典型文献
Innovative mitigation method for buried pipelines crossing faults
文献摘要：
A new remediation technique is proposed to mitigate large deformations imposed on buried pipeline systems subject to permanent ground deformation.With this technique,low-density gravel(LDG)with high porosity,such as pumice,is used as backfill in the trench containing the pipe near an area susceptible to PGD.This countermeasure decreases soil resistance,soil-pipe interaction forces and strain on the pipe as the pipeline deformation mechanism changes to a more desirable shape.Expanded polystyrene geofoam has been introduced to decrease the density of the pipeline backfill;however,LDG is more efficient regarding workability during construction,environmental effects,durability,fire safety,and cost-effectiveness.A series of centrifuge model experiments in which the pipelines were subjected to reverse faulting was conducted to evaluate the proposed method.During faulting,the axial and bending strain and pipe deflection were measured.A comparison of the responses of the remediated pipeline and the pipeline without remediation indicates that the proposed technique substantially mitigates the effects of large deformation.
文献关键词：
中图分类号：
作者姓名：
Mahdi Rojhani;Majid Moradi;Ali Derakhshani
作者机构：
Department of Civil Engineering,Faculty of Engineering,Shahed University,Tehran,Iran;Faculty of Civil Engineering,College of Engineering,University of Tehran,Tehran,Iran
文献出处：
引用格式：
[1]Mahdi Rojhani;Majid Moradi;Ali Derakhshani-.Innovative mitigation method for buried pipelines crossing faults)[J].地震工程与工程振动（英文版）,2022(04):1089-1101
A类：
pumice,geofoam
B类：
Innovative,mitigation,method,buried,pipelines,crossing,faults,new,remediation,technique,proposed,large,deformations,imposed,systems,permanent,ground,With,this,low,density,gravel,LDG,high,porosity,such,used,backfill,trench,containing,near,area,susceptible,PGD,This,countermeasure,decreases,soil,resistance,interaction,forces,strain,mechanism,changes,more,desirable,shape,Expanded,polystyrene,has,been,introduced,however,efficient,regarding,workability,during,construction,environmental,effects,durability,fire,safety,cost,effectiveness,series,centrifuge,model,experiments,which,were,subjected,reverse,faulting,was,conducted,evaluate,During,axial,bending,deflection,measured,comparison,responses,remediated,without,indicates,that,substantially,mitigates
AB值：
0.599987
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