CN115110664B - ALC prefabricated shear wall and manufacturing method thereof - Google Patents
ALC prefabricated shear wall and manufacturing method thereof Download PDFInfo
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- CN115110664B CN115110664B CN202210477899.0A CN202210477899A CN115110664B CN 115110664 B CN115110664 B CN 115110664B CN 202210477899 A CN202210477899 A CN 202210477899A CN 115110664 B CN115110664 B CN 115110664B
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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
- E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/14—Producing shaped prefabricated articles from the material by simple casting, the material being neither forcibly fed nor positively compacted
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
- B28B11/245—Curing concrete articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
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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
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
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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
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
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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
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
- E04B1/6806—Waterstops
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Abstract
The invention provides an ALC prefabricated shear wall and a manufacturing method thereof, which belong to the field of assembly type buildings and comprise two ALC prefabricated shear half walls, wherein the ALC prefabricated shear half walls are connected into an integrated structure through connecting plates; the ALC prefabricated shear half wall comprises a profiled steel plate and transverse steel bars, wherein a plurality of plate ribs are arranged on the inner side of the profiled steel plate, a steel bar truss is arranged between two adjacent plate ribs, the transverse steel bars penetrate through the plate ribs, and two ends of the transverse steel bars are welded on two sides of the inner wall of the profiled steel plate; a rectangular frame is arranged at the bottom of each plate rib; according to the ALC precast shear wall, the ALC precast shear half wall is arranged and connected into an integrated structure through the connecting plates, so that the installation is convenient. The manufacturing method of the ALC prefabricated shear wall disclosed by the invention saves working hours by combining prefabrication and field installation.
Description
Technical Field
The invention belongs to the field of assembled buildings, and particularly relates to an ALC prefabricated shear wall and a manufacturing method thereof.
Background
The existing steel bar truss shear wall is easy to generate larger damage in the transportation process, and the transportation cost is too high; the assembly degree of the steel bar truss shear wall is not high, the site formwork pouring is still needed, the construction is difficult, and the labor cost is high; for a building with heat preservation requirements, the thickness, the heat preservation performance and the stress performance of the common steel bar truss shear wall are difficult to achieve at the same time.
ALC panels are also known as autoclaved aerated concrete panels; the existing ALC plate has good heat preservation performance and stress performance, but the existing ALC wallboard is problematic in installation, and the repairing position of the ALC plate is easy to fall off.
Disclosure of Invention
The invention aims to: the invention provides an ALC prefabricated shear wall which is convenient to install; it is another object of the present invention to provide a method of manufacturing the same.
In order to achieve the above purpose, the invention provides an ALC precast shear wall, which comprises two ALC precast shear half walls, wherein the ALC precast shear half walls are connected into an integrated structure through connecting plates; the ALC precast shear semi-wall comprises a profiled steel plate and transverse steel bars, wherein a plurality of plate ribs are arranged on the inner side of the profiled steel plate, steel bar trusses are arranged between two adjacent plate ribs, the transverse steel bars penetrate through the plate ribs, and two ends of the transverse steel bars are welded on two sides of the inner wall of the profiled steel plate; a rectangular frame is arranged at the bottom of each plate rib.
Further, the steel bar truss is welded on the profiled steel sheet; and an ALC plate is arranged in the profiled steel sheet, and a concrete slab is arranged on the ALC plate.
Further, locking structures which are uniformly distributed are arranged in the steel bar truss, and the lower ends of the locking structures are fixedly connected with the rectangular frame.
Further, a grouting sleeve is arranged at the end part of the transverse steel bar, one end of the grouting sleeve extends to the inner side of the profiled steel sheet, and the other end of the grouting sleeve extends to the outer side of the profiled steel sheet; when the two profiled steel sheets are in butt joint, the grouting sleeve is sleeved on the extending transverse steel bars.
