Using random heterogeneous DEM model to simulate the SCB fracture behavior of asphalt concrete

A heterogeneous fracture simulation approach based on algorithmic technique and discrete element method (DEM) was developed in this paper for simulating the fracture behavior of asphalt concrete under semi-circular bending (SCB) test. Asphalt concretes were modeled as heterogeneous materials with ra...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Xue, Bin [verfasserIn] Pei, Jianzhong [verfasserIn] Zhou, Bochao [verfasserIn] Zhang, Jiupeng [verfasserIn] Li, Rui [verfasserIn] Guo, Fucheng [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2019

Schlagwörter:	Asphalt concrete Fracture Discrete element method Algorithmic technique Heterogeneous

Übergeordnetes Werk:	Enthalten in: Construction and building materials - Amsterdam [u.a.] : Elsevier Science, 1987, 236
Übergeordnetes Werk:	volume:236

DOI / URN:	10.1016/j.conbuildmat.2019.117580

Katalog-ID:	ELV003573214

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245	1	0	\|a Using random heterogeneous DEM model to simulate the SCB fracture behavior of asphalt concrete
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520			\|a A heterogeneous fracture simulation approach based on algorithmic technique and discrete element method (DEM) was developed in this paper for simulating the fracture behavior of asphalt concrete under semi-circular bending (SCB) test. Asphalt concretes were modeled as heterogeneous materials with random aggregate structures and asphalt mastic by a novel algorithm. A bilinear cohesive fracture model was used as the constitutive law for modeling crack initiation and propagation. The simulation approach was verified by experimental results of asphalt concretes with different nominal maximum aggregate sizes (NMAS) at different temperatures. Moreover, the contact force and crack evolution were analyzed to study the failure mechanism of SCB specimen. Lastly, a parametric analysis was performed to investigate the effect of aggregate strength on the fracture behavior of asphalt concrete. Results showed that simulation results agreed well with the experimental results at different test conditions. NMAS, temperature and aggregate strength had significant influences on the hardening and softening behavior as well as crack propagation paths. The fracture failure mechanism of SCB specimen was mainly attributed to the tension force. The random heterogeneous fracture simulation approach has significant potential to aid in understanding the fracture mechanism of asphalt concrete, and reduce the required number of expensive and time-consuming experimental tests.
650		4	\|a Asphalt concrete
650		4	\|a Fracture
650		4	\|a Discrete element method
650		4	\|a Algorithmic technique
650		4	\|a Heterogeneous
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700	1		\|a Li, Rui \|e verfasserin \|0 (orcid)0000-0002-9736-6468 \|4 aut
700	1		\|a Guo, Fucheng \|e verfasserin \|4 aut
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author_variant	b x bx j p jp b z bz j z jz r l rl f g fg
matchkey_str	xuebinpeijianzhongzhoubochaozhangjiupeng:2019----:snrnohtrgnosemdloiuaehsbrcueea
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publishDate	2019
allfields	10.1016/j.conbuildmat.2019.117580 doi (DE-627)ELV003573214 (ELSEVIER)S0950-0618(19)33032-6 DE-627 ger DE-627 rda eng 690 DE-600 56.45 bkl Xue, Bin verfasserin aut Using random heterogeneous DEM model to simulate the SCB fracture behavior of asphalt concrete 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier A heterogeneous fracture simulation approach based on algorithmic technique and discrete element method (DEM) was developed in this paper for simulating the fracture behavior of asphalt concrete under semi-circular bending (SCB) test. Asphalt concretes were modeled as heterogeneous materials with random aggregate structures and asphalt mastic by a novel algorithm. A bilinear cohesive fracture model was used as the constitutive law for modeling crack initiation and propagation. The simulation approach was verified by experimental results of asphalt concretes with different nominal maximum aggregate sizes (NMAS) at different temperatures. Moreover, the contact force and crack evolution were analyzed to study the failure mechanism of SCB specimen. Lastly, a parametric analysis was performed to investigate the effect of aggregate strength on the fracture behavior of asphalt concrete. Results showed that simulation results agreed well with the experimental results at