April 19, 2024
April 18,Maintenance Technology of Chang-Jin Expressway in China-Belarus Exchange Seminar Held in Xinxiang,Foreign expert of international scientific and technological cooperation base for road construction and maintenance、Alexeyev, former vice president of Belarus National Technical University•Professor Yuri,Member of the International Academy of Transport Sciences、Vladimir, corresponding member of the Belarusian Academy of Engineering•VerenkoProfessor,Chang Jin、Feng Xiaojun, General Manager of Jinjiao Expressway,Wang Cuiqiao, Deputy General Manager of Jinjiao Expressway,Wang Junying, Engineering Director of Changjin Expressway,Zhu yuanfeng, Vice President of Maintenance and Pavement Technology Research Institute of Hunan Transportation Research Institute Co., Ltd.,Liu Tingguo, chairman of Gaoyuan Road Group, and other experts and leaders attended the meeting.。The meeting was chaired by Li Zhongyu, General Manager of Research Center of Gaoyuan Road Industry Group.。
Chairman Liu Tingguo to the experts、A warm welcome to the leaders.。He pointed out in his speech that,With the rapid development of China's economy,,A large number of road assets have been formed.,How to maximize the benefits of road assets is the direction of common exploration in the industry.。In more than 20 years of cooperation between Gaoyuan Road Industry and Belarus Scientific Research Team,Jointly established the whole process of highway maintenance technology system.(QGY),On this basis,Combine scientific management mode with scientific production technology mode,It's out“Whole-process performance trusteeship maintenance model”(PBC+QGY),So as to realize the preservation and efficiency of road assets.,Maximize the benefits of road assets。
Through the digital holographic three-dimensional multifunctional detection in the early stage of Changjin Expressway section、Permeability of pavementHDS、Continuity of road structureCSE、Detection data of variable axle load Doppler laser dynamic deflection, etc.,Gaoyuan Road Industry Proposes Functionalized Composite Seal、Maintenance scheme for treating part of the road section by two modified pavement processes。At the meeting,Shang Bo, Deputy Engineer of Gaoyuan Road Industry Group Research Center, introduced the functional composite seal in detail.、Modified paving process,Combined with the actual case, the performance tracking observation data of the two processes are reported in detail.。Participants' scope of application for the process、Quality Control、In-depth discussion on hot issues such as construction temperature,The current situation and main diseases of Chang-Jin Expressway are analyzed.,Make recommendations for future maintenance options。Vladimir•Professor Verenko said,QGYThe most important thing is to make a correct maintenance plan and estimate the service life.。If the treatment is carried out when the road needs to be overhauled,It is a very expensive measure.,It will also have a great impact on the normal traffic.,In fact,Any material and any organism accumulates disease and breakage during its life cycle,At the very beginning,The occurrence of these disease and damages cannot be observe by that naked eye.,But the useful life of the material has been reduced.,If not treated,These diseases will combine with each other.,Macroscopically, it appears as a crack.、Pothole、Rutting and other visible diseases。QGYWas created on this basis.,On the basis of theory and experiment,Obtain the relationship between road disease development and service life,Select the appropriate construction process for treatment at the most appropriate time,Save maintenance funds and extend service life。It's good to see.QGYThe system has been applied in Changjin Expressway.,It will bring more benefits to the owners.。
Participants also completed the functional composite seal layer by Gaoyuan Road Industry.、Carry out site inspection on new technology sections such as modified pavement。
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