碳纤维增强混凝土梁的受剪特性试验研究--毕业设计论文.docx

xx 工 程 学 院毕 业 设 计 论 文 作 者：xx学 号：院 系：建筑工程学院专 业：土木工程（建筑工程）题 目：碳纤维增强混凝土梁的受剪特性试验研究 指导者：xx 副教授 评阅者：讲师年 6月 xx毕业设计论文中文摘要 本毕业设计是针对碳纤维增强混凝土梁进行的试验研究与对比分析。实验方案：适筋梁设计3根，正常测试1根，碳纤维布加固测试2根；少筋梁设计3根，正常测试1根，碳纤维布加固测试2根；超筋梁正常测试1根。本论文主要是针对适筋梁和少筋梁的研究，分别探究贴一层、两层碳纤维布与无碳纤维布增强混凝土梁受剪承载力的对比试验。研究内容包括：（1）分析混凝土强度及钢筋的弹性模量、屈服强度、极限强度；（2）侧重研究荷载位移曲线、主筋应力，应变，裂缝开展，斜裂缝开裂荷载，箍筋屈服荷载，极限荷载；（3）研究碳纤维增强混凝土梁的正截面抗弯承载力计算；（4）受压区混凝土压碎理论计算；（5）整理实验数据且对数据进行曲线图的分析。关键词：碳纤维布；抗剪加固；混凝土梁；试验研究；对比分析毕业设计论文外文摘要Title：Experimental study on shear behavior of concrete beams strengthened with carbon fiberAbstract：This graduation design is according to the experimental research and contrast analysis of carbon fiber reinforced concrete beams. The experiment scheme: appropriate reinforcement beam design 3 test 1 and test 2 strengthened by carbon fiber sheet; reinforced beam design 3 test 1 and test 2 root strengthened by carbon fiber cloth; over reinforced beam normal test 1.This paper is mainly aimed at the study of the beam and the reinforcement of the beams, respectively, to explore the oblique attached to one layer, two layers of carbon fiber cloth and carbon fiber cloth reinforced concrete beam shear bearing capacity of the comparative test:(1) analysis of concrete strength and elastic modulus of reinforcement, yield strength, ultimate strength;(2) Focuses on the study of load displacement curve, the main reinforcement stress, strain, crack, diagonal cracking load, stirrup yield load, ultimate load;(3) study on the flexural capacity of concrete beams strengthened with carbon fiber reinforced concrete beams;(4)Theoretical calculation of concrete crushing in compression zone ;(5) organize the experimental data and analyze the data.Key words: carbon fiber cloth; shear strengthening; concrete beam; experimental study; comparative analysis目 录第一章绪论11.1 概述11.2 碳纤维布增强混凝土梁加固补强法的特性11.3 碳纤维增强砼的发展现状21.4 本论文的主要研究内容4第二章普通砼配合比设计52.1 计算混凝土配制强度的取值52.2 计算水胶比的取值52.3 计算每立方米砼的水用量52.4 计算每立方米砼的水泥用量52.5 确定混凝土的最佳砂率52.6 计