J9九游会AG

超(chao)前小导管

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超前小导管(guan)作用在隧道注(zhu)浆(jiang)(jiang)施(shi)工(gong)(gong)(gong)工(gong)(gong)(gong)艺中,对软弱(ruo)破(po)碎(sui)带注(zhu)浆(jiang)(jiang)检(jian)测、锚(mao)杆拱架注(zhu)浆(jiang)(jiang)间距、偏压段拱架加(jia)固施(shi)工(gong)(gong)(gong)、隧道支(zhi)护注(zhu)浆(jiang)(jiang)施(shi)工(gong)(gong)(gong)、超前锚(mao)杆锚(mao)索支(zhi)护施(shi)工(gong)(gong)(gong)等(deng)地段的(de)锚(mao)杆支(zhi)护注(zhu)浆(jiang)(jiang)技术交底。