Analysis of Reinforced Unpaved Roads by Modified Structural Number Method
Abstract By inclusion of geosynthetics in cross-sections of pavements, either traffic capacity of pavements can be enhanced for the same structural section or structural section can be reduced for the same traffic capacity. In the past research works, two methods were mainly adopted for the analysis...
Ausführliche Beschreibung
Autor*in: |
Singh, Avinash Kumar [verfasserIn] |
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E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2017 |
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Anmerkung: |
© Springer International Publishing AG, part of Springer Nature 2017 |
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Übergeordnetes Werk: |
Enthalten in: International journal of geosynthetics and ground engineering - [Cham] : Springer International Publishing, 2015, 4(2017), 1 vom: 18. Dez. |
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Übergeordnetes Werk: |
volume:4 ; year:2017 ; number:1 ; day:18 ; month:12 |
Links: |
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DOI / URN: |
10.1007/s40891-017-0115-5 |
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Katalog-ID: |
SPR037973754 |
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520 | |a Abstract By inclusion of geosynthetics in cross-sections of pavements, either traffic capacity of pavements can be enhanced for the same structural section or structural section can be reduced for the same traffic capacity. In the past research works, two methods were mainly adopted for the analysis of reinforced pavements, one is by conducting static plate load tests over unpaved roads on the basis of subgrade bearing capacity failure and secondly by applying dynamic or cyclic loads on the paved sections and determining the traffic benefit on the basis of rutting failure criterion. In the present research study, an effort has been made to evaluate the performance of road sections reinforced with geosynthetics using AASHTO 1993 Method. The structural number (SN), which denotes the strength of the pavements, has been modified using load equivalency factor concept. The unpaved sections were reinforced in a single layer at interface and within the subgrade layer at different positions. The maximum load intensities at a settlement of 12.5 mm in unreinforced and reinforced sections were converted into Equivalent Single Axle Load at the surface of pavement using Botswana guidelines on the basis of axle load surveys (2000). Using Load equivalency factor concept, new traffic capacities were determined followed by calculation of modified SNs for reinforced sections using AASHTO 1993 Design equation. The structural contribution of geosynthetics has been quantified in the terms of Base Course Reduction (BCR) values, which is defined as the percentage reduction in structural section of base course layer for reinforced sections as compared to unreinforced section. Laboratory tests were conducted to determine the grain size distribution and other important physical parameters of soil used for preparing subgrade. It is clear from the results that there is a considerable increase in load carrying capacity of unpaved sections due to reinforcements achieving an average BCR value of about 44%, with bi-axial geogrid (BX2020) and about 30% with CE121 geonet when reinforced within top one-third of subgrade layer. | ||
650 | 4 | |a Unpaved roads |7 (dpeaa)DE-He213 | |
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700 | 1 | |a Mittal, Satyendra |4 aut | |
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10.1007/s40891-017-0115-5 doi (DE-627)SPR037973754 (SPR)s40891-017-0115-5-e DE-627 ger DE-627 rakwb eng Singh, Avinash Kumar verfasserin aut Analysis of Reinforced Unpaved Roads by Modified Structural Number Method 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer International Publishing AG, part of Springer Nature 2017 Abstract By inclusion of geosynthetics in cross-sections of pavements, either traffic capacity of pavements can be enhanced for the same structural section or structural section can be reduced for the same traffic capacity. In the past research works, two methods were mainly adopted for the analysis of reinforced pavements, one is by conducting static plate load tests over unpaved roads on the basis of subgrade bearing capacity failure and secondly by applying dynamic or cyclic loads on the paved sections and determining the traffic benefit on the basis of rutting failure criterion. In the present research study, an effort has been made to evaluate the performance of road sections reinforced with geosynthetics using AASHTO 1993 Method. The structural number (SN), which denotes the strength of the pavements, has been modified using load equivalency factor concept. The unpaved sections were reinforced