矿山碎石库大直径混凝土灌注桩施工技术

The Big Diameter Concrete of the Mineral Mountain Crushed Stones Database Infuses to Note a Construction Technique

本工程施工时北京市定额还未有相关子目,针对矿山(或山区)大直径混凝土灌注桩施工特点,阐述深桩冲击钻成孔与中浅桩人工爆破挖孔相结合的施工技术在施工实践中的成功应用。通过本工程的施工补充了大直径混凝土灌注桩相关子目。本工程经过国家验收委员会验收,质量优良。

This text infuses to note a construction characteristics to big diameter concrete of the mineral mountain（ or mountain area）, elaborating the deep stake that the impact drill bore with the construction technique that an artificial blows up to dig the bore to combine together is in start construction practice of successful application, added the big diameter concrete to infuse to note a related subdivision through this engineering.This engineering checks before acceptance the committee to check before acceptance through nation, the quantity is good.