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瑞金钢护桶出租厂家

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赣州钢护桶出租价格

  钢护桶

  钢护桶(tong)就是(shi)在进(jin)行人工(gong)(gong)挖孔(kong)(kong)桩(zhuang)(zhuang)的(de)过程(cheng)中,由(you)于(yu)土质不稳定,施(shi)工(gong)(gong)钢筋(jin)混(hun)凝土护壁存在较(jiao)大(da)难度所以采(cai)用(yong)钢质的(de)护壁对孔(kong)(kong)桩(zhuang)(zhuang)进(jin)行保护,防止塌孔(kong)(kong)避免(mian)影(ying)响施(shi)工(gong)(gong)进(jin)度及安全。钢护筒(tong)就是(shi)根据孔(kong)(kong)桩(zhuang)(zhuang)的(de)大(da)小(xiao)用(yong)铁皮箍成的(de)一个圆形的(de)两头都是(shi)空的(de)桶(tong)。能稳定孔(kong)(kong)壁,防止坍(tan)孔(kong)(kong),还可以隔离地(di)表(biao)水,导向钻头,固定桩(zhuang)(zhuang)位,保护操作原地(di)面(mian)等作用(yong)。

  在(zai)钻孔(kong)灌注桩中(zhong),常埋设钢(gang)护(hu)(hu)(hu)(hu)筒(tong)(tong)(tong)来定位(wei)(wei)(wei)需(xu)要钻的桩位(wei)(wei)(wei)。护(hu)(hu)(hu)(hu)筒(tong)(tong)(tong)为钢(gang)护(hu)(hu)(hu)(hu)筒(tong)(tong)(tong),壁厚(hou)10mm,护(hu)(hu)(hu)(hu)筒(tong)(tong)(tong)定位(wei)(wei)(wei)时,先以桩位(wei)(wei)(wei)中(zhong)心为圆心,根据护(hu)(hu)(hu)(hu)筒(tong)(tong)(tong)半(ban)径在(zai)土上定出护(hu)(hu)(hu)(hu)筒(tong)(tong)(tong)位(wei)(wei)(wei)置,护(hu)(hu)(hu)(hu)筒(tong)(tong)(tong)就位(wei)(wei)(wei)后(hou),施加压力将(jiang)护(hu)(hu)(hu)(hu)筒(tong)(tong)(tong)埋入(ru)(ru)约50cm。如下压困难,可先将(jiang)孔(kong)位(wei)(wei)(wei)处的土体挖出一(yi)部(bu)分(fen),然后(hou)安放护(hu)(hu)(hu)(hu)筒(tong)(tong)(tong)埋入(ru)(ru)地(di)(di)下。在(zai)埋入(ru)(ru)过程中(zhong)应检查护(hu)(hu)(hu)(hu)筒(tong)(tong)(tong)是否垂直(zhi),若发现(xian)(xian)偏斜,应及时纠正。陆(lu)上护(hu)(hu)(hu)(hu)筒(tong)(tong)(tong)埋放就位(wei)(wei)(wei)后(hou),将(jiang)护(hu)(hu)(hu)(hu)筒(tong)(tong)(tong)外侧用粘土回填压实,以防止(zhi)护(hu)(hu)(hu)(hu)筒(tong)(tong)(tong)四周出现(xian)(xian)漏(lou)水(shui)现(xian)(xian)象,回填厚(hou)度约40-45cm,顶(ding)端高度高出(水(shui)面(mian))地(di)(di)面(mian)0.4-0.6m, 筒(tong)(tong)(tong)位(wei)(wei)(wei)距(ju)孔(kong)心偏差不(bu)得大于50mm。

  

  

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