CN114753517B - Assembled shear wall and construction method thereof - Google Patents
Assembled shear wall and construction method thereof Download PDFInfo
- Publication number
- CN114753517B CN114753517B CN202210396104.3A CN202210396104A CN114753517B CN 114753517 B CN114753517 B CN 114753517B CN 202210396104 A CN202210396104 A CN 202210396104A CN 114753517 B CN114753517 B CN 114753517B
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- shear wall
- vertical rib
- wall
- sleeve
- avoidance groove
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- 238000010276 construction Methods 0.000 title abstract description 10
- 238000009434 installation Methods 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 25
- 239000002002 slurry Substances 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 16
- 230000000149 penetrating effect Effects 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 9
- 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
- 230000008901 benefit Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 abstract description 3
- 210000003205 muscle Anatomy 0.000 description 22
- 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 6
- 230000002093 peripheral effect Effects 0.000 description 5
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000011440 grout Substances 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
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009435 building construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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, comprising a lower shear wall and an upper shear wall, wherein an installation channel is formed around the end part of the lower shear wall connected with the upper shear wall, an avoidance groove I communicated with the installation channel is formed on the side wall of the top of the lower shear wall, a vertical rib I is penetrated through the lower shear wall, and the vertical rib I extends into the avoidance groove I; the side wall of the bottom of the upper shear wall is provided with a second avoidance groove, the top of the upper shear wall is provided with a second vertical rib, the second vertical rib extends into the second avoidance groove, and the top end of the first vertical rib is provided with a mounting assembly fixedly connected with the second vertical rib; a concrete layer is poured in the mounting channel; compared with the prior art, the method and the device have the advantages that the circumferential sides of the upper shear wall and the lower shear wall are directly observed, and the alignment condition of the avoidance groove I and the avoidance groove II is directly observed, so that the mirror is not required to be used for alignment installation. The application has the effect of shear force wall simple to operate and improvement assembly efficiency.
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 assembled building is a building which is formed by transferring a large amount of field operation work in a traditional building mode to a factory, processing and manufacturing building components and accessories in the factory, such as floors, wallboards, stairs, balconies and the like, transporting the building components and accessories to a building construction site and assembling and installing the building components and accessories on the site in 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 an operator assists the shear wall to drop to a proper position, observing the gap between the mirror placement shear wall and the floor slab, and whether the vertical ribs reserved on the floor slab and the vertical ribs reserved on the shear wall are aligned;
step three, temporarily reinforcing the shear wall, and using grouting sleeves to respectively install and connect vertical ribs reserved on the floor slab and vertical ribs reserved on the shear wall;
and step four, plugging gaps between the shear wall and the floor slab and forming a plugging layer, wherein the plugging layer, a bin arranged in the bottom of the shear wall and the sleeve are communicated with each other, grouting material is conveyed into the sleeve by grouting, and after grouting is finished, the strength of the grouting material is stable, so that the assembly of the shear wall is completed.
In the above related art, an operator needs to align the reinforcing bars using a mirror while assisting the drop of the shear wall, or needs to observe the alignment reinforcing bars by a knockout person and observe in a limited space between the shear wall and the floor slab, which is very inconvenient and has low assembly efficiency.
In view of the above-described problems, improvements are needed.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides an assembled shear wall structure and a construction method thereof, wherein the assembled shear wall structure is simple in structure, convenient to construct, safe and effective, convenient to install a shear wall and capable of improving assembly efficiency.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the 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 around the end part of the lower shear wall connected with the upper shear wall, a first avoidance groove communicated with the installation channel is formed in the side wall of the top of the lower shear wall, a first vertical rib is penetrated through the lower shear wall, and the first vertical rib extends into the first avoidance groove; the side wall of the bottom of the upper shear wall is provided with a second avoidance groove corresponding to the first avoidance groove, the top of the upper shear wall is provided with a second vertical rib, the second vertical rib extends into the second avoidance groove and is aligned with the first vertical rib, and the top end of the first vertical rib is provided with a mounting assembly and is fixedly connected with the second vertical rib through the mounting assembly; and a concrete layer is cast in the mounting channel, and the first vertical rib, the second vertical rib and the mounting assembly are all embedded in the concrete layer.
