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中文摘要：
运用块体集上限法详细分析了砂土中条形锚板的抗拔承载特性。首先分析了砂土中水平条形锚板的抗拔承载力，并与已有文献中的极限分析上限解、极限平衡解和模型试验结果等进行了详细对比，验证了本文分析的有效性。对比结果表明本文块体集上限分析的求解精度要高于多块体上限法和极限分析有限元法，具有较大的优越性。运用块体集上限法分析了条形锚板的破坏面特性，对不同土体内摩擦角和不同锚板埋深比（H／B）条件下砂土中条形锚板的破坏模式及其变化规律进行了详细的分析研究。
英文摘要：
The block set mechanism is employed to analyze the pull-out characteristics of strip anchor plates in sand. An application to upper bound analyses of vertically loaded strip anchor plates is given first to illustrate the utility and effectiveness of the proposed method. Detailed comparisons with results obtained from other upper-bound limit analysis methods, limit equilibrium methods and model tests are included. It is shown that the accuracy of solutions obtained from the proposed mechanism is higher than that from the multi-rigid-block mechanism and finite element limit analysis methods. Then the analyses are extended into the characteristics of failure surface for strip anchor plates in sand. The shapes of failure surface under different soil friction angles and embedment ratios （H/B） are studied.
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Vertical response of pile raft foundations subjected to tunneling-induced ground movements in layere
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