請教關於基樁的問題。 - 土木
By Edwina
at 2009-02-16T19:39
at 2009-02-16T19:39
Table of Contents
各位前輩好,請教一個關於基樁的問題。
由於我目前在顧問公司工作,在某一個案子中。
設計的技師設計基樁為60CM的全套管式基樁。
技師的設計全套管的原因為此土層N質大於50,且為卵礪石層。
為避免造成崩孔、基樁品質不佳,故採用全套管式基樁。
但此案子發包出去後,營造廠說他們找不到60CM基樁之抓斗機。
故我們的回應是取土的方式可用螺旋鑽頭或岩心夾(較適合卵礪石層之方式)。
但營造廠說此土層裡頭有大於60CM的石塊。螺旋鑽頭無法施作。
可是不是用鑽石鑽頭就可以破壞石塊?
請問各位,真的沒有工程案例是60CM全套管的嗎?
技師說,捷運南港段,中華顧問設計的段落即為60CM全套管。還有別的案例嗎?
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