发布时间 : 星期六 文章桥梁毕业设计开题报告模板(1) - 图文更新完毕开始阅读3cd3a4966fdb6f1aff00bed5b9f3f90f77c64d34
We will continue to improve the company's internal control system, and steady improvement in ability to manage and control, optimize business processes, to ensure smooth processes, responsibilities in place; to further strengthen internal controls, play a control post independent oversight role of evaluation complying with third-party responsibility; to actively make use of internal audit tools detect potential management, streamline, standardize related transactions, strengthening operations in accordance with law. Deepening the information management to ensure full communication \o constantly perfect ERP, and BFS++, and PI, and MIS, and SCM, information system based construction, full integration information system, achieved information resources shared; to expand Portal system application of breadth and depth, play information system on enterprise of Assistant role; to perfect daily run maintenance operation of records, promote problem reasons analysis and system handover; to strengthening BFS++, and ERP, and SCM, technology application of training, improve employees application information system of capacity and level. Humanistic care to ensure \To strengthening Humanities care, continues to foster company wind clear, and gas are, and heart Shun of culture atmosphere; strengthening love helped trapped, care difficult employees; carried out style activities, rich employees life; strengthening health and labour protection, organization career health medical, control career against; continues to implementation psychological warning prevention system, training employees health of character, and stable of mood and enterprising of attitude, created friendly fraternity of Humanities environment. o strengthen risk management, ensure that the business of \o strengthened business plans management, will business business plans cover to all level, ensure the business can control in control; to close concern financial, and coal electric linkage, and energy-saving scheduling, national policy trends, strengthening track, active should; to implementation State-owned assets method, further specification business financial management; to perfect risk tube control system, achieved risk recognition, and measure, and assessment, and report, and control feedback of closed ring management, improve risk prevention capacity. To further standardize trading, and strive to achieve \ng to law, standardize and fair.\of performance management, to ensure that potential employees \o strengthen performance management, process control, enhance employee evaluation and levels of effective communication to improve performance management. o further quantify and refine employee standards ... Work, full play party, and branch, and members in \n the of core role, and fighting fortress role and pioneer model role; to continues to strengthening \ship construction, full play levels cadres in enterprise development in the(1)用纵向体外预应力束解决纵向预应力不足的问题； (2)用体外竖向预应力筋解决腹板抗剪能力不足的问题； (3)在腹板外侧粘贴碳纤维布解决竖向预应力张拉给腹板造成的偏心荷载问题，并增强梁的整体刚度； (4)对小于0．15 mm 的裂缝进行封闭，大于0．15 mm的裂缝进行高压注浆； (5)将桥面铺装层改为轻质混凝土以减轻二期恒载，从而改善梁体的受力状况?13?。 2.预应力混凝士连续梁桥的裂缝问题从设计方面来讲可以从以下反面来考虑：桥梁跨径布置和箱梁截面尺寸拟定、纵向预应力布束方案与预应力储备、预应力混凝土连续梁桥的设计要重视温度应力、重视箱梁结构非预应力钢筋的配置??。 143.3 温度对桥梁的影响 对于同一桥梁结构，采用不同的温度梯度模式得到的梁内温度应力值相差很大．因此，为保证桥梁结构抗裂性，合理的温度梯度模式。对桥梁设计验算准确性极为重要??。 15四、小结 我国公路建设近年来发展迅速，桥梁设计由初期中、小桥到大型斜拉桥、悬索桥，结构体系和施工工艺都有很大发展??。大跨径梁桥、吊桥、斜拉桥的设计、施工水平3不断提高，但中等跨径桥梁的设计、施工水平发展相对缓慢，结构形式仍然以简支空心板和简支T梁为主，一些中小跨径大桥采用先简支后连续箱梁和支架现浇连续梁。简支梁桥设计、施工简便，工期短。但桥面伸缩缝较多，行车条件差；跨中弯矩大而墩顶弯矩为零，结构受力不合理；梁高仅受跨中截面弯矩控制，其它截面材料不能得到充分利用??随着高速公路、铁路提速和高速铁路的建设，混凝土简支梁仍是桥梁的主17要桥型，并且向整体大跨方向发展，因此简支梁桥的施工设备和技术尚需进一步研究?18?。同时伴随着全球交通业的快速发展，桥梁建造业也随之迅速发展。新的桥梁结构形式不断地被创造和应用。通过科研单位，设计单位和施工单位的共同努力，这些新型结构桥梁的设计及施工工艺正在不断完善??。 19就目前来说，桥梁设计方面的问题相对较易得到解决，但施工阶段和混凝土生成过程方面是和整个工程质量管理体系的落实、完善分不开的，必须从施工人员素质、f backbone backbone role; to full strengthening members youth work, full play youth employees in company development in the of force role; to improve independent Commission against corruption work level, strengthening on enterprise business key link of effectiveness monitored. , And maintain stability. To further strengthen publicity and education, improve the overall legal system. We must strengthen safety management, establish and improve the education, supervision, and evaluation as one of the traffic safety management mechanism. o conscientiously sum up the Olympic security controls, promoting integrated management to a higher level, higher standards, a higher level of development. Employees, today is lunar calendar on December 24, the ox Bell is about to ring, at this time of year, we clearly feel the pulse of the XX power generation company to flourish, to more clearly hear XX power generation companies mature and symmetry breathing. Recalling past one another across a railing, we are enthusiastic and full of confidence. Future development opportunities, we more exciting fight more
