施工技术 2014年10月上 24 CONSTRUCTION TECHNOLOGY 第43卷第19期 D01:10.7672/sgjs2014190024 地基沉陷导致房屋局部损坏的检测及加固处理 * 郭昭胜,崔娟玲 (太原理工大学建筑与土木工程学院,山西太原030024) [摘要]对因地基突然沉陷导致的砖混房屋局部损坏情况进行了全面检测,基于地质勘察数据分析,指出未勘明的 潜伏冲沟是造成地基突然沉陷的根本原因,土体浸水是致使地基突然沉陷的诱因.在采用压力注浆法对地基土进 行加固后,针对出现损坏的墙体和基础,采用墙体面层加固法及改条基为筏基的方法进行处理,取得了良好的 效果. [关键词]地基;加固;沉陷;开裂;检测:压力注浆 [中图分类号]TU472 [文献标识码]A [文章编号]1002-8498(2014)19-0024-05 Inspection and Strengthening Treatment of Local Damage in Building Caused by Foundation Settlement Guo Zhaosheng Cui Juanling College of Architecture and Civil Engineering Taiyuan University of Technology Taiyuan Shanxi 030024 China) Abstract:Comprehensive inspection of local damage in building caused by abrupt foundation settlement is carried out.According to the investigation of geotechnical engineering unknown under drain in field is the basic reason of abrupt foundation settlement water infiltration is incentive of abrupt foundation settlement.In order to ensure the normal function of structure reasonable methods of reinforcement housings such as pressure-grouting method masonry strengthening with mortar splint transforming strip foundation to raft foundation are proposed.The project of reinforcement construction has good results. Key words:foundations;strengthening;settlement;cracks;detection;pressure grouting 0引言 道工程施工引发的附近地面塌陷、地面沉降变形等 地基不均匀沉降是造成基础及房屋上部结构 地质灾害原因,致使房屋梁、柱构件开裂的案例,在 出现变形、开裂等损伤的主要原因之一.地基不均 检测鉴定的基础上,采取了增大截面加固法、外包 匀沉降的变形速率也直接影响到上部结构的损伤 钢加固法和粘贴碳纤维加固法等合理加固方法,取 程度.当地基变形速率较小时,沉降缓慢发生,上 得了良好的效果.针对某多层砖混...
地基沉陷导致房屋局部损坏的检测及加固处理.pdf
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