CN109797971A - The dismantling of cast-in-situ steel reinforced concrete frame structure building component and assembling method - Google Patents

The dismantling of cast-in-situ steel reinforced concrete frame structure building component and assembling method Download PDF

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CN109797971A
CN109797971A CN201910183454.XA CN201910183454A CN109797971A CN 109797971 A CN109797971 A CN 109797971A CN 201910183454 A CN201910183454 A CN 201910183454A CN 109797971 A CN109797971 A CN 109797971A
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dismantling
floor
frame
unit
node unit
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CN109797971B (en
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姬永生
时方鸣
郭煜诚
陈鑫冰
严久鑫
徐之山
陈豪
周样梅
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China University of Mining and Technology CUMT
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China University of Mining and Technology CUMT
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Abstract

The invention discloses a kind of dismantling of cast-in-situ steel reinforced concrete frame structure building component and assembling methods.Frame structure is decomposed into transverse frame, longitude strut and the secondary beam and floor in main stress direction.From successively dismantling from top to bottom, each structure sheaf un-mate sequence is carried out by the sequence of floor, secondary beam, longitude strut, transverse frame.The dismounting of floor is to mark dismantling band along floor surrounding, and dismantling is truncated with the concrete disintegrating removal in range, then by reinforcing bar from dismantling band is intermediate, make floor and the periphery of Zhou Bianliang all leave reinforcing bar hair stubble so as to it is assembled again when connect.Successively secondary beam and longitude strut are disassembled using above-mentioned same method.The beam and column of each Pin transverse frame is finally disconnected into dismantling into three kinds of node units such as "+" font, "T"-shaped, L shape along middle part.The component and node unit disassembled according to the method described above, can be assembled into building frame again as composite furniture, realize the strange land resettlement of building.

Description

The dismantling of cast-in-situ steel reinforced concrete frame structure building component and assembling method
Technical field
The present invention relates to a kind of dismantling of frame structure building component and its assembling method, specifically a kind of cast in place reinforced bar The dismantling of concrete frame structure building element and assembling method belong to the dismantling of building structure and the recycling skill of building Art field.
Background technique
With China industrialization, urbanization process acceleration, during urban renewal, often occur existing structure and There are problems that contradiction between urban planning, many buildings wait tearing open in building because planning reason has to remove at these There are a large amount of frame structure building, there is a large portion construction-time not grow in these frame structure buildings, still have compared with Big use value.It is simple to remove the waste for not only resulting in vast resources, the longer duration is needed, while bringing very to environment Big pollution.Therefore how sufficiently to excavate these waits tearing down and building the potentiality built, and efficient and environmentally protective mode how to be taken to locate Managing these buildings to be removed is current urgent problem to be solved.
The domestic mainstream measure for handling building to be removed at present is mechanical removal and control explosion.Mechanical removal is by one Series heavy-duty machinery destroys the structure of discarded building completely, and building element is completely transformed into after removing operation and builds Build material waste.These construction material offal treatment modes mainly with it is outdoor shelve and fill based on.Such processing side Formula is not only due to the transport of waste, landfill increase cost, and due to occupying a large amount of soils, also will cause the pollution of environment With the waste of resource.Controlled blasting technique is reasonably to utilize the quick-fried of explosive by tightly calculating by a series of explosives It is fried to make building Inclining destruction, this dismantling measure be equally to the destruction of building element it is destructive, equally bring a large amount of Construction material waste, be unable to give full play the potentiality of discarded building.And in blasting process, a large amount of powder can be generated Dirt causes centainly to pollute to environment.
It can be seen that either mechanical removal or Controlled blasting technique, traditional dismounting means are all to the thorough broken of structure It is bad, it finally can all cause the pollution of environment and the waste of resource.If building to be removed can be as composite furniture by group Disassembled at the component and node unit of building, after simply being repaired and being reconfigured, then can just make to Building is torn open by the assembled again of component, realizes the recycling of building.
