Can we make a hardened floor/flooring if the ground is uneven?

  1. Shandong VANSE Machinery Technology Co., Ltd. is the only high-tech enterprise in China that integrates scientific research and development, production and sales, and technical services, and is professionally engaged in concrete laser positioning and leveling machines. Supporting services in one step.   2. The modular design of the electrical drive starting system is adopted to effectively reduce the failure rate. 3. The generator imported from Japan (Japanese generator) is more fuel-efficient, easy to start and quieter. 4. Originally imported laser leveling equipment, the laser leveling signal is more accurate and smoother. 5. The integrated shell is more beautiful: dust-proof, concrete splash-proof, and internal equipment protection.       6. Super vibration force, more compact. The vibration frequency is as high as 4000r/min to avoid honeycomb, foaming and other phenomena. 7. Imported button switch, more flexible, more durable and more accurate in operation. 8. Independent research and development of anti-tilt device, which is more conducive to the paving of concrete and improves the smoothness. 9. Tailor-made performance tires: 16-inch narrow tires, suitable for paving large areas and hardened ground, and compacting the ground. 21-inch wide tires are suitable for use on reinforced mesh ground. 10. The overall body is convenient for transportation. The whole part can be disassembled on site, which is convenient for transportation and hoisting, and more convenient to use.

For many buildings today, perhaps the most basic is the paving and leveling of concrete floors. In the past, the development was not as fast as it is now, so the construction of large-area concrete floors would have the disadvantage of being uneven. Later, people slowly invented some methods, but they were also more time-consuming and laborious. But now there is a laser leveling machine, which solves the big problem of concrete leveling. Many friends may not know much about laser leveling machines. In fact, it is a machine that uses the laser emitted by the laser as a benchmark and can level the ground at any time through the detection of a laser probe. The principle of this machine is also very simple. The machine itself emits a laser, which is then received by its own receiver. If there is any deviation, it will be fed back to the central computer system. Then the height of the scraper is adjusted linearly on the left and right sides, and then the whole process is completed. Flat ground. The advantages of this machine are still very prominent. First of all, it does not require as much manpower and time as before. The machine's response is very fast, and there is basically no deviation. It is very accurate because it is controlled by a computer program. Unlike manual work, there will be discrepancies if you don't pay attention. Moreover, this machine does not need to find a balance line or add side templates. It is controlled by the machine's own control system. As long as the laser transmitter can operate normally without interference, the machine will adjust the elevation no matter where it is moved. It is also because of the many advantages of laser leveling machines that many large buildings, such as logistics centers, warehouses, and underground garages, will now purchase such machines to level concrete floors. From this point of view, the sales prospects of laser planing machines are relatively good.

    The performance of a concrete laser leveling machine is highly dependent on the slump of the concrete. Slump not only reflects the flowability of the concrete but also directly affects the resistance of the leveling head and the density of the finished product. For concrete with different slumps, operators need to adjust the vibration frequency, paving height, machine travel speed, and the downward pressure of the auger to ensure the quality of the flooring. This mix is ​​typically used for heavy-duty industrial floors or areas requiring high strength. The concrete is relatively "dry" and has poor flowability. Vibration frequency: Requires adjustment to a higher frequency (usually increasing by 10%–20%). Dry, stiff concrete requires stronger vibration to remove air bubbles and allow the slurry to float. Travel speed: Slow. A slow travel speed allows sufficient compaction time for the leveling head, preventing surface "tearing" or honeycomb pitting caused by excessively rapid movement. Auger adjustment: Increase downforce to allow the auger to cut deeper into the concrete, ensuring large aggregate particles are effectively leveled. Plow height: Slightly lower the slow height. Because dry concrete has less rebound after leveling, the initial leveling needs to be closer to the design elevation. This is the ideal working range for laser leveling, balancing pumpability and structural stability. Vibration Frequency: Maintain a medium standard frequency. Travel Speed: Medium speed. Observe the slurry thickness behind the leveling head to ensure a uniform "skin" (slurry layer) on the surface. Overlap: Maintain a standard 200mm–300mm overlap to eliminate seam marks between adjacent passes. Common in projects using high-efficiency water-reducing agents or with high pumping heights. The concrete is extremely fluid and may even exhibit segregation. Vibration Frequency: Adjust to a low frequency or reduce it appropriately. Excessive vibration can cause mortar and aggregate separation (segregation), resulting in a large amount of laitance and potential sandiness on the surface. Travel Speed: Can be appropriately increased. Prevent the machine from remaining stationary in one spot for extended periods, which could lead to excessive subsidence in that area. Auger Adjustment: Reduce the auger pressure or raise its position. High slump concrete is very mobile; the auger only needs to guide the flow slightly. Excessive agitation will disrupt the levelness. Scraper Height: Set the scraper height slightly above the design elevation (approximately 3mm–5mm) to compensate for the slight settling of the high-flowability concrete after compaction. Adjustment items Low slump (dry) High slump (thin) Vibration frequency ↑ High frequency (strong vibration compaction) ↓ Low frequency (prevents segregation) Travel speed ↓ Slow speed (fine grinding) ↑ Relatively fast speed (uniform spreading) Auger depth Deeper (forced material discharge) Relatively shallow (slight guidance) Elevation allowance Less (low rebound) More (significant settlement) Risk points Surface cracking, poor flatness Excessive slurry thickness, later peeling, slope loss   On construction sites, the slump of concrete often fluctuates as the mixer trucks arrive. A skilled observer will closely follow the machine, monitoring the cream thickness behind the leveling head. If the cream thickness exceeds 5mm, the concrete is too thin; the speed should be increased or the vibration reduced. If the surface is dry and the aggregate is exposed, it is too dry; the walking speed should be immediately reduced and the vibration increased.   Note: The parameters provided in this document are for reference only and are not mandatory. Due to differences in technical characteristics between different brands and models of laser levelers, please consult the manufacturer for a suitable solution before actual operation. This reference document assumes no responsibility for any issues arising from failure to follow the manufacturer's instructions.