in a single layer at interface and within the subgrade layer at different positions. The maximum load intensities at a settlement of 12.5 mm in unreinforced and reinforced sections were converted into Equivalent Single Axle Load at the surface of pavement using Botswana guidelines on the basis of axle load surveys (2000). Using Load equivalency factor concept, new traffic capacities were determined followed by calculation of modified SNs for reinforced sections using AASHTO 1993 Design equation. The structural contribution of geosynthetics has been quantified in the terms of Base Course Reduction (BCR) values, which is defined as the percentage reduction in structural section of base course layer for reinforced sections as compared to unreinforced section. Laboratory tests were conducted to determine the grain size distribution and other important physical parameters of soil used for preparing subgrade. It is clear from the results that there is a considerable increase in load carrying capacity of unpaved sections due to reinforcements achieving an average BCR value of about 44%, with bi-axial geogrid (BX2020) and about 30% with CE121 geonet when reinforced within top one-third of subgrade layer. Unpaved roads (dpeaa)DE-He213 Geosynthetics (dpeaa)DE-He213 Modified Structural Number (SN (dpeaa)DE-He213 ) (dpeaa)DE-He213 AASHTO (dpeaa)DE-He213 Mittal, Satyendra aut Enthalten in International journal of geosynthetics and ground engineering [Cham] : Springer International Publishing, 2015 4(2017), 1 vom: 18. Dez. (DE-627)81591427X (DE-600)2806626-1 2199-9279 nnns volume:4 year:2017 number:1 day:18 month:12 https://dx.doi.org/10.1007/s40891-017-0115-5 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 4 2017 1 18 12 |
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10.1007/s40891-017-0115-5 doi (DE-627)SPR037973754 (SPR)s40891-017-0115-5-e DE-627 ger DE-627 rakwb eng Singh, Avinash Kumar verfasserin aut Analysis of Reinforced Unpaved Roads by Modified Structural Number Method 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer International Publishing AG, part of Springer Nature 2017 Abstract By inclusion of geosynthetics in cross-sections of pavements, either traffic capacity of pavements can be enhanced for the same structural section or structural section can be reduced for the same traffic capacity. In the past research works, two methods were mainly adopted for the analysis of reinforced pavements, one is by conducting static plate load tests over unpaved roads on the basis of subgrade bearing capacity failure and secondly by applying dynamic or cyclic loads on the paved sections and determining the traffic benefit on the basis of rutting failure criterion. In the present research study, an effort has been made to evaluate the performance of road sections reinforced with geosynthetics using AASHTO 1993 Method. The structural number (SN), which denotes the strength of the pavements, has been modified using load equivalency factor concept. The unpaved sections were reinforced in a single layer at interface and within the subgrade layer at different positions. The maximum load intensities at a settlement of 12.5 mm in unreinforced and reinforced sections were converted into Equivalent Single Axle Load at the surface of pavement using Botswana guidelines on the basis of axle load surveys (2000). Using Load equivalency factor concept, new traffic capacities were determined followed by calculation of modified SNs for reinforced sections using AASHTO 1993 Design equation. The structural contribution of geosynthetics has been quantified in the terms of Base Course Reduction (BCR) values, which is defined as the percentage reduction in structural section of base course layer for reinforced sections as compared to unreinforced section. Laboratory tests were conducted to determine the grain size distribution and other important physical parameters of soil used for preparing subgrade. It is clear from the results that there is a considerable increase in load carrying capacity of unpaved sections due to reinforcements achieving an average BCR value of about 44%, with bi-axial geogrid (BX2020) and about 30% with CE121 geonet when reinforced within top one-third of subgrade layer. Unpaved roads (dpeaa)DE-He213 Geosynthetics (dpeaa)DE-He213 Modified Structural Number (SN (dpeaa)DE-He213 ) (dpeaa)DE-He213 AASHTO (dpeaa)DE-He213 Mittal, Satyendra aut Enthalten in International journal of geosynthetics and ground engineering [Cham] : Springer International Publishing, 2015 4(2017), 1 vom: 18. Dez. (DE-627)81591427X (DE-600)2806626-1 2199-9279 nnns volume:4 year:2017 number:1 day:18 month:12 https://dx.doi.org/10.1007/s40891-017-0115-5 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 4 2017 1 18 12 |
