CN114753517A - Assembled shear wall and construction method thereof - Google Patents
Assembled shear wall and construction method thereof Download PDFInfo
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- CN114753517A CN114753517A CN202210396104.3A CN202210396104A CN114753517A CN 114753517 A CN114753517 A CN 114753517A CN 202210396104 A CN202210396104 A CN 202210396104A CN 114753517 A CN114753517 A CN 114753517A
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- shear wall
- vertical rib
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- 238000010276 construction Methods 0.000 title abstract description 11
- 238000009434 installation Methods 0.000 claims abstract description 44
- 210000003205 muscle Anatomy 0.000 claims description 28
- 239000000463 material Substances 0.000 claims description 21
- 239000002002 slurry Substances 0.000 claims description 14
- 238000013461 design Methods 0.000 claims description 8
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 7
- 239000004917 carbon fiber Substances 0.000 claims description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- 230000013011 mating Effects 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 3
- 239000011440 grout Substances 0.000 description 15
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 10
- 229910052782 aluminium Inorganic materials 0.000 description 10
- 238000006073 displacement reaction Methods 0.000 description 8
- 238000004891 communication Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 2
- 238000009435 building construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/162—Connectors or means for connecting parts for reinforcements
- E04C5/163—Connectors or means for connecting parts for reinforcements the reinforcements running in one single direction
- E04C5/165—Coaxial connection by means of sleeves
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/167—Tools or apparatus specially adapted for working-up plates, panels or slab shaped building elements
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Sewage (AREA)
Abstract
The invention relates to an assembled shear wall and a construction method thereof, wherein the assembled shear wall comprises a lower shear wall and an upper shear wall, the end part of the lower shear wall connected with the upper shear wall is surrounded to form an installation channel, the side wall of the top of the lower shear wall is provided with a first avoiding groove communicated with the installation channel, the lower shear wall is provided with a first vertical rib in a penetrating way, and the first vertical rib extends into the first avoiding groove; a avoidance groove II is formed in the side wall of the bottom of the upper shear wall, a vertical rib II is arranged at the top of the upper shear wall, the vertical rib II extends into the avoidance groove II, and a mounting assembly is arranged at the top end of the vertical rib I and is fixedly connected with the vertical rib II; a concrete layer is formed in the installation channel in a pouring mode; through directly observing the periphery sides of the upper shear wall and the lower shear wall and directly observing the alignment conditions of the avoidance groove I and the avoidance groove II, compared with the related art, the scheme does not need to use a mirror to align and install. This application has shear force wall simple to operate and improves assembly efficiency's effect.
Description
Technical Field
The invention belongs to the technical field of building construction, and particularly relates to an assembled shear wall structure and a construction method thereof.
Background
The prefabricated building is a building which is formed by transferring a large amount of field operation work in the traditional construction mode to a factory, processing and manufacturing building components and accessories, such as floor slabs, wall slabs, stairs, balconies and the like, in the factory, transporting the components and accessories to a building construction site, and assembling and installing the components and the accessories on the site through a reliable connection mode.
Currently, shear walls are equipped with the following steps:
step one, when the shear wall is hoisted to a proper position above a floor slab, an operator assists in landing;
secondly, when the operator assists the shear wall to fall to a proper position, a mirror is placed in a gap between the shear wall and the floor slab to observe whether the gap is aligned with the vertical rib reserved on the floor slab and the vertical rib reserved on the shear wall;
temporarily reinforcing the shear wall, and respectively installing and connecting the vertical ribs reserved on the floor slab and the vertical ribs reserved on the shear wall by using grouting sleeves;
and fourthly, plugging a gap between the shear wall and the floor slab to form a plugging layer, wherein the plugging layer, a bin arranged at the bottom of the shear wall and a sleeve are communicated, grouting materials are conveyed into the sleeve by adopting a grouting method, and the assembly of the shear wall is completed when the strength of the grouting materials is stable after grouting.
Among the above-mentioned correlation technique, operating personnel need be supplementary shear force wall to descend simultaneously, use the mirror to aim at the reinforcing bar, perhaps need divide personnel to observe and aim at the reinforcing bar to and observe in the limited space between shear force wall and floor, very inconvenient, the assembly efficiency is low.
