CN106121272A - Building pillar apparatus for removing and method - Google Patents

Building pillar apparatus for removing and method Download PDF

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Publication number
CN106121272A
CN106121272A CN201610409132.9A CN201610409132A CN106121272A CN 106121272 A CN106121272 A CN 106121272A CN 201610409132 A CN201610409132 A CN 201610409132A CN 106121272 A CN106121272 A CN 106121272A
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CN
China
Prior art keywords
pillar
jacking
hydraulic cylinder
lock
prestress wire
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
CN201610409132.9A
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Chinese (zh)
Inventor
潘金龙
王强
陈建
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.)
GEOTECHNICAL TECHNOLOGY Co Ltd
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GEOTECHNICAL TECHNOLOGY 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 GEOTECHNICAL TECHNOLOGY Co Ltd filed Critical GEOTECHNICAL TECHNOLOGY Co Ltd
Priority to CN201610409132.9A priority Critical patent/CN106121272A/en
Publication of CN106121272A publication Critical patent/CN106121272A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00Working measures on existing buildings
    • E04G23/08Wrecking of buildings
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/12Mounting of reinforcing inserts; Prestressing
    • E04G21/121Construction of stressing jacks
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00Working measures on existing buildings
    • E04G23/02Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • E04G23/0218Increasing or restoring the load-bearing capacity of building construction elements
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00Working measures on existing buildings
    • E04G23/02Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • E04G23/0218Increasing or restoring the load-bearing capacity of building construction elements
    • E04G23/0237Increasing or restoring the load-bearing capacity of building construction elements of storey floors
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00Working measures on existing buildings
    • E04G23/04Propping of endangered or damaged buildings or building parts, e.g. with respect to air-raid action

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Working Measures On Existing Buildindgs (AREA)

Abstract

The invention discloses a kind of building pillar apparatus for removing and method, aim to solve the problem that existing building construction pillar is bigger on the structural strength impact in house after removing, reduce house and remove the support strength of position at pillar, thus reduce the deficiency in the service life in house.Pillar needs the pillar to surrounding and crossbeam or floor to carry out prestressed concrete reinforcing before removing, and loads prestress wire in prestressed concrete, every prestress wire both pass through in lock collar from lock tube, compress the most backward from lock tube;Being arranged in lock collar by jacking hydraulic cylinder, every prestress wire is each passed through the lock sleeve on jacking dish, is compressed backward by lock sleeve again, makes prestress wire held tight in lock sleeve;The jacking hydraulic cylinder at synchronous averaging steel strand wires two ends, jacking Hydraulic Cylinder jacking piston outwards strains prestress wire, and when the pressure detecting that the pillar intending removing bears removes scope in safety, cutting removes to be intended removing pillar.

