高压输电隧道盾构始发端头高压旋喷桩土体加固施工方案pdf

高压输电隧道盾构始发端头高压旋喷桩土体加固施工方案地基处理施工方法：高压喷射注浆法地基类型：高压喷射注浆地基地基处理施工方法质量检测：复合地基载荷试验地基处理施工详图、示意图：10张以上地基处理施工方案编制时间：2010年资料目录 一、编制依据及范围........................................................2 1.1 编制依据.............................................................2 1.2 编制范围.............................................................2 二、工程地质及水文地质....................................................2 2.1工程地质..............................................................2 2.2 水文地质..............................................................4 三、端头加固方案..........................................................5 四、施工部署..............................................................7 4.1 组织机构.............................................................7 4.2 现场布置.............................................................7 4.3 施工安排.............................................................8 4.4 工期安排.............................................................8 4.5 劳动力计划...........................................................8 4.6 设备配置.............................................................8 五、旋喷桩施工............................................................9 5.1施工准备..............................................................9 5.2工艺流程..............................................................9 5.3旋喷桩施工...........................................................10 5.4质量控制.............................................................11 六、袖阀管注浆施工.......................................................13 6.1、施工方法和步骤......................................................14 6.2、注浆主要参数........................................................14 6.3、施工注意事项........................................................15 七、安全环保措施.........................................................16 7.1 安全措施.............................................................16 7.2 文明施工及环境保护措施...............................................18 八、端头地质柱状图.......................................................20 8.1、附图1:B8孔钻孔柱状图；.............................................20 8.2、附图2: B9孔钻孔柱状图..............................................21内容简介三、端头加固方案
始发端头加固方案为三重管旋喷桩与袖阀管注浆相结合的方式加固水平长度为8m、宽度为洞门直径加左右各2m