CN205954921U - Novel big board shear wall structure is secretly supported in bolted connection's prefabricated assembled area - Google Patents

Novel big board shear wall structure is secretly supported in bolted connection's prefabricated assembled area Download PDF

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Publication number
CN205954921U
CN205954921U CN201620086226.2U CN201620086226U CN205954921U CN 205954921 U CN205954921 U CN 205954921U CN 201620086226 U CN201620086226 U CN 201620086226U CN 205954921 U CN205954921 U CN 205954921U
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shear wall
prefabricated
plate
breach
steel plate
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CN201620086226.2U
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汪梦甫
刘泽龙
邹同球
汪帜辉
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Hunan University
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Hunan University
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Abstract

The utility model discloses a novel big board shear wall structure is secretly supported in bolted connection's prefabricated assembled area, secretly support big board of reinforced concrete and cast in situ concrete including upper and lower prefabricated area, the area is secretly supported the big board of reinforced concrete and is included provided groove mouth, two jiaos of breachs, protruding type breach, steel wire mesh sheet, distribution bar, the vertical muscle of sleeper and stirrup, square steel tube, X -shaped steel sheet bracing and inside and outside connector plates, two jiaos of breachs of lower extreme have the vertical distribution reinforcing bar, and there are steel wire mesh sheet, outer connector plates in protruding type breach region, contain the interior connector plates and the vertical distribution reinforcing bar of tapping screw, two jiaos of breachs insert the shear force wall crown end provided groove of lower floor mouth through the indirect overlap joint of upper and lower two -layer vertical reinforcement, the protruding type breach zone passage in middle part upper strata shear force wall, regard as the nut with interior connector plates, adopt high strength bolt to connect inside and outside connector plates, this vertical connection wholeness is better, and it is simple and convenient to be under construction, and bearing capacity improves by a wide margin, makes the structure can produce the weak component effect of obvious strong joint.

Description

The big plate shear wall structure of prefabricated assembled band concealed bracings that a kind of Novel bolt connects
Technical field
The utility model belongs to prefabricated building structure field, is related to pre-fabricated building construction, relates generally to prefabricated big plate and cut Power wall construction system, the big plate shear wall structure of prefabricated assembled band concealed bracings connecting particularly to a kind of Novel bolt.
Background technology
Prefabricated assembled concrete structure mainly adopts prefabricated or semi-precast beam post, floor and wallboard at present, by scene Construction is assembled, pour part concrete, forms main force structure.This structural system has modularized production, mechanization is applied The feature of work, build guality is high, and speed of application is fast, can be effectively saved resource, environmental protection, may advantageously facilitate holding of society Supervention exhibition.Current Domestic research focuses primarily upon pre-fabricated one field, prefabricated assembled Seismic Property of Shear Wall Structures The research of aspect is more rare;Ensure that the key of prefabricated assembled Seismic Property of Shear Wall Structures is mainly reflected in node and connects structure Make the aspects such as the design of measure;The connected mode of the prefabricated assembled shear wall structure of tradition mainly has:Reinforcing bar and the high-strength spiral shell of steel plate Tether connect, straight screw sleeve connection (containing shear connector), angle steel solder design, local unbonded reinforcement sleeve connection, reinforcing bar and steel pipe Bolt connection and prestressing force connection etc.;Existing experimental study shows, the antidetonation of fabricated shear wall under these connected modes Performance all compares well, but is eventually still indirectly connected with, and integral cast-in-situ formula shear wall structure compares, and still performance egress connects The shortcomings of connect weakness.
With the increase of structure height, the thickness of traditional prefabricated assembled shear wall also can increase, and leads to this kind of prefabricated dress Join the deadweight of formula shear wall to increase, be unfavorable for transporting and lift, to the ductility under the bearing capacity and geological process of raising structure More unfavorable;And, traditional prefabricated assembled shear wall structure does not set sleeper, side column, and anti-vibration defense lines are single.
