CN110344444A - The cable shaft not having a power failure raises construction method - Google Patents

The cable shaft not having a power failure raises construction method Download PDF

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Publication number
CN110344444A
CN110344444A CN201910513260.1A CN201910513260A CN110344444A CN 110344444 A CN110344444 A CN 110344444A CN 201910513260 A CN201910513260 A CN 201910513260A CN 110344444 A CN110344444 A CN 110344444A
Authority
CN
China
Prior art keywords
borehole wall
reinforcing bar
cable shaft
power failure
construction method
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.)
Pending
Application number
CN201910513260.1A
Other languages
Chinese (zh)
Inventor
丁俊
谭文韬
戴岳
周佳威
王勇
郭锐
周震海
钮佳伟
张元兴
陆超
赵凌骏
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.)
SUZHOU ELECTRIC POWER DESIGN RESEARCH INSTITUTE Co Ltd
Suzhou Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
Original Assignee
SUZHOU ELECTRIC POWER DESIGN RESEARCH INSTITUTE Co Ltd
Suzhou Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SUZHOU ELECTRIC POWER DESIGN RESEARCH INSTITUTE Co Ltd, Suzhou Power Supply Co of State Grid Jiangsu Electric Power Co Ltd filed Critical SUZHOU ELECTRIC POWER DESIGN RESEARCH INSTITUTE Co Ltd
Priority to CN201910513260.1A priority Critical patent/CN110344444A/en
Publication of CN110344444A publication Critical patent/CN110344444A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/12Manhole shafts; Other inspection or access chambers; Accessories therefor

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  • Engineering & Computer Science (AREA)
  • Environmental & Geological 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)
  • Structural Engineering (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)

Abstract

The cable shaft not having a power failure the present invention relates to one kind raises construction method, comprising the following steps: step 1: removing the concrete of the borehole wall and retain original reinforcing bar;Step 2: the height of original reinforcing bar is allowed to match with borehole wall object height at the adjustment borehole wall;Step 3: dabbing processing is done to the upper surface of ditch top plate;Step 4: the position with original reinforcing bar is not implanted into new reinforcing bar on ditch top plate, so that the original reinforcing bar and new reinforcing bar on the upper surface of ditch top plate constitute the bar construction being reliably connected, height and the borehole wall object height of bar construction match;Step 5: the casting concrete on the upper surface of ditch top plate forms the new borehole wall that height is borehole wall object height after the concrete has set.The cable shaft not having a power failure of the invention is raised construction method and can be carried out without having a power failure, and high-efficient, easy to operate, and effect is good.

