CN104514225A - Power transmission line tower footing anti-distortion energy absorbing structure in mining area and anti-distortion energy absorbing method - Google Patents
Power transmission line tower footing anti-distortion energy absorbing structure in mining area and anti-distortion energy absorbing method Download PDFInfo
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- CN104514225A CN104514225A CN201510011699.6A CN201510011699A CN104514225A CN 104514225 A CN104514225 A CN 104514225A CN 201510011699 A CN201510011699 A CN 201510011699A CN 104514225 A CN104514225 A CN 104514225A
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- concrete foundation
- transmission line
- deformation
- trough gutter
- minery
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/34—Foundations for sinking or earthquake territories
Abstract
The invention provides a power transmission line tower footing anti-distortion energy absorbing structure in a mining area and an anti-distortion energy absorbing method. The structure adopts the structures that trough gutters are formed in the two sides or the periphery of a concrete foundation; filling materials with good anti-distortion property is filled in the trough gutters; a covering layer is arranged above the filling materials; the method comprises the following steps: analyzing the horizontal moving direction of the earth surface near an iron tower concrete foundation, digging the trough gutters on two sides of the concrete foundation in the direction perpendicular to the main shaft of the concrete foundation when the concrete foundation is affected by earth surface horizontal movement distortion force in the direction of the main shaft, digging a mutually closed trough gutter on the periphery of the concrete foundation when the concrete foundation is affected by the surface horizontal movement distortion force in two main shaft directions or the direction inclined to the main shaft, filling the filling materials with good anti-distortion property in the trough gutters, and arranging the covering layer above the filling materials. The structure can effectively respond to the earth surface horizontal distortion.
Description
Technical field
The present invention relates to minery iron tower of power transmission line concrete column foot, specifically a kind of minery transmission line of electricity column foot resistance to deformation endergonic structure and resistance to deformation energy-absorbing method.
Background technology
After subterranean coal is exploited, the rock stratum covered above it can lose support, the virgin stress equilibrium state of surrounding rock body inside, exploiting field is destroyed, this will cause the redistribution of rock mass internal stress, make rock stratum produce mobile, distortion and or other situations about destroying, after productive area reaches certain limit, the destruction situation originated near stope will expand to earth's surface, thus can cause the movements and deformations on earth's surface.The distortion of the earth's surface horizontal distortion that underground mining causes mainly Tension and Compression, it badly influences the safety of high-voltage transmission line pole tower.
In recent years, along with the construction of pit-head power station and the development of electrical network, increasing transmission line of electricity need through coal mine gob.For the transmission line of electricity in goaf, main employing composite protective plate base at present, but its effect can only resist the distortion of horizontal stretch, and gauge pressure compression deformation effect is poor over the ground.
Therefore, carry out the research of colliery minery electric power pylon ground anti-earth's surface compressive strain, to guaranteeing that the safety of iron tower of power transmission line has great importance.
Summary of the invention
For above-mentioned prior art Problems existing, the invention provides a kind of minery transmission line of electricity column foot resistance to deformation endergonic structure and resistance to deformation energy-absorbing method, its non-deformability is strong, can not only tackle the distortion of the horizontal stretch on earth's surface, can also tackle the compressive strain of the level on earth's surface.
To achieve these goals, the invention provides a kind of minery transmission line of electricity column foot resistance to deformation endergonic structure, comprise steel tower concrete foundation, be located at the trough gutter on earth's surface, described trough gutter is distributed in both sides or the surrounding of concrete foundation, be filled with the packing material that anti-deformation is good in described trough gutter, above described packing material, be provided with covering layer.
Further, the bottom of trench width of described trough gutter is not less than 600mm, and its ditch top width degree is not less than 900mm.
Further, the bottom surface of described trough gutter is compared with the low 200-300mm in the bottom surface of concrete foundation.
Further, described tectal thickness is the clay being no less than 300mm.
Further, the distance of the outer rim of described trough gutter near the side of concrete foundation apart from concrete foundation is not less than 1500-2000mm.
Further, described packing material is slag.
Further, the quantity of described trough gutter is two and all perpendicular to horizontal main shaft or longitudinal main shaft of concrete foundation.
