CN105040723B - Structure for preventing sand backfill and treating concrete pole up-pulling and construction method thereof - Google Patents
Structure for preventing sand backfill and treating concrete pole up-pulling and construction method thereof Download PDFInfo
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- CN105040723B CN105040723B CN201510432166.5A CN201510432166A CN105040723B CN 105040723 B CN105040723 B CN 105040723B CN 201510432166 A CN201510432166 A CN 201510432166A CN 105040723 B CN105040723 B CN 105040723B
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- cement pole
- base plate
- fixing base
- retainer ring
- soil layer
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- 239000004576 sand Substances 0.000 title claims abstract description 24
- 238000010276 construction Methods 0.000 title claims abstract description 20
- 239000002689 soil Substances 0.000 claims abstract description 46
- 239000004568 cement Substances 0.000 claims description 99
- 238000005260 corrosion Methods 0.000 claims description 28
- 230000007797 corrosion Effects 0.000 claims description 28
- 229910001220 stainless steel Inorganic materials 0.000 claims description 28
- 239000010935 stainless steel Substances 0.000 claims description 28
- 239000002184 metal Substances 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 210000003141 lower extremity Anatomy 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims 2
- 239000007787 solid Substances 0.000 claims 1
- 230000008014 freezing Effects 0.000 abstract description 6
- 238000007710 freezing Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000008018 melting Effects 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 25
- 238000000034 method Methods 0.000 description 11
- 239000011454 mudbrick Substances 0.000 description 7
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 235000015110 jellies Nutrition 0.000 description 2
- 239000008274 jelly Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 241000229157 Marah Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 235000012255 calcium oxide Nutrition 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 210000004247 hand Anatomy 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004021 metal welding Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The invention discloses a structure for preventing sand backfill and treating concrete pole up-pulling and a construction method thereof. The structure comprises a concrete pole, a fixing ring, a fixing pull line, a fixing base plate and an annular fixing piece. The construction method of the structure comprises the steps that 1, a concrete pole pit is excavated; 2, the upper edge of the annular fixing piece is fixedly connected with the bottom face of the fixing base plate; 3, the annular fixing piece and the fixing base plate are integrally placed into the bottom of the concrete pole pit; 4, the concrete pole is sleeved with the fixing ring; 5, the concrete pole is vertically placed in the concrete pole pit; 6, the fixing pull line is installed; 7, the concrete pole pit is filled with backfill soil and compacted, and therefore construction is finished. According to the structure and the construction method thereof, the concrete pole up-pulling problem caused by soil freezing in winter and melting in summer in the north area of China is fundamentally solved, the structure is simple, construction is convenient, the adopted materials are low in cost, the construction period is short, and the maintenance cost needed for solving the concrete pole up-pulling problem every year is reduced.
Description
Technical field:
The present invention relates to one kind and prevents from pulling out structure and its construction method on cement pole, and more particularly to a kind of sand control earthen backfill is controlled
Structure and its construction method is pulled out on reason cement pole.
Background technology:
In northern China most area, the soil body occurs the jelly summer in winter to melt, thus leading to transmission line of electricity part of cement bar to occur
Pull out on periodically, in every annual maximum, up to 16cm, some areas are it also occur that cement pole tilts and the phenomenon of falling bar the amount of pulling out, sternly
Threatened line security operation again.Body frost heaving is that the premise pulled out on cement pole occurs, and on pull out generation after, cement pole pole-footing week
Enclose the muddy water sandstone not freezed and fall into filling hole so that pole-footing can not drop back into original place after Second Year thaws, be to cause cement pole
Pull out and ultimately result in down the basic reason of bar on cumulative bad.
At present, China prevents from pulling out on cement pole mainly three class measures, and most basic is to play bracing wire, righting and ridging to add
Gu, such method need to be carried out every year, needs to expend a large amount of human and material resources, financial resources.Equations of The Second Kind mainly from the process bar base soil body
Handss, base oneself upon three Fundamentals eliminating or weakening generation frost heave and (have the soil of heave susceptibility, certain moisture supplies, and fits
Suitable freezing condition and time), changed using draining water proof, coarse sand and fill out and beat the methods such as quicklime pile cement pole bar base is carried out
Process, such methods engineering amount is great, and frost heave effect is not durable.An other class method purpose be strengthen cement pole opposing and
Adapt to freeze thawing deformability, including using deep stake formula, spread foundation and isolation method etc., such method enhances on cement pole
Pull out drag, but shortcoming is to avoid the muddy water sandstone not freezed around dead man root to fall into hole, once there is cement pole
On pull out, be difficult to fall after rise to, causing to pull out in accumulation in situ, fundamentally solve to pull out problem on cement pole.
