Experimental measurement of dynamic load parameters for pier pile caps of high-speed railway bridges
Train-induced dynamic responses and loads in bridge pier systems are not well understood. In this study, five different piers from two separate railway bridges were investigated experimentally. The dynamic responses and loads at the bridge beam ends, pier tops, and pile caps were measured by conside...
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| Autor*in: |
Nie, Rusong [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2017 |
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| Rechteinformationen: |
Nutzungsrecht: © IMechE 2015 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Proceedings of the Institution of Mechanical Engineers / F - London : Inst., 1989, 231(2017), 2, Seite 162-174 |
|---|---|
| Übergeordnetes Werk: |
volume:231 ; year:2017 ; number:2 ; pages:162-174 |
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| DOI / URN: |
10.1177/0954409715622965 |
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OLC1991173393 |
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| 520 | |a Train-induced dynamic responses and loads in bridge pier systems are not well understood. In this study, five different piers from two separate railway bridges were investigated experimentally. The dynamic responses and loads at the bridge beam ends, pier tops, and pile caps were measured by considering various train speeds. The frequencies of the dynamic loads on pile caps were also analyzed. The results show that the induced dynamic response decreases significantly with the descending pier height. The train-induced vertical dynamic displacements are related to the axle loads and the stiffness of the pile foundation and foundation soils. The accelerations at pier tops and pile caps are very similar but noticeably less than those at beam ends. The train-induced vertical dynamic loads on pile caps increase with the total span length. The measured change of dynamic forces (ΔQ) is approximately 20 − 30% of the measured peak loads (Q). In addition, the results show that the frequency (f) varies linearly with the train speed rather than with the bridge span length. | ||
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10.1177/0954409715622965 doi PQ20170301 (DE-627)OLC1991173393 (DE-599)GBVOLC1991173393 (PRQ)c1965-46baab26a1514a3805387fb7216e7fd9d1cc4b6ab4be696cdc68a0cfe7087d620 (KEY)0178348320170000231000200162experimentalmeasurementofdynamicloadparametersforp DE-627 ger DE-627 rakwb eng 380 ZDB Nie, Rusong verfasserin aut Experimental measurement of dynamic load parameters for pier pile caps of high-speed railway bridges 2017 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Train-induced dynamic responses and loads in bridge pier systems are not well understood. In this study, five different piers from two separate railway bridges were investigated experimentally. The dynamic responses and loads at the bridge beam ends, pier tops, and pile caps were measured by considering various train speeds. The frequencies of the dynamic loads on pile caps were also analyzed. The results show that the induced dynamic response decreases significantly with the descending pier height. The train-induced vertical dynamic displacements are related to the axle loads and the stiffness of the pile foundation and foundation soils. The accelerations at pier tops and pile caps are very similar but noticeably less than those at beam ends. The train-induced vertical dynamic loads on pile caps increase with the total span length. The measured change of dynamic forces (ΔQ) is approximately 20 − 30% of the measured peak loads (Q). In addition, the results show that the frequency (f) varies linearly with the train speed rather than with the bridge span length. Nutzungsrecht: © IMechE 2015 Repair & maintenance Synthetic products Chen, Y Frank oth Leng, Wuming oth Yang, Qi oth Enthalten in Proceedings of the Institution of Mechanical Engineers / F London : Inst., 1989 231(2017), 2, Seite 162-174 (DE-627)130823430 (DE-600)1015041-9 (DE-576)023064390 0954-4097 nnns volume:231 year:2017 number:2 pages:162-174 http://dx.doi.org/10.1177/0954409715622965 Volltext http://journals.sagepub.com/doi/full/10.1177/0954409715622965 http://search.proquest.com/docview/1858571505 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_70 GBV_ILN_2006 GBV_ILN_4046 AR 231 2017 2 162-174 |