Summary of the invention
Technical problem to be solved by the present invention lies in overcome defect of the existing technology, propose a kind of cast-in-place steel The dismantling of tendon concrete frame structure building element and assembling method, can be into as composite furniture based on realizing building Row dismantling and assembled theory, avoid the thorough destruction to fabric structure to be dismantled and component, but by the beam of building, Plate, column are disassembled from original structure, to ensure that the integrality of component and node unit.The component and section dismantled Dot element can just make building to be torn open pass through component and node unit again after carrying out simple surface reconditioning and processing The recycling of building is realized in assembly.Can still have a part more greatly by this dismantling and assemble method simultaneously makes Allow position to planning with the moving house of value, not only can satisfy overall city planning requirement, can also save manpower, Material resources, construction fund, and the duration can be greatly shortened, avoid the wasting of resources.
A kind of disassembling method of cast-in-situ steel reinforced concrete frame structure proposed by the present invention, the steps include:
Cast-in-situ steel reinforced concrete frame structure building to be dismantled is removed all walls, door and window to step 1. and other are non- Supporting part only leaves the space pressure skeleton that beam, floor, column supporting member are constituted.
Step 2. divides space pressure skeleton
House is set as to the main stress direction of horizontal loading in the width direction, referred to as laterally, length direction normal thereto is remembered For longitudinal direction, entire space pressure skeleton is divided by several Pin transverse frames, longitude strut and secondary beam and floor.The transverse direction Frame is made of the crossbeam between several frame columns and each frame column, the horizontal connection between vertical linkage girder system adjacent transverse frame The horizontal beam between adjacent longitude strut is arranged in beam, secondary girder system.
The dismantling of step 3. space pressure skeleton
Un-mate sequence to entire space pressure skeleton is gradually successively disassembled to bottom since space pressure skeleton top layer.It is right It is disassembled in currently torn open floor according to the sequence of floor, secondary beam, longitude strut, transverse frame dismantling.
The dismantling of step 3.1 floor
Dismantling band is marked according to the width of setting along floor edge surrounding, dismantling is removed with the concrete disintegrating in range, then Floor and the reinforcing bar of Zhou Bianliang connection (principal rod and distributing reinforcement) are truncated from dismantling band is intermediate, make floor and the periphery of Zhou Bianliang Reinforcing bar hair stubble is left, all to connect when assembly.Floor member after being disassembled.
The dismantling of step 3.2 secondary beam
Dismantling band is marked respectively according to setting width at the set distance of two threshold value longitude struts of secondary beam.It will tear open The concrete disintegrating removal to ungird in range, then secondary beam is disassembled with muscle is indulged in range from the intermediate truncation of dismantling band, it will finally tear open Stirrup is removed in the range that ungirds, and secondary beam is made to leave reinforcing bar hair stubble all with Vierendeel girder to connect when assembly.Time after being disassembled Beam.
The dismantling of step 3.3 longitude strut
Dismantling band is marked respectively according to the width of setting at two threshold value transverse frame set distances of longitude strut. It will disassemble with the concrete disintegrating removal in range, then dismantling be truncated with the vertical muscle in range from dismantling band centre, finally will Stirrup is removed in dismantling band range, and longitude strut and transverse frame junction is made to leave reinforcing bar hair stubble all so as to company when assembly It connects.Vertical linkage beam after being disassembled.
The dismantling of step 3.4 transverse frame
Dismantling band is marked according to setting width in the middle part of the frame column and crossbeam of a Pin transverse frame, will be disassembled in range Concrete disintegrating removal, then dismantling is truncated with the Reinforcement in range from dismantling band centre and removes dismantling band range One Pin transverse frame is finally disassembled into "+" font, "T"-shaped and three kinds of L shape by interior stirrup respectively in the middle part of frame column and crossbeam Node unit, the connection when beam-ends and styletable of node unit leave reinforcing bar hair stubble in dismantling band range so as to assembly again. Obtain transverse frame "+" font, "T"-shaped and three kinds of node units of L shape.
It the surface reconditioning of the end connecting portion of step 4. component and node unit and reconfigures
Step 4.1 component and node unit end connecting portion surface reconditioning
To coagulation at the splicing position of the vertical linkage beam, secondary beam, node unit and the floor member that dismantle Soil carries out surface reconditioning, eliminates because disassembling work due to bring concrete local damage defect.
