CN112726866A - Upper and lower connecting structure of assembly type shear wall building and construction process thereof - Google Patents
Upper and lower connecting structure of assembly type shear wall building and construction process thereof Download PDFInfo
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- CN112726866A CN112726866A CN202011542144.1A CN202011542144A CN112726866A CN 112726866 A CN112726866 A CN 112726866A CN 202011542144 A CN202011542144 A CN 202011542144A CN 112726866 A CN112726866 A CN 112726866A
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- shear wall
- upper shear
- connecting plate
- wall
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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
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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
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
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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
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
- E04B1/6104—Connections for building structures in general of slab-shaped building elements with each other the overlapping ends of the slabs connected together
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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
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
- E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
- E04B5/38—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element
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- 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
Abstract
The application relates to an upper and lower connecting structure of an assembly type shear wall building and a construction process thereof, which relate to the field of the connecting technology of the assembly type shear wall building, wherein the upper and lower connecting structure comprises an upper shear wall, a lower shear wall, a cast-in-place layer, a plurality of gaskets and a heightening adjusting mechanism, the upper shear wall is arranged above the lower shear wall, and the gaskets are arranged between the upper shear wall and the lower shear wall and form a grouting layer; the cast-in-place layers are positioned on two sides of the joint of the upper shear wall and the lower shear wall. Bed hedgehopping guiding mechanism passes through adjusting part and is connected with last shear wall including bed hedgehopping subassembly and adjusting part, bed hedgehopping subassembly, and the vertical connecting plate and the transverse connection board of perpendicular connection are installed to the gasket between last shear wall bottom and transverse connection board, transverse connection board and shear wall's top butt down. This application has the gasket height homogeneous that is convenient for remain grout blanket department throughout to keep the straightness that hangs down of shear force wall, and then be convenient for promote the effect of assembled building's the whole installation accuracy.
Description
Technical Field
The application relates to the field of assembly type building connection technology, in particular to an upper and lower connection structure of an assembly type shear wall building and a construction process of the upper and lower connection structure.
Background
The existing assembled shear wall structure building is a structural form which is mainly developed in the countries in recent years. The building constructed in the form of the assembled shear wall structure has the advantages of high building quality, high construction speed, material saving, manpower resource saving and the like, and is an important component of the industrial process of the residences in China. The key technology of the structure is the connection between the prefabricated shear wall panels, in particular the vertical connection of the prefabricated shear wall panels.
Referring to fig. 1, the upper and lower connecting structure of the fabricated shear wall building comprises an upper shear wall 1, a mounting sleeve 12 at the bottom of the upper shear wall 1, a building surface layer 9, a grouting layer 31, a lateral plugging material 91, a floor cast-in-place layer 3, a prefabricated floor 92, a lower shear wall 2 and vertical steel bars 21 at the top of the lower shear wall 2. Firstly, the lower shear wall 2 and the prefabricated floor slab 92 are installed, and then the floor slab cast-in-situ layer 3 is poured. Then the upper shear wall 1 is fixed on a floor cast-in-place layer 3, and the vertical steel bars 21 at the top of the lower shear wall 2 are inserted into the mounting sleeve 12 at the bottom of the upper shear wall 1. A gap, namely a grouting layer 31, is reserved between the upper shear wall 1 and the floor cast-in-place layer 3. Generally, the gap between the upper shear wall 1 and the lower shear wall 2 is formed by raising a plurality of spacers 32. When the up-down connection construction is carried out, the lateral plugging material 91 is firstly used for plugging the opening of the grouting layer 31, and then high-strength grouting material is injected into the mounting sleeve 12 at the bottom of the upper shear wall 1 communicated with the grouting layer 31 to fill the grouting layer 31 so as to transfer the structural load between the upper shear wall 1 and the lower shear wall 2. Finally, the building surface layer 9 can be poured above the cast-in-place layer 3.
In view of the above-mentioned related technologies, the inventor believes that the specifications of the shear wall are large, and when the shear walls of different specifications are connected up and down, the heights of grouting layers between the upper shear wall and the lower shear wall are inconsistent, so that a plurality of piles of stacked gaskets are mostly adopted to be placed between the upper shear wall and the lower shear wall, so that a grouting layer is formed between the upper shear wall and the lower shear wall. However, the gaskets are generally placed on one side of the lower shear wall facing the upper shear wall, and when the upper shear wall is hung on one side of the lower shear wall, part of the gaskets are very easy to be knocked over or moved, so that the height positions of the gaskets are not uniform easily, the upper shear wall is poor in verticality easily, and the overall installation accuracy of the assembly type building is influenced easily finally.
