CN103526951A - Equipment and construction technology for strengthening reinforced concrete flexural members through bonding plates - Google Patents

Equipment and construction technology for strengthening reinforced concrete flexural members through bonding plates Download PDF

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CN103526951A
CN103526951A CN201310547142.5A CN201310547142A CN103526951A CN 103526951 A CN103526951 A CN 103526951A CN 201310547142 A CN201310547142 A CN 201310547142A CN 103526951 A CN103526951 A CN 103526951A
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equipment
reinforced concrete
flexural member
concrete flexural
haftplatte
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CN103526951B (en
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杜运兴
侯春旭
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Hunan University
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Hunan University
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Abstract

The invention discloses equipment and construction technology for strengthening reinforced concrete flexural members through bonding plates, and relates to the technical field of building structure construction. The equipment is composed of support fixing bolts, an equipment support, a lifting device, a supporting cross beam and a lifting platform. First, the support is fixed to the side face of a concrete beam which needs strengthening, the height of the supporting cross beam is adjusted, and the supporting cross beam is fixed to the support; the lifting device is fixed to the supporting cross beam, the lifting platform is fixed to the upper portion of the lifting device, and then the lifting platform can ascend and descend through a handle on the lifting device; plates for strengthening the flexural members are placed on the lifting platform; at the time of construction, bonding materials are smeared on the plates, the same bonding materials are smeared on the lower surfaces of the concrete members at the same time, and the strengthened plates are stably bonded to the lower surface of the beam through the lifting device. On one hand, the smoothness of the plates should be guaranteed, and on the other hand, reliable bonding of the plates should be guaranteed. The construction technology can effectively solve the problem that composite plates deform seriously and are even fractured in the rising process and the problem that steel plates are difficult to fix in the process of steel bonding and strengthening. As a result, requirements of the construction technology can be well met, construction efficiency is improved, and construction quality is improved substantially.