Further, the one end fixed connection grout mouth of telescopic one end of grout be equipped with chucking structure in telescopic one end of keeping away from the grout mouth of grout, chucking structure includes long lug the lower extreme fixed connection grout sleeve of long lug be equipped with two symmetric distribution's short lug at the both ends of long lug, long lug has the rotation round pin with inside interlude of short lug, and long lug is articulated with short lug through the rotation round pin.
Further, the upper end fixed connection bracing piece of short lug, one side lower extreme fixed connection spring of bracing piece, the lower extreme fixed connection grout sleeve of spring, the one end that keeps away from the spring of bracing piece alternates in the slotted hole of horizontal reinforcing bar, the bracing piece alternates in the bell mouth, the bell mouth is established in the upper end of grout sleeve.
Further, a plurality of prefabricated hole rings are inserted in the plate ribs, and transverse reinforcing steel bars are transversely placed and pass through the prefabricated hole rings and are welded and fixed.
Further, the locking structure comprises an inner hexagonal knob which is rotatably connected to the inside of the steel bar truss; the inner fixed connection pivot of interior hexagonal knob, the outside of pivot is equipped with a plurality of evenly distributed's fixed block the one end of keeping away from the pivot of fixed block is equipped with lug and fixed connection, the lug alternates at the web member post of symmetric distribution, the web member post alternates at steelframe truss and contact connection, the one end of keeping away from the pivot of web member post welds two symmetric distribution's web members, the one end welding of keeping away from the pivot of web member is in on the rectangular frame, the upper end of steel bar truss is equipped with bolt and sliding connection, bolt contact connection fixed block.
Further, the manufacturing method of the ALC prefabricated shear wall comprises the following steps:
step one: the profiled steel sheet and the connecting plate with set thickness are customized, the sum of the heights of the steel sheets on two sides of the two profiled steel sheets and the height of one connecting plate is the same as the thickness of the ALC precast shear wall, and the height of the plate rib is smaller than the thickness of the ALC precast shear half wall;
step two: placing a steel bar truss between two adjacent plate ribs, welding the steel bar truss on a profiled steel plate, inserting a plurality of web member columns at the lower end of the steel bar truss, tightening an inner hexagonal knob to enable the steel bar truss to be clamped by the convex blocks, inserting a bolt to fix the web member columns, and welding the web members on the rectangular frame; the transverse reinforcing steel bars pass through the preformed holes on the profiled steel sheet and the plate ribs and are welded at the perforated positions; pouring a grouting sleeve at the end part of the transverse steel bar, fixing the grouting sleeve on a side plate of the profiled steel plate, extending one end of the grouting sleeve and exposing the outer side of the profiled steel plate, rotating an inner hexagonal knob through an inner hexagonal wrench, driving a rotating shaft to rotate, driving a fixing block to rotate in a steel bar truss by rotating the rotating shaft, driving a lug to clamp a web column by rotating the fixing block in the steel bar truss, and locking the fixing block through inserting a bolt to prevent loosening;
step three: pouring an ALC plate; after the arrangement of the steel bar truss and the transverse steel bars is finished, pouring an ALC plate, performing steam curing on the ALC plate after pouring, and waiting for the strength of the ALC plate to meet the requirement of normal stress after steam curing;
step four: pouring concrete slabs; pouring the concrete slab to the topmost end of the slab rib, and then curing;
step five: hoisting construction of an ALC prefabricated shear wall; after prefabricating batch ALC precast shear walls, carrying out hoisting construction on a transportation site, hoisting each ALC precast shear wall to a corresponding position, moving one end of a supporting rod to enable the other end of the supporting rod to be inserted into a transverse steel bar of the other ALC precast shear wall, grouting through a grouting opening, thereby realizing connection of the whole ALC precast shear half wall, compressing a spring by pressing the supporting rod, inserting the transverse steel bar of the other ALC precast shear half wall into a grouting sleeve, releasing a pressing part of the supporting rod, locking a pin column of the supporting rod into the transverse steel bar of the other ALC precast shear half wall due to the extension force of the spring, and performing subsequent grouting and other operations; and then the upper ALC precast shear half wall and the lower ALC precast shear half wall are connected through connecting plates, so that the connection and fixation of the whole ALC precast shear wall are realized.
