CN204225283U - The assembled syndeton of assembly concrete frame structure Shear-wall Connecting Beam Used - Google Patents
The assembled syndeton of assembly concrete frame structure Shear-wall Connecting Beam Used Download PDFInfo
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- CN204225283U CN204225283U CN201420657677.8U CN201420657677U CN204225283U CN 204225283 U CN204225283 U CN 204225283U CN 201420657677 U CN201420657677 U CN 201420657677U CN 204225283 U CN204225283 U CN 204225283U
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Abstract
The utility model relates to prefabricated concrete structure field, is specially a kind of assembled syndeton of assembly concrete frame structure Shear-wall Connecting Beam Used.Arranging between coupling beam between prefabricated coupling beam and precast shear wall or with the shear wall of half bridging beam is in the milk stitches, equivalent reinforcing bar carries out Liang Qiang or Liang Liang and connects.The coupling beam reserving hole of prefabricated coupling beam, precast shear wall or the shear wall with half bridging beam, spiral stirrup is arranged in advance around hole, equivalence reinforcing bar is through above-mentioned reserving hole, the grouting seam between above-mentioned reserved horizontal hole and Liang Qiang or beam beam is filled up by perfusion microdilatancy mortar, make prefabricated coupling beam, precast shear wall and equivalent reinforcing bar or be integrated with the Shear-wall Connecting Beam Used of half bridging beam and equivalent reinforcing bar consolidation, realizing the connection of prefabricated coupling beam and precast shear wall or the Shear-wall Connecting Beam Used with half bridging beam.The utility model reduces construction costs to a great extent, reduces cast-in-place concrete wet trade to a great extent simultaneously.
Description
[technical field]
The utility model relates to prefabricated concrete structure field, be specially a kind of assembled syndeton of assembly concrete frame structure Shear-wall Connecting Beam Used, the assembled system of fractionation with coupling beam shear wall in the assembly concrete frame structure be particularly made up of prefabricated coupling beam, dry wall or prefabricated prefabricated band Liang Qiang, component connecting structure, the works built by this assembled system and connecting structure.
[background technology]
Frame shear wall structure, referred to as frame structure, primary structure is framework and shear wall, and its middle frame is made up of beam column, and shear wall disposal is in part frame, and shear wall is for increasing the flat weight bearing power of integrally-built water resistant.Frame structure is applicable to plane or vertically arranges the highrise building numerous and diverse, horizontal loading is large.The prior art of prefabricated concrete structure is limited to pure frame structure and shear wall structure more, the technology of assembly concrete frame structure is less, only patent " the assembled syndeton of assembly concrete Frame-Shear Wall and assembled method of attachment ", the structure also not relating to wherein Shear-wall Connecting Beam Used splits assembled structure and method of attachment.
Because the coupling beam thickness of Shear Wall in Frame-Shear Wall Structures is less, with shear wall with thick, enough section area are not had to place sleeve, simultaneously due to frame structure center set a roof beam in place, the existence of frame column and shear wall, the assembly space of Shear-wall Connecting Beam Used is very limited, therefore be applicable to sleeve connection method that frame beam column is connected with Liang Liang, be applicable to the joint bar method of attachment that Vierendeel girder is connected with shear wall, be applicable to sleeve connection method etc. that levels shear wall is connected with shear wall and be not all suitable for this kind and connect.So far, there is no effective solution for the assembled syndeton of coupling beam in Shear Wall in Frame-Shear Wall Structures and assembled method of attachment, the coupling beam of concrete Shear Wall in Frame-Shear Wall Structures is mainly built by complete cast-in-place engineering method.Cast-in-place engineering method, concrete wet trade amount is large, and construction quality is difficult to ensure, long in time limit, is unfavorable for realizing energy-saving and emission-reduction.