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10.1177/0954409715622965 doi PQ20170301 (DE-627)OLC1991173393 (DE-599)GBVOLC1991173393 (PRQ)c1965-46baab26a1514a3805387fb7216e7fd9d1cc4b6ab4be696cdc68a0cfe7087d620 (KEY)0178348320170000231000200162experimentalmeasurementofdynamicloadparametersforp DE-627 ger DE-627 rakwb eng 380 ZDB Nie, Rusong verfasserin aut Experimental measurement of dynamic load parameters for pier pile caps of high-speed railway bridges 2017 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Train-induced dynamic responses and loads in bridge pier systems are not well understood. In this study, five different piers from two separate railway bridges were investigated experimentally. The dynamic responses and loads at the bridge beam ends, pier tops, and pile caps were measured by considering various train speeds. The frequencies of the dynamic loads on pile caps were also analyzed. The results show that the induced dynamic response decreases significantly with the descending pier height. The train-induced vertical dynamic displacements are related to the axle loads and the stiffness of the pile foundation and foundation soils. The accelerations at pier tops and pile caps are very similar but noticeably less than those at beam ends. The train-induced vertical dynamic loads on pile caps increase with the total span length. The measured change of dynamic forces (ΔQ) is approximately 20 − 30% of the measured peak loads (Q). In addition, the results show that the frequency (f) varies linearly with the train speed rather than with the bridge span length. Nutzungsrecht: © IMechE 2015 Repair & maintenance Synthetic products Chen, Y Frank oth Leng, Wuming oth Yang, Qi oth Enthalten in Proceedings of the Institution of Mechanical Engineers / F London : Inst., 1989 231(2017), 2, Seite 162-174 (DE-627)130823430 (DE-600)1015041-9 (DE-576)023064390 0954-4097 nnns volume:231 year:2017 number:2 pages:162-174 http://dx.doi.org/10.1177/0954409715622965 Volltext http://journals.sagepub.com/doi/full/10.1177/0954409715622965 http://search.proquest.com/docview/1858571505 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_70 GBV_ILN_2006 GBV_ILN_4046 AR 231 2017 2 162-174 |
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10.1177/0954409715622965 doi PQ20170301 (DE-627)OLC1991173393 (DE-599)GBVOLC1991173393 (PRQ)c1965-46baab26a1514a3805387fb7216e7fd9d1cc4b6ab4be696cdc68a0cfe7087d620 (KEY)0178348320170000231000200162experimentalmeasurementofdynamicloadparametersforp DE-627 ger DE-627 rakwb eng 380 ZDB Nie, Rusong verfasserin aut Experimental measurement of dynamic load parameters for pier pile caps of high-speed railway bridges 2017 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Train-induced dynamic responses and loads in bridge pier systems are not well understood. In this study, five different piers from two separate railway bridges were investigated experimentally. The dynamic responses and loads at the bridge beam ends, pier tops, and pile caps were measured by considering various train speeds. The frequencies of the dynamic loads on pile caps were also analyzed. The results show that the induced dynamic response decreases significantly with the descending pier height. The train-induced vertical dynamic displacements are related to the axle loads and the stiffness of the pile foundation and foundation soils. The accelerations at pier tops and pile caps are very similar but noticeably less than those at beam ends. The train-induced vertical dynamic loads on pile caps increase with the total span length. The measured change of dynamic forces (ΔQ) is approximately 20 − 30% of the measured peak loads (Q). In addition, the results show that the frequency (f) varies linearly with the train speed rather than with the bridge span length. Nutzungsrecht: © IMechE 2015 Repair & maintenance Synthetic products Chen, Y Frank oth Leng, Wuming oth Yang, Qi oth Enthalten in Proceedings of the Institution of Mechanical Engineers / F London : Inst., 1989 231(2017), 2, Seite 162-174 (DE-627)130823430 (DE-600)1015041-9 (DE-576)023064390 0954-4097 nnns volume:231 year:2017 number:2 pages:162-174 http://dx.doi.org/10.1177/0954409715622965 Volltext http://journals.sagepub.com/doi/full/10.1177/0954409715622965 http://search.proquest.com/docview/1858571505 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_70 GBV_ILN_2006 GBV_ILN_4046 AR 231 2017 2 162-174 |
