软土地区深基坑支撑爆破施工技术

结合深基坑所处工程环境和围护结构特点，在确认爆破拆除优于人工拆除的方案选择基础上，详细介绍了不同部位炮孔布置、成孔方式、炸药量计算、装药、填塞和起爆网路设计、爆破作业安全评估、环境和安全保证措施，结果表明该爆破方法保证了工程进度和施工安全。

Brace blasting construction technology of deep foundation pit in the soft ground areas

Combining with the features of the building envelope and project environment of deep foundation,and based on the confirmation that the scheme selection prefers blasting demolition to the manual demolition,the thesis introduces in details the blast-hole arrangement of different parts,hole making ways,explosive amount calculation,charging,packing,design of firing circuit,blasting operation safety assessment,guarantee measures of environment and safety.The results prove the blasting ways assure the project pro...