某某工挖孔桩施工方案改终

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1、目录1、工程概况···················································21.1工程概括·················································21.2人工挖孔桩概况·············································21.3工程地质情况··············································51.4施工要求·································

2、··················81.5工程施工的特点及难点·····································81.6技术保证条件············································92、编制依据················································93、施工计划·················································103.1施工进度计划························

3、·····················103.2材料进度计划············································103.3主要施工机具计划表······································11334、施工工艺技术············································124.1施工工艺流程············································124.2施工方法·····················

4、···························134.3检查验收················································195、施工安全保证措施········································215.1组织保障················································215.2安全技术措施···········································225.3应急预案·············

5、··································265.4监测监控·················································306、劳动力计划···············································317、相关图纸········································327.1施工现场总平面布置图7.2施工进度横道图7.3部分桩位柱状图7.4孔桩编号布置平面及排水示意图337.5孔桩大样图（包括护壁、桩顶护筒、

6、孔桩桩身）7.6排水沟大样图1、工程概况1.1工程概括*****工程位于龙里县龙山镇贵新联络线东侧。本工程由****房地产开发公司，*****建筑设计有限公司设计，******监理有限责任公司监理，第三建筑工程有限责任公司总承包施工；工程地质由***建筑勘察设计有限公司勘察。本工程总建筑面积为86829.21m2。结构形式为框架剪力墙结构，-4F+28+1F层，其中地上面积61129.63m2,地下建筑面积30789.05平方。1.2人工挖孔桩概况本工程桩基采用人工挖孔桩,7#~9#楼桩总根数为184根,桩身混凝土强度等级为C30，

7、根据地勘资料、设计图纸，孔桩桩径、桩深如下表所示：栋号序号自编桩号桩径(M)d按地勘桩长(M)备注7#~9#期连接体1ZK-2701.015.82ZK-2711.014.8有溶洞3ZK-2721.014.34ZK-2731.015.25ZK-2741.015.76ZK-2751.014.27ZK-2761.82×1.0(椭圆形孔长边×短边)14.38ZK-2401.012.8339ZK-2411.014.810ZK-2421.013.611ZK-2431.013.912ZK-2441.014.313ZK-2451.82×1.0(椭圆

8、形孔长边×短边)14.214ZK-2101.013.515ZK-2111.013.616ZK-2121.015.2有溶洞17ZK-2131.014.218ZK-2141.014.719ZK-2151.82×1.0(椭圆形孔长边×短边)