different test conditions. NMAS, temperature and aggregate strength had significant influences on the hardening and softening behavior as well as crack propagation paths. The fracture failure mechanism of SCB specimen was mainly attributed to the tension force. The random heterogeneous fracture simulation approach has significant potential to aid in understanding the fracture mechanism of asphalt concrete, and reduce the required number of expensive and time-consuming experimental tests. Asphalt concrete Fracture Discrete element method Algorithmic technique Heterogeneous Pei, Jianzhong verfasserin (orcid)0000-0002-1994-5819 aut Zhou, Bochao verfasserin aut Zhang, Jiupeng verfasserin (orcid)0000-0002-9627-4836 aut Li, Rui verfasserin (orcid)0000-0002-9736-6468 aut Guo, Fucheng verfasserin aut Enthalten in Construction and building materials Amsterdam [u.a.] : Elsevier Science, 1987 236 Online-Ressource (DE-627)320423115 (DE-600)2002804-0 (DE-576)259271187 nnns volume:236 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 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_4338 GBV_ILN_4393 56.45 Baustoffkunde AR 236
spelling	10.1016/j.conbuildmat.2019.117580 doi (DE-627)ELV003573214 (ELSEVIER)S0950-0618(19)33032-6 DE-627 ger DE-627 rda eng 690 DE-600 56.45 bkl Xue, Bin verfasserin aut Using random heterogeneous DEM model to simulate the SCB fracture behavior of asphalt concrete 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier A heterogeneous fracture simulation approach based on algorithmic technique and discrete element method (DEM) was developed in this paper for simulating the fracture behavior of asphalt concrete under semi-circular bending (SCB) test. Asphalt concretes were modeled as heterogeneous materials with random aggregate structures and asphalt mastic by a novel algorithm. A bilinear cohesive fracture model was used as the constitutive law for modeling crack initiation and propagation. The simulation approach was verified by experimental results of asphalt concretes with different nominal maximum aggregate sizes (NMAS) at different temperatures. Moreover, the contact force and crack evolution were analyzed to study the failure mechanism of SCB specimen. Lastly, a parametric analysis was performed to investigate the effect of aggregate strength on the fracture behavior of asphalt concrete. Results showed that simulation results agreed well with the experimental results at different test conditions. NMAS, temperature and aggregate strength had significant influences on the hardening and softening behavior as well as crack propagation paths. The fracture failure mechanism of SCB specimen was mainly attributed to the tension force. The random heterogeneous fracture simulation approach has significant potential to aid in understanding the fracture mechanism of asphalt concrete, and reduce the required number of expensive and time-consuming experimental tests. Asphalt concrete Fracture Discrete element method Algorithmic technique Heterogeneous Pei, Jianzhong verfasserin (orcid)0000-0002-1994-5819 aut Zhou, Bochao verfasserin aut Zhang, Jiupeng verfasserin (orcid)0000-0002-9627-4836 aut Li, Rui verfasserin (orcid)0000-0002-9736-6468 aut Guo, Fucheng verfasserin aut Enthalten in Construction and building materials Amsterdam [u.a.] : Elsevier Science, 1987 236 Online-Ressource (DE-627)320423115 (DE-600)2002804-0 (DE-576)259271187 nnns volume:236 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 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_4338 GBV_ILN_4393 56.45 Baustoffkunde AR 236
allfields_unstemmed	10.1016/j.conbuildmat.2019.117580 doi (DE-627)ELV003573214 (ELSEVIER)S0950-0618(19)33032-6 DE-627 ger DE-627 rda eng 690 DE-600 56.45 bkl Xue, Bin verfasserin aut Using random heterogeneous DEM model to simulate the SCB fracture behavior of asphalt concrete 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier A heterogeneous fracture simulation approach based on algorithmic technique and discrete element method (DEM) was developed in this paper for simulating the fracture behavior of asphalt concrete under semi-circular bending (SCB) test. Asphalt concretes were modeled as heterogeneous materials with random aggregate structures and asphalt mastic by a novel algorithm. A bilinear cohesive fracture model was used as the constitutive law for modeling crack initiation and propagation. The simulation approach was verified by experimental results of asphalt concretes with different nominal maximum aggregate sizes (NMAS) at different temperatures. Moreover, the