Threedimensional numerical simulation of utility tunnel for largescale shaking table test

Learn More2019730ensp enspshaking table test and numerical verification for free ground seismic response of saturated soft soil xueleicheng 1 chunyicui 1 zongguangsun 1 jinhongxia 2 andguangbingwang 1

Shaking table test of utility tunnel under nonuniform seism ic excitations iii numerical simulationjglobal

Su chen haiyang zhuang dengzhou quan jie yuan kai zhao bin ruan shaking table test on the seismic response of largescale subway station in a loess site a case study soil dynamics and earthquake engineering 101016jsoildyn201904023 123 173184 2019

Shaking table test is an important method to study the seismic performance of structures the accuracy of the test model which is designed based on the similarity ratio theory has a crucial impact on the reliability of the shaking table test results in this paper a steel corrugated utility tunnel model was made

Utility tunnel ut is an underground tunnel structure that carries more than two types of public utility lines like pipeline and cable before 1970s utility tunnel had been considered to be a low seismic risk however in recent decades ut have been found to be often damaged under strong earthquake motion and large ground displacement and the pipeline system contained in utility tunnel

20201111ensp enspshaking table test of utility tunnel under non uniform 315 test response spectrum trs the acceleration response spectrum that is developed from the actual time history of the motion of the shake table test as measured by reference control accelerometers mounted on the shake table at a location near the base of the uut 316 transmissibility the nondimensional ratio of the

Shaking table test of utility tunnel under nonuniform seism ic excitations iii numerical simulationjglobal

As a new kind of bridge structure multitower selfanchored suspension bridge mssb has complicated mechanical characteristics so far the research on dynamic performance of mssb is limited to theoretical and numerical simulation based on the first three shaking table system in china shaking table test of mssb is carried out the modal test and seismic excitation test show that the

Study of ground motion effect of trapezoidal valley site based on centrifuge shaking table test j rock and soil mechanics 2020 414 12701278 11 feng li ding xuanming wang chenglong chen zhixiong shaking table model test on seismic responses of utility tunnel with joint j rock and soil mechanics 2020 414 12951304

2020831ensp enspexperimental and numerical simulation of the tunnel has been investigated by many researchers512 a series of shake table test of the utility tunnel in transverse and longitudinal direction was performed the results show that the amplification factor of soil decreases with increase in peak ground acceleration pga due to soil

A stateoftheart review of the seismic response of utility tunnels is presented the objectives of the review are to present a view of current state of utility tunnel and to examine trends in the future the review includes the theoretical analysis numerical simulation and experimental research on the utility tunnel under earthquake wave excitation

Numerical simulation of shaking table test on utility tunnel under nonuniform earthquake excitation tunnelling and underground space technology 30 205216 chen z y amp shen h 2014

20161027ensp enspthe numerical simulation of three fullscale embankment seismic simulation using shaking table experiments helped identify model stabil j shaking table test of utility tunnel under nonuniform earthquake wave excitation soil dynamics and

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202118ensp enspabstract a series of shaking table tests were conducted on scaled utility tunnel models with and without construction joints under nonuniform input earthquake wave excitation details of experimental setup are first presented with particular focuses on design and fabrication of doubleaxis laminar shear box with a rectangular hole opened on its side walls design of two devices for

Threedimensional numerical simulation of utility tunnel for largescale shaking table test

2020120ensp enspshaking table test on seismic performances of newly designed joints for mountain tunnels crossing faults numerical simulation of shaking table test on utility tunnel under nonuniform earthquake excitation shaking table tests of tunnel linings in progressive states of damage

2019730ensp enspshaking table test and numerical verification for free ground seismic response of saturated soft soil xueleicheng 1 chunyicui 1 zongguangsun 1 jinhongxia 2 andguangbingwang 1

Based on the shaking table test and numerical simulation the failure criterion and seismic reliability of the utility tunnel were analyzed by yue and li chen et al researched the effect of nonuniform excitation on the utility tunnel by a unique shaking table system however up to now most research on seismic response of the utility tunnel

Abstractin order to investigate the longitudinal seismic response law of long shield tunnel in consideration of wavepassage effect taking the shanghai riverinepassage shield tunnel as a prototype a series of multipoint shaking table tests were designed and conducted by the multifunctional shaking table arrayin consideration of the scale of the actual shield tunnel and the

Su chen haiyang zhuang dengzhou quan jie yuan kai zhao bin ruan shaking table test on the seismic response of largescale subway station in a loess site a case study soil dynamics and earthquake engineering 101016jsoildyn201904023 123 173184 2019

201271ensp enspthe performance of utility tunnel under transverse nonuniform earthquake excitation is investigated in the paper through shaking table test and numerical simulations on a scaled structure model in numerical simulation factors as the laminar shear box soilstructure interaction initial stress field element section and input of earthquake

This paper studies numerical simulation of shaking table test on utility tunnel model subjected to nonuniform earthquake excitation the experimental work is first introduced with focuses on experimental strategy structural model and soil instrumentation and test cases

Experimental and numerical simulation of the tunnel has been investigated by many researchers 5 6 789101112 a series of shake table test of the utility tunnel in transverse and

Shaking table test on a prefabricated corrugated steel tunnel on liquefiable ground seismic performance of the tunnel inside pipelines and brackets is investigated slip between the tunnel and surrounding ground is tested by a selfdesigned sensor numerical simulations are performed by flac 3d for validation

Abstract freefield responses of soil in a largescale shaking table test is simulated by a threedimensional numerical model using fem software abaqus as a platform the druckerprager model is adopted for the soil modeling and the shell elements are used for the box with a mass representing the effect of inertia force caused by the frame of laminar shear box

The seismic failure mechanism of a shallowburied prefabricated corrugated steel utility tunnel on the liquefiable ground was investigated by the shak

At present some scholars have used the shaking table test and numerical simulation to study the dynamic response of the tunnel structure chen j 1 used the shaking table test and numerical simulation found that the tunnel linings acceleration response is greater than the surrounding soil under highintensity vibration

Freefield responses of soil in a largescale shaking table test is simulated by a threedimensional numerical model using fem software abaqus as a platform the druckerprager model is adopted for the soil modeling and the shell elements are used for the box with a mass representing the effect of inertia force caused by the frame of laminar shear box

Based on the similarity theory two physical models of the doublearch tunnel with and without the damping layer are set through the shaking table test and numerical simulation the damping effect of the foam concrete damping layer on the acceleration stress displacement and internal force of the shallowburied bias doublearch tunnel is studied

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