[utility model content]
The purpose of this utility model is the assembled syndeton providing a kind of assembly concrete frame structure Shear-wall Connecting Beam Used, by adopting the rationally assembled system of effective fractionation and means of structural connection, reduce construction costs to a great extent, reduce cast-in-place concrete wet trade, improve construction quality, reduction of erection time, realize energy-saving and emission-reduction.
The technical solution of the utility model:
A kind of assembled syndeton of assembly concrete frame structure Shear-wall Connecting Beam Used, form structure by coupling beam, precast shear wall or the coupling beam with the shear wall of half bridging beam in precast shear wall and split assembled system, wherein: coupling beam in precast shear wall, hereinafter referred to as prefabricated coupling beam; Precast shear wall, hereinafter referred to as dry wall; The prefabricated shear wall with half bridging beam, hereinafter referred to as prefabricated band Liang Qiang; This assembled syndeton is one of following two kinds of form of structure:
(1) split at the two ends of coupling beam and shear wall link position, the dry wall making prefabricated coupling beam respectively and be connected with prefabricated coupling beam beam-ends, the dry wall be connected with a coupling beam is two panels altogether; Reserving hole in prefabricated coupling beam and dry wall component, around hole, spiral stirrup is set, equivalent reinforcing bar being set in hole, by pouring into microdilatancy mortar in prefabricated coupling beam and dry wall reserving hole and grouting seam, making prefabricated coupling beam, dry wall and equivalent bar connecting for overall;
(2) split in the span centre position of coupling beam, form the prefabricated shear wall with half bridging beam of two panels after splitting, i.e. prefabricated band Liang Qiang; In prefabricated band beam wall, reserving hole in coupling beam, arranges spiral stirrup around hole, arranges equivalent reinforcing bar in hole, by pouring into microdilatancy mortar in reserving hole in prefabricated band beam wall and grouting seam, prefabricated band Liang Qiang is connected for overall.
The assembled syndeton of described assembly concrete frame structure Shear-wall Connecting Beam Used, reserving hole in the coupling beam of prefabricated coupling beam, dry wall and prefabricated band Liang Qiang, the length of prefabricated coupling beam and a slice prefabricated band beam wall Hole is greater than 2 times of anchorage length of steel bar and is less than anchorage length of steel bar and adds grouting seam length, spiral stirrup is furnished with around hole, hole is for placing equivalent reinforcing bar, and spiral stirrup is for supporting hole and the microdilatancy mortar of the inner perfusion of constraint.
The assembled syndeton of described assembly concrete frame structure Shear-wall Connecting Beam Used, equivalence is end reinforced is welded with half nut, when half nut ensures perfusion microdilatancy mortar, the reinforcing bar be connected with half nut is positioned at hole center, and half nut makes equivalent reinforcing bar better be anchored in prefabricated units simultaneously.
The assembled syndeton of described assembly concrete frame structure Shear-wall Connecting Beam Used, the diameter of end reinforced half nut of equivalence is less than the diameter of hole, to ensure that equivalent reinforcing bar moves freely in hole, wherein half nut is that whole nut diametrically cuts, be symmetrically welded the end in equivalent reinforcing bar, during perfusion microdilatancy mortar, microdilatancy mortar flows through half nut, is full of whole hole.
The assembled syndeton of described assembly concrete frame structure Shear-wall Connecting Beam Used, at described prefabricated coupling beam beam-ends and dry wall place, horizontal fractionation is set, and the two is connected by equivalent reinforcing bar at this place, by pouring into microdilatancy mortar in grouting seam and prefabricated coupling beam and dry wall reserving hole, prefabricated coupling beam is connected for overall with dry wall.
The assembled syndeton of described assembly concrete frame structure Shear-wall Connecting Beam Used, at the coupling beam place of described prefabricated band Liang Qiang, horizontal fractionation is set, and the two is connected by equivalent reinforcing bar at this place, by pouring into microdilatancy mortar in the coupling beam hole of grouting seam and prefabricated band Liang Qiang, two panels prefabricated band Liang Qiang is connected for overall.