spirited. Employees, let us together across 2013 full of challenges and opportunities, to create a green, low-cost operation, full of humane care of a world-class power generation company and work hard! The occasion of the Spring Festival, my sincere wish that you and the families of the staff in the new year, good health, happy, happy8
We will continue to improve the company's internal control system, and steady improvement in ability to manage and control, optimize business processes, to ensure smooth processes, responsibilities in place; to further strengthen internal controls, play a control post independent oversight role of evaluation complying with third-party responsibility; to actively make use of internal audit tools detect potential management, streamline, standardize related transactions, strengthening operations in accordance with law. Deepening the information management to ensure full communication \o constantly perfect ERP, and BFS++, and PI, and MIS, and SCM, information system based construction, full integration information system, achieved information resources shared; to expand Portal system application of breadth and depth, play information system on enterprise of Assistant role; to perfect daily run maintenance operation of records, promote problem reasons analysis and system handover; to strengthening BFS++, and ERP, and SCM, technology application of training, improve employees application information system of capacity and level. Humanistic care to ensure \To strengthening Humanities care, continues to foster company wind clear, and gas are, and heart Shun of culture atmosphere; strengthening love helped trapped, care difficult employees; carried out style activities, rich employees life; strengthening health and labour protection, organization career health medical, control career against; continues to implementation psychological warning prevention system, training employees health of character, and stable of mood and enterprising of attitude, created friendly fraternity of Humanities environment. o strengthen risk management, ensure that the business of \o strengthened business plans management, will business business plans cover to all level, ensure the business can control in control; to close concern financial, and coal electric linkage, and energy-saving scheduling, national policy trends, strengthening track, active should; to implementation State-owned assets method, further specification business financial management; to perfect risk tube control system, achieved risk recognition, and measure, and assessment, and report, and control feedback of closed ring management, improve risk prevention capacity. To further standardize trading, and strive to achieve \ng to law, standardize and fair.\of performance management, to ensure that potential employees \o strengthen performance management, process control, enhance employee evaluation and levels of effective communication to improve performance management. o further quantify and refine employee standards ... Work, full play party, and branch, and members in \n the of core role, and fighting fortress role and pioneer model role; to continues to strengthening \ship construction, full play levels cadres in enterprise development in the技术、工艺上等各方面提高?20?。 f backbone backbone role; to full strengthening members youth work, full play youth employees in company development in the of force role; to improve independent Commission against corruption work level, strengthening on enterprise business key link of effectiveness monitored. , And maintain stability. To further strengthen publicity and education, improve the overall legal system. We must strengthen safety management, establish and improve the education, supervision, and evaluation as one of the traffic safety management mechanism. o conscientiously sum up the Olympic security controls, promoting integrated management to a higher level, higher standards, a higher level of development. Employees, today is lunar calendar on December 24, the ox Bell is about to ring, at this time of year, we clearly feel the pulse of the XX power generation company to flourish, to more clearly hear XX power generation companies mature and symmetry breathing. Recalling past one another across a railing, we are enthusiastic and full of confidence. Future development opportunities, we more exciting fight more
