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场地平土标高是场地平整和竖向布置的基础。本文总结了目前所应用的最小二乘法计算场地平土标高的方法,即其目标是平土范围内填方量和挖方量总和最小,但平土范围内填方量和挖方量不一定平衡。为了改进对上述计算方法的不足,本文在综合考虑场地的自然地形、生产运输的技术条件和场地设计坡度要求等诸多因素的基础上,建立一种较为完善的数学模型,使得所计算平土标高,既满足填挖方平衡又使填方量和挖方量总和最小。
Site level elevation is the basis for site formation and vertical layout. This paper summarizes the current method of least square method for calculating the elevation of the site, that is, the goal is to minimize the total amount of fill and cut in the horizontal plane, but the fill and the cut in the horizontal plane are not necessarily balanced. In order to improve the shortcomings of the above calculation methods, based on the comprehensive consideration of the natural terrain of the site, the technical conditions of production and transportation, and the slope design requirements of the site, a more complete mathematical model is established to make the calculated level elevation , Not only satisfy the balance of filling and excavation but also make the sum of filling volume and cutting volume minimum.