电梯井坑防渗的几项措施郑巨清，郑江平据统计，上海某开发公司新建的３２座电梯井坑中，有２５座存在不同程度的渗漏。有的ｉｄ内渗水量为１００ｘｓ左右，有的为３０～４０＇ｓ，有的渗水现象虽不明显，但井坑经常潮湿。主要有以下原因：门）混凝土本身抗渗性能差。电梯... Several measures for anti-seepage of elevator pits Zheng Juqing, Zheng Jiangping According to statistics, 25 of 32 new elevator pits developed by a development company in Shanghai have different degrees of leakage. Some id endovasculature water is about 100xs, some is 30 ~ 40’s, some water seepage phenomenon is not obvious, but the pit is often wet. There are mainly the following reasons: Doors) The impermeability of concrete itself is poor. elevator...