CN102080381B - Method for managing landslip of side slope landslide for transformer substation - Google Patents
Method for managing landslip of side slope landslide for transformer substation Download PDFInfo
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- CN102080381B CN102080381B CN2010106204714A CN201010620471A CN102080381B CN 102080381 B CN102080381 B CN 102080381B CN 2010106204714 A CN2010106204714 A CN 2010106204714A CN 201010620471 A CN201010620471 A CN 201010620471A CN 102080381 B CN102080381 B CN 102080381B
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Abstract
The invention discloses a method for managing the landslip of side slope landslide for a transformer substation, comprising the following steps: firstly managing a funneling effect of an earth surface; secondarily processing the side slopes of the transformer substation, and selecting one mode or a combined mode of natural sloping grouting, stone pitching or stone masonry retaining wall in accordance with the gradients of the side slopes, wherein the natural sloping grouting mode is characterized in that a sleeve valve pipe or a steel flora tube is used to inject cement clay slip so as to improve physical and mechanical properties of soils on a surface layer for the purpose of solving the problem of strong water permeability of the soils; and finally carrying out comprehensive treatment, establishing a drainage system, and hardening the ground or planting vegetation cover. The method is used to manage the side slopes of the transformer substation, and is equal to cover a layer of raincoat on the transformer substation, so that the whole transformer substation is covered, a centralized entry point for rainwater is not generated, and the soils for protecting the transformer substation can be prevented from invasion of the rainwater, thereby being a method for managing the landslide based on preventing floods by water control. The method in the invention is simple and practical, has an obvious effect and low cost, and is worthy of popularization.
Description
Technical field
The method that the present invention relates to a kind of prevention and administer soil body landslide, especially a kind of transformer station slope and land slide landslide improvement method.
Background technology
Under the factor affecting such as the landslide is meant that the hillside is washed away in the river, the slope is cut in rainfall, earthquake, manual work, soil layer or rock stratum are whole or dispersedly along the phenomenon of slope to lower slider, are sudden geological disaster; To environment on every side; The people's life and property have great harm, under the environment of mountain region, though landslide, mud-rock flow phenomenon are inevitable; But through taking active defensive measure, landslide, mud-rock flow harm then can alleviate.
In joining the substation site selection of electric power system; From security reason; Transformer station selects to be based upon city suburbs to avoid densely populated zone usually; Slope and land slide landslide accident very easily takes place in the transformer station that is based upon the mountain area like this, the particularly very strong area of some soil body water permeability, and the situation that backfill is arranged.Traditional reinforcement means can not be dealt with problems.Such as in certain transformer station's landslide landslide of Yunfu City, Guangdong Province is administered, after the retaining wall landslide of its side slope, heavily build retaining wall for several times, but all come to an end with landslide.
Summary of the invention
Say in general sense, anhydrously do not come down.Therefore harnessing the river is administer the landslide basic.The present invention is directed to above situation, a kind of method of on the basis of harnessing the river, administering the landslide is provided, improve the soil property of the top layer soil body, equal " to wear raincoat ", stop rainwater to get into the inside soil body of transformer station as far as possible to transformer station; And in time dredge the rainwater on the face of land, and the purpose that reaches prevention and administer the landslide.
The technical scheme that the present invention adopts can be described as:
A kind of transformer station slope and land slide landslide improvement method, it may further comprise the steps:
Step 1: administer funneling effect, treat the first earth filling tamping of established funnel on the ground, surfacing is carried out in the cement clay slip shutoff of reinjecting;
Step 2: transformer station's side slope is handled; Select for use one of natural discharging slope slip casting, stone pitching or three kinds of modes of barnacle retaining wall or their combination that side slope is handled according to the steepness of side slope, prevent that rainwater from having concentrated cutting point to get into the inside soil body in station district; Wherein natural discharging slope slip casting comprises that use sleeve valve pipe or spray of molten steel pipe inject the cement clay slip in the soil body of top layer, and the physico-mechanical properties that improves the top layer soil body is to solve the strong problem of soil body water permeability;
Step 3: the comprehensive regulation, inside and outside the district of station, set up perfect drainage system, in time dredge surface water; Harden in selected part ground in the district of station, and outside road and hardened ground, plant vegetation; Selected part ground plantation vegetation outside the district of station; Prevent softening, erosion and the souring of rainwater to soil.
