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• Time of issue:2021-07-10 18:09
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(Summary description)　　The plastic corrugated pipe has high compressive strength and is not afraid of stepping on it. It is not easy to be broken by vibrating force. Its sealing effect and anti-leakage effect are higher than that of corrugated hoses. It is more suitable for vacuum pump grouting; plastic corrugated pipes are not conductive. , Can avoid the corrosion of stray current, and metal materials are good conductors of electricity; plastic bellows have a good diligent and studious effect, and can further improve the fatigue of the prefabricated components. The material of the material bellows is.
　　Its corrosion resistance is far better than metal materials, it is not afraid of acid and alkali corrosion, it does not corrode itself, and it can reasonably protect and maintain the prestressed tendons from corrosion. Many prestressed structures bear more serious external damage, such as melting ice salt or salt water. When the post-tensioned prefabricated component is broken or ineffective due to the collapse of the ground waterproof, the water seepage in the micro gap, and the obstruction of the drainage system.
　　 The pre-stressed tendons may suffer from the actual effect of corrosion. The plastic corrugated pipe can provide a natural barrier for the prestressed tendons, which is far better than the corrugated hose, to protect and maintain the actual effect. It can avoid the environmental pollution of harmful substances through the pipeline, and then ensure that the post-tensioned prestressed structure has a good effect. Performance.
　　 What are the uses and advantages of plastic bellows? The main use of prestressed plastic corrugated pipe products: prestressed plastic corrugated pipes are used in road bridges, railway line bridges, engineering construction, water conservancy projects, power engineering and other national priority projects. Product characteristics of prestressed plastic bellows: 1. Stiffness test: anti-centralized load 0.75KN or symmetrical load 1.5KN.