Disclosure of Invention
In order to improve that the gasket moves and causes the straightness relatively poor that hangs down of last shear wall easily, finally influence the problem of the whole installation accuracy of assembly type structure easily, this application provides connection structure about assembly type shear wall structure and construction process thereof.
First aspect, the application provides a connection structure about assembled shear force wall building adopts following technical scheme:
an upper and lower connecting structure of an assembly type shear wall building comprises an upper shear wall, a lower shear wall, a cast-in-place layer and a plurality of gaskets, wherein the upper shear wall is installed above the lower shear wall, and the gaskets are installed between the upper shear wall and the lower shear wall and form a grouting layer; the cast-in-place layers are positioned on two sides of the joint of the upper shear wall and the lower shear wall; the device comprises a plurality of block-up adjusting mechanisms, wherein each block-up adjusting mechanism comprises a block-up assembly and an adjusting assembly, the block-up assembly is connected with the upper shear wall through the adjusting assembly, the block-up assembly comprises a vertical connecting plate and a transverse connecting plate which are vertically connected, the vertical connecting plate is connected with the side wall of the upper shear wall, and the transverse connecting plate is abutted against the top of the lower shear wall; the gasket is arranged between the bottom of the upper shear wall and the transverse connecting plate.
By adopting the technical scheme, the height of the grouting layer formed by the padding height adjusting mechanism can be adjusted according to the requirement, and the number of the gaskets required to be installed is adjusted, so that the grouting layer meeting the height requirement can be formed between the upper shear wall and the lower shear wall. The heightening adjusting mechanism fixes the gasket at the upper shear wall, so that the situation that the gasket is knocked over or moved can be effectively reduced when the gasket is hung into the upper shear wall towards one side of the lower shear wall, the height position uniformity of the gasket on each heightening adjusting mechanism can be kept all the time, the upper shear wall is enabled to be good in verticality, and the overall installation precision of the assembly type building can be improved conveniently. The vertically connected vertical connecting plate and the horizontally connected connecting plate are used for keeping the verticality when the upper shear wall is installed.
Optionally, the adjusting mechanism includes a pre-embedded threaded sleeve, an installation screw and a lock nut, the pre-embedded threaded sleeve is embedded in the upper shear wall, an opening of the pre-embedded threaded sleeve extends to a side wall of the upper shear wall, the installation screw is inserted into the pre-embedded threaded sleeve and is in threaded connection with the pre-embedded threaded sleeve, and the lock nut is sleeved on the circumference of the installation screw and is in threaded connection with the installation screw; a first waist-shaped hole is formed in the vertical connecting plate, and one end of the first waist-shaped hole extends towards the transverse connecting plate; the mounting screw is inserted into the first waist-shaped hole, the vertical connecting plate is located between the upper shear wall and the locking nut, and the locking nut is abutted to one side, far away from the upper shear wall, of the vertical connecting plate.
Through adopting above-mentioned technical scheme, from first waist type hole towards pre-buried threaded sleeve internal thread screw in installation screw rod, lock nut makes the tank bottom butt of one side of vertical connecting plate and mounting groove to the position of fixed connection board. The first kidney-shaped hole can be convenient for the vertical connecting plate to move up and down, thereby being convenient for adjust the quantity of the gasket placed between the transverse connecting plate and the upper shear wall.
When the upper shear wall and the cast-in-place layer deform, the mounting screw can displace in the first waist-shaped hole along with the deviation of the upper shear wall, but the mounting screw is limited by the heightening component and cannot be separated from the connection with the grouting layer all the time, so that a flexible connection mode can be formed, and further the damage of the bottom connection structure of the upper shear wall to the rigidity of the upper shear wall is reduced.
Optionally, the gasket is magnetically connected with the vertical connecting plate.
By adopting the technical scheme, the connecting mode is simple and convenient, the assembly and disassembly are easy, the gasket can be conveniently and quickly fixed after the gasket is installed, and the practical effect is better. The gasket can be spacing towards one side of pre-buried threaded sleeve through vertical connecting plate for the gasket that is located upper and lower position aligns as far as possible, is convenient for reduce the crooked condition that leads to the high position of each gasket on the bed hedgehopping guiding mechanism inhomogeneous of gasket and takes place.
Optionally, an installation groove is formed in the bottom of the inner side of the upper shear wall, the installation groove is arranged in a penetrating manner towards one side of the grouting layer, an opening of the embedded threaded sleeve extends to the groove bottom of the installation groove, and the vertical connecting plate is abutted to the groove bottom of the installation groove; and the mounting groove is filled with plugging materials.
