Roller compacted concrete and U-turn road structure prepared from same

Abstract

The invention relates to the technical field of building materials and constructional engineering, in particular to roller compacted concrete and a U-turn road structure prepared from the same. The roller compacted concrete is composed of cement, crushed stone, machine-made sand, a super set-retarding agent, a mortar extractant and water. The U-turn road structure includes a flexible asphalt concrete road structure and a rigid cement concrete road structure. The roller compacted concrete and an asphalt pavement can be simultaneously subjected to mortar extraction and rolling compaction construction. The U-turn road structure can reduce the quality problems such as sedimentation, subsidence, bulging and bleeding of a traditional asphalt concrete pavement under the action of a limit load, the carrying capacity and anti-strain ability of pavements such as U-turn lanes for vehicles, and the cumulative load of braking, parking and other operation of the vehicles are buffered to ensure driving safety.

Description

technical field [0001] The invention relates to the technical field of construction engineering, in particular to a roller compacted concrete and a U-turn road structure prepared therefrom. Background technique [0002] The road surface of traditional vehicle U-turn lanes, checkpoints, toll stations, etc. is usually asphalt concrete. When the vehicle is running on the road, it brakes suddenly, decelerates, turns around, and turns in the same area. Under the action of load, it is easy to cause quality problems such as uneven settlement of the road surface, which will eventually lead to quality problems such as settlement, subsidence, bulging, and oil flooding of the road surface in this area. The defects of the road surface will also cause safety hazards and affect the driving experience. To sum up, the traditional asphalt concrete pavement can no longer fully adapt to the actual situation of high quality requirements and heavy traffic flow in areas such as vehicle turning la...

AI Technical Summary

Problems solved by technology

[0002] The road surface of traditional vehicle U-turn lanes, checkpoints, toll stations, etc. is usually asphalt concrete. When the vehicle is running on the road, it brakes suddenly, decelerates, turns around, and turns in the same area. Under the action of load, it is easy to cause quality problems such as uneven settlement of the road surface, which will eventually lead to quality problems such as settlement, subsidence, bulging, and oil flooding of the road surface in this area. The defects of the road surface will also cause safety hazards and affect the driving experience.

To sum up, the traditional asphalt concrete pavement can no longer fully adapt to the actual situation of high quality requirements and heavy traffic flow in areas such as vehicle U-turn lanes, checkpoints, and toll stations.

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