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钢花管注浆施工技术细节
浏览:0 发布日期:2020/10/21 9:46:17

  钢花管注浆施工技术细节

  钢花管注浆分第一次常注浆和第二次分段劈裂注浆。

  (1)一次常注浆洗孔:钢花管入孔后,先泵送少量清水,通过注浆管注入孔底,稀释孔底残渣,将泥渣托出,然后进行第一次注浆。

  ZHUJIANGNIJIANG:DIYICIZHUJIANGSHUIHUIBI1:1(P425SHUINI),SHUINIJIANGCONGKONGDIXIANGSHANGGUANZHU,LIYONGSHUINIJIANGDEFULIJIANGZUANKONGNIJIANGYACHUKONGWAI,ZHUJIANGSHIZHUYIGUANCHAKONGKOULIUCHUJIANGYEDEYANSE,DANGLIUCHUDEJIANGYEWEICHUNSHUINIJIANGSHI,JITINGZHIZHUJIANG。

  (2)ERCIFENDUANPILIZHUJIANGDIYICIZHUJIANGHOU10-12XIAOSHIKAISHIJINXINGDIERCIPILIEZHUJIANG,CAIYONGM30SHUINISHAJIANG。

  ①PILIEZHUJIANGGUANZHIZUOQUBIHOU2.0-2.5mmDEΦ22mmDUXINGANGGUAN,ZHANGDU1.5mHUO2.0mYIJIE,GANGHUAGUANYONGGUANJIETOULIANJIE,XIAYIJIEZHUJIANGJUDUANTOU0.5mFANWEINEIMEIHUAXINGBUZHICHUJIANGYAN,KONGJING5mm。

  MEIYIJIEDEZHANGDUGENJUHUADONGERWEIZHISHENDUQUEDING,SHIMEICITISHENGZHUJIANGGUANSHICHUJIANGKOUZAIYUXIANSHEDINGDEWEIZHI。

  ②KONGKOUPILIEZHUJIANGMIFENGYAGAIJIAGONGZHIZUOYONGHOU5mmDEGANGBAN,JIAGONGCHENGZHIJINGΦ130mmDEYUANPANZHUANGYAGAI,DUIJINGKAILIANGGEKECHUANGUOΦ12mmDEKONG,YUGANGGUANSHANGYAGAILUOMULIANJIEZUOWEIMIFENGGOUJIANZHONGJIANKAIYIGEKECHUANGUOΦ22mmGANGGUANDEKONG,QUYIJIEZHANGDU20cmDEΦ22mmZHONGGANGGUAN,LIANGDUANCHESIKOU,LIANGTOUDENGZHANGHANJIEZAIYAGAISHANGZAIGANGBANZHONGRENYIDIFANGKAIYIGEZHIJINGZHONGLUOSIKONG,PEIHAOLUOSHUAN,XIANZUOZHUJIANGSHIPAIQI,PAIQIHOUYONGLUOSHUANNINGJINMIFENG。

  YONGHOUDUDEYINGXIANGJIAOPI,GANGHUAGUANSHIGONGQIEGECHENGYUANHUANZHUANGMIFENG,DIANZAIYAGAIXIAZUOMIFENGYONG。