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在伟大领袖毛主席亲自主持制定的“鼓足干劲,力争上游,多快好省地建设社会主义”总路线的光辉指引下,二处一队广大建桥职工,在建造蚌埠淮河大桥引桥01、02、03号墩时,借用上海市政公司的跃进型钻孔机、并在他们的指导下,做成钻孔桩基础。施工进度较快,与打桩基础相比,造价大大节约。现将跃进型钻孔机结构性能、钻孔桩的施工及其承载能力等分述如下: (一) 跃进型钻孔机结构、性能跃进型钻孔机主要由蜗杆(11)、蜗轮(9)、轴(4)、小齿轮(3)、大齿轮(6)、钻杆套(7)、
Under the glorious guidance of the general leader Chairman Mao Zedong personally formulating the general line of “building a society full of energy, speeding up the construction of socialism”, the two teams of a large number of bridge construction workers are constructing the Huaihe Bridge Approach Bridges 01 and 02, 03 pier, the borrowing of Shanghai Municipal Company’s leap-forward drilling machine, and under their guidance, made of bored pile foundation. Construction progress faster, compared with the piling foundation, cost savings. Now the performance of the leap-forward drilling machine, the construction of the bored pile and its carrying capacity are as follows: (1) The structure of the leap-forward drilling machine, the performance The leap-forward drilling machine is mainly composed of the worm (11), the worm wheel ), Shaft (4), pinion (3), gear (6), drill rod sleeve (7),