Through adopting above-mentioned technical scheme, the setting of mounting groove can be convenient for bed hedgehopping subassembly and adjusting part imbed in the shear force wall body, can make the wall of going up the shear force wall keep better planarization through the mode to the intussuseption shutoff material in the mounting groove to the wholeness and the practicality of shear force wall are gone up in the promotion.
Optionally, a first plugging component for plugging the notch of the mounting groove is arranged at the notch of the mounting groove, and the first plugging component is detachably connected with the adjusting component.
Through adopting above-mentioned technical scheme, the shutoff material that the setting up of first shutoff subassembly can be convenient for the mounting groove intussuseption flushes with the mounting groove notch to the reduction carries out the condition emergence that the secondary was repaired to last shear wall, and can reduce the degree of difficulty and the working strength that the secondary was repaired when needs carried out the secondary and repair.
Optionally, the first plugging component comprises a baffle, a connecting screw rod and a fastening nut, and the baffle is located on the inner side of the upper shear wall and plugs the notch of the mounting groove; a plurality of second waist-shaped holes are formed in the baffle plate, and one ends of the second waist-shaped holes extend towards one side of the cast-in-place layer; one side, far away from the bottom of the mounting groove, of the mounting screw extends to the notch of the mounting groove, the connecting screw is inserted into the second waist-shaped hole, and one end of the connecting screw is inserted into the mounting screw and is in threaded connection with the mounting screw; the other end is in threaded connection with the abutting nut; the baffle is located between the upper shear wall and the tightening nut, and the tightening nut is abutted to one side, far away from the upper shear wall, of the baffle.
Through adopting above-mentioned technical scheme, the setting of baffle is used for the notch of shutoff mounting groove, is convenient for can keep the planarization of shear force wall after the packing shutoff material in the mounting groove. Connecting screw and support tight nut cooperation and be used for fixed stop, the dismantlement baffle that can be comparatively convenient after the mounting groove is filled and is accomplished.
Optionally, the lower portion of the interior of the upper shear wall is connected with a mounting sleeve, the upper portion of the interior of the lower shear wall is connected with vertical steel bars, the vertical steel bars are inserted into the mounting sleeve, a grout inlet hole is formed in one side of the upper shear wall, the grout inlet hole is communicated with the mounting sleeves and the mounting groove, and the mounting sleeves are communicated with the grouting layer.
By adopting the technical scheme, the upper shear wall and the lower shear wall are guided and positioned through the mounting sleeve and the vertical steel bars, so that the perpendicularity of the upper shear wall is kept conveniently; the gap, the grouting layer and the mounting groove in the mounting sleeve can be respectively filled through one-time slurry feeding of the slurry feeding hole, and the operation steps are saved.
Optionally, the lower extreme in the upper shear wall outside is provided with waterproof, waterproof includes first adhesive tape and the second adhesive tape that extends the setting along the length direction of upper shear wall, first adhesive tape is connected with the second adhesive tape, first adhesive tape inlays the bottom towards outside one side of upper shear wall, just form the breach between first adhesive tape and the second adhesive tape, breach department is filled with sealed glue or mortar.
By adopting the technical scheme, when the shear wall and the lower shear wall are used for stiffening the outer wall, the arrangement of the waterproof piece can reduce the phenomenon that water on the outer side permeates into mortar in a grouting layer and corrodes the mortar in the grouting layer from the bottom of the upper shear wall, so that the water seepage phenomenon at the bottom of the upper shear wall can be reduced. The gap between the cast-in-place layer and the outer side wall of the upper shear wall is filled by matching the first adhesive tape and the second adhesive tape, so that sealant or mortar can better block the gap between the cast-in-place layer and the outer side wall of the upper shear wall through the blocking gap, the waterproof effect of the grouting layer is better improved, and the indoor water seepage phenomenon is reduced.
Optionally, the height of one side of the grouting layer is higher than that of the other side of the grouting layer.
Through adopting above-mentioned technical scheme, when going up the shear force wall as the outer wall, can form the trend of high outside low in the top shear force wall bottom, because the earth has vertical decurrent gravity to water, so water flows toward low, and outdoor ponding is difficult to get into indoorly through the grout blanket, has the effect that the seepage phenomenon appears at the bottom of the better reduction top shear force wall.
In a second aspect, the application provides a construction process of an upper and lower connection structure of an assembly type shear wall building, which adopts the following technical scheme:
a construction process of an upper connection structure and a lower connection structure of an assembly type shear wall building comprises the following steps:
s1: prefabrication: prefabricating the upper shear wall and the lower shear wall in any one of the technical schemes;
s2: installation: installing a lower shear wall, installing the heightening adjusting mechanism in the technical scheme in an installation groove of the upper shear wall, increasing or decreasing the number of gaskets according to the connection requirement of the upper shear wall and the lower shear wall, then pouring a cast-in-place layer, and connecting the upper shear wall and the lower shear wall;
s3: grouting preparation: the cast-in-place layer blocks two ends of the grouting layer, and the other two ends of the grouting layer are connected with second blocking assemblies, so that the grouting layer forms a closed space; installing the first plugging component in the technical scheme at the notch of the installation groove to form a closed space in the installation groove;
s4: grouting: pouring a grouting layer and the mounting groove, and then removing the first plugging component;
s5: and (5) finishing and checking.
