Gabion
Generalization
Also called gabion gabion because metal wire woven like wire, woven into the structure of horn shaped net (six mesh) into the cage
(1) No. six large galvanized hexagonal high quality low carbon steel wire braided wire, the diameter of up to 2.0mm-4.0mm, usually by galvanized steel wire surface protection, galvanized protective layer thickness can be made according to customer requirements, the largest amount of zinc can reach 300g/m2.
(2) galvanized wire plastic six angle net is the surface of galvanized iron wire wrapped in a layer of PVC protective layer, and then woven into a variety of specifications of the six angle network. This PVC protection layer will greatly increase the protection of the highly polluted environment, and through the choice of different colors, so that it can be integrated with the surrounding natural environment.
All of the following tests must be used before weaving mesh gabion mesh:
(1) all wire (including manufacturing gabion mesh, binding wire) the tensile strength of not less than 515MPa.
(2) elongation: at least 750px length of the test sample, the elongation at break is not less than 12%.
(3) the size error of galvanized steel wire and the requirement of zinc plating are shown below (Table 1). [1]
Table 1
(4) the zinc layer is attached to the requirements: when the galvanized steel wire around 4 times the diameter of the circle rod 6 weeks after the finger friction, the galvanized layer does not peel off, breaking phenomenon. Outsourcing resin film (PVC): (1) the tensile strength is not less than 2016MPa. (2) the elongation at break is not less than 200%.
Gabion mesh: (1) the tensile strength of not less than 4213kN /m. (2) the antipunching shear strength of not less than 2316kN /m. (3) the edge wire bonding strength is not less than /m 1715kN.
Wire cage assembly:
(1) the stone cage unit is complete set to the project site. Construction personnel will be the first piece of the upright, to ensure the accuracy of the location of the film.
(2) the four corners of the stone cage binding, binding by binding wire or metal ring.
(3) with the binding wire or metal ring buckle spacer and net body connection.
Two
Gabion characteristics
The wire cage is heavy angle net cage assembly six boxes, the filling of certain specifications to the box cages on the site, to meet certain requirements of the stone, to form a self waterproof, flexible and ecological protection structure.
A wire cage, or gabion pad surface by a layer of soil or natural sedimentary soil, can grow grass and other green plants, so that not only the river green environmental protection, but also.
Six angle net laying slope, plant trees and weeds can grow through the wire, not only fixed the stones, which is conducive to the green environment, with green plants to hold the soil and prevent the slope of rocky desertification.
Two, gabion mat or rocks and stones within the pore to create the conditions for the water flow, water and soil of the natural exchange, create environment for organisms and microorganisms in the water, so it can enhance the self purification capacity of water, protect and improve the water quality.
The retaining wall three, net cage masonry or laying revetment, due to filling the net cage for bulk solids, there are more pores, exudation of water, can be discharged in time, reduce the probability of the wall is destroyed, the deformation of the wall can also buffer sudden external shocks. This kind of stone cage net built the wall long life, long life, is one aspect of environmental protection.
Four, appearance: structural diversity and easy color stone cage cage, can provide every kind of design for our requirements, suitable for different regions of the landscape. At the same time combined with the flowers and trees, showing to the broad masses of the people's environmental protection of man-made landscape.
Five, the use of aging: braided steel wire gabion by galvanized, Galfan coated PVC, plating; there was still a lot of stainless steel material, long service life. According to the test, the plastic coating soaked in 30 percent concentration of hydrochloric acid for 10 days, no plastic color, no crack phenomenon. Thus, even in the use of stone cage net high pollution area, corrosion is reliable. [2]
Three
Application of gabion:
1, when the river dam project suffered tide rushing, scattered stone washed away when the wire cage should be thrown to rescue, protection of water pressure under the root rock slope, to prevent acute slipped Chong Jie lost.
2, should be in a certain basis for the root of the stone, the use of the upper. Because of the root stone (below 5 meters) lost, less than the middle and upper.
3, the general should be used in the root of the collapse of the steep slope, not used in the flat on the slope.
4, the water near the housing construction foundation reinforcement
5, residential green and the surrounding decoration and Green Lake Conservation
The wire cage can also be used for slope, foundation pit, mountain rock hanging nets shotcrete slope vegetation (green), railway highway isolation fence, it also can be made into trunks, mat, for rivers, dams and seawall protection against erosion and reservoir, river closure with net box.
Controlling and guiding the river and flood
River is the most serious disaster is the flow of water to the river bank to destroy, causing flooding, resulting in a large number of loss of life and property and a large number of soil and water loss. Therefore, in dealing with these issues, the lattice structure of the eco grid application has become one of the best solution, it can be permanent river bank protection.
Canal canal bed
Channel construction, related to the stability of slope and river bed. The eco grid structure, is the main method of many natural river reconstruction for hundreds of years and the excavation of artificial canal. It can effectively protect the river bank and river bed. He also has the function of controlling water flow, preventing the loss of water, especially in environmental protection and water quality.
Slope revetment
Grid structure of ecological revetment and its application and the rivers protection slope is a very successful example, which give full play to the advantages of eco grid. The other method cannot achieve physical reach
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