The effect of strengthening with silicone structural adhesive is very good

2020-02-27 14:51:32

This kind of application scope is mainly to use silicone structural adhesive as a kind of bonding data, to firmly bond the steel plate or profile used for reinforcement, or other reinforcement data (such as carbon fiber, aramid fiber, and chloro fiber) on various reinforced concrete components, such as beams, columns, nodes, bracket plates, tunnels and arch roofs, etc., and the completed reinforcement projects have achieved satisfactory results.

Taking the beam as an example, it can be a common bearing beam on a building, a beam for a crane, a beam and a slab beam of a highway bridge, a reinforced concrete beam of a railway bridge, etc. after careful design and construction, the effect of reinforcement is very good.

Silicone structural adhesive can also stop bonding and repairing all kinds of old buildings and ancient buildings (wood structure, concrete structure, stone structure and brick structure), and also can stop repairing a unit component. Its repair technology is tedious and the repair effect is good. There are many examples of this application. In addition, it has been used for decades in the repair of highway surface and airport runway, and the bonding in underwater has a broad prospect.

With the development of China's economy and the rapid development of the construction industry, the traditional building structure has changed into frame structure, aluminum alloy doors and windows, light wall prefabricated parts, and various curtain walls. With the curtain wall as the outer wall of the building, a high demand for joints is put forward, and a variety of high-grade building sealants emerge at the historic moment. Silicone sealant, as a construction joint sealant, is applied to the gluing and sealing of glass curtain wall, aluminum alloy doors and windows and plastic steel doors and windows. The global application amount reaches 500000 tons / year, and the domestic consumption amount reaches 200000 tons.

The sealing adhesive is mainly used for the joint of door, window and prefabricated building. In the past, tung oil and lime were used as sealant after mixing. Now it is required to use synthetic adhesive for more than two floors of buildings. The top grade sealing adhesive is silicone and polyurethane adhesive, the middle grade is neoprene adhesive, polyacrylic acid, etc. In China, in the construction adhesive market, organic silica gel adhesive and polyurethane sealing adhesive should be the future development direction.