Search Results - "Lu, Dechun"

Seismic performance upgrading for underground structures by introducing sliding isolation bearings by Ma, Chao, Lu, Dechun, Du, Xiuli

“…Isolation bearings have been a widely applied seismic strengthening technique in above ground structures. Whereas, the sliding isolation bearings were seldom…”
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Nonlocal regularization of an anisotropic critical state model for sand by Gao, Zhiwei, Li, Xin, Lu, Dechun

“…Many advanced constitutive models which can capture the strain-softening and state-dependent dilatancy response of sand have been developed. These models can…”
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Displacement analytical prediction of shallow tunnel based on unified displacement function under slope boundary by Kong, Fanchao, Lu, Dechun, Du, Xiuli, Shen, Chenpeng

“…Summary For slope condition of ground surface, the asymmetrical deformation about the vertical center line and the horizontal center line of the tunnel cross…”
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Effect of buried depth on seismic response of rectangular underground structures considering the influence of ground loss by Ma, Chao, Lu, Dechun, Du, Xiuli, Qi, Chengzi

“…Great efforts have been made in investigating the effect of buried depth influencing the seismic response of rectangular underground structures, however, a…”
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Computational homogenization for mechanical properties of sand cobble stratum based on fractal theory by Zhang, Pei, Jin, Liu, Du, Xiuli, Lu, Dechun

“…Sandy cobble strata is one of the most commonly encountered engineering geological body. A further research into the stability of ground and underground…”
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Mechanical response of existing tunnels for shield under-crossing in cobble strata based on the model test by Lin, Qingtao, Lu, Dechun, Lei, Chunming, Tian, Yu, Kong, Fanchao, Du, Xiuli

“…A model test of shield under-crossing in cobble strata is conducted, based on the self-designed earth pressure balance (EPB) shield platform, to analyse…”
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Effective skeleton stress and void ratio for constitutive modeling of fiber-reinforced sand by Gao, Zhiwei, Lu, Dechun, Huang, Mian

“…Inclusion of flexible fibers such as polypropylene and polyester is an effective method for soil improvement, as it significantly enhances the soil strength…”
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A multi-scale analysis method for the simulation of tunnel excavation in sandy cobble stratum by Du, Xiuli, Zhang, Pei, Jin, Liu, Lu, Dechun

“…•A multi-scale method for modeling tunnel excavation in sand gravel strata is proposed.•A homogenization method for determining the mechanical properties of…”
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A three-stage strength criterion for frozen soils by Liang, Jingyu, Shen, Wantao, Lu, Dechun, Qi, Jilin

“…The strength criterion of frozen soil is necessary for the evaluation of failure problems of the engineering constructed in cold regions or by artificial…”
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A unified displacement function to analytically predict ground deformation of shallow tunnel by Lu, Dechun, Kong, Fanchao, Du, Xiuli, Shen, Chenpeng, Gong, Qiuming, Li, Pengfei

“…A unified displacement function of the cross-section of a circular shallow tunnel, expressed by the Fourier series, is proposed. The unified displacement…”
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A robust stress update algorithm for elastoplastic models without analytical derivation of the consistent tangent operator and loading/unloading estimation by Lu, Dechun, Zhang, Yaning, Zhou, Xin, Su, Cancan, Gao, Zhiwei, Du, Xiuli

“…A robust and concise implicit stress integration algorithm of elastoplastic models is presented. It does not require the loading/unloading estimation and…”
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Numerical simulation and analysis on the mechanical responses of the urban existing subway tunnel during the rising groundwater by Lu, Dechun, Li, Xiaoqiang, Du, Xiuli, Lin, Qingtao, Gong, Qiuming

“…In this paper, a numerical method of the rising groundwater level is presented through an elastoplastic constitutive model for the unsaturated soil and a…”
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Seismic performance of a rectangular subway station with earth retaining system by Chao, Ma, Dechun, Lu, Xiuli, Du, Chengzhi, Qi

“…Much effort has been made in investigating the seismic response and failure mechanism of rectangular subway stations, however, the influence of earth retaining…”
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Constitutive modelling of fabric effect on sand liquefaction by Zhiwei Gao, Dechun Lu, Yue Hou, Xin Li

“…Sand liquefaction under static and dynamic loading can cause failure of embankments, slopes, bridges and other important infrastructure. Sand liquefaction in…”
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New framework of low-carbon city development of China: Underground space based integrated energy systems by Qin, Boyu, Li, Hengyi, Wang, Zhaojian, Jiang, Yuan, Lu, Dechun, Du, Xiuli, Qian, Qihu

“…Cities play a vital role in social development, which contribute to more than 70% of global carbon emission. Low-carbon city construction and decarbonization…”
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A new method for the evaluation of the ultimate seismic capacity of rectangular underground structures by Lu, Dechun, Ma, Chao, Du, Xiuli, Wang, Xin

“…The ultimate seismic capacity of underground structures should be known to provide a sufficient seismic resistance during the seismic design, due to the…”
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Radian of the vault influencing the seismic performances of straight wall arch underground structures by Chao Ma, Dechun Lu, Chengzhi Qi, Xiuli Du

“…Great efforts have been conducted to investigate the seismic performances of the arch and rectangular underground structures, however, the differences between…”
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Theoretical prediction of ground settlements due to shield tunneling in multi-layered soils considering process parameters by Cao, Liqiang, Chen, Xiangsheng, Lu, Dechun, Zhang, Dingli, Su, Dong

“…This paper conducts a theoretical analysis of ground settlements due to shield tunneling in multi-layered soils which are usually encountered in urban areas…”
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Seismic performance enhancement of underground structure influenced by CFRP wrapping schemes by Chao Ma, Xiaolei Li, Guosheng Wang, Dechun Lu, Xiuli Du

“…Abstract The seismic failure mechanism of underground structures showing structural collapse is attributed to the deformation incompatibility between…”
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Study on the excavation disturbed zone during tunneling in sandy cobble stratum considering the material meso-structure by Zhang, Pei, Du, Xiuli, Lu, Dechun, Jin, Liu, Qi, Jilin

“…The excavation disturbed zone plays an important role in the evaluation of tunnel stability. The identification of the excavation disturbed zone is perceived…”
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