Through 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 lifted to hover above the upper shear wall, the circumferential side of the lower shear wall is aligned, the first avoidance groove and the second avoidance groove 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 first vertical rib positioned in the first avoidance groove and the second vertical rib positioned in the second avoidance groove are fixedly connected through the mounting component, grouting materials are conveyed in the mounting channel, a concrete layer is formed, and finally the assembly and the mounting of the shear wall are completed;
through directly observing the upper shear wall and lower shear wall week side to and directly observe and dodge the alignment condition of groove one and dodge groove two, compare in the correlation technique, this scheme need not to use the mirror to aim at the installation, consequently this scheme has shear wall simple to operate and improves assembly efficiency's advantage.
As a preferable scheme of the invention, the mounting assembly comprises a sleeve with the lower part in threaded connection with the first vertical rib and at least two groups of unit arc blocks which 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 penetrated with a matching hole corresponding to each unit arc block, the unit arc blocks are slidably connected with 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 rotation and threaded connection vertical muscle one, back from bottom to top rotation for sleeve top position rises to suitable position, because the internal diameter of sleeve upper portion is greater than the internal diameter of vertical muscle two, so can allow the axial deviation that two vertical muscle two relative to have a certain limit, and because the internal diameter of sleeve upper portion is greater than the internal diameter of vertical muscle two, so there is the clearance between sleeve top and the vertical muscle two, when radial slip unit arc piece was to suitable position, the continuous spiral lift sleeve, then can make vertical muscle two and unit arc piece threaded connection, and finally realize fixed connection vertical muscle one and vertical muscle two.
As a preferable scheme of the invention, the top wall and the inner bottom in the matching hole are respectively and radially provided with the guide grooves in a penetrating way, the corresponding unit arc blocks are respectively and fixedly connected with the guide blocks corresponding to the two groups of guide grooves, and the two groups of guide blocks are respectively and slidably embedded in the corresponding guide grooves.
Through adopting above-mentioned technical scheme, because the direction of seting up of guide way is radial run through, so the guide block can radial displacement to make the unit arc piece radially be close to or radially keep away from vertical muscle two, lift the sleeve soon when the unit arc piece is in suitable position, can make sleeve threaded connection relative vertical muscle one and vertical muscle two from top to bottom, and make the sleeve realize adapting to relative vertical muscle one axial offset's vertical muscle two in certain limit.
As a preferable scheme of the invention, the mounting assembly further comprises a fixed block and a threaded rod, wherein the fixed block is aligned with the matching hole and welded to the outer wall of the sleeve, the outer arc wall of the unit arc block is radially provided with a thread groove, and the threaded rod passes through the fixed block and is connected to the inner wall of the thread groove in a threaded manner.
Through adopting above-mentioned technical scheme, after unit arc piece sliding connection cooperation hole inner wall, with fixed block welding at the sleeve outer wall to use threaded rod to pass behind the fixed block threaded connection thread groove inner wall, continue the rotation threaded rod and make unit arc piece take place radial displacement, then realize that unit arc piece adaptation has axial deviation's vertical muscle two relatively vertical muscle one, carry out displacement restriction to unit arc piece because of the cooperation of threaded rod and thread groove simultaneously, improve unit arc piece and two interlock stability 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 inside of the sleeve.
Through adopting above-mentioned technical scheme, from leading thick liquid hole to carrying grouting material in the sleeve, grouting material fills to the sleeve bottom because of the dead weight, and because of there is certain clearance between vertical muscle two and the sleeve upper portion inner wall, so grouting material can overflow out the sleeve top, and then continue to fill the installation passageway to finally make the vertical muscle of shear force wall produce good continuity bond-strength, and the upper and lower shear force wall of stable connection.