Description

Equipment and the construction technology of haftplatte reinforced steel concrete flexural member
Technical field
The present invention relates to building structure construction technical field, particularly relate to a kind of equipment and construction technology of haftplatte reinforced steel concrete flexural member.
Background technology
In steel bonding, sticky composite board reinforced steel concrete flexural member, in order to obtain better consolidation effect, require on the one hand to reinforce plate and there is higher planeness after bonded; Avoid on the other hand reinforcing the destruction of sheet material in construction, composite board for high-strength mortar layer and fibrous material formation, in the process of construction, because composite board rigidity all smaller, and length is grown (identical with beam length), so composite consolidation material may produce larger distortion in lifting process, even ruptures.In order to reach this purpose, reinforce sheet material needs a kind of special device in lifting process, to guarantee that reinforcing sheet material can be needed the concrete component soffit place reinforcing by even, stable being lifted to.In addition, also will guarantee to reinforce sheet material wants fully with the bonding that is reinforced flexural member.Thereby need to apply uniformly power upwards to the sheet material by bonding, guarantee that being reinforced sheet material can be bonded in the soffit that is reinforced flexural member straight, closely.Current steel bonding job practices, although also adopted with the auxiliary fixation steel plate of bolt, the very inconvenience of constructing, needs a large amount of manual operations, location, fixing all comparatively difficult.More there is no corresponding auxiliary bonding equipment, thereby difficulty of construction is large, construction quality is not good.The bonding reinforcing of composite board lacks construction equipment and method especially.For the construction quality that can guarantee that haftplatte is reinforced, improve efficiency of construction, be badly in need of corresponding construction equipment and construction technology.
Summary of the invention
The technical problem that the present invention mainly solves has been to provide a kind of equipment and corresponding construction technology of haftplatte reinforced steel concrete flexural member.By a kind of device with elevating function, the reinforcing sheet material being placed on above mount board is carried out to lifting, thereby reinforce sheet material while solving reinforcing, fix problem difficult, that bonding planeness is not high, bond effect is bad.By all spreading certain thickness binding material and guarantee sticking effect reinforcing sheet material and be reinforced surface of concrete structure.Determine to observe overflowing and the situation of levelling tube of binding material, determine the quality of sticking construction.
The present invention is a kind of novel flexural member strengthening construction equipment, and this construction equipment is partly comprised of bracket fixing bolt, equipment supporter, lifting gear, bearing cross beam, lift platform etc.Shown in Figure 1.
Bracket fixing bolt is selected expansion bolt, and the intensity of bolt, diameter grade can be according to the concrete component being reinforced and the situation decisions of reinforcing sheet material, and the quantity of expansion bolt is no less than 2.At the symmetrical erection bolt of concrete component two middle side parts, support is fixed on concrete component.
Device therefor support, makes a call to two holes along short transverse every 20cm, for mounting support crossbeam and be convenient to adjust the height of bearing cross beam, at the reserved bolt hole in support top, is for support is fixed on and is reinforced concrete beam.
Bearing cross beam used, adopts i shaped cross section girder steel, and the every side of crossbeam is fixed on equipment supporter with two high-strength bolts.
A kind of novel lifting gear used, by supporting arm, syndeton, lifting gear rotating shaft, lifting handle forms, guarantee two-side supporting arm can be inwardly simultaneously, outwards move, realize continuous lifting.Shown in Figure 4.
Lifting support used is four supporting arms, adopts the steel of rectangle and trapezium channel section.
In lifting gear, the connection of four supporting arms adopts the operating principle design that is similar to hinge, connects the plate on both sides by pin, guarantees that plate piece can freely rotate around pin, referring to Fig. 9, Figure 10.Plate is connected with the web part of supporting arm with bolt again.
Junction steel plate center between lateral bolster bearing arm has one to be with female hole, and rotation is meshed in lifting gear rotating shaft in this hole.Junction steel plate between upper support arm and lift platform adopt high-strength bolt to be connected and fixed, the junction steel plate between lower support arm with adopt high-strength bolt to be connected and fixed with bearing cross beam.Referring to Fig. 4.
Elevating mechanism rotating shaft used, the screw thread on it consists of two sections of screw threads of opposite direction, and this two ends reach equates and is symmetrical.
Lifting gear used, at lifting gear rotating shaft two ends, a stop-nut is installed respectively, when rising to requirement height, with spanner, stop-nut is screwed onto to junction steel plate position, the junction steel plate of braking side, prevent from unclamping after lifting handle lifting gear under the Gravitative Loads of top and decline, also guarantee that lifting gear is to the active force of reinforcing sheet material and making progress simultaneously.
Lift platform is comprised of girder steel and lifter plate, and its length is identical with the length that is reinforced concrete flexural member.Girder steel is used for the bending rigidity of intensifier.In haftplatte reinforcing process, guarantee that the power transmission of lift platform equipment is even.In order to alleviate the deadweight of construction equipment, should select lightweight steel construction, for example thin-walled hollow square steel.
Lifter plate selects that rigidity is large, planeness is high and the sheet material of lightweight.In order to guarantee that plate does not rupture in lifting process, the thickness of plate is 20mm.
Reinforce sheet material and concrete flexural member member and bond by binding material, on reinforce sheet material, evenly spread certain thickness binding material, simultaneously to the concrete flexural member component surface of having handled well, spread certain thickness identical binding material.
The bonding situation of reinforcing sheet material and concrete flexural member member is usingd both contact interfaces has binding material to overflow the standard as densification reality.Scrape off the unnecessary binding material overflowing simultaneously.