In traditional prefabricated assembled big plate shear wall upper and lower wall piece bolt connection, commonly used common high-strength bolt, with Screw rod and the steel plate connector of the nut upper and lower two panels shear wall of connection, connector quantity is more, and construction method is relatively complicated, unfavorable In large-scale promotion application.
Content of the invention
The utility model is directed to the deficiencies in the prior art it is proposed that the prefabricated assembled band that a kind of Novel bolt connects secretly props up Support big plate shear wall structure;This kind of big plate shear wall structure, by the big plate of upper and lower prefabricated band concealed bracings armored concrete, is spelled at the scene Cast-in-place normal concrete composition after dress;The big plate of this kind of prefabricated band concealed bracings armored concrete is by prefabricated reinforced concrete wall panel, top The reserved notch in end, two jiaos of lower end breach, convex breach, horizontal distribution reinforcing bar, vertical distribution bar, lower end welded bands in the middle part of lower end The interior junction steel plate of tapping screw, the outer junction steel plate of epimere welded bands connecting screw hole, high-strength bolt, sleeper indulge muscle, sleeper hoop Muscle, square steel tube, X-shaped steel plate diagonal brace and steel fabric sheet composition;The big plate of this kind of prefabricated band concealed bracings armored concrete contains sleeper, and secretly Post core contains square steel tube, and square steel tube is welded to connect with X-shaped steel plate diagonal brace in wallboard, and square steel tube forms reinforcing bar with X-shaped steel plate diagonal brace Frame, and bar-mat reinforcement and the common stress of concrete;Obviously, this kind of steel skeleton can improve holding of prefabricated assembled big plate shear wall Loading capability, the thickness of thinning this prefabricated components, effectively mitigate dead load in high-level structure such that it is able to apply, meanwhile, It is anti-that the setting of this kind of steel skeleton makes the prefabricated assembled big plate shear wall of only single anti-vibration defense lines originally have multiple tracks antidetonation Line;And, setting steel wire in setting two jiaos of lower end breach and convex breach and top notch, convex breach in shear wall Piece, the interior junction steel plate containing tapping screw is considered as nut, using junction steel plate and outer junction steel plate in high-strength bolt connection, this Construction can be effectively ensured the globality of prefabricated assembled big plate shear wall connecting node up and down it is ensured that being reliably connected;It can be seen that, this kind Prefabricated assembled band concealed bracings big plate shear wall node connects reliability, and the preferably strong weak structure of node can occur under geological process Part effect.
The utility model is achieved through the following technical solutions:
The big plate shear wall structure of prefabricated assembled band concealed bracings that a kind of Novel bolt connects, including setting with concealed bracings The big plate of armored concrete, and cast-in-place normal concrete;
The big plate of the described armored concrete with concealed bracings, big plate is prefabricated in the factory and completes;
The big plate of the described armored concrete with concealed bracings, the built-in X-shaped steel plate diagonal brace with shearing resistance nail of big plate;
The big plate of the described armored concrete with concealed bracings, big plate both sides set sleeper, and sleeper core sets square steel tube;
The big plate of the described armored concrete with concealed bracings, big top of the plate end sets reserved notch, reserves vertical distributing reinforcement, vertical steel Weld outer junction steel plate in the middle part of muscle, outer junction steel plate center sets connecting screw hole, preset level distribution bar, horizontal distribution reinforcing bar and Outer junction steel plate welding;
The big plate of the described armored concrete with concealed bracings, big plate lower end sets two jiaos of breach, reserved horizontal distribution reinforcing bar and perpendicular To distribution bar;
The top of described square steel tube is internally welded with ribbed stiffener, and ribbed stiffener stretches out the prefabricated big board wall body of lower floor and inserts Certain distance in the prefabricated big board wall body square steel tube of layer;
The big plate of the described armored concrete with concealed bracings for the upper and lower two-layer, in its X-shaped steel plate diagonal brace and sleeper, square steel tube adopts L Angle steel welds;
The big plate of the described armored concrete with concealed bracings, reserves convex breach in lower end central region, and convex indentation, there is pre- Stay vertical distribution bar, junction steel plate in vertical distribution bar welding, interior junction steel plate center sets tapping screw, in wallboard convex The internal pre-buried steel fabric sheet of breach;
Described prefabricated assembled band concealed bracings big board wall body is between the vertical distribution bar of the upper and lower two-layer of two jiaos of lower end indentation, there Connect overlap joint;
Described prefabricated assembled band concealed bracings big board wall body convex gap regions in the middle part of lower end are passed through upper strata shear wall and are inserted Enter lower floor's shear wall top notch positioning, the interior junction steel plate containing tapping screw is considered as nut, passed through using high-strength bolt outer The tapping screw of the connecting screw hole of junction steel plate and interior junction steel plate is tightened, by junction steel plate in upper strata and junction steel plate outside lower floor Connect;
Described prefabricated assembled band concealed bracings big board wall body is all filled with two jiaos of lower end breach and middle part convex gap regions Normal concrete, forms an entirety.
