2012年8月下 施工技术、 第41卷第371期 CONSTRUCTION TECHNOLOCY 115 特殊地质条件下超长钢板桩插打施工技术 汤劲松，朱延翰2 (1.石家庄铁道大学土木工程学院，河北石家庄050043； 2.中铁十五局集团有限公司，河南洛阳471013) [摘要]以新建阜阳至六安铁路颖河特大桥深水基础30长的拉森Ⅳ型钢板桩围堰施工实践为例，探讨了穿越硬 塑粉质黏土层的超长钢板桩快速插打施工技术.实践表明，采用内部焊接工字钢的加强型钢板桩，通过原位反复 插打和小型机械引孔施工措施，解决了硬塑粉质黏土层中超长拉森Ⅳ型钢板桩的插打施工难题. [关键词]地下工程；桩；粉质黏土；超长钢板桩；插打施工；施工技术 [中图分类号]TU753.3[文献标识码]A [文章编号]1002-8498(2012)16-0115-03 Piling Construction of Super-long Steel Sheet Pile Under Special Geological Condition Tang Jinsong' Zhu Yanhan2 (1.School of Civil Engineering Shijiazhuang Tiedao University Shijiazhuang Hebei 050043 China; 2.China Railway 15th Bureau Group Co.Lid.Luoyang He'nan 471013 China) Abstraet:Taking 30m Larsen IV steel sheet pile cofferdam construction practice of deepwater foundation at Ying River bridge of Fuyang-Liu’an railway as a example the rapidly construction technology of super-long steel sheet pile passing through hard plastic silty clay layer is discussed.It is showed from eonstruction practice that piling construction problems of super-long Larsen IV steel sheet pile passing through hard plastic silty clay layer can be solved using measures by reinforced type steel sheet pile welding internal I-beam repeatedly piling in situ and drilling construction using minitype machine. Key words:underground;piles;silty clay;super-long steel sheet pile;piling construction;construction 钢板桩的插打施工质量影响到围堰结构的安在穿越硬塑粉质黏土层的施工过程中，由于硬塑粉 全和稳定，也影响到结构的防水效果，在整个钢板质黏土的侧摩阻力较大，其插打施工更为困难.本 桩围堰施工过程中占有重要地位.目前，关于钢板文以新建阜阳至六安铁路颍河特大桥深水基础30m 桩围堰施工技术的...
特殊地质条件下超长钢板桩插打施工技术.pdf
