| 钢绞线、FRP筋预应力加固混凝土梁抗弯性能试验研究 |
| |
| 引用本文： | 陈尚建,刘海波,袁胜登,魏美光.钢绞线、FRP筋预应力加固混凝土梁抗弯性能试验研究[J].工业建筑,2008,38(8). |
| |
| 作者姓名： | 陈尚建 刘海波 袁胜登 魏美光 |
| |
| 作者单位： | 1. 武汉大学土木建筑工程学院,武汉,430072
2. 宝鸡华安建设工程监理有限公司,宝鸡,721300 |
| |
| 摘 要： | 纤维增强复合材料是一种新型的材料,对FRP筋材使用预应力的方式加固混凝土梁,是一种新兴的加固技术,可以有效地发挥FRP的高强性能。为了研究混凝土梁加固以后的抗弯性能,采用试验研究与理论分析相结合的方法,制作了12根混凝土梁试件,通过试验比较CFRP筋、BFRP筋和高强钢绞线3种预应力筋材的加固效果,包括开裂荷载、屈服荷载和极限承载力,对加固梁的裂缝开展、刚度提高以及破坏形式进行初步研究和探讨。
|
| 关 键 词： | 钢绞线 CFRP筋 BFRP筋 预应力加固 |
EXPERIMENTAL RESEARCH ON FLEXURAL BEHAVIOR OF REINFORCED CONCRETE BEAMS STRENGTHENED WITH STRAND OR PRESTRESSED FRP BAR |
| |
| Chen Shang-jian,Liu Hai-bo,Yuan Sheng-deng,Wei Mei-guang.EXPERIMENTAL RESEARCH ON FLEXURAL BEHAVIOR OF REINFORCED CONCRETE BEAMS STRENGTHENED WITH STRAND OR PRESTRESSED FRP BAR[J].Industrial Construction,2008,38(8). |
| |
| Authors: | Chen Shang-jian Liu Hai-bo Yuan Sheng-deng Wei Mei-guang |
| |
| Abstract: | A new composite material named Fiber Reinforced Polymer is used in the strengthening field of civil engineering widely.This new strengthened technology using prestress(called prestressed reinforcement) can availably develop the strong capacity of FRP.In order to know the mechanical characteristics of RC beam in bending capacity,experimental study and theoretical analysis are combined in the process of research.Twelve concrete beams reinforced by CFRP bar,BFRP bar and strand were made.The reinforced effects including cracking load,yielded load,ultimate load,development of crack,improvement on rigidity and destructive mode are compared and researched. |
| |
| Keywords: | strand CFRP bar BFRP bar prestressed reinforcement |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
