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Laying Process of Reinforcing Mesh Panels in Bridge, Highway and Foundation Construction
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Laying Process of Reinforcing Mesh Panels in Bridge, Highway and Foundation Construction

Author:Hebei Zhuoxing Metal Wire Mesh Products Co., Ltd.  Source:www.zxfence.com Publication time:2018-12-3 Browse:

1. Plans should be drawn up before the laying of Reinforcing steel mesh. Professionals should be provided on-site for laying guidance according to the actual needs of the site. When the longitudinal reinforcing bar of the steel mesh is thin, the bending deformation function of the net can be used to bend the middle part of the welding net upward so that both ends can be pierced into the beam and then paved; when the steel mesh can not be tortuous, the end of the welding net can be welded less than 1-2 reinforcing bars and then pierced into the beam and tied up in the field with straight bars. Methods The steel wire should be used at every joint where the additional steel bar of transverse reinforcing bar is connected with the welding net.

Reinforcing steel mesh

2. The bottom net should be installed by erecting reinforcement and cushioning mesh. The overlapping joints of two-way ribbed bars should be located in the less stressed area and outside the 1/4 net span section from the edge of the beam. The overlapping length should not be less than 30 dd, and the diameter of the bars should not be less than 250 mm. The minimum lap length of the overlap joint between the ends of two pieces of welded steel mesh shall not be less than 1.3 times of the minimum anchorage length la, and shall not be less than 200, and the interval between the transverse reinforcement of each piece of welded steel mesh in the overlap zone shall not be less than 50. When one of the two reinforcing bars in the overlap zone has no transverse reinforcing bar, the minimum overlap length of the ribbed reinforcing bar network should be 1.3 times of the minimum anchorage length La and should not be less than 300 feet. When the diameter of the longitudinal steel bar in the overlap zone is greater than 10_, the overlap length should be added for 5 days. The overlap length of Zhuoxing steel bar net in compression direction should be 0.7 times of the overlap length of tension steel bar and should not be less than 150. In the lapping of distributed reinforcing bars in non-stressed direction of Zhuoxing reinforcing bar net in Hebei Province, when the lapping method or buckle-lapping method is selected, each reinforcing bar net piece of ZX brand should have at least one overlapping length of stressed main reinforcing bar not less than 20dd, the diameter of distributed reinforcing bar should not be less than 150 feet, and a flat lapping method and a reinforcing bar net piece should be selected. The lapping length should not be less than 20 days and not less than 200 feet when there is no stressed main reinforcement in the lapping area. When the diameter of reinforcement is D8 in the lap zone, the lap length should be added for 5 days.

Welded reinforcing mesh

3. When laying Reinforcing steel wire mesh, we should not only satisfy the anchorage of reinforcing steel mesh with other components, but also satisfy the overlap between reinforcing steel mesh and reinforcing steel mesh. A horse stool is laid in front of Zhuoxing reinforcing steel mesh. The distance of the horse stool is generally 600,900 mm. Because when the reinforcing steel mesh is stacked, if there are two layers of reinforcing steel mesh stacked at the side span, the horse stool less than 1.5 cm should be selected to ensure the thickness of the protective layer of reinforcing steel. In the course of paving, when there is conflict between Zhuoxing reinforcing bar mesh and steel column, it is necessary to cut part of reinforcing bar mesh according to the scale of steel column as little as possible. When the steel floor opens, the reinforcing bar mesh or straight bar reinforcing bar will be cut off at the edge of the hole, and the reinforcing bar mesh or straight bar reinforcing bar should be reinforced according to the planning requirements. Anchorage should be carried out at the side beam. The anchorage length is 30 days. After the installation of welded reinforcing steel mesh is finished, because the reinforcing steel mesh with single layer reinforcement can not be fixed, in order to avoid the deformation of reinforcing steel mesh caused by the arch of reinforcing steel mesh and the displacement of the reinforcing steel mesh when pouring concrete, it is necessary to tie the reinforcing steel mesh with Zhuoxing reinforcing steel mesh, and to tie the reinforcing steel mesh with the embedded electric pipe or anchor.

Welded steel reinforced mesh

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