The assembled syndeton of described assembly concrete frame structure Shear-wall Connecting Beam Used, the bore dia of reserving hole is greater than equivalent bar diameter, to ensure to pour into enough microdilatancy mortars in hole, makes its effective bonding equivalent reinforcing bar and hole wall.
The frame shear wall structure thing of the assembled syndeton of the assembly concrete frame structure Shear-wall Connecting Beam Used using any one above-mentioned.
Advantage of the present utility model and beneficial effect are:
The utility model is by prefabricated coupling beam, and dry wall or prefabricated band Liang Qiang form in assembly concrete frame structure, the assembled system of fractionation of coupling beam structure in band coupling beam shear wall.Prefabricated coupling beam, with hole in dry wall or prefabricated band beam wall, is furnished with spiral stirrup around hole.When the coupling beam of assembly concrete Shear Wall in Frame-Shear Wall Structures is longer, split at the two ends of coupling beam and shear wall link position, the dry wall (two panels) making prefabricated coupling beam respectively and be connected with prefabricated coupling beam beam-ends, component method of attachment is: in the reserving hole of prefabricated coupling beam, insert equivalent steel muscle, and the termination being not less than 2cm is reserved at nose end, by the hole contraposition of prefabricated coupling beam and dry wall, grouting seam is left between prefabricated coupling beam beam-ends and dry wall, equivalent reinforcing bar is extracted, and stretch in the reserving hole of corresponding dry wall, then the U-shaped template of layout around grouting seam, glass cement is passed through around U-shaped template, seal with prefabricated coupling beam and dry wall, finally in hole and U-shaped template, pour into microdilatancy mortar, after expansive mortar consolidation, remove U-shaped template, prefabricated coupling beam is connected with dry wall for overall.When the coupling beam of assembly concrete Shear Wall in Frame-Shear Wall Structures is shorter, split in the span centre position of coupling beam, form two panels prefabricated band Liang Qiang after splitting, its method of attachment is the same.
The fractionation splicing structure that the utility model proposes and component method of attachment have following characteristics:
1. each component splits position rationally, is convenient to structure manufacture and transport; 2. component is symmetrical or close symmetrical, and weight is reasonable, is convenient to lifting and installs; 3. equivalent reinforcing bar in advance as in the reserving hole of prefabricated coupling beam or prefabricated band Liang Qiang, can decrease assembly space to greatest extent; 4. be equivalently end reinforcedly welded with half-nut, be furnished with spiral stirrup around reserving hole, the two gap and grouting seam adopt microdilatancy mortar, ensure that the reliable of connection; 5. grouting can operate on floor, and easy to operate, joint efficiency is high; 6. concentrate in coupling beam as single diameter steel bar is configured on coupling beam center line by calculating configuration reinforcement area, namely meet specification detailing requiments, reduce bar splice again, constructability; 7. arrange spiral stirrup but not sleeve around reserving hole in prefabricated units, reduce assembly cost to a great extent; 8. the grouting seam between prefabricated units is very little, and situ wet operation is few, and assembly rate is high.
[accompanying drawing explanation]
Figure 1A-Fig. 1 F: the first of the utility model assembly concrete Shear Wall in Frame-Shear Wall Structures coupling beam splits assembled connection (splitting assembled connection at coupling beam two ends) constructional drawing.Wherein, Figure 1A is the facade main view split; Figure 1B is assembled facade main view; Fig. 1 C is that the axles such as dry wall survey graphics; Fig. 1 D is I-I sectional drawing in Figure 1A; Fig. 1 E is that the axles such as prefabricated coupling beam survey graphics; Fig. 1 F is II-II sectional drawing in Figure 1A.
