CN103015440A - Green protection device for expansive soil cut slope and method thereof - Google Patents
Green protection device for expansive soil cut slope and method thereof Download PDFInfo
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- CN103015440A CN103015440A CN2012105647057A CN201210564705A CN103015440A CN 103015440 A CN103015440 A CN 103015440A CN 2012105647057 A CN2012105647057 A CN 2012105647057A CN 201210564705 A CN201210564705 A CN 201210564705A CN 103015440 A CN103015440 A CN 103015440A
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- mao bamboon
- bamboo nail
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Abstract
The invention discloses a green protection device for an expansive soil cut slope and a method thereof. The device comprises bamboo nails, a three-dimensional vegetation net and nylon ropes, and is characterized in that the bamboo nails are inserted into expansive soil vertical to a slope surface, and are arranged in the forms of plum blossoms; the three-dimensional vegetation net is fixedly arranged on the slope surface by using the bamboo nails; and the nylon ropes are firmly connected among the bamboo nails. The technical scheme provided by the invention has high construction efficiency, and is suitable for various soil layers; materials are environment-friendly; and a vegetation protection function process performed by combining the bamboo nails with the three-dimensional vegetation net is accordant with the inherent law of the vegetation protection effect on the expansive soil cut slope, and the influences of vegetation on expansive soil engineering properties are considered in a protection design. Through temporary auxiliary reinforcement of the bamboo nails, the risk of potential destabilization of the cut slope at a vegetation growing period is eliminated, the device is suitable for various soil layers, is simple in arrangement form, is easy and convenient for construction operation, is suitable for ecological restoration, and has a wide engineering application prospect.
Description
Technical field
The present invention relates to a kind of moat slope protector and the sloping Green Protection devices and methods therefor of method, particularly a kind of expansive soil moat thereof.
Background technology
Along with socioeconomic development, a large amount of expansive soil moat slopes has been brought up in the operation of a large amount of highways of swelled ground area, railway and hydraulic engineering or put into operation, and the process of construction of swelled ground area urbanization.The forming process on expansive soil moat slope is the result of human nature remodeling, and this usually can destroy the original stable state of natural material; for sloping body catastrophe hides some dangers for; also destroy simultaneously natural vegetation and covered, namely not attractive in appearancely can cause soil erosion again, affected the human residential environment.And vegetative protection is one of important measures of Protection of Expansive Soil, and it can guarantee that stability of slope can beautify the environment again.Often only pay close attention to the mechanics reinforcement effect of vegetation root system in the past for the vegetative protection research on mechanism, and do not take into account the change procedure that vegetation covers lower mechanical property of swelling.Because vegetation growth initial stage root system is more shallow, the mechanics reinforcement effect is relatively poor, so when vegetative protection designed, the mechanics reinforcement effect of root system was often as the safety stock of engineering protection or only be the effect of beautifying the environment.For expansive soil moat slope, vegetative protection shows and the coefficient process of the soil body, presents dynamic feature, wherein must comprise short-term effect and long-term effect.So be necessary on the basis of clear understanding expansive soil moat slope vegetative protection mechanism, rationally to utilize the protective action of vegetation, improve the engineering protection means, form the consciousness of Green Protection, simultaneously this vegetation recovery that also can be bare side sloping is offered help.
Summary of the invention
For problems of the prior art, the object of the present invention is to provide a kind of simple in structure, be convenient to execute-in-place, construction costs is cheap, material is green, meet the expansive soil moat slope Green Protection devices and methods therefor of expansive soil engineering properties.
To achieve these goals, the present invention is by the following technical solutions: a kind of expansive soil moat slope Green Protection device, comprise bamboo nail, three-dimension vegetative net, nylon rope, described bamboo nail is inserted in the expansive soil perpendicular to domatic, described bamboo nail is arranged by plum blossom-shaped, described three-dimension vegetative net by bamboo nail be fixed on domatic on, described nylon rope is fastenedly connected between bamboo nail.Described bamboo nail is comprised of single, double joint or three mao bamboons.The atmosphere that described mao bamboon embedded depth is twice acutely affects the degree of depth, and described mao bamboon is 150mm in the length on domatic.Apart from three times that are the mao bamboon diameter, distance is 1 ~ 3m between described bamboo nail between the described mao bamboon.