Description

The cable shaft not having a power failure raises construction method
Technical field
The invention belongs to technical field of electric power construction, and in particular to the cable shaft that one kind does not have a power failure raises construction method.
Background technique
As shown in Fig. 1, cable shaft made of Reinforced Concrete Materials pours includes the borehole wall, furrow bank and trench floor three Point, wherein the borehole wall is vertically arranged and is formed with the part of well head, is highly H1, with a thickness of L5;Furrow bank is located at below the borehole wall, It includes the ditch side wall being vertically arranged and horizontally disposed ditch top plate, and ditch top plate connects under the ditch sidewall upper and the borehole wall End, ditch Sidewall Height are H3, and ditch ceiling height is H2, therefore furrow bank total height is H2+H3, and furrow bank is with a thickness of L2;Trench floor is horizontal Setting is in ditch side wall lower ends, and height is also H2, and width is 2*L2+L3.In fig. 1, the borehole wall corresponds to A, B area, ditch top Plate corresponds to the region C, D.Cable shaft seat is set on the borehole wall and the cable cover of covering well head, the upper surface of cable cover are set Maintain an equal level with ground elevation, the length is L4.In the program, reinforcing bar model, concrete model, cable cover model view demand and It is fixed.Bed course can also be set under trench floor, and bed course height is H4, width 2*L1+2*L2+L3.
Section is because of road construction reason such as where cable shaft, and grade elevation need to change Δ h(and be usually when promoting Δ h), Change cable shaft height (raising cable shaft) with regard to needing to cooperate to cable well construction, and takes necessary reinforcement measure to protect Hinder the working strength of cable shaft.At present frequently with the mode of power cut construction, which influences whether the electricity consumption of power consumer, and existing There are form of construction work low efficiency, implementation more difficult, and construction effect is undesirable.
Summary of the invention
The object of the present invention is to provide one kind can carry out without having a power failure, and cable shaft high-efficient, easy to operate, that effect is good Height adjustment construction method.
In order to achieve the above objectives, the technical solution adopted by the present invention is that:
A kind of cable shaft not having a power failure raises construction method, and the height of the cable shaft for adjusting Reinforced Concrete Materials is described The furrow bank that cable shaft includes the borehole wall for being vertically arranged and being formed with well head, is connected to below the borehole wall, the furrow bank include perpendicular Ditch side wall, the ditch top plate that is horizontally disposed and connecting the ditch sidewall upper and the borehole wall lower end being directly arranged, it is described not have a power failure Cable shaft raise construction method the following steps are included:
Step 1: removing the concrete of the borehole wall and retain original reinforcing bar;
Step 2: the height for adjusting original reinforcing bar at the borehole wall is allowed to match with borehole wall object height;
Step 3: dabbing processing is done to the upper surface of the ditch top plate;
Step 4: the position with original reinforcing bar is not implanted into new reinforcing bar on the ditch top plate, so that the upper surface of the ditch top plate On original reinforcing bar and new reinforcing bar constitute the bar construction that is reliably connected, the height and borehole wall object height of the bar construction Match;
Step 5: the casting concrete on the upper surface of the ditch top plate and after the concrete setting formed height be well The new borehole wall of wall object height.
The cable shaft not having a power failure raises preparation process and the step before construction method further includes the step 1 Finishing steps after 5;The preparation process are as follows: build scaffold in the cable shaft, and overlapped on the scaffold Anti-fall prefab-form;The finishing steps are as follows: remove the prefab-form and recycle the scaffold.
In the step 2, when borehole wall object height is higher than the former height of the borehole wall, on the basis of original reinforcing bar securely Overlap new reinforcing bar.Overlapped, and new reinforcing bar is consistent with the specification of original reinforcing bar.
In the step 5, institute's casting concrete is consistent with the specification of the original concrete of the cable shaft.
The scaffold is steel pipe scaffold, and the planar dimension of the scaffold is greater than the planar dimension of the well head.Institute Stating prefab-form includes the seamless spliced template monomer of muti-piece.
Due to the above technical solutions, the present invention has the following advantages over the prior art: of the invention does not have a power failure Cable shaft raise construction method and can be carried out without having a power failure, and high-efficient, easy to operate, effect is good.
Detailed description of the invention
Attached drawing 1 is the sectional schematic diagram of existing cable shaft.
Attached drawing 2 is the cable shaft local section comparison before and after raising construction method using the cable shaft not having a power failure of the invention Figure.
Specific embodiment
The invention will be further described for embodiment shown in reference to the accompanying drawing.
Embodiment one: as shown in Fig. 2, the cable shaft of Reinforced Concrete Materials includes being vertically arranged and being formed with well head The borehole wall (A, B area), the furrow bank that is connected to below the borehole wall, furrow bank includes the ditch side wall being vertically arranged, horizontally disposed and connection ditch The ditch top plate (region C, D) of sidewall upper and borehole wall lower end.
A kind of cable shaft not having a power failure for adjusting its height used for above-mentioned cable shaft raises construction method, with Lower step:
Preparation process: building scaffold in cable shaft, and anti-fall prefab-form is overlapped on scaffold.Scaffold is steel pipe feet Hand cradle, steel pipe uses DN50 and the above model, to meet intensity requirement.The planar dimension (including length, width) of scaffold is answered Greater than the planar dimension of well head, prevent personnel, object from directly falling to shaft bottom.Prefab-form includes the seamless spliced template of muti-piece Monomer prevents construction personnel, construction appliance etc. from falling in well, while ensureing that cable operates normally, the personnel facility of avoiding falls, The accidents such as personnel's electric shock, cable fault and power failure.
After being ready to, construction procedure can be started.
Step 1: the concrete of the removal borehole wall (A, B area) simultaneously retains original reinforcing bar, can be made a return journey by way of knockout Except concrete.
Step 2: the height of (A, B area) original reinforcing bar is allowed to match with borehole wall object height at the adjustment borehole wall.Due to Often need to be promoted borehole wall height, i.e. borehole wall object height, for the demand, is needed in original reinforcing bar base higher than the former height of the borehole wall (region E) securely overlaps new reinforcing bar on plinth.Overlapped, and new reinforcing bar is consistent with the specification of original reinforcing bar.
Step 3: dabbing processing being done to the upper surface of ditch top plate (region C, D), to be promoted at F and D, concrete at B and C Bonding strength.
Step 4: the position (region F) with original reinforcing bar is not implanted into new reinforcing bar on ditch top plate, so that ditch top plate (C, D Region) upper surface on original reinforcing bar (region A, B, E) and new reinforcing bar (region F) constitute the bar construction that is reliably connected, The height of bar construction matches with borehole wall object height.
Step 5: the casting concrete on the upper surface of ditch top plate, institute's casting concrete and the original concrete of cable shaft Specification is consistent, then the new borehole wall that height is borehole wall object height is formed after the solidification of concrete 100%, wherein the concrete pair at F The borehole wall plays reinforcement effect.
Implement finishing steps after construction procedure 1-5 again: removing prefab-form and recycle scaffold, construction terminates.
Using above-mentioned arrangement and method for construction to cable well construction, the normal electricity consumption that power supply reliability can be promoted, ensure society, also The generation of the accidents such as cable bad, casualties, power failure caused by avoiding because of construction.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.

