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三层弹性层状体系应力和弯沉计算诺谟图(简称三层体系图解)是根据我国公路桑性路面设计增补指标研究课题的需要,在充分分析路面体系中某些危险座标点的某项应力随车轮荷载参数和各层材料参数变化规律的基础上,应用诺谟图理论绘制的一种网络图形。应用这些网络图形,可以以足够的精度,利用手工操作方式便捷地求算出任何参数下的应力或弯沉值。而这些应力和弯沉值都是以繁复的公式表达的,通常情况下需要编制电算程序用电子计算机求解。
Stress and deflection calculation of three-layer elastic stratiform system NOMO diagram (abbreviated as THREE-layer system diagram) is based on the need of research on the added index of highway surface design in China. After analyzing some dangerous coordinate points in pavement system Based on the change of load parameters of the wheel and material parameters of each layer, the stress is a network graph drawn by the nomogram theory. Using these network graphics, you can easily calculate the stress or deflection under any parameter with sufficient accuracy and by hand. And these stress and deflection values are expressed in complex formulas, usually need to prepare a computer program to use computer to solve.