As a preferable scheme of the invention, one slurry guide hole is a channel for conveying grouting material into the sleeve, and the other adjacent slurry guide hole is in a sealing state; the other threaded rod is provided with a hexagonal screw groove communicated with the slurry guide hole at one end far away from the unit arc block, and a magnetic attraction piece is embedded in the hexagonal screw groove in a sealing manner.
Through adopting above-mentioned technical scheme, utilize torsion instrument such as spanner, make things convenient for the rotation hexagonal helicoidal groove, and then realize threaded rod drive unit arc piece radial displacement, make things convenient for unit arc piece and two threaded connection of vertical muscle, at the in-process to its one guide pulp hole grouting material slip casting, shutoff another adjacent guide pulp hole, then make things convenient for grouting material to fill closely knit sleeve, improve the connectivity between grouting material, vertical muscle one, vertical muscle two and the sleeve inner wall, unnecessary grouting material overflows from the clearance between sleeve top inner wall and the vertical muscle two.
As a preferable 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.
By adopting the technical scheme, the centering block is arranged at the top of the lower shear wall, so that the space of the installation channel is enlarged while the supporting point of the upper shear wall is provided, and the first vertical rib, the second vertical rib and the installation assembly are convenient to assemble.
As a preferable scheme of the invention, carbon fiber grids are laid between the centering blocks and the adjacent side walls of the upper shear wall.
By adopting the technical scheme, the carbon fiber grid has the advantages of good durability, capability of improving the connection performance, anchoring performance, durability and the like among the lower shear wall, the upper shear wall and the concrete layer.
As a preferable scheme of the invention, the centering blocks are correspondingly provided with the communication holes along the two groups of grouting members arranged in the width direction of the lower shear wall, flexible pipes are arranged in the communication holes in a penetrating mode, and two ends of each flexible pipe are respectively sleeved with threaded rods communicated with two sides of the centering blocks.
Through adopting above-mentioned technical scheme, the seting up of intercommunicating pore is on the one hand convenient to alternate the flexible pipe in two bins, and on the other hand is then carrying grouting slurry to the installation passageway in, and the grout spare is in the actual installation in-process, is difficult to guarantee that the threaded rod that is located the centering piece both sides keeps same level, so uses the flexible pipe to communicate each other, and flexible pipe optional rubber tube.
The construction method of the 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 a prefabricated component, and hoisting the upper shear wall above the lower shear wall;
s2, through directly observing 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 are aligned with the upper shear wall and the lower shear wall preliminarily;
s3, utilizing the mounting assembly to fixedly connect the first vertical rib and the second vertical rib respectively;
s4, pouring grouting material in the mounting channel and forming a concrete layer.
Through adopting above-mentioned technical scheme, because prefabricated component is strict standard part, and dodges the groove one and dodge the seting up of groove two and all be at the lateral wall of shear force wall, so can directly observe the alignment condition of shear force wall and lower shear force wall, need not to use the mirror to assist for installation effectiveness.
The beneficial effects of the invention are as follows:
1. compared with the prior art, the scheme does not need to use a mirror for alignment installation by directly observing the peripheral sides of the upper shear wall and the lower shear wall and directly observing the alignment condition of the avoidance groove I and the avoidance groove II, so that the scheme has the advantages of convenience in installation of the shear wall and improvement in assembly efficiency;
2. the sleeve is in threaded connection with the first vertical rib, the sleeve is continuously screwed up to a proper position, and the inner diameter of the sleeve is larger than that of the first vertical rib, so that axial deviation in a certain range exists between the two vertical ribs, when the unit arc block is radially slid to a proper position, the sleeve is continuously screwed up, the second vertical rib is in threaded connection with the unit arc block, and finally the first vertical rib and the second vertical rib are fixedly connected;
3. the threaded rod penetrates through the inner wall of the threaded groove of the fixed block and then is connected with the threaded groove in a threaded mode, and the threaded rod is continuously rotated to enable the unit arc block to radially displace, so that the unit arc block is adapted to a second vertical rib with axial deviation relative to the first vertical rib.