As a kind of improvement of above technical scheme, wherein adopt in the step 2 sleeve valve pipe or spray of molten steel pipe the drilling depth of injecting the cement clay slip on the face of land be 3 meters or more than.
As a kind of improvement of above technical scheme, wherein the drainage grade of the green land of the inside and outside plantation of step 2 and step 3 Zhongzhan District vegetation is 1%, and the drainage grade of road and hardened ground is 0.3%.
As a kind of improvement of above technical scheme, wherein the plantation vegetation is the Taiwan grass in step 2 Zhongzhan District; It is vetiver that step 3 Zhongzhan District is planted vegetation outward, one meter of its line-spacing, and 0.1 meter of spacing in the rows is pressed the isohypse plantation.
As a kind of improvement of above technical scheme, wherein the drainage system in the step 3 comprises that building side slope in pushes up the gutter that is the grid distribution with the slope.
As a kind of improvement of above technical scheme, wherein the hardened ground in the step 2 adopts concrete, and thickness is 50mm, and monolithic hardened ground area is no more than 2mx2m, is separated by the wide space of the 20mm that is filled with pitch mutually.
The invention has the beneficial effects as follows:
Adopt this method to administer transformer station's side slope, be equivalent to put on one deck " raincoat " to transformer station, the soil body of protection transformer station exempts from the rainwater invasion and attack, is a kind of method of on the basis of harnessing the river, administering the landslide.The method not only is initiative in theory, and in practice, achieves noticeable achievement especially.This kind method in 2006 has obtained good effect in the first Application power engineering, 2008; The retaining wall landslide of Yunfu City, Guangdong Province transformer station side slope is administered for several times and is all got nowhere, and has only " wearing raincoat " technology of having used; Just be able to administer successfully; And output investment ratio greatly minimizing in the original plan, this transformer station is until today still operational excellence, and the user is very satisfied.2009, certain transformer station's place large tracts of land of Zhongshan City, Guangdong Province was sunk, and twice improvement is unsuccessful.The back finds that former transformer station does not have perfect drainage system after deliberation.Behind the inside and outside drainage system in perfect station district, adopted the technology of administering funneling effect.Current improvement is extremely successful, and the user is also very satisfied.In sum, administer in the engineering in the reinforcing of slope and land slide landslide, method proposed by the invention is worthy of promotion and application.
Description of drawings
Fig. 1 is the construction sketch map of one embodiment of the invention.
The specific embodiment
As shown in Figure 1, be example with the landslide control of the side slope 1 of certain transformer station of Yunfu, Guangdong Province area, transformer station's landslide landslide improvement method proposed by the invention may further comprise the steps:
Step 1: administer funneling effect, former transformer station does not have the inside and outside drainage system in perfect station district, can not in time dredge surface water.Particularly the soil body water permeability in area, Yunfu is strong, and surface water down permeates, and further infiltration, the softening soil body that corrodes form funnel gradually, and funnel is increasing, forms the cavity and then earth subsidence occurs.Administer the funnel or the pit that have formed, necessary first earth filling tamping, the soil cement slurry shutoff of reinjecting is to form with ground grading, for next step is got ready.
Step 2: " wear raincoat " for transformer station, in this embodiment,, therefore adopted the natural discharging slope slip casting method that the top layer soil body of side slope is handled because the steepness of side slope 1 is lower.Side slope 1 and zone, top, slope adopt sleeve valve pipe to inject the cement clay slip, improve the physico-mechanical properties of the top layer soil body, solve the strong problem of soil body water permeability; Its injected hole 2 apertures are 0.11 meter; Bore dark 3 meters, the slurry proportioning be 1:1:2 (cement: clay: water), square cloth hole; 1.5 meters of pitch-rows, and adopt and jump hole mode slip casting at interval.In addition, because the top, slope has two electric wire towers 3, for preventing column foot sedimentation under the rainwater invasion and attack, around column foot, use sleeve valve pipe to inject cement paste (cement of 1:1 and water mix), drilling depth is 15 meters.In other embodiment, for steeper side slope, can adopt spray of molten steel pipe cementing clay slip, because spray of molten steel pipe Duo the effect that can play antislide pile than sleeve valve pipe, better effects if, certain, spray of molten steel pipe price is also higher.Can adopt the method for barnacle retaining wall and stone pitching for steeper slope.For original barnacle retaining wall of transformer station and stone pitching, if the situation of being out of shape and leaking, the method that can adopt sleeve valve pipe to inject the cement clay slip is equally handled; The drilling depth of slip casting is a 10-20 rice; Injecting paste material can add water glass, and slip casting can divide several times, the time stopping time continuous.
