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瑞金钢护桶长租

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瑞金钢护桶长租

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赣州钢护桶出租厂家


钢护桶

  钢护桶就是在进(jin)行人工(gong)挖(wa)孔(kong)桩的(de)过(guo)程(cheng)中,由(you)于土质不稳定(ding),施(shi)(shi)工(gong)钢筋(jin)混凝土护壁(bi)存在较大难度所以采(cai)用钢质的(de)护壁(bi)对孔(kong)桩进(jin)行保护,防止(zhi)塌孔(kong)避免影响施(shi)(shi)工(gong)进(jin)度及(ji)安全。钢护筒就是根据孔(kong)桩的(de)大小用铁皮箍(gu)成的(de)一个(ge)圆形的(de)两头都是空的(de)桶。能稳定(ding)孔(kong)壁(bi),防止(zhi)坍孔(kong),还可(ke)以隔离(li)地(di)表水(shui),导向钻头,固定(ding)桩位,保护操作原(yuan)地(di)面(mian)等(deng)作用。

  在(zai)钻孔灌注桩中(zhong)(zhong),常埋(mai)设(she)钢(gang)护(hu)(hu)(hu)(hu)筒(tong)来定位(wei)需(xu)要(yao)钻的(de)(de)桩位(wei)。护(hu)(hu)(hu)(hu)筒(tong)为钢(gang)护(hu)(hu)(hu)(hu)筒(tong),壁厚10mm,护(hu)(hu)(hu)(hu)筒(tong)定位(wei)时(shi),先以桩位(wei)中(zhong)(zhong)心(xin)为圆心(xin),根(gen)据护(hu)(hu)(hu)(hu)筒(tong)半径在(zai)土上定出(chu)护(hu)(hu)(hu)(hu)筒(tong)位(wei)置,护(hu)(hu)(hu)(hu)筒(tong)就位(wei)后(hou)(hou),施(shi)加(jia)压(ya)力将护(hu)(hu)(hu)(hu)筒(tong)埋(mai)入(ru)约50cm。如下压(ya)困难,可先将孔位(wei)处的(de)(de)土体挖出(chu)一部分(fen),然后(hou)(hou)安(an)放护(hu)(hu)(hu)(hu)筒(tong)埋(mai)入(ru)地下。在(zai)埋(mai)入(ru)过程(cheng)中(zhong)(zhong)应检查护(hu)(hu)(hu)(hu)筒(tong)是否垂直,若发现(xian)(xian)(xian)偏斜,应及时(shi)纠正(zheng)。陆(lu)上护(hu)(hu)(hu)(hu)筒(tong)埋(mai)放就位(wei)后(hou)(hou),将护(hu)(hu)(hu)(hu)筒(tong)外(wai)侧用粘土回填压(ya)实,以防止护(hu)(hu)(hu)(hu)筒(tong)四周出(chu)现(xian)(xian)(xian)漏(lou)水(shui)现(xian)(xian)(xian)象,回填厚度(du)约40-45cm,顶(ding)端高(gao)度(du)高(gao)出(chu)(水(shui)面)地面0.4-0.6m, 筒(tong)位(wei)距(ju)孔心(xin)偏差不得大(da)于(yu)50mm。












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