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Experimental measurement of dynamic load parameters for pier pile caps of high-speed railway bridges |
| abstract |
Train-induced dynamic responses and loads in bridge pier systems are not well understood. In this study, five different piers from two separate railway bridges were investigated experimentally. The dynamic responses and loads at the bridge beam ends, pier tops, and pile caps were measured by considering various train speeds. The frequencies of the dynamic loads on pile caps were also analyzed. The results show that the induced dynamic response decreases significantly with the descending pier height. The train-induced vertical dynamic displacements are related to the axle loads and the stiffness of the pile foundation and foundation soils. The accelerations at pier tops and pile caps are very similar but noticeably less than those at beam ends. The train-induced vertical dynamic loads on pile caps increase with the total span length. The measured change of dynamic forces (ΔQ) is approximately 20 − 30% of the measured peak loads (Q). In addition, the results show that the frequency (f) varies linearly with the train speed rather than with the bridge span length. |
| abstractGer |
Train-induced dynamic responses and loads in bridge pier systems are not well understood. In this study, five different piers from two separate railway bridges were investigated experimentally. The dynamic responses and loads at the bridge beam ends, pier tops, and pile caps were measured by considering various train speeds. The frequencies of the dynamic loads on pile caps were also analyzed. The results show that the induced dynamic response decreases significantly with the descending pier height. The train-induced vertical dynamic displacements are related to the axle loads and the stiffness of the pile foundation and foundation soils. The accelerations at pier tops and pile caps are very similar but noticeably less than those at beam ends. The train-induced vertical dynamic loads on pile caps increase with the total span length. The measured change of dynamic forces (ΔQ) is approximately 20 − 30% of the measured peak loads (Q). In addition, the results show that the frequency (f) varies linearly with the train speed rather than with the bridge span length. |
| abstract_unstemmed |
Train-induced dynamic responses and loads in bridge pier systems are not well understood. In this study, five different piers from two separate railway bridges were investigated experimentally. The dynamic responses and loads at the bridge beam ends, pier tops, and pile caps were measured by considering various train speeds. The frequencies of the dynamic loads on pile caps were also analyzed. The results show that the induced dynamic response decreases significantly with the descending pier height. The train-induced vertical dynamic displacements are related to the axle loads and the stiffness of the pile foundation and foundation soils. The accelerations at pier tops and pile caps are very similar but noticeably less than those at beam ends. The train-induced vertical dynamic loads on pile caps increase with the total span length. The measured change of dynamic forces (ΔQ) is approximately 20 − 30% of the measured peak loads (Q). In addition, the results show that the frequency (f) varies linearly with the train speed rather than with the bridge span length. |
| collection_details |
GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_70 GBV_ILN_2006 GBV_ILN_4046 |
| container_issue |
2 |
| title_short |
Experimental measurement of dynamic load parameters for pier pile caps of high-speed railway bridges |
| url |
http://dx.doi.org/10.1177/0954409715622965 http://journals.sagepub.com/doi/full/10.1177/0954409715622965 http://search.proquest.com/docview/1858571505 |
| remote_bool |
false |
| author2 |
Chen, Y Frank Leng, Wuming Yang, Qi |
| author2Str |
Chen, Y Frank Leng, Wuming Yang, Qi |
| ppnlink |
130823430 |
| mediatype_str_mv |
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| isOA_txt |
false |
| hochschulschrift_bool |
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| author2_role |
oth oth oth |
| doi_str |
10.1177/0954409715622965 |
| up_date |
2024-07-04T02:39:42.348Z |
| _version_ |
1803614454913433600 |
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| score |
7.400301 |