Step 3: the comprehensive regulation, inside and outside the district of station, set up drainage system, in time dredge surface water; Stand in the district, hardened in the ground around the building, except that road and partially hardened ground 4, all the other ground plantation vegetation; The outer selected part ecological region planting vegetation in station district such as at enclosure wall, is planted vegetation around the buildings such as barnacle retaining wall and stone pitching, prevent sealing to soil as soften, erosion and souring.
Wherein, the green land drainage grade of the inside and outside plantation in the district vegetation that stands is 1%, and road and hardened ground 4 drainage grades are 0.3%; Standing and distinguishing interior plantation vegetation is the Taiwan grass, and planting vegetation outside the district of standing is vetiver, one meter of its line-spacing, and 0.1 meter of spacing in the rows is pressed the isohypse plantation; Drainage system comprises that building side slope in pushes up catchwater and the gutter 5 that is the grid distribution with the slope; Hardened ground adopts concrete, and thickness is 50mm, and monolithic hardened ground 4 areas are no more than 2mx2m, are separated by the wide space of the 20mm that is filled with pitch mutually.
Wrap up transformer station like this, do not allow rainwater that concentrated cutting point is arranged, just equal to put on one deck " raincoat " to transformer station.This method is applicable to it is the very strong area of some soil body water permeability, and the situation that backfill is arranged.
Claims (6)
1. transformer station slope and land slide landslide improvement method, it is characterized in that: it may further comprise the steps:
Step 1: administer funneling effect, treat the first earth filling tamping of established funnel on the ground, surfacing is carried out in the cement clay slip shutoff of reinjecting;
Step 2: transformer station's side slope is handled; Select for use one of natural discharging slope slip casting, stone pitching or three kinds of modes of barnacle retaining wall or their combination that side slope is handled according to the steepness of side slope, prevent that rainwater from having concentrated cutting point to get into the inside soil body in station district; Wherein natural discharging slope slip casting comprises that use sleeve valve pipe or spray of molten steel pipe inject the cement clay slip in the soil body of top layer, and the physico-mechanical properties that improves the top layer soil body is to solve the strong problem of soil body water permeability;
Step 3: the comprehensive regulation, inside and outside the district of station, set up perfect drainage system, in time dredge surface water; Harden in selected part ground in the district of station, and outside road and hardened ground, plant vegetation; Selected part ground plantation vegetation outside the district of station; Prevent softening, erosion and the souring of rainwater to soil.
2. a kind of transformer station according to claim 1 slope and land slide landslide improvement method is characterized in that: wherein adopt in the step 2 sleeve valve pipe or spray of molten steel pipe the drilling depth of injecting the cement clay slip on the face of land be 3 meters or more than.
3. a kind of transformer station according to claim 1 slope and land slide landslide improvement method, it is characterized in that: wherein the drainage grade of the green land of the inside and outside plantation of step 2 and step 3 Zhongzhan District vegetation is 1%, and the drainage grade of road and hardened ground is 0.3%.
4. a kind of transformer station according to claim 1 slope and land slide landslide improvement method, it is characterized in that: wherein the plantation vegetation is the Taiwan grass in step 2 Zhongzhan District; It is vetiver that step 3 Zhongzhan District is planted vegetation outward, one meter of its line-spacing, and 0.1 meter of spacing in the rows is pressed the isohypse plantation.
5. a kind of transformer station according to claim 1 slope and land slide landslide improvement method is characterized in that: wherein the drainage system in the step 3 comprises that building side slope in pushes up the gutter that is the grid distribution with the slope.