Further, the quantity of described trough gutter is one and is centered around the surrounding of concrete foundation closedly.
Effectively can be absorbed stretching and the compressive strain of earth's surface level by the setting of trough gutter in the present invention, the pressure of the earth's surface soil body to basic inlet part can be greatly reduced, thus effectively can reduce the infringement of earth's surface horizontal distortion to the steel tower on concrete foundation, simultaneously, the impact of horizontal distortion on concrete foundation bottom surface can also be reduced, ensure the safety of steel tower with this.This structure construction is easy, and cost is lower, practical.
A kind of minery transmission line of electricity column foot resistance to deformation energy-absorbing method, comprises following step and gathers:
Step one: analyze the direction that the earth's surface near steel tower concrete foundation moves horizontally;
Step 2: when the concrete foundation of steel tower is subject to affecting along the surface water translation dynamic deformation power of an one major axes orientation, along excavating out trough gutter perpendicular to this major axes orientation in the both sides of concrete foundation, when steel tower concrete foundation be subject to along two major axes orientation or oblique affect in the surface water translation dynamic deformation power of its major axes orientation time, excavate out a closed trough gutter around concrete foundation surrounding;
Step 3: fill the packing material that full resistance to deformation is good in trough gutter;
Step 4: set covering layer above packing material.
Further, the bottom of trench width of the trough gutter in described step 2 and step 3 is not less than 600mm, its ditch top width degree is not less than 900mm, the bottom surface of described trough gutter is compared with the low 200-300mm in the bottom surface of concrete foundation, the distance of the outer rim of described trough gutter near the side of concrete foundation apart from concrete foundation is not less than 1500-2000mm, tectal thickness in described step 4 is the clay being no less than 300mm, and the packing material in described step 3 and step 4 is slag.
Resistance to deformation energy-absorbing method in the present invention, effectively can absorb surface water translation dynamic deformation to the impact of concrete foundation, the method has stronger versatility.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure: 1, concrete foundation, 2, trough gutter, 3, packing material, 4, covering layer, 5, ground, 6, steel tower.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1, a kind of minery transmission line of electricity column foot resistance to deformation endergonic structure, comprise concrete foundation 1, be located at the trough gutter 2 on earth's surface, described trough gutter 2 is distributed in both sides or the surrounding of concrete foundation 1, be filled with the good packing material of anti-deformation 3 in described trough gutter 2, above described packing material 3, be provided with covering layer 4.
The bottom of trench width of described trough gutter 2 is not less than 600mm, and its ditch top width degree is not less than 900mm.
The bottom surface of described trough gutter 2 is compared with the low 200-300mm in the bottom surface of concrete foundation 1.
The thickness of described covering layer 4 is the clay being no less than 300mm.
The distance of the outer rim of described trough gutter 2 near the side of concrete foundation 1 apart from concrete foundation 1 is not less than 1500-2000mm.
Described packing material 3 is slag.
The quantity of described trough gutter 2 is two and all perpendicular to horizontal main shaft or longitudinal main shaft of concrete foundation 1.
The quantity of described trough gutter 2 is one and is centered around the surrounding of concrete foundation 1 closedly.
Stretching and the compressive strain of earth's surface level effectively can be absorbed by the setting of trough gutter, the pressure of the earth's surface soil body to basic inlet part can be greatly reduced, thus effectively can reduce the defeated infringement to the steel tower on concrete foundation of earth's surface horizontal distortion, simultaneously, the impact of horizontal distortion on concrete foundation bottom surface can also be reduced, ensure the safety of steel tower with this.This structure construction is easy, and cost is lower, practical.
A kind of minery transmission line of electricity column foot resistance to deformation energy-absorbing method, comprises following step and gathers:
Step one: measure the direction that the earth's surface near concrete foundation 1 moves horizontally;
Step 2: when the concrete foundation 1 of steel tower is subject to affecting along the surface water translation dynamic deformation power of an one major axes orientation, along excavating out trough gutter 2 perpendicular to this major axes orientation in the both sides of concrete foundation 1, when concrete foundation 1 be subject to along two major axes orientation or oblique affect in the surface water translation dynamic deformation power of its major axes orientation time, excavate out a closed trough gutter 2 around concrete foundation 1 surrounding; Described major axes orientation refers to the lateral symmetry axle of concrete foundation 1 or longitudinal axis of symmetry.
