CN108018868A - A kind of anti-settling formula cement pole underpinning - Google Patents

A kind of anti-settling formula cement pole underpinning Download PDF

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Publication number
CN108018868A
CN108018868A CN201711470290.6A CN201711470290A CN108018868A CN 108018868 A CN108018868 A CN 108018868A CN 201711470290 A CN201711470290 A CN 201711470290A CN 108018868 A CN108018868 A CN 108018868A
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CN
China
Prior art keywords
cement
rod sleeve
pole
supplementary disc
cement pole
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201711470290.6A
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Chinese (zh)
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CN108018868B (en
Inventor
王健
吴涵
易弢
丘亮
罗翔
黄达洋
陈明亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujian Electric Power Pilot Tests Co ltd
State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Fujian Electric Power Co Ltd
State Grid Fujian Electric Power Co Ltd
Fujian Yongfu Power Engineering Co Ltd
Original Assignee
Fujian Central Test Institute Electric Power Industry Co Ltd
State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Fujian Electric Power Co Ltd
State Grid Fujian Electric Power Co Ltd
Fujian Yongfu Power Engineering Co Ltd
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Application filed by Fujian Central Test Institute Electric Power Industry Co Ltd, State Grid Corp of China SGCC, Electric Power Research Institute of State Grid Fujian Electric Power Co Ltd, State Grid Fujian Electric Power Co Ltd, Fujian Yongfu Power Engineering Co Ltd filed Critical Fujian Central Test Institute Electric Power Industry Co Ltd
Priority to CN201711470290.6A priority Critical patent/CN108018868B/en
Publication of CN108018868A publication Critical patent/CN108018868A/en
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00Foundations as substructures
    • E02D27/32Foundations for special purposes
    • E02D27/42Foundations for poles, masts or chimneys
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00Foundations as substructures
    • E02D27/32Foundations for special purposes
    • E02D27/34Foundations for sinking or earthquake territories

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Foundations (AREA)

Abstract

The present invention relates to a kind of anti-settling formula cement pole underpinning, including cement rod sleeve and supplementary disc, the cement rod sleeve is in hollow cylinder, the bottom of cement rod sleeve is closed, the open top of cement rod sleeve, and cement rod sleeve open top turns up and has annular to turn edge, and is offered at the center of the supplementary disc and the matched through hole of cement rod sleeve;In use, supplementary disc is arranged on ground, the through hole of cement pole sleeve bottom through supplementary disc is embedded in ground, and annular turns edge and is stuck in supplementary disc, and cement pole is inserted and secured in cement rod sleeve.Compared with prior art, the combination of sleeve and disk of the present invention had not only been highly resistant to cement pole and has toppled but also can prevent settlement issues of the cement pole under soft foundation.

