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十四年前的设计今天来总结,看来是晚了些,但是新生事物通过长时间的考验和实践,写来对加快市政管道施工工期还是有它一定意义。这项工程设计中有以下几个内容: 1.环氧树脂粘接大口径混凝土管, 2.砖砌压力井用三层水泥砂浆做法可密气密水, 3.密水密气压力井盖的做法, 4.压力井内的闸门,丝杆不外露。南苑公社左安门外污水灌溉工程是在
The design of fourteen years ago has come to a conclusion today. It seems to be a little late. However, new things have been tested and practiced for a long period of time and it has been of some significance to speed up the construction period of municipal pipelines. The following items are included in this project design: 1. Epoxy resin bonded large-diameter concrete pipe, 2. Brick pressure well with three-layer cement mortar can be tight airtight water, 3. The practice of dense water pressure gas manhole cover 4. The gate in the pressure well, the screw is not exposed. The sewage irrigation project outside Zuo’anmen of Nanyuan Community is in