Step 4.2 node unit styletable connecting portion reconfigures
Node unit styletable is the end of frame column dismantling, and using node as reference, the frame post part above node is upper prop, instead Be lower prop.Node unit styletable connecting portion reconfigures, and column top sets four prismatic grooves, lower column bottom on node unit Equipped with protrusion truncated rectangular pyramids corresponding with the groove of upper column top, groove and the pre-buried rectangular-ambulatory-plane steel ring of truncated rectangular pyramids, rectangular-ambulatory-plane steel Circle and Reinforcement welding in column are integral, the groove and pre-buried steel ring of truncated rectangular pyramids is corresponding arranges in order to subsequent splicing.
Finally, the dismantling work of the cast-in-situ steel reinforced concrete frame structure building component is fully completed.
The component and node unit disassembled according to the method described above, can according to need and be spliced into building frame, reach Waste utilization, energy conservation and environmental protection.
Utilize component obtained by the above method and node unit Building block object frame structure method:
The assembled sequence of frame structure:
Assembled sequence to entire frame structure is gradually carried out to top layer since structure bottom, to current assembled floor according to Transverse frame, longitude strut, secondary beam, the sequence progress of floor are assembled.
1. transverse frame is assembled
The styletable of 1.1 node units is assembled
Realize that the styletable of frame joint unit is assembled by the way of pre-buried steel ring flash butt welding.Specific practice are as follows: lower unit The lower prop of upper prop and upper unit splices, and first starches in the groove of column top in lower unit, by the protrusion four of styletable under upper unit Terrace with edge is inserted into the groove of lower unit upper prop, slurry in the groove extruding of styletable terrace with edge and full intercolumniation up and down under upper unit Gap, ensure that the globality of connecting portion.Lower unit cylinder in adjusting makes pre-buried steel ring completion pair in upper prop and lower prop It connects, then upper and lower styletable pre-buried steel lap welding is connected by entirety by flash butt welding, to realize stress steel in node unit column up and down Muscle it is longitudinally connected, be finally completed styletable splicing.
The beam-ends of 1.2 node units is assembled
Realize that the beam-ends of frame joint unit is assembled by the way of concrete cast-in-situ.Specific practice are as follows: the right beam of Zuo Danyuan with The left beam of right unit is assembled, binds stirrup again at node unit beam-ends truncation position, restores framework of steel reinforcement, then by left and right beam Interior vertical muscle hair stubble docking, it is by side item weldering that steel bar stress welding in left and right beam is integral.It is poured at splicing position and is higher than original The concrete of structural elements strength grade is finally completed beam-ends splicing.
Assembly is carried out to node unit according to step 1.1 and step 1.2, obtains each Pin transverse frame.
2. the assembly of vertical linkage beam and transverse frame, secondary beam and longitude strut
The assembly of vertical linkage beam Yu transverse frame, secondary beam and longitude strut is realized by the way of concrete cast-in-situ, Specific practice is identical with the beam-ends assembly of node unit.
3. the assembly of floor and Zhou Bianliang
The assembly of floor and Zhou Bianliang are also realized by the way of concrete cast-in-situ.Specific practice are as follows: at floor periphery edge Reinforcing bar hair stubble is docked with Zhou Bianliang reserved steel bar hair stubble, passes through the connection of steel bar stress in side item weldering welding floor and Zhou Bianliang. The concrete higher than original structure component strength grade is poured at splicing position, is finally completed floor and the assembly of Zhou Bianliang.
The utility model has the advantages that
(1) recycling for realizing building avoids wasting
Traditional dismounting means either mechanical removal still controls explosion all and is the thorough destruction to structure, and removing operation terminates Building is completely transformed into construction material waste afterwards.The invention patent proposes a kind of cast-in-situ steel reinforced concrete frame structure building structure The dismantling of part and assemble method, such an approach achieves composition can be built to building to be removed as composite furniture The component and node unit for building object are disassembled.After simply being repaired and being reconfigured, so that it may so that building to be torn open By the recycling for realizing building assembled again of component, the waste of resource is avoided.
(2) fund is saved, urban planning is more flexible
A part still moving house with larger use value can be permitted to planning by this dismantling and assemble method Perhaps position.It not only can satisfy overall city planning requirement, there are contradictions between alleviation existing structure and urban planning, may be used also To save human and material resources, construction fund to reduce architecture production and construction cost.