Preferably, described fill concrete adopts microdilatancy type self-flowing dense concrete, this kind of concrete can improve New-old concrete interface switching performance.
Preferably, the described big plate both sides of the armored concrete with concealed bracings sleeper core sets H profile steel or round steel pipe.
A kind of construction method of the big plate shear wall bolt interconnection technique of above-mentioned prefabricated band concealed bracings, comprises the following steps:
The first step:Transport to being prefabricated in the factory and reaching the prefabricated band concealed bracings assembled large panel shear wall of design strength In-site installation positions and fixes temporarily, will be in place for prefabricated assembled for upper strata band concealed bracings big plate shear wall lifting, and embedded lower floor is pre- The top of shear wall processed is reserved in notch, simultaneously by ribbed stiffener insertion upper strata two jiaos of breach of shear wall in lower floor's shear wall square steel tube In the square steel tube at place, and it is welded up and down;
Second step:Will be indirect with the vertical distribution bar in upper strata for the vertical distribution bar of lower floor of two jiaos of indentation, there of precast shear wall Overlap joint, passes through the connecting screw hole of outer junction steel plate to tighten with the tapping screw of interior junction steel plate using high-strength bolt, by upper strata Junction steel plate is connected with junction steel plate outside lower floor;
3rd step:In two jiaos of breach of precast shear wall and middle part convex indentation, there formwork, then convex to two jiaos of breach, middle parts Pour normal concrete in type breach and square steel tube, treat that cast-in-place concrete maintenance finishes, complete a typical case prefabricated assembled Making with concealed bracings big plate shear-wall element.
Compared with cast-in-situ steel reinforced concrete shear wall structure, the utility model major part component is all prefabricated in the factory production, Assembled after-pouring necessary concrete, plant produced efficiency high on a small quantity at the scene again, and ensure that making precision and quality, green Environmental protection;With the prefabricated construction of the existing interconnection technique prefabricated assembled big plate shear wall especially with existing interconnection technique Structure is compared, the big plate shear wall structure of prefabricated assembled band concealed bracings that Novel bolt of the present utility model connects, and it is upper and lower perpendicular Connect more reliable to node, more preferably, construction is more easy for globality, and connector quantity reduces substantially, and node and steel skeleton Formed overall, so that shear wall bearing capacity is significantly improved, be effectively thinned the thickness of shear wall, there is obvious multiple tracks simultaneously again Anti-vibration defense lines, show good under geological process.
Brief description
Fig. 1 is after the utility model upper strata prefabricated panel positions colligation necessity reinforcing bar and completes inside and outside junction steel plate connection Axle side schematic diagram.
Fig. 2 is that the prefabricated assembled positive facade with concealed bracings big plate shear wall bolt connecting node of the utility model one shows It is intended to.
Fig. 3 is the 1-1 generalized section of Fig. 2;
Fig. 4 is the 2-2 generalized section of Fig. 2.
