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44 10 浙 江 大 学 学 报() Vol.44 No. 10
2010 10 Journal of Zhejiang University ( Engineering Science) ct. 2010
D I: 10.3785/j.issn. 1008973X.2010. 10.027
徐日庆, 李昕睿, 朱剑锋
( , 310058)
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: TU 432 : A : 1008973X( 2010)
Calculation of intermediate passive earth pressure against rigid
retaining wall with translation mode
XU Riqing, LI Xinrui, ZHU Jianfeng
(K ey Labor atory of S of t Soils and Geoenv ir onmental Eng ineer ing , M inis try of Education, Zhej iang Univ ersity ,
H ang hou 310058, China)
Abstract: T he calculation of earth pressure with nonlimit displacement was studied in order to accurately
design retaining wall. Passive earth pressure under the nonlimit statewas defined as intermediate passive
earth pressure. T he failure mechanism of soil was analyzed, and the relationship between the friction
angles and the wall movement was obtained. T he Coulomb theory was improved. T he theoretical formulas
of intermediate passive earth pressure intensity, resultant force and coefficient with translation mode of
retaining wall were derived according to the conditions of static equilibrium. Model tests which fillings
were dry sand or saturated sand were both analyzed. T he calculated values accorded with the measured
data. Intermediate passive earth pressure and coefficient simultaneously increase with the displacement
increases in translation mode. The distribution of intermediate passive earth pressure is almost linear
along the wall.
Key words: rigid retaining wall; translation mode; intermediate passive earth pressure; dry sand;
saturated sand
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