Levelling tube is installed at girder steel middle part in lift platform, constantly observes the position of bubble in levelling tube in lifting, guarantees that the speed of two ends lifting is identical, reinforces sheet material and keeps level.Reinforcing after sheet material and concrete flexural member bondd, whether observe level tube bubble substantially in center, guarantee the bonding planeness of haftplatte and concrete flexural member.
The layout number of this construction equipment is determined according to the spacing between supporting structure, takes into account economy when guaranteeing strengthening quality.
This construction equipment need be considered the concrete condition of constructing in construction, after fixing support, first reinforcing sheet material and lift platform is put between two supports from support bottom, then reinforcing bar is passed to the bolt hole on support, is bearing in lift platform below.Then, mounting support crossbeam and lifting gear.Remove temporary support reinforcing bar, lift platform is fixed on lifting gear.
Working mechanism of the present invention is summarized as follows:
Reinforce subject matter that sheet material carries out strengthening construction and be and how to guarantee to reinforce sheet material and larger distortion does not occur in lifting process even rupture, and realize lifting continuously and stably by reinforce that sheet material can be straight, be bonded in the soffit that is reinforced flexural member closely.In order to reach this object, with bracket fixing bolt, support is fixed on to concrete flexural member both sides, realize the reliable connection of construction equipment.In order to realize continous-stable lifting, adopted a kind of novel lifting gear, in the lifting gear rotating shaft of this device, be distributed with the screw thread that hand of spiral is contrary, there is threaded hole at the structural steel and iron middle part connecting at lateral-supporting arm, rotating shaft is by both sides junction steel plate, by rotating lifting handle, rotating shaft, make to be enclosed within the junction steel plate move toward one another in rotating shaft, drive supporting arm move toward one another, change supporting arm height, promote lift platform and move upward, the process of decline only needs counter-rotation lifting handle.By observation, be arranged on the levelling tube on lift platform, determine the rate of climb of two lifting gears.
Accompanying drawing explanation:
The front elevation view of accompanying drawing 1 construction equipment.
The front elevation view of accompanying drawing 2 lifting gears.
The side elevational view of accompanying drawing 3 construction equipments.
Accompanying drawing 4 lifting gear schematic diagrames.
Accompanying drawing 5 lateral-supporting arm connection diagrams (the first).
Accompanying drawing 6 upper support arm connection diagrams (the first).
Accompanying drawing 7 lateral-supporting arm connection diagrams (the second).
Accompanying drawing 8 upper support arm connection diagrams (the second).
Accompanying drawing 9 supporting arms connect thin portion schematic diagram (the first).
Accompanying drawing 10 supporting arms connect thin portion schematic diagram (the second).
In figure: 1-bracket fixing bolt, 2-equipment supporter, the syndeton of 3-upper support arm, 4-supporting arm, the syndeton of 5-lateral-supporting arm, 6-lifting handle, 7-set bolt, 8-bearing cross beam, the rotating shaft of 9-elevating mechanism, 10-stop-nut, 11-lift platform, 12-reinforces sheet material, 13-is by concrete flexural member, 14-bolt hole, 15-levelling tube, 16-junction steel plate form (the first), 17-connecting pin bolt, 18-junction steel plate form (the second)
The specific embodiment:
Below in conjunction with the specific embodiment and accompanying drawing, the present invention is described in further detail.
The first step is contained in equipment supporter on concrete flexural member, respectively bracket fixing bolt is squeezed in concrete flexural member being reinforced member both sides, fixes support.
Second step is just reinforced on the lifter plate that sheet material is placed on lift platform, then itself and girder steel are put between two supports from support bottom successively, by manpower, risen to the position designing, then reinforcing bar is passed to the bolt hole on the support of both sides, be bearing in below lift platform, more than whole lift platform being fixed on to predetermined lifting platform position as temporary support.
The height of the whole bearing cross beam of the 3rd step, is fixed on its every limit on equipment supporter with two high-strength bolts.By pin inject junction steel plate in, form syndeton.Rotating shaft, through interior threaded hole on lateral-supporting arm junction steel plate, is adjusted to the position of syndeton, guarantee that the syndeton position at two ends is symmetrical.Stop-nut is arranged in rotating shaft simultaneously.Syndeton is fixed in supporting arm web part with two high-strength bolts and lateral-supporting arm, forms complete lifting gear.Then by high-strength bolt, the syndeton of lower support arm and bearing cross beam are fixed, thus lifting gear is fixing complete.
The 4th step stop-nut that screws up with a wrench, blocks the junction steel plate of side, then removes temporary support reinforcing bar, with high-strength bolt, the syndeton of upper support arm and lift platform are fixed,, thereby on lifting gear fixing lift platform.
After the 5th step fixes device, on reinforcing sheet material, evenly spread certain thickness binding material, at the surface of concrete structure of having handled well, also spread binding material of the same race simultaneously.Rotate lifting handle, make supporting arm to rising, in lifting, reinforce the velocity of rotation of controlling different lifting handles in sheet material process by observing levelling tube situation.Sheet material is transported to and is reinforced place, when observing when contact surface has binding material to overflow, represent to hold out against reinforcing sheet material, and guarantee levelling tube maintenance level.Composite board and concrete component bonding now can be described closely, planeness reaches requirement.With spanner, stop-nut is tightened in junction steel plate position again.
The 6th step scrapes off the unnecessary binding material overflowing.By the time binding material intensity reaches design load, take-off the brake nut, loosen the constraint to side direction junction steel plate, while counter-rotation lifting handle, observe whether level of levelling tube, guarantee that two ends complete decline process with identical speed, then remove the parts such as lifting gear, lift platform, equipment supporter, complete construction.