By adopting the technical scheme, the flatness of the wall of the upper shear wall can be kept while keeping the verticality of the upper shear wall during installation, and the connection strength of the upper shear wall and the lower shear wall is convenient to promote.
In summary, the present application includes at least one of the following beneficial technical effects:
1. through the arrangement of the heightening adjusting mechanisms, the effect of keeping the height positions of the gaskets on each heightening adjusting mechanism uniform all the time can be achieved, so that the verticality of the upper shear wall is better, and the integral installation precision of the assembly type building is improved conveniently;
2. through the arrangement of the first plugging component, the plugging material convenient for filling in the mounting groove can be flush with the notch of the mounting groove, so that the occurrence of secondary repairing of the upper shear wall is reduced, and the difficulty and the working strength of the secondary repairing can be reduced when the secondary repairing is needed;
3. through the setting of first adhesive tape, second adhesive tape and breach, can play the clearance of being convenient for fill between cast-in-place layer and the last shear force wall lateral wall, promote the water-proof effects on grout blanket, reduce the effect of infiltration phenomenon.
Drawings
Fig. 1 is a schematic sectional view of a related art upper and lower connection structure.
Fig. 2 is a schematic structural view of the upper and lower connection structures according to the embodiment of the present application.
Fig. 3 is a schematic top view of the upper and lower connection structures according to the embodiment of the present application.
Fig. 4 is a sectional view taken along line a-a of fig. 3.
Fig. 5 is a sectional view taken along line B-B in fig. 3.
Fig. 6 is a partially enlarged schematic view of a portion a in fig. 5.
Fig. 7 is a partially enlarged schematic view of a portion B in fig. 5.
Description of reference numerals: 1. an upper shear wall; 11. mounting grooves; 12. installing a sleeve; 13. a slurry inlet hole; 2. a lower shear wall; 21. vertical reinforcing steel bars; 3. a cast-in-place layer; 31. grouting layer; 311. a first horizontal segment; 312. a connecting section; 313. a second horizontal segment; 32. a gasket; 4. a step-up assembly; 41. a vertical connecting plate; 42. a first kidney-shaped hole; 43. a transverse connecting plate; 5. an adjustment assembly; 51. pre-burying a threaded sleeve; 52. installing a screw rod; 53. locking the nut; 6. a first plugging component; 61. a baffle plate; 62. a second kidney-shaped hole; 63. connecting a screw rod; 64. tightly abutting the nut; 7. a second plugging component; 8. a waterproof member; 81. a first adhesive tape; 82. a second adhesive tape; 83. a notch; 9. building a surface course; 91. laterally blocking; 92. prefabricating a floor slab; 93. a wood board.
Detailed Description
The present application is described in further detail below with reference to figures 2-7.
The embodiment of the application discloses connection structure about assembled shear force wall building. Referring to fig. 2 and 3, the upper and lower connection structure of the fabricated shear wall building comprises an upper shear wall 1, a lower shear wall 2, a prefabricated floor slab 92 and a cast-in-place layer 3, wherein the upper shear wall 1 is connected with the lower shear wall 2, the prefabricated floor slab 92 is installed on the periphery of the lower shear wall 2, and the cast-in-place layer is poured on the prefabricated floor slab 92 and is positioned on two sides of the connection part of the upper shear wall 1 and the lower shear wall 2.
Referring to fig. 4 and 5, a vertically arranged mounting sleeve 12 is connected to the lower portion of the interior of the upper shear wall 1, vertical reinforcing bars 21 are connected to the upper portion of the interior of the lower shear wall 2, and the vertical reinforcing bars 21 extend out of the lower shear wall 2 and are inserted into the mounting sleeve 12, so that the upper and lower shear walls 2 are connected in a positioned manner. A padding height adjusting mechanism is arranged between the upper shear wall 1 and the lower shear wall 2, and a plurality of gaskets 32 with the same height are clamped on the padding height adjusting mechanism, so that a gap, namely a grouting layer 31, is formed between the upper shear wall 1 and the lower shear wall 2.
