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规范推荐的沉降计算方法通常都是在分层总和法的基础上乘以修正系数ms,并未给出该系数的理论计算方法,取值具有很大的随意性和经验性。该文在前人工作的基础上认为,该系数可表达为体变修正系数和侧移修正系数的乘积,提出了体变修正系数和侧移修正系数的计算方法。并通过对粤东地区3条高速公路若干断面的现场监测资料的分析计算,提出了该地区侧移修正系数的经验值。
The standard recommended settlement calculation method is usually multiplied by the correction coefficient ms on the basis of the stratified summation method, and no theoretical calculation method of the coefficient is given. The value has a great deal of arbitrariness and experience. Based on the work of predecessors, this paper argues that this coefficient can be expressed as the product of the body change correction coefficient and the side shift correction coefficient, and proposes the calculation methods of the body change correction coefficient and the side shift correction coefficient. Through the analysis and calculation of on-site monitoring data of several sections of three expressways in the eastern part of Guangdong Province, the empirical value of the lateral shift correction coefficient in the area is proposed.