Description

A kind of anti-settling formula cement pole underpinning
Technical field
The present invention relates to electric power foundation construction field, more particularly, to a kind of anti-settling formula cement pole underpinning, is applicable in In Soft Clays such as mud.
Background technology
Electric distribution network overhead wire is relatively low there are foundation bearing capacity under by weak soil geological conditions such as sandy land or mud, Cement pole is caused to sink under the action of shaft dead weight and wire weight, the security risk be easy to causeing in operational process.
Chinese patent CN204531575U discloses a kind of cement pole Reinforcement Reinforced Concrete Structure, is prevented by cement pole and concrete Heavy beam is formed, and the quantity of cement pole is two, and cement pole bottom, which is fixed on, to be adjusted on beam, is adjusted beam and is internally provided with spacing block, water Mud bar bottom is fixed with supporting rack and support anchor ear, supports and angle steel is welded with anchor ear, the bottom of supporting rack, support anchor ear and angle steel Portion is welded in adjusting beam, and cement pole top is equipped with bracing wire anchor ear, and two cement pole support anchor ears and bracing wire anchor ear, which intersect drawing, to be had Interior bracing wire, adjusts beam and is fixed on the anti-settling beam of concrete by foundation bolt.Cement pole bottom is corresponded in the patent and acts on the anti-settling beam of concrete On, the construction of concrete anti-settling beam is cumbersome and of high cost, although while cement pole bottom fixed by supporting rack and support anchor ear, cement Bar and the active position on ground are still the side of resting on the ground, and according to lever principle, the bottom fixed position of cement pole is still very Weakness, so stilling need to coordinate interior bracing wire to be fixed, then the patent is not suitable for the reinforcing use of single cement pole.
The content of the invention
The purpose of the present invention is exactly to cause cement pole easy to solve cement pole foundation bearing capacity deficiency in soft layer The situation of sedimentation, is betterment works quality, ensures safe distribution of electric power, and provides a kind of anti-settling formula cement pole underpinning, sleeve Combination with disk had not only been highly resistant to cement pole and has toppled but also can prevent settlement issues of the cement pole under soft foundation.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of anti-settling formula cement pole underpinning includes cement rod sleeve and supplementary disc, and the cement rod sleeve is in hollow Cylinder, the bottom of cement rod sleeve is closed, the open top of cement rod sleeve, and cement rod sleeve open top is turned up ring Shape turns edge, and is offered at the center of the supplementary disc and the matched through hole of cement rod sleeve;
In use, supplementary disc is arranged on ground, the through hole of cement pole sleeve bottom through supplementary disc is embedded in ground, and ring Shape, which turns edge, to be stuck in supplementary disc, and cement pole is inserted and secured in cement rod sleeve.
The cement rod sleeve and supplementary disc use reinforced concrete structure.
The outer diameter D of the cement rod sleeve1For 0.8-1.6m.
The outside diameter L of the supplementary disc meets:L=D1+ x, x >=0.6m, and L<2.5m.
Distance h in the cement rod sleeve insertion ground3For 1.8-2.5m.
The outer diameter D that the annular turns edge2Meet:D2= h3+ a, parameter a value range are 180-220mm.
The thickness that the annular turns edge is 80-100mm.
The wall thickness of the cement pole sleeve bottom is 80-100mm.
The thickness of the supplementary disc is 50-70mm.
Compared with prior art, the present invention has the following advantages:
1st, the combination of cement rod sleeve and supplementary disc had not only been highly resistant to cement pole and had toppled, but also cement pole can be prevented flabbily Settlement issues under base.Cement rod sleeve adds the distance in the insertion ground of cement pole bottom, and then adds cement pole bottom Portion and the active area on ground, while add annular and turn edge, its main function is docked with supplementary disc, makes shaft Weight transmits a part to supplementary disc by protrusion, so that the sedimentation under reducing soft foundation.
2nd, the anti-settling formula sleeve basis of the cement pole meets basic engineering requirement on mechanics, can overcome native in soft layer The deficiency of foundation bearing capacity, and can batch production it is prefabricated, shorten the concrete curing time, meet cement pole force request, ensure Construction quality can control and reliability.
Brief description of the drawings
Fig. 1 is the structure diagram of anti-settling formula cement pole underpinning of the present invention;
Fig. 2 is the top view of supplementary disc;
Fig. 3 is the schematic perspective view of supplementary disc.
In figure, 1, cement rod sleeve, 11, annular turn edge, 2, supplementary disc, 21, through hole, 3, cement pole, 4, ground.
Embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with technical solution of the present invention Premised on implemented, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to Following embodiments.
Fig. 1-Fig. 3 show a kind of anti-settling formula cement pole underpinning under the Unfavorable geology such as sand ground or mud, is Assembly type basis, is mainly made of, first, cement rod sleeve 1, second, supplementary disc 2, both use assembling mode two parts Realize the anti-settling of cement pole 3, cement rod sleeve 1 is in hollow cylinder, and the bottom of cement rod sleeve 1 is closed, cement rod set The open top of cylinder 1, and 1 open top of cement rod sleeve turns up and has annular to turn edge 11, offered at the center of supplementary disc 2 with The matched through hole 21 of cement rod sleeve 1.
In use, supplementary disc 2 is arranged on ground 4, the through hole 21 of 1 bottom of cement rod sleeve through supplementary disc 2 is embedded in In ground 4, and annular turns edge and 11 is stuck in supplementary disc 2, and cement pole 3 is inserted and secured in cement rod sleeve 1, cement rod set Cylinder 1 and supplementary disc 2 use reinforced concrete structure, when cement pole 3 is acted on be subject to external loads, cement rod sleeve 1 And 2 collective effect of supplementary disc, resist 3 lateral tilting moment of cement pole and vertical load.
Cement rod sleeve 1 adds top protrusion compared to conventional sleeve basis, that is, adds annular and turn edge 11, its Main function is docked with supplementary disc 2, the weight of shaft is transmitted a part by protrusion and is arrived supplementary disc 2 On, so that the sedimentation under reducing soft foundation.
At the same time according to the actual conditions of engineering, select different 1 sizes of cement rod sleeve and 2 size of supplementary disc big It is small, all kinds of rod-type basis can be applied to relatively broadly.Supplementary disc 2 is divided for monoblock type and assembly type, according to the actual feelings of engineering Condition is selected.
The outer diameter D of cement rod sleeve 11(Such as Fig. 2)Use can according to Practical Project situation select 0.8-1.6m(According to water 0.8m, 1.0m, 1.2m, 1.4m etc. generally may be selected in the stress size of mud bar 3), after excavation of foundation pit, according to bottom of foundation ditch geology feelings Condition chooses whether to need to use supplementary disc 2, if foundation bottom soil property is soft, supplementary disc 2 can be placed at ground 4, auxiliary The size of disk 2 is helped to be selected according to Practical Project situation(The selection of the outside diameter L dimension of supplementary disc 2 can refer to D1+x, and x >= 0.6m), consider the convenience that Practical Project uses, general L is it is not recommended that be more than 2.5m.
1 upper dimension D of cement rod sleeve2(I.e. annular turn edge 11 outside diameter)According to detailing requiments value, using following formula meter Calculate:D2= h3+ a, parameter a value range are 180-220mm, in the present embodiment, D2= h3+200mm。
The inner and outer diameter difference of supplementary disc 2 is calculated using following formula:h=( L-D1-20mm)/2.In Fig. 2 in supplementary disc 2 The reinforcing bar of configuration is uniformly distributed.
In addition cement rod sleeve 1 is embedded in the distance h in ground 43For 1.8-2.5m, annular turn edge 11 thickness h1For 80- 100mm, the wall thickness h of 1 bottom of cement rod sleeve4For 80-100mm, the thickness h of supplementary disc 22For 50-70mm, in the present embodiment, h1And h4Take 100mm, h2Value 60mm, h3Value is the buried depth of electric pole(1.9m, 2.3m etc.).
Cement rod sleeve 1 and the size of supplementary disc 2 are rationally designed more than so that supplementary disc 2 turns edge with annular 11 cooperation preferably can uniformly disperse the weight of 3 shaft of cement pole, strengthen 3 underpinning bearing capacity of cement pole, together When standardization be designed with popularization and application beneficial to underpinning of the present invention, the important engineering mark that electric power cement pole 3 is constructed can be formed It is accurate.
Cement pole 3 uses the cement rod sleeve 1 and supplementary disc 2 of prefabrication on the basis of the Unfavorable geologies such as mud, adopts Sought unity of standard with streamlined production and batch production, be easy to control for the construction quality and progress on basis, shorten the construction period.Spell Basic blocks after dress should all keep certain rigidity requirement on any one direction, ensure shared water after each module assembly The active force of mud bar 3, meets cement pole basic stress requirement.