Drawings
FIG. 1 is a schematic view of the overall structure of the shear wall according to the embodiment of the present invention after assembly;
FIG. 2 is a schematic view showing the 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 grouting structure according to the embodiment of the invention;
FIG. 4 is an enlarged schematic view of the structure shown at A in FIG. 3;
fig. 5 is a schematic view showing a partial structure of a grouting member according to an embodiment of the present invention.
Reference numerals in the drawings: 10. A floor slab; 20. a lower shear wall; 201. avoidance groove I; 202. a first vertical rib; 203. centering blocks; 204. a carbon fiber mesh; 205. a communication hole; 30. an upper shear wall; 301. avoidance groove II; 302. a second vertical rib; 40. a mounting channel; 50. a mounting assembly; 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. a slurry guiding hole; 509. hexagonal screw grooves; 510. a guide block; 511. hexagonal magnetic blocks; 512. sealing sleeve; 513. a flexible tube; 60. a concrete layer; 70. an aluminum die; 701. an internally threaded tube; 702. and (3) a rubber nut.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples: the embodiment of the application discloses assembled shear wall structure, refer to fig. 1, 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 is that lower shear wall 20 and prefabricated floor 10 are at mill prefabricated in-process integrated into one piece. The upper shear wall 30 is located right above the lower shear wall 20, a mounting channel 40 is formed between the lower shear wall 20 and the opposite side of the upper shear wall 30, a mounting channel 40 is formed between the lower shear wall 20 and the upper shear wall 30, an aluminum mould 70 is combined on the periphery side of the lower shear wall 20 and the periphery side of the upper shear wall 30, the aluminum mould 70 seals the mounting channel 40, the mounting channel 40 forms a relatively airtight cavity, and a concrete layer 60 is cast and molded in the mounting channel 40 by grouting materials. The concrete layer 60 is fixedly connected to the lower and upper shear walls 20 and 30, respectively, and the mounting assembly 50 is fixedly connected to the lower and upper shear walls 20 and 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 under the action of the mounting assembly 50. When the lower shear wall 20 and the upper shear wall 30 are prefabricated in a factory, manufacturing and processing are strictly performed 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, opposite side walls at the top of the lower shear wall 20 along the length direction of the lower shear wall are respectively provided with a plurality of avoidance grooves 201 which are arranged at intervals, the lower shear wall 20 is provided with a plurality of vertical ribs 202 according to design specifications, the avoidance grooves 201 are in one-to-one correspondence with the vertical ribs 202, and the bottoms 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, an avoidance groove two 301 is formed, the upper shear wall 30 is provided with a plurality of vertical ribs two 302 according to design specifications, the vertical ribs two 302 correspond to the avoidance grooves two 301 one by one, the tops of the vertical ribs two 302 extend into the avoidance groove two 301, and therefore the avoidance groove two 301 has an accommodation protection effect on the vertical ribs two 302. An operator can observe the alignment condition of the avoidance groove I201 and the avoidance groove II 301 and preliminarily judge whether the vertical rib I202 and the vertical rib II 302 are aligned.
The centering block 203 is fixedly connected to the middle of the top of the lower shear wall 20 along the length direction thereof, one end of the centering block 203, which is far away from the lower shear wall 20, is T-shaped, and the T-shape is helpful to increase 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 placed at the top of the centering block 203 far away from the lower shear wall 20, and one side of the periphery Xiang Ren of the upper shear wall 30 is positioned in the same vertical plane with the corresponding side of the lower shear wall 20, so that the high-precision installation of the shear wall is realized. Carbon fiber grids 204 are respectively paved between the two sides of the centering blocks 203 along the length direction of the lower shear wall 20 and the bottom of the upper shear wall 30, and the carbon fiber grids 204 have good durability, so that the advantages of 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 caused by the assembly of prefabricated components can be further overcome.