Step 3: fill the packing material 3 that full resistance to deformation is good in trough gutter 2;
Step 4: set covering layer 4 above packing material 3.
As the preferred embodiment of one, the bottom of trench width of the trough gutter 2 in described step 2 and step 3 is not less than 600mm, its ditch top width degree is not less than 900mm, the bottom surface of described trough gutter 2 is compared with the low 200-300mm in the bottom surface of concrete foundation 1, the distance of the outer rim of described trough gutter 2 near the side of concrete foundation 1 apart from concrete foundation 1 is not less than 1500-2000mm, the thickness of the covering layer 4 in described step 4 is the clay being no less than 300mm, and the packing material 3 in described step 3 and step 4 is slag.Drawn by a large amount of tests, the anti-earth's surface deformation effect of this embodiment is best, and meanwhile, also the most quickly, and cost is also minimum for its work progress.
The method of the analysis surface movement used in described step one is probability integration process.By exploitation situation and predicting parameters input computer, by computer, earth's surface distortion is analyzed.
The energy-absorbing method of this resistance to deformation, effectively can absorb surface water translation dynamic deformation to the impact of concrete foundation, the method has stronger versatility.
Structure in the present invention and method are not only applicable to the anti-earth's surface displacement of newly-built steel tower, also may be used for the anti-earth's surface displacement of original steel tower, when for newly-built steel tower, can first on ground 5, to construct out concrete foundation 1, after completion, steel tower 6 is then installed.Again according to designing requirement, be no less than 1500 ~ 2000mm place excavation trough gutter 2 apart from the outward flange of concrete foundation, its ditch bottom width is no less than 600mm, and its ditch top width is no less than 900mm, and its bottom of trench bottom surface will be positioned at below basic bottom surface 200-300mm; In trough gutter 2, insert packing material 3 again, the discrete materials such as such as slag, finally arrange covering layer 4 on packing material 3 top, such as clay, its thickness is no less than 300mm.
Claims (10)
1. a minery transmission line of electricity column foot resistance to deformation endergonic structure, comprise concrete foundation (1), be located at the trough gutter (2) on earth's surface, it is characterized in that, described trough gutter (2) is distributed in both sides or the surrounding of concrete foundation (1), be filled with the good packing material of anti-deformation (3) in described trough gutter (2), described packing material (3) top is provided with covering layer (4).
2. a kind of minery transmission line of electricity column foot resistance to deformation endergonic structure according to claim 1, it is characterized in that, the bottom of trench width of described trough gutter (2) is not less than 600mm, and its ditch top width degree is not less than 900mm.
3. a kind of minery transmission line of electricity column foot resistance to deformation endergonic structure according to claim 1, is characterized in that, the low 200-300mm in bottom surface of the bottom surface of described trough gutter (2) comparatively concrete foundation (1).
4. a kind of minery transmission line of electricity column foot resistance to deformation endergonic structure according to claim 1, it is characterized in that, the thickness of described covering layer (4) is the clay being no less than 300mm.
5. a kind of minery transmission line of electricity column foot resistance to deformation endergonic structure according to claim 1, it is characterized in that, the distance of described trough gutter (2) near the side of concrete foundation (1) apart from the outer rim of concrete foundation (1) is not less than 1500-2000mm.
6. a kind of minery transmission line of electricity column foot resistance to deformation endergonic structure according to claim 1, it is characterized in that, described packing material (3) is slag.
7. a kind of minery transmission line of electricity column foot resistance to deformation endergonic structure according to any one of claim 1 to 6, it is characterized in that, the quantity of described trough gutter (2) is two and all perpendicular to horizontal main shaft or longitudinal main shaft of concrete foundation (1).
8. a kind of minery transmission line of electricity column foot resistance to deformation endergonic structure according to any one of claim 1 to 6, it is characterized in that, the quantity of described trough gutter (2) is one and is mutually centered around the surrounding of concrete foundation (1) closedly.