contact force and crack evolution were analyzed to study the failure mechanism of SCB specimen. Lastly, a parametric analysis was performed to investigate the effect of aggregate strength on the fracture behavior of asphalt concrete. Results showed that simulation results agreed well with the experimental results at different test conditions. NMAS, temperature and aggregate strength had significant influences on the hardening and softening behavior as well as crack propagation paths. The fracture failure mechanism of SCB specimen was mainly attributed to the tension force. The random heterogeneous fracture simulation approach has significant potential to aid in understanding the fracture mechanism of asphalt concrete, and reduce the required number of expensive and time-consuming experimental tests. Asphalt concrete Fracture Discrete element method Algorithmic technique Heterogeneous Pei, Jianzhong verfasserin (orcid)0000-0002-1994-5819 aut Zhou, Bochao verfasserin aut Zhang, Jiupeng verfasserin (orcid)0000-0002-9627-4836 aut Li, Rui verfasserin (orcid)0000-0002-9736-6468 aut Guo, Fucheng verfasserin aut Enthalten in Construction and building materials Amsterdam [u.a.] : Elsevier Science, 1987 236 Online-Ressource (DE-627)320423115 (DE-600)2002804-0 (DE-576)259271187 nnns volume:236 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 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_4338 GBV_ILN_4393 56.45 Baustoffkunde AR 236
allfieldsGer	10.1016/j.conbuildmat.2019.117580 doi (DE-627)ELV003573214 (ELSEVIER)S0950-0618(19)33032-6 DE-627 ger DE-627 rda eng 690 DE-600 56.45 bkl Xue, Bin verfasserin aut Using random heterogeneous DEM model to simulate the SCB fracture behavior of asphalt concrete 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier A heterogeneous fracture simulation approach based on algorithmic technique and discrete element method (DEM) was developed in this paper for simulating the fracture behavior of asphalt concrete under semi-circular bending (SCB) test. Asphalt concretes were modeled as heterogeneous materials with random aggregate structures and asphalt mastic by a novel algorithm. A bilinear cohesive fracture model was used as the constitutive law for modeling crack initiation and propagation. The simulation approach was verified by experimental results of asphalt concretes with different nominal maximum aggregate sizes (NMAS) at different temperatures. Moreover, the contact force and crack evolution were analyzed to study the failure mechanism of SCB specimen. Lastly, a parametric analysis was performed to investigate the effect of aggregate strength on the fracture behavior of asphalt concrete. Results showed that simulation results agreed well with the experimental results at different test conditions. NMAS, temperature and aggregate strength had significant influences on the hardening and softening behavior as well as crack propagation paths. The fracture failure mechanism of SCB specimen was mainly attributed to the tension force. The random heterogeneous fracture simulation approach has significant potential to aid in understanding the fracture mechanism of asphalt concrete, and reduce the required number of expensive and time-consuming experimental tests. Asphalt concrete Fracture Discrete element method Algorithmic technique Heterogeneous Pei, Jianzhong verfasserin (orcid)0000-0002-1994-5819 aut Zhou, Bochao verfasserin aut Zhang, Jiupeng verfasserin (orcid)0000-0002-9627-4836 aut Li, Rui verfasserin (orcid)0000-0002-9736-6468 aut Guo, Fucheng verfasserin aut Enthalten in Construction and building materials Amsterdam [u.a.] : Elsevier Science, 1987 236 Online-Ressource (DE-627)320423115 (DE-600)2002804-0 (DE-576)259271187 nnns volume:236 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 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_4338 GBV_ILN_4393 56.45 Baustoffkunde AR 236
