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苏联国家建委建筑结构科学研究所的研究表明,挖掘无压钢筋混凝土管的强度储备,有赖于对钢筋混凝土管与土壤联合作用的更完备的分析。深埋式无压管的计算方法是根据·K·克列恩的著作中所阐述的原理而作了进一步研究。埋在斜壁沟槽内无压管的计算土压,按公式(1)计算 G_B=nψK_(TP)γHBη (1)其中:n——超载系数;取1.2。ψ——考虑到土压合力的任一部分传
Research by the Institute of Building Structures of the State Construction Commission of the USSR shows that excavating the strength reserve of a pressureless reinforced concrete pipe depends on a more complete analysis of the joint action of reinforced concrete pipes and soil. The method of calculating the deep-buried pressureless pipe was further studied based on the principles described in the work of K. Klein. Calculate the earth pressure of the unpressurized pipe buried in the inclined wall trench and calculate it according to formula (1) G_B=nψK_(TP)γHBη (1) where: n—overload factor; take 1.2. ψ - any part of the transfer taking into account earth pressure