There are many questions about the interpretation of the grouting and pouring reinforcement construction steps, and the following will be introduced in detail, I hope you can understand this and solve your confusion.
Grouting reinforcement is a civil engineering reinforcement method that increases the strength and stability of a grouting material by injecting it into soil or concrete. The construction steps of grouting and pouring reinforcement mainly include the following aspects:
1. Rock mass investigation and analysis: investigate and analyze the rock mass or soil of the reinforcement object, understand its structure and mechanical properties, and determine the reinforcement plan and construction parameters.
2.Design grouting scheme: According to the condition of the rock mass or soil, combined with the preliminary survey results, determine the parameters such as grouting material, location of grouting hole, grouting hole diameter and grouting hole spacing, and formulate a grouting plan.
3.Borehole and hesel pile: According to the requirements of the grouting plan, drill or chisel piles on the reinforcement object to make it reach the position and depth required by the design.
4.Arrange the grouting pipe: Connect the grouting pipe to the borehole or chiseled pile to ensure that the grouting material can be smoothly injected into the target area.
5.Test grouting: Before construction, test grouting operations are carried out to test the patency of the grouting pipeline and the adaptability of the grouting material, and determine the construction parameters.
6.Formal grouting: According to the design plan, the grouting material is pumped to the grouting pipeline and injected into the borehole or chiseled pile. The grouting speed and grouting pressure need to be controlled according to the design requirements.
7.Grouting and observation: In the grouting process, it is necessary to observe the grouting situation at all times to ensure that the grouting material covers the entire borehole or chiseled pile. The grouting results are monitored and evaluated to ensure the effectiveness of the reinforcement.
8.Acceptance and evaluation: After the construction is completed, the grouting reinforcement results are accepted and evaluated, and the reinforcement effect is checked to meet the design requirements.
The relevant knowledge of grouting reinforcement involves many aspects such as soil mechanics, rock mechanics, grouting materials and grouting technology.
In terms of soil mechanics and rock mechanics, it is necessary to understand the mechanical properties and deformation characteristics of soil or rock mass to determine the feasibility and scientificity of the reinforcement scheme.
In terms of grouting materials, grouting materials usually include cement slurry, expansion agent, thickener, etc. It is necessary to study the properties and mechanism of different materials and select suitable grouting materials.
In terms of grouting process, it is necessary to master the technical points such as the layout of grouting holes, the selection and ratio of grouting materials, the control of grouting pressure and grouting speed, etc., to ensure that the construction process is safe and controllable.
Grouting reinforcement is also related to foundation engineering, geotechnical engineering, civil engineering, etc., and it is necessary to comprehensively consider factors such as land bearing capacity, foundation settlement, and soil permeability to formulate a reasonable reinforcement plan. At the same time, grouting reinforcement is also often used in special engineering fields such as tunnel engineering and subway engineering.
The construction steps of grouting reinforcement involve survey and analysis, scheme design, drilling and pile drilling, grouting pipeline layout, trial grouting, formal grouting, grouting observation, acceptance evaluation and other links. Relevant knowledge includes soil mechanics, rock mechanics, grouting materials and grouting processes. A clear understanding and mastery of these contents can effectively carry out the grouting reinforcement project.