A MODIFIED PROCEDURE TO EVALUATE EARTHQUAKE-INDUCED DISPLACEMENT OF SLOPES CONTAINING A WEAK LAYER

被引：19

作者：

Deng, Jianliang ^{[1
]}

Tsutsumi, Yukika ^{[2
]}

Kameya, Hiroshi ^{[3
]}

Koseki, Junichi ^{[2
]}

机构：

[1] Saitama Univ, Geosphere Res Inst, Saitama, Japan

[2] Univ Tokyo, Inst Ind Sci, Tokyo 1138654, Japan

[3] OYO Corp, Energy Business Div, Tokyo, Japan

来源：

SOILS AND FOUNDATIONS | 2010年 / 50卷 / 03期

基金：

日本学术振兴会;

关键词：

earthquake; excess pore water pressure; Janbu method; Newmark's sliding block method; slope stability; weak layer;

D O I：

10.3208/sandf.50.413

中图分类号：

P5 [地质学];

学科分类号：

0709 ; 081803 ;

摘要：

A procedure based on the Janbu method for slope stability analysis and Newmark's sliding block method for displacement calculation is proposed to evaluate rationally the earthquake-induced displacement of slopes containing a weak layer. In the procedure, the effects of the irregular geometry of the sliding plane and generation of excess pore water pressure in the weak layer which forms partly the sliding plane are considered. In the computation following the proposed procedure, a negative yield seismic coefficient to induce a safety factor of unity can be obtained because of the effect of excess pore water pressure, while the residual displacement can become a finite value because the sliding plane becomes flatter in general after the slope undergoes a large displacement.

引用

页码：413 / 420

页数：8

共 16 条

[1] DENG J, 2007, P 9 INT SUMM S JSCE, P159
[2] DENG JL, 2008, THESIS U TOKYO
[3] Janbu N., 1957, P 4 INT C SOIL MECH
[4] *JAP GEOT SOC, 2006, INTR AN SLOP STAB DE, P34
[5] *JAP GEOT SOC, 1998, REM MEAS SOIL LIQ IN, P58
[6] MAKDISI FI, 1978, J GEOTECH ENG-ASCE, V104, P849
[7] NAKAJIMA S, 2008, THESIS U TOKYO
[8] EFFECTS OF EARTHQUAKES ON DAMS AND EMBANKMENTS
NEWMARK, NM
[J]. GEOTECHNIQUE, 1965, 15 (02): : 139 - &
[9] Okuyama Y, 2003, DEFORMATION CHARACTERISTICS OF GEOMATERIALS, P607
[10] Nonlinear coupled seismic sliding analysis of earth structures
Rathje, EM
Bray, JD
[J]. JOURNAL OF GEOTECHNICAL AND GEOENVIRONMENTAL ENGINEERING, 2000, 126 (11) : 1002 - 1014

← 1 2 →