Claims (9)

1. the equipment based on haftplatte reinforced concrete flexural member and a construction technology, is characterized in that: invented a kind of novel equipment, its composition comprises bracket fixing bolt, equipment supporter, bearing cross beam, lifting gear, lift platform etc.
2. a kind of equipment based on haftplatte reinforced concrete flexural member according to claim 1, it is characterized in that: equipment has adopted suspended structure, equipment supporter and bearing cross beam, consist of, equipment supporter is fixed on and is reinforced on girder steel by bracket fixing bolt.Bearing cross beam is i shaped cross section girder steel, and a certain thickness steel plate is respectively welded at two ends.Both sides are fixed on bearing cross beam on support by the bolt hole on high-strength bolt and support.
3. a kind of equipment based on haftplatte reinforced concrete flexural member according to claim 1, is characterized in that: the lifting gear in equipment is by supporting arm, syndeton, lifting gear rotating shaft, the compositions such as lifting handle, stop-nut.Syndeton, at plate edge welding steel annulus, is passed annulus by pin and is connected both sides plate, guarantees that plate can freely rotate around pin.
4. a kind of equipment based on haftplatte reinforced concrete flexural member according to claim 1, it is characterized in that: the junction steel plate middle part between lateral-supporting arm has one to be with female hole, can and make rotating shaft mesh therein rotation by lifting gear rotating shaft, change the position of supporting arm.
5. a kind of equipment based on haftplatte reinforced concrete flexural member according to claim 1, is characterized in that: lifting gear rotating shaft, the screw thread on it consists of two sections of screw threads of opposite direction, the equal also symmetry of this two ends reach.By handle rotating shaft, the junction steel plate of the left and right sides moves round about, makes two-side supporting arm rise simultaneously or decline.
6. a kind of equipment based on haftplatte reinforced concrete flexural member according to claim 1, it is characterized in that: use stop-nut, when needs fixed bearing arm height, with spanner, stop-nut is tightened, block the junction steel plate of side, prevent from unclamping after lifting handle lifting gear under the Gravitative Loads of top and decline.
7. a kind of equipment and construction technology based on haftplatte reinforced concrete flexural member according to claim 1, is characterized in that: levelling tube is installed at the girder steel middle part in lift platform.By bubble position in levelling tube, guarantee two ends rising or falling speed, guarantee to reinforce sheet material level.After sheet material and concrete flexural member bonding, by levelling tube, guarantee its bonding planeness.
8. a kind of equipment and construction technology based on haftplatte reinforced concrete flexural member according to claim 1, it is characterized in that: all spread certain thickness binding material of the same race with the concrete flexural member component surface of having handled well above reinforcing sheet material, its bonding situation is usingd both contact interfaces has binding material to overflow as bonding firm standard.
9. a kind of equipment and construction technology based on haftplatte reinforced concrete flexural member according to claim 1, it is characterized in that: consider that engineering is actual, first reinforcing sheet material and lift platform are put between two supports from support bottom, then reinforcing bar is passed to the bolt hole on support, be bearing in lift platform below.Then, mounting support crossbeam and lifting gear.Remove temporary support reinforcing bar, lift platform is fixed on lifting gear.
CN201310547142.5A 2013-11-07 2013-11-07 The equipment of haftplatte reinforced steel concrete flexural member and construction method Active CN103526951B (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106555481A (en) * 2016-10-27 2017-04-05 湖南大学 The device and method of prestretching fiber composite board reinforced steel concrete flexural member
CN106812335A (en) * 2017-01-20 2017-06-09 湖南大学 The equipment and construction method of haftplatte Shear Strengthening concrete component
CN108868188A (en) * 2018-08-22 2018-11-23 天津核海源科技发展有限公司 A kind of tool to lock in restrictive condition lower steel plate bonding from absorption rest
CN108952201A (en) * 2018-08-21 2018-12-07 天津核海源科技发展有限公司 Concrete steel bonding rest locking frame under a kind of restrictive condition
CN111396096A (en) * 2020-04-26 2020-07-10 上海同岩土木工程科技股份有限公司 Construction robot for reinforcing bonded steel of tunnel and construction method
CN112854803A (en) * 2021-01-11 2021-05-28 张东林 Reinforced concrete building bonded steel repairing and reinforcing robot
CN112878723A (en) * 2021-01-11 2021-06-01 张东林 Bonded steel repairing and reinforcing method for reinforced concrete building