Fig. 5 is a piece of prefabricated assembled generalized section with concealed bracings big plate shear wall wallboard of the utility model;
Fig. 6 is convex gap regions bolt connection section in the middle part of the utility model prefabricated assembled band concealed bracings big plate shear wall Generalized section before point assembling;
Fig. 7 is convex gap regions bolt connection section in the middle part of the utility model prefabricated assembled band concealed bracings big plate shear wall Generalized section after point assembling.
Fig. 8 is a piece of prefabricated assembled axle side schematic diagram with concealed bracings reinforced concrete wall panel of the utility model.
Fig. 9 be the utility model steel pipe with X-shaped steel plate diagonal brace node be welded to connect schematic diagram;
Figure 10 be the utility model steel pipe with X-shaped steel plate diagonal brace be welded to connect generalized section.
Figure 11 is that a piece of prefabricated assembled big plate shear wall axle side having poured connecting node of the utility model is illustrated Figure.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
The big plate shear wall structure of prefabricated assembled band concealed bracings that one Novel bolt connects, including setting with concealed bracings The big plate of armored concrete 3, and cast-in-place concrete 16;
The big plate of the described armored concrete with concealed bracings, the built-in X-shaped steel plate diagonal brace 8 following closely 9 steel plates with shearing resistance of big plate;
The big plate of the described armored concrete with concealed bracings, big plate both sides set sleeper, and sleeper core sets square steel tube 12;
The big plate of the described armored concrete with concealed bracings, big top of the plate end sets reserved notch 19, reserves vertical distribution bar 1, Vertical distribution bar 1 middle part is by the outer junction steel plate 5 of continuous two-sided fillet weld seam, preset level distribution bar 2, horizontal distribution Reinforcing bar is connected with outer junction steel plate 5 by two-sided continuous fillet weld, and outer junction steel plate 5 center sets connecting screw hole 20;
The big plate of the described armored concrete with concealed bracings, big plate lower end sets two jiaos of breach 15, reserves vertical distribution bar 1;
The top of described square steel tube 12 is internally welded with ribbed stiffener 13, and ribbed stiffener 13 stretches out the prefabricated big board wall body of lower floor simultaneously Stretch into the prefabricated big board wall body certain distance in upper strata;
The big plate of the described armored concrete with concealed bracings, reserves convex breach 4, convex breach 4 wall in lower end central region The pre-buried steel fabric sheet of intralamellar part 18;
The big plate of the described armored concrete with concealed bracings, reserves vertical distribution bar 1, vertically at lower end convex breach 4 Distribution bar 1 passes through junction steel plate 6 in continuous two-sided fillet weld seam, and interior junction steel plate 6 center sets tapping screw 21;
Described prefabricated assembled band concealed bracings big board wall body passes through convex breach 4 region in the middle part of the shear wall of upper strata and inserts lower floor Shear wall top is reserved notch 19 and is positioned, and the interior junction steel plate 6 of screw containing tapping 21 is considered as nut, is worn using high-strength bolt 7 The tapping screw 21 of the connecting screw hole 20 and interior junction steel plate 6 of crossing outer junction steel plate 5 is tightened, by junction steel plate in upper strata 6 with The outer junction steel plate 5 of layer connects;
The big plate of the described armored concrete with concealed bracings, in its X-shaped steel plate diagonal brace 8 and sleeper, square steel tube 12 adopts L-angle steel 14 welding.
The first step:Be prefabricated in the factory the assembled large panel with concealed bracings, and big top of the plate end sets reserved notch 19, big plate lower end two Angle band jagged 15, and lower end middle part reserve convex breach 4, prefabricated first with shearing resistance nail 9 X-shaped steel plate diagonal brace 8, weldering It is connected to square steel tube 12, the outer junction steel plate 5 with connecting screw hole 20 and the interior connection with tapping screw 21 of ribbed stiffener 13 Steel plate 6, then colligation horizontal reinforcement 2 and vertical reinforcement 1, and sleeper are indulged muscle 10 and sleeper stirrup 11 and are made steel reinforcement cage, under End middle part convex indentation, there metal binding wire mesh sheet 18, insertion X-shaped steel plate diagonal brace 8 and square steel tube 12, are then welded with L-angle steel 14 X-shaped steel plate diagonal brace 8 and the node of square steel tube 12, weld outer junction steel plate 5 in upper end vertical reinforcement 1 central region, connect outside Weld horizontal reinforcing bar 2 at steel plate 5, junction steel plate 6 in welding at lower end convex gap regions vertical reinforcement 1, in square steel tube 12 Not casting concrete when prefabricated, reinforcing bar and steel skeleton make and finish rear formwork, reserve necessity breach, casting concrete forms pre- Assembled band concealed bracings reinforced concrete wall panel processed.