Content of the invention:
Propose one kind to be both easy to construction, and saved overall expenses, strengthen and pull out resistance on shaft, controlling of sand backfill can be prevented again
On reason cement club body, draw out method is an urgent demand solving to pull out problem on the transmission line cement pole of frost heave area.
First purpose of the present invention is that providing a kind of sand control earthen backfill to administer pulls out structure on cement pole.
Second object of the present invention is to provide the construction method pulling out structure on a kind of sand control earthen backfill improvement cement pole.
First purpose of the present invention is implemented by following technical scheme, and a kind of sand control earthen backfill is administered and pulled out knot on cement pole
Structure, it includes cement pole, retainer ring, fixing bracing wire, fixing base plate and annular stator, and the lower section of described fixing base plate is provided with institute
State annular stator, the top edge of described annular stator is fixedly connected with the bottom surface of described fixing base plate, and described cement pole erects
Directly it is arranged above described fixing base plate, and described cement pole bottom is fixed on the top surface of described fixing base plate, described cement
It is arranged with retainer ring above bar, between described retainer ring and described fixing base plate, be provided with the fixing bracing wire of some tensions, described
One end of fixing bracing wire is connected with the edge of described fixing base plate, and the other end is connected with described retainer ring, and described retainer ring is located at
More than ground surface, described cement pole below described retainer ring, described fixing base plate and described annular stator are all embedded in ground
Soil layer below table.
Preferably, described retainer ring is becket, and described fixing bracing wire is metal wire, and described fixing base plate is rustless steel
Plate, described annular stator is ring stainless steel piece, and the lower edge of described ring stainless steel piece is blade-like.
Specifically, described soil layer is divided into frozen soil layer and non-frozen soil layer, and the upper strata of described non-frozen soil layer is described frozen soil layer.
Preferably, described fixing base plate and described annular stator be all embedded in described in non-frozen soil layer.
Preferably, some described fixing bracing wires are uniformly distributed.
Second object of the present invention is implemented by following technical scheme, and a kind of sand control earthen backfill is administered and pulled out structure on cement pole
Construction method, it comprises the steps:
(1) dig cement pole hole in embedded cement pole position, cement pole hole depth is more than frozen soil layer thickness；
(2) top edge of annular stator is fixedly connected with the bottom surface of fixing base plate, forms an entirety；Annular is fixing
Piece and the structure design of fixing base plate, while pulling out resistance, effectively prevent sand from backfilling, have prevented cement club body on increasing
On pull out the generation of problem.
(3) entirety forming described annular stator with described fixing base plate puts into described cement pole hole bottom, and makes
Obtain described annular stator vertically to place so that described fixing base plate forms a horizontal plane；
(4) sheathed retainer ring on cement pole, and described retainer ring is fixed on described cement pole；
(5) described cement pole is vertically established in described cement pole hole, by described cement pole bottom and described fixing bottom
The top surface of plate is fixed together, and now, described retainer ring is above water；
(6) one end of some fixing bracing wires is equidistantly fixed on the edge of described fixing base plate respectively, the other end
Equidistantly it is fixed in described retainer ring respectively, and bracing wire tension will be fixed；
(7) described cement pole hole backfill is added flat, compacting, complete to construct.
Preferably, described retainer ring is becket, and described fixing bracing wire is metal wire, and described fixing base plate is rustless steel
Plate, described annular stator is ring stainless steel piece, and the top edge of described ring stainless steel piece is welded with described corrosion resistant plate bottom surface
Connect in succession, described cement pole bottom reinforcement bars is welded to connect with the top surface of described corrosion resistant plate, the two ends of metal wire respectively with described
Becket and described corrosion resistant plate are welded to connect.Using the welding of metal wire, becket and corrosion resistant plate, make cement pole and rustless steel
Plate is integrally formed, and increases the total loading of shaft, increases and pulls out resistance on shaft.
Preferably, the lower limb of described ring stainless steel piece is blade-like, in the bottom soil body of insertion described cement pole hole.
Operation principle illustrates: the weight of corrosion resistant plate and ring stainless steel piece increases the total loading of cement club body, simultaneously
Increased above corrosion resistant plate the downward compression frost-heave force of frozen soil layer above sun-dried mud brick gravity and corrosion resistant plate.