Description

Building pillar apparatus for removing and method
Technical field
The present invention relates to a kind of building maintenance technology, more specifically, it relates to a kind of building pillar apparatus for removing And method.
Background technology
There is a lot of pillars a lot of building construction indoor, and pillar serves the effect of well support to house, protects The structural strength in card house and stability, but sight line sometimes the most not only can be blocked due to pillar, and reduce house Utilizing space, particularly in some halls, house, now a lot of householders can select to remove several pillars, more preferable to reach house Utilizing status, but pillar is the lifeblood in house, directly removes the structure affecting house, reduces the service life in house.Mesh The more method of front employing is to use support column to be supported, then by pillar on floor and crossbeam around pillar to be removed Dismounting, after processing the floor and crossbeam removing pillar position, unloads support column, completes removing of pillar.Although with This method removes pillar and adds the space in house, improve the utilizing status in house, but pillar remove after this position Support strength reduces, and affects the service life in house.
Summary of the invention
Instant invention overcomes after existing building construction pillar removes relatively big on the structural strength impact in house, reduce room Room removes the support strength of position at pillar, thus reduces the deficiency in the service life in house, it is provided that a kind of building pillar Apparatus for removing and method, the pillar of building construction is less on the overall construction intensity impact in house after removing, it is ensured that Building construction removes the support strength of position at pillar, it is ensured that the service life of building construction;Building construction pillar Remove construction convenient.
In order to solve above-mentioned technical problem, the present invention by the following technical solutions: a kind of building pillar apparatus for removing, bag Include jacking hydraulic cylinder, from lock collar, the connection backing plate that is embedded on building, be connected to jacking hydraulic cylinder and connection backing plate from lock collar Between, it is provided with cylinder sleeve in jacking hydraulic cylinder, constitutes hydraulic cavities between outer wall of cylinder jachet and jacking hydraulic cylinder inwall, outside jacking hydraulic cylinder Wall is provided with the liquid inlet head with hydraulic chamber into communication, is provided with jacking piston in hydraulic cavities, and jacking hydraulic cylinder front end connects limited location End cap, is provided with return spring between spacing end cap and jacking piston rear end, jacking piston nose is provided with jacking dish, on jacking dish Be provided with big rear end, several front ends little in round table-like locking hole, in lock collar and before locking hole one_to_one corresponding is provided with several Hold big rear end little in round table-like self-locking hole, adaptive in locking hole the lock sleeve for connecting steel strand wires, self-locking hole are installed Interior adaptation be provided with for connect steel strand wires from lock tube, lock sleeve and equal little round table-like in big rear end in front end from lock tube outer wall Structure, lock sleeve and from the most cylindrical structure of lock tube inwall.
Pillar needs the pillar to surrounding and crossbeam or floor to reinforce before removing, and reinforces at crossbeam or floor Built-in prestress wire in prestressed concrete, the pillar that then stretching prestress wire makes plan remove is in static(al) state Under carry out cutting and remove.During the work of pillar apparatus for removing, every prestress wire both pass through in lock collar from lock tube, then Compress backward from lock tube;Being arranged in lock collar by jacking hydraulic cylinder, every prestress wire is each passed through on jacking dish again Lock sleeve, lock sleeve is compressed backward, makes prestress wire held tight in lock sleeve;Synchronous averaging steel strand wires two ends Jacking hydraulic cylinder, jacking Hydraulic Cylinder jacking piston is outwards strained prestress wire, is read by detection main frame simultaneously It is arranged on the data intending removing the pressure sensitive sheet on pillar, when detecting that the pressure that the pillar intending removing bears is removed in safety During scope, jacking hydraulic cylinder is shut down, and stops stretch-draw prestressing force steel strand wires;Cutting intends removing the top and bottom of pillar, has cut This pillar is removed after one-tenth;Remove lock sleeve, jacking hydraulic cylinder, then compress from lock tube, make prestress wire be in tension-like State.The structural strength of building is affected less, after jacking hydraulic cylinder is removed, from lock tube to prestress steel twist by static(al) cutting pillar Line serves good locking effect, prevents prestress steel twist linear shrinkage, it is ensured that to crossbeam and the support strength of floor.This build Buildings column sub-apparatus for removing simple in construction, the overall construction intensity in house is affected relatively after removing by the pillar of building construction Little, it is ensured that building construction removes the support strength of position at pillar, it is ensured that the service life of building construction;House is built It is convenient that buildings column removes construction.
As preferably, lock sleeve and being constituted by the two symmetrically arranged locking bodies of lobe from lock tube.It is made up of two lobe locking bodies Lock sleeve or closely reliable to the clamping of prestress wire from lock tube, make prestress wire draw tighter and tighter, prevent pre-should Power steel strand wires shrink.
As preferably, locking body is equipped with mounting groove on lateral wall, upper end, lock sleeve and on lock tube outer wall two Retaining ring all it is socketed with between mounting groove.Two lobe locking bodies are linked together by retaining ring, to the clamping of prestress wire more Add reliable, it is simple to automatically adjust the clamping force to prestress wire.
As preferably, lock sleeve and backward hold equal indentation structure from front end from lock tube inwall.Jagged surface is come Clamping prestress wire, clamps tightr.
