Dejun Liu
China University of Mining and Technology
RandomnessGeologyRandom fieldSettlement (structural)BrittlenessShieldField (geography)Shearing (physics)Nonlinear systemComplex geometryDislocationSoil scienceComposite materialTimoshenko beam theoryMaterials scienceMonte Carlo methodAmplification factorDeformation (meteorology)Joint (geology)Overburden pressureFinite difference methodShear stressTilt (optics)OverburdenCharacterization (materials science)Monitoring systemHealth conditionMonitoring methodsComputer scienceWirelessMatrix (geology)Control theoryStructural engineeringConvergence (routing)AnisotropyBendingMicrostructureSpatial variability
4Publications
2H-index
7Citations
Publications 5
Newest
#1Dongming Zhang (Tongji University)H-Index: 13
#2Hongfeng Dai (Tongji University)
Last. Dejun Liu (CUMT: China University of Mining and Technology)H-Index: 4
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AbstractGeological heterogeneity is a result of the natural deposit process of strata with a highly irregular and uncertain distribution of soil mass in the real world. However, compared with the e...
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#1Dejun Liu (CUMT: China University of Mining and Technology)H-Index: 4
#2Cong Tian (CUMT: China University of Mining and Technology)H-Index: 1
Last. Jianping Zuo (CUMT: China University of Mining and Technology)H-Index: 15
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Abstract null null To understand the longitudinal structural deformation mechanism of shield tunnel linings, it is crucial to reasonably consider circumferential joints, especially their shearing deformation. Towards that end, first, the dislocation between lining rings caused by the differential settlement of an actual tunnel project in Shanghai was introduced in detail. Next, the longitudinal deformation model of shield tunnels derived from Timoshenko beam theory was revised to predict the act...
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#1Fei Wang (Tongji University)H-Index: 29
#2Jingkang Shi (Tongji University)H-Index: 2
Last. Dejun Liu (CUMT: China University of Mining and Technology)H-Index: 4
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Convergence monitoring is of great importance to evaluate the tunnel health condition. This paper introduces a real-time convergence monitoring system of shield tunnel with straight joints based on...
2 CitationsSource
#1Jin-Zhang Zhang (Tongji University)H-Index: 1
#2Hongwei HuangH-Index: 38
Last. Dejun Liu (CUMT: China University of Mining and Technology)H-Index: 4
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11 CitationsSource
#1Mingyao Li (CUMT: China University of Mining and Technology)H-Index: 1
#2Jianping Zuo (CUMT: China University of Mining and Technology)H-Index: 15
Last. Dejun Liu (CUMT: China University of Mining and Technology)H-Index: 4
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Abstract The microscopic characteristics greatly influence the nonlinear mechanical behavior and failure process of rock materials. In the present work, the experimental investigations are firstly performed including microstructural observations and macroscopic laboratory tests. Based on various experimental evidences, a micromechanical damage model is proposed according to the microscopic characteristics for the description of the local mechanical features such as mineralogical composition, pla...
1 CitationsSource