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0550803A1 (en) * 1992-01-10 1993-07-14 Karl Moser Wood elements joining process
CN1164846A (en) * 1994-08-01 1997-11-12 Xxsys技术股份有限公司 Apparatus and method for reinforcing vertical columns
WO1999015744A1 (en) * 1997-09-24 1999-04-01 Leonhardt, Andrä Und Partner Method and strip-shaped tensional member for strengthening and/or restoring reinforced or prestressed concrete supporting structures, and device for carrying out said method
CN101457592A (en) * 2008-11-20 2009-06-17 江苏广宇建设集团有限公司 Concrete structure affixing steel plate reinforcement method
US8162289B2 (en) * 2007-06-15 2012-04-24 Mccaleb Howard L Modular jack apparatus for lifting floors and other structures
CN102839824A (en) * 2012-09-14 2012-12-26 河北省建筑科学研究院 Steel-bonded reinforcement method for steel structure

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0550803A1 (en) * 1992-01-10 1993-07-14 Karl Moser Wood elements joining process
CN1164846A (en) * 1994-08-01 1997-11-12 Xxsys技术股份有限公司 Apparatus and method for reinforcing vertical columns
WO1999015744A1 (en) * 1997-09-24 1999-04-01 Leonhardt, Andrä Und Partner Method and strip-shaped tensional member for strengthening and/or restoring reinforced or prestressed concrete supporting structures, and device for carrying out said method
US8162289B2 (en) * 2007-06-15 2012-04-24 Mccaleb Howard L Modular jack apparatus for lifting floors and other structures
CN101457592A (en) * 2008-11-20 2009-06-17 江苏广宇建设集团有限公司 Concrete structure affixing steel plate reinforcement method
CN102839824A (en) * 2012-09-14 2012-12-26 河北省建筑科学研究院 Steel-bonded reinforcement method for steel structure

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106555481A (en) * 2016-10-27 2017-04-05 湖南大学 The device and method of prestretching fiber composite board reinforced steel concrete flexural member
CN106555481B (en) * 2016-10-27 2018-08-14 湖南大学 The device and method of prestretching fiber composite board reinforced steel concrete flexural member
CN106812335A (en) * 2017-01-20 2017-06-09 湖南大学 The equipment and construction method of haftplatte Shear Strengthening concrete component
CN108952201A (en) * 2018-08-21 2018-12-07 天津核海源科技发展有限公司 Concrete steel bonding rest locking frame under a kind of restrictive condition
CN108868188A (en) * 2018-08-22 2018-11-23 天津核海源科技发展有限公司 A kind of tool to lock in restrictive condition lower steel plate bonding from absorption rest
CN108868188B (en) * 2018-08-22 2023-12-12 天津核海源科技发展有限公司 Tool for bonding and self-adsorption supporting locking of steel plate under limiting condition
CN111396096A (en) * 2020-04-26 2020-07-10 上海同岩土木工程科技股份有限公司 Construction robot for reinforcing bonded steel of tunnel and construction method
CN112854803A (en) * 2021-01-11 2021-05-28 张东林 Reinforced concrete building bonded steel repairing and reinforcing robot
CN112878723A (en) * 2021-01-11 2021-06-01 张东林 Bonded steel repairing and reinforcing method for reinforced concrete building
CN112878723B (en) * 2021-01-11 2022-06-28 中海建筑有限公司 Bonded steel repairing and reinforcing method for reinforced concrete building

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