湖北中南路桥有限责任公司
项目经理部 湖北省保宜高速公路一期土建工程BYYCTJ-03合同段
特殊路基施工方案
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（湖北省保宜高速公路一期土建工程BYYCTJ-03合同段）
湖北省保宜高速公路宜昌段第3合同段 专项施工方案 目 录
一、 编制依据与原则 ··········································································································· 1 1、相关标准、规范和施工图 ························································································· 1 2、编制原则 ····················································································································· 1 二、 工程概况 ························································································································ 1 三、 施工组织机构与施工计划 ··························································································· 2 1、 施工组织机构 ··········································································································· 2 2、 进度计划 ··················································································································· 2 3、 资源配置 ··················································································································· 2 四、 主要施工方案（特殊路基） ······················································································ 4 (一) 路基强夯施工 ··········································································································· 4 1. 2. 3. 4. 5. 6. 1.
强夯部位 ··············································································································· 4 强夯的标准 ··········································································································· 4 施工工序 ··············································································································· 4 施工要求和检测 ··································································································· 5 施工机械注意事项 ······························································································· 6 技术要点 ··············································································································· 6 清淤换填块片石施工 ··························································································· 9
(二) 软土路基 ··················································································································· 9 1) 施工准备 ··············································································································· 9 2) 清淤施工 ··············································································································· 9 3) 换填施工 ············································································································· 10 4) 注意事项 ············································································································· 11 5) 施工工艺流程 ····································································································· 11 2.
复合地基（粉喷桩）施工 ················································································· 11 1）施工准备 ··············································································································· 11 2）施工测量 ··············································································································· 12 3）粉喷桩施工 ··········································································································· 12 4）施工操作要点 ······································································································· 12 5）施工常遇问题及其排除方法 ··············································································· 13 6）、质量控制 ············································································································· 15 (三) 低填浅挖路基处理 ································································································· 16
湖北中南路桥有限责任公司 — I — 湖北省保宜高速公路宜昌段第3合同段 专项施工方案 五、工程质量保证体系和保证措施 ···················································································· 16
（一）质量保证体系 ································································································· 16 （二）质量保证措施 ································································································· 20 1、试验工作的质量保证措施 ················································································· 20 2、测量工作的质量保证措施 ················································································· 20 3、施工测量监控 ······································································································ 20 4、路基施工质量保证措施 ····················································································· 21 5、粉喷桩质量保证措施 ························································································· 24 6、清淤回填质量保证措施 ····················································································· 25 六、工期的保证措施 ············································································································· 26
1、进度保证体系 ······································································································ 26 2、工期保证措施 ······································································································ 27 七、安全保证体系和保证措施 ····························································································· 28
（一）安全保证体系································································································ 28 （二）安全保证措施································································································ 29 1、现场保证措施 ······································································································ 29 2、施工机械的安全措施 ························································································· 30 八、冬季和雨季的施工措施 ································································································· 32 （一）冬季施工措施 ·································································································· 32 1、气候特点与施工安排 ························································································· 32 2、冬季施工技术措施 ····························································································· 32 （二）雨季施工措施································································································ 32 1、掌握天气预报的气象趋势及动态 ···································································· 32 2、合理安排施工 ······································································································ 33 3、施工现场做到排水畅通 ····················································································· 33 4、路基土石方施工 ·································································································· 33 九、环保、水土保持目标与措施 ························································································ 34
1、环保目标 ·············································································································· 34 2、 成立环保、水土保持工作小组 ······································································ 34 3、环保、水土保持措施 ··························································································· 34
湖北中南路桥有限责任公司 — II — 湖北省保宜高速公路宜昌段第3合同段 专项施工方案 特殊路基施工方案
一、 编制依据与原则
1、相关标准、规范和施工图
（1）招标文件、两阶段施工图设计、实施性施工组织设计； （2）施工调查及现场勘察资料；
（3）《公路工程质量检验评定标准》（JTG F80/12004）； （4）《公路路基施工技术规范》（JTG_F102006）； （5）《公路工程施工安全技术规程》（JTJ076—95）；
（6）《湖北省高速公路建设标准化指导意见（安全生产管理）》 ； （7）法律、法规对质量、水土保持、环境保护、安全管理的规定； （8）我单位从事类似工程的施工经验及资源情况。 2、编制原则
（1）严格遵守招标文件明确的设计规范，施工规范和质量评定验收标准。
（2）坚持技术先进性，科学合理性，经济适用性，安全可靠性与实事求是相结合。 （3）对施工现场坚持全员、全方位、全过程严密监控，动态控制，科学管理的原则。
二、 工程概况
本标段为湖北保宜高速公路宜昌段BYYCTJ3合同段，本合同段路线起点（K95+800）位于远安镇金家冲，与第2合同段的终点相接。终点设在花林寺镇高楼村，桩号为K109+281.698，路线全长13.481Km。
线路内工程地质岩类以沉积岩为主，岩性相对单一，以碎屑岩为主，局部出露碳酸盐岩，岩组条件较简单。本项目属东部江汉平原向鄂西部山区的过渡地带，区内沟壑纵横，水系较发育，水土保持较好。地形平坦，通行较为方便。
地貌区显示河流、盆地地貌，出露地层为白垩系紫褐红色厚层砂岩、砂砾岩、砾岩、泥岩、钙质泥灰岩，其地貌形态近似，切割较浅，形态显示浑圆状，山坡略凸，沟谷呈“U”型。
我标段有特殊路基：清淤排水处理路段245m，排水5164 方，清除淤泥3356方，回填碎石3106方，回填碎石土4814方；低填路基处理475m，回填碎石或砂砾9925
湖北中南路桥有限责任公司 — 1 —