spirited. Employees, let us together across 2013 full of challenges and opportunities, to create a green, low-cost operation, full of humane care of a world-class power generation company and work hard! The occasion of the Spring Festival, my sincere wish that you and the families of the staff in the new year, good health, happy, happyWe will continue to improve the company's internal control system, and steady improvement in ability to manage and control, optimize business processes, to ensure smooth processes, responsibilities in place; to further strengthen internal controls, play a control post independent oversight role of evaluation complying with third-party responsibility; to actively make use of internal audit tools detect potential management, streamline, standardize related transactions, strengthening operations in accordance with law. Deepening the information management to ensure full communication \o constantly perfect ERP, and BFS++, and PI, and MIS, and SCM, information system based construction, full integration information system, achieved information resources shared; to expand Portal system application of breadth and depth, play information system on enterprise of Assistant role; to perfect daily run maintenance operation of records, promote problem reasons analysis and system handover; to strengthening BFS++, and ERP, and SCM, technology application of training, improve employees application information system of capacity and level. Humanistic care to ensure \To strengthening Humanities care, continues to foster company wind clear, and gas are, and heart Shun of culture atmosphere; strengthening love helped trapped, care difficult employees; carried out style activities, rich employees life; strengthening health and labour protection, organization career health medical, control career against; continues to implementation psychological warning prevention system, training employees health of character, and stable of mood and enterprising of attitude, created friendly fraternity of Humanities environment. o strengthen risk management, ensure that the business of \o strengthened business plans management, will business business plans cover to all level, ensure the business can control in control; to close concern financial, and coal electric linkage, and energy-saving scheduling, national policy trends, strengthening track, active should; to implementation State-owned assets method, further specification business financial management; to perfect risk tube control system, achieved risk recognition, and measure, and assessment, and report, and control feedback of closed ring management, improve risk prevention capacity. To further standardize trading, and strive to achieve \ng to law, standardize and fair.\of performance management, to ensure that potential employees \o strengthen performance management, process control, enhance employee evaluation and levels of effective communication to improve performance management. o further quantify and refine employee standards ... Work, full play party, and branch, and members in \n the of core role, and fighting fortress role and pioneer model role; to continues to strengthening \ship construction, full play levels cadres in enterprise development in the参考文献 [1] 白宝玉. 桥梁工程. 高等教育出版社,2005,11. [2] 宋津喜. 浅谈我国混凝土简支梁桥施工技术与发展. 国防交通工程与技术 2005第2期 [3] 袁玲. 变截面预应力混凝土简支箱梁的景观设计.中国市政工程. 2004年第6期. [4] 林丽霞. 提高预应力砼筒支梁桥横向刚度工程措施研究．甘肃科技（26）.2001．5 [5] 王赫，李渡. 关于预应力混凝土连续梁(连续钢架)桥中的若干问题.黑龙江交通科技. 2007年第4期. [6] 王俊文．公路小半径平曲线路面超高设计对简支梁桥面铺装厚度的影响. 铁道建筑技术. 2002（1）. [7] WANG Yin—qiao ，CHEN Heng-jin. Strengthening Design of PC Continuous Box Girder.bilding bridge, Phase 3,2007 . [8] 于鲜化，高平.预应力混凝土连续梁桥的设计及工程实践. 水利科技与经济. 第13卷第4期.2007年4月. [9] 王洪超. 预应力混凝土连续 桥设计探究. 能源技术、与管理.2006年第1期. [10] 范立础. 桥梁工程（上册）[M].北京：人民交通出版社，2002. [11] 高东光. 公路桥涵设计手册-桥位设计[M].北京：人民交通出版社，2000. [12] 顾安帮. 桥梁工程（下册）[M].北京：人民交通出版社，2002. [13] 姚玲森. 桥梁工程 [M].北京：人民交通出版社，1989. [14] 叶见曙.结构设计原理[M].北京：人民交通出版社，2001. [15] 刘国伟.浅淡砼简支梁桥桥面标高的控制方法.交通科技与经济.2006年第3期. [16] 张婷婷，王鹏达.预应力混凝土简支T梁桥标准化设计新特点. 交通科技与经济.2005第3期. [17] 张 鹏 ，李耀军，王常松，姜守芳.装配式连续梁桥的设计与施工. 水利与建筑工程学报.第4卷第3期，2006年9月. [18] 成 刚. 简支后连续梁桥体系转换最优化工序的研究.交通科技与经济。2007年第1期. [19] 马殿立.预应力钢筋砼空心板式连续梁桥面施工技术.一线技术.2007年第2期. [20] 申灵君.预应力混凝土连续梁桥上部结构施工技术.山西建筑.第33卷第9期，2007 f backbone backbone role; to full strengthening members youth work, full play youth employees in company development in the of force role; to improve independent Commission against corruption work level, strengthening on enterprise business key link of effectiveness monitored. , And maintain stability. To further strengthen publicity and education, improve the overall legal system. We must strengthen safety management, establish and improve the education, supervision, and evaluation as one of the traffic safety management mechanism. o conscientiously sum up the Olympic security controls, promoting integrated management to a higher level, higher standards, a higher level of development. Employees, today is lunar calendar on December 24, the ox Bell is about to ring, at this time of year, we clearly feel the pulse of the XX power generation company to flourish, to more clearly hear XX power generation companies mature and symmetry breathing. Recalling past one another across a railing, we are enthusiastic and full of confidence. Future development opportunities, we more exciting fight more