In view of the above technical problems, improvements are needed.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides the assembly type shear wall structure and the construction method thereof, wherein the assembly type shear wall structure is simple in structure, convenient to construct, safe and effective, convenient to install and capable of improving the assembly efficiency.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: an assembled shear wall structure comprises a lower shear wall and an upper shear wall arranged at the top of the lower shear wall, wherein an installation channel is formed by surrounding the end part of the lower shear wall connected with the upper shear wall, a first avoiding groove communicated with the installation channel is formed in the side wall of the top of the lower shear wall, a first vertical rib penetrates through the lower shear wall, and the first vertical rib extends into the first avoiding groove; the side wall of the bottom of the upper shear wall is provided with a avoidance groove II corresponding to the avoidance groove I, the top of the upper shear wall is provided with a vertical rib II, the vertical rib II extends into the avoidance groove II and is aligned with the vertical rib I, and the top end of the vertical rib I is provided with an installation assembly and is fixedly connected with the vertical rib II through the installation assembly; a concrete layer is formed in the installation channel in a pouring mode, and the vertical ribs I, the vertical ribs II and the installation assembly are all embedded in the concrete layer.
By adopting the technical scheme, the lower shear wall and the upper shear wall are produced according to the design standard of the prefabricated component, the upper shear wall is hoisted to the upper part of the upper shear wall to hover, the periphery of the lower shear wall is aligned, the avoidance groove I and the avoidance groove II are aligned with each other through observation and adjustment, the upper shear wall is continuously lowered to the top of the lower shear wall, the installation component is used for fixedly connecting the vertical rib I positioned in the avoidance groove I and the vertical rib II positioned in the avoidance groove II, then grouting material is conveyed in the installation channel to form a concrete layer, and finally the assembly and installation of the shear wall are completed;
through the direct observation of the upper shear wall and the lower shear wall on the periphery and the direct observation of the alignment conditions of the avoidance groove I and the avoidance groove II, compared with the related technology, the scheme does not need to use a mirror to align and mount, and therefore the scheme has the advantages of being convenient to mount the shear wall and improving the assembly efficiency.
As a preferable scheme of the invention, the mounting assembly comprises a sleeve and at least two groups of unit arc blocks, wherein the lower part of the sleeve is in threaded connection with the first vertical rib, the unit arc blocks are circumferentially arranged at intervals, the inner diameter of the upper part of the sleeve is larger than that of the second vertical rib, the sleeve is radially provided with a matching hole corresponding to each unit arc block in a penetrating manner, the unit arc blocks are slidably connected to the inner wall of the matching hole, and the unit arc blocks are in threaded connection with the second vertical rib.
Through adopting above-mentioned technical scheme, with sleeve top-down rotating and the vertical muscle of threaded connection one, back rotating from bottom to top, make sleeve top position rise to suitable position, because of the internal diameter on sleeve upper portion is greater than the internal diameter of vertical muscle two, the axial deviation that the two relative vertical muscle one of vertical muscle of event allowable has the certain limit, and because of the internal diameter on sleeve upper portion is greater than the internal diameter of vertical muscle two, there is the clearance between event sleeve top and the vertical muscle two, when radial sliding unit arc piece was to suitable position, continue to rise the sleeve soon, then can make vertical muscle two and unit arc piece threaded connection, and finally realize vertical muscle one of fixed connection and vertical muscle two.
As a preferred scheme of the invention, the inner top wall and the inner bottom of the matching hole are respectively provided with a guide groove in a radial penetrating way, the corresponding unit arc blocks are respectively fixedly connected with the guide blocks corresponding to the two groups of guide grooves, and the two groups of guide blocks are respectively embedded in the corresponding guide grooves in a sliding way.
Through adopting above-mentioned technical scheme, because of the orientation of seting up of guide way is radial run-through, but the guide block radial displacement to make the unit arc piece radially be close to or radially keep away from vertical muscle two, rise the sleeve soon when the unit arc piece is in suitable position, can make sleeve threaded connection vertical muscle one and vertical muscle two relative from top to bottom, and make the sleeve realize the vertical muscle two that adapts to relative vertical muscle one axial deviation in the certain extent.
As a preferable scheme of the invention, the mounting assembly further comprises a fixing block and a threaded rod, the fixing block is aligned with the matching hole and connected to the outer wall of the sleeve in a welding mode, a threaded groove is formed in the outer arc wall of the unit arc block in the radial direction, and the threaded rod penetrates through the fixing block and then is connected to the inner wall of the threaded groove in a threaded mode.
Through adopting above-mentioned technical scheme, behind unit arc piece sliding connection cooperation hole inner wall, with the fixed block welding at the sleeve outer wall to use the threaded rod to pass threaded connection thread groove inner wall behind the fixed block, continue the rotating threaded rod and make unit arc piece take place radial displacement, then realize that unit arc piece adaptation vertical muscle two that have axial deviation relatively, because of the cooperation of threaded rod and thread groove, carry out displacement restriction to unit arc piece simultaneously, improve unit arc piece and two interlock stabilities of vertical muscle.
