大跨度预应力混凝土连续刚构桥设计探讨
|
摘要
随着国际经济带动交通事业的发展,交通量日益增大,桥梁事业正面临着严峻的考验。近年来,我国修建了很多大跨径预应力混凝土连续刚构桥,也暴露出一些问题,其中裂缝、下挠等问题尤为突出,引起了工程界的普遍关注。
首先,本文对预应力混凝土连续刚构桥进行结构分析,包括上部箱梁结构和下部墩柱结构。
其次,本文从设计理论、预应力筋配置、箱梁截面尺寸、施工验算和控制、运营过程中的养护等方面对预应力混凝土连续刚构桥在使用中出现的裂缝、下挠及承载能力不足等问题进行了讨论,并指出,目前解决该类问题的最有效的方法还是恰当地布置非预应力钢筋,设计和施工人员应达成共识。同时就提高预应力混凝土连续刚构桥的安全性和耐久性提出了几点建议。
最后,对于已出现病害并影响桥梁正常使用的预应力混凝土连续刚构桥。在收集众多资料和分析的基础上,借鉴已维修加固的桥梁实例和最新的研究成果,就目前国内外的加固改造技术进行总结和讨论。总结得出,采用体外预应力技术是改善病害桥梁受力的最有效、也是应用最多的方法。
Along with the development of transportation enterprise by the impetus of the international economy, the traffic volume is increasesing day by day, and the bridge enterprise is facing the stern test. In recent years, there are many long span prestressed concrete continuous rigid-frame bridges constructed in our country, at the same time, some problems have been exposed which are quite markable, especially the crack, the deflection and so on. It has aroused universal interests in the engineering field.
In this thesis, the author carries out the structure analysis to the prestressed concrete continuous rigid-frame bridge at first, including the box girder and the substructure.
Next, the problems, such as the crack, the deflection and the insufficiency of ultimate bearing capacity in the practical use, were analyzed. In addition, the author also discussed the disposition of pre-stressed steel, the size of the box section, the check in construction and the maintenance in the control and operation process and so on. It is also pointed out that, to solve this kind of problems, the most effective method is the appropriate arrangement of the nonprestressed reinforcement. The designer and the constructor should achieve the mutual recognition. Simultaneously, several proposals are put forward about how to enhance the security and the durability of the prestressed concrete continuous rigid-frame bridge.
Finally, the author focuses on the prestressed concrete continuous rigid-frame bridges with the diseases above which could not be used as the normal. By collecting and analyzing multitudinous existing data, the model examples which have been strengthened and the newest research results, the author carried on the summary and the discussion of strengthening technology frome both the domestic and the other countries. It is the most effective and also the most applicable method to improve the stress of the diseased bridges by useing the externally prestressing technology.
首先,本文对预应力混凝土连续刚构桥进行结构分析,包括上部箱梁结构和下部墩柱结构。
其次,本文从设计理论、预应力筋配置、箱梁截面尺寸、施工验算和控制、运营过程中的养护等方面对预应力混凝土连续刚构桥在使用中出现的裂缝、下挠及承载能力不足等问题进行了讨论,并指出,目前解决该类问题的最有效的方法还是恰当地布置非预应力钢筋,设计和施工人员应达成共识。同时就提高预应力混凝土连续刚构桥的安全性和耐久性提出了几点建议。
最后,对于已出现病害并影响桥梁正常使用的预应力混凝土连续刚构桥。在收集众多资料和分析的基础上,借鉴已维修加固的桥梁实例和最新的研究成果,就目前国内外的加固改造技术进行总结和讨论。总结得出,采用体外预应力技术是改善病害桥梁受力的最有效、也是应用最多的方法。
Along with the development of transportation enterprise by the impetus of the international economy, the traffic volume is increasesing day by day, and the bridge enterprise is facing the stern test. In recent years, there are many long span prestressed concrete continuous rigid-frame bridges constructed in our country, at the same time, some problems have been exposed which are quite markable, especially the crack, the deflection and so on. It has aroused universal interests in the engineering field.
In this thesis, the author carries out the structure analysis to the prestressed concrete continuous rigid-frame bridge at first, including the box girder and the substructure.
Next, the problems, such as the crack, the deflection and the insufficiency of ultimate bearing capacity in the practical use, were analyzed. In addition, the author also discussed the disposition of pre-stressed steel, the size of the box section, the check in construction and the maintenance in the control and operation process and so on. It is also pointed out that, to solve this kind of problems, the most effective method is the appropriate arrangement of the nonprestressed reinforcement. The designer and the constructor should achieve the mutual recognition. Simultaneously, several proposals are put forward about how to enhance the security and the durability of the prestressed concrete continuous rigid-frame bridge.
