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Cause Analysis of Culvert Defects and Reinforcement Treatment
In the construction of highway engineering, in order to make the road smoothly pass through the canal without obstructing the traffic, the drainage channel (through the passage) under the roadbed is built under the subgrade. Through this structure, the water can flow through the underside of the road.
2020-03-26 13:35:56
The main method of bridge strengthening
Pasting steel plate； FRP composites strengthenig；Enlargement section；Replacement of main beam method； Strengthen the lateral contact of bridge deck；Imposing external prestress method
2020-03-26 13:39:17
Technology of bridge strengthening and retrofitting
Bridge strengthening is generally to restore or improve the bearing capacity of existing bridges by improving the strength of the components and improving the structural performance, so as to prolong the service life of the bridge and adapt to the requirements of modern transportation.
2020-03-26 13:20:49
External steel plate systems for reinforced concrete column beam
By the method of sticking steel plate for reinforced concrete columns: improving the compressive strength of concrete, and solving the bending moment and insufficient shearing resistance of columns.
2020-03-25 11:06:38
Seismic strengthening of RC structures with FRP materials
Carbon fiber reinforced materials: CFRP, carbon fiber adhesiive. I carbon fiber cloth: ultimate strength standard value of not less than 3400Mpa, elongation of not less than 1.7% square meters, 150-300g/m2 unidirectional carbon fiber fabric.
2020-03-26 13:31:25
Advantages of FRP composite bridges
FRP composite has the advantages of light weight, high strength and strong corrosion resistance, making it a substitute for steel and prestressed tendons in concrete bridges.With the decrease of the cost of the fiber composite industry, the scale of its application in bridge structural engineering will continue to expand.
2018-03-14 14:31:54
FRP composite strengthening system in bridge engineering
The bridge structure in the tension side with the reinforcement method of epoxy resin bonded CFRP materials, has simple construction, low cost of strengthening (instead of steel reinforcement can save money 25 %), does not reduce the clearance under the bridge reinforcement materials
2020-03-25 11:03:52
Reinforcement method of brick concrete structure
Brick and concrete structure need structural reinforcement due to improper design or improper construction, inconsistent quality of materials, alteration of housing function, disaster and poor durability.
2020-03-25 10:56:35
Reinforcement of frame columns by planting rebar
According to the field test, 13 frame column deflection, which has 10 column bar deviation is greater than or equal to 30mm. For a steel bar with a bias greater than 30mm, we will planting rebars with HM-500 injectable anchoring adhesive.
2018-03-08 15:32:34
Planting steel rebars project
Planting steel rebars to ensure the reliable bonding of steel bar, beam, wall, column and slab concrete, so as to reduce the damage to the original structure.
2020-03-25 10:37:30