喷锚及土方工程施工组织设计

一、工程概况
   拟建高层商住楼，地下室3层，地上31层。占地面积约12000m2。
   基坑南北边长85m，东西边长135m，周长约440m，基坑开挖深度12m。
基坑采用锚杆喷射混凝土支护方案，由广东省轻纺工业设计院设计。东、
南边布置锚杆9排，不施加预应力；西、北边布置锚杆10排，其中第3、5、
7排锚杆施加预应力。混凝土面层厚150，局部施加预应力处厚200。
二、场地地质条件
   根据地质工程公司提供的工程地质报告，场地地
Shotcrete and earthwork construction organization design

First, project survey
   The proposed high-rise commercial and residential, basement 3 floors, the ground layer 31. Covers an area of about 12000m2.
   North and south side of pit 85m, what side 135m, weeks about 440m, excavation depth of 12m.
Sprayed concrete foundation with anchor support program, by the Guangdong Textile Industry Design Institute. East,
9 row layout anchor the south, not prestressed; West, the north anchor arrangement 10 rows, the first of which 3,5,
7 prestressed bolt row. 150 thick concrete surface, partial prestressed Department thick 200.
Second, geological conditions
   According to geological engineering company providing engineering geology report, the venue to