(1) when frozen soil layer thickness is less, frozen soil is not enough to overcome shaft with the adhesion (freezing plateau resistance) of cement pole
When total loading, sun-dried mud brick gravity and compression frost-heave force, the method effectively prevent the generation pulling out phenomenon on cement pole.
(2) when frozen soil layer thickness is larger, cement club body on a certain amount of when pulling out freezing plateau resistance occurs so that ring
Shape stainless steel substrates are internally formed hole, can effectively stop the muddy water sandstone that surrounding is not freezed from falling in hole, thaw to Second Year
Afterwards, ring stainless steel piece reinserts lower section sun-dried mud brick, and hole disappears, and cement club body drops back into original place, effectively prevent cement pole
Pull out on shaft.
It is an advantage of the current invention that: 1, the inventive method only need to excavate sun-dried mud brick above corrosion resistant plate, quantities in construction
Little, need not construct on a large scale, greatly shorten the duration, reduce construction cost；2nd, sand control earthen backfill of the present invention is administered and is pulled out on cement pole
Primary raw material used by structure is the rustless steel of constant weight, this material price is cheap, effective control improvement cost；3rd, in frozen soil
When thickness degree is less, prevent from pulling out effect is significant on cement club body；4th, when frozen soil layer thickness is larger, by ring stainless steel piece
Rising, falling and sand control earthen backfill effect, can effectively prevent from pulling out phenomenon on cement club body；5th, the present invention fundamentally solves
Determine the northern area of China, melted and pull out problem on the cement pole leading to because the soil winter freezes the summer, and structure has been simple, easy construction, institute
With lower cost for material, short time limit, greatly reducing annual is to solve to pull out the maintenance maintenance cost needed for problem on cement pole.
Brief description:
Fig. 1 is to pull out structural representation on a kind of sand control earthen backfill improvement cement pole.
Cement pole 1, becket 2, ground 3 after frost heave, original ground 4, frozen soil layer 5, metal wire 6, non-frozen soil layer 7, rustless steel
Plate 8, ring stainless steel piece 9.
Specific embodiment:
Embodiment 1: as shown in figure 1, a kind of sand control earthen backfill is administered pulls out structure on cement pole, it includes cement pole 1, metal
Ring 2, metal wire 6, corrosion resistant plate 8 and ring stainless steel piece 9, the lower edge of ring stainless steel piece 9 is blade-like.Corrosion resistant plate
8 lower section is provided with ring stainless steel piece 9, and the top edge of ring stainless steel piece 9 is welded to connect with the bottom surface of corrosion resistant plate 8, cement
Bar 1 is vertically arranged above corrosion resistant plate 8, and cement pole 1 bottom is fixed on the top surface of corrosion resistant plate 8, square set on cement pole 1
It is provided with becket 2, between becket 2 and corrosion resistant plate 8, is provided with the metal wire 6 of some tensions, some wires 6 uniformly divide
Cloth.One end of metal wire 6 is welded to connect with the edge of corrosion resistant plate 8, and the other end is welded to connect with becket 2, and becket 2 is located at
More than ground surface, the cement pole 1 of becket 2 lower section, corrosion resistant plate 8 and ring stainless steel piece 9 are all embedded in the soil of below earth's surface
Layer.Soil layer is divided into frozen soil layer 5 and non-frozen soil layer 7, and the upper strata of non-frozen soil layer 7 is frozen soil layer 5.Corrosion resistant plate 8 and ring stainless steel
Piece 9 is all embedded in non-frozen soil layer 7.
After the soil body occurs frost heave, ground has the rising of certain amplitude, as shown in figure 1, ground 3 is higher than original ground after frost heave
4.
Operation principle illustrates: the weight of corrosion resistant plate 8 and ring stainless steel piece 9 increases the total loading of cement pole 1 shaft, with
When increased corrosion resistant plate 8 top sun-dried mud brick gravity and the downward compression frost-heave force of corrosion resistant plate 8 top frozen soil layer.
(1) when frozen soil layer 5 thickness is less, frozen soil layer 5 is not enough to overcome with the adhesion (freezing plateau resistance) of cement pole 1
When the total loading of shaft, sun-dried mud brick gravity and compression frost-heave force, the method effectively prevent the generation pulling out phenomenon on cement pole 1.