A set of mounting assemblies 50 are disposed along the width of the lower or upper shear wall 20, 30, and the mounting assemblies 50 include two sets of grout members each disposed in the mounting channel 40, the two sets of grout members being disposed on either side of the centering blocks 203. Any grouting piece is respectively provided with and connected with the first vertical rib 202 and the second vertical rib 302 which are opposite in the upper and lower axial directions, so that the primary installation of the lower shear wall 20 and the upper shear wall 30 is realized.
Referring to fig. 4 and 5, the grouting member comprises a sleeve 501, a unit arc block 502 and a fixed block 505, wherein the end part of the second vertical rib 302, which is positioned at the avoiding groove 301, is positioned in the sleeve 501, and the diameter of the inner wall of the upper part of the sleeve 501 is larger than that of the second vertical rib 302, so that a gap exists between the inner wall of the upper part of the sleeve 501 and the peripheral wall of the second vertical rib 302, and the vertical rib 302 can conveniently enter the sleeve 501 within a certain range and the grouting material in the sleeve 501 can overflow. Meanwhile, the inner wall of the lower part of the sleeve 501 is in threaded connection with the first vertical rib 202, and the sleeve 501 can be displaced and lifted along the axial direction of the first vertical rib 202 by rotating.
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 with the second vertical ribs 302 in a circumferential threaded mode, and the arrangement of the four groups of unit arc blocks 502 improves the engagement capacity between the unit arc blocks 502 and the second vertical ribs 302 and improves the connection performance among the first vertical ribs 202, the second vertical ribs 302 and the sleeve 501. Four groups of fan-shaped matching holes 503 are formed in the upper peripheral wall 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 groups of unit arc blocks 502, which are opposite to the vertical ribs 202, are respectively and slidably embedded in the matching holes 503, and the minimum arc length of the matching holes 503 is larger 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 fitting 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 fitting hole 503 and the unit arc block 502, where the gap is filled with the grouting material overflowed in the sleeve 501.
Guide grooves 504 are respectively and radially penetrated through the inner top wall and the inner bottom wall of any matching hole 503, guide blocks 510 are respectively and fixedly connected with the corresponding unit arc blocks 502 corresponding to the two groups of guide grooves 504, and the two groups of guide blocks 510 are respectively and slidably embedded in the corresponding guide grooves 504. The radial direction refers to the radial direction of the first vertical rib 202, and since the opening direction of the guide groove 504 is radially penetrating, the guide block 510 can radially displace, and the unit arc block 502 is radially close to or radially far away from the second vertical rib 302, when the unit arc block 502 is at a proper position, the sleeve 501 is screwed up, so that the sleeve 501 is in threaded connection with the first vertical rib 202 and the second vertical rib 302 which are vertically opposite, and the sleeve 501 is enabled to realize the second vertical rib 302 which is adapted to the axial offset relative to the first vertical rib 202 in a certain range.
The fixing blocks 505 are provided with four groups corresponding to the four groups of matching holes 503, any fixing block 505 is welded and connected to the outer peripheral wall of the sleeve 501, and any fixing block 505 seals the corresponding matching hole 503; the outer arc wall of any unit arc block 502 is provided with thread grooves 507 from outside to inside, each thread groove 507 is internally and respectively connected with a threaded rod 506 in a threaded manner, and one end of each threaded rod 506 penetrating out of the thread groove 507 rotates to penetrate through the fixing block 505. The threaded rod 506 is rotated, the threaded rod 506 axially abuts against the inner bottom wall of the threaded groove 507, the threaded rod 506 is continuously rotated, the unit arc blocks 502 are axially displaced under the cooperation of the guide grooves 504 and the guide blocks 510, and the distance relation between the unit arc blocks 502 and the second vertical ribs 302 is conveniently controlled.
With continued reference to fig. 3 and 4, each threaded rod 506 is provided with a slurry guiding hole 508, and the slurry guiding holes 508 penetrate through the corresponding unit arc blocks 502 along the axial direction of the threaded rod 506. The 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 enclosing 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 limit the second vertical rib 302 axially and relatively engage the second vertical rib 302, and the grouting piece and the second vertical rib 302 are fixedly connected.