Step six: waterproof post-pouring tank; and after the grouting sleeve reaches a stress condition, performing waterproof operation on the waterproof post-pouring groove at the top of the ALC precast shear wall.
Further, the sixth step specifically includes: firstly, performing additional layer treatment on the joint by using a 3 mm-thick SBS waterproof coiled material, then fully paving a waterproof post-pouring groove by using a 4 mm-thick SBS coiled material, coating the upward-reverse facing joint by using waterproof paint under the hanging lugs, ensuring the waterproof performance, and then performing concrete pouring on the waterproof post-pouring groove.
The junction of two ALC precast shear walls sets up waterproof post-cast tank, and carries out waterproof treatment through SBS waterproofing membrane and waterproof coating in the butt joint department. The waterproof coating is polyurethane waterproof coating.
The reinforcing plate is arranged at the joint of the profiled steel sheets and is clamped and connected through bolts, so that the strength of the joint of the profiled steel sheets is increased and loosening is prevented.
The aperture of the conical hole is larger than the distance of the support rod inserted into one end of the transverse steel bar, so that the pin column of the support rod can be smoothly inserted into the upper end of the transverse steel bar.
One end of the fixed block far away from the rotating shaft is completely attached to the steel bar truss and is in sliding connection.
The beneficial effects are that: compared with the prior art, the ALC precast shear wall comprises two ALC precast shear half walls, and the ALC precast shear half walls are connected into an integrated structure through connecting plates; the ALC prefabricated shear half wall comprises a profiled steel plate and transverse steel bars, wherein a plurality of plate ribs are arranged on the inner side of the profiled steel plate, a steel bar truss is arranged between two adjacent plate ribs, the transverse steel bars penetrate through the plate ribs, and two ends of the transverse steel bars are welded on two sides of the inner wall of the profiled steel plate; a rectangular frame is arranged at the bottom of each plate rib; according to the ALC precast shear wall, the ALC precast shear half wall is arranged and connected into an integrated structure through the connecting plates, so that the installation is convenient. The manufacturing method of the ALC prefabricated shear wall disclosed by the invention saves working hours by combining prefabrication and field installation.
Drawings
FIG. 1 is a schematic structural view of an ALC prefabricated shear wall of the present invention;
FIG. 2 is a schematic structural view of an ALC precast shear half wall of the present invention of the ALC precast shear wall of the present invention;
FIG. 3 is a top view of an ALC precast shear wall of the present invention;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
FIG. 5 is an enlarged view of a portion of FIG. 4 at B;
FIG. 6 is an enlarged view of a portion of FIG. 4 at C;
FIG. 7 is a partial enlarged view at D of FIG. 4;
FIG. 8 is an enlarged view of a portion of FIG. 2 at E;
FIG. 9 is an enlarged view of a portion of FIG. 2 at F;
FIG. 10 is an enlarged view of a portion of FIG. 4 at G;
reference numerals: 1-profiled steel sheet, 2-ALC board, 3-concrete slab, 4-steel truss, 5-transverse steel bar, 6-waterproof post-pouring tank, 7-grouting sleeve, 8-rectangular frame, 9-waterproof paint, 10-plate rib, 11-web member, 12-hexagon knob, 13-spindle, 14-fixed block, 15-bump, 16-web member column, 17-connecting plate, 18-grouting opening, 19-supporting rod, 20-taper hole, 21-spring, 22-long lifting lug, 23-short lifting lug, 24-rotating pin, 25-prefabricated hole ring and 26-bolt.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
As shown in fig. 1 to 10, an ALC precast shear wall comprises a profiled steel sheet 1, an ALC plate 2, a concrete slab 3, a steel bar truss 4, transverse steel bars 5, a waterproof post-pouring groove 6 and a grouting sleeve 7.
