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(接第六期)施工要点施工准备要点①在施工前必须进行现场探勘,着重检查地质报告与现场实际情况是否吻合。对工程现场的地质状况进行认真研究和评估,是DPvP桩施工的首要条件。在正式施工前,应在具有代表性的地质区域内,在工程桩外进行试打桩施工,以检验桩机的机械性能及确定双管振沉各项施工参数。②施工场地地面应平整,排水通畅,坡度不宜大于1%。场地土
(Then the sixth period) Construction points Construction preparation points ① Before the construction site exploration must be conducted, focusing on checking the geological report and the actual situation is consistent. The geological conditions of the project site for careful study and assessment, is the first condition of DPvP pile construction. Before the formal construction, test piling construction should be carried out outside the engineering piles in the representative geological area in order to test the mechanical performance of the pile driver and determine the construction parameters of double-pipe vibration. ② The ground of the construction site should be smooth and the drainage should be smooth. The slope should not be larger than 1%. Site soil