Claims (8)

1. the cable shaft that one kind does not have a power failure raises construction method, the height of the cable shaft for adjusting Reinforced Concrete Materials, institute The furrow bank that cable shaft includes the borehole wall for being vertically arranged and being formed with well head, is connected to below the borehole wall is stated, the furrow bank includes Ditch side wall, the ditch top plate that is horizontally disposed and connecting the ditch sidewall upper and the borehole wall lower end being vertically arranged, feature exist Construction method is raised in: the cable shaft not having a power failure the following steps are included:
Step 1: removing the concrete of the borehole wall and retain original reinforcing bar;
Step 2: the height for adjusting original reinforcing bar at the borehole wall is allowed to match with borehole wall object height;
Step 3: dabbing processing is done to the upper surface of the ditch top plate;
Step 4: the position with original reinforcing bar is not implanted into new reinforcing bar on the ditch top plate, so that the upper surface of the ditch top plate On original reinforcing bar and new reinforcing bar constitute the bar construction that is reliably connected, the height and borehole wall object height of the bar construction Match;
Step 5: the casting concrete on the upper surface of the ditch top plate and after the concrete setting formed height be well The new borehole wall of wall object height.
2. the cable shaft according to claim 1 not having a power failure raises construction method, it is characterised in that: the electricity not having a power failure Cable well raises the preparation process before construction method further includes the step 1 and the finishing steps after the step 5;The standard Standby step are as follows: build scaffold in the cable shaft, and overlap anti-fall prefab-form on the scaffold;The ending step Suddenly are as follows: remove the prefab-form and recycle the scaffold.
3. the cable shaft according to claim 1 or 2 not having a power failure raises construction method, it is characterised in that: the step 2 In, when borehole wall object height is higher than the former height of the borehole wall, new reinforcing bar is securely overlapped on the basis of original reinforcing bar.
4. the cable shaft according to claim 3 not having a power failure raises construction method, it is characterised in that: overlapped new reinforcing bar with The specification of original reinforcing bar is consistent.
5. the cable shaft according to claim 1 or 2 not having a power failure raises construction method, it is characterised in that: the step 5 In, institute's casting concrete is consistent with the specification of the original concrete of the cable shaft.
6. the cable shaft according to claim 2 not having a power failure raises construction method, it is characterised in that: the scaffold is steel Pin hand cradle.
7. the cable shaft according to claim 2 not having a power failure raises construction method, it is characterised in that: the scaffold is put down Face size is greater than the planar dimension of the well head.
8. the cable shaft according to claim 2 not having a power failure raises construction method, it is characterised in that: the prefab-form packet Include the seamless spliced template monomer of muti-piece.
CN201910513260.1A 2019-06-14 2019-06-14 The cable shaft not having a power failure raises construction method Pending CN110344444A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910513260.1A CN110344444A (en) 2019-06-14 2019-06-14 The cable shaft not having a power failure raises construction method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910513260.1A CN110344444A (en) 2019-06-14 2019-06-14 The cable shaft not having a power failure raises construction method

Publications (1)

Publication Number Publication Date
CN110344444A true CN110344444A (en) 2019-10-18

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CN201910513260.1A Pending CN110344444A (en) 2019-06-14 2019-06-14 The cable shaft not having a power failure raises construction method

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100746975B1 (en) * 2007-01-19 2007-08-07 대실종합건설 주식회사 Preparing method for paving cutter for repairing and proofing manhole cover
CN103469818A (en) * 2013-10-09 2013-12-25 中国建筑第八工程局有限公司 Connecting structure for prefabricated cable well and cable duct cast-in-place structure and construction method thereof
CN104060631A (en) * 2014-06-30 2014-09-24 南昌航空大学 Road well lid opening elevation dynamic control structure and construction method thereof
CN105019476A (en) * 2015-07-10 2015-11-04 凤阳县凤城建安预制厂 Prefabricated reinforced concrete inspection well
CN106592659A (en) * 2016-12-07 2017-04-26 广东南方电信规划咨询设计院有限公司 Reinforcing treatment method for foundation uneven settlement of communication machine room
CN108396780A (en) * 2018-05-04 2018-08-14 福建鸿生高科环保科技有限公司 A kind of existing inspection shaft reconstruction method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100746975B1 (en) * 2007-01-19 2007-08-07 대실종합건설 주식회사 Preparing method for paving cutter for repairing and proofing manhole cover
CN103469818A (en) * 2013-10-09 2013-12-25 中国建筑第八工程局有限公司 Connecting structure for prefabricated cable well and cable duct cast-in-place structure and construction method thereof
CN104060631A (en) * 2014-06-30 2014-09-24 南昌航空大学 Road well lid opening elevation dynamic control structure and construction method thereof
CN105019476A (en) * 2015-07-10 2015-11-04 凤阳县凤城建安预制厂 Prefabricated reinforced concrete inspection well
CN106592659A (en) * 2016-12-07 2017-04-26 广东南方电信规划咨询设计院有限公司 Reinforcing treatment method for foundation uneven settlement of communication machine room
CN108396780A (en) * 2018-05-04 2018-08-14 福建鸿生高科环保科技有限公司 A kind of existing inspection shaft reconstruction method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
王军轻,王灵鸽: "《丹江大坝加高左岸工程1#、3#电梯井改造施工技术》", 《技术与市场》 *

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Application publication date: 20191018

RJ01 Rejection of invention patent application after publication