The inside of the slab rib 10 is penetrated with a plurality of prefabricated hole rings 25, and the transverse reinforcing steel bars 5 are transversely placed and pass through the prefabricated hole rings 25 and are welded and fixed.
The upper end fixed connection grout mouth 18 of one side of grout sleeve 7, the one end that keeps away from grout mouth 18 of grout sleeve 7 is equipped with the chucking structure, and the horizontal reinforcing bar 5 of another ALC precast shear wall is tightly clamped from the upper end to the chucking structure.
The joint of the two ALC precast shear walls is provided with a waterproof post-pouring groove 6, and the joint is subjected to waterproof treatment through an SBS waterproof coiled material and waterproof paint 9. The waterproof paint 9 is polyurethane waterproof paint.
As shown in fig. 8, the locking structure includes a hexagon socket knob 12, and the hexagon socket knob 12 is rotatably connected to the inside of the steel bar truss 4. As shown in fig. 5, the inner end of the inner hexagonal knob 12 is fixedly connected with the rotating shaft 13, a plurality of uniformly distributed fixing blocks 14 are arranged on the outer side of the rotating shaft 13, a bump 15 is arranged at one end, far away from the rotating shaft 13, of the fixing blocks 14 and is fixedly connected, the bump 15 is inserted into a symmetrically distributed web member column 16, the web member column 16 is inserted into the steel frame truss 4 and is in contact connection with the steel frame truss, two symmetrically distributed web members 11 are welded at one end, far away from the rotating shaft 13, of the web member column 16, one end, far away from the rotating shaft 13, of the web member 11 is welded on the rectangular frame 8, a bolt 26 is arranged at the upper end of the steel bar truss 4 and is in sliding connection with the fixing blocks 14, a worker rotates the inner hexagonal knob 12 through an inner hexagonal wrench to drive the rotating shaft 13 to rotate, the fixing blocks 14 are driven to rotate in the steel bar truss 4, the bump 15 is clamped on the web member column 16, and the fixing blocks 14 are locked by inserting the bolts 26 to prevent loosening, so that the welding time is greatly reduced, and the construction efficiency is increased.
As shown in fig. 6, the clamping structure comprises a long lifting lug 22, the lower end of the long lifting lug 22 is fixedly connected with a grouting sleeve 7, two short lifting lugs 23 which are symmetrically distributed are arranged at two ends of the long lifting lug 22, a rotating pin 24 is inserted into the long lifting lug 22 and the short lifting lug 23, the long lifting lug 22 is hinged with the short lifting lug 23 through the rotating pin 24, the upper end of the short lifting lug 23 is fixedly connected with a supporting rod 19, one side lower end of the supporting rod 19 is fixedly connected with a spring 21, the lower end of the spring 21 is fixedly connected with the grouting sleeve 7, one end, far away from the spring 21, of the supporting rod 19 is inserted into a slotted hole of the transverse steel bar 5, the supporting rod 19 is inserted into a conical hole 20, the conical hole 20 is formed in the upper end of the grouting sleeve 7, a worker compresses the spring 21 by pressing the supporting rod 19, then inserts the transverse steel bar 5 of another ALC precast shear half wall into the grouting sleeve 7, and releases the pressing part of the supporting rod 19, and the pin of the supporting rod 19 is locked in the transverse steel bar 5 of the other ALC half wall due to the elongation force of the spring 21, and the subsequent grouting operation can be facilitated.
The joint of the profiled steel sheet 1 is provided with a reinforcing plate and is clamped and connected through bolts, so that the strength of the joint of the profiled steel sheet 1 is increased and loosening is prevented.
As shown in fig. 1, a connecting plate 17 is arranged at the upper end of the profiled steel sheet 1 and is fixedly connected, the connecting plate 17 can be connected with two ALC precast shear half walls to form a complete ALC precast shear wall, and the two ALC precast shear half walls form a complete ALC precast shear wall which can meet the conditions of fire prevention, ventilation, heat preservation and the like.
