Gansu Dunhuang Bridge Drain Pipe Supplier Gansu Yumen Cast Iron Drain Pipe Usage

Description :

　　Gansu Dunhuang Bridge Drain Pipe Supplier Gansu Yumen Cast Iron Drain Pipe Usage

　　Material properties and construction characteristics of bridge drainage pipes

　　Cast iron bridge drainage pipe is an external steel pipe formed by adding other additives to high-density steel, which is determined according to different drainage requirements. Cast iron drain pipe, suitable for laying rectangular drain pipes on bridges with waterproof layers, features and key technologies for bridge drain pipes: The construction of cast iron drain pipes should be carried out according to the planning requirements. The drain pipe should extend from the bottom of the structure by no less than mm, and the longitudinal distance should not exceed m for bridges on overpasses and highways. The drain pipe should not be directly hung under the slab. Cast iron drain pipes are mainly used for railway bridge drainage, bridge drainage, and highway drainage. Cast iron drain pipe, suitable for paving structures with waterproof layers. The inner diameter of the drain pipe is generally such that the lower end of the pipe should protrude from the bottom of the roadway slab --Rectangular drainage pipes for bridges are suitable for paving structures with waterproof layers. Currently, most drainage pipes are made of cast iron. Cast iron drain pipes are heat sensitive plastics, and it is necessary to add heat stabilizers during the processing of products in order to form them. At present, the primary types of heat stabilizers used are lead salt stabilizers and organotin stabilizers - Installation and use instructions for rectangular drainage pipes on bridges. The construction of drainage pipes should be carried out according to the planning requirements. The drainage pipe should protrude from the bottom of the structure by no less than mm and the longitudinal distance should not exceed m. For bridges on overpasses, drainage pipes should not be directly hung under the slab. The classification of drainage bridge anti-collision guardrail supports can be done. Bridge anti-collision guardrail supports refer to guardrails set on bridges. Its purpose is to prevent out of control vehicles from crossing the bridge, with the function of preventing vehicles from breaking through and crossing the bridge, as well as beautifying the bridge building

　　During the 13th Five Year Plan period, in accordance with the regional functional positioning of the "Three Zones and One Base" coordinated development of the Beijing Tianjin Hebei region, Hebei Province focused on the new development concept and high-quality development as the theme, focusing on "resolutely removing, actively adjusting, and accelerating transformation", fully promoting quality transformation, efficiency transformation, and power transformation, accelerating the transformation of development mode from scale and speed oriented to quality and efficiency oriented, and achieving significant results in the construction of national industrial transformation and upgrading pilot zones.

　　The steel industry is mainly manifested in the comprehensive completion of overcapacity reduction tasks and the effective resolution of excess capacity. During the 13th Five Year Plan period, Hebei Province resolutely implemented the national strategic deployment, focused on the overcapacity and backward capacity of the "two highs" industries, strengthened market mechanisms, economic means, and legal methods, fully exerted the legal and regulatory constraints and standard forcing effects of environmental protection, energy consumption, water consumption, technology, quality, safety, etc., and focused on promoting production capacity, reduction and replacement, relocation and transformation, mergers and acquisitions, and other work. We emphasized both plugging and dredging, and successfully completed the target task of resolving overcapacity in key industries. During the 13th Five Year Plan period, the province reduced its crude steel production capacity by 82.12 million tons, coal production capacity by 55.9 million tons, and coke production capacity by 31.444 million tons. The steel production capacity decreased from its peak of 320 million tons to over 190 million tons, fully achieving the target of capacity reduction in key industries.

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