Referring to fig. 4 and 5, when the upper shear wall 1 and the lower shear wall 2 are used as external walls of a building, in order to improve the waterproof performance of the joint of the upper shear wall 1 and the lower shear wall 2 and reduce the phenomenon of indoor water seepage, the height of the grouting layer 31 near the indoor side is higher than the height of the grouting layer 31 near the outdoor side, so that the grouting layer 31 has a tendency of high inside and low outside. The section of grout blanket 31 in this embodiment includes first horizontal segment 311, linkage segment 312 and the second horizontal segment 313 that sets gradually, and first horizontal segment 311 sets up towards outdoor one side, and second horizontal segment 313 sets up towards indoor, and first horizontal segment 311 is less than second horizontal segment 313 and sets up. The connection section 312 connects the first horizontal section 311 and the second horizontal section 313, and the connection section 312 is perpendicular to the first horizontal section 311 and the second horizontal section 313. A heightening adjusting mechanism can be also installed at the joint of the first horizontal section 311 and the connecting section 312 of the upper shear wall 1, so that the upper shear wall 1 is stressed uniformly and is difficult to incline when being installed.
Referring to fig. 5 and 6, the bed height adjusting mechanism includes a bed height assembly 4 and an adjusting assembly 5, the bed height assembly 4 includes a vertical connecting plate 41 and a horizontal connecting plate 43 which are vertically arranged and integrally formed, and the adjusting mechanism includes a pre-embedded threaded sleeve 51, a mounting screw 52 and a locking nut 53. The upper shear wall 1 is provided with a mounting groove 11 towards one indoor side, and the mounting groove 11 is arranged through the groove wall of one side towards the second horizontal section 313. An embedded threaded sleeve 51 is embedded in the upper shear wall 1, and when the heightening adjusting mechanism is located at the joint of the installation groove 11 and the second horizontal section 313, the opening of the embedded threaded sleeve 51 is arranged towards the groove bottom of the installation groove 11. At this time, the vertical connecting plate 41 is located in the mounting groove 11, and the horizontal connecting plate 43 is located in the second horizontal section 313. When the bed height adjusting mechanism is located at the joint of the first horizontal section 311 and the connecting section 312, the opening of the pre-embedded threaded sleeve 51 is arranged towards the connecting section 312. At this time, the vertical connecting plate 41 is located in the connecting section 312, and the horizontal connecting plate 43 is located in the first horizontal section 311.
The vertical connecting plate 41 is provided with a first kidney-shaped hole 42, and the axis of the first kidney-shaped hole 42 is parallel to the axis of the vertical connecting plate 41. The mounting screw 52 is screwed into the first kidney-shaped hole 42 toward the pre-embedded threaded sleeve 51. The mounting screw 52 is far away from one end circumference threaded connection lock nut 53 of pre-buried threaded sleeve 51, and is screwed in lock nut 53 towards pre-buried threaded sleeve 51 side until making vertical connecting plate 41 and last shear wall 1 wall butt, and bed hedge subassembly 4 is fixed this moment. The transverse connecting plate 43 is located in the grouting layer 31, namely the transverse connecting plate 43 is located below the upper shear wall 1, and the gasket 32 is placed between the transverse connecting plate 43 and the upper shear wall 1. Due to the fact that the first kidney-shaped holes 42 are arranged, the vertical connecting plates 41 can be axially displaced along the first kidney-shaped holes 42, the number of the gaskets 32 between the transverse connecting plates 43 and the upper shear wall 1 can be increased or decreased according to the required heightening height, and therefore the height of the grouting layer 31 can be adjusted. The vertical connecting plate 41 and the spacer 32 can be magnetic plates, and the spacer 32 is fixed through the magnetic connection of the spacer 32 and the magnetic plates. The side of the transverse connecting plate 43, which is far away from the gasket 32, is placed on the lower shear wall 2, so that the perpendicularity of the upper shear wall 1 during installation is maintained.