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10.1007/s40891-017-0115-5 doi (DE-627)SPR037973754 (SPR)s40891-017-0115-5-e DE-627 ger DE-627 rakwb eng Singh, Avinash Kumar verfasserin aut Analysis of Reinforced Unpaved Roads by Modified Structural Number Method 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer International Publishing AG, part of Springer Nature 2017 Abstract By inclusion of geosynthetics in cross-sections of pavements, either traffic capacity of pavements can be enhanced for the same structural section or structural section can be reduced for the same traffic capacity. In the past research works, two methods were mainly adopted for the analysis of reinforced pavements, one is by conducting static plate load tests over unpaved roads on the basis of subgrade bearing capacity failure and secondly by applying dynamic or cyclic loads on the paved sections and determining the traffic benefit on the basis of rutting failure criterion. In the present research study, an effort has been made to evaluate the performance of road sections reinforced with geosynthetics using AASHTO 1993 Method. The structural number (SN), which denotes the strength of the pavements, has been modified using load equivalency factor concept. The unpaved sections were reinforced in a single layer at interface and within the subgrade layer at different positions. The maximum load intensities at a settlement of 12.5 mm in unreinforced and reinforced sections were converted into Equivalent Single Axle Load at the surface of pavement using Botswana guidelines on the basis of axle load surveys (2000). Using Load equivalency factor concept, new traffic capacities were determined followed by calculation of modified SNs for reinforced sections using AASHTO 1993 Design equation. The structural contribution of geosynthetics has been quantified in the terms of Base Course Reduction (BCR) values, which is defined as the percentage reduction in structural section of base course layer for reinforced sections as compared to unreinforced section. Laboratory tests were conducted to determine the grain size distribution and other important physical parameters of soil used for preparing subgrade. It is clear from the results that there is a considerable increase in load carrying capacity of unpaved sections due to reinforcements achieving an average BCR value of about 44%, with bi-axial geogrid (BX2020) and about 30% with CE121 geonet when reinforced within top one-third of subgrade layer. Unpaved roads (dpeaa)DE-He213 Geosynthetics (dpeaa)DE-He213 Modified Structural Number (SN (dpeaa)DE-He213 ) (dpeaa)DE-He213 AASHTO (dpeaa)DE-He213 Mittal, Satyendra aut Enthalten in International journal of geosynthetics and ground engineering [Cham] : Springer International Publishing, 2015 4(2017), 1 vom: 18. Dez. (DE-627)81591427X (DE-600)2806626-1 2199-9279 nnns volume:4 year:2017 number:1 day:18 month:12 https://dx.doi.org/10.1007/s40891-017-0115-5 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 4 2017 1 18 12 |
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10.1007/s40891-017-0115-5 doi (DE-627)SPR037973754 (SPR)s40891-017-0115-5-e DE-627 ger DE-627 rakwb eng Singh, Avinash Kumar verfasserin aut Analysis of Reinforced Unpaved Roads by Modified Structural Number Method 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer International Publishing AG, part of Springer Nature 2017 Abstract By inclusion of geosynthetics in cross-sections of pavements, either traffic capacity of pavements can be enhanced for the same structural section or structural section can be reduced for the same traffic capacity. In the past research works, two methods were mainly adopted for the analysis of reinforced pavements, one is by conducting static plate load tests over unpaved roads on the basis of subgrade bearing capacity failure and secondly by applying dynamic or cyclic loads on the paved sections and determining the traffic benefit on the basis of rutting failure criterion. In the present research study, an effort has been made to evaluate the performance of road sections reinforced with geosynthetics using AASHTO 1993 Method. The structural number (SN), which denotes the strength of the pavements, has been modified using load equivalency factor concept. The unpaved sections were reinforced in a single layer at interface and within the subgrade layer at different positions. The maximum load intensities at a settlement of 12.5 mm in unreinforced and reinforced sections were converted into Equivalent Single Axle Load at the surface of pavement using Botswana guidelines on the basis of axle load surveys (2000). Using Load equivalency factor concept, new traffic capacities were determined followed by calculation of modified SNs for reinforced sections using AASHTO 1993 Design equation. The structural contribution of geosynthetics has been quantified in the terms of Base Course Reduction (BCR) values, which is defined as the percentage