allfieldsSound	10.1016/j.conbuildmat.2019.117580 doi (DE-627)ELV003573214 (ELSEVIER)S0950-0618(19)33032-6 DE-627 ger DE-627 rda eng 690 DE-600 56.45 bkl Xue, Bin verfasserin aut Using random heterogeneous DEM model to simulate the SCB fracture behavior of asphalt concrete 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier A heterogeneous fracture simulation approach based on algorithmic technique and discrete element method (DEM) was developed in this paper for simulating the fracture behavior of asphalt concrete under semi-circular bending (SCB) test. Asphalt concretes were modeled as heterogeneous materials with random aggregate structures and asphalt mastic by a novel algorithm. A bilinear cohesive fracture model was used as the constitutive law for modeling crack initiation and propagation. The simulation approach was verified by experimental results of asphalt concretes with different nominal maximum aggregate sizes (NMAS) at different temperatures. Moreover, the contact force and crack evolution were analyzed to study the failure mechanism of SCB specimen. Lastly, a parametric analysis was performed to investigate the effect of aggregate strength on the fracture behavior of asphalt concrete. Results showed that simulation results agreed well with the experimental results at different test conditions. NMAS, temperature and aggregate strength had significant influences on the hardening and softening behavior as well as crack propagation paths. The fracture failure mechanism of SCB specimen was mainly attributed to the tension force. The random heterogeneous fracture simulation approach has significant potential to aid in understanding the fracture mechanism of asphalt concrete, and reduce the required number of expensive and time-consuming experimental tests. Asphalt concrete Fracture Discrete element method Algorithmic technique Heterogeneous Pei, Jianzhong verfasserin (orcid)0000-0002-1994-5819 aut Zhou, Bochao verfasserin aut Zhang, Jiupeng verfasserin (orcid)0000-0002-9627-4836 aut Li, Rui verfasserin (orcid)0000-0002-9736-6468 aut Guo, Fucheng verfasserin aut Enthalten in Construction and building materials Amsterdam [u.a.] : Elsevier Science, 1987 236 Online-Ressource (DE-627)320423115 (DE-600)2002804-0 (DE-576)259271187 nnns volume:236 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 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_4338 GBV_ILN_4393 56.45 Baustoffkunde AR 236
language	English
source	Enthalten in Construction and building materials 236 volume:236
sourceStr	Enthalten in Construction and building materials 236 volume:236
format_phy_str_mv	Article
bklname	Baustoffkunde
institution	findex.gbv.de
topic_facet	Asphalt concrete Fracture Discrete element method Algorithmic technique Heterogeneous
dewey-raw	690
isfreeaccess_bool	false
container_title	Construction and building materials
authorswithroles_txt_mv	Xue, Bin @@aut@@ Pei, Jianzhong @@aut@@ Zhou, Bochao @@aut@@ Zhang, Jiupeng @@aut@@ Li, Rui @@aut@@ Guo, Fucheng @@aut@@
publishDateDaySort_date	2019-01-01T00:00:00Z
hierarchy_top_id	320423115
dewey-sort	3690
id	ELV003573214
language_de	englisch
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author	Xue, Bin
spellingShingle	Xue, Bin ddc 690 bkl 56.45 misc Asphalt concrete misc Fracture misc Discrete element method misc Algorithmic technique misc Heterogeneous Using random heterogeneous DEM model to simulate the SCB fracture behavior of asphalt concrete
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topic_title	690 DE-600 56.45 bkl Using random heterogeneous DEM model to simulate the SCB fracture behavior of asphalt concrete Asphalt concrete Fracture Discrete element method Algorithmic technique Heterogeneous
topic	ddc 690 bkl 56.45 misc Asphalt concrete misc Fracture misc Discrete element method misc Algorithmic technique misc Heterogeneous
topic_unstemmed	ddc 690 bkl 56.45 misc Asphalt concrete misc Fracture misc Discrete element method misc Algorithmic technique misc Heterogeneous
topic_browse	ddc 690 bkl 56.45 misc Asphalt concrete misc Fracture misc Discrete element method misc Algorithmic technique misc Heterogeneous
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title	Using random heterogeneous DEM model to simulate the SCB fracture behavior of asphalt concrete
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title_full	Using random heterogeneous DEM model to simulate the SCB fracture behavior of asphalt concrete
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title_sort	using random heterogeneous dem model to simulate the scb fracture behavior of asphalt concrete
title_auth	Using random heterogeneous DEM model to simulate the SCB fracture behavior of asphalt concrete
