盾構管片破損,高聚合物盾構管片修補劑施工工藝
2020-06-12
一、盾(dun)(dun)構管片(pian)破損(sun)原因(yin)(yin)引起隧道(dao)管片(pian)破損(sun)的主(zhu)要原因(yin)(yin)是吊裝或水平運(yun)輸(shu)過(guo)程(cheng)(cheng)中(zhong)磕碰;盾(dun)(dun)構掘(jue)進過(guo)程(cheng)(cheng)中(zhong)盾(dun)(dun)構姿態(tai)控(kong)制不當;拼(pin)裝過(guo)程(cheng)(cheng)中(zhong)違反(fan)操作規程(cheng)(cheng)。具(ju)體可分(fen)為以下幾類:1、管片(pian)在施工(gong)過(guo)程(cheng)(cheng)中(zhong)運(yun)輸(shu)、吊裝過(guo)程(cheng)(cheng)中(zhong)擠壓、碰撞、缺邊掉(diao)角;2、在掘(jue)進中(zhong)盾(dun)(dun)構姿態(tai)控(kong)制不當,造(zao)成盾(dun)(dun)尾與管片(pian)的間隙過(guo)小或者沒有間隙,管片(pian)出(chu)盾(dun)(dun)尾拉傷,盾(dun)(dun)構機姿...