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Advanced composites in bridge construction and repair

The advanced composite materials have the advantages of corrosion resistance, light weight (1/5 to 1/4 of the bulk density of steel), high strength (the strength is higher than the high strength steel wire or the equivalent).

2018-07-17 18:50:40

Beam and column strengthening for change the building function

Strengthening reinforced concrete(RC) beams (1)Cross section of a cantilever beam (2)Sticking steel plate on top of the cantilever beam (3)Cross section of positive cross section beam (4)Inclined cross section of beam with carbon fiber reinforced wrap

2018-07-16 14:33:28

Industrial workshop seismatic retrofitting

Due to the increase of the bearing capacity of the roof and seismic strengthening, it is necessary to reinforce the frame beam and floor with carbon fiber fabric and steel plate.

2018-07-04 18:21:09

Disease and reinforcement of existing steel mixed girder bridge

The existing steel mixed girder bridge is insufficient or the load level is required to be raised, the strengthening method of prestressing or sticking carbon fiber fabric(CFRP) can be used

2018-09-17 15:36:23

Carbon fiber fabric reinforced brick masonry chimney

The cracks are first treated by grouting and sealing, so as to restore the integrity of cracked masonry, and then reinforce the treatment with carbon fiber fabric. After strengthening, it has been used for more than a year, and no new cracks have been found

2018-07-02 17:58:05

Disease and strengthening method of RC T-beam bridge

The maintenance and reinforcement of old RC T-beam bridges has the characteristics of short construction period and small investment, which can bring great economic and social benefits.

2018-06-19 16:18:31

Analysis and treatment of cracks in RC beams

Cracks and their expansion are the precursors of structural damage and collapse, and cracks reduce the bearing capacity of the structure. So structural strengthening system is needed.

2018-06-15 16:15:02

Retrofitting of Timber Beams in Historical Buildings

Many existing reinforcement methods can repair the beam to a certain extent, but have their limitations, and carbon fiber reinfroced polymer(CFRP) strengthening can be widely used in the reinforcement of the wooden beams of the ancient buildings because of their good repair effect and the features that have no influence on their appearance.

2018-06-13 17:00:19

Treatment measures for concrete cracks

Concrete crack​ is a common phenomenon in concrete structure. Its appearance will not only reduce the anti seepage ability of the building, affect the use function of the building, but also cause corrosion of steel bar, carbonization of concrete, reduce the durability of the material and influence the bearing capacity of the building, so it is necessary to enter the concrete crack.

2018-06-08 13:04:44

Load-bearing strengthening in the machine room

Now load-bearing strengthening method can be divided into： steel plate strengthening, FRP strengthening, the structural strengthening, the dismantling and strengthening of the load-bearing wall, and post installed anchor.

2018-06-08 11:35:52
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