Claims (9)

  1. A kind of 1. anti-settling formula cement pole underpinning, it is characterised in that including cement rod sleeve and supplementary disc, the cement Rod sleeve is in hollow cylinder, and the bottom of cement rod sleeve is closed, the open top of cement rod sleeve, and cement rod sleeve top Portion's opening turns up and has annular to turn edge, and is offered at the center of the supplementary disc and the matched through hole of cement rod sleeve;
    In use, supplementary disc is arranged on ground, the through hole of cement pole sleeve bottom through supplementary disc is embedded in ground, and ring Shape, which turns edge, to be stuck in supplementary disc, and cement pole is inserted and secured in cement rod sleeve.
  2. A kind of 2. anti-settling formula cement pole underpinning according to claim 1, it is characterised in that the cement rod sleeve Reinforced concrete structure is used with supplementary disc.
  3. A kind of 3. anti-settling formula cement pole underpinning according to claim 1, it is characterised in that the cement rod sleeve Outer diameter D1For 0.8-1.6m.
  4. 4. a kind of anti-settling formula cement pole underpinning according to claim 3, it is characterised in that the supplementary disc Outside diameter L meets:L=D1+ x, x >=0.6m, and L<2.5m.
  5. A kind of 5. anti-settling formula cement pole underpinning according to claim 1, it is characterised in that the cement rod sleeve Distance h in embedded ground3For 1.8-2.5m.
  6. 6. a kind of anti-settling formula cement pole underpinning according to claim 5, it is characterised in that what the annular turned edge Outer diameter D2Meet:D2= h3+ a, parameter a value range are 180-220mm.
  7. 7. a kind of anti-settling formula cement pole underpinning according to claim 1, it is characterised in that what the annular turned edge Thickness is 80-100mm.
  8. A kind of 8. anti-settling formula cement pole underpinning according to claim 1, it is characterised in that the cement rod sleeve The wall thickness of bottom is 80-100mm.
  9. 9. a kind of anti-settling formula cement pole underpinning according to claim 1, it is characterised in that the supplementary disc Thickness is 50-70mm.
CN201711470290.6A 2017-12-29 2017-12-29 Anti-settling cement rod reinforced foundation Active CN108018868B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711470290.6A CN108018868B (en) 2017-12-29 2017-12-29 Anti-settling cement rod reinforced foundation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711470290.6A CN108018868B (en) 2017-12-29 2017-12-29 Anti-settling cement rod reinforced foundation