A kind of expansive soil moat slope Green Protection method, its step comprises:
1) referring to Technical code for buildings in swelling soil zone, judges that soil body atmosphere acutely affects the degree of depth;
2) choose 5 years setation bamboos, dry in the shade after mao bamboon is boiled, being processed into the twice atmosphere acutely affects the mao bamboon that the degree of depth adds 150mm length;
3) three-dimension vegetative net is laid on domatic on, with the mode of hammering with mao bamboon perpendicular in the domatic insertion expansive soil, so that single, double joint or three mao bamboons form one group of bamboo nail, distance is three times of mao bamboon diameter between the described mao bamboon, the atmosphere that described mao bamboon embedded depth is twice acutely affects the degree of depth, described mao bamboon is 150mm in the length on domatic, and described bamboo nail is arranged by plum blossom-shaped;
4) under the slope, upwards be fastenedly connected every group of bamboo nail with nylon rope.
Adopted above technical scheme, the present invention has following beneficial effect: efficiency of construction is high, applicable various soil layers; Material is green, environmentally safe; The vegetative protection mechanism that bamboo nail is combined with three-dimension vegetative net meets the inherent law of expansive soil moat slope vegetative protection effect, has taken into full account the influence of vegetation to the expansive soil engineering properties in the protection Design.By interim auxiliary reinforcing of bamboo nail, solved the potential unstability risk in vegetation growth phase moat slope, be applicable to various soil layers, arrangement form is simple simultaneously, and constructing operation is easy, is applicable to restoration of the ecosystem, and its future in engineering applications is wide.
Description of drawings
Fig. 1 is the sectional view of a kind of expansive soil moat of the present invention slope Green Protection device.
Fig. 2 is the bamboo nail distribution map of a kind of expansive soil moat of the present invention slope Green Protection device.
Fig. 3 is the combining form figure of mao bamboon in every group of bamboo nail of a kind of expansive soil moat of the present invention slope Green Protection device.
Among the figure: 1, bamboo nail 2, three-dimension vegetative net 3, nylon rope.
The specific embodiment
The present invention is further illustrated for following structure accompanying drawing.
As shown in Figure 1, a kind of expansive soil moat slope Green Protection device comprises bamboo nail, three-dimension vegetative net, nylon rope, described bamboo nail is inserted in the expansive soil perpendicular to domatic, as shown in Figure 2, described bamboo nail is arranged by plum blossom-shaped, and distance is 1 ~ 3m between described bamboo nail.
Described three-dimension vegetative net by bamboo nail be fixed on domatic on, described nylon rope is fastenedly connected between bamboo nail.As shown in Figure 3, described bamboo nail is comprised of single, double joint or three mao bamboons, and distance is three times of mao bamboon diameter between the described mao bamboon.
Three-dimension vegetative net is take thermoplastic resin as raw material, adopts scientific formula, through extrude, operation is refining forms for stretching etc.Its non-corrosiveness, chemical stabilization is inertia to atmosphere, soil, microorganism.
The bottom of three-dimension vegetative net is a high-modulus basal layer, adopts the biaxial tension technology, and its intensity is high, is enough to prevent the distortion of vegetation net, and can effectively prevents erosion.The top layer of three-dimension vegetative net is a foaming layer, and grass-seed helps solid soil to bulk net bag on soil, the kind in order to insert, and this three-dimensional structure can combine with soil better.
In side slope protection, use three-dimensional vegetation can effectively protect the erosion of domatic not wind-engaging, rain, flood.The Elementary Function of three-dimension vegetative net is to be conducive to vegetation growth.Along with the formation of vegetation, its major function is to help the grass roots system to strengthen its opposing nature soil erosion ability.
The atmosphere that described mao bamboon embedded depth is twice acutely affects the degree of depth, and described mao bamboon is 150mm in the length on domatic.
Climate influenced layer is under the natural climate effect, is caused the effective depth of the lifting distortion of soil by factors such as rainfall, evaporation, ground temperature.Atmosphere acutely affects the degree of depth and refers to the significant especially degree of depth of atmospheric effect, is 0.45 times climate influenced layer substantially.Specifically referring to Technical code for buildings in swelling soil zone.
