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目前交通部部颁公路预算定额中直径3m以下钻孔灌注桩定额子目最大孔深为100m,缺少桩长100m以上子目,给大跨径桥梁工程的正确计价带来难度。文章依托在建的跨黄河大桥超长钻孔桩的施工,阐述了桩径2m、孔深100m以上钻孔灌注桩的补充预算定额编制过程以及最终成果。旨在为山东公路工程超长桩预算的编制和建设单位投资控制提供计价依据,同时也为公路监理、施工等单位提供计价参考。
Currently, the Ministry of Communications of the Ministry of Road budget quotas in the diameter of 3m below the maximum hole depth of 100m for bored piles, the lack of pile length of 100m or more, to the correct pricing of large-span bridge project difficult. Based on the construction of the super-long bored piles under construction across the Yellow River Bridge, the article elaborates the compilation of the supplementary budget and the final result of bored piles with diameter of 2m and depth of more than 100m. The purpose of this project is to provide the pricing basis for the preparation and construction unit investment control of the Shandong Highway Project super long pile, as well as for the highway supervision and construction units.