1.Rapid solidification: After adding an appropriate amount of water to stir the quick-hardening grout
It can reach the initial and final setting in a short time, which greatly shortens the construction time.
2.High strength: The quick-hardening grout has high compressive, flexural and tensile strength, which can meet the needs of various projects.
3.Good durability: The quick-hardening grout has good durability and can withstand the erosion of natural factors such as long-term exposure to the sun and rain, freeze-thaw cycles, etc.
4.Simple construction: The construction process of fast-hardening grout is simple, easy to operate, and does not require special equipment and technical requirements.
5.Good environmental protection: the fast-hardening grouting material will not produce harmful substances during production and use, and it is harmless to the environment.
Second, the application field of fast-hardening grout.
Due to the above characteristics, fast-hardening grout has been widely used in the following fields:
1.Construction engineering: It is widely used in foundation grouting, floor reinforcement, crack repair and other aspects of high-rise buildings, workshops, workshops and other buildings.
2.Bridge engineering: It is applied in the grouting reinforcement and bearing installation of bridges, which can improve the bearing capacity and stability of bridges.
3.Water conservancy engineering: It has been applied in the foundation treatment and dam reinforcement of water conservancy projects such as water conservancy hubs, dams, and reservoirs.
4.Electric power engineering: It has been applied in the foundation grouting and equipment foundation of power projects such as power stations and nuclear power plants.
5.Other fields: It has also been widely used in mining, petrochemical, environmental protection and other fields, such as mine shaft support, oil tank grouting reinforcement, etc.
3. Preparation process of fast-hardening grout.
The preparation process of fast-hardening grouting mainly includes the selection of raw materials, mix ratio design, mixing process and curing method. Among them, the selection of raw materials is the basis for the preparation of fast-hardening grout, the mix ratio design is the key, and the mixing process and curing method directly affect the performance and quality of the product. The specific preparation process is as follows:
1.Selection of raw materials: select cement, admixtures, admixtures and other raw materials that meet the requirements of the standard to ensure the performance and quality of materials.
2.Mix ratio design: According to the engineering requirements and the performance of raw materials, a reasonable mix ratio design is carried out to determine the dosage and proportion of each material.
3.Mixing process: Adopt appropriate mixing equipment and methods to ensure that the raw materials are fully mixed and evenly mixed, and at the same time avoid segregation and water leakage.
4.Maintenance method: Select appropriate maintenance methods and conditions according to the performance requirements of the product to ensure the strength and durability of the product.
Fourth, the future development direction.
With the progress of science and technology and the development of society, the application prospect of fast-hardening grout will be broader. The future development direction mainly includes the following aspects:
1.R&D of new materials: Continuously explore new material compositions and preparation processes to improve the performance and quality of fast-hardening grouts.
2.Green environmental protection: strengthen environmental awareness, promote environmentally friendly fast-hardening grout, and reduce pollution and damage to the environment.
3.Intelligent construction: the use of modern scientific and technological means to achieve intelligent construction of fast-hardening grout, improve construction efficiency and quality.
4.Expand the application field: further expand the application range of fast-hardening grout in various fields to meet the needs of more projects.