Speaking of road hardening technology, what are the conventional road hardening technologies in China at this stage? What is the basic situation? The following is a basic introduction to the architectural terminology road hardening technology compiled by Zhong Da Consulting:

Road hardening is the process of upgrading pavement to advanced pavement, that is, paving cement concrete or asphalt concrete (crushed stone) pavement, that is, pavement construction. Road hardening is a technical term. At present, China's road hardening technology mainly includes:

Road hardening technology mainly includes: concrete road hardening and highway asphalt road hardening construction. The following is the basic introduction of concrete road hardening technology:

Pavement construction technology The correct construction procedure of concrete panel is: installing formwork; Install dowel bar; Mixing and transportation of concrete; Laying concrete with rods and carrying out joint construction through vibration; Surface renovation; Maintenance and joint filling of concrete.

For small-scale pavement construction, it is particularly important to grasp the joint and health care for the appearance quality and internal strength of the pavement. During construction, the cutting time of transverse joints should be flexibly controlled according to local climatic conditions. Too late may lead to too many cracks due to concrete shrinkage, too early may lead to peeling at the edge of the panel, and the cutting machine will leave lateral ruts. When you are in health.

At present, vacuum water absorption technology has been widely used to prevent shrinkage cracks caused by excessive evaporation of water in concrete, which is beneficial to improve the compactness of concrete; Reducing the water-cement ratio and improving the mechanical properties of concrete are of great benefit. Because the water content of the mixture is reduced after vacuum dehydration, the shrinkage during curing is greatly reduced, which can effectively prevent the plastic cracking during pavement construction and prolong the service life.

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