As a preferable scheme of the invention, the threaded rod is provided with a slurry guide hole in a penetrating way, and the slurry guide hole penetrates through the unit arc block and is communicated with the interior of the sleeve.
Through adopting above-mentioned technical scheme, carry the grout material in to the sleeve from the grout guide hole, the grout material is filled to the bottom in the sleeve because of the dead weight, and because of there is certain clearance between vertical muscle two and the sleeve upper portion inner wall, so the grout material can overflow the sleeve top, and then continues to fill the installation passageway to finally make the vertical muscle of shear force wall produce good continuity bond stress, and shear force wall about the stable connection.
As a preferable scheme of the invention, one slurry guide hole is a channel for conveying grouting material to the interior of the sleeve, and the other adjacent slurry guide hole is in a sealed state; and one end of the other threaded rod, which is far away from the unit arc block, is provided with a hexagonal screw groove communicated with the slurry guide hole, and a magnetic part is hermetically embedded in the hexagonal screw groove.
Through adopting above-mentioned technical scheme, utilize torque tools such as spanner, make things convenient for rotating hexagonal thread groove, and then realize threaded rod drive unit arc piece radial displacement, make things convenient for two threaded connection of unit arc piece and vertical muscle, at the in-process to one of them grout guide hole grout grouting, another grout guide hole that the shutoff is adjacent, then make things convenient for the grout to fill closely knit sleeve, improve the grout, vertical muscle one, the connectivity between vertical muscle two and the sleeve inner wall, unnecessary grout spills over from the clearance between sleeve top inner wall and the vertical muscle two.
As a preferred scheme of the invention, the top of the lower shear wall is provided with a centering block, and one end of the centering block, which is far away from the lower shear wall, is connected with the upper shear wall.
Through adopting above-mentioned technical scheme, to the centering block because of setting up at shear force wall top down, when providing the shear force wall bearing point, increase the space of installation passageway, conveniently assemble vertical muscle one, vertical muscle two and installation component.
As a preferable scheme of the invention, a carbon fiber grid is laid between the centering block and the adjacent side wall of the upper shear wall.
By adopting the technical scheme, the carbon fiber grids have good durability, and the advantages of improving the connection performance, the anchoring performance, the durability and the like among the lower shear wall, the upper shear wall and the concrete layer.
As a preferred scheme of the invention, the centering block is provided with communicating holes corresponding to the two groups of grouting members arranged along the width direction of the lower shear wall, flexible pipes penetrate through the communicating holes, and two ends of each flexible pipe are respectively sleeved with threaded rods communicated with two sides of the centering block.
Through adopting above-mentioned technical scheme, the seting up of intercommunicating pore is convenient on the one hand to alternate the flexible tube in two storehouses, and on the other hand then is carrying grout thick liquids in to the installation passageway, and grout spare is in actual installation, is difficult to guarantee to be located the threaded rod of centering block both sides and keeps same level, so use the flexible tube to communicate each other, and the flexible tube is the rubber tube of optional use.
A construction method of an assembled shear wall structure comprises the following steps:
s1, producing a lower shear wall and an upper shear wall strictly according to the design standard of the prefabricated part, and hoisting the upper shear wall to the upper part of the lower shear wall;
s2, aligning the upper shear wall and the lower shear wall preliminarily through direct observation of the avoidance groove I and the avoidance groove II, the vertical rib I in the avoidance groove I and the vertical rib II in the avoidance groove II;
s3, fixedly connecting the first vertical rib and the second vertical rib respectively by using the mounting assembly;
and S4, pouring grouting materials in the installation channel, and forming a concrete layer.
By adopting the technical scheme, because the prefabricated component is a strict standard component, and the first avoidance groove and the second avoidance groove are arranged on the side wall of the shear wall, the alignment condition of the upper shear wall and the lower shear wall can be directly observed, the mirror is not needed for assistance, and the installation efficiency is accelerated.
The beneficial effects of the invention are:
1. by directly observing the peripheral sides of the upper shear wall and the lower shear wall and directly observing the alignment conditions of the avoidance groove I and the avoidance groove II, compared with the related technology, the scheme does not need to use a mirror for alignment and installation, so the scheme has the advantages of convenient installation of the shear walls and improvement of the assembly efficiency;
2. the sleeve is connected with the first vertical rib in a threaded mode, the sleeve is continuously lifted to a proper position in a rotating mode, the inner diameter of the sleeve is larger than that of the vertical rib, axial deviation in a certain range can be allowed to exist between the second vertical rib and the second vertical rib, when the unit arc block slides in the radial direction to the proper position, the sleeve is continuously lifted in the rotating mode, the second vertical rib is connected with the unit arc block in a threaded mode, and finally the first vertical rib and the second vertical rib are fixedly connected;
3. and the threaded rod penetrates through the inner wall of the threaded groove of the fixed block and then is in threaded connection, the threaded rod is continuously rotated to enable the unit arc block to generate radial displacement, and the unit arc block is adapted to a vertical rib II with axial deviation relative to the vertical rib I.
