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The methods for strengthening bridge superstructure
In general, there are several ways in the superstructure strengthening of bridge 1. CFRP reinforcement method 2. Bonded steel plate (tendons) reinforcement method 3. Prestressing FRP reinforcement method 4. Enlarging member section and reinforcing reinforcement method 5. Reinforcement method of rebars planting
2020-03-26 13:34:41
Applicability of different retrofitting methods
What are the main methods of structural strengthening? What is the difference between the applicability of structural strengthening methods?
2020-03-25 11:04:36
Which method is suitable for the column seismic reinforcement?
There are many kinds of seismic strengthening methods for columns. CFRP sheet is one of the most recent reinforcement data in recent years. It is very effective for reinforced concrete under bending, axial compression, large eccentric compression and tensile member reinforcement.
2020-03-25 10:49:25
Key points for old building retrofitting
In the modern society, because of the economic and political development, many existing buildings can not meet the needs of the present stage. It is necessary to reinforce the old buildings.
2020-03-25 10:43:58
The necessity of bridge strengthening
Why should the bridge be strengthened?The retrofitting and reinforcement of the bridge can not only improve the capacity and service level of highway bridges, but also eliminate the hidden dangers of traffic safety to a certain extent.
2020-03-24 14:06:11
The structural strengthening materials for beam
Which structural strengthening materials can effectively reinforce various damage of structural beams?Carbon fiber reinforced polymer(CFRP) wrap,Epoxy bonded steel plate, Anchoring adhesive, Steel jacketing adhesive
2018-02-28 11:37:05
Bond steel plate reinforcement to repair cracks
The girders have cracks due to occasional factors, and their usability is not affected. But the safety level is low, the use of bonded steel plate reinforcement has fewer advantages, such as less engineering volume and relatively low cost.
2020-03-23 11:25:08
Comparison of various strengthening methods
Comparison of various strengthening methods：FRP strengthening, concrete jacketing, steel plating bonding system
2020-03-23 13:16:14
Concrete beam strengthening
Concrete beam strengthening method: externally bonded carbon fiber and epoxy bonded steel plate,both are bonded to the surface of the concrete member with an adhesive to reinforced by flexural members, reinforced by tension members
2020-03-21 15:25:14
The first point of crack repair--surface treatment
Along the crack, insert the bamboo stick or other nails as a temporary mark in the crack to find the crack after grinding. And then on both sides of the cracks on both sides of the original parts of the surface, with a blasting machine or grinding machine grinding flat until the exposed solid new surface, after inspection without grease, dirt with a compressed air machine or vacuum cleaner clean.
2020-03-20 16:33:00