Huaihua drainage pipe cast iron drainage pipe set is also wholesale price

Description :

　　A set of Huaihua drainage pipes made of cast iron is also a top priority for wholesale bridge drainage pipe manufacturers in terms of safety production. Our factory employees study safety regulations seriously and do a good job in safety management. Only by having an extra line of defense in their thinking and being more serious in their work can we ensure more safety. The square drainage pipe of the bridge is made of high-quality cast iron and is equipped with a square grate. Compared with the circular drainage pipe, the structure is simpler, and both circular and square have advantages, and the applicable paving structures are also different. The water in the bridge area flows into the drainage pipe through the inlet holes located on the side of the curb or sidewalk components, and corresponding water collection tanks are set up around the three edges of the drainage pipe to collect, guide, and intercept water. To prevent large pieces of garbage from entering and blocking the drainage channel, a cast iron grille cover is installed at the inlet of the water inlet. The main reason for poor drainage in bridges is that the original drainage system, especially the drainage pipe design, has too many bends and is relatively thin, resulting in insufficient drainage capacity. In addition, the aging of the drainage pipe also causes water leakage from the interface. However, this situation will gradually improve starting this year, and Beijing is currently carrying out special renovation projects for its drainage system. This year, we plan to replace and renovate the rainwater outlets and drainage pipes of seven overpasses, including Yansha Bridge on the Third Ring Road, Heping East and West Bridges, to increase the drainage capacity of the bridge deck, reduce the damage of rainwater to the bridge deck pavement, and extend the service life of the bridge deck pavement. During the renovation, efforts will be made to minimize the number of bends in the drainage system, and the drainage path will basically follow the pillars to divert water to the drainage ditch next to the trail. If the renovation effect is good, relevant renovations will be arranged every year, with a plan of three to five years, to improve the problem of poor bridge drainage in this city. In addition, the center is actively carrying out related work on the renovation of the pedestrian bridge drainage system. Some pedestrian bridges with accumulated water will be reinstalled with cast iron drainage pipes to improve drainage capacity. 1. Horizontal drainage is generally installed with rectangular cast iron drainage pipes at the intersection of wall guardrails and bridge decks. For small bridges with small spans and no sidewalks, sometimes in order to simplify the structure and save materials, horizontal holes can be directly reserved on the safety belts or curbstones on both sides of the roadway, and water can be discharged outside the bridge using iron pipes or PVC pipes. The pipe mouth should extend 0.02-0.03m from the component to facilitate dripping. 2. Circular cast iron drainage pipes are suitable for paving structures with waterproof layers, while square drainage pipes for bridges can be pre embedded with reinforced concrete or reserved holes during bridge deck construction. They are suitable for paving structures that use waterproof concrete without waterproof layers. The inner diameter of the horizontal drainage hole is generally 0.10-0.15m, and the lower end of the pipe should extend at least 0.15-0.20m below the bottom of the roadway slab to prevent moisture from seeping into the surface of the main beam ribs.

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