The aperture of the tapered hole 20 is larger than the distance between the support rod 10 and one end of the transverse steel bar 5, so that the pin of the support rod 19 can be smoothly inserted into the upper end of the transverse steel bar 5.
The end of the fixed block 14 far away from the rotating shaft 13 is completely attached to the steel bar truss 4 and is in sliding connection.
A manufacturing method of an ALC prefabricated shear wall comprises the following steps:
step one: the profiled steel sheet 1 and the connecting plate 17 with set thickness are customized, the sum of the heights of the steel plates at two sides of the two profiled steel sheets 1 and the height of one connecting plate 1) is the same as the thickness of the ALC precast shear wall, and the height of the plate rib 10 is smaller than half of the thickness of the ALC precast shear wall;
step two: arranging a steel bar truss 4 and transverse steel bars 5, placing the steel bar truss 4 between two adjacent plate ribs 10, welding the steel bar truss 4 on a profiled steel sheet 1, inserting a plurality of web members 16 at the lower end of the steel bar truss 4, tightly clamping the steel bar truss 4 by a lug 15 through tightening an inner hexagonal knob 12, inserting a bolt 26 to fix the web members 16, and welding the web members 11 on a rectangular frame 8; the transverse steel bars 5 pass through the preformed holes on the profiled steel sheet 1 and the plate ribs 10 and are welded at the perforated positions; pouring a grouting sleeve 7 at the end part of the transverse steel bar 5, fixing the grouting sleeve 7 on a side plate of the profiled steel plate 1, extending one end and exposing the outer side of the profiled steel plate 1, rotating an inner hexagonal knob 12 by a worker through an inner hexagonal wrench, driving a rotating shaft 13 to rotate, driving a fixing block 14 to rotate in a steel bar truss 4 by rotating the rotating shaft 13, driving a lug 15 to clamp a web column 16 by rotating the fixing block 14 in the steel bar truss 4, and locking the fixing block 14 to prevent loosening by inserting a bolt 26;
step three: pouring an ALC plate 2; after the arrangement of the steel bar trusses 4 and the transverse steel bars 5 is finished, pouring the ALC plate 2, performing steam curing on the ALC plate 2 after pouring, and waiting for the strength to reach the requirement of being capable of normally stressed after the steam curing;
step four: pouring a concrete slab 3; pouring the concrete slab 3 to the topmost end of the slab rib 10 and then curing;
step five: hoisting construction of an ALC prefabricated shear wall; after prefabricating batch ALC precast shear walls in a factory, carrying out hoisting construction on a transportation site, hoisting each ALC precast shear wall to a corresponding position, enabling a worker to insert the other end of each support rod 19 into the transverse steel bar 5 of the other ALC precast shear wall by moving one end of each support rod 19, grouting through a grouting opening 18, thereby realizing connection of the whole ALC precast shear half wall, enabling the worker to compress a spring 21 by pressing the support rods 19, inserting the transverse steel bars 5 of the other ALC precast shear half wall into a grouting sleeve 7, releasing the pressing part of the support rods 19, locking pins of the support rods 19 into the transverse steel bars 5 of the other ALC precast shear half wall due to the extension force of the springs 21, and performing subsequent grouting and other operations; and then the upper and lower ALC precast shear half walls are connected through the connecting plates 17, so that the connection and fixation of the whole ALC precast shear wall are realized.
Step six: a waterproof post-pouring tank 6; after the grouting sleeve 7 reaches the stress condition, the waterproof post-pouring groove 6 at the top of the ALC precast shear wall is subjected to waterproof operation, and the SBS waterproof coiled material is divided into 3mm thick SBS waterproof coiled material and 4mm SBS coiled material, and specifically comprises the following components: firstly, performing additional layer treatment on the joint by using a 3 mm-thick SBS waterproof coiled material, then fully paving the waterproof post-pouring groove 6 by using a 4 mm-thick SBS coiled material, coating the upward reverse facing joint by using a waterproof coating 9 from the upper reverse to the lower part of the inner hanging lug, ensuring the waterproof performance, and then performing concrete pouring on the waterproof post-pouring groove 6.
