【摘要】 在城市市政管网建设中 ,经常采用砼管非开挖施工工艺 ,以解决特殊地段施工难题 ,而顶进钢管则很少用。本文结合工程实例 ,对非开挖钢管顶进施工中有关力的计算及施工中应注意的有关问题进行了说明和阐述。更多还原

【Abstract】 In the past several years,the reinforced concrete pipe was often used in the municipal administration trenchless pipe-line construction.But steel tube was not.This paper mainly analyses the mechanical calculation and the concerned problem with regard to the trenchless steel tube jacking construction.更多还原