Due to the increase of traffic flow and the increase of load, bridges are suffering from various diseases and need to be reinforced urgently.
Due to the increase of traffic flow and the increase of load, bridges are suffering from various diseases and need to be reinforced urgently.
Reinforcement method | Steel plate bonded | CFRP strengthening | In vitro prestressed reinforcement of steel strand | Pre-stressed CFRP laminate |
Influence on the original structure | Increasing the original structure weight and size, may damage the original structural steel bar. | Basically, it will not increase the original structure weight and size, and will not damage the original structure. | Increasing the original structure weight and size, may damage the original structural steel bar. | Increasing the original structure weight and size, may damage the original structural steel bar. |
Reducing the deformation of the component or closing the crack | The deformation of the original structure can not be reduced and the cracks can not be closed. | The deformation of the original structure can not be reduced and the cracks can not be closed. | It can reduce the deformation of the original structure and seal the cracks | It can reduce the original structural deformation and reduce or seal cracks. |
Construction conditions | Mechanical assistance is required and is not suitable for curved corner reinforcement | Construction is convenient | Construction is convenient | Construction is convenient |
Construction period | Short | Short | Long | Short |
The labor | Many | Less | Many | Less |
Construction quality control | It is not easy to find reinforcement defects, and finding problems is not easy to remedy. | It is easy to find reinforcement defects and find problems easy to remedy. | It is easy to find reinforcement defects and find problems easy to remedy. | It is easy to find reinforcement defects and find problems easy to remedy. |
| Maintenance | Anticorrosion treatment on a regular basis | Periodic inspection | Periodic inspection | Less maintainance |
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Углеткань продлевает срок эксплуатации, увеличивает прочность и устойчивость к появлению трещин на сооружениях и зданиях.
Предварительно спрессованная система углеродная ламель используется для устранения трещин в бетоне и значительного улучшения несущей способности решеток.
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