试题与答案

下述关于管棚施工工艺要求中,正确的有()。A.钻孔开始前,把钢管放在标准拱架上,测定

题型:多项选择题

题目:

下述关于管棚施工工艺要求中,正确的有()。

A.钻孔开始前,把钢管放在标准拱架上,测定钻孔孔位和钻机的中心,使两点一致。B.钢管应用U形螺栓与拱架稍加固定,以防止弯曲

C.应每隔1.5M对正在钻进的钻孔进行弯曲测定检查

D.钢管打入随钻孔同步进行,接头应采用厚壁管箍,上满丝扣,确保连接可靠

E.钢管打入后,应及时隔孔向钢管内及周围压注水泥浆或水泥砂浆

答案:

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