The centering block 203 separates the mounting channel 40 into two chambers along the length direction of the lower shear wall 20, the centering block 203 is correspondingly provided with a communication hole 205 along two groups of grouting members arranged along the width direction of the lower shear wall 20, a flexible pipe 513 is arranged in the communication hole 205 in a penetrating manner, two ends of the flexible pipe 513 are respectively sleeved with threaded rods 506 which are communicated with two sides of the centering block 203, and the two chambers are communicated. The communication holes 205 are formed to facilitate the insertion of the flexible tubes 513 into the two chambers, and to convey grouting slurry into the mounting channels 40, so that it is difficult to ensure that the threaded rods 506 positioned at both sides of the centering block 203 maintain the same level in the actual mounting process of the grouting member, so that the flexible tubes 513 are communicated with each other, and the flexible tubes 513 can be rubber tubes. The opposite ends of the two threaded rods 506 which are not directly connected with the flexible tube 513 are respectively in threaded connection with an internal threaded tube 701, one end of the internal threaded tube 701, which is far away from the threaded rods 506, sequentially penetrates out of the mounting channel 40 and the corresponding aluminum die 70, and a rubber nut 702 is sleeved on the outer wall of the internal threaded tube 701 penetrating out of the mounting channel 40 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 thread pipe 701, the threaded rod 506, the fixed block 505, the sleeve 501, the first vertical rib 202 and the second vertical rib 302 can replace a split screw in actual construction, the integrity and stability of the aluminum die 70 are improved, and the rubber nut 702 can improve the sealing connection performance between the internal thread pipe 701 and the aluminum die 70 and improve the air tightness in a cabin.
Referring to fig. 5, the end of any threaded rod 506 far from the corresponding unit arc block 502 is provided with a hexagonal groove 509, and the hexagonal groove 509 facilitates the operator to use a torque tool, such as a wrench, to realize the displacement of the threaded rod 506 by rotating conveniently. It is noted that, the hexagonal screw grooves 509 formed at the end of the threaded rod 506 not communicated with the internal threaded tube 701 are respectively embedded with a magnetic attraction piece in a sealing manner, the magnetic attraction pieces comprise hexagonal magnetic blocks 511 and sealing sleeves 512, the sealing sleeves 512 are used for sealing the slurry guiding holes 508, the hexagonal magnetic blocks 511 are embedded into the inner walls of the sealing sleeves 512, the hexagonal magnetic blocks 511 are magnetically attracted and fixed with the threaded rod 506, the sealing performance of the sealing sleeves 512 on the inner walls of the slurry guiding holes 508 is enhanced, and grouting materials in the sleeve 501 are facilitated to overflow from gaps between the top inner walls of the sleeve 501 and the peripheral walls of the vertical ribs 302 and are promoted to overflow into the flexible tubes 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 assembled in a hoisting manner, hoisting the upper shear wall 30 is started;
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, paving 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 fixedly connected with the corresponding first vertical rib 202 and the corresponding second vertical rib 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 positioned in a first avoidance groove 201 in a threaded manner in advance;
s5-2, after the step S3, continuing to lift the sleeve 501 until the matching hole 503 is positioned at a proper position;
s5-3, sliding and embedding the unit arc block 502 into the matching hole 503, positioning the guide block 510 in the guide groove 504, welding the fixed block 505 on the outer wall of the sleeve 501 and sealing the matching hole 503, threading the threaded rod 506 into the inner wall of the threaded groove 507, driving the inner wall of the hexagonal groove 509 by using a wrench, and driving the unit arc block 502 to radially displace;
s5-4, S5-2 and S5-3 can be mutually adjusted until the unit arc block 502 is at a proper position, and the sleeve 501 is continuously lifted until the unit arc block 502 is tightly meshed with the vertical rib II 302;
s5-5, hexagonal screw grooves 509 at the end parts of two threaded rods 506 which are opposite to each other at intervals along the length direction of the lower shear wall 20 are respectively connected in a suction-fixing sealing way by using a group of hexagonal magnetic blocks 511 and sealing sleeves 512, and two adjacent threaded rods 506 positioned in different chambers are communicated by penetrating communication holes 205 through flexible pipes 513;
s5-6, two threaded rods 506 which are opposite to each other at intervals along the width direction of the lower shear wall 20 are respectively in threaded connection by using an internal threaded pipe 701;
s5-7, the installation channel 40 is blocked by the aluminum die 70, and the S5-6 steps can be carried out after the aluminum die 70 is blocked and sealed and fixed by using a rubber nut 702;
s5-8, conveying grouting material from the internal thread pipe 701 into the sleeve 501 by adopting a pressure grouting mode, and forming a concrete layer 60;
and S6, when the concrete layer 60 is molded and the strength is proper, the aluminum mould 70 is disassembled to cut off the redundant internal thread pipe 701, and then the construction of the assembled shear wall is completed.