(2) when frozen soil layer 5 thickness is larger, freezing plateau resistance cement pole 1 shaft is occurred on a certain amount of when pulling out so that
Ring stainless steel piece 9 is internally formed hole, can effectively stop the muddy water sandstone that surrounding is not freezed from falling in hole, to Second Year
After jelly, ring stainless steel piece 9 reinserts lower section sun-dried mud brick, and hole disappears, and cement pole 1 shaft drops back into original place, effectively prevent water
Pull out on mud bar 1 shaft.
Embodiment 2: the construction method pulling out structure on cement pole is administered in a kind of sand control earthen backfill of embodiment 1, and it includes as follows
Step:
(1) dig cement pole hole in embedded cement pole 1 position, cement pole hole depth is more than frozen soil layer 5 thickness；
(2) bottom surface of the top edge of ring stainless steel piece 9 and corrosion resistant plate 8 is welded to connect, forms an entirety；
(3) entirety forming ring stainless steel piece 9 with corrosion resistant plate 8 puts into cement pole hole bottom, ring stainless steel piece 9
Lower limb be blade-like, in the bottom soil body of insertion cement pole hole, and ring stainless steel piece 9 is vertically placed so that stainless
Steel plate 8 forms a horizontal plane；
(4) sheathed becket 2 on cement pole 1, and becket 2 is fixed on cement pole 1；
(5) cement pole 1 is vertically established in cement pole hole, the top surface welding of cement pole 1 bottom and corrosion resistant plate 8 is connected
It is connected together, now, becket 2 is above water；
(6) one end of some wires 6 is equidistantly welded on the edge of corrosion resistant plate 8 respectively, the other end is respectively
Equidistantly it is welded on becket 2, and metal wire 6 is strained；
(7) cement pole hole backfill is added flat, compacting, complete to construct.
Claims (8)
1. a kind of sand control earthen backfill is administered and is pulled out structure on cement pole it is characterised in that it includes cement pole, retainer ring, fixes and draw
Line, fixing base plate and annular stator, the lower section of described fixing base plate is provided with described annular stator, described annular stator
Top edge is fixedly connected with the bottom surface of described fixing base plate, and described cement pole is vertically arranged above described fixing base plate, and institute
State cement pole bottom to be fixed on the top surface of described fixing base plate, be arranged with retainer ring above described cement pole, described retainer ring
It is provided with the fixing bracing wire of some tensions, one end of described fixing bracing wire and described fixing base plate and described fixing base plate between
Edge connects, and the other end is connected with described retainer ring, and described retainer ring is located at more than ground surface, described below described retainer ring
Cement pole, described fixing base plate and described annular stator are all embedded in the soil layer of below earth's surface.
2. a kind of sand control earthen backfill according to claim 1 is administered and is pulled out structure on cement pole it is characterised in that described fixation
Ring is becket, and described fixing bracing wire is metal wire, and described fixing base plate is corrosion resistant plate, and described annular stator is for annular not
Rust steel disc, the lower edge of described ring stainless steel piece is blade-like.
3. a kind of sand control earthen backfill according to claim 1 is administered and is pulled out structure on cement pole it is characterised in that described soil layer
It is divided into frozen soil layer and non-frozen soil layer, the upper strata of described non-frozen soil layer is described frozen soil layer.
4. a kind of sand control earthen backfill according to claim 3 is administered and is pulled out structure on cement pole it is characterised in that described fixation
Base plate and described annular stator be all embedded in described in non-frozen soil layer.
5. a kind of sand control earthen backfill according to claim 1 is administered and is pulled out structure on cement pole it is characterised in that some institutes
State fixing bracing wire to be uniformly distributed.
6. a kind of sand control earthen backfill is administered and is pulled out the construction method of structure it is characterised in that it comprises the steps: on cement pole
(1) dig cement pole hole in embedded cement pole position, cement pole hole depth is more than frozen soil layer thickness；
(2) top edge of annular stator is fixedly connected with the bottom surface of fixing base plate, forms an entirety；
(3) entirety forming described annular stator with described fixing base plate puts into described cement pole hole bottom, and makes institute
State annular stator vertically to place so that described fixing base plate forms a horizontal plane；
(4) sheathed retainer ring on cement pole, and described retainer ring is fixed on described cement pole；
(5) described cement pole is vertically established in described cement pole hole, by described cement pole bottom and described fixing base plate
Top surface is fixed together, and now, described retainer ring is above water；
(6) one end of some fixing bracing wires is equidistantly fixed on the edge of described fixing base plate respectively, the other end is respectively
Equidistantly it is fixed in described retainer ring, and bracing wire tension will be fixed；
(7) described cement pole hole backfill is added flat, compacting, complete to construct.
