Introduction to ETC basic principles and technical advantages

According to the requirements of the Ministry of Transport, it is necessary to ensure that the speed of non-stopping will reach over 90% by the end of this year to ensure smooth operation of the entire road network. Under the premise of vigorously promoting ETC in the country, I believe that many

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Analysis of Causes of Foundation Pit Engineering Accidents

The inclined free surface formed by digging or filling around the foundation pit is called a slope. The stability of the slope is mainly maintained by the internal friction and cohesion of the soil itself and the support. (1) Technical factors of foundation pit accidents          Th

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What are the pros and cons of airbag bridges?

Beginning in January 2020, the new dangerous goods vehicles require that the rear axle must be an airbag bridge. What are the pros and cons of the airbag bridge? Do you know? The airbag bridge mainly supports the frame by the air pressure. The airbag bridg

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