Fuzhou Bridge Drain Pipe Manufacturer Square Drain Pipe Manufacturer

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　　Fuzhou Bridge Drain Pipe Manufacturer Square Drain Pipe Manufacturer

　　The construction of bridge drainage pipes should be carried out according to the planning requirements. The bridge drainage pipes should protrude from the bottom of the structure by no less than 30mm and have a longitudinal spacing of no more than 4m. For bridges on overpasses, the bridge drainage pipes should not be directly hung under the slab. The bridge drainage pipes can be directly led to the above ground bridge drainage pipes through longitudinal and vertical drainage pipes, which is suitable for paving structures with waterproof layers. The inner diameter of the bridge drainage pipe 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.

　　The surface of the bridge drainage pipe is beautiful and elegant, the inner wall is lubricated, the friction coefficient is small, the inner wall of the pipeline is corrosion-resistant, wear-resistant, does not scale, reduces the frictional resistance of the fluid, improves the fluid transport power and reduces noise. Bridge drainage pipes have the advantages of high impact resistance, high mechanical performance, good durability, and strong bending resistance, which reduces the problem of breakage during construction and application.

　　Since the end of 2015, the national environmental protection department has pointed the "sword" of environmental inspection towards Hebei. Subsequently, the environmental storm continued to spread throughout the country. So far, the environmental protection department has organized four large-scale environmental inspections, covering 31 provinces. Industries such as papermaking, textiles, hardware, sponges, leather, wood, printing and dyeing are all experiencing pain. And all of these are closely related to the retail industry. If the quality is good, there will be fewer mistakes and omissions. In addition, the cast iron drain pipes produced by our company have a wide temperature range and good dimensional stability during temperature changes, making them particularly suitable for drainage systems such as airports, roads, railways, bridges, etc. Only by working hard can we achieve great things and receive praise from construction units. 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. Strive to build Hengshui Changli into a construction operator with diversified production and sales of highways, expressways, and bridges. Wherever the wind of environmental protection blows, the manufacturing industry will experience a painful experience. Generally speaking, small manufacturers have outdated production lines, weak pollution discharge capabilities, and even lack environmental protection equipment. During the inspection and supervision, factories that fail to meet the standards are forced to close down or suspend operations for rectification. For example, in Gaoyang County, Hebei Province alone, 75 printing and dyeing factories have been ordered to shut down twice. According to insiders, after the inspection team arrived in Zhejiang, 90% of local factories in Zhejiang have suspended production.

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