Finally, the author focuses on the prestressed concrete continuous rigid-frame bridges with the diseases above which could not be used as the normal. By collecting and analyzing multitudinous existing data, the model examples which have been strengthened and the newest research results, the author carried on the summary and the discussion of strengthening technology frome both the domestic and the other countries. It is the most effective and also the most applicable method to improve the stress of the diseased bridges by useing the externally prestressing technology.
引文
[1]中华人民共和国行业标准,公路桥涵设计通用规范,JTG D60-2004,人民交通出版社
[2]中华人民中和国行业标准,公路钢筋混凝土及预应力混凝土桥涵设计规范,JTG D62-2004,人民交通出版社
[3]中国人民共和国交通部部标准,公路桥涵地基与基础设计规范,1985年,人民交通出版社
[4]范立础.桥梁工程(上册)[M].北京.人民交通出版社,2001
[5]范立础.预应力混凝土连续梁桥.北京.人民交通出版社.1988
[6]邬晓光,邵新鹏,万振江.刚架桥.人民交通出版社,2001
[7]周军生,楼庄鸿.大跨径预应力混凝土连续刚构桥的现状和发展趋势.中国公路学报.2000.13(1).31-37
[8]杨高中,杨征宇,周军生,李强,宋贵峰.连续刚构桥在我国的应用和发展.公路.1998(6).1-7
[9]王海蛟.浅析世界连续刚构桥的发展历程.黑龙江交通科技.2006(5)
[10]丁明杰,楼庄鸿.挪威Stolma桥.国外公路.2000(1)
[11]楼庄鸿.楼庄鸿桥梁论文集.人民交通出版社.2004
[12]彭元诚,方秦汉,李黎.超高墩连续刚构桥设计中的关键技术.桥梁建设.2006(4)
[13]马宝林.高墩大跨连续刚构桥.人民交通出版社.2001
[14]肖汝诚.桥梁结构分析及程序系统.人民交通出版社
[15]余钱华,周伟,朱鹏志.高墩大跨预应力连续刚构桥稳定性分析.公路与汽修.2006(5).91-93
[16]叶章龙.现代混凝土易于产生的早期裂缝.福建建材.2004(3).29-31.
[17]井红霞,马宝杰,吴德文.提高钢筋混凝土耐久性的几点措施.黑龙江水利科技.2004.32(3).48.
[18]徐定华,冯文元.混凝土材料实用指南[M].北京:中国建材工业出版社.2005,1
[19]王文涛.刚构一连续组合梁桥.北京.人民交通出版社.1995.
[20]罗凤林,谢邦珠.预应力混凝土连续刚构桥的几个问题探讨.中国公路.2004(20).131-133.
[21]朱汉华,陈孟冲,袁迎捷.预应力混凝土连续箱梁桥裂缝分析与防治.人民交通出版社.2006
[22]李海军,李军.连续桥梁预应力箱梁腹板裂缝成因浅析.华东公路.2000(3).26-29
[23]张志耕,王荣辉.预应力混凝土连续刚构箱梁桥裂缝病害分析.自然灾害学报.2006(4).15-2,137-142
[24]刘山洪,钱永久.大跨PC箱梁桥腹板裂缝的控制研究.重庆交通学院学报.2005.24(4).19-22
[25]王铁梦著.建筑物的裂缝控制.上海.上海科学技术出版社.1987
[26]詹建辉,陈卉.特大跨度连续刚构主梁下挠及箱梁裂缝成因分析.中外公路.2005.25(1).56-58
[27]朱益民,尹晓明.某V型墩连续刚构箱梁桥底板裂缝分析.云南交通科技.2003(8).19-4,22-24.
[28]钟新谷等.预应力混凝土连续箱梁桥裂缝防止与研究报告.中南大学等.2001
[29]彭卫 等.预应力混凝土连续箱梁桥裂缝防治与研究报告.浙江工业大学.2001
[30]陈万春,马建秦.预应力连续刚构桥常见病害形式及维修加固施工监控问题的探讨[J].交通标准化.2006(2/3).112-117
[31]李新平.预应力连续刚构桥的加固设计.华东公路.2002(4).17-19
[32]贺朋,周志祥,季国富,范亮.连续刚构桥竖向接缝的质量及其对工后挠度的影响.重庆交通学院学报.2004(2).6-12
[33]刘志华,张华新.桥面混凝土铺装层疲劳性能的研究.2004年全国桥梁学术会议论文集.922-925
[34]Chiu,Hui-Sheng,Chem,Jenn-Chuan,Chang,Kuo-Chun.Long-Term Deflection Control in Cantilever Prestressed Concrete Bridges.Ⅰ:Control Method [J].Journal of Engineering Mechanics;Jun 96,VO1.122 Issue 6,p489.
