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一、概述在上海饱和含水的淤泥质软粘土地层中,建造装配式钢筋混凝土管片和砌块的圆形衬砌隧道,通常采用盾构法施工。盾构法施工的动力,是设置在盾构壳体周边的盾构千斤顶的顶力。千斤顶的顶力直接作用在圆形隧道衬砌结构的环缝面上。由于衬砌的制
I. Overview In Shanghai saturated muddy soft clay stratum, the construction of circular lining tunnels of fabricated reinforced concrete segments and blocks usually adopts shield method. The shield construction method is powered by the jacking force of the shield jacks installed around the shield shell. The jacking force directly in the circular tunnel lining structure of the ring seam surface. Because of the lining system