abstract	A heterogeneous fracture simulation approach based on algorithmic technique and discrete element method (DEM) was developed in this paper for simulating the fracture behavior of asphalt concrete under semi-circular bending (SCB) test. Asphalt concretes were modeled as heterogeneous materials with random aggregate structures and asphalt mastic by a novel algorithm. A bilinear cohesive fracture model was used as the constitutive law for modeling crack initiation and propagation. The simulation approach was verified by experimental results of asphalt concretes with different nominal maximum aggregate sizes (NMAS) at different temperatures. Moreover, the contact force and crack evolution were analyzed to study the failure mechanism of SCB specimen. Lastly, a parametric analysis was performed to investigate the effect of aggregate strength on the fracture behavior of asphalt concrete. Results showed that simulation results agreed well with the experimental results at different test conditions. NMAS, temperature and aggregate strength had significant influences on the hardening and softening behavior as well as crack propagation paths. The fracture failure mechanism of SCB specimen was mainly attributed to the tension force. The random heterogeneous fracture simulation approach has significant potential to aid in understanding the fracture mechanism of asphalt concrete, and reduce the required number of expensive and time-consuming experimental tests.
abstractGer	A heterogeneous fracture simulation approach based on algorithmic technique and discrete element method (DEM) was developed in this paper for simulating the fracture behavior of asphalt concrete under semi-circular bending (SCB) test. Asphalt concretes were modeled as heterogeneous materials with random aggregate structures and asphalt mastic by a novel algorithm. A bilinear cohesive fracture model was used as the constitutive law for modeling crack initiation and propagation. The simulation approach was verified by experimental results of asphalt concretes with different nominal maximum aggregate sizes (NMAS) at different temperatures. Moreover, the contact force and crack evolution were analyzed to study the failure mechanism of SCB specimen. Lastly, a parametric analysis was performed to investigate the effect of aggregate strength on the fracture behavior of asphalt concrete. Results showed that simulation results agreed well with the experimental results at different test conditions. NMAS, temperature and aggregate strength had significant influences on the hardening and softening behavior as well as crack propagation paths. The fracture failure mechanism of SCB specimen was mainly attributed to the tension force. The random heterogeneous fracture simulation approach has significant potential to aid in understanding the fracture mechanism of asphalt concrete, and reduce the required number of expensive and time-consuming experimental tests.
abstract_unstemmed	A heterogeneous fracture simulation approach based on algorithmic technique and discrete element method (DEM) was developed in this paper for simulating the fracture behavior of asphalt concrete under semi-circular bending (SCB) test. Asphalt concretes were modeled as heterogeneous materials with random aggregate structures and asphalt mastic by a novel algorithm. A bilinear cohesive fracture model was used as the constitutive law for modeling crack initiation and propagation. The simulation approach was verified by experimental results of asphalt concretes with different nominal maximum aggregate sizes (NMAS) at different temperatures. Moreover, the contact force and crack evolution were analyzed to study the failure mechanism of SCB specimen. Lastly, a parametric analysis was performed to investigate the effect of aggregate strength on the fracture behavior of asphalt concrete. Results showed that simulation results agreed well with the experimental results at different test conditions. NMAS, temperature and aggregate strength had significant influences on the hardening and softening behavior as well as crack propagation paths. The fracture failure mechanism of SCB specimen was mainly attributed to the tension force. The random heterogeneous fracture simulation approach has significant potential to aid in understanding the fracture mechanism of asphalt concrete, and reduce the required number of expensive and time-consuming experimental tests.
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title_short	Using random heterogeneous DEM model to simulate the SCB fracture behavior of asphalt concrete
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author2	Pei, Jianzhong Zhou, Bochao Zhang, Jiupeng Li, Rui Guo, Fucheng
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doi_str	10.1016/j.conbuildmat.2019.117580
up_date	2024-07-06T20:04:32.888Z
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Using random heterogeneous DEM model to simulate the SCB fracture behavior of asphalt concrete

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