Expansive soil slope flexible ecological supporting structure and construction method
A support structure and expansive soil technology, applied in the field of geotechnical engineering, can solve the problems of soil being easily eroded or washed away, high maintenance costs, and unreliable combination of geotextiles and vegetation, so as to reduce soil erosion and realize Remarkable effect of overall protection and ecological environmental protection
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Embodiment 1
[0041] like Figure 1 to Figure 3 As shown, the flexible ecological support structure for expansive soil slopes according to the present invention includes vegetation protection pads 1 , staples 2 , anchor rods 3 , intercepting ditch 8 , drainage ditch 9 and slope protection vegetation 10 . The specific structure is:
[0042] The vegetation protection pad 1 has a bumpy rough surface and sufficient mesh space, and is tiled on the slope surface 13 to ensure the growth and development of the slope protection vegetation 10; the vegetation protection pad 1 and the protection pad 1 are connected at least overlapping 150mm, and the overlapping part is fixed by the U-shaped nails 2; the vegetation protection pad 1 has high tensile strength and certain ductility, which not only allows certain deformation of the expansive soil on the slope surface, releases the expansion force, but also limits the cracks on the slope surface. development. The anchor rod 3 includes a rod body 4 , an an...
Embodiment 2
[0044] The construction method of the flexible ecological supporting structure of expansive soil slope according to the present invention comprises the following steps:
[0045] (1) Level the slope and lay the soil for cultivation. Remove rocks, clods, weeds and other objects on the slope surface 12 of the expansive soil slope to make the slope surface 12 smooth. After leveling the slope, lay a layer of about 5cm of cultivated soil on the slope.
[0046] (2) Measure the line, drill, clear the hole, install the bolt body 4, and pour the cement mortar 7. The anchor rods 3 are arranged in a matrix type, the spacing of the anchor rods 3 is 1-2m, the inclination angle of the anchor holes is 15°-25°, and the depth of the anchor rods 3 is sharply affected by the local expansive soil slope sliding surface or the atmosphere of the expansive soil slope. If the depth is greater than 1 m, the tensile force transmitted by the vegetation protection pad 1 needs to be considered in the desi...
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