(3) pollution is reduced, environment is protected
By the dismantling and the assembled recycling for realizing building again of component, construction material waste and dust are avoided It generates, reduces the processing of building waste, avoid a large amount of land occupations, land pollution is reduced, to accomplish to environment Protection.
Detailed description of the invention
Fig. 1 cast-in-situ steel reinforced concrete framework regions divide schematic diagram.Wherein: 1- frame column, the band edge of a wing to be dismantled 2- Longitude strut, 3- longitude strut disassemble band, 4- band edge of a wing secondary beam to be dismantled, and 5- secondary beam disassembles band, and 6- floor disassembles band, 7- Floor to be dismantled.
Floor member schematic diagram after Fig. 2 dismantling.
Secondary beam schematic diagram (the band edge of a wing) after Fig. 3 dismantling.
Vertical linkage beam (the band edge of a wing) schematic diagram after Fig. 4 dismantling.
The dividing elements and dismantling schematic diagram of mono- Pin transverse frame of Fig. 5.
Node unit schematic diagram after the dismantling of Fig. 6 transverse frame.
The styletable of Fig. 7 node unit reconfigures schematic diagram.Wherein: 12- node unit lower prop, 13- principal rod, in 14- Bury steel ring, 15- truncated rectangular pyramids, 16- groove, 17- node unit upper prop.
The steel ring arrangement schematic diagram of Fig. 8 node unit styletable reconstruct.
Fig. 9 node unit styletable construction splicing schematic diagram.
The span centre construction splicing schematic diagram of Figure 10 node unit beam.
Specific embodiment
With reference to the accompanying drawings and examples, the method for the present invention is described in further detail.
Embodiment: dismantling cast-in-situ steel reinforced concrete frame structure building.
Step 1. by cast-in-situ steel reinforced concrete frame structure building to be dismantled remove all walls, door and window and its His non-bearing part only leaves the space pressure skeleton that beam, floor, column supporting member are constituted.As shown in Figure 1, in the present embodiment, Space pressure skeleton contains three Pin transverse frames, there is four longitude strut connections, opposite vertical linkage between each transverse frame It is equipped with a secondary beam between beam, is located at longitude strut middle position.
Step 2. divides space pressure skeleton
House is set as to the main stress direction of horizontal loading in the width direction, referred to as laterally, length direction normal thereto is remembered For longitudinal direction, entire space pressure skeleton is divided into the longitude strut 2 by several Pin transverse frames, with the edge of a wing and time with the edge of a wing Beam 4 and floor 7.The transverse frame is made of the crossbeam 30 between several frame columns 1 and each frame column, vertical linkage girder system phase The horizontal beam between adjacent longitude strut is arranged in horizontal connection beam between adjacent transverse frame, secondary girder system.
The dismantling of step 3. space pressure skeleton
Un-mate sequence to entire space pressure skeleton is gradually successively disassembled to bottom since space pressure skeleton top layer.It is right It is disassembled in currently torn open floor according to the sequence of floor, secondary beam, longitude strut, transverse frame dismantling.
The dismantling of step 3.1 floor
Dismantling band 6 is marked according to the width of setting along floor edge surrounding, dismantling is removed with the concrete disintegrating in range, then Floor and the reinforcing bar of Zhou Bianliang connection (principal rod and distributing reinforcement) are truncated from dismantling band is intermediate, make floor and the periphery of Zhou Bianliang Reinforcing bar hair stubble is left, all to connect when assembly.Floor member after being disassembled, is shown in Fig. 2.
The dismantling of step 3.2 secondary beam
Dismantling band 5 is marked respectively according to setting width at the set distance of two threshold value longitude struts of secondary beam 4.It will It disassembles with the concrete disintegrating removal in range, then secondary beam is disassembled with muscle is indulged in range from the intermediate truncation of dismantling band, finally will Stirrup is removed in dismantling band range, and secondary beam is made to leave reinforcing bar hair stubble all with Vierendeel girder to connect when assembly.After being disassembled Secondary beam with the edge of a wing, is shown in Fig. 4.
