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以往的橡胶密封圈(以下简称橡胶圈)接口沟埋式给水管道的水压试验,都是在管道全部安装完工和回填土后进行的。但对于钢管(橡胶圈接口)、管壁内配置有薄钢板套筒的混凝土管(管道水压试验之前水泥衬里已充分吸水)以及逐根进行过管体水压检验的预应力钢筋混凝土管来看,管道施工安装后的水压试验主要是检验管道接口的施工安装质量,所以水压试验时往往是在器械式密封试压堵板和出入人孔处发现有一些渗漏水。当这些渗漏水经修补停止后,剩下的渗漏水
The hydrostatic test of the conventional buried water supply pipe of the rubber seal ring (hereinafter referred to as the rubber ring) is carried out after all the pipes are installed and backfilled. However, for steel pipes (rubber ring joints), concrete pipes with thin steel plate sleeves inside the pipe wall (the cement lining has sufficiently absorbed water before pipe hydraulic test), and prestressed reinforced concrete pipes that have undergone hydraulic inspection of the pipes one by one. Look, the hydrostatic test after the pipeline construction and installation is mainly to inspect the quality of the construction and installation of the pipeline interface. Therefore, when the hydrostatic pressure test is performed, some leakage water is often found in the instrument-type sealed pressure test blocking plate and the entrance and exit manhole. When these seepage waters stop after repair, the remaining leaking water