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重慶建筑加固 鋼樁加固
來源:   發布時間:2018-02-07 08:55   次瀏覽
重慶建筑加固 鋼樁加固 施工中加固公司要隨時校正樁的垂直度,記錄壓樁力與相應沉降,到達設計

重慶建筑加固 鋼樁加固

施工中(zhong)加固公司要隨時校正樁(zhuang)(zhuang)(zhuang)的垂(chui)直度,記錄壓(ya)樁(zhuang)(zhuang)(zhuang)力與(yu)相應沉降,到達設(she)計深度后(hou),拆除(chu)千斤頂。對鋼(gang)樁(zhuang)(zhuang)(zhuang)如工程要求,在鋼(gang)管(guan)內澆(jiao)020微膨(peng)脹早強混(hun)凝土,用C30混(hun)凝土將鋼(gang)樁(zhuang)(zhuang)(zhuang)與(yu)基礎(chu)(chu)澆(jiao)成整體。對混(hun)凝土樁(zhuang)(zhuang)(zhuang)澆(jiao)C30微膨(peng)脹早強混(hun)凝土將樁(zhuang)(zhuang)(zhuang)與(yu)基礎(chu)(chu)澆(jiao)成整體。

為了消除拆除千(qian)(qian)(qian)斤(jin)(jin)頂(ding)(ding)后樁(zhuang)(zhuang)(zhuang)身卸(xie)載(zai)回彈,在(zai)建筑物荷載(zai)傳到樁(zhuang)(zhuang)(zhuang)上后再沉降,在(zai)拆千(qian)(qian)(qian)斤(jin)(jin)頂(ding)(ding)前(qian)先在(zai)鋼(gang)墊板上安裝兩(liang)個同噸位的預壓(ya)用的千(qian)(qian)(qian)斤(jin)(jin)頂(ding)(ding),施(shi)加1.5倍設計荷載(zai),坑式靜(jing)壓(ya)預制樁(zhuang)(zhuang)(zhuang)托換穩(wen)定后撤(che)出(chu)(chu)樁(zhuang)(zhuang)(zhuang)頂(ding)(ding)千(qian)(qian)(qian)斤(jin)(jin)頂(ding)(ding),用工字鋼(gang)代替,用鋼(gang)楔打緊此時兩(liang)側千(qian)(qian)(qian)斤(jin)(jin)頂(ding)(ding)網步卸(xie)荷至零,然(ran)后取出(chu)(chu)兩(liang)臺千(qian)(qian)(qian)斤(jin)(jin)頂(ding)(ding),對(dui)鋼(gang)管的上下兩(liang)端周邊進行電焊,再澆注(zhu)混凝土。