The dismantling of step 3.3 longitude strut
Dismantling band is marked respectively according to the width of setting at two threshold value transverse frame set distances of longitude strut 2 3.By dismantling with the concrete disintegrating removal in range, then it will disassemble and be truncated with the vertical muscle in range from dismantling band is intermediate, finally Dismantling is removed with stirrup in range, longitude strut and transverse frame junction is made to leave reinforcing bar hair stubble all so as to company when assembly It connects.The vertical linkage beam with the edge of a wing after being disassembled, is shown in Fig. 3.
The dismantling of step 3.4 transverse frame
As shown in figure 5, dismantling band 8 is marked according to setting width in the frame column 1 of a Pin transverse frame and 30 middle part of crossbeam, it will It disassembles and is removed with the concrete disintegrating in range, then dismantling is truncated simultaneously with the Reinforcement in range from dismantling band is intermediate Stirrup in dismantling band range is removed, a Pin transverse frame is finally disassembled into "+" font section in the middle part of frame column and crossbeam respectively Three kinds of node units such as dot element 11, "T"-shaped node unit 10 and L shape node unit 9, the beam-ends and styletable of node unit exist Left in dismantling band range reinforcing bar hair stubble so as to it is again assembled when connection.Obtain transverse frame "+" font, "T"-shaped and " L " Three kinds of node units of shape, as shown in Figure 6.
It the surface reconditioning of the end connecting portion of step 4. component and node unit and reconfigures
Step 4.1 component and node unit end connecting portion surface reconditioning
To coagulation at the splicing position of the vertical linkage beam, secondary beam, node unit and the floor member that dismantle Soil carries out surface reconditioning, eliminates because disassembling work due to bring concrete local damage defect.
Step 4.2 node unit styletable connecting portion reconfigures
Node unit styletable is the end of frame column dismantling, and using node as reference, the frame post part above node is upper prop 17, It as shown in Figure 7 (a), otherwise is lower prop 12, as shown in Figure 7 (b).Node unit styletable connecting portion reconfigures, node list Column top sets four prismatic grooves 16 in member, and lower column bottom is equipped with protrusion truncated rectangular pyramids 15 corresponding with the groove of upper column top, recessed Slot and the pre-buried rectangular-ambulatory-plane steel ring 14 of truncated rectangular pyramids, rectangular-ambulatory-plane steel ring welded with Reinforcement 13 in column it is integral, groove and The corresponding arrangement of the pre-buried steel ring of truncated rectangular pyramids is in order to subsequent splicing.
Finally, the dismantling work of the cast-in-situ steel reinforced concrete frame structure building component is fully completed.
Utilize component obtained by the above method and node unit Building block object frame structure method:
The assembled sequence of frame structure:
Assembled sequence to entire frame structure is gradually carried out to top layer since structure bottom, to current assembled floor according to Transverse frame, longitude strut, secondary beam, the sequence progress of floor are assembled.
1. transverse frame is assembled
The styletable of 1.1 node units is assembled
As shown in figure 9, realizing that the styletable of frame joint unit is assembled by the way of pre-buried steel ring flash butt welding.Specific practice Are as follows: the upper prop 17 of lower unit and the lower prop 12 of upper unit splice, and first starch in the groove of column top in lower unit, by upper unit In the groove of the protrusion truncated rectangular pyramids insertion lower unit upper prop of lower styletable, slurry 19 in the groove styletable terrace with edge under upper unit is squeezed The gap of pressure and full intercolumniation up and down, ensure that the globality of connecting portion.Lower unit cylinder in adjusting makes in upper prop and lower prop Pre-buried steel ring completes docking, then upper and lower styletable pre-buried steel lap welding is connected into entirety by flash butt welding, and 18 in Fig. 9 are weld seam, To realize the longitudinally connected of steel bar stress in node unit column up and down, it is finally completed styletable splicing.