spirited. Employees, let us together across 2013 full of challenges and opportunities, to create a green, low-cost operation, full of humane care of a world-class power generation company and work hard! The occasion of the Spring Festival, my sincere wish that you and the families of the staff in the new year, good health, happy, happy10
We will continue to improve the company's internal control system, and steady improvement in ability to manage and control, optimize business processes, to ensure smooth processes, responsibilities in place; to further strengthen internal controls, play a control post independent oversight role of evaluation complying with third-party responsibility; to actively make use of internal audit tools detect potential management, streamline, standardize related transactions, strengthening operations in accordance with law. Deepening the information management to ensure full communication \o constantly perfect ERP, and BFS++, and PI, and MIS, and SCM, information system based construction, full integration information system, achieved information resources shared; to expand Portal system application of breadth and depth, play information system on enterprise of Assistant role; to perfect daily run maintenance operation of records, promote problem reasons analysis and system handover; to strengthening BFS++, and ERP, and SCM, technology application of training, improve employees application information system of capacity and level. Humanistic care to ensure \To strengthening Humanities care, continues to foster company wind clear, and gas are, and heart Shun of culture atmosphere; strengthening love helped trapped, care difficult employees; carried out style activities, rich employees life; strengthening health and labour protection, organization career health medical, control career against; continues to implementation psychological warning prevention system, training employees health of character, and stable of mood and enterprising of attitude, created friendly fraternity of Humanities environment. o strengthen risk management, ensure that the business of \o strengthened business plans management, will business business plans cover to all level, ensure the business can control in control; to close concern financial, and coal electric linkage, and energy-saving scheduling, national policy trends, strengthening track, active should; to implementation State-owned assets method, further specification business financial management; to perfect risk tube control system, achieved risk recognition, and measure, and assessment, and report, and control feedback of closed ring management, improve risk prevention capacity. To further standardize trading, and strive to achieve \ng to law, standardize and fair.\of performance management, to ensure that potential employees \o strengthen performance management, process control, enhance employee evaluation and levels of effective communication to improve performance management. o further quantify and refine employee standards ... Work, full play party, and branch, and members in \n the of core role, and fighting fortress role and pioneer model role; to continues to strengthening \ship construction, full play levels cadres in enterprise development in the f backbone backbone role; to full strengthening members youth work, full play youth employees in company development in the of force role; to improve independent Commission against corruption work level, strengthening on enterprise business key link of effectiveness monitored. , And maintain stability. To further strengthen publicity and education, improve the overall legal system. We must strengthen safety management, establish and improve the education, supervision, and evaluation as one of the traffic safety management mechanism. o conscientiously sum up the Olympic security controls, promoting integrated management to a higher level, higher standards, a higher level of development. Employees, today is lunar calendar on December 24, the ox Bell is about to ring, at this time of year, we clearly feel the pulse of the XX power generation company to flourish, to more clearly hear XX power generation companies mature and symmetry breathing. Recalling past one another across a railing, we are enthusiastic and full of confidence. Future development opportunities, we more exciting fight more
spirited. Employees, let us together across 2013 full of challenges and opportunities, to create a green, low-cost operation, full of humane care of a world-class power generation company and work hard! The occasion of the Spring Festival, my sincere wish that you and the families of the staff in the new year, good health, happy, happy