某民用住宅楼悬挑阳台顶板塌落事故原因分析  

Accident Reason Analysis of Cantilever Balcony Roof Collapsing in Civilian Residential Building

作　　者：马燚[1] 侯东序[1] 

机构地区：[1]沈阳市建设工程质量检测中心,辽宁沈阳110004

出　　处：《工程质量》2016年第8期46-50,共5页Construction Quality

摘　　要：民用住宅悬挑阳台事故多源于负弯矩钢筋下移导致的悬挑板倾覆,混凝土强度不足导致的悬挑板断塌,悬挑板厚度不足导致的受压区混凝土碎裂。通过对一例特殊因素导致的悬挑阳台事故进行调查,分析该工程悬挑阳台顶板发生塌落事故的原因,提出保证民用住宅悬挑阳台安全的建议。Accidents related to the cantilevered balcony happened frequently in recent years,most of which could be attributed to the moving down of negative reinforcements,the low concrete strength of cantilevered plates,or the concrete crushing related to insufficient thickness of cantilevered plates. The accidents resulted from other factors is rare. This paper provided an investigation of special accident of cantilevered balcony in detail. The causes of the cantilevered balcony accident were analyzed,and the suggestions to ensure the cantilevered balcony safety of residential buildings were proposed.

关 键 词：住宅 悬挑阳台 塌落 事故分析 

分 类 号：TU746.1[建筑科学—建筑技术科学]