Search Results - "Lei, Mingfeng"

Squeezing failure of tunnels: A case study by Cao, Chengyong, Shi, Chenghua, Lei, Mingfeng, Yang, Weichao, Liu, Jianwen

“…The Laodongshan Tunnel, as a part of Guangtong-Kunming railway in China is one of the most important connections in the whole railway line. The large…”
Get full text

Improved analytical method for evaluating the responses of a shield tunnel to adjacent excavations and its application by Liu, Jianwen, Shi, Chenghua, Lei, Mingfeng, Cao, Chengyong, Lin, Yuexiang

“…•An improved analytical method for evaluating the responses of shield tunnel due to adjacent excavation is proposed.•The proposed method is verified by three…”
Get full text

Model test to investigate the failure mechanisms and lining stress characteristics of shallow buried tunnels under unsymmetrical loading by Lei, Mingfeng, Peng, Limin, Shi, Chenghua

“…•The similitude criterion of model was derived from similarity theory.•The experimental program was planned in detail.•The mechanical characteristics of rock…”
Get full text

Soil-water inrush induced shield tunnel lining damage and its stabilization: A case study by Huang, Linchong, Ma, Jianjun, Lei, Mingfeng, Liu, Linghui, Lin, Yuexiang, Zhang, Ziyang

“…•Shield tunnel lining damage induced by soil-water inrush is studied.•Numerical simulation matches with field results reasonably.•Strength reduction method…”
Get full text

Effects of lateral unloading on the mechanical and deformation performance of shield tunnel segment joints by Shi, Chenghua, Cao, Chengyong, Lei, Mingfeng, Peng, Limin, Ai, Huijun

“…•A hybrid model considering the non-continuity of shield tunnel was established.•Effects of lateral unloading on stress and deformation state of tunnel joints…”
Get full text

Probabilistic evaluation for excavation-induced longitudinal responses of existing shield tunnel in spatially random soils by Wang, Zuxian, Shi, Chenghua, Chen, Haiyong, Lei, Mingfeng

“…The inherent spatial variability of soil properties has a non-negligible effect on the geo-structures system. The quantitative evaluation on the uncertainty of…”
Get full text

Function mechanism and analytical method of a double layer pre-support system for tunnel underneath passing a large-scale underground pipe gallery in water-rich sandy strata: A case study by Zhao, Chenyang, Lei, Mingfeng, Shi, Chenghua, Cao, Haorong, Yang, Weichao, Deng, E.

“…•The function mechanism of DLPS is explored.•Deformation transferring path, working state, and failure modes are analyzed.•The mechanical model was established…”
Get full text

Tensile Performance Test Research of Hybrid Steel Fiber-Reinforced Self-Compacting Concrete by Gong, Chenjie, Kang, Lei, Zhou, Wenhan, Liu, Linghui, Lei, Mingfeng

“…Notched beam specimens were loaded by the three-point bending test device, and the effects of different volume contents and combinations of steel fibers on the…”
Get full text

Investigation of ultimate bearing capacity of shield tunnel based on concrete damage model by Liu, Jianwen, Shi, Chenghua, Gong, Chenjie, Lei, Mingfeng, Wang, Zuxian, Peng, Zhu, Cao, Chengyong

“…•Previous studies are mostly carried out within the framework of elastic/plastic theory.•An innovative modelling procedure is proposed considering concrete…”
Get full text

Sealant Performance Test and Stress–Seepage Coupling Model for Tunnel Segment Joints by Shi, Chenghua, Cao, Chengyong, Lei, Mingfeng, Yang, Weichao

“…Although the sealant performance of segment joints has an important influence on the durability of shield tunnels, it is rarely discussed theoretically. In…”
Get full text

Construction technology for a shallow-buried underwater interchange tunnel with a large span by Shi, Chenghua, Cao, Chengyong, Lei, Mingfeng

“…The construction of underwater tunnels has become a major method for enabling transportation across rivers in cities. In this paper, several innovative ideas…”
Get full text

Field test and numerical reconstitution of natural winds at the tunnel entrance section of high-speed railway by Yang, Weichao, Liu, Yikang, Deng, E., Wang, Youwu, He, Xuhui, Lei, Mingfeng, Zou, Yunfeng

“…Purpose The purpose of this paper is to understand the natural wind field characteristics of the tunnel entrance section and analyzing the aerodynamic…”
Get full text

Waterproof Performance of Sealing Gasket in Shield Tunnel: A Review by Gong, Chenjie, Wang, Yuanye, Ding, Wenqi, Lei, Mingfeng, Shi, Chenghua

“…Rubber gaskets are commonly adopted as the waterproof component in shield tunnels for their outstanding sealing performance. The contact pressure between…”
Get full text

Pseudo-dynamic analysis of three-dimensional active earth pressures in cohesive backfills with cracks by Lei, Mingfeng, Li, Jin, Zhao, Chenyang, Shi, Chenghua, Yang, Weichao, Deng, E.

“…Most of the existing studies on seismic active earth pressure evaluation use a pseudo-static method to consider seismic actions and are carried out under…”
Get full text

Novel Reinforcing Techniques and Bearing Capacity Analysis for Tunnel Lining Structures with Extensive Corrosion by Zha, Xicao, Lei, Mingfeng, Sun, Ningxin, Li, Yongheng, Liu, Linghui, Duan, Lian, Wang, Lichuan

“…Affected by the erosive environment, tunnel lining concrete in the long-term service zprocess often exhibits engineering diseases such as concrete corrosion…”
Get full text

Calculation Model of Supporting System for Tunnel Under Shallow and Weak Surrounding Rock Considering the Synergistic Effects by Cao, Haorong, Peng, Limin, Lei, Mingfeng, Tang, Qianlong, Peng, Long, Chen, Fudong

“…In order to give full play to the bearing capacity of the various components of a tunnel supporting system under shallow and weak surrounding rocks, a study is…”
Get full text

Study on Train Vibration Response and Cumulative Deformation of Double Arch Tunnel in Kast Foundation by Lei, Mingfeng, Omer, Joshua

“…Using a dynamic finite difference method, the dynamic response of double arch tunnel in Kast region of Baiyunshan tunnel on the Yichang–Wanzhou railway in…”
Get full text

Ultimate Support Pressure Determination for Shield Tunnel Faces in Saturated Strata Based on Seepage Flow Control by Hu, Ziwei, Lei, Mingfeng, Zhang, Hu, Jia, Chaojun, Shi, Chenghua

“…Existing methods for calculating the ultimate support pressure of tunnel faces do not consider the control of seepage flow. Therefore, a model for calculating…”
Get full text

Dewatering Characteristics and Inflow Prediction of Deep Foundation Pits with Partial Penetrating Curtains in Sand and Gravel Strata by Liu, Linghui, Lei, Mingfeng, Cao, Chengyong, Shi, Chenghua

“…The dewatering of deep foundation pits excavated in highly permeable geology usually requires waterproofing technologies to relieve groundwater flow. However,…”
Get full text

Laboratory study and constitutive modeling of time-dependent properties of a naturally filled discontinuity by Zhang, Sheng, Zheng, Yanni, Jia, Chaojun, Lei, Mingfeng, Li, Zhong

“…Time-dependent properties of naturally filled discontinuities play a critical role in ensuring the long-term stability of tunnels. This study developed a novel…”
Get full text