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粘钢加固钢筋混凝土轴心受压构件中粘钢利用程度及承载力研究
引用本文:沈蒲生,谭宇昂.粘钢加固钢筋混凝土轴心受压构件中粘钢利用程度及承载力研究[J].湖南大学学报(自然科学版),2004,31(3):59-61,89.
作者姓名:沈蒲生  谭宇昂
作者单位:湖南大学,土木工程学院,湖南,长沙,410082
基金项目:教育部高等学校博士学科点专项基金项目(No.20020532010)
摘    要:在粘钢加固的钢筋混凝土结构轴心受压柱中,粘钢的利用程度和承载力与初始加载大小、粘钢种类以及混凝土强度等级有关,本文根据我国《混凝土结构设计规范》(GB50010—2002)中假定的混凝土应力-应变关系和极限应变值,推导了粘钢能被充分利用的界限条件,并且提出了粘钢加固钢筋混凝土轴心受压柱承载力计算公式.

关 键 词:钢筋混凝土  轴心受压柱  粘钢加固  粘钢利用程度  承载力  计算
文章编号:1000-2472(2004)03-0059-03

Utilization Level and Bearing Capacity of Externally Bonded Steel Plates in Axially Loaded Reinforced Concrete Columns
SHEN Pu-sheng,TAN Yu-ang.Utilization Level and Bearing Capacity of Externally Bonded Steel Plates in Axially Loaded Reinforced Concrete Columns[J].Journal of Hunan University(Naturnal Science),2004,31(3):59-61,89.
Authors:SHEN Pu-sheng  TAN Yu-ang
Abstract:The utilization level and bearing capacity of externally bonded steel plates in axially loaded reinforced concrete columns depend on the first loaded value, type of externally bonded steel plate and strength of concrete. Based on the stress-strain relationship and limit strain value of concrete presented in Chinese "Code for Design of Concrete Structures" (GB 50010-2002), the boundary conditions of the full utilization of the externally bonded steel plates were derived and the formulas of bearing capacity of the axially loaded reinforced concrete columns strengthening by externally bonded steel plates were proposed.
Keywords:reinforced concrete  axially loaded columns  strengthening by externally bonded steel plates  utilization level of externally bonded steel plates  bearing capacity  calculation
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