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Slope protection method and structure based on earthwork standard room and mixture of fiber and clay

A geocell and slope protection technology, applied in infrastructure engineering, botanical equipment and methods, excavation, etc., can solve the problems of low coverage, easy to be washed by rain and infiltration, etc., and achieve high soil compaction. , to avoid shrinkage and cracking, to avoid the effect of cracking

Active Publication Date: 2015-08-12
CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY +1
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  • Summary
  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

However, 1 to 2 years after the excavation of the slope, especially within half a year, the vegetation has not grown or the root system has not yet developed, the coverage rate is low, and the greening has not yet formed. However, no matter how large or small the artificial slope becomes unstable, it is usually during this period that the performance of the special soil is more obvious.

Method used

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  • Slope protection method and structure based on earthwork standard room and mixture of fiber and clay
  • Slope protection method and structure based on earthwork standard room and mixture of fiber and clay

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Embodiment 1

[0033] Such as Figure 1 to Figure 2 Shown, a kind of slope protection method based on geocell and fiber clay mixture according to the specific embodiment of the present invention, comprises the following steps:

[0034] (1) Level the slope surface, clear the larger rocks on the slope surface, and spray the slope surface to moisten the slope surface. The slope is suitable for slopes with a slope ratio not steeper than 1:0.75 and the degree of weathering is above strong weathering or soil slopes.

[0035] (2) Use bamboo nails to fix the geocell on the flat slope, which requires flatness. The geocell material is a three-dimensional mesh cell formed by high-strength welding of reinforced high-density polyethylene HDPE sheet material. 50~100cm 2 .

[0036] (3) Clay is obtained locally. Clay soil generally requires high viscosity. After the clay is taken, it is rolled and sieved to remove coarse particles with a particle size greater than 1mm. Add polypropylene mesh fibers to ...

Embodiment 2

[0042] A slope protection method based on geocells and fiber clay mixture, which is suitable for special soils, such as expansive soil slopes, red clay slopes, etc., and the slope surface should be placed on the slope soil under normal working conditions Physical fitness is naturally stable.

[0043] The difference between embodiment 2 and embodiment 1 is that in step (4), the thickness of the mixed material paving is ≥ 15 cm. The reason is that, for special soil, it is necessary to cut off the direct effects of rainwater, atmosphere and sunlight outside the soil on the slope body, and the thickness of the mixture paving should be increased appropriately.

[0044] The slope protection method based on geocell and fiber clay mixture of the present invention, through the above steps, effectively exerts the characteristics of cohesive soil adding water and stirring dry-bonding strength, fiber tensile reinforcement, and geocell skeleton, and combines the three Together, it avoids dr...

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Abstract

The invention discloses a slope protection method and structure based on an earthwork standard room and a mixture of fiber and clay. The slop protection method comprises the steps that 1 the slope plane of the slope is leveled, and the earthwork standard room is paved on the slope plane; 2 the clay is crushed, then polypropylene fiber, fertilizer and water are added, and stirring is conducted till the mixed materials are in a liquid plastic state; 3 the mixed materials are paved on the slope plane of the slope and is floated; 4 grass seed is sown on the slope plane in a spraying mode, a protection geomembrane is covered, and then artificial protection is conducted. The slope protection method and structure based on the earthwork standard room and the mixture of fiber and clay have the advantages that multiple functions of anti-washing, anti-infiltrating, conserving water, keeping warm, facilitating the growth of plants and the like are possessed, the slope plane can be protected from being eroding and infiltrating of rain before a turf is formed, and the purposes of strengthening the slope and beautifying the environment are achieved.

Description

technical field [0001] The invention relates to the field of geotechnical engineering slope protection, in particular to a slope protection method and structure based on geotechnical cell and fiber clay mixture. Background technique [0002] The image of "ten slides and nine waters" shows that water is an important factor for slope damage. The effect of water on slopes is generally divided into surface water and groundwater. The scouring and splashing of surface water makes the surface water and soil loss serious, and the shallow layer slips and peels off. In addition to the characteristics of suddenness, fast speed, and large number of small shallow slopes In addition to bringing danger to people's lives, property, and travel convenience, shallow small landslides are likely to cause deep instability of large slopes through slip-traction; surface water infiltration forms groundwater, which increases soil weight and The osmotic pressure will lead to the increase of the slidi...

Claims

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Application Information

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IPC IPC(8): E02D17/20
CPCA01G2/00E02D17/20E02D17/202
Inventor 张红日王桂尧张永杰王淑英沙琳川兰素恋
Owner CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
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