砌块式挡土结构受力分析及其设计计算

提出一种新型H型砌块挡土墙结构,对其结构体系及组成进行了概述。在此基础上,利用Marc大型有限元程序对砌块单元进行了受力分析,并对挡墙的整体设计计算及稳定性分析方法进行了探讨。分析结果与工程实用经验表明,该文所设计的H型砌块能充分利用材料的抗压性能,其具有施工速度快、排水性能良好、可承受一定的沉降量及沉降差等优点,可考虑批量生产,并予以推广应用。

Analysis and Design of Concrete-block Resisting Structure

A new type of retaining wall constructed with interconnected H-type c oncrete block is proposed and the structure composition of such a wall type int roduced as well. Then, the behavior of concrete block unit is analyzed by using finite element program Marc.Based on the characteristics of single conc rete block, the calculation and stability analysis methods of the wall are discu ssed and relevant formulae are provided. Application and analysis results of thi s kind of wall structure in engineering examples indicated that H-type block retaining wall is worth popularizing in practice.Because of the favorable compressive property of H-type block and other advantages including proper drainage,large allowable displacements or differential settlements and ease construction techniques.