The beam-ends of 1.2 node units is assembled
Realize that the beam-ends of frame joint unit is assembled by the way of concrete cast-in-situ.Specific practice are as follows: the right beam 20 of Zuo Danyuan It is assembled with the left beam 25 of right unit, stirrup is bound again at node unit beam-ends truncation position, restores framework of steel reinforcement, then will be left The docking of muscle hair stubble is indulged in right beam, is welded steel bar stress 24 in left and right beam by the side weldering of item 21 integral.It is poured at splicing position The concrete 23 higher than original structure component strength grade is built, beam-ends splicing is finally completed.
Assembly is carried out to node unit according to step 1.1 and step 1.2, obtains each Pin transverse frame.
2. the assembly of vertical linkage beam and transverse frame, secondary beam and longitude strut
The assembly of vertical linkage beam Yu transverse frame, secondary beam and longitude strut is realized by the way of concrete cast-in-situ, Specific practice is identical with the beam-ends assembly of node unit.
3. the assembly of floor and Zhou Bianliang
The assembly of floor and Zhou Bianliang are also realized by the way of concrete cast-in-situ.Specific practice are as follows: at floor periphery edge Reinforcing bar hair stubble is docked with Zhou Bianliang reserved steel bar hair stubble, passes through the connection of steel bar stress in side item weldering welding floor and Zhou Bianliang. The concrete higher than original structure component strength grade is poured at splicing position, is finally completed floor and the assembly of Zhou Bianliang.

Claims (2)

1. a kind of disassembling method of cast-in-situ steel reinforced concrete frame structure, the steps include:
Cast-in-situ steel reinforced concrete frame structure building to be dismantled is removed all walls, door and window to step 1. and other are non- Supporting part only leaves the space pressure skeleton that beam, floor, column supporting member are constituted;
Step 2. divides space pressure skeleton
House is set as to the main stress direction of horizontal loading in the width direction, referred to as laterally, length direction normal thereto is remembered For longitudinal direction, entire space pressure skeleton is divided by several Pin transverse frames, longitude strut and secondary beam and floor;The transverse direction Frame is made of the crossbeam between several frame columns and each frame column, the horizontal connection between vertical linkage girder system adjacent transverse frame The horizontal beam between adjacent longitude strut is arranged in beam, secondary girder system;
The dismantling of step 3. space pressure skeleton
The un-mate sequence of space pressure skeleton is gradually successively disassembled to bottom since space pressure skeleton top layer;For current Torn open floor is disassembled according to the sequence of floor, secondary beam, longitude strut, transverse frame dismantling;
The dismantling of step 3.1 floor
Dismantling band is marked according to the width of setting along floor edge surrounding, dismantling is removed with the concrete disintegrating in range, then The reinforcing bar that floor is connect with Zhou Bianliang;From the intermediate truncation of dismantling band, the periphery of floor and Zhou Bianliang is made all to leave reinforcing bar hair stubble, Floor member after being disassembled;
The dismantling of step 3.2 secondary beam
Dismantling band is marked respectively according to setting width at the set distance of two threshold value longitude struts of secondary beam;It will tear open The concrete disintegrating removal to ungird in range, then secondary beam is disassembled with muscle is indulged in range from the intermediate truncation of dismantling band, it will finally tear open Stirrup is removed in the range that ungirds, and secondary beam and Vierendeel girder is made all to leave reinforcing bar hair stubble, the secondary beam after being disassembled;
The dismantling of step 3.3 longitude strut
Dismantling band is marked respectively according to the width of setting at two threshold value transverse frame set distances of longitude strut; It will disassemble with the concrete disintegrating removal in range, then dismantling be truncated with the vertical muscle in range from dismantling band centre, finally will Stirrup is removed in dismantling band range, so that longitude strut and transverse frame junction is all left reinforcing bar hair stubble, after being disassembled Vertical linkage beam;
The dismantling of step 3.4 transverse frame
Dismantling band is marked according to setting width in the middle part of the frame column and crossbeam of a Pin transverse frame, will be disassembled in range Concrete disintegrating removal, then dismantling is truncated with the Reinforcement in range from dismantling band centre and removes dismantling band range One Pin transverse frame is finally disassembled into "+" font, "T"-shaped and three kinds of L shape by interior stirrup respectively in the middle part of frame column and crossbeam Node unit, the beam-ends and styletable of node unit leave reinforcing bar hair stubble in dismantling band range, obtain transverse frame "+" word Shape, "T"-shaped and three kinds of node units of L shape;
It the surface reconditioning of the end connecting portion of step 4. component and node unit and reconfigures
Step 4.1 component and node unit end connecting portion surface reconditioning
To coagulation at the splicing position of the vertical linkage beam, secondary beam, node unit and the floor member that dismantle Soil carries out surface reconditioning, eliminates because disassembling work due to bring concrete local damage defect;
Step 4.2 node unit styletable connecting portion reconfigures
Node unit styletable is the end of frame column dismantling, and using node as reference, the frame post part above node is upper prop, instead Be lower prop;Node unit styletable connecting portion reconfigures, and column top sets four prismatic grooves, lower column bottom on node unit Equipped with protrusion truncated rectangular pyramids corresponding with the groove of upper column top, groove and the pre-buried rectangular-ambulatory-plane steel ring of truncated rectangular pyramids, rectangular-ambulatory-plane steel Circle and Reinforcement welding in column are integral, the groove and pre-buried steel ring of truncated rectangular pyramids is corresponding arranges;
The dismantling work of the cast-in-situ steel reinforced concrete frame structure building component is fully completed.
