Detailed Control And Precautions for Rotary Drilling Rig Construction

As a commonly used pile foundation construction equipment in modern engineering construction, the construction quality and efficiency of rotary drilling RIGS are of vital importance to the entire project. Mastering the key points and precautions for controlling construction details can effectively ensure the smooth progress of the construction. The following introduces the key points of rotary drilling rig construction for you.

1. Pre-construction preparation: Before construction, a comprehensive inspection of the power system, hydraulic system, drill pipe and drill bit of the rotary drilling rig is required to ensure the normal operation of all components. At the same time, conduct a detailed investigation of the geological conditions at the construction site and select the appropriate drill bit and drilling parameters based on the characteristics of the soil layer and rock layer.

2. Site leveling and positioning: It is essential to ensure that the construction site is level and solid to prevent the drilling rig from tilting or sinking during operation. The pile positions are precisely located by using measuring instruments, with the deviation controlled within the standard range, laying a foundation for the subsequent construction.

3. Drilling process control: During drilling, the speed should be uniform and slow. Closely observe the instrument data of the drilling rig and the drilling situation to avoid blindly increasing the speed, which may lead to hole collapse. Adjust the drilling process in a timely manner according to different geological layers. For example, in sand layers, the specific gravity of the mud can be appropriately increased.

4. Mud Management: High-quality mud is the key to ensuring the stability of the hole wall. Strictly control the specific gravity, viscosity and sand content of the mud. Timely clear the drill cuttings in the mud, regularly replenish fresh mud, and maintain the stable performance of the mud.

5. Lowering of the steel cage and concrete pouring: When lowering the steel cage, it should be done vertically and slowly to prevent collision with the hole wall. Concrete pouring should be carried out continuously, with the pouring speed and height controlled to ensure the compactness and strength of the concrete in the pile body.

6. Equipment Maintenance and Dismantling: After the construction is completed, conduct a comprehensive cleaning and maintenance of the rotary drilling rig, and promptly address any potential faults. When leaving the site, plan the transportation route reasonably to protect the equipment from damage.

In conclusion, every link in the construction process of rotary drilling RIGS is closely connected. Only by strictly controlling the construction details and paying attention to all precautions can we ensure that the quality of pile foundation engineering meets the standards, improve construction efficiency, and guarantee the successful completion of the project.