Referring to fig. 2 and 6, the plugging mechanism comprises a first plugging component 6 and a second plugging component 7, the first plugging component 6 is detachably connected with the adjusting component 5, the first plugging component 6 comprises a baffle 61 and a connecting screw 63, and the baffle 61 is positioned on one side of the upper shear wall 1 facing the indoor space and plugs the notch of the mounting groove 11. The side of the mounting screw 52 away from the bottom of the mounting groove 11 extends to the notch of the mounting groove 11, and the connecting screw 63 can penetrate through the baffle 61 and be in threaded connection with the baffle 61. One side of the mounting screw 52 at the mounting groove 11 facing the baffle 61 is provided with a threaded hole, and the threaded hole is a blind hole. One end of the connecting screw 63 is inserted into the threaded mounting screw and is threadedly coupled with the mounting screw 52, thereby fixing the barrier 61. A second kidney-shaped hole 62 may be formed in the baffle 61 at a position corresponding to the mounting screw 52 in the mounting groove 11, and the axial direction of the second kidney-shaped hole 62 may be in the same direction as the height direction of the baffle 61. The connecting screw 63 is inserted into the second kidney-shaped hole 62, then inserted into the threaded hole and in threaded connection with the mounting screw 52, one end of the connecting screw 63, which is far away from the mounting screw 52, is in threaded connection with a tightening nut 64, the baffle 61 is located between the upper shear wall 1 and the tightening nut 64, and the baffle 61 and the upper shear wall 1 are tightly pressed through the tightening nut 64. In this embodiment, the baffle 61 is fixed by the second kidney-shaped hole 62 and the abutting nut 64, and the connecting screw 63 is aligned with the mounting screw 52 conveniently, so that the adaptability is good.
Referring to fig. 2 and 4, a grout inlet 13 is formed in one side of the upper shear wall 1, the grout inlet 13 is communicated with each mounting sleeve 12, and the mounting sleeves 12 are communicated with a grouting layer 31. The cast-in-place layer 3 is positioned on two sides of the connecting part of the upper shear wall 1 and the lower shear wall 2 and used for plugging two ends of the grouting layer 31. The second plugging component 7 is used for plugging two ends of the grouting layer 31, which are not provided with the cast-in-place layer 3, so that the grouting layer 31 forms a closed space, mortar can be injected into the grouting layer 31 through the mortar inlet hole 13, and the upper shear wall 1 and the lower shear wall 2 are fixedly connected. The second plugging member 7 in this embodiment may be a wooden plate 93, a rubber plate, or the like.
Referring to fig. 4 and 6, the installation groove 11 also needs to be filled with grouting plugging materials, the grouting hole and the installation groove 11 can be communicated, the installation groove 11 can be filled after the grouting layer 31 is filled, and then the installation sleeve 12 is filled, so that the operation is simple and convenient, and the connection between the upper shear wall 1 and the lower shear wall 2 is firm. After grouting is finished, the abutting nut 64 and the connecting screw 63 can be taken down after mortar in the installation groove 11 is solidified, then the baffle 61 is taken down, and the wall of the upper shear wall 1 can be kept in a relatively flat state. If partial mortar in the installation groove 11 is separated when the baffle 61 is taken down, only a supplementary amount of mortar is needed for leveling, and the difficulty of secondary repair is low.
Referring to fig. 5 and 7, a waterproof part 8 is arranged at the lower end of one side of the upper shear wall 1, which is far away from the baffle, the waterproof part 8 comprises a first adhesive tape 81 with a semicircular section and a second adhesive tape 82 with a fan-shaped section, the first adhesive tape 81 is connected with the second adhesive tape 82, and a gap 83 is formed between the first adhesive tape 81 and the second adhesive tape 82. The first rubber strip 81 is embedded at the bottom end of one side of the upper shear wall 1 facing the outside, and the first rubber strip 81 and the second rubber strip 82 extend along the length direction of the upper shear wall 1. When the upper shear wall 1 is placed towards the lower shear wall 2 side, the lower end of the upper shear wall 1 is embedded in the cast-in-place layer 3, at the moment, the second rubber strip 82 is located between the upper shear wall 1 and the cast-in-place layer 3 and rotates towards the gap 83 until the gap between the upper shear wall 1 and the cast-in-place layer 3 is tightly blocked. Under the sealing of the first adhesive tape 81 and the second adhesive tape 82, the penetration of moisture into the grout layer 31 can be reduced. After the upper shear wall 1 is installed, sealant or mortar can be filled in the gap 83, so that a gap between the upper shear wall 1 and the cast-in-place layer 3 can be better plugged.
The implementation principle of the upper and lower connection structure of the assembly type shear wall building is as follows: firstly, the lower shear wall 2 is installed and fixed, then the cast-in-place layer 3 is laid on the prefabricated floor slabs 92 on the two sides of the top of the lower shear wall 2, and a groove for installing the upper shear wall 1 is reserved when the cast-in-place layer 3 is laid. Then, the upper shear wall 1 provided with the bed height adjusting mechanism and the waterproof piece 8 is hoisted to the upper side of the corresponding lower shear wall 2, and then the vertical steel bars 21 are correspondingly inserted into the mounting sleeve 12 along with the descending of the upper shear wall 1.
