Foreword

Following the requirements of Notice on Printing the Development and Revision Plan of National Engineering Construction Standards in 2011（Jian Biao〔2011〕No.17）issued by the Ministry of Housing and Urban-Rural Development，the code compilation organizations develop the Code based on intensive investigation and study，summary of practice experiences，review of relevant prominent international standards，and extensive consultation.

The code comprises 14 chapters and supplementary commentary on the provisions.The main technical contents include:General Provisions；Terms and Symbols；Materials；Basic Requirements；Calculation for Ultimate Limit States in Persistent Situations；Calculation for Serviceability Limit States in Persistent Situations；Structure and Detailing；Fabrication of Steel Tubes of Arch Ribs；Welding；Corrosion Protection Coating；Erection of Steel Tube Arch Ribs；Filling of Concrete；Construction of Other Structures；Maintenance.

The provisions that are printed in bold type are mandatory provisions and must be enforced strictly.

The Ministry of Housing and Urban-Rural Developments is in charge of the administration of the Code and the explanation of the mandatory provisions.Fuzhou University is responsible for the explanation of specific technical contents.All relevant organizations are kindly requested to feedback any questions，comments and suggestions associated with the implementation of the Code by the management group of the Code in College of Civil Engineering at Fuzhou University（Address:No.2 Xueyuan Road，University Town，Minhou，Fuzhou，Fujian 350108，China）.

Chief Development Organizations:

　　　　　　Fuzhou University

　　　　　　CSCEC Strait Construction and Development Co.，Ltd

Participating Development Organizations:

　　　　　　Shenzhen Municipal Design and Research Institute Co.，Ltd

　　　　　　Sichuan Provincial Transport Department Highway Planning，Survey，Design and

　　　　　　Research Institute

　　　　　　Guangxi Road and Bridge Engineering Corporation

　　　　　　Research Institute of Highway Ministry of Transport

　　　　　　Changsha University of Science and Technology

　　　　　　ChangAn University

　　　　　　Wuhan University of Technology

　　　　　　Harbin Institute of Technology

　　　　　　Wuchuan Heavy Engineering Co.，Ltd

Chief Drafting Staff:

　　　　　　Chen Baochun　Wu Pingchun　Wei jiangang　Wu Qingxiong　Mou Tingmin

　　　　　　Chen Yiyan　Chen Guanghui　Ding Qingjun　Ruan Jiashun　Zhang Jianren

　　　　　　Zha Xiaoxiong　Zhang Jinquan　Liu Yongjian　Jiao Anliang

Chief Reviewing Staff:

　　　　　　Zheng Jielian　Huang Qiao　Fan Wenli　Peng Yuancheng　Ma Biao

　　　　　　Xu Yong Zhao　Linqiang　Cao Rui　Long Yue