A kind of expansive soil moat slope Green Protection method, its step comprises:
(1) referring to Technical code for buildings in swelling soil zone, judges that soil body atmosphere acutely affects the degree of depth;
(2) choose 5 years setation bamboos, dry in the shade after mao bamboon is boiled, being processed into the twice atmosphere acutely affects the mao bamboon that the degree of depth adds 150mm length;
(3) three-dimension vegetative net is laid on domatic on, with the mode of hammering with mao bamboon perpendicular in the domatic insertion expansive soil, so that single, double joint or three mao bamboons form one group of bamboo nail, distance is three times of mao bamboon diameter between the described mao bamboon, the atmosphere that described mao bamboon embedded depth is twice acutely affects the degree of depth, described mao bamboon is 150mm in the length on domatic, and described bamboo nail is arranged by plum blossom-shaped;
(4) under the slope, upwards be fastenedly connected every group of bamboo nail with nylon rope.
The present invention is directed to the catastrophe characteristic on expansive soil moat slope, change bamboo nail and arrange and type of attachment, with the short-term protection of the bamboo nail long-term protection transition to vegetation, optimize the three-dimension vegetative net guard technology, form reliable expansive soil moat slope Green Protection system.
This invention is optimized the three-dimension vegetative net guard technology in conjunction with the evolutionary process of expansive soil moat slope catastrophe, adopt the green material bamboo nail, utilizing the rational disposal options of bamboo nail to keep the moat slope in the phase at vegetation growth stablizes, evade simple vegetative protection potential risks, reach the target of Green Protection, for Green Protection and the vegetation recovery on swelled ground area moat slope provides theoretical foundation and technical support, also can be other regional special soils vegetation on slope simultaneously useful reference is provided.The method can reduce the cost of moat slope preventive works, is applicable to various soil layers, and its future in engineering applications is wide.
Claims (5)
1. expansive soil moat slope Green Protection device, comprise bamboo nail, three-dimension vegetative net, nylon rope, it is characterized in that described bamboo nail is inserted in the expansive soil perpendicular to domatic, described bamboo nail is arranged by plum blossom-shaped, described three-dimension vegetative net by bamboo nail be fixed on domatic on, described nylon rope is fastenedly connected between bamboo nail.
2. a kind of expansive soil moat according to claim 1 slope Green Protection device is characterized in that described bamboo nail is comprised of single, double joint or three mao bamboons.
3. the sloping Green Protection device of a kind of expansive soil moat according to claim 2 is characterized in that the atmosphere that described mao bamboon embedded depth is twice acutely affects the degree of depth, and described mao bamboon is 150mm in the length on domatic.
4. the sloping Green Protection device of a kind of expansive soil moat according to claim 2 is characterized in that distance is three times of the mao bamboon diameter between the described mao bamboon, and distance is 1 ~ 3m between described bamboo nail.
5. expansive soil moat slope Green Protection method, its step comprises:
(1) referring to Technical code for buildings in swelling soil zone, judges that soil body atmosphere acutely affects the degree of depth;
(2) choose 5 years setation bamboos, dry in the shade after mao bamboon is boiled, being processed into the twice atmosphere acutely affects the mao bamboon that the degree of depth adds 150mm length;
(3) three-dimension vegetative net is laid on domatic on, with the mode of hammering with mao bamboon perpendicular in the domatic insertion expansive soil, so that single, double joint or three mao bamboons form one group of bamboo nail, distance is three times of mao bamboon diameter between the described mao bamboon, the atmosphere that described mao bamboon embedded depth is twice acutely affects the degree of depth, described mao bamboon is 150mm in the length on domatic, and described bamboo nail is arranged by plum blossom-shaped;
(4) under the slope, upwards be fastenedly connected every group of bamboo nail with nylon rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2012105647057A CN103015440A (en) | 2012-12-24 | 2012-12-24 | Green protection device for expansive soil cut slope and method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012105647057A CN103015440A (en) | 2012-12-24 | 2012-12-24 | Green protection device for expansive soil cut slope and method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107246004A (en) * | 2017-06-28 | 2017-10-13 | 中铁第四勘察设计院集团有限公司 | A kind of thick bamboo tube pilework and its solid slope method for side slope protection |
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| CN107246004A (en) * | 2017-06-28 | 2017-10-13 | 中铁第四勘察设计院集团有限公司 | A kind of thick bamboo tube pilework and its solid slope method for side slope protection |
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Application publication date: 20130403 |