The following will explain to you the relevant content of how to deal with the pressure grouting reinforcement construction, I believe you will understand this after reading it.
Pressure grouting reinforcement is a commonly used foundation treatment method to improve the bearing capacity and stability of the foundation by injecting high-strength grouting materials. It needs to be treated during the construction process, and the following is an in-depth analysis of the pressure grouting reinforcement construction.
1. Definition: Pressure grouting reinforcement refers to a reinforcement method that injects the grouting material into the void inside the foundation through the action of a certain pressure, fills and solidifies it, so as to improve the strength and consolidation performance of the foundation. This method is suitable for situations where the soil is loose or there are cavities.
2.Material selection: In pressure grouting construction, commonly used grouting materials include cement slurry, polymer slurry, bentonite slurry, etc. Among them, cement slurry is suitable for denser soil, polymer slurry is suitable for projects that require higher grouting pressure and longer curing time, and bentonite slurry is suitable for loose soil with high water-to-soil ratio.
3.Scheme selection: Before the pressure grouting reinforcement construction, it is necessary to select the scheme. According to the condition of the foundation and the purpose of reinforcement, different schemes such as single-point grouting, grid grouting, and wellbore grouting can be selected. Single-point grouting is suitable for local foundation treatment, grid grouting is suitable for a large range of foundation reinforcement, and wellbore grouting is suitable for deep reinforcement and foundation pit support.
4.Related content introduction: In the process of pressure grouting construction, some related content also needs to be considered. For example, the selection of grouting pressure needs to be determined in combination with the bearing capacity of the foundation and the characteristics of the soil; The arrangement of grouting holes needs to be designed according to the situation of the foundation and the reinforcement scheme; The mixing ratio and grouting speed of the grouting slurry need to be determined according to the actual situation.
Pressure grouting reinforcement is an effective foundation treatment method, which can be understood and applied through the introduction of definition, material selection, scheme, and related content.