The 4th Heavy-Duty Asphalt and Bridge Deck Pavement Technology Conference and 2023 Special Pavement Technology ConferenceJuly 27-28 daysAtYiwu, ZhejiangConvene。By the General Assembly“Durability and intelligence，Lead a new generation of paving revolution”As the theme，Discuss the bridge deck together、Tunnel、Airport、High and cold、Advanced technology and engineering cases of special pavement such as damp heat。

The General Assembly is composed ofShanghai Banghe Information Technology Co., Ltd.Hosting，Alliance for Innovation and Development of Special Pavement TechnologySupport，China Asphalt Network、China Road and Bridge Network、Guangdong Asphalt Concrete Supply Chain Association、Asphalt Pavement Branch of Sichuan Construction Industry Chamber of Commerce、Henan Asphalt Concrete Industry AssociationAndZhejiang Asphalt SocietyJointly sponsored，And getChongqing Zhixiang Paving Technology Engineering Co., Ltd.、Kissberg Chemical Materials（China）Limited company、Tong Hao（Shanghai）Material Technology Co., Ltd、Chongqing Tepu Pavement Engineering Technology Co., Ltd.AndWuxi Petroleum Instrument Equipment Co., Ltd.Strong support for this General Assembly。Thanks at the same timeHighway maintenance net、Asphalt pavement、China Road Machinery Network、A new horizon of asphaltAndDraining and mixing netAnd other media publicity and support.！

Opening address

（The organizer delivered a speech）

Guest host：Dr. Wang Min

On the morning of the first day of the conference, the forum opened under the brilliant chairmanship of Dr. Wang Min, the chief expert of Chongqing Zhixiang Paving Technology Engineering Co., Ltd.。

Chang'an University：Professor Hao Peiwen

First，Professor Hao Peiwen of Chang'an University、The composition and source analysis of asphalt pavement whitening and the driving mechanism of static water movement in asphalt mixture are analyzed in detail.“Formation Mechanism of Whitening Phenomenon in Dense Graded Asphalt Pavement”，The fundamental problems and scientific countermeasures of asphalt pavement whitening are pointed out，It has attracted wide attention from the participants.。

China Merchants Chongqing Communications Research and Design Institute：Senior Engineer Hu Xiaoyang

Technical specialist of European Bridge Deck Pavement.Heinz AeschlimannMr. Hu Xiaoyang, senior engineer of China Merchants Chongqing Communications Research and Design Institute Co., Ltd., brought the topic:“High-performance cast-in-place concrete pavement technology based on life cycle cost”A wonderful speech，It shows a variety of application scenarios of foreign pouring pavement as well as double-layer pouring cases and advantages in an all-round way.，It is pointed out that the whole life cycle should be taken into consideration.，A comprehensive economic and social benefit evaluation of the pouring pavement technology is carried out.。

Tongji University：Associate Professor Zhang Jiake

Associate Professor Zhang Jiake of Professor yuan Jie Team of Tongji University mainly focuses on the background and connotation of intelligent runway system.、Design method、Data integration and analysis、Functions and platform applications are analyzed in detail.“Airport intelligent runway system”，It provides a good theoretical support and reference for the researchers of intelligent runway design and construction and intelligent maintenance decision-making.。

Chongqing Zhixiang Paving Technology Engineering Co., Ltd.：Wang Min  Doctor

Speech by Dr. Wang Min, Chief Expert of Chongqing Zhixiang Paving Technology Engineering Co., Ltd.“Key Techniques for Efficient Maintenance of Asphalt Pavement on Long-span Steel Bridge Deck”。In the report，He mainly elaborated the application status of steel deck pavement.、Repair and maintenance technology and preventive maintenance technology，It is pointed out that the improvement of material durability and the integration of construction and maintenance will still be the focus of attention in the future steel bridge deck pavement.。

China Railway Siju Group First Engineering Co., Ltd.：Zhang Jiesheng Deputy Chief Engineer

The afternoon meeting was chaired by Zhang Jiesheng, Deputy Engineer of the First Engineering Co., Ltd. of China Railway Fourth Bureau Group.。

Hubei University：Associate Professor Huang Shaolong

Associate Professor Huang Shaolong of Professor Ding Qingjun Team of Wuhan University of Technology shared“Fiber Reinforced Concrete and Its Application in Bridge Deck Pavement”。In the report，He introduced it in detail.C50~C60 steel fiber reinforced concrete with high toughness and low shrinkage、High-strength high-toughness lightweight aggregate concrete material、Non-autoclaved ultra-high performance concrete and lightweight low-shrinkage ultra-high performance concrete（LUHPC）And other research and development materials and engineering application cases.，It is pointed out that it plays an important role in improving the durability and pavement performance of pavement layer.。

