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1. Basic requirements for steel pipe pile construction During the construction of high-speed railway bridges, steel pipe piles are the main part of the bridge support system, and their construct...

The normalizing process is a heat treatment process that heats the square rectangular tube to above Ac3, holds it for an appropriate time, and then cools it in still air. Normalizing that is heated...

The steel sheet pile is a type of steel with a lock. Its cross-sections include straight plate, groove Z-shaped, etc., and are available in various sizes and interlocking forms. Its advantages are ...

Piling is a common foundation treatment method. It uses steel sheet piles as retaining structures and drives them into the ground with a pile driver to strengthen the foundation and prevent soil la...

1. The inspection of new steel pipes should comply with the following regulations: (1) There should be a product quality certificate; (2) There should be a quality inspection report;

1. The structure is light in weight. Compared with the concrete structure, which is lighter in weight, the reduction of the structure's weight reduces the internal force of the structure design, wh...

The anti-corrosion method of anti-corrosion steel pipes generally uses coating anti-corrosion. Coating anti-corrosion is to apply paint evenly and densely on the surface of the rust-removed metal p...

Square and rectangular tubes are a common structural material commonly used in construction and mechanical engineering. The r-angle of a square rectangular tube refers to the corner radius of the s...

1. Definition of scrap steel Scrap steel that is eliminated or damaged in the process of production and life and used for recycling is a general term for ferrous metal waste, including scrap steel...

Galvanized coils can be classified and inventoried according to different surface conditions and treatment methods, including the following types:

The removal of broken curtain wall glass and curtain wall glass removal is a very technically difficult task in glass replacement construction. In addition to fully understanding the structure of t...

Surface pretreatment: Treating the substrate through chemical degreasing and chemical conversion treatments. Coating preparation: After surface pretreatment, one or several layers of organic coati...