In the first step, when the profiled steel sheet 1 and the plate rib 10 are manufactured, the prefabricated annular holes 25 for penetrating the transverse reinforcing bars 5 are provided on the profiled steel sheet 1 and the plate rib 10, so that the coaxiality of the transverse reinforcing bars 5 can be maintained.
In the sixth step, when the concrete of the waterproof post-pouring groove 6 is poured, the concrete is slightly vibrated when the concrete is poured, so that the waterproof layer is ensured not to be separated from the profiled steel sheet 1.
The profiled steel sheet 1 wraps the ALC plate 2, so that the ALC plate 2 is not easy to damage in the process of carrying and installing, no problem can be caused during installation, and the construction efficiency is improved.
According to the invention, the waterproof post-pouring groove 6 is arranged, the 3mm thick SBS waterproof coiled material is used for carrying out additional layer treatment on the joint, the post-pouring groove is fully paved by the 4mm thick SBS coiled material, the upper part is reversed to the lower part of the inner hanging lug, and the upper part is reversed to the upper part and the lower part of the upper part is coated by the polyurethane coating, so that the waterproof performance is ensured, and the leakage problem at the joint of the shear wall is avoided.
According to the invention, the profiled steel sheet 1 is used as a pouring bottom template, the stress performance of the profiled steel sheet 1 is optimized by combining the steel bar trusses 4, the transverse steel bars 5 are connected through the reserved holes, the profiled steel sheet 1 loses the bearing capacity due to poor fire resistance in the case of fire, the steel bar trusses 4 can be continuously used as a stress structure to bear load, and meanwhile, the functionality of the ALC plate 2 can be continuously maintained.
According to the invention, the proportion of the ALC plate 2 to the concrete slab 3 is adjusted according to different pouring proportions of requirements, the ALC plate 2 with different thickness is adopted as the filling of the profiled steel sheet 1 according to different heat insulation requirements, the concrete slab 3 with a certain thickness is poured on the upper part to form a prefabricated two-way plate, and the arrangement of the transverse steel bars 5 can be adjusted according to different stress conditions, so that the matching of the most saved materials is achieved, and the prefabricated one-way plate is formed and is suitable for different construction occasions.
The ALC prefabricated shear wall is prefabricated in a factory, is transported to the site for modularized assembly, and is only provided with a small section at the position where the plates are connected, the position where the on-site pouring is needed after the waterproof layer is finished, and the position where the module is connected with the module are needed to be grouted, so that the assembly degree is higher.
According to the invention, the proportion of concrete to ALC can be adjusted according to actual conditions, and the problem that the ALC plate 2 is easy to leak at the splicing position is solved better. The optimized steel bar truss 4 strengthens the stress performance of the profiled steel sheet 1, the transverse steel bars 5 penetrate through the rib parts of the profiled steel sheet 1, the rib parts of the profiled steel sheet 1 can be clamped, the phenomenon that the rib stress is open is avoided, the assembly degree of the shear wall is higher, the on-site large-area pouring is avoided, the pollution is reduced, and the efficiency is improved.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (3)