Second step:Transport to being prefabricated in the factory and reaching the prefabricated band concealed bracings assembled large panel shear wall of design strength In-site installation positions and fixes temporarily, will be in place for prefabricated assembled for upper strata band concealed bracings big plate shear wall lifting, and embedded lower floor is pre- The top of shear wall processed is reserved in notch 19, the ribbed stiffener 13 of lower floor's shear wall is inserted two jiaos of breach 15 of upper strata shear wall simultaneously In the square steel tube 12 at place, and it is welded up and down, the vertical distribution bar of lower floor 1 at two jiaos of breach 15 is vertically distributed steel with upper strata Muscle 1 overlaps indirectly, passes through the connecting screw hole 20 of outer junction steel plate 5 and the tapping screw 21 of interior junction steel plate 6 using high-strength bolt 7 Tighten, junction steel plate in upper strata 6 is connected with junction steel plate outside lower floor 5.
3rd step:Formwork at two jiaos of breach 15 and middle part convex breach 4, then lacks to two jiaos of breach 15, middle part convexs Pour normal concrete 16 in mouth 4 and square steel tube 12, treat that cast-in-place concrete 16 maintenance finishes, complete a typical prefabrication and assembly construction The making with concealed bracings big plate shear-wall element for the formula.
It should be pointed out that for those skilled in the art, before without departing from the utility model principle Put, some improvements and modifications can also be made, these improvements and modifications also should be regarded as protection domain of the present utility model.

Claims (8)

1. the big plate shear wall structure of prefabricated assembled band concealed bracings that a kind of Novel bolt connects, this structure includes upper and lower prefabricated The band big plate of concealed bracings armored concrete and cast-in-place concrete;Described band the big plate of concealed bracings armored concrete include prefabricated panel, Notch is reserved at top, two jiaos of lower end breach, convex breach in the middle part of lower end, steel fabric sheet, distribution bar, sleeper indulge muscle and stirrup, Square steel tube, X-shaped steel plate diagonal brace, inside and outside junction steel plate;Described band concealed bracings armored concrete big plate square steel tube and X-shaped steel plate diagonal brace Steel skeleton is welded into by L-angle steel, and bar-mat reinforcement and the common stress of concrete;Described square steel tube top tape ribbed stiffener and stretching into Layer square steel tube certain distance;The two jiaos of breach in described lower end have vertical distribution bar, and convex gap regions have steel fabric sheet, containing connection The outer junction steel plate of screw, the interior junction steel plate containing tapping screw and vertical distribution bar;Described two jiaos of breach pass through upper and lower two Layer vertical reinforcement overlaps indirectly, and middle part convex gap regions are passed through upper strata shear wall and inserted the reserved notch in lower floor's shear wall top, Then interior junction steel plate is considered as nut, using junction steel plate inside and outside high-strength bolt connection;Then convex in two jiaos of breach and middle part Type indentation, there formwork, pours normal concrete into two jiaos of breach, middle part convex breach and square steel tube.
2. the big plate shear wall structure of prefabricated assembled band concealed bracings that Novel bolt according to claim 1 connects, it is special Levy and be, the prefabricated assembled band big plate of concealed bracings armored concrete is prefabricated in the factory production, and top is reserved with vertical distribution bar And reserve notch, weld outer junction steel plate in the middle part of vertical distribution bar, outer junction steel plate center sets connecting screw hole.
