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既有挡墙预防性利旧加固设计和应用

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既有挡墙存在质量缺陷、材料劣化及构件损伤时,在进行改造、扩建及使用环境改变时,或达到设计使用年限时,存在安全隐患需进行加固处理.文中通过定性和定量的判断既有挡墙的稳定性,通过分析原挡墙的残余有效抗力,进而计算出新增支护结构所需的抗力,得出挡墙预防性利旧加固设计方案,为此类挡墙加固设计提供参考.
DESIGN AND APPLICATION OF PREVENTIVE REINFORCEMENT OF EXISTING RETAINING WALLS
Existing retaining walls are subjected to quality defects,material degradation,and component damage.As the walls reach the design service life,they are need to be reinforced when renovation,expansion,and environ-mental changes.In the article,the stability of existing retaining walls is judged qualitatively and quantitatively.By analyzing the residual effective resistance of the original retaining wall,the resistance required for the new support structure is calculated,and a preventive reinforcement design scheme for retaining walls is obtained,providing refer-ence for the reinforcement design of such retaining walls.

retaining wall reinforcement designuse old designsresidual effective resistance

朱经龙、修彦吉

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四平市物业管理中心,吉林四平 136000

中铁十五局集团有限责任公司,上海 200235

挡墙加固设计 利旧设计 残余有效抗力

2024

低温建筑技术
黑龙江省寒地建筑科学研究院

低温建筑技术

影响因子:0.237
ISSN:1001-6864
年,卷(期):2024.46(5)