As preferably, jacking hydraulic cylinder sidewall connecting near front position and has limit screw, limit screw protrudes jacking Hydraulic cylinder inwall.Limit screw serves spacing effect to jacking piston, prevents jacking piston from departing from hydraulic cylinder.
As preferably, jacking dish is arranged on outside jacking hydraulic cylinder, and jacking piston rear end is provided with pushing part, and pushing part is tight Being arranged in hydraulic cylinder, jacking hydraulic cylinder is that tubular structure is arranged between outer wall of cylinder jachet and spacing end cap inwall.Pushing part is true Protect the sealing property that jacking piston is connected with hydraulic cavities.In the jacking piston pushing course that this structure is arranged the most reliably.
A kind of building pillar removing method, comprises the following steps:
If a, installation dry tablet pressure sensitive sheet in intending the pillar removed, pressure sensitive sheet electrical connection detection main frame;
B, employing steel bar concrete reinforcement and plan remove crossbeam or the floor that pillar upper end is connected, and use armored concrete to add simultaneously Gu intend removing other pillar around pillar, in the concrete of the crossbeam reinforced or floor, insert some built-in pipes, pre-buried Concrete is all extended at pipe two ends, and concrete end built-in pipe extended position is all embedded with connection backing plate;
C, wait reinforce concrete coagulation after, all load prestress wire, the two of prestress wire in every built-in pipe End all extends connection backing plate, installs from lock collar on connection backing plate, every prestress wire both pass through in lock collar from Lock tube, compresses the most backward from lock tube;Being arranged in lock collar by jacking hydraulic cylinder, every prestress wire is each passed through again Lock sleeve on jacking dish, compresses backward by lock sleeve, makes prestress wire held tight in lock sleeve;
D, the jacking hydraulic cylinder at synchronous averaging prestress wire two ends, jacking Hydraulic Cylinder jacking piston outwards strains pre-answering Power steel strand wires, read the data of pressure sensitive sheet, when the pressure detecting that the pillar intending removing bears simultaneously by detection main frame After reaching safe dismounting scope, jacking hydraulic cylinder is shut down, and stops stretch-draw prestressing force steel strand wires;
E, cutting intend removing the top and bottom of pillar, remove this pillar after having cut;
F, dismounting lock sleeve, jacking hydraulic cylinder, then compress from lock tube, make prestress wire be in tension.
Intend the pillar removed first carried out reinforcing to the pillar of surrounding and crossbeam or floor before cutting removes formed pre- Prestressed concrete, transfers on other pillar of surrounding by the support force intending removing pillar, it is ensured that pillar removes rear building Structural strength.Reinforcing completes post-stress steel strand wires, and the support force part that pillar plan removed bears is transferred to pre- On the tightening force of prestress steel strand, then the pillar intending removing being carried out static(al) cutting, static(al) cuts crossbeam and the damage of floor Hinder little, it is ensured that crossbeam and the structural strength of floor.Pillar is less on the overall construction intensity impact in house after removing, it is ensured that Building construction removes the support strength of position at pillar, it is ensured that the service life of building construction.
As preferably, step b is reinforced the reinforcement pouring into a mould triangle between the upper end of pillar and the crossbeam of reinforcing or floor Gusset, reinforces and connects gripper shoe on the outer wall of pillar, and gripper shoe upper end is towards intending crossbeam or the building that dismounting pillar is connected to reinforce On plate, cylinder lever connecting rod between gripper shoe and reinforcement gusset.Strengthen gusset and gripper shoe adds pillar to crossbeam and the volume of floor Support strength, it is ensured that the overall construction intensity of building construction is not removed by pillar to be affected.
As preferably, in step b, pillar digs several reinforced holes before reinforcing on pillar outer wall, exposes post in reinforced hole Son reinforcing bar, during then on the reinforcing bar exposed, welded reinforcement extends to the reinforced concrete outside pillar and with the steel in concrete Muscle is fixing to be connected.By the reinforcing bar in pillar together with the reinforcement welding reinforced in prestressed concrete, it is ensured that pre-after reinforcing Prestressed concrete becomes an entirety with former pillar, improves structural strength and the support strength reinforcing prestressed concrete.
As preferably, before step b middle cross beam or floor reinforcing, the upper surface at crossbeam or floor digs several reinforcing grooves, Reinforce bottom land and bore several apertures passed through for reinforcing bar, arrange in arranging bar-mat reinforcement, aperture in reinforcing groove and pull reinforcing bar, pull steel Muscle upper end is fixing with bar-mat reinforcement to be connected, and pulls reinforcing bar lower end and the reinforcing bar in the concrete of reinforcing crossmember or floor to fix and is connected, Concrete is poured into a mould in reinforcing groove.Pull reinforcing bar make the crossbeam of reinforcing or floorslab concrete become with former crossbeam or floor one whole Body, it is to avoid delamination splitting phenomenon occurs before both, and affects the structural strength of entirety.
Compared with prior art, the invention has the beneficial effects as follows: the pillar of building construction remove after to house Overall construction intensity impact is less, it is ensured that building construction removes the support strength of position at pillar, it is ensured that building construction The service life of thing;It is convenient that building construction pillar removes construction.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 is the working sketch of the present invention;
In figure: 1, jacking hydraulic cylinder, 2, from lock collar, 3, connection backing plate, 4, cylinder sleeve, 5, hydraulic cavities, 6, liquid inlet head, 7, jacking lives Plug, 8, spacing end cap, 9, return spring, 10, jacking dish, 11, locking hole, 12, self-locking hole, 13, lock sleeve, 14, from lock tube, 15, mounting groove, 16, retaining ring, 17, limit screw, 18, pushing part, 19, pressure sensitive sheet, 20, crossbeam or floor, 21, in advance should Power steel strand wires, 22, strengthen gusset, 23, gripper shoe, 24, pull bar, 25, reinforced hole, 26, reinforce groove, 27, bar-mat reinforcement, 28, pull Reinforcing bar.