Then, the baffle 61 is fixed at the notch of the mounting groove 11, and the wood plate 93 is mounted on the side of the upper shear wall 1 where the cast-in-place layer 3 is not cast, so that mortar can be poured through the mortar inlet hole 13. And stopping grouting after the grouting layer 31, the mounting groove 11 and the mounting sleeve 12 are filled with mortar, and taking down the baffle 61 and the wood board 93 after the mortar is solidified. And finally, the mortar surface at the groove opening of the mounting groove 11 can be leveled through mortar, and the gap 83 of the waterproof piece 8 is plugged through the mortar and the connecting part between the waterproof piece 8 and the upper shear wall 1 and the lower shear wall 2.
The embodiment of the application further discloses a construction process of the upper and lower connecting structures of the fabricated shear wall building, which comprises the following steps:
referring to fig. 2 and 3, S1: prefabrication: the upper shear wall 1 and the lower shear wall 2 are prefabricated at the factory.
Referring to fig. 4 and 6, S2: installation: the lower shear wall 2 and the prefabricated floor slab 9 are installed on site, then the heightening adjusting mechanism is installed in the installation groove 11 of the upper shear wall 1, and the number of the gaskets 32 is increased or decreased according to the connection requirement of the upper shear wall 2 and the lower shear wall 2. And then pouring a cast-in-place layer 3, reserving a groove for installing the upper shear wall 1, and correspondingly connecting the upper shear wall 1 with the lower shear wall 2.
Referring to fig. 2 and 6, S3: grouting preparation: the cast-in-place layer 3 blocks two ends of the grouting layer 31, and the other two ends of the grouting layer 31 are blocked by the second blocking component 7. The second plugging component 7 adopts a wood plate 93, and the wood plate 93 enables the grouting layer 31 to form a closed space. The first plugging component 6 is installed at the notch of the installation groove 11, and the baffle 61 is adopted by the first plugging component 6, so that a closed space is formed in the installation groove 11.
S4: grouting: grouting layer 31, mounting groove 11 and mounting sleeve 12 are poured through grout inlet 13, and then first plugging component 6 and second plugging component 7, namely baffle 61 and wood plate 93, are disassembled.
Referring to fig. 5 and 6, S5: trimming and acceptance: the mortar surface at the installation groove 11 and the notch 83 at the waterproof member 8 are secondarily repaired by the mortar. And finally, checking whether the connection strength, the verticality, the surface flatness, the waterproof performance and the like of the upper shear wall 1 and the lower shear wall 2 are qualified.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. An upper and lower connecting structure of an assembly type shear wall building comprises an upper shear wall (1), a lower shear wall (2), a cast-in-place layer (3) and a plurality of gaskets (32), wherein the upper shear wall (1) is installed above the lower shear wall (2), and the gaskets (32) are installed between the upper shear wall (1) and the lower shear wall (2) to form a grouting layer (31); the method is characterized in that: the cast-in-place layers (3) are positioned on two sides of the joint of the upper shear wall (1) and the lower shear wall (2); the lifting device is characterized by further comprising a plurality of lifting adjusting mechanisms, each lifting adjusting mechanism comprises a lifting assembly (4) and an adjusting assembly (5), each lifting assembly (4) is connected with the upper shear wall (1) through the adjusting assembly (5), each lifting assembly (4) comprises a vertical connecting plate (41) and a transverse connecting plate (43) which are vertically connected, each vertical connecting plate (41) is connected with the side wall of the upper shear wall (1), and each transverse connecting plate (43) is abutted to the top of the lower shear wall (2); the gasket (32) is arranged between the bottom of the upper shear wall (1) and the transverse connecting plate (43).
2. The upper and lower connection structure of an assembled shear wall building according to claim 1, wherein: the adjusting mechanism comprises a pre-buried threaded sleeve (51), an installation screw rod (52) and a locking nut (53), the pre-buried threaded sleeve (51) is embedded in the upper shear wall (1), an opening of the pre-buried threaded sleeve (51) extends to the side wall of one side of the upper shear wall (1), the installation screw rod (52) is inserted into the pre-buried threaded sleeve (51) and is in threaded connection with the pre-buried threaded sleeve (51), and the locking nut (53) is sleeved on the circumferential direction of the installation screw rod (52) and is in threaded connection with the installation screw rod (52); a first waist-shaped hole (42) is formed in the vertical connecting plate (41), and one end of the first waist-shaped hole (42) extends towards the transverse connecting plate (43); the mounting screw rod (52) is inserted into the first waist-shaped hole (42), the vertical connecting plate (41) is located between the upper shear wall (1) and the locking nut (53), and the locking nut (53) abuts against one side, far away from the upper shear wall (1), of the vertical connecting plate (41).
3. The upper and lower connecting structure of the fabricated shear wall building according to claim 2, wherein: the gasket (32) is magnetically connected with the vertical connecting plate (41).
