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New Technology Makes Highway Maintenance More Environmentally Friendly

September 07, 2023

How to Transform Highway Maintenance Technology on the Road of Environmental Protection,In order to promote the green and sustainable development of transportation.?September 2,Reporters from Ningxia Trading Expressway Management Co., Ltd. sponsored the Ningxia Expressway Pavement Preventive Maintenance Quality Project Demonstration Site Observation and Exchange Meeting,Got the answer。

Pavement maintenance construction site of Pingjibao section of Wuma Expressway,The reporter saw that the newly paved road was smooth and comfortable.、Clean and tidy。According to introduction,Pavement evenness tested after construction、Water Penetration Coefficient、Rutting and other indicators have been improved.。“This is due to our improvement.SMCNew technology。”Duan Xuefeng, Minister of Shizuishan Business Department of Ningxia Trading Expressway Management Co., Ltd.,SMCThe core material of the warm mix asphalt ultra-thin overlay isSMCAsphalt modifier,Waste tyres are used as the main raw material,The asphalt can be constructed and applied at a temperature of 140 deg C.,The temperature of traditional asphalt needs to reach 180 degrees Celsius before construction.。Not only that,SMCScientific Addition of Asphalt Modifier,Carbon emission can be reduced in the production process of asphalt 35%Above,Reduce all kinds of harmful gas emissions 50%Above。“Still in the mix ratio、Structural depth、The construction technology and other aspects have been optimized.。”

It is understood that,The starting point of the quality maintenance demonstration project of Wuma Expressway Pavement Preventive Maintenance Project is located at Pingjibao Interchange in Yinchuan.,The terminal point is Qingtongxia Aluminum Plant.,Total length 71.765 kilometers。After the opening of Wuma Expressway,With the increasing traffic volume,,The pavement has gradually produced some early diseases.,At the same time, it is analyzed according to the pavement inspection report in 2021.,The index of pavement damage condition in this section decreased significantly.。In order to delay the development of pavement disease in time.,Prolong the service life of pavement,Ningxia Jiaotou Expressway Management Co., Ltd.。The new technology can not only realize normal construction in low temperature weather,Extend the construction season、And that construction period is shorten,At the same time, it can improve the road safety performance.、Alleviate noise pollution。After using this technology,,The skid resistance index of pavement can meet the technical requirements of new high-grade pavement.,Delays the appearance of cracks caused by road damage for 3 years,The tire noise during driving is far less than that of the conventional road surface.。

The project is now nearing completion.,Ningxia Trading Expressway Management Co., Ltd. and relevant departments will analyze the accumulated experience data.、Sum up,In the future, it will be recommended and applied in the whole region.。(Reporter Chen Yao)

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