公路桥梁加固检测方案研究

1、公路论文：公路 桥梁 加固 检测 方案 研究【中文摘要】随着国民经济的持续快速发展，我国交通运输事业 也迎来一个辉煌的时代。公路交通量大幅增长，公路通车里程已居世 界第一,公路桥梁建设正在以令世人惊叹的速度迅猛发展，公路桥梁 在国民经济中的作用和地位也越来越显著地为人们所重视。当前我国桥梁建造技术已达到世界先进水平，但桥梁养护管理以及部分老旧桥 梁如何适应当前车辆荷载要求等方面的问题日显突出，加之我国公路建设在融资渠道、建设模式、收费及还贷方式、养护管理机构设置等 方面呈现出较为复杂的多样性，导致“重建轻养”现象依然广泛存在，公路桥梁养护维修加固技术发展相对滞后。旧桥维修加固，没有现成的规范,

2、更没有可供使用的标准图，桥梁病害错综复杂，病害原因难以 确定。因此,进一步加强桥梁养护维修加固技术的研究，并加大旧桥加 固资金投入，及时消除安全隐患，对保护人民群众生命、财产安全和节 约国家建设资金，有极其重要的意义。本文主要分析郑州市干线公路 桥梁的现状，并以作者本人参与的省道 316 线郑州境侯寨大桥外观检 查、混凝土强度检测、混凝土保护层厚度检测及静荷载试验和动荷载 试验结果为依据，提出桥梁加固改造方案，为今后郑州市干线公路桥 梁维修加固提供一些参考。【英文摘要】With the sustained and rapid development of thenational economy

3、, China s transportationindustry also usher in a公路论文：公路 桥梁 加固 检测 方案 研究glorious era. Growth of traffic volume, highway trafficmileage is ranked first in the world, road and bridge is the world amaz ingrapid developme nt speed, role and status of highway bridges in thenational economy is becoming sign

4、ificantly valued by the people. Currentin China bridge con structi on tech no logy hasreached world adva needlevel, butbridge con servati on man ageme nt and part old bridge how adaptati oncurre nt vehicles load contains requireme nts, aspects of problem dayexplicit highlight, coupled with in China

5、highway con structi on in financingcha nn el, and con structi on mode, and charges and the loa n way, andcon servatio n man ageme nt in stitutio ns set, aspects ren deri ng outmore complex of diversity, led“rec on structio n lightraising ” phenomenon still widely exists, highway bridgecon servatio n

6、 maintenance rein forceme nt tech no logy developme ntrelative lag.Maintenance and reinforcement of old bridge, no existingnorms, nor for the use of standard, bridge disease complicated disease isdifficult to determi ne. Therefore, further stre ngthe ning the rein forceme nttech no logy of bridge ma

7、intenance and repair, and to in crease inv estment in old bridge strengthening capital, eliminate security risks in a timelymanner, to protect people s life and property safety and con servati on ofn ati on-build ing fun ds, is of extremely important significance.This articlepresent situationan alys

8、is of trunk highway bridge in Zhen gzhou, 316 lines andto the author s participation in the provincial road ofZhen gzhou borders Hou Zhai Visual in specti on of the bridge, con cretestre ngth testi ng, con crete cover thick ness test and staticloading testand dynamic load test results on the basisof

9、 proposed bridge reinforcement and reconstructionprogrammes,Zhengzhou trunk highway bridge repair and strengthening for the future toprovide some referen ce.【关键词】公路 桥梁 加固 检测 方案 研究【英文关键词】highway bridgere in forceme ntdetecti onscheme study【目录】省道 316 线侯寨大桥检测与加固技术研究摘要3-4 Abstract 4 第 1 章 绪论 10-141.1 引言 10-111.2郑州市国、省干线公路桥梁概况11-121.3“十一五”期间桥梁加固投资情况 121.4 桥梁加固投资趋势和原因分析12-131.5本文的主要工作 13-14 第 2 章 省道 316 线侯寨大桥外观检查14- 382.1 桥梁基本情况 14-152.2 检查依