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An article to understand the construction requirements of road grouting reinforcement project] introduces in detail the requirements and precautions that need to be complied with in the construction of road grouting reinforcement project. Here's a closer look at a number of aspects:
1. The scope of project construction: road grouting reinforcement is mainly suitable for unstable soil or rock formations, mud soil, soft loess, soft clay and silt and other geological environments, and it is necessary to enhance the bearing capacity of the foundation and improve the engineering geological conditions of the roadbed, embankment, slope and other places.
2.Grouting materials: The grouting materials used in construction should meet the relevant regulations, such as the plastic viscosity and fluidity requirements of the grouting slurry, and have sufficient strength and stability to ensure the durability of the grouting effect.
3.Equipment and tools: The construction requires the use of special grouting equipment and tools, including grouting machines, grouting drill pipes, grouting pipes, etc. These equipment and tools should be inspected and maintained prior to construction to ensure their proper functioning and use.
4.Grouting construction method: choose the appropriate grouting method according to the actual situation, such as single grouting, multiple grouting, circulating grouting, etc. During the construction process, attention should be paid to controlling the grouting pressure and grouting amount to prevent the destruction of the soil and the leakage of the grouting liquid.
5.Grouting construction points: special attention should be paid to the following points during the construction process:
Determine the location and spacing of the grouting holes according to the design requirements.
The grouting holes should be of appropriate pore size and length to ensure that the grout is fully penetrated and filled.
The slurry performance of the grouting material should be confirmed by test, and the ratio and adjustment should be carried out according to the design requirements.
The grouting elevation should be consistent with the actual situation of the foundation to avoid construction quality problems caused by too low or too high grouting height.
6.Construction acceptance and monitoring: After the construction is completed, the corresponding quality acceptance and monitoring should be carried out. It includes the detection and evaluation of grouting holes, grouting bodies and grouting strength to ensure that the grouting reinforcement effect meets the design requirements.
Through the detailed introduction of the above aspects, we can clearly understand the construction requirements of road grouting reinforcement engineering, understand the basic principles and precautions of grouting reinforcement engineering, and provide guidance and reference for actual engineering operation.