1. An ALC prefabricated shear wall, its characterized in that: the hydraulic self-locking type hydraulic self-locking shear wall comprises two ALC prefabricated shear half walls, wherein the ALC prefabricated shear half walls are connected into an integrated structure through connecting plates (17); the ALC precast shear semi-wall comprises a profiled steel sheet (1) and transverse steel bars (5), wherein a plurality of plate ribs (10) are arranged on the inner side of the profiled steel sheet (1), a steel bar truss (4) is arranged between two adjacent plate ribs (10), the transverse steel bars (5) penetrate through the plate ribs (10), and two ends of the transverse steel bars (5) are welded on two sides of the inner wall of the profiled steel sheet (1); a rectangular frame (8) is arranged at the bottom of each plate rib (10); the steel bar truss (4) is welded on the profiled steel sheet (1); an ALC plate (2) is arranged in the profiled steel sheet (1), and a concrete slab (3) is arranged on the ALC plate (2); locking structures which are uniformly distributed are arranged in the steel bar truss (4), and the lower ends of the locking structures are fixedly connected with the rectangular frames (8); a grouting sleeve (7) is arranged at the end part of the transverse steel bar (5), one end of the grouting sleeve (7) extends to the inner side of the profiled steel sheet (1), and the other end of the grouting sleeve (7) extends to the outer side of the profiled steel sheet (1); when the two profiled steel sheets (1) are in butt joint, the grouting sleeve (7) is sleeved on the extending transverse steel bars (5); one end of the grouting sleeve (7) is fixedly connected with a grouting opening (18), one end, far away from the grouting opening (18), of the grouting sleeve (7) is provided with a clamping structure, the clamping structure comprises a long lifting lug (22), the lower end of the long lifting lug (22) is fixedly connected with the grouting sleeve (7), two short lifting lugs (23) which are symmetrically distributed are arranged at two ends of the long lifting lug (22), rotating pins (24) are inserted inside the long lifting lug (22) and the short lifting lug (23), and the long lifting lug (22) is hinged with the short lifting lug (23) through the rotating pins (24); the upper end of the short lifting lug (23) is fixedly connected with a supporting rod (19), the lower end of one side of the supporting rod (19) is fixedly connected with a spring (21), the lower end of the spring (21) is fixedly connected with a grouting sleeve (7), one end, far away from the spring (21), of the supporting rod (19) is inserted into a slotted hole of a transverse steel bar (5), the supporting rod (19) is inserted into a conical hole (20), and the conical hole (20) is arranged at the upper end of the grouting sleeve (7); a plurality of prefabricated hole rings (25) are inserted in the plate ribs (10), and transverse reinforcing steel bars (5) are transversely placed and pass through the prefabricated hole rings (25) and are welded and fixed; the locking structure comprises an inner hexagonal knob (12), and the inner hexagonal knob (12) is rotatably connected to the inside of the steel bar truss (4); the inner fixed connection pivot (13) of interior hexagonal knob (12), the outside of pivot (13) is equipped with a plurality of evenly distributed's fixed block (14) the one end of keeping away from pivot (13) of fixed block (14) is equipped with lug (15) and fixed connection, lug (15) alternate in symmetrical distribution's web member post (16), web member post (16) alternate in steelframe truss (4) and contact connection, the one end of keeping away from pivot (13) of web member post (16) welds two symmetrical distribution's web member (11), the one end of keeping away from pivot (13) of web member (11) is welded on rectangular frame (8), the upper end of reinforcing bar truss (4) is equipped with bolt (26) and sliding connection, bolt (26) contact connection fixed block (14).