[35]Chiu,Hui-Sheng,Chern,Jenn-Chuan,Chang,Kuo-Chun.Long-Term Deflection Control in Cantilever Prestressed Concrete Bridges.Ⅱ:Experimental Verification[J].Journal of Engineering Mechanics,Jun 96,Vol.1.122Issue 6,p495.
[36]蒙云,卢波.桥梁加固与改造.人民交通出版社.2004
[37]杨志平,朱桂新,李卫.预应力混凝土连续刚构桥挠度长期观测.公路.2004(8).285-289.
[38]何雨微,陈光新,刘忠.无粘结竖向预应力在大跨连续梁桥上的应用与研究.重庆交通学院学报.2001,20(1).19-21,25
[39]方志,汪剑.预应力混凝土箱梁桥竖向预应力损失的实测与分析.土木工程学报.2006(5).78-84
[40]龙跃海.浅谈桥梁竖向预应力施工质量的控制.中国高新技术企业.2007(7).141-142
[41]肖光明等.高墩大跨连续刚构预应力混凝土裂缝的预防和施工控制.铁道建设.2006.27-31
[42]于培科等.控制刚构连续梁桥混凝土徐变的技术对策.华东公路.2005(1).39-40
[43]仇诗钊.预应力长束张拉工艺质量控制的体会.铁道勘测与设计.2005(6)
[44]顾安邦,常英,乐云祥.大跨径预应力连续刚构桥施工控制的理论与方法.重庆交通学院学报.1999(4).47-53
[45]卢文良等.贴外预应力加固铁路混凝土梁设计方法.北方交通大学学报.1999.23(4).22-28
[46]施顺涛.浅议预应力混凝土连续刚构加固方法.铁道标准设计.2007(8)
[47]殷增民等.大跨度混凝土连续刚构桥的加固施工技术.2004(4)
[48]徐金省等.现代预应力混凝土楼盖结构.中国建筑工业出版社.1998
[49]杨文渊,徐奔.桥梁维修与加固.北京.人民交通出版社
[50]张树仁,王宗林.桥梁病害诊治与改造加固设计.人民交通出版社.2006.77-83,207-214
[51]中国工程建设标准化协会标准.纤维混凝土结构技术规程CECS38:2004,中国计划出版社,2004
[52]张星云.三门峡黄河大桥主桥加固设计简介.北京建达道桥咨询有限公司.
[53]吴俊明,盛海军.三门峡黄河大桥维修加固施工技术总结.武汉二航路桥特种工程有限责任公司
[2]中华人民中和国行业标准,公路钢筋混凝土及预应力混凝土桥涵设计规范,JTG D62-2004,人民交通出版社
[3]中国人民共和国交通部部标准,公路桥涵地基与基础设计规范,1985年,人民交通出版社
[4]范立础.桥梁工程(上册)[M].北京.人民交通出版社,2001
[5]范立础.预应力混凝土连续梁桥.北京.人民交通出版社.1988
[6]邬晓光,邵新鹏,万振江.刚架桥.人民交通出版社,2001
[7]周军生,楼庄鸿.大跨径预应力混凝土连续刚构桥的现状和发展趋势.中国公路学报.2000.13(1).31-37
[8]杨高中,杨征宇,周军生,李强,宋贵峰.连续刚构桥在我国的应用和发展.公路.1998(6).1-7
[9]王海蛟.浅析世界连续刚构桥的发展历程.黑龙江交通科技.2006(5)
[10]丁明杰,楼庄鸿.挪威Stolma桥.国外公路.2000(1)
[11]楼庄鸿.楼庄鸿桥梁论文集.人民交通出版社.2004
[12]彭元诚,方秦汉,李黎.超高墩连续刚构桥设计中的关键技术.桥梁建设.2006(4)
[13]马宝林.高墩大跨连续刚构桥.人民交通出版社.2001
[14]肖汝诚.桥梁结构分析及程序系统.人民交通出版社
[15]余钱华,周伟,朱鹏志.高墩大跨预应力连续刚构桥稳定性分析.公路与汽修.2006(5).91-93
[16]叶章龙.现代混凝土易于产生的早期裂缝.福建建材.2004(3).29-31.
[17]井红霞,马宝杰,吴德文.提高钢筋混凝土耐久性的几点措施.黑龙江水利科技.2004.32(3).48.
[18]徐定华,冯文元.混凝土材料实用指南[M].北京:中国建材工业出版社.2005,1
[19]王文涛.刚构一连续组合梁桥.北京.人民交通出版社.1995.
[20]罗凤林,谢邦珠.预应力混凝土连续刚构桥的几个问题探讨.中国公路.2004(20).131-133.