In the S1 step, the design standard of the prefabricated component is strictly controlled, on one hand, the manufacturing quality of the prefabricated component is controlled, and on the other hand, the width and the length of the prefabricated component of the shear wall are controlled, so that positioning and alignment are conveniently realized during welting and splicing.
In step S2, the standard of alignment is that a guiding rule is used to abut against the same side of the upper shear wall 30 and the lower shear wall 20, and the vertical deviation is within a reasonable range.
In step S5-1, the lower portion of the sleeve 501 is screwed with the first vertical rib 202 in advance in step S2, and the second vertical rib 302 easily enters the upper portion of the sleeve 501 when the upper shear wall 30 is lifted to the top of the centering block 203 from top to bottom because the diameter of the inner wall of the upper portion of the sleeve 501 is larger than that of the second vertical rib 302.
In step S5-4, the state of the four unit arc blocks 502 is that the inner arc walls of two groups of unit arc blocks 502 arranged at intervals along the length direction of the lower shear wall 20 are connected to the second vertical rib 302 in a threaded manner, and gaps exist between the inner arc walls of two groups of unit arc blocks 502 arranged at intervals along the width direction of the lower shear wall 20 and the second vertical rib 302, so that grouting material is conveniently input into the sleeve 501.
In step S5-8, the grouting material sequentially enters the first slurry guiding hole 508 and the gap between the unit arc block 502 and the second vertical rib 302 through the internal thread pipe 701, flows into the overflow rising of the inner bottom of the sleeve 501, and flows out of the top of the sleeve 501 and fills the bin due to the gap between the inner wall of the upper part of the sleeve 501 and the second vertical rib 302, so that the dense filling of the second vertical rib 302, the inner wall of the sleeve 501 and the first vertical rib 202 is realized. Meanwhile, grouting material in the sleeve 501 overflows to another bin through the flexible pipe 513, and simultaneously conveys the grouting material to two groups of internally threaded pipes 701 arranged at intervals along the width direction of the lower shear wall 20, so that the grouting material is beneficial to fully filling and compacting the two groups of grouting materials and the flexible pipe 513, and the filling and compacting of the installation channel 40 are accelerated.
