中美规范板桩墙入土深度计算方法对比  

Comparison on calculation method of embedded depth of sheet pile wall in Chinese and American specifications

作　　者：蔡伟[1] 巴蕾 CAI Wei;BA Lei(CCCC Water Transportation Consultants Co.,Ltd.,Beijing 100007,China)

机构地区：[1]中交水运规划设计院有限公司,北京100007

出　　处：《水运工程》2018年第11期187-192,共6页Port & Waterway Engineering

摘　　要：针对板桩码头入土深度计算问题,不同规范对入土深度的确定不尽相同。通过对比中国规范JTS 167-3—2009与美国陆军工程兵团工程设计手册EM 1110-2-2504中的板桩墙入土深度的计算方法,得出板桩计算时关于土压力、土体强度指标参数、外摩擦角、有锚及无锚板桩土压力分布模式与计算方法的异同,并通过典型工程实例说明按两国规范进行入土深度计算的具体步骤和差异。结果表明,入土深度受土质条件影响较大,入土长短呈一定趋势但没有明确定论,但受墙前土内摩擦角及黏聚力的影响程度不同。Aiming at the problem of the calculation method of sheet pile embedded depth,the calculation method is different in different codes.We carry out a comparative study for the calculation method of embedded depth in Chinese code JTS 167-3-2009 and the US Engineer Corps Engineers design manual EM1110-2-2504,which analyzes the similarities and differences on earth pressure,shear strength parameters of the soil,angle of wall friction,distribution modes and calculation method of earth pressure of anchored wall and cantilever wall.We illustrate the difference in design steps and results according to the two codes by a typical project example.The results show that,the embedded depth is greatly affected by soil conditions to tend to a certain extent but there is no definite conclusion,and the influence degree of soil friction angle and cohesion in front of the wall is different.

关 键 词：中国规范 美国手册 板桩墙入土深度 土压力 

分 类 号：U656.12[交通运输工程—港口、海岸及近海工程] U652.72[交通运输工程—船舶与海洋工程]