Drawings
FIG. 1 is a schematic view of the overall structure of a shear wall according to an embodiment of the present invention after the assembly;
FIG. 2 is a schematic diagram showing an overall structure of the assembled mounting assembly according to the embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of the grouted embodiment of the present invention;
FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3;
fig. 5 is a partial structural schematic view showing a grouting member according to an embodiment of the present invention.
Reference numbers in the figures: 10. A floor slab; 20. a lower shear wall; 201. avoiding the first groove; 202. a first vertical rib; 203. centering blocks; 204. carbon fiber grids; 205. a communicating hole; 30. an upper shear wall; 301. avoiding a second groove; 302. a second vertical rib; 40. installing a channel; 50. mounting the component; 501. a sleeve; 502. a unit arc block; 503. a mating hole; 504. a guide groove; 505. a fixed block; 506. a threaded rod; 507. a thread groove; 508. slurry guide holes; 509. a hexagonal screw groove; 510. a guide block; 511. a hexagonal magnetic block; 512. sealing sleeves; 513. a flexible tube; 60. a concrete layer; 70. aluminum molding; 701. an internally threaded tube; 702. and a rubber nut.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b): the embodiment of the application discloses assembled shear wall structure, refer to fig. 1, fig. 2, and it includes floor 10, lower shear wall 20, goes up shear wall 30, installation component 50 and concrete layer 60, and lower shear wall 20 bottom integration fixed connection is in floor 10 top, and the integration means, lower shear wall 20 and prefabricated floor 10 integrated into one piece in the prefabricated in-process in mill. The upper shear wall 30 is located right above the lower shear wall 20, an installation channel 40 is formed between the opposite sides of the lower shear wall 20 and the upper shear wall 30, the installation channel 40 is formed between the lower shear wall 20 and the upper shear wall 30, an aluminum mold 70 is enclosed around the periphery sides of the lower shear wall 20 and the upper shear wall 30, the aluminum mold 70 seals the installation channel 40, the installation channel 40 forms a relatively closed cavity, and a concrete layer 60 is poured and formed in the installation channel 40 by grouting material. The concrete layer 60 is fixedly connected to the lower shear wall 20 and the upper shear wall 30, respectively, and the mounting assembly 50 is fixedly connected to the lower shear wall 20 and the upper shear wall 30, respectively.
The mounting assembly 50 is embedded in the concrete layer 60, and the lower shear wall 20 and the upper shear wall 30 are assembled by the mounting assembly 50. When the lower shear wall 20 and the upper shear wall 30 are prefabricated in a factory, the lower shear wall and the upper shear wall are manufactured and processed strictly according to design requirements, measurement or installation accuracy is conveniently controlled in the actual measurement process, and installation deviation caused by controllable factors is reduced.
Referring to fig. 3 and 4, the lower shear wall 20 is provided with a plurality of avoidance grooves 201 arranged at intervals along opposite side walls of the top of the length direction of the lower shear wall 20, the lower shear wall 20 is provided with a plurality of vertical ribs 202 according to design specifications, the avoidance grooves 201 correspond to the vertical ribs 202 one to one, and the bottom ends of the vertical ribs 202 extend into the avoidance grooves 201, so that the avoidance grooves 201 have an accommodation protection effect on the vertical ribs 202. The bottom of the upper shear wall 30 corresponds to any avoidance groove one 201 and is provided with a second avoidance groove 301, the upper shear wall 30 is provided with a plurality of second vertical ribs 302 according to the design specification, the second vertical ribs 302 correspond to the second avoidance grooves 301 one to one, and the tops of the second vertical ribs 302 extend into the second avoidance grooves 301, so that the second avoidance grooves 301 have the accommodation protection effect on the second vertical ribs 302. An operator can observe the alignment condition of the first avoidance groove 201 and the second avoidance groove 301, and preliminarily judge whether the first vertical rib 202 and the second vertical rib 302 are aligned.
