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三、施工与施工监督我们共参观了十个施工工地,现综述如下: 1.钻孔灌注扩底墩钻孔灌注墩就是大直径的灌注桩,直径一般为2—3米,最大的还可超过3米,深度一般15—30米。STS公司做过的钻孔墩最深91米,最大直径5米。扩底墩,最大的可扩到墩身直径的三倍,扩大角度为30度至40度,也就是底直径可以达到10米。美国人把墩和桩区别开在结构上是有意义的,桩一般
III. Construction and Construction Supervision We visited a total of 10 construction sites. The summary is as follows: 1. Drilling and pouring The expanded pier is a large diameter cast-in-place pier with a diameter of 2-3 meters. More than 3 meters, depth is generally 15-30 meters. The drilling pier made by STS Company is the deepest 91 meters with a maximum diameter of 5 meters. Expanding the pier, the largest can be expanded to three times the diameter of the pier, the expansion angle of 30 degrees to 40 degrees, which is the bottom diameter can reach 10 meters. It makes sense for Americans to distinguish between piers and piles in terms of structure.