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中国水利水电八局长沙基地 410118 挡土墙倒塌的原因,有地基基础承载能力不够所造成,有施工质量低劣所造成,亦有墙体体型设计不合理所造成;或者是以上几种原因皆而有之。现就一挡土墙倒塌事故为例,详细分析倒塌原因,并介绍事后所采取的施工技术措施,以期对提高挡土墙工程质量有所借鉴。 1 事故简介 中国水利水电八局长沙基地医院小区浆砌石挡土墙,座落在长沙县暮云镇南塘村,于1989年年底建成,在1992年3月22日暴雨后倒塌。倒塌段墙长40m,拉裂东墙段10m、西墙段8.5m。倒塌后的破坏面距基础顶面只有2～2.5m,最深处达14.8m;坍塌土方约5000m~3,破坏浆砌石基础和墙体900m~3。
The cause of the collapse of the retaining wall at Changsha Base 410118 of the China Water Conservancy and Hydropower Bureau was caused by the insufficient carrying capacity of the foundation foundation, due to the poor construction quality, and the unreasonable design of the wall body, or the above reasons. There is. Take the collapse of a retaining wall as an example, analyze the reasons for the collapse in detail, and introduce the construction technology measures taken afterwards, in the hope of drawing lessons from improving the quality of the retaining wall project. 1 Introduction to the accident China’s Water Resources and Hydropower Bureau, Changsha Base Hospital, a residential masonry retaining wall, is located in Nantang Village, Jinyun Town, Changsha County. It was completed at the end of 1989 and collapsed after heavy rain on March 22, 1992. The length of the collapsed section is 40m long, and the eastern section is 10m and the western section is 8.5m. After the collapse, the damage surface distance is only 2 to 2.5m from the base top surface, and the maximum depth is 14.8m; the collapsed earthwork is about 5000m~3, and the mortar masonry foundation and wall are destroyed by 900m~3.