The middle of the top of the lower shear wall 20 is fixedly connected with the centering block 203 along the length direction thereof, one end of the centering block 203 far away from the lower shear wall 20 is T-shaped, and the T-shaped arrangement is helpful for increasing the acting area between the centering block 203 and the upper shear wall 30. The middle of the bottom of the upper shear wall 30 is arranged at the top of the centering block 203 far away from the lower shear wall 20, and any one side of the periphery of the upper shear wall 30 and the corresponding side of the lower shear wall 20 are in the same vertical plane, so that the high-precision installation of the shear wall is realized. The carbon fiber grids 204 are respectively paved between the two sides of the centering block 203 in the length direction of the lower shear wall 20 and the bottom of the upper shear wall 30, the carbon fiber grids 204 have good durability, the advantages of improving the connection performance, the anchoring performance, the durability and the like among the lower shear wall 20, the upper shear wall 30 and the concrete layer 60 can be improved, and the defect of insufficient connection performance and the like generated by assembling prefabricated parts can be further overcome.
And a group of mounting assemblies 50 are arranged along the width direction of the lower shear wall 20 or the upper shear wall 30, each mounting assembly 50 comprises two groups of grouting pieces which are positioned in the mounting channel 40, and the two groups of grouting pieces are positioned on two sides of the centering block 203. And any grouting piece is respectively installed and connected with the vertical rib I202 and the vertical rib II 302 which are axially opposite up and down, so that the preliminary installation of the lower shear wall 20 and the upper shear wall 30 is realized.
Referring to fig. 4 and 5, the grouting member includes a sleeve 501, a unit arc block 502 and a fixing block 505, the end of the second vertical rib 302 located in the second avoidance groove 301 is located in the sleeve 501, and the diameter of the inner wall of the upper portion of the sleeve 501 is greater than that of the second vertical rib 302, so that a gap exists between the inner wall of the upper portion of the sleeve 501 and the circumferential wall of the second vertical rib 302, the vertical rib 302 can conveniently enter the sleeve 501 in a certain range, and grouting material in the sleeve 501 can overflow. Meanwhile, the inner wall of the lower portion of the sleeve 501 is in threaded connection with the first vertical rib 202, and the sleeve 501 is rotated to be capable of moving and lifting along the axial direction of the first vertical rib 202.
The unit arc blocks 502 are provided with four groups corresponding to the four groups of matching holes 503, the inner arc walls of the four groups of unit arc blocks 502 are sequentially connected to the second vertical rib 302 in a threaded mode in the circumferential direction, and the four groups of unit arc blocks 502 are arranged, so that the meshing capacity between the unit arc blocks 502 and the second vertical rib 302 is improved, and the connection performance among the first vertical rib 202, the second vertical rib 302 and the sleeve 501 is improved. Four groups of fan-shaped matching holes 503 are formed in the peripheral wall of the upper portion of the sleeve 501 in a penetrating mode, and the four groups of matching holes 503 are evenly distributed at intervals along the circumferential direction of the sleeve 501. One ends of the four sets of unit arc blocks 502, which are opposite to the first vertical ribs 202, are respectively embedded in the matching holes 503 in a sliding manner, and the minimum arc length of the matching holes 503 is greater than the maximum arc length of the unit arc blocks 502, so that the unit arc blocks 502 can slide away from the matching holes 503, and the displacement capacity of the unit arc blocks 502 is improved. Because the minimum arc length of the mating hole 503 is greater than the maximum arc length of the unit arc block 502, there is a gap between the inner wall of the mating hole 503 and the unit arc block 502, where the gap is filled with the grouting material overflowing from the sleeve 501.
The inner top wall and the inner bottom of any matching hole 503 are respectively provided with a guide groove 504 in a radial penetrating manner, the corresponding unit arc block 502 is respectively fixedly connected with a guide block 510 corresponding to the two groups of guide grooves 504, and the two groups of guide blocks 510 are respectively embedded in the corresponding guide grooves 504 in a sliding manner. The radial direction refers to the radial direction of the first vertical rib 202, and the opening direction of the guide groove 504 is radial penetration, so that the guide block 510 can move radially, the unit arc block 502 is enabled to be radially close to or radially far away from the second vertical rib 302, the sleeve 501 is lifted in a rotating mode when the unit arc block 502 is in a proper position, the first vertical rib 202 and the second vertical rib 302 which are opposite to each other are connected with the sleeve 501 in a threaded mode, and the sleeve 501 is enabled to be adaptive to the second vertical rib 302 which is axially deviated from the first vertical rib 202 in a certain range.