2. The method for manufacturing the ALC prefabricated shear wall according to claim 1, wherein the method comprises the following steps of: the method comprises the following steps:
step one: the thickness of the ALC precast shear wall is equal to the sum of the heights of the steel plates at two sides of the two profiled steel plates (1) and the height of one connecting plate (17), and the height of the plate rib (10) is smaller than the thickness of the ALC precast shear half wall;
step two: placing a steel bar truss (4) between two adjacent plate ribs (10), welding the steel bar truss (4) on a profiled steel plate (1), inserting a plurality of web members (16) at the lower end of the steel bar truss (4), tightly screwing an inner hexagonal knob (12) to enable a lug (15) to clamp the steel bar truss (4), inserting a bolt (26) to fix the web members (16), and welding a web member (11) on a rectangular frame (8); the transverse steel bars (5) pass through the preformed holes on the profiled steel sheet (1) and the plate ribs (10) and are welded at the perforated positions; pouring a grouting sleeve (7) at the end part of the transverse steel bar (5), fixing the grouting sleeve (7) on a side plate of the profiled steel plate (1), extending one end of the grouting sleeve to expose the outer side of the profiled steel plate (1), rotating an inner hexagonal knob (12), rotating the inner hexagonal knob (12) to drive a rotating shaft (13) to rotate, rotating the rotating shaft (13) to drive a fixing block (14) to rotate in a steel bar truss (4), rotating the fixing block (14) to drive a lug (15) to clamp a web member column (16) in the steel bar truss (4), and locking the fixing block (14) by inserting a bolt (26) to prevent loosening;
step three: after the arrangement of the steel bar truss (4) and the transverse steel bars (5) is finished, pouring the ALC plate (2), and performing steam curing on the ALC plate (2) after pouring;
step four: pouring the concrete slab (3) to the topmost end of the slab rib (10) and then curing;
step five: hoisting construction of an ALC prefabricated shear wall; after prefabricating a batch of ALC precast shear walls, carrying out hoisting construction on a transportation site, hoisting each ALC precast shear wall to a corresponding position, moving one end of a supporting rod (19) to enable the other end of the supporting rod (19) to be inserted into a transverse steel bar (5) of the other ALC precast shear wall, grouting through a grouting opening (18), so that the whole ALC precast shear half wall is connected, compressing a spring (21) by pressing the supporting rod (19), inserting the transverse steel bar (5) of the other ALC precast shear half wall into a grouting sleeve (7), releasing the pressing part of the supporting rod (19), locking a pin of the supporting rod (19) into the transverse steel bar (5) of the other ALC precast shear half wall due to the extension force of the spring (21), and performing subsequent grouting and other operations; the upper ALC precast shear half wall and the lower ALC precast shear half wall are connected through a connecting plate (17), so that the connection and fixation of the whole ALC precast shear wall are realized;
step six: and when the grouting sleeve (7) reaches a stress condition, performing waterproof operation on the waterproof post-pouring groove (6) at the top of the ALC precast shear wall.
3. The method for manufacturing the ALC prefabricated shear wall according to claim 2, wherein: the sixth step specifically comprises the following steps: firstly, performing additional layer treatment on the joint by using a 3 mm-thick SBS waterproof coiled material, then fully paving a waterproof post-pouring groove (6) by using a 4 mm-thick SBS coiled material, coating the upward reverse facing joint by using a waterproof coating (9) under the hanging lugs in the upward reverse direction, and then performing concrete pouring on the waterproof post-pouring groove (6).
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| CN202210477899.0A CN115110664B (en) | 2022-04-29 | 2022-04-29 | ALC prefabricated shear wall and manufacturing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| FR2702505A1 (en) * | 1993-02-12 | 1994-09-16 | Villain Sa | Sealing device for a partition in industrial premises |
| AU2004222848A1 (en) * | 2003-10-27 | 2005-05-12 | Intedev Pty Ltd | Expansion Joint Closure |
| KR100776242B1 (en) * | 2006-12-15 | 2007-11-16 | 장혁수 | Concrerte pannel and waterproofing apparatus and method of therein |
| CN201687102U (en) * | 2010-06-04 | 2010-12-29 | 北京万科企业有限公司 | Assembled integral type shear wall structure system |
| US10533317B2 (en) * | 2018-04-25 | 2020-01-14 | Arconic Inc. | Curtain wall expansion joint |
| CN110093997B (en) * | 2019-05-14 | 2020-06-05 | 山东大学 | Prefabricated sandwich heat-insulation composite concrete shear wall and preparation method and application thereof |
| CN212427662U (en) * | 2020-05-14 | 2021-01-29 | 广东中都建筑集团有限公司 | Partition plate's installation clamping device |
| CN214614813U (en) * | 2021-02-25 | 2021-11-05 | 西安建筑科技大学 | Steel wire mesh grouting material curb plate exempts from to tear open mould steel bar truss superimposed shear wall |
| CN113235791A (en) * | 2021-03-31 | 2021-08-10 | 盐城工学院 | Assembled floor that can splice |
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