What is the specific content of the application research of geotechnical engineering construction technology? Zhongda Consulting will answer it for you below.
1. Application of caisson construction technology
Caisson construction technology does not require a large site, has strong integrity, has less impact on the surrounding environment, and has greater Large disaster area, good stability, and able to withstand larger loads. In urban pipeline construction projects, caisson construction technology can be used to avoid excavation occupying too large an area and obstructing traffic. Therefore, it has been widely used in the urban construction process. The caisson construction technology is to build a wellbore-like structure, excavate soil from it, use its own gravity to sink to the designed elevation, and finally seal the bottom with concrete and fill the well hole to complete the caisson construction technology. The construction process mainly includes foundation treatment, quiet bottom sealing, foundation pit excavation, capping, and caisson production. When implementing caisson construction technology, attention must be paid to strengthening the observation of the caisson sinking process according to the geological conditions of the construction site. When designing the caisson, the sinking hydrochloric acid and the angle must be carefully reviewed, and the variations must be adjusted and analyzed in a timely manner to ensure caisson construction. quality to ensure compliance with construction requirements.
2. Application of mud wall-protecting bored pile construction technology
Currently, technological materials and construction equipment are constantly innovating, and some new geotechnical engineering construction technologies have been derived, and has been widely used. In modern geotechnical engineering, the commonly used construction technology is the mud wall-protecting bored pile technology. This technology has no vibration and noise, and has a small backlog. It is suitable for strata with shallow groundwater levels. Its construction technology principle is to use mud to carry slag away. Come out, and the hole wall must be protected throughout the process to prevent collapse. Finally, the underwater concrete pouring method is used to replace the mud. It includes pile positioning, concrete pouring, casing burying, connecting pipes, drilling rig positioning, first and second hole cleaning, drilling and other construction processes. During the entire construction process, attention must be paid to construction in accordance with the engineering design and construction plan. Verify that the design requirements are met through the test pile process.
3. Application of shotcrete construction technology
Shotcrete construction technology is an important reinforcement method in modern geotechnical engineering construction technology. It has good durability and high mechanical strength. Performance, suitable for deep foundation pit support, etc., through combined use with steel mesh, the process includes bottom treatment, spraying, water spray moistening, mixing mixture, setting up fixed steel mesh, maintenance and other links. During the application process, we must pay attention to issues such as the reasonable selection of residential spray materials and maintenance of spray equipment to ensure the strength of the concrete.
4. Application of foundation treatment and construction technology
At present, my country's foundation treatment and construction technology is relatively mature, and the technology for overall moving of buildings is at the world's advanced level, and steel slag piles have been developed Construction technologies such as composite foundations and slag review foundations are carefully developed and designed by engineering technicians based on actual geotechnical engineering characteristics. By using these technologies, the foundation has a high bearing capacity. In addition, it can also reduce urban pollution, reduce geotechnical engineering fees and costs, improve the surrounding environment, and save engineering resources. Among them, the new type of foundation treatment and construction technology is the reinforced concrete sparse pile review foundation technology, which combines the dual characteristics of pile foundations and composite foundations, which is conducive to exerting its own load-bearing capacity and effectively controlling the settlement of structures. The construction method of underpinning technology for foundation treatment has developed rapidly and is widely used in various geotechnical projects. Trenchless technology is a new geotechnical engineering construction technology with high economic benefits. It requires replacement, detection of underground pipeline equipment, laying and other work without excavation of the surface, and has certain social benefits.
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