The fixed blocks 505 are provided with four groups corresponding to the four groups of matching holes 503, any fixed block 505 is welded and connected to the outer peripheral wall of the sleeve 501, and any fixed block 505 seals the corresponding matching hole 503; the outer arc wall of any unit arc block 502 is provided with a thread groove 507 from outside to inside, a threaded rod 506 is connected in each thread groove 507 in a threaded manner, and one end of the threaded rod 506 penetrating through the thread groove 507 is rotatably arranged on the fixing block 505. The threaded rod 506 is rotated, the threaded rod 506 is axially abutted against the inner bottom wall of the threaded groove 507, the threaded rod 506 is continuously rotated, and under the matching action of the guide groove 504 and the guide block 510, the unit arc block 502 is axially displaced, so that the distance relation between the unit arc block 502 and the second vertical rib 302 is conveniently controlled.
Referring to fig. 3 and 4, each threaded rod 506 is formed with a slurry guiding hole 508, and the slurry guiding holes 508 penetrate the corresponding unit arc blocks 502 along the axial direction of the threaded rod 506. Two threaded rods 506 which are consistent with the width direction of the lower shear wall 20 are not in threaded connection with the second vertical rib 302, and only perform the enclosing and guiding function on the second vertical rib 302; two threaded rods 506 perpendicular to the width direction of the lower shear wall 20 are in threaded connection with the second vertical rib 302, the two threaded rods 506 axially limit the second vertical rib 302 and are relatively meshed with the second vertical rib 302, and therefore the grouting piece is fixedly connected with the second vertical rib 302.
The centering block 203 divides the installation channel 40 into two chambers along the length direction of the lower shear wall 20, the communication holes 205 are formed in the two groups of grouting components, which are arranged in the centering block 203 and correspond to the width direction of the lower shear wall 20, the flexible pipes 513 penetrate through the communication holes 205, the two ends of each flexible pipe 513 are respectively sleeved and communicated with the threaded rods 506 on the two sides of the centering block 203, and the two chambers are communicated. The communication holes 205 are formed to facilitate inserting the flexible pipes 513 into the two chambers, and to convey grouting slurry into the installation channel 40, so that it is difficult to ensure that the threaded rods 506 on both sides of the centering block 203 keep the same horizontal height during actual installation of the grouting member, and the flexible pipes 513 can be used as rubber pipes for communication. The ends of the two threaded rods 506 which are not directly connected with the flexible pipe 513 and are back to each other are respectively in threaded connection with an internal threaded pipe 701, one end of the internal threaded pipe 701, which is far away from the threaded rods 506, sequentially penetrates out of the installation channel 40 and penetrates through the corresponding aluminum die 70, and the outer wall of the internal threaded pipe 701, which penetrates out of the installation channel 40, is sleeved with a rubber nut 702 and is fixedly connected with the aluminum die 70 through the rubber nut 702. The force transmission system formed by the rubber nut 702, the internal threaded pipe 701, the threaded rod 506, the fixing block 505, the sleeve 501, the first vertical rib 202 and the second vertical rib 302 can replace a counter-pulling screw rod in actual construction, the integrity and stability of the aluminum die 70 are improved, the rubber nut 702 can improve the sealing connection performance between the internal threaded pipe 701 and the aluminum die 70, and the air tightness in a cabin is improved.
Referring to fig. 5, a hexagonal screw groove 509 is formed in an end of any one of the threaded rods 506 far away from the corresponding unit arc block 502, and the hexagonal screw groove 509 facilitates an operator to use a torque tool, such as a wrench, to facilitate rotation of the threaded rod 506 for displacement. It is worth noting that all seal the embedding in the hexagonal thread groove 509 that the threaded rod 506 tip that does not communicate with internal thread pipe 701 seted up and inhale the piece, it includes hexagonal magnetic path 511 and seal cover 512 to inhale the piece magnetically, seal cover 512 shutoff slurry guide hole 508, hexagonal magnetic path 511 inlays and locates the seal cover 512 inner wall, and hexagonal magnetic path 511 and threaded rod 506 magnetism inhale admittedly, strengthen the leakproofness of seal cover 512 to slurry guide hole 508 inner wall, be favorable to the grout material in the sleeve 501 to spill over from the clearance between its top inner wall and the two 302 perisporuses of vertical muscle, and promote the grout material overflow in the sleeve 501 to in the flexible pipe 513.