4. The upper and lower connecting structure of the fabricated shear wall building according to claim 2, wherein: the bottom of the inner side of the upper shear wall (1) is provided with an installation groove (11), the installation groove (11) is arranged in a penetrating manner towards one side of the grouting layer (31), an opening of the embedded threaded sleeve (51) extends to the groove bottom of the installation groove (11), and the vertical connecting plate (41) is abutted to the groove bottom of the installation groove (11); and plugging materials are filled in the mounting groove (11).
5. The upper and lower connection structure of an assembled shear wall building according to claim 4, wherein: the device is characterized in that a first plugging component (6) for plugging the notch of the mounting groove (11) is arranged at the notch of the mounting groove (11), and the first plugging component (6) is detachably connected with the adjusting component (5).
6. The upper and lower connecting structure of an assembled shear wall building according to claim 5, wherein: the first plugging component (6) comprises a baffle plate (61), a connecting screw rod (63) and a fastening nut (64), and the baffle plate (61) is positioned on the inner side of the upper shear wall (1) and plugs the notch of the mounting groove (11); a plurality of second waist-shaped holes (62) are formed in the baffle (61), and one ends of the second waist-shaped holes (62) extend towards one side of the cast-in-place layer (3); one side, far away from the bottom of the installation groove (11), of the installation screw (52) extends to the notch of the installation groove (11), the connecting screw (63) is inserted into the second waist-shaped hole (62), and one end of the connecting screw (63) is inserted into the installation screw (52) and is in threaded connection with the installation screw (52); the other end is in threaded connection with the abutting nut (64); the baffle (61) is positioned between the upper shear wall (1) and the tightening nut (64), and the tightening nut (64) is abutted to one side, far away from the upper shear wall (1), of the baffle (61).
7. The upper and lower connection structure of an assembled shear wall building according to claim 6, wherein: the lower part of the interior of the upper shear wall (1) is connected with a mounting sleeve (12), the upper part of the interior of the lower shear wall (2) is connected with vertical steel bars (21), and the vertical steel bars (21) are inserted into the mounting sleeve (12); go up shear wall (1) one side and be provided with into thick liquid hole (13), advance thick liquid hole (13) and each installation sleeve (12) and mounting groove (11) intercommunication, installation sleeve (12) and grout blanket (31) intercommunication.
8. The upper and lower connection structure of an assembled shear wall building according to claim 1, wherein: go up the lower extreme in shear force wall (1) outside and be provided with waterproof (8), waterproof (8) include first adhesive tape (81) and second adhesive tape (82) that the length direction along last shear force wall (1) extended the setting, first adhesive tape (81) are connected with second adhesive tape (82), first adhesive tape (81) are set in last shear force wall (1) towards the bottom of outside one side, just form breach (83) between first adhesive tape (81) and second adhesive tape (82), breach (83) department is filled there is sealed glue or mortar.
9. The upper and lower connection structure of an assembled shear wall building according to claim 8, wherein: the height of one side of the grouting layer (31) is higher than that of the other side.
10. The construction process of the upper and lower connecting structures of the fabricated shear wall building is characterized in that: the method comprises the following steps:
s1: prefabrication: prefabricating an upper shear wall (1) and a lower shear wall (2) according to any one of claims 1-9;
s2: installation: installing a lower shear wall (2), installing the heightening adjusting mechanism of any one of claims 1-9 in an installation groove (11) of the upper shear wall (1), increasing or decreasing the number of gaskets (32) according to the connection requirements of the upper and lower shear walls (2), then pouring a cast-in-place layer (3), and then connecting the upper shear wall (1) and the lower shear wall (2);
s3: grouting preparation: the cast-in-place layer (3) blocks two ends of the grouting layer (31), and the other two ends of the grouting layer (31) are connected with second blocking assemblies (7), so that the grouting layer (31) forms a closed space; mounting the first plugging assembly (6) of any one of claims 1 to 9 in a slot of the mounting groove (11) so that a closed space is formed in the mounting groove (11);
s4: grouting: pouring a grouting layer (31) and the mounting groove (11), and then removing the first plugging component (6);
s5: and (5) finishing and checking.
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| CN114737716A (en) * | 2022-03-31 | 2022-07-12 | 福建大华建设工程股份有限公司 | Upper and lower connection structure of assembled shear wall building |
| CN116971510A (en) * | 2023-09-19 | 2023-10-31 | 山西二建集团有限公司 | Assembled wall, auxiliary assembly part and construction mode |
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| CN116971510B (en) * | 2023-09-19 | 2023-12-15 | 山西二建集团有限公司 | Assembled wall, auxiliary assembly part and construction mode |
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| CN112726866B (en) | 2021-10-12 |
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