Preface
As we all know, there are many factors that need to be considered when carrying out the design of road and bridge projects, such as ensuring high construction safety and ensuring low consumption costs. In the past, when people carried out design work, they mostly carried out custom design. Its advantage is that it can gradually meet each design requirement from the minimum design requirements, but it also has obvious shortcomings, such as the inability to handle some unclear elements appearing in the structure layout process, and it is even more inconsistent with construction safety regulations, resulting in uncontrollable costs. In recent years, road and bridge collapse accidents have occurred in our country, and the reason for this phenomenon is, from a specific level, the reason is that the structure of road bridge is damaged, which makes its bearing capacity worse. Therefore, in order to ensure that the road bridge can be well maintained, increase its use time, increase the safety index, prevent the occurrence of early damage, and reduce subsequent maintenance funds, it is necessary to actively implement the structured design thinking.
Therefore, this book analyzes the design and application of road and bridge concrete from the content of seven chapters, hoping to have a certain effect.
前言
众所周知，在开展道桥项目设计工作的时候需要考虑的要素非常多，比如要确保施工的安全性高，要保证耗用的成本少等。在过去的时候，人们开展设计工作的时候，多是以定制设计为中心开展的。它的优点在于可以从最低设计需求人手逐步满足每个设计需求，但是它也存在明显的不足之处，比如无法很好的处理结构布局过程中出现的一些无法明确的要素，更加不符合施工安全规定，导致成本不可控。最近几年，我们国家不断发生道路桥梁塌陷事故，而之所以会出现这种现象，从特定层面上来看，原因在于道路桥梁的结构受到损伤进而使得它的受力能力变差。因此，为了确保道路桥梁能够被很好的维护，增加它的使用时间，提升安全指数，防止早期损害现象出现，减少后续维护资金，就要积极落实结构化设计思想。
因此本书从七章内容道路桥梁混凝土设计与应用进行全面的分析，希望有一定的作用。
Ren-Dong Mo, male, born in Lipu, Guangxi Province in December 1975, senior engineer. He took part in the work in 1999 and has been engaged in road construction,design and management in Tianjin Road and Bridge Management Office,Beijing Urban Construction Design & Development Group Co., Ltd. and other companies. He mainly participated in the municipal ancillary projects of the Zhangjiakou competition area of the Beijing 2022 Winter Olympics, the Binhai Road municipal roads and landscape engineering of the Quanzhou Taiwanese Investment Zone, the new Shenzhen Railway Station Comprehensive Transportation Hub Project, the Luanda New Airport Link Expressway Project in Angola, and the Angola Technical responsibility and management of the 9-square-kilometer municipal ancillary project of the Pakistan-Kayasi Phase I.
莫仁冬，男，1975年12月出生，1999年参加工作，广西荔浦人，高级工程师，先后在天津市道路桥梁管理处、北京城建设计发展集团股份有限公司等从事道路施工、设计及管理工作；主要参与了北京2022年冬奥会张家口赛区市政配套工程、泉州台商投资区滨海路市政道路及景观工程、新深圳站综合交通枢纽工程、安哥拉罗安达新机场联络线快速路工程、安哥拉凯兰巴—凯亚西一期9平方公里市政配套工程等项目的技术负责及管理。
Wen-Guang Kan, male, born in Haerbin,Helongjiang Province in September 1980, PhD student, senior engineer. He has been engaged in engineering technology and management work at Heilongjiang Highway Survey and Design Institute, Northeast Agricultural University, and Heilongjiang Longge Engineering Design Co., Ltd. As the person in charge of survey/design project, he mainly participated in the survey and design work of Fusui Songhuajiang Bridge, Heda Expressway, Jiansanjiang-Hulin Expressway, Guilin-Sanjiang Expressway and other projects. He has published more than 10 scientific papers.
阚文广，男，1980年09月出生，黑龙江省哈尔滨人，博士研究生，高级工程师。先后在黑龙江省公路勘察设计院、东北农业大学，黑龙江龙格工程设计有限公司从事工程技术及管理工作。作为勘察/设计项目负责人主要参加了富绥松花江大桥、鹤大高速公路、建三江至虎林高速公路、桂林至三江高速公路等项目的勘察设计工作，发表科技论文十余篇。
Chao Sun, male, born in December 1979. He was graduated from Harbin Institute of Technology in July 2003, and currently working at Jilin Province Transportation Planning and Design Institute, registered structural engineer. After 17 years of work, he has comprehensively mastered the design of highways and field surveys, and has become a senior engineer with comprehensive skills and professional skills, serving as the project leader and technical leader of multiple projects. The key projects such as Jiangmifeng to Yanji, Tumen to Hunchun, Jilin to Caoshi, Changchun to Shuangliao, Tantu to Heishui, and Dongfeng to Shuangliao Expressway have been completed, with a total mileage of more than 1,000 kilometers and comprehensive mastery of highway design Links and key technologies.
孙超，男，1979年12月出生，2003年7月毕业于哈尔滨工业大学，现就职于吉林省交通规划设计院。一级注册结构工程师。工作17年来，全面掌握公路设计及外业勘察工作，已成为一名技术全面、业务娴熟的高级工程师，担任多个项目的项目负责人和技术负责人。先后完成了江密峰至延吉、图们至珲春、吉林至草市、长春至双辽、坦途至黑水和东丰至双辽高速公路等多个重点工程，总里程超过1000公里，全面掌握公路设计的环节和关键技术。
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