Detailed description of the invention
Below by specific embodiment, and combine accompanying drawing, technical scheme be further described specifically:
Embodiment: a kind of building pillar apparatus for removing (seeing accompanying drawing 1), including jacking hydraulic cylinder 1, from lock collar 2, be embedded and building Build the connection backing plate 3 on thing, be connected between jacking hydraulic cylinder and connection backing plate from lock collar, in jacking hydraulic cylinder, be provided with cylinder sleeve 4, Constituting the hydraulic cavities 5 of annular between outer wall of cylinder jachet and jacking hydraulic cylinder inwall, jacking hydraulic cylinder outer wall is provided with hydraulic cavities even Logical liquid inlet head 6, is provided with jacking piston 7 in hydraulic cavities, jacking hydraulic cylinder front end connects limited location end cap 8, spacing end cap and Being provided with return spring 9 between jacking piston rear end, jacking piston nose is provided with jacking dish 10, before jacking dish is provided with several Hold big rear end little in round table-like locking hole 11, in lock collar and locking hole one_to_one corresponding to be provided with big rear end, several front ends little In round table-like self-locking hole 12, adaptive in locking hole the lock sleeve 13 for connecting steel strand wires is installed, adaptive in self-locking hole Be provided with for connect steel strand wires from lock tube 14, lock sleeve and the round table-like knot that all big rear end is little in front end from lock tube outer wall Structure, lock sleeve and from the most cylindrical structure of lock tube inwall.Lock sleeve and from lock tube by two lobes symmetrically arranged locking body structure Become.Locking body is equipped with mounting groove 15 on lateral wall, upper end, between lock sleeve and two mounting grooves on lock tube outer wall all It is socketed with retaining ring 16.Lock sleeve and backward hold equal indentation structure from front end from lock tube inwall.From lock tube, lock sleeve and steel After twisted wire connects, between two locking body opposite faces of lock tube, it is provided with gap, is provided with between two locking body opposite faces of lock sleeve Gap.Connecting near front position on jacking hydraulic cylinder sidewall and have limit screw 17, limit screw protrudes jacking hydraulic cylinder inwall. Limit screw is laid with several.Jacking dish is arranged on outside jacking hydraulic cylinder, and jacking piston rear end is provided with pushing part 18, pushes away Dynamic portion is tightly disposed in hydraulic cylinder, and jacking hydraulic cylinder is that tubular structure is arranged between outer wall of cylinder jachet and spacing end cap inwall.
A kind of building pillar removing method, comprises the following steps:
If a, installation dry tablet pressure sensitive sheet 19 in intending the pillar removed, pressure sensitive sheet electrical connection detection main frame;
B, employing steel bar concrete reinforcement and plan remove crossbeam or the floor 20 that pillar upper end is connected, and use armored concrete simultaneously Reinforce and intend removing other pillar around pillar, in the concrete of the crossbeam reinforced or floor, insert some built-in pipes, in advance Concrete is all extended at pipe laying two ends, and concrete end built-in pipe extended position is all embedded with connection backing plate;
C, wait reinforce concrete coagulation after, all load prestress wire 21 in every built-in pipe, prestress wire Connection backing plate is all extended at two ends, installs from lock collar on connection backing plate, and every prestress wire both passes through in lock collar From lock tube, compress the most backward from lock tube;Being arranged in lock collar by jacking hydraulic cylinder, every prestress wire is worn respectively again Cross the lock sleeve on jacking dish, lock sleeve is compressed backward, make prestress wire held tight in lock sleeve;
D, the jacking hydraulic cylinder at synchronous averaging prestress wire two ends, jacking Hydraulic Cylinder jacking piston outwards strains pre-answering Power steel strand wires, read the data of pressure sensitive sheet, when the pressure detecting that the pillar intending removing bears simultaneously by detection main frame After reaching the safety dismounting scope gone to zero, jacking hydraulic cylinder is shut down, and stops stretch-draw prestressing force steel strand wires;During practice of construction The concrete bearing stress of plan dismounting pillar is removed safely scope and is mostly determined by construction experience.As long as pillar remove after on it The amount of deflection that the crossbeam supported or floor decline is in prescribed limit;
E, cutting intend removing the top and bottom of pillar, remove this pillar after having cut;
F, dismounting lock sleeve, jacking hydraulic cylinder, then compress from lock tube, make prestress wire be in tension.
Step b is reinforced the reinforcement gusset 22 pouring into a mould triangle between the upper end of pillar and the crossbeam of reinforcing or floor, adds Gu connect gripper shoe 23 on the outer wall of pillar, gripper shoe upper end is connected on crossbeam or the floor of reinforcing towards intending dismounting pillar, Cylinder lever connecting rod 24 between gripper shoe and reinforcement gusset.
In step b, pillar digs several reinforced holes 25 before reinforcing on pillar outer wall, exposes the steel of pillar in reinforced hole Muscle, fixes during then on the reinforcing bar exposed, welded reinforcement extends to the reinforced concrete outside pillar and with the reinforcing bar in concrete Connect.
Before step b middle cross beam or floor reinforcing, the upper surface at crossbeam or floor digs several reinforcing grooves 26, reinforces groove Several apertures passed through for reinforcing bar of subdrilling, arrange in arranging bar-mat reinforcement 27, aperture and pull reinforcing bar 28, pull reinforcing bar in reinforcing groove Upper end is fixing with bar-mat reinforcement to be connected, and pulls reinforcing bar lower end and the reinforcing bar in the concrete of reinforcing crossmember or floor to fix and is connected, Reinforce cast concrete in groove.
Embodiment described above is the one preferably scheme of the present invention, not makees the present invention any pro forma Limit, on the premise of without departing from the technical scheme described in claim, also have other variant and remodeling.

