Technical Knowledge
Why does the road appear uneven?Is there any chance of getting better with laser leveling?

Due to the limitation of construction technology, the road surface is uneven in many cases, and the vehicle cannot maintain a very good stability during driving, and it may cause ruts after repeated rolling, which is equivalent to being stuck in a car. vicious circle. Wouldn't it be better to use concrete laser leveling?
Nowadays, many roads are uneven, and there are many reasons. Now I will introduce the reasons for uneven roads:
1. The unevenness of the base layer affects the flatness of the road surface, resulting in uneven paving thickness, and the control of the base layer construction is not strict. Some even use bulldozers and graders to lay the base layer. The construction quality and flatness are difficult to control.
2. The influence of road paving machinery and technology on the smoothness:
A. Improper selection of paver structure parameters, resulting in uneven paving thickness and waves;
B. Improper control of the base line of the paver, resulting in waves;
C. Improper operation of the paver causes uneven paving speed and frequent starting, resulting in rough and uneven surface layers;
D. When a slipform paver is used for the concrete pavement, it is affected by the paver itself, control datum line and operation.
3. The influence of the quality of surface paving materials on the flatness:
A. The ratio of asphalt pavement materials, mixing, oil temperature and shutdown due to material failure;
B. Raw materials, proportioning and stoppage of materials for concrete pavement.
4. Effect of rolling on flatness:
A. The use of low-frequency, high-amplitude road rollers will cause jumping and tamping phenomena, and excessive initial tonnage will cause pushing deformation;
B. Uneven rolling speed, sudden braking, sudden start, random parking and U-turn, parking on the rolled and formed road without turning off the vibration device will cause road congestion, and stopping on the uncooled road will cause sunken;
C. Improper rolling route, if you don’t pay attention to wrong wheel rolling, turning back at the same cross section every time will cause uneven road surface;
D. The number of times of rolling is not enough, the compaction is not enough, and ruts are easy to form after opening to traffic.

The leveling mechanism of the laser leveling machine is driven by hydraulic pressure, cooperates with the laser system and the computer control system to complete the leveling work while automatically leveling, and the work efficiency is extremely high.
The laser transmitter used to control the ground level is arranged independently, and the level of the ground will not produce cumulative errors. Compared with the traditional method, the flatness of the super-large area is as easy to control, and at the same time, the construction joints and formwork usage of the floor are greatly reduced.

Fast construction speed: use laser leveling machine and other equipment to construct concrete slabs, which improves the work efficiency by 3 times and saves 30% compared with the traditional beam vibrator method. It can complete 2000 square meters per day on average. It is especially suitable for simple shapes and large-scale operations. pavement construction. High degree of automation and low labor intensity: the use of laser leveling machines and other equipment changes heavy manual labor into mechanical paving, vibrating, leveling, slurry extraction, and surface plastering, reducing the number of operators by 30% and reducing labor intensity at the same time. High economic benefit: the application of laser leveling machine and other equipment saves the cost by 2-3 yuan/㎡ compared with the traditional process, with fewer joints and lower maintenance costs in the later period, so that the economic benefit is significantly improved.

Advanced equipment such as laser leveling machines are especially suitable for projects such as docks, storage yards, expressways, airports, large squares, parking lots, and municipal roads that have relatively simple shapes, large amounts of action, and high construction quality requirements.


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About the Author: Shandong Vanse Machinery Technology Co., Ltd.
Shandong Vanse Machinery Technology Co., Ltd. is a high-tech manufacturer specializing in concrete construction machinery, including laser screeds and related equipment. The company integrates R&D, production, and global sales, with products exported to over 60 countries and widely used in infrastructure projects worldwide.
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