9. a minery transmission line of electricity column foot resistance to deformation energy-absorbing method, is characterized in that, comprises following step and gathers:
Step one: analyze the direction that the earth's surface near concrete foundation (1) moves horizontally;
Step 2: when the concrete foundation (1) of steel tower is subject to affecting along the surface water translation dynamic deformation power of an one major axes orientation, along excavating out trough gutter (2) perpendicular to this major axes orientation in the both sides of concrete foundation (1), when concrete foundation (1) be subject to along two major axes orientation or oblique affect in the surface water translation dynamic deformation power of its major axes orientation time, excavate out a mutually closed trough gutter (2) around concrete foundation (1) surrounding;
Step 3: fill the packing material (3) that full resistance to deformation is good in trough gutter (2);
Step 4: set covering layer (4) in packing material (3) top.
10. a kind of minery transmission line of electricity column foot resistance to deformation energy-absorbing method according to claim 9, it is characterized in that, the bottom of trench width of the trough gutter (2) in described step 2 and step 3 is not less than 600mm, its ditch top width degree is not less than 900mm, the low 200-300mm in bottom surface of the bottom surface of described trough gutter (2) comparatively concrete foundation (1), the distance of described trough gutter (2) near the side of concrete foundation (1) apart from the outer rim of concrete foundation (1) is not less than 1500-2000mm, the thickness of the covering layer (4) in described step 4 is the clay being no less than 300mm, packing material (3) in described step 3 and step 4 is slag.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510011699.6A CN104514225A (en) | 2015-01-09 | 2015-01-09 | Power transmission line tower footing anti-distortion energy absorbing structure in mining area and anti-distortion energy absorbing method |
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| CN201510011699.6A CN104514225A (en) | 2015-01-09 | 2015-01-09 | Power transmission line tower footing anti-distortion energy absorbing structure in mining area and anti-distortion energy absorbing method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5910622A (en) * | 1982-07-08 | 1984-01-20 | Nippon Carbide Ind Co Ltd | Manufacture of concrete foundation structure |
| CN2916024Y (en) * | 2006-06-01 | 2007-06-27 | 中国矿业大学 | Anti-deformation high-voltage line tower in subsidence area |
| CN102346017A (en) * | 2010-07-28 | 2012-02-08 | 中国石油天然气股份有限公司 | System for monitoring horizontal deformation of soil body at worked-out subsidence area |
| CN102493497A (en) * | 2011-11-14 | 2012-06-13 | 郑州天易勘测技术有限公司 | Multidimensional seismic isolation layer/belt structure applicable to multilayer construction foundation |
| CN103046572A (en) * | 2012-12-27 | 2013-04-17 | 中国矿业大学 | Design method for composite protective plate foundation of electricity transmission pylon in mining area |
| CN204510251U (en) * | 2015-01-09 | 2015-07-29 | 国家电网公司 | Minery transmission line of electricity column foot resistance to deformation endergonic structure |
-
2015
- 2015-01-09 CN CN201510011699.6A patent/CN104514225A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5910622A (en) * | 1982-07-08 | 1984-01-20 | Nippon Carbide Ind Co Ltd | Manufacture of concrete foundation structure |
| CN2916024Y (en) * | 2006-06-01 | 2007-06-27 | 中国矿业大学 | Anti-deformation high-voltage line tower in subsidence area |
| CN102346017A (en) * | 2010-07-28 | 2012-02-08 | 中国石油天然气股份有限公司 | System for monitoring horizontal deformation of soil body at worked-out subsidence area |
| CN102493497A (en) * | 2011-11-14 | 2012-06-13 | 郑州天易勘测技术有限公司 | Multidimensional seismic isolation layer/belt structure applicable to multilayer construction foundation |
| CN103046572A (en) * | 2012-12-27 | 2013-04-17 | 中国矿业大学 | Design method for composite protective plate foundation of electricity transmission pylon in mining area |
| CN204510251U (en) * | 2015-01-09 | 2015-07-29 | 国家电网公司 | Minery transmission line of electricity column foot resistance to deformation endergonic structure |
Non-Patent Citations (1)
| Title |
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| 谢旭: "采空区建筑物损害规律及双板基础应用研究", 《中国优秀硕士学位论文全文数据库工程科技I辑（月刊）》 * |
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Application publication date: 20150415 |
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