Claims (10)

1. a building pillar apparatus for removing, is characterized in that, including jacking hydraulic cylinder, from lock collar, be embedded on building Connection backing plate, is connected between jacking hydraulic cylinder and connection backing plate from lock collar, is provided with cylinder sleeve in jacking hydraulic cylinder, outer wall of cylinder jachet and Constituting hydraulic cavities between jacking hydraulic cylinder inwall, jacking hydraulic cylinder outer wall is provided with the liquid inlet head with hydraulic chamber into communication, hydraulic cavities Inside being provided with jacking piston, jacking hydraulic cylinder front end connects limited location end cap, installs between spacing end cap and jacking piston rear end Have return spring, jacking piston nose to be provided with jacking dish, jacking dish be provided with big rear end, several front ends little in round table-like Locking hole, in lock collar and locking hole one_to_one corresponding be provided with big rear end, several front ends little in round table-like self-locking hole, locking In hole, adaptation is provided with the lock sleeve for connecting steel strand wires, and in self-locking hole, adaptation is provided with the self-locking for connecting steel strand wires Set, lock sleeve and the round table-like structure that all big rear end is little in front end from lock tube outer wall, lock sleeve and from lock tube inwall all in cylinder Shape structure.
Building pillar apparatus for removing the most according to claim 1, is characterized in that, lock sleeve and from lock tube by two lobes pair The locking body arranged is claimed to constitute.
Building pillar apparatus for removing the most according to claim 2, is characterized in that, locking body is equal on lateral wall, upper end It is provided with mounting groove, between lock sleeve and two mounting grooves on lock tube outer wall, is all socketed with retaining ring.
Building pillar apparatus for removing the most according to claim 1, is characterized in that, lock sleeve and from lock tube inwall from front end Toward rear end equal indentation structure.
5. according to the building pillar apparatus for removing described in Claims 1-4 any one, it is characterized in that, jacking hydraulic cylinder side Connecting near front position on wall and have limit screw, limit screw protrudes jacking hydraulic cylinder inwall.
6. according to the building pillar apparatus for removing described in Claims 1-4 any one, it is characterized in that, jacking dish is arranged on Outside jacking hydraulic cylinder, jacking piston rear end is provided with pushing part, and pushing part is tightly disposed in hydraulic cylinder, and jacking hydraulic cylinder is cylinder Shape structure is arranged between outer wall of cylinder jachet and spacing end cap inwall.
7. the building pillar removing method described in claim 1 to 6 any one, is characterized in that, comprise the following steps:
If a, installation dry tablet pressure sensitive sheet in intending the pillar removed, pressure sensitive sheet electrical connection detection main frame;
B, employing steel bar concrete reinforcement and plan remove crossbeam or the floor that pillar upper end is connected, and use armored concrete to add simultaneously Gu intend removing other pillar around pillar, in the concrete of the crossbeam reinforced or floor, insert some built-in pipes, pre-buried Concrete is all extended at pipe two ends, and concrete end built-in pipe extended position is all embedded with connection backing plate;
C, wait reinforce concrete coagulation after, all load prestress wire, the two of prestress wire in every built-in pipe End all extends connection backing plate, installs from lock collar on connection backing plate, every prestress wire both pass through in lock collar from Lock tube, compresses the most backward from lock tube;Being arranged in lock collar by jacking hydraulic cylinder, every prestress wire is each passed through again Lock sleeve on jacking dish, compresses backward by lock sleeve, makes prestress wire held tight in lock sleeve;
D, the jacking hydraulic cylinder at synchronous averaging prestress wire two ends, jacking Hydraulic Cylinder jacking piston outwards strains pre-answering Power steel strand wires, read the data of pressure sensitive sheet, when the pressure detecting that the pillar intending removing bears simultaneously by detection main frame After reaching safe dismounting scope, jacking hydraulic cylinder is shut down, and stops stretch-draw prestressing force steel strand wires;
E, cutting intend removing the top and bottom of pillar, remove this pillar after having cut;
F, dismounting lock sleeve, jacking hydraulic cylinder, then compress from lock tube, make prestress wire be in tension.
Building pillar removing method the most according to claim 7, is characterized in that, step b is reinforced pillar upper end and Pour into a mould the reinforcement gusset of triangle between crossbeam or the floor reinforced, reinforce and on the outer wall of pillar, connect gripper shoe, in gripper shoe Hold and be connected on crossbeam or the floor of reinforcing towards plan dismounting pillar, cylinder lever connecting rod between gripper shoe and reinforcement gusset.
Building pillar removing method the most according to claim 7, is characterized in that, at post before in step b, pillar is reinforced Digging several reinforced holes on sub-outer wall, expose the reinforcing bar of pillar in reinforced hole, then on the reinforcing bar exposed, welded reinforcement extends Fix in reinforced concrete outside pillar and with the reinforcing bar in concrete and be connected.
Building pillar removing method the most according to claim 7, is characterized in that, it is reinforced by step b middle cross beam or floor The front upper surface at crossbeam or floor digs several and reinforces groove, reinforces bottom land and bores several apertures passed through for reinforcing bar, reinforces groove Interior layout bar-mat reinforcement, arranges in aperture and pulls reinforcing bar, pulls reinforcing bar upper end and bar-mat reinforcement to fix and is connected, pulls reinforcing bar lower end and add Connect Gu the reinforcing bar in the concrete of crossbeam or floor is fixing, in reinforcing groove, pour into a mould concrete.
CN201610409132.9A 2016-06-12 2016-06-12 Building pillar apparatus for removing and method Pending CN106121272A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610409132.9A CN106121272A (en) 2016-06-12 2016-06-12 Building pillar apparatus for removing and method

