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Surface treatment: hot-dip galvanized, cold galvanized, sprayed, hot dip and so on. Surface color is generally green and harmonize with the environment
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It is made by welding Q235 material wire. The wire is vulcanized and coated with pvc or PE or PP powder. It has strong adhesion, good corrosion resistance and bright color.
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After wire welding, it can also be separately plated, hot-plated and spray-coated
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Precautions Dutch net column: Dutch net column: generally made of 48mm diameter iron tube repression, the end column with 60 tubes to suppress. Because its shape resembles a dovetail, it is also known as a swallowtail. The length of the Dutch net column is: 1.5m, 1.8m, 2.1m, 2.3m, and the general thickness is: 0.8mm/1.0mm/1.2mm. The column is accompanied by a snap cap with a column cap, a post and a mesh plate, and a special tool pliers. The cement and gravel are used for precasting and placing a 30 cm column. After fixing for 24 hours, the mesh is installed. The mesh is connected to the column with a special tool pliers, because the Dutch net is about 30 meters long. According to the terrain can change direction. Can be cut off, so that the installation is greatly facilitated, saving both manpower and money.
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The Dutch net is often called welded wire mesh and welded wire mesh. It was the introduction of the Dutch net production line from France by the Taiyuan Steel Plant from France in the 1980s. After that, the Nanjing Rolling Steel Plant introduced a production line from Austria, followed by Shanghai, Shenzhen, Shandong, and Zhangjiagang. Maianshan, Heshan, Tianjin, Beijing, and Anping also successively established welded wire mesh factories.
Dutch net technical regulations stipulates that welding nets should be made of LL550 cold-rolled ribbed steel bars, and can also be made of LG510 cold drawn smooth steel bars. A Dutch net should be welded using the same type of reinforcement. Welded meshes are classified into two types, shape and custom, according to their shapes and specifications. The spacing and diameter of steel bars in the two directions can be different for a fixed Dutch net, but the steel bars in the same direction should have the same diameter, spacing and length, and have been specified in relevant standards and regulations. The shape and size of the custom Dutch net should be determined by both the supplier and the buyer, in accordance with the design and construction requirements and the specific project conditions. The Dutch steel bar has a diameter of 4-14mm, in which a 0.5mm diameter can be used. Considering the transportation conditions, the length of the Dutch net should not exceed 12m and the width should not exceed 3.4m. The spacing of rebars (or longitudinal bars) in the Dutch net production direction should be 100, 150, 200 mm, and the rebar spacing in the other direction is generally 100, 150, 200, 300 mm, sometimes up to 400 mm. When the Dutch net longitudinal and transverse reinforcements are single-stranded, the nominal diameter of the finer reinforcements shall be not less than 0.6 times the nominal diameter of the thicker reinforcements, ie dmin ≥ 0.6 damx. The shear resistance (in N) of web welded joints in the Netherlands should not be less than 150 times the product of the thicker bar nominal cross-sectional area (in mm2).
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Dutch net manufacturing process
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