reduction in structural section of base course layer for reinforced sections as compared to unreinforced section. Laboratory tests were conducted to determine the grain size distribution and other important physical parameters of soil used for preparing subgrade. It is clear from the results that there is a considerable increase in load carrying capacity of unpaved sections due to reinforcements achieving an average BCR value of about 44%, with bi-axial geogrid (BX2020) and about 30% with CE121 geonet when reinforced within top one-third of subgrade layer. Unpaved roads (dpeaa)DE-He213 Geosynthetics (dpeaa)DE-He213 Modified Structural Number (SN (dpeaa)DE-He213 ) (dpeaa)DE-He213 AASHTO (dpeaa)DE-He213 Mittal, Satyendra aut Enthalten in International journal of geosynthetics and ground engineering [Cham] : Springer International Publishing, 2015 4(2017), 1 vom: 18. Dez. (DE-627)81591427X (DE-600)2806626-1 2199-9279 nnns volume:4 year:2017 number:1 day:18 month:12 https://dx.doi.org/10.1007/s40891-017-0115-5 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 4 2017 1 18 12 |
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10.1007/s40891-017-0115-5 doi (DE-627)SPR037973754 (SPR)s40891-017-0115-5-e DE-627 ger DE-627 rakwb eng Singh, Avinash Kumar verfasserin aut Analysis of Reinforced Unpaved Roads by Modified Structural Number Method 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer International Publishing AG, part of Springer Nature 2017 Abstract By inclusion of geosynthetics in cross-sections of pavements, either traffic capacity of pavements can be enhanced for the same structural section or structural section can be reduced for the same traffic capacity. In the past research works, two methods were mainly adopted for the analysis of reinforced pavements, one is by conducting static plate load tests over unpaved roads on the basis of subgrade bearing capacity failure and secondly by applying dynamic or cyclic loads on the paved sections and determining the traffic benefit on the basis of rutting failure criterion. In the present research study, an effort has been made to evaluate the performance of road sections reinforced with geosynthetics using AASHTO 1993 Method. The structural number (SN), which denotes the strength of the pavements, has been modified using load equivalency factor concept. The unpaved sections were reinforced in a single layer at interface and within the subgrade layer at different positions. The maximum load intensities at a settlement of 12.5 mm in unreinforced and reinforced sections were converted into Equivalent Single Axle Load at the surface of pavement using Botswana guidelines on the basis of axle load surveys (2000). Using Load equivalency factor concept, new traffic capacities were determined followed by calculation of modified SNs for reinforced sections using AASHTO 1993 Design equation. The structural contribution of geosynthetics has been quantified in the terms of Base Course Reduction (BCR) values, which is defined as the percentage reduction in structural section of base course layer for reinforced sections as compared to unreinforced section. Laboratory tests were conducted to determine the grain size distribution and other important physical parameters of soil used for preparing subgrade. It is clear from the results that there is a considerable increase in load carrying capacity of unpaved sections due to reinforcements achieving an average BCR value of about 44%, with bi-axial geogrid (BX2020) and about 30% with CE121 geonet when reinforced within top one-third of subgrade layer. Unpaved roads (dpeaa)DE-He213 Geosynthetics (dpeaa)DE-He213 Modified Structural Number (SN (dpeaa)DE-He213 ) (dpeaa)DE-He213 AASHTO (dpeaa)DE-He213 Mittal, Satyendra aut Enthalten in International journal of geosynthetics and ground engineering [Cham] : Springer International Publishing, 2015 4(2017), 1 vom: 18. Dez. (DE-627)81591427X (DE-600)2806626-1 2199-9279 nnns volume:4 year:2017 number:1 day:18 month:12 https://dx.doi.org/10.1007/s40891-017-0115-5 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 4 2017 1 18 12 |
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Enthalten in International journal of geosynthetics and ground engineering 4(2017), 1 vom: 18. Dez. volume:4 year:2017 number:1 day:18 month:12 |
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Enthalten in International journal of geosynthetics and ground engineering 4(2017), 1 vom: 18. Dez. volume:4 year:2017 number:1 day:18 month:12 |
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International journal of geosynthetics and ground engineering |
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Singh, Avinash Kumar @@aut@@ Mittal, Satyendra @@aut@@ |