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Application Number Priority Date Filing Date Title
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Publication Number Publication Date
CN106121272A true CN106121272A (en) 2016-11-16

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CN109537929A (en) * 2018-11-30 2019-03-29 北京市建筑工程研究院有限责任公司 Demolishing columns bracing means and reinforcement means
CN109537929B (en) * 2018-11-30 2021-04-20 北京市建筑工程研究院有限责任公司 Reinforcing device and reinforcing method for extracting column reconstruction
CN109403656A (en) * 2018-12-18 2019-03-01 郑微丹 The supporting structure removed for vierendeel truss
CN112392318A (en) * 2019-08-13 2021-02-23 绍兴文理学院元培学院 Assembled cantilever beam power transmission tower
CN110926939A (en) * 2019-12-21 2020-03-27 郑州航空工业管理学院 Steel bar strain force measuring device for machine-made sand prestressed concrete member
CN111719883A (en) * 2020-03-21 2020-09-29 东莞市大乘建筑工程技术有限公司 Joint structure for reinforcing new and old concrete by increasing section and construction method
CN111719883B (en) * 2020-03-21 2021-08-31 东莞市大乘建筑工程技术有限公司 Joint structure for reinforcing new and old concrete by increasing section and construction method
CN115142685A (en) * 2022-03-22 2022-10-04 中建八局发展建设有限公司 Medical treatment steel strand wires for building pull fixing device

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