Kissberg Chemical Materials（China）Limited company：

Jason Armstrong Sir&Mr. Sun Zhengduo

Kissberg Chemical Materials（China）Global Product Manager of Bridge Waterproofing Department of Co., Ltd.Jason ArmstrongMr. Sun Zhengduo, the national sales manager of bridge waterproofing, brought the topic:“Waterproofing of bridge deck and its relationship with asphalt pavement”A wonderful speech。In the report，They introduced in detail the company's development history and the rich application of waterproof products in the world, especially in China.，The latest waterproof materials for bridge deck pavement are described.-Excellent Performance and Application Advantages of No.4 Adhesive，It shows the specialty and strength of Kisbo in the field of bridge deck pavement waterproofing.。

Paulie grew up：Chief Engineer of Mao Nongping Project

Senior Engineer Mao Nongping, Chief Engineer of Poly Changda Engineering Co., Ltd.、Urgent Problems to Be Solved for High Quality Development of Steel Deck、Key Points of Quality Engineering Management、Safe and civilized construction and project management informationization are analyzed in detail for us.“Oversize Hot Mix Epoxy Asphalt Pavement Technology for Steel Deck of Deep-Medium Passage”，It shows the persistence and ingenuity of Poly on the road of exploration and innovation of steel deck pavement.。

East China Branch of Shandong Road and Bridge Group Co., Ltd.：

Zuo Hongli Deputy General Manager

Brief Introduction of Steel Bridge Deck Pavement Technology from Senior Engineer Zuo Hongli, Deputy General Manager of East China Branch of Shandong Road and Bridge Group Co., Ltd.、Commonly used paving schemes in China、The technology and relevant achievements of the composite gussasphalt pavement of the Fourth Nanjing Bridge are expounded.“Key Technology of Long-span Steel Box Girder Composite Gussasphalt Steel Deck Pavement”。

Sichuan Communications Survey and Design Institute：Director Huang Qingqing

On the morning of the second day, the meeting was held under the brilliant chairmanship of Dr. Huang Qingqing, Director of Pavement Structure Research Center of Sichuan Traffic Survey and Design Research Institute Co., Ltd.。

Heilongjiang Longjian Road and Bridge No.4 Engineering Co., Ltd.：

Wang Da Wei  Deputy Chief Engineer

Wang Dawei, Deputy Chief Engineer of Heilongjiang Longjian Road and Bridge No.4 Engineering Co., Ltd., gave a speech on the theme of“Durability Design of Asphalt Pavement in Cold Region and Its Lifting Technology”。In the report，He mainly analyzed the influence of cold climate on asphalt concrete pavement.、Prolong the Service Life of Asphalt Concrete Pavement in Cold Region-Endurance assumptions、Construction cases in cold regions and construction control technology of asphalt concrete pavement in cold regions。

Guangxi Trading Technology Co., Ltd.：Deputy Director of Yao Xinyu Road Center

Dr. Liu Yu, Deputy General Manager of Guangxi Trading and Investment Technology Co., Ltd., and Yao Xinyu, Deputy Director of the Road Center of the Team, brought the topic:“Key Technologies of Scientific Decision-making for Expressway Asphalt Pavement Maintenance in Hot and Humid Area”A speech。In the report，He mainly analyzed the technical background of the project.、Rapid Detection and Diagnosis Method of Asphalt Pavement Disease and Structure Life Evaluation Method、Asphalt Pavement Maintenance Decision-making System、Complete set of innovative technologies for improving the function and life of asphalt pavement、Application demonstration of scientific decision-making for asphalt pavement maintenance and application demonstration of pavement function and structure life improvement。

China Railway Siju First Engineering Co., Ltd.：Zhang Jiesheng  Deputy Chief Engineer

Zhang Jiesheng, Deputy Chief Engineer of the First Engineering Co., Ltd. of China Railway Siju Group Co., Ltd.、Technical Difficulty of Special Pavement、The key technology of special pavement and the technical achievements of automobile proving ground are introduced in detail.“Key Technology of Special Asphalt Pavement in Automobile Proving Ground”。

Sichuan Communications Survey and Design Institute：Director Huang Qingqing

Speech by Dr. Huang Qingqing, Director of Pavement Structure Research Center of Sichuan Transportation Survey and Design Institute Co., Ltd.“Research on Key Technologies of Service Life and Surface Function Improvement of Asphalt Pavement in Mountainous Area”。In the report，He introduced the research background and the analysis of the research status in detail.、Deformation Detection of Structural Layers and Back Analysis of Modulus Parameter、Test and Analysis of Vehicle Load Response on Asphalt Pavement、Optimization of Over-graded Macadam Composition Based on Pavement Performance、Research on the Technology of Improving the Function of Drainage and Noise Reduction Asphalt Surface and the Tracking Observation and Durability Analysis of the Service Performance of Asphalt Pavement。

Site visit

On the afternoon of the 28th，Some of the participants braved the rain to visit the interchange reconstruction project of Yiwu Airport Road.。The visit ended in a pleasant atmosphere.，It also marks the end of this forum activity.。

Photos of the scene

（Some communication and booth photos）