Views: 0 Author: Site Editor Publish Time: 2026-07-23 Origin: Site
In the construction of highway, railway subgrade and bridge pile foundation, the preparation work before the operation of rotary drilling rig is the core prerequisite for avoiding safety hazards and ensuring efficient construction. Highway and railway construction sites are mostly open-air and outdoor areas with complex terrain, dense underground pipelines, and variable geological soil layers. Before construction, it is necessary to comprehensively survey the work area, accurately identify hidden facilities such as underground optical cables, gas pipelines, and rail transit pipelines, clarify the construction site of pile foundations, and delineate the equipment operation radius and safety warning area. At the same time, the bearing capacity of the site should be tested according to the construction drawings, and the soft roadbed should be leveled and compacted to prevent tilting and collapse problems during drilling operations. During the equipment debugging phase, it is necessary to inspect the core components such as drill rods, drill bits, wire ropes, hydraulic systems, and braking systems one by one, check for oil leaks, wear, looseness, and other faults, calibrate the verticality and operating parameters of the equipment, and match the suitable drilling mode in advance based on different construction geology such as sand, clay, and gravel layers, in order to prevent safety accidents caused by equipment failures from the source and lay the foundation for efficient construction.
The standardized operation of the core drilling process of rotary drilling rig is the key to achieving both safety and efficiency improvement. The construction of highway and railway pile foundations requires extremely high precision in hole formation, verticality of hole depth, and compactness of pile foundations. During the operation, the construction principles of uniform speed, layering, and stable control must be strictly followed. It is strictly prohibited to suddenly increase speed or forcefully apply pressure during startup operation. The initial drilling should be completed by stabilizing the machine at low speed. After the hole wall is stabilized, the drilling parameters should be gradually adjusted to avoid problems such as hole wall collapse and drill pipe bending caused by high-speed operation. For high-risk construction scenarios such as railway elevated pile foundations and highway bridge deep piles, it is necessary to monitor the water level and mud density in the hole in real time, replenish the mud in a timely manner to stabilize the hole wall, and prevent construction defects such as hole collapse and diameter reduction. At the same time, strictly regulate personnel operation behavior, prohibit operators from reaching out to visit or crossing blind spots in violation of regulations, prevent equipment from running with faults or overloaded operations, reduce the frequency of rework and rectification while ensuring construction quality and safety, and effectively improve overall construction efficiency.
The frequent cross operation of personnel and machinery on the construction site of highway and railway infrastructure, as well as the strong mobility of traffic and pedestrian flow, make the safety control of rotary drilling rig operations particularly important. During the construction period, the entire work area must be enclosed, with prominent safety warning signs set up. Unauthorized personnel and vehicles are strictly prohibited from entering the work radius to avoid the risk of falling objects from high altitude and equipment rotation collisions. For special construction environments such as nighttime, rainy weather, and strong winds, special safety protection measures need to be implemented. In rainy weather, timely drainage of the site should be done to prevent equipment from slipping and leaking electricity. In windy weather, high-altitude drilling operations should be suspended, and lighting equipment and warning lights should be equipped for nighttime construction to prevent safety accidents caused by blind spots in the line of sight. At the same time, establish a regular safety inspection mechanism to monitor the real-time operation status of equipment, the stability of hole walls, and the implementation of on-site protective measures. Promptly rectify violations and safety hazards, build a comprehensive safety protection system, and ensure zero safety accidents throughout the construction process.
Professional personnel operation and regular equipment maintenance are important supports for ensuring the long-term efficient and safe operation of rotary drilling rigs. The construction period of highway and railway infrastructure is tight, and there is a high demand for continuous operation. All operators must hold certificates, be familiar with equipment operation specifications, emergency response procedures, and special standards for infrastructure construction, and prevent unlicensed and illegal operations. Fine maintenance of equipment should be carried out during construction intervals, and mud and debris attached to drill rods and bits should be cleaned in a timely manner. Lubricating oil should be regularly added to the hydraulic and transmission systems, and aging parts should be replaced to avoid equipment failure and shutdown during long-term high-intensity operations. At the same time, optimize the construction schedule and operation process, reasonably match equipment and personnel division of labor, connect processes such as drilling, cleaning, and pouring, reduce the gap period between process connections, maximize equipment utilization, and continuously improve overall construction efficiency on the basis of strictly adhering to safety regulations.
There are many sudden risks in the field construction of highways and railways. A sound emergency response mechanism is the last line of defense for safe construction, as well as an important guarantee to reduce construction delays and ensure construction efficiency. Before construction, special emergency plans should be developed for common unexpected situations such as hole collapse, equipment overturning, hydraulic failure, and personnel injury. Emergency supplies and rescue equipment should be fully equipped, and regular emergency drills should be conducted. If there are problems such as hole wall collapse, abnormal equipment noise, tilt deviation, etc. during the homework process, the machine should be stopped immediately and the power should be cut off. It is strictly prohibited to work with diseases or risks, and emergency plans should be quickly activated to scientifically handle the danger and troubleshoot. Fast and efficient emergency response can minimize the impact of accidents, reduce the duration of construction stoppages, avoid widespread delays in the project schedule, and achieve a two-way guarantee of safety control and construction efficiency.