[21]朱汉华,陈孟冲,袁迎捷.预应力混凝土连续箱梁桥裂缝分析与防治.人民交通出版社.2006
[22]李海军,李军.连续桥梁预应力箱梁腹板裂缝成因浅析.华东公路.2000(3).26-29
[23]张志耕,王荣辉.预应力混凝土连续刚构箱梁桥裂缝病害分析.自然灾害学报.2006(4).15-2,137-142
[24]刘山洪,钱永久.大跨PC箱梁桥腹板裂缝的控制研究.重庆交通学院学报.2005.24(4).19-22
[25]王铁梦著.建筑物的裂缝控制.上海.上海科学技术出版社.1987
[26]詹建辉,陈卉.特大跨度连续刚构主梁下挠及箱梁裂缝成因分析.中外公路.2005.25(1).56-58
[27]朱益民,尹晓明.某V型墩连续刚构箱梁桥底板裂缝分析.云南交通科技.2003(8).19-4,22-24.
[28]钟新谷等.预应力混凝土连续箱梁桥裂缝防止与研究报告.中南大学等.2001
[29]彭卫 等.预应力混凝土连续箱梁桥裂缝防治与研究报告.浙江工业大学.2001
[30]陈万春,马建秦.预应力连续刚构桥常见病害形式及维修加固施工监控问题的探讨[J].交通标准化.2006(2/3).112-117
[31]李新平.预应力连续刚构桥的加固设计.华东公路.2002(4).17-19
[32]贺朋,周志祥,季国富,范亮.连续刚构桥竖向接缝的质量及其对工后挠度的影响.重庆交通学院学报.2004(2).6-12
[33]刘志华,张华新.桥面混凝土铺装层疲劳性能的研究.2004年全国桥梁学术会议论文集.922-925
[34]Chiu,Hui-Sheng,Chem,Jenn-Chuan,Chang,Kuo-Chun.Long-Term Deflection Control in Cantilever Prestressed Concrete Bridges.Ⅰ:Control Method [J].Journal of Engineering Mechanics;Jun 96,VO1.122 Issue 6,p489.
[35]Chiu,Hui-Sheng,Chern,Jenn-Chuan,Chang,Kuo-Chun.Long-Term Deflection Control in Cantilever Prestressed Concrete Bridges.Ⅱ:Experimental Verification[J].Journal of Engineering Mechanics,Jun 96,Vol.1.122Issue 6,p495.
[36]蒙云,卢波.桥梁加固与改造.人民交通出版社.2004
[37]杨志平,朱桂新,李卫.预应力混凝土连续刚构桥挠度长期观测.公路.2004(8).285-289.
[38]何雨微,陈光新,刘忠.无粘结竖向预应力在大跨连续梁桥上的应用与研究.重庆交通学院学报.2001,20(1).19-21,25
[39]方志,汪剑.预应力混凝土箱梁桥竖向预应力损失的实测与分析.土木工程学报.2006(5).78-84
[40]龙跃海.浅谈桥梁竖向预应力施工质量的控制.中国高新技术企业.2007(7).141-142
[41]肖光明等.高墩大跨连续刚构预应力混凝土裂缝的预防和施工控制.铁道建设.2006.27-31
[42]于培科等.控制刚构连续梁桥混凝土徐变的技术对策.华东公路.2005(1).39-40
[43]仇诗钊.预应力长束张拉工艺质量控制的体会.铁道勘测与设计.2005(6)
[44]顾安邦,常英,乐云祥.大跨径预应力连续刚构桥施工控制的理论与方法.重庆交通学院学报.1999(4).47-53
[45]卢文良等.贴外预应力加固铁路混凝土梁设计方法.北方交通大学学报.1999.23(4).22-28
[46]施顺涛.浅议预应力混凝土连续刚构加固方法.铁道标准设计.2007(8)
[47]殷增民等.大跨度混凝土连续刚构桥的加固施工技术.2004(4)
[48]徐金省等.现代预应力混凝土楼盖结构.中国建筑工业出版社.1998
[49]杨文渊,徐奔.桥梁维修与加固.北京.人民交通出版社
[50]张树仁,王宗林.桥梁病害诊治与改造加固设计.人民交通出版社.2006.77-83,207-214
[51]中国工程建设标准化协会标准.纤维混凝土结构技术规程CECS38:2004,中国计划出版社,2004
[52]张星云.三门峡黄河大桥主桥加固设计简介.北京建达道桥咨询有限公司.
[53]吴俊明,盛海军.三门峡黄河大桥维修加固施工技术总结.武汉二航路桥特种工程有限责任公司
© 2004-2018 中国地质图书馆版权所有 京ICP备05064691号 京公网安备11010802017129号 地址：北京市海淀区学院路29号 邮编：100083 电话：办公室：(+86 10)66554848；文献借阅、咨询服务、科技查新：66554700 |