Seismic Displacement of Slopes Reinforced with Piles

被引：57
|
作者：
Li, Xinpo [1 ,2 ]
He, Siming [1 ,2 ]
Wu, Yong [1 ]
机构：
[1] CAS, Inst Mt Hazards & Environm, Chengdu 610041, Peoples R China
[2] CAS, Key Lab Mt Hazards & Surface Proc, Chengdu 610041, Peoples R China
来源：
JOURNAL OF GEOTECHNICAL AND GEOENVIRONMENTAL ENGINEERING | 2010年 / 136卷 / 06期
关键词：
Limit analysis; Sliding block; Seismic displacement; Slope; Pile; EARTHQUAKE-INDUCED DISPLACEMENTS; GRAVITY RETAINING WALLS; STABILITY ANALYSIS; SOIL STRUCTURES; DESIGN; DAMS;
D O I：
10.1061/(ASCE)GT.1943-5606.0000296
中图分类号：
P5 [地质学];
学科分类号：
0709 ; 081803 ;
摘要：
The seismic stability of slopes reinforced with a row of piles is analyzed using the kinematic theorem of limit analysis within the framework of the pseudostatic approach. An existing method which is based on the theory of plasticity is used to determine the lateral forces provided by the piles. Expressions for calculating the yield acceleration coefficient are derived. Then, based on Newmark's sliding block concept, the permanent displacement induced by an earthquake shocking can be calculated by the integrals of seismic records. An example is investigated to illustrate the validity of this method and the effects of piles on a restraining slope's dynamic deformation.
引用
收藏
页码：880 / 884
页数：5
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