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In the past research works, two methods were mainly adopted for the analysis of reinforced pavements, one is by conducting static plate load tests over unpaved roads on the basis of subgrade bearing capacity failure and secondly by applying dynamic or cyclic loads on the paved sections and determining the traffic benefit on the basis of rutting failure criterion. In the present research study, an effort has been made to evaluate the performance of road sections reinforced with geosynthetics using AASHTO 1993 Method. The structural number (SN), which denotes the strength of the pavements, has been modified using load equivalency factor concept. The unpaved sections were reinforced in a single layer at interface and within the subgrade layer at different positions. The maximum load intensities at a settlement of 12.5 mm in unreinforced and reinforced sections were converted into Equivalent Single Axle Load at the surface of pavement using Botswana guidelines on the basis of axle load surveys (2000). Using Load equivalency factor concept, new traffic capacities were determined followed by calculation of modified SNs for reinforced sections using AASHTO 1993 Design equation. The structural contribution of geosynthetics has been quantified in the terms of Base Course Reduction (BCR) values, which is defined as the percentage reduction in structural section of base course layer for reinforced sections as compared to unreinforced section. Laboratory tests were conducted to determine the grain size distribution and other important physical parameters of soil used for preparing subgrade. 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Singh, Avinash Kumar |
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Singh, Avinash Kumar misc Unpaved roads misc Geosynthetics misc Modified Structural Number (SN misc ) misc AASHTO Analysis of Reinforced Unpaved Roads by Modified Structural Number Method |
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Analysis of Reinforced Unpaved Roads by Modified Structural Number Method Unpaved roads (dpeaa)DE-He213 Geosynthetics (dpeaa)DE-He213 Modified Structural Number (SN (dpeaa)DE-He213 ) (dpeaa)DE-He213 AASHTO (dpeaa)DE-He213 |
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Analysis of Reinforced Unpaved Roads by Modified Structural Number Method |
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Analysis of Reinforced Unpaved Roads by Modified Structural Number Method |
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analysis of reinforced unpaved roads by modified structural number method |
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Analysis of Reinforced Unpaved Roads by Modified Structural Number Method |
abstract |
Abstract By inclusion of geosynthetics in cross-sections of pavements, either traffic capacity of pavements can be enhanced for the same structural section or structural section can be reduced for the same traffic capacity. In the past research works, two methods were mainly adopted for the analysis of reinforced pavements, one is by conducting static plate load tests over unpaved roads on the basis of subgrade bearing capacity failure and secondly by applying dynamic or cyclic loads on the paved sections and determining the traffic benefit on the basis of rutting failure criterion. In the present research study, an effort has been made to evaluate the performance of road sections reinforced with geosynthetics using AASHTO 1993 Method. The structural number (SN), which denotes the strength of the pavements, has been modified using load equivalency factor concept. The unpaved sections were reinforced in a single layer at interface and within the subgrade layer at different positions. The maximum load intensities at a settlement of 12.5 mm in unreinforced and reinforced sections were converted into Equivalent Single Axle Load at the surface of pavement using Botswana guidelines on the basis of axle load surveys (2000). Using Load equivalency factor concept, new traffic capacities were determined followed by calculation of modified SNs for reinforced sections using AASHTO 1993 Design equation. The structural contribution of geosynthetics has been quantified in the terms of Base Course Reduction (BCR) values, which is defined as the percentage reduction in structural section of base course layer for reinforced sections as compared to unreinforced section. Laboratory tests were conducted to determine the grain size distribution and other important physical parameters of soil used for preparing subgrade. It is clear from the results that there is a considerable increase in load carrying capacity of unpaved sections due to reinforcements achieving an average BCR value of about 44%, with bi-axial geogrid (BX2020) and about 30% with CE121 geonet when reinforced within top one-third of subgrade layer. © Springer International Publishing AG, part of Springer Nature 2017 |
abstractGer |
