Discuss the considerable problems when using "back calculation method".
并讨论运用反算法时应考虑的问题。
The paper introduces the calculation method of a mixed retaining wall using cement mixing pile and unloading plat by grouting in back wall, and its application in excavation is analysised.
本文介绍了水泥搅拌桩重力式挡墙与墙后注浆卸荷平台组合支护的计算方法，及其在基坑工程中的应用。
This paper states types of retaining wall back fill and relevant earth pressure calculation method, which is of direction significance for cast-in-palace construction.
本文对挡土墙填土的种类及相应的土压力计算方法进行了全面论述，对现场施工具有指导意义。
Most back-calculation theories are based on the linear elastic layer system and quietude analysis method, which neglected the nonlinear peculiarity of the pavement material.
现有的反算理论大多建立在弹性层状体系和拟静力分析方法的基础之上，忽略了路面材料应力应变非线性特性。
Based on theory of inertial point, a new assessment method of back calculation of modulus is put forward with the assessment criterion provided.
基于惰性点理论，提出了一种新的模量反算判别方法，并给出了判别标准。
By analyses, a simplified calculation method of active earth pressure on back of abutment UN der earthquake condition has been put forward. Calculating results prove the reasonable of this method.
通过分析，本文提出了地震条件下桥台台背主动土压力简化计算方法，计算结果表明了这一公式的合理性。
The back calculation of pavement layer moduli and the method of estimate is researched according to the measured FWD data from the field test of the existing cement concrete pavement road.
根据某旧水泥混凝土路面改建时的FWD检测数据，研究了旧层状体系路面的评价方法及模量反算。
The back calculation of pavement layer moduli and the method of estimate is researched according to the measured FWD data from the field test of the existing cement concrete pavement road.
根据某旧水泥混凝土路面改建时的FWD检测数据，研究了旧层状体系路面的评价方法及模量反算。
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