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Externally bonded CFRP sheet on concrete and masonry structure
The difference between the masonry structure and the concrete structure of externally bonding carbon fiber reinfroced polymer(CFRP) sheet:Substrate difference,Material surface difference,Construction methods difference
2020-03-24 13:30:21
How to deal with the different interfaces for reinforcement?
In the reinforcement project, the concrete interface treatment is very important, which is related to the final reinforcement effect. Aiming at the different interface between new and old concrete, new concrete and old brick wall, a series of interface treatment technologies are adopted to consolidate the reinforcement surface and achieve good results.
2020-03-25 10:29:04
Strengthening methods of weak and easy to reverse parts
2) wall seismic capacity of the braced girder can not meet the requirements, can be added for masonry columns, column, reinforced concrete column or the mortar layer, method of reinforcing steel net wall.
2020-03-24 13:31:16
Reinforcement methods should be adopted
Reinforcement methods should be adopted when the integrity is not satisfied
2020-03-23 13:22:06
Design principles for seismic reinforcement of existing building
The strength grade of the material used for reinforcement should not be lower than the actual strength grade of the original material.There should be a reliable connection between the new components and the original components, and the new aseismic walls and columns should have a reliable foundation.
2020-03-24 13:34:12
Reinforcement method should be adopted when the seismic bearing
System reinforcement is aimed at the overall seismic performance of the building structure which is less than the current seismic appraisal standard, and the reinforcement is reinforced by local members for the lack of bearing capacity of the local members.
2020-03-25 10:31:11
The method of reinforcement of RC structure
The following reinforcement methods should be adopted when the structural system and the seismic bearing capacity of reinforced concrete buildings are not satisfied
2020-03-24 13:34:48
Why does structural reinforcement need to removed the load?
if the load is removed before the reinforcement of carbon fiber cloth, the situation is completely different. Due to reducing the influence of two times of load and decreasing the lag strain of CFRP, the old and new two parts can enter their respective limit state at the same time, and the overall bearing capacity of the structure can be significantly improved.
2020-03-24 13:35:29
The main reasons for structural strengthening
The main reasons for structural strengthening:materials reson(unqualified cement quality),design reason(lack of security design),change usage(seismic reinforcement of existing buildings),construction reason(construction method is wrong),environment reason（concrete corrosion，corrosion of steel bar）
2020-03-24 13:37:38
Which buildings need seismic strengthening?
In order to protect the life and property, the building have to do seismic strengthening. However, some buildings have not been aseismatic in the design and construction, which requires the seismic identification and reinforcemen . In particular, the old buildings, such as the general hotel, need to be identified as a whole in the new era and to be reinforced in accordance with the design.
2020-03-24 13:39:00