The embodiment of the application also discloses a construction method of the assembled shear wall structure, which comprises the following steps:
s1, manufacturing prefabricated parts in a factory strictly according to design requirements, and transporting the prefabricated parts such as the floor slab 10, the lower shear wall 20, the upper shear wall 30 and the like to a construction site;
s2, after the floor slab 10 and the lower shear wall 20 are hoisted and assembled, the upper shear wall 30 starts to be hoisted;
s3, hanging the upper shear wall 30 to the top of the centering block 203 until the upper shear wall 30 is aligned with the lower shear wall 20;
s4, laying carbon fiber grids 204 between the two sides of the centering block 203 and the bottom of the upper shear wall 30 respectively;
s5, sequentially assembling the mounting assemblies 50, so that the mounting assemblies 50 are respectively and fixedly connected with the corresponding first vertical ribs 202 and the corresponding second vertical ribs 302;
s5-1, in the step S2, the inner wall of the lower part of the sleeve 501 is connected with a first vertical rib 202 in a first avoidance groove 201 in a threaded mode in advance;
s5-2, after the step S3, continuing to raise the sleeve 501 until the matching hole 503 is in a proper position;
s5-3, slidably embedding the unit arc block 502 into the matching hole 503, positioning the guide block 510 in the guide groove 504, welding the fixing block 505 on the outer wall of the sleeve 501 and sealing the matching hole 503, penetrating and screwing the threaded rod 506 into the inner wall of the threaded groove 507, driving the inner wall of the hexagonal threaded groove 509 by using a wrench, and driving the unit arc block 502 to generate radial displacement;
the steps S5-4, S5-2 and S5-3 can be mutually adjusted until the unit arc block 502 is in a proper position, and the sleeve 501 is continuously lifted in a rotating mode until the unit arc block 502 is tightly meshed with the second vertical rib 302;
s5-5, the hexagonal screw grooves 509 at the ends of the two opposite threaded rods 506 at intervals along the length direction of the lower shear wall 20 are respectively connected with a group of hexagonal magnetic blocks 511 and a sealing sleeve 512 in a suction and sealing manner, and the two adjacent threaded rods 506 in different chambers are communicated with each other by penetrating through the communicating holes 205 through flexible pipes 513;
s5-6, two threaded rods 506 which are opposite at intervals in the width direction of the lower shear wall 20 are respectively in threaded connection by using the internal threaded pipes 701;
s5-7, the installation channel 40 is sealed and blocked by the aluminum die 70, and the step S5-6 can be performed after the aluminum die 70 is sealed and fixed by the rubber nut 702;
s5-8, conveying grouting material into the sleeve 501 from the internal threaded pipe 701 in a pressure grouting mode, and forming a concrete layer 60;
and S6, when the concrete layer 60 is formed and the strength reaches a proper value, disassembling the aluminum die 70 and cutting off redundant internal threaded pipes 701, and thus completing construction of the assembled shear wall.
In the step S1, the design criteria of the prefabricated components are strictly controlled, on one hand, to control the manufacturing quality of the prefabricated components, and on the other hand, to control the width and length of the prefabricated components of the shear wall, so as to facilitate positioning and straightening during welting and splicing.
In step S2, the alignment is performed by using the guiding rule to abut against the upper shear wall 30 and the lower shear wall 20 at the same side, and the vertical deviation is within a reasonable range.
In the step S5-1, the first vertical rib 202 is screwed to the lower portion of the sleeve 501 in advance in the step S2, and since the diameter of the inner wall of the upper portion of the sleeve 501 is larger than that of the second vertical rib 302, the second vertical rib 302 is easy to enter the upper portion of the sleeve 501 when the upper shear wall 30 is hoisted to the top of the centering block 203 from top to bottom.
In the step S5-4, the four unit arc blocks 502 are in a state that the inner arc walls of the two sets of unit arc blocks 502 oppositely arranged along the length direction of the lower shear wall 20 at intervals are in threaded connection with the second vertical rib 302, and a gap is formed between the inner arc walls of the two sets of unit arc blocks 502 oppositely arranged along the width direction of the lower shear wall 20 and the second vertical rib 302, so that grouting material can be conveniently input into the sleeve 501.
In the step S5-8, the grouting material sequentially enters the first grout guide hole 508 and the gap between the unit arc block 502 and the second vertical rib 302 through the internal threaded pipe 701, flows into the bottom of the sleeve 501, overflows and rises, and because a gap exists between the inner wall of the upper portion of the sleeve 501 and the second vertical rib 302, the grouting material overflows the top of the sleeve 501 and fills the bin, so that the second vertical rib 302, the inner wall of the sleeve 501 and the first vertical rib 202 are densely filled. Meanwhile, the grouting material in the sleeve 501 overflows to another bin through the flexible pipe 513, and the two groups of internal threaded pipes 701 arranged at intervals in the width direction of the lower shear wall 20 are simultaneously conveyed with the grouting material, so that the two groups of grouting members and the flexible pipe 513 can be fully filled, and the filling of the installation channel 40 is accelerated to be compact.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides an assembled shear wall structure which characterized in that: the shear wall structure comprises a lower shear wall (20) and an upper shear wall (30) arranged at the top of the lower shear wall (20), wherein an installation channel (40) is formed by surrounding the end part of the lower shear wall (20) connected with the upper shear wall (30), a first avoidance groove (201) communicated with the installation channel (40) is formed in the side wall of the top of the lower shear wall (20), a first vertical rib (202) penetrates through the lower shear wall (20), and the first vertical rib (202) extends into the first avoidance groove (201); the side wall of the bottom of the upper shear wall (30) is provided with a avoidance groove II (301) corresponding to the avoidance groove I (201), the top of the upper shear wall (30) is provided with a vertical rib II (302), the vertical rib II (302) extends into the avoidance groove II (301) and is aligned to the vertical rib I (202), and the top end of the vertical rib I (202) is provided with a mounting assembly (50) and is fixedly connected with the vertical rib II (302) through the mounting assembly (50); concrete layers (60) are formed in the installation channels (40) in a pouring mode, and the vertical ribs I (202), the vertical ribs II (302) and the installation assemblies (50) are all embedded in the concrete layers (60).