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 (6)
1. An assembled shear wall structure, its characterized in that: the novel shear wall 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, connected with the upper shear wall (30), of the lower shear wall (20), an avoidance groove I (201) communicated with the installation channel (40) is formed in the side wall of the top of the lower shear wall (20), a vertical rib I (202) is penetrated into the lower shear wall (20), and the vertical rib I (202) extends into the avoidance groove I (201); an avoidance groove II (301) is formed in the side wall of the bottom of the upper shear wall (30) corresponding to the avoidance groove I (201), a vertical rib II (302) is arranged at the top of the upper shear wall (30), the vertical rib II (302) extends into the avoidance groove II (301) and is aligned with the vertical rib I (202), and an installation assembly (50) is arranged at the top end of the vertical rib I (202) and is fixedly connected with the vertical rib II (302) through the installation assembly (50); a concrete layer (60) is poured in the mounting channel (40), and the first vertical rib (202), the second vertical rib (302) and the mounting assembly (50) are all embedded in the concrete layer (60); the mounting assembly (50) comprises a sleeve (501) with the lower part in threaded connection with the first vertical rib (202) and at least two groups of unit arc blocks (502) which are circumferentially arranged at intervals, wherein the inner diameter of the upper part of the sleeve (501) is larger than that of the second vertical rib (302), each unit arc block (502) corresponding to the sleeve (501) radially penetrates through a matching hole (503), the unit arc blocks (502) are in sliding connection with the inner wall of the matching hole (503), and the unit arc blocks (502) are in threaded connection with the second vertical rib (302); guide grooves (504) are respectively and radially formed in the inner top wall and the inner bottom wall of the matching hole (503) in a penetrating mode, guide blocks (510) are respectively and fixedly connected with the corresponding two groups of guide grooves (504) of the corresponding unit arc blocks (502), and the two groups of guide blocks (510) are respectively and slidably embedded in the corresponding guide grooves (504); the mounting assembly (50) further comprises a fixed block (505) and a threaded rod (506), the fixed block (505) is welded to the outer wall of the sleeve (501) in alignment with the matching hole (503), a thread 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 fixed block (505) and is connected to the inner wall of the thread groove (507) in a threaded manner; the threaded rod (506) penetrates through the slurry guide hole (508), and the slurry guide hole (508) penetrates through the unit arc block (502) and is communicated with the inside of the sleeve (501).
2. The fabricated shear wall structure of claim 1, wherein: one of the slurry guide holes (508) is a channel for conveying grouting material into the sleeve (501), and the other adjacent slurry guide hole (508) is in a sealing state; the other threaded rod (506) is far away from one end of the unit arc block (502) and is provided with a hexagonal screw groove (509) communicated with the slurry guide hole (508), and a magnetic attraction piece is embedded in the hexagonal screw groove (509) in a sealing manner.
3. The fabricated shear wall structure of claim 1, wherein: and a centering block (203) is arranged at the top of the lower shear wall (20), and one end, far away from the lower shear wall (20), of the centering block (203) is connected with the upper shear wall (30).
4. A fabricated shear wall structure according to claim 3, wherein: carbon fiber grids (204) are laid between the centering blocks (203) and the adjacent side walls of the upper shear wall (30).
5. The fabricated shear wall structure of claim 4, wherein: the centering block (203) is correspondingly provided with a communication hole (205) along two groups of grouting members arranged in the width direction of the lower shear wall (20), a flexible pipe (513) is arranged in the communication hole (205) in a penetrating mode, and two ends of the flexible pipe (513) are respectively sleeved with threaded rods (506) which are communicated with two sides of the centering block (203).
6. A method of constructing a fabricated shear wall structure as claimed in any one of claims 1 to 5, wherein: the method comprises the following steps:
s1, producing a lower shear wall (20) and an upper shear wall (30) strictly according to the design standard of prefabricated components, and hoisting the upper shear wall (30) above the lower shear wall (20);
s2, through directly observing the avoidance groove I (201) and the avoidance groove II (301), the vertical rib I (202) in the avoidance groove I (201) and the vertical rib II (302) in the avoidance groove II (301) are aligned with the upper shear wall (30) and the lower shear wall (20) preliminarily;
s3, utilizing the installation assembly (50) to fixedly connect the first vertical rib (202) and the second vertical rib (302) respectively;
s4, pouring grouting material in the mounting channel (40) and forming a concrete layer (60).
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| CN115142609B (en) * | 2022-08-10 | 2023-09-26 | 河北工业大学 | Assembled sandwich heat-preserving wall structure and construction method |
| CN118048990B (en) * | 2024-04-16 | 2024-07-02 | 中铁四局集团有限公司 | Non-bearing prefabricated shear wall connection structure and construction method |
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