6. a kind of transformer station according to claim 1 slope and land slide landslide improvement method; It is characterized in that: wherein the hardened ground of step 2 adopts concrete; Thickness is 50mm, and monolithic hardened ground area is no more than 2mx2m, is separated by the wide space of the 20mm that is filled with pitch mutually.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010106204714A CN102080381B (en) | 2010-12-31 | 2010-12-31 | Method for managing landslip of side slope landslide for transformer substation |
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| CN2010106204714A CN102080381B (en) | 2010-12-31 | 2010-12-31 | Method for managing landslip of side slope landslide for transformer substation |
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| CN102080381B true CN102080381B (en) | 2012-02-01 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102783330B (en) * | 2012-06-15 | 2014-03-26 | 广东电网公司电力科学研究院 | Method for greening discarded soil from mountainous transmission line pole tower foundation construction |
| CN102733401B (en) * | 2012-06-25 | 2015-05-06 | 西北综合勘察设计研究院 | Method for treating dump slope of surface mine |
| CN102767159A (en) * | 2012-08-02 | 2012-11-07 | 福州市规划设计研究院 | Strengthening method for existing revetments of urban river |
| CN102926390B (en) * | 2012-11-09 | 2015-07-15 | 北京北林绿源生态技术研究院有限责任公司 | Method of shallow reinforcement and surface reinforcement of loess slope |
| CN104863166B (en) * | 2015-05-18 | 2017-03-15 | 兰泽民 | Reinforcing emergency work construction method after the landslide of soil-slope landslide |
| CN109296216A (en) * | 2018-11-09 | 2019-02-01 | 西北大学 | A kind of in-situ remediation method of Analysis of Loess Cave Dwellings |
| CN109618784A (en) * | 2018-12-12 | 2019-04-16 | 英德市旺地樱花种植有限公司 | A kind of abrupt slope oriental cherry great Shu plantation construction |
| CN109826212B (en) * | 2019-03-01 | 2021-04-09 | 大连交通大学 | Composite structure for repairing high-fill embankment collapse and construction method |
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| CN1548662A (en) * | 2003-05-20 | 2004-11-24 | 广东省生态环境与土壤研究所 | Soil and water conservation and ecological restoring technology for landfill |
| CN1714616A (en) * | 2005-08-16 | 2006-01-04 | 北京林枫园林绿化工程有限公司 | Recovering technology for VRT base plate reparing and plastisizing vegitation |
| KR20100099026A (en) * | 2009-03-02 | 2010-09-10 | 정오철 | Environment friendly greening composition promoting ecological restoration and greening method using the same |
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- 2010-12-31 CN CN2010106204714A patent/CN102080381B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1548662A (en) * | 2003-05-20 | 2004-11-24 | 广东省生态环境与土壤研究所 | Soil and water conservation and ecological restoring technology for landfill |
| CN1714616A (en) * | 2005-08-16 | 2006-01-04 | 北京林枫园林绿化工程有限公司 | Recovering technology for VRT base plate reparing and plastisizing vegitation |
| KR20100099026A (en) * | 2009-03-02 | 2010-09-10 | 정오철 | Environment friendly greening composition promoting ecological restoration and greening method using the same |
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Address after: 528399 Dongle Road 123, Yunlu Community Resident Committee, Daliang Street Office, Shunde District, Foshan City, Guangdong Province Patentee after: SHUNDE ELECTRIC POWER DESIGN INSTITUTE CO., LTD. Address before: 528300 No. 81 Tonghui Road, Daliang, Shunde District, Foshan City, Guangdong Province Patentee before: Foshan Shunde Electric Power Design Institute Co., Ltd. |
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Effective date of registration: 20220527 Address after: 1 / F, 2 / F, 3 / F, guipan Shangdong villa complex building, 123 dongle Road, Yunlu community residents committee, Daliang sub district office, Foshan City, Guangdong Province 528300 (only for office use) Patentee after: GUANGDONG SHUNDE ELECTRIC POWER DESIGN INSTITUTE CO.,LTD. Patentee after: Foshan Power Supply Bureau of Guangdong Power Grid Co., Ltd Address before: 528399 Dongle Road 123, Yunlu Community Resident Committee, Daliang Street Office, Shunde District, Foshan City, Guangdong Province Patentee before: GUANGDONG SHUNDE ELECTRIC POWER DESIGN INSTITUTE CO.,LTD. |
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