7. the construction method pulling out structure on cement pole is administered in a kind of sand control earthen backfill according to claim 6, and its feature exists
In described retainer ring is becket, and described fixing bracing wire is metal wire, and described fixing base plate is corrosion resistant plate, and described annular is solid
Stator is ring stainless steel piece, and the top edge of described ring stainless steel piece is welded to connect with described corrosion resistant plate bottom surface, described water
Mud bar bottom reinforcement bars is welded to connect with the top surface of described corrosion resistant plate, the two ends of metal wire respectively with described becket and described not
Rust steel plate is welded to connect.
8. the construction method pulling out structure on cement pole is administered in a kind of sand control earthen backfill according to claim 7, and its feature exists
In the lower limb of described ring stainless steel piece is blade-like, in the bottom soil body of insertion described cement pole hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510432166.5A CN105040723B (en) | 2015-07-22 | 2015-07-22 | Structure for preventing sand backfill and treating concrete pole up-pulling and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510432166.5A CN105040723B (en) | 2015-07-22 | 2015-07-22 | Structure for preventing sand backfill and treating concrete pole up-pulling and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105040723A CN105040723A (en) | 2015-11-11 |
| CN105040723B true CN105040723B (en) | 2017-01-25 |
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| CN201510432166.5A Active CN105040723B (en) | 2015-07-22 | 2015-07-22 | Structure for preventing sand backfill and treating concrete pole up-pulling and construction method thereof |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108643680B (en) * | 2018-05-17 | 2020-02-28 | 国网内蒙古东部电力有限公司电力科学研究院 | Structure for preventing soil frost heaving from causing uplift of telegraph pole |
| CN112681400B (en) * | 2020-12-07 | 2023-11-03 | 徐州华显凯星信息科技有限公司 | Frozen soil area wire pole frost heaving prevention pull-up device |
| CN115949283B (en) * | 2023-03-13 | 2023-05-16 | 国网吉林省电力有限公司辽源供电公司 | Electric pole fixing device with anti-freezing and anti-pulling functions in severe cold region |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1766239A (en) * | 2004-10-28 | 2006-05-03 | 铁道第一勘察设计院 | Pipe-shape base setup for electric force pole tower |
| US8011158B1 (en) * | 2007-04-27 | 2011-09-06 | Sable Developing, Inc. | Footing for support of structure such as building |
| CN102900094B (en) * | 2012-10-11 | 2015-02-04 | 甘肃省电力公司电力经济技术研究院 | Transmission tower plate-type three-rope foundation structure |
| CN103343551A (en) * | 2013-06-18 | 2013-10-09 | 国家电网公司 | Goaf transmission tower foundation adjusting device |
| CN104674836A (en) * | 2015-01-31 | 2015-06-03 | 安徽华电工程咨询设计有限公司 | Excavated foundation adopting two diamond supporting discs |
| CN204898702U (en) * | 2015-07-22 | 2015-12-23 | 国家电网公司 | Cement pole up -pull structure is administered in sand control earthen backfill |
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Effective date of registration: 20170511 Address after: No. 86 West Xicheng District, Beijing, Chang'an Avenue Co-patentee after: STATE GRID INNER MONGOLIA EASTERN ELECTRIC POWER ENERGY SAVING SERVICES Co.,Ltd. Patentee after: State Grid Corporation of China Co-patentee after: ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID EASTERN INNER MONGOLIA POWER Co.,Ltd. Address before: 100031 Xicheng District, Chang'an Avenue, No. 86, Co-patentee before: ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID EASTERN INNER MONGOLIA POWER Co.,Ltd. Patentee before: State Grid Corporation of China |
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Address after: No. 86 West Chang'an Avenue, Beijing, Xicheng District Patentee after: STATE GRID CORPORATION OF CHINA Patentee after: State Grid Inner Mongolia East Power Integrated Energy Service Co.,Ltd. Patentee after: ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID EASTERN INNER MONGOLIA POWER Co.,Ltd. Address before: 100031 No. 86 West Chang'an Avenue, Beijing, Xicheng District Patentee before: State Grid Corporation of China Patentee before: STATE GRID INNER MONGOLIA EASTERN ELECTRIC POWER ENERGY SAVING SERVICES Co.,Ltd. Patentee before: ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID EASTERN INNER MONGOLIA POWER Co.,Ltd. |
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