Abstract By inclusion of geosynthetics in cross-sections of pavements, either traffic capacity of pavements can be enhanced for the same structural section or structural section can be reduced for the same traffic capacity. In the past research works, two methods were mainly adopted for the analysis of reinforced pavements, one is by conducting static plate load tests over unpaved roads on the basis of subgrade bearing capacity failure and secondly by applying dynamic or cyclic loads on the paved sections and determining the traffic benefit on the basis of rutting failure criterion. In the present research study, an effort has been made to evaluate the performance of road sections reinforced with geosynthetics using AASHTO 1993 Method. The structural number (SN), which denotes the strength of the pavements, has been modified using load equivalency factor concept. The unpaved sections were reinforced in a single layer at interface and within the subgrade layer at different positions. The maximum load intensities at a settlement of 12.5 mm in unreinforced and reinforced sections were converted into Equivalent Single Axle Load at the surface of pavement using Botswana guidelines on the basis of axle load surveys (2000). Using Load equivalency factor concept, new traffic capacities were determined followed by calculation of modified SNs for reinforced sections using AASHTO 1993 Design equation. The structural contribution of geosynthetics has been quantified in the terms of Base Course Reduction (BCR) values, which is defined as the percentage reduction in structural section of base course layer for reinforced sections as compared to unreinforced section. Laboratory tests were conducted to determine the grain size distribution and other important physical parameters of soil used for preparing subgrade. It is clear from the results that there is a considerable increase in load carrying capacity of unpaved sections due to reinforcements achieving an average BCR value of about 44%, with bi-axial geogrid (BX2020) and about 30% with CE121 geonet when reinforced within top one-third of subgrade layer. © Springer International Publishing AG, part of Springer Nature 2017 |
abstract_unstemmed |
Abstract By inclusion of geosynthetics in cross-sections of pavements, either traffic capacity of pavements can be enhanced for the same structural section or structural section can be reduced for the same traffic capacity. In the past research works, two methods were mainly adopted for the analysis of reinforced pavements, one is by conducting static plate load tests over unpaved roads on the basis of subgrade bearing capacity failure and secondly by applying dynamic or cyclic loads on the paved sections and determining the traffic benefit on the basis of rutting failure criterion. In the present research study, an effort has been made to evaluate the performance of road sections reinforced with geosynthetics using AASHTO 1993 Method. The structural number (SN), which denotes the strength of the pavements, has been modified using load equivalency factor concept. The unpaved sections were reinforced in a single layer at interface and within the subgrade layer at different positions. The maximum load intensities at a settlement of 12.5 mm in unreinforced and reinforced sections were converted into Equivalent Single Axle Load at the surface of pavement using Botswana guidelines on the basis of axle load surveys (2000). Using Load equivalency factor concept, new traffic capacities were determined followed by calculation of modified SNs for reinforced sections using AASHTO 1993 Design equation. The structural contribution of geosynthetics has been quantified in the terms of Base Course Reduction (BCR) values, which is defined as the percentage reduction in structural section of base course layer for reinforced sections as compared to unreinforced section. Laboratory tests were conducted to determine the grain size distribution and other important physical parameters of soil used for preparing subgrade. It is clear from the results that there is a considerable increase in load carrying capacity of unpaved sections due to reinforcements achieving an average BCR value of about 44%, with bi-axial geogrid (BX2020) and about 30% with CE121 geonet when reinforced within top one-third of subgrade layer. © Springer International Publishing AG, part of Springer Nature 2017 |
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title_short |
Analysis of Reinforced Unpaved Roads by Modified Structural Number Method |
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https://dx.doi.org/10.1007/s40891-017-0115-5 |
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Mittal, Satyendra |
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up_date |
2024-07-03T15:29:26.583Z |
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|
score |
7.401078 |