2. A fabricated shear wall structure according to claim 1, wherein: installation component (50) include lower part and vertical muscle one (202) threaded connection's sleeve (501) and at least two sets of circumference interval arrangement's unit arc piece (502), sleeve (501) upper portion internal diameter is greater than the internal diameter of vertical muscle two (302), sleeve (501) correspond each unit arc piece (502) and all radially run through and seted up mating holes (503), unit arc piece (502) sliding connection is in mating holes (503) inner wall, and unit arc piece (502) threaded connection is in vertical muscle two (302).
3. A fabricated shear wall structure according to claim 2, wherein: the inner top wall and the inner bottom of the matching hole (503) are respectively and radially penetrated and provided with guide grooves (504), the corresponding unit arc block (502) corresponds to the two groups of guide grooves (504) and is respectively and fixedly connected with guide blocks (510), and the two groups of guide blocks (510) are respectively embedded in the corresponding guide grooves (504) in a sliding manner.
4. A fabricated shear wall structure according to claim 3, wherein: the mounting assembly (50) further comprises a fixing block (505) and a threaded rod (506), the fixing block (505) is aligned with the matching hole (503) and connected to the outer wall of the sleeve (501) in a welding mode, a threaded groove (507) is formed in the outer arc wall of the unit arc block (502) in the radial direction, and the threaded rod (506) penetrates through the fixing block (505) and then is connected to the inner wall of the threaded groove (507) in a threaded mode.
5. A fabricated shear wall structure according to claim 4, wherein: the threaded rod (506) penetrates through a pulp guide hole (508), and the pulp guide hole (508) penetrates through the unit arc block (502) and is communicated with the interior of the sleeve (501).
6. A fabricated shear wall structure according to claim 5, wherein: one slurry guide hole (508) is a channel for conveying grouting materials to the interior of the sleeve (501), and the other adjacent slurry guide hole (508) is in a sealed state; and one end of the threaded rod (506) far away from the unit arc block (502) is provided with a hexagonal screw groove (509) communicated with the slurry guide hole (508), and a magnetic part is embedded in the hexagonal screw groove (509) in a sealing manner.
7. A fabricated shear wall structure according to claim 1, wherein: the top of the lower shear wall (20) is provided with a centering block (203), and one end, far away from the lower shear wall (20), of the centering block (203) is connected with the upper shear wall (30).
8. A fabricated shear wall structure according to claim 7, wherein: and carbon fiber grids (204) are laid between the centering block (203) and the adjacent side walls of the upper shear wall (30).
9. A fabricated shear wall structure according to claim 8, wherein: the centering block (203) is provided with communicating holes (205) corresponding to two groups of grouting parts arranged along the width direction of the lower shear wall (20), flexible pipes (513) penetrate through the communicating holes (205), and two ends of each flexible pipe (513) are respectively sleeved with threaded rods (506) communicated with two sides of the centering block (203).
10. A method of constructing a fabricated shear wall structure according to any one of claims 1 to 9, wherein: the method comprises the following steps:
s1, producing a lower shear wall (20) and an upper shear wall (30) according to the design standard of the prefabricated part strictly, and hoisting the upper shear wall (30) to the upper part of the lower shear wall (20);
s2, aligning the upper shear wall (30) and the lower shear wall (20) preliminarily through directly observing the avoidance groove I (201) and the avoidance groove II (301), and aligning the vertical rib I (202) in the avoidance groove I (201) and the vertical rib II (302) in the avoidance groove II (301);
s3, fixedly connecting the first vertical rib (202) and the second vertical rib (302) by the mounting assembly (50);
and S4, pouring grouting materials in the installation channel (40) and forming a concrete layer (60).
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| CN114753517B (en) | 2024-03-26 |
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