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CN108018868A true CN108018868A (en) 2018-05-11
CN108018868B CN108018868B (en) 2020-04-17

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111501818A (en) * 2020-05-08 2020-08-07 江苏海洋大学 Cement rod foundation for soft soil area and rapid construction method thereof
CN112814463A (en) * 2020-12-31 2021-05-18 上海市建工设计研究总院有限公司 Assembling method and tool for municipal rod piece

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203049607U (en) * 2013-01-05 2013-07-10 台山市宁华电力设计有限公司 Windproof reinforced concrete pole sleeve foundation
CN103410368A (en) * 2013-08-30 2013-11-27 新疆兵团水利水电工程集团有限公司 Vertical rod reinforcement device used for earth excavation and vertical rod reinforcement method
CN103741708A (en) * 2014-01-02 2014-04-23 台山市宁华电力设计有限公司 Prefabricated concrete pole sleeve base
CN103790176A (en) * 2014-03-06 2014-05-14 中国建筑第二工程局有限公司 Embedded short strut structure and construction method thereof
CN205329707U (en) * 2015-12-18 2016-06-22 广东电网有限责任公司江门供电局 Device can be recycled to 10kV pole
CN105862902A (en) * 2016-04-07 2016-08-17 江苏金海新能源科技有限公司 Steel-concrete nested composite cylinder foundation structure and construction equipment and method thereof
CN205557552U (en) * 2016-04-18 2016-09-07 国网福建省电力有限公司 Cement pole stock foundation reinforcement structure
CN205636777U (en) * 2016-05-19 2016-10-12 国网福建省电力有限公司 Basis is consolidated to assembled cement pole protection mound stock

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203049607U (en) * 2013-01-05 2013-07-10 台山市宁华电力设计有限公司 Windproof reinforced concrete pole sleeve foundation
CN103410368A (en) * 2013-08-30 2013-11-27 新疆兵团水利水电工程集团有限公司 Vertical rod reinforcement device used for earth excavation and vertical rod reinforcement method
CN103741708A (en) * 2014-01-02 2014-04-23 台山市宁华电力设计有限公司 Prefabricated concrete pole sleeve base
CN103790176A (en) * 2014-03-06 2014-05-14 中国建筑第二工程局有限公司 Embedded short strut structure and construction method thereof
CN205329707U (en) * 2015-12-18 2016-06-22 广东电网有限责任公司江门供电局 Device can be recycled to 10kV pole
CN105862902A (en) * 2016-04-07 2016-08-17 江苏金海新能源科技有限公司 Steel-concrete nested composite cylinder foundation structure and construction equipment and method thereof
CN205557552U (en) * 2016-04-18 2016-09-07 国网福建省电力有限公司 Cement pole stock foundation reinforcement structure
CN205636777U (en) * 2016-05-19 2016-10-12 国网福建省电力有限公司 Basis is consolidated to assembled cement pole protection mound stock

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111501818A (en) * 2020-05-08 2020-08-07 江苏海洋大学 Cement rod foundation for soft soil area and rapid construction method thereof
CN112814463A (en) * 2020-12-31 2021-05-18 上海市建工设计研究总院有限公司 Assembling method and tool for municipal rod piece

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Address after: 350003 No. 54, 257, Fuzhou, Fujian

Co-patentee after: State Grid Corporation of China

Patentee after: STATE GRID FUJIAN ELECTRIC POWER Co.,Ltd.

Co-patentee after: ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID FUJIAN ELECTRIC POWER Co.,Ltd.

Co-patentee after: FUJIAN ELECTRIC POWER PILOT TESTS Co.,Ltd.

Co-patentee after: FUJIAN YONGFU POWER ENGINEERING Co.,Ltd.

Address before: 350003 No. 54, 257, Fuzhou, Fujian

Co-patentee before: State Grid Corporation of China

Patentee before: STATE GRID FUJIAN ELECTRIC POWER Co.,Ltd.

Co-patentee before: ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID FUJIAN ELECTRIC POWER Co.,Ltd.

Co-patentee before: FUJIAN ZHONGSHISUO ELECTRIC POWER INDUSTRY Co.,Ltd.

Co-patentee before: FUJIAN YONGFU POWER ENGINEERING Co.,Ltd.