3. the big plate shear wall structure of prefabricated assembled band concealed bracings that Novel bolt according to claim 1 connects, it is special Levy and be, prefabricated assembled band concealed bracings armored concrete big plate lower end Dai Liang angle breach, breach is reserved with vertical distribution bar.
4. the big plate shear wall structure of prefabricated assembled band concealed bracings that Novel bolt according to claim 1 connects, it is special Levy and be, prefabricated assembled band concealed bracings armored concrete big plate lower end central region is reserved with convex breach, and indentation, there is prefabricated The internal pre-buried steel fabric sheet of wallboard, outside reserved vertical distribution bar, junction steel plate in welding at vertical distribution bar, interior connection Steel plate center sets tapping screw.
5. the big plate shear wall structure of prefabricated assembled band concealed bracings that Novel bolt according to claim 1 connects, it is special Levy and be, two jiaos of lower end gap regions are overlapped indirectly by the vertical distribution bar of upper and lower two-layer shear wall, middle part convex breach Region, by upper strata shear wall insertion lower floor's shear wall top notch, interior junction steel plate is considered as nut, is passed through using high-strength bolt The tapping screw of the connecting screw hole of outer junction steel plate and interior junction steel plate is tightened, and junction steel plate in upper strata is connected steel with outside lower floor Plate connects.
6. the big plate shear wall structure of prefabricated assembled band concealed bracings that Novel bolt according to claim 1 connects, it is special Levy and be, the prefabricated assembled band big plate of concealed bracings armored concrete carries sleeper, and sleeper core is square steel tube, and square steel tube is pre- Make insertion during big plate, and not casting concrete in square steel tube when prefabricated.
7. the big plate shear wall structure of prefabricated assembled band concealed bracings that Novel bolt according to claim 1 connects, it is special Levy and be, the square steel tube inside top in the prefabricated assembled big plate with concealed bracings armored concrete is welded with ribbed stiffener, and puts more energy into Rib stretches out insertion upper strata square steel bottom of the tube after the certain distance of square steel tube top.
8. the big plate shear wall structure of prefabricated assembled band concealed bracings that Novel bolt according to claim 1 connects, it is special Levy and be, the armored concrete big board wall body of two jiaos of breach is prefabricated, and two jiaos of gap regions and middle part convex gap regions are cast-in-place, X-shaped steel plate diagonal brace and square steel tube is interior all when prefabricated buries, forms pre- after support mold pouring normal concrete after body of wall joint connection in site The big plate shear wall of assembled band concealed bracings processed is overall.
CN201620086226.2U 2016-01-28 2016-01-28 Novel big board shear wall structure is secretly supported in bolted connection's prefabricated assembled area Active CN205954921U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111519826A (en) * 2020-07-02 2020-08-11 中国船舶重工集团国际工程有限公司 Assembly type stiff concrete shear wall structure with embedded connecting steel plates and manufacturing method
CN113202211A (en) * 2021-05-11 2021-08-03 陕西省建筑设计研究院(集团)有限公司 Construction method of assembled oblique steel plate mesh cast-in-place concrete shear wall
CN113431412A (en) * 2021-07-01 2021-09-24 重庆大学 Assembled double-layer corrugated steel plate composite shear wall and splicing method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111519826A (en) * 2020-07-02 2020-08-11 中国船舶重工集团国际工程有限公司 Assembly type stiff concrete shear wall structure with embedded connecting steel plates and manufacturing method
CN111519826B (en) * 2020-07-02 2020-10-27 中国船舶重工集团国际工程有限公司 Assembly type stiff concrete shear wall structure with embedded connecting steel plates and manufacturing method
CN113202211A (en) * 2021-05-11 2021-08-03 陕西省建筑设计研究院(集团)有限公司 Construction method of assembled oblique steel plate mesh cast-in-place concrete shear wall
CN113431412A (en) * 2021-07-01 2021-09-24 重庆大学 Assembled double-layer corrugated steel plate composite shear wall and splicing method thereof

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