2. a kind of component and node unit that the disassembling method by cast-in-situ steel reinforced concrete frame structure described in claim 1 obtains The method of Building block object frame structure, the steps include:
The assembled sequence of frame structure:
Assembled sequence to entire frame structure is gradually carried out to top layer since structure bottom, to current assembled floor according to Transverse frame, longitude strut, secondary beam, the sequence progress of floor are assembled;
Step 1. transverse frame is assembled
The styletable of step 1.1 node unit is assembled
Realize that the styletable of frame joint unit is assembled by the way of pre-buried steel ring flash butt welding, specific practice are as follows: lower unit The lower prop of upper prop and upper unit splices, and first starches in the groove of column top in lower unit, by the protrusion four of styletable under upper unit Terrace with edge is inserted into the groove of lower unit upper prop, slurry in the groove extruding of styletable terrace with edge and full intercolumniation up and down under upper unit Gap, ensure that the globality of connecting portion;Lower unit cylinder in adjusting makes pre-buried steel ring completion pair in upper prop and lower prop It connects, then upper and lower styletable pre-buried steel lap welding is connected by entirety by flash butt welding, to realize stress steel in node unit column up and down Muscle it is longitudinally connected, be finally completed styletable splicing;
The beam-ends of step 1.2 node unit is assembled
Realize that the beam-ends of frame joint unit is assembled by the way of concrete cast-in-situ, specific practice are as follows: the right beam of Zuo Danyuan with The left beam of right unit is assembled, binds stirrup again at node unit beam-ends truncation position, restores framework of steel reinforcement, then by left and right beam Interior vertical muscle hair stubble docking, it is by side item weldering that steel bar stress welding in left and right beam is integral;It is poured at splicing position and is higher than original The concrete of structural elements strength grade is finally completed beam-ends splicing;
Assembly is carried out to node unit according to step 1.1 and step 1.2, obtains each Pin transverse frame;
The assembly of step 2. vertical linkage beam and transverse frame, secondary beam and longitude strut
The assembly of vertical linkage beam Yu transverse frame, secondary beam and longitude strut is realized by the way of concrete cast-in-situ, Specific practice is identical with the beam-ends assembly of node unit;
The assembly of step 3. floor and Zhou Bianliang
The assembly of floor and Zhou Bianliang also realized by the way of concrete cast-in-situ, specific practice are as follows: at floor periphery edge Reinforcing bar hair stubble is docked with Zhou Bianliang reserved steel bar hair stubble, passes through the connection of steel bar stress in side item weldering welding floor and Zhou Bianliang; The concrete higher than original structure component strength grade is poured at splicing position, is finally completed floor and the assembly of Zhou Bianliang.
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CN115030559A (en) * 2022-05-24 2022-09-09 四川农业大学 Method for dismantling cast-in-situ concrete beam slab column of constructed building
CN116680795A (en) * 2023-08-03 2023-09-01 三一筑工科技股份有限公司 Prefabricated wall reinforcing steel bar area disassembling method and system, prefabricated wall and electronic equipment

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