How to protect with reinforced grid net in rainy season.
Published:
2020-12-03
Reinforced grid mesh is made into double kink hexagonal mesh according to design size and specification, and then assembled into box mesh cage or cushion mesh cage on site. The construction of grid mesh mesh cage is mainly vertical frame, loading, leveling and sealing, etc. Before installation, the base and slope should be properly trimmed, and there should be no obvious uplift or sag. The base soil quality and soil compactness of reinforced grid mesh, the depth and contour line length and width of cage in foundation layer should meet the design requirements
In order to protect the safety of bridges and embankments, it is necessary to lay reinforced gabion mesh on concave banks, and the forms of revetment include direct protection and indirect protection. Direct protection is to directly reinforce the river bank slope with reinforced gabion mesh to resist the erosion and erosion of water flow; indirect protection is suitable for river sections with wide riverbeds or long protection lengths, and spur dams, parallel dams and grid dams can be built. Dams, etc., to lift the flow of water away from the river bank.
Gabion retaining wall slope protection that provides anti-sliding force can be roughly divided into rigid self-weight retaining wall and flexible self-weight retaining wall.
Reinforced gabion mesh is processed by the factory into a double-knotted hexagonal mesh according to the design specifications, and then assembled into a box-type mesh cage or a pad-type mesh cage on site. , laying flat and sealing, etc., before installation, the base and slope should be properly trimmed, there should be no obvious uplift or depression, the base soil quality and soil compactness of the reinforced gabion net, the depth and outline of the base layer cage The length and width of the line and the elevation of the foundation bottom shall meet the design requirements.
When installing, erect the four sides of the cage and lock the adjacent edges with binding. When binding the lock, twist the binding wire around two overlapping frame wires or the double-knotted edges of the frame wire and the cage in a spiral shape to avoid replating Zinc damage, the pitch is not greater than 50mm. The installed net cages are placed in place with staggered seams to avoid longitudinal through seams.
The pebbles should be filled only after all the reinforced gabion nets are in place. In order to prevent deformation of the net cages, the height difference between two adjacent net cages should not be too large. The top surface of the stone filling is higher to allow room for settlement, so that the reinforced gabion can play a good protective role in the rainy season.
key word:
Gebin net
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