Fig. 2 A-Fig. 2 F: the utility model assembly concrete Shear Wall in Frame-Shear Wall Structures coupling beam the second splits assembled connection (splitting assembled connection at coupling beam span centre) constructional drawing.Wherein, Fig. 2 A is the facade main view split; Fig. 2 B is assembled facade main view; Fig. 2 C is that axle such as prefabricated band beam wall I grade surveys graphics; Fig. 2 D is I-I sectional drawing in Fig. 2 A; Fig. 2 E is that axle such as prefabricated band beam wall II grade surveys graphics; Fig. 2 F is II-II sectional drawing in Fig. 2 A.
Fig. 3 (a)-(b): Figure 1A and Fig. 2 A in equivalent reinforcing bar graphics stereogram.Wherein, (a) figure is half nut; B () figure is that equivalent reinforcing bar and half nut combine.
Fig. 4 (a)-(c): for the steel pipe of pore-forming and around the spiral stirrup 3 dimensional drawing on steel pipe in construction.Wherein, (a) figure is that pore-forming steel pipe and spiral stirrup combine; B () figure is pore-forming steel pipe; C () figure is spiral stirrup.
Fig. 5: for building the U-shaped template 3 dimensional drawing of grouting seam.
In figure:
1. precast shear wall (abbreviation dry wall) in frame structure; 2. the coupling beam (being called for short prefabricated coupling beam) in frame structure in precast shear wall; 3. be in the milk seam; 4. at the shear wall I (being called for short prefabricated band beam wall I) of the band half bridging beam of coupling beam span centre fractionation; 5. at the shear wall II (being called for short prefabricated band beam wall II) of the band half bridging beam of coupling beam span centre fractionation; 6. U-shaped template.
1 spiral stirrup; 2 Grouting Pipe; Reserving hole in 3 dry walls; Reserving hole in 4 prefabricated coupling beams; 5 equivalent reinforcing bars; 6 half nuts; 7 microdilatancy mortars; Reserving hole in 8 prefabricated band beam walls I; Reserving hole in 9 prefabricated band beam walls II; 10 pore-forming steel pipes.
[detailed description of the invention]
The assembled syndeton of coupling beam and assembled method of attachment in the utility model assembly concrete Shear Wall in Frame-Shear Wall Structures, supplementing of Chinese invention patent application (assembly concrete Frame-Shear Wall splitting splicing structure and assembled method of attachment, publication number CN 102900168A).(coupling beam is applicable to longer between prefabricated coupling beam and precast shear wall, split assembled operating mode in beam end) or coupling beam with the shear wall of half bridging beam between (be applicable to coupling beam shorter, split assembled operating mode at coupling beam span centre) arranges grouting seam, equivalent reinforcing bar carries out Liang Qiang or Liang Liang and connect.Prefabricated coupling beam, the coupling beam reserving hole of precast shear wall or the shear wall with half bridging beam, spiral stirrup is arranged in advance around hole, equivalence reinforcing bar is through above-mentioned reserving hole, the grouting of being filled up between above-mentioned reserved horizontal hole and Liang Qiang or beam beam by perfusion microdilatancy mortar (ensureing close contact between equivalent reinforcing bar and reserving hole) is stitched, make prefabricated coupling beam, precast shear wall and equivalent reinforcing bar or be integrated with the Shear-wall Connecting Beam Used of half bridging beam and equivalent reinforcing bar consolidation, realize the connection of prefabricated coupling beam and precast shear wall or the Shear-wall Connecting Beam Used with half bridging beam.Adopt spiral stirrup but not sleeve around the utility model reserving hole, reduce construction costs to a great extent, the utility model also reduces cast-in-place concrete wet trade to a great extent simultaneously, improves construction quality, the reduction of erection time, realizes energy-saving and emission-reduction.
As shown in Figures 1 to 5, the utility model assembly concrete frame structure Shear-wall Connecting Beam Used splits assembled connecting structure and assembled method of attachment, comprises two kinds of detailed description of the invention, specific as follows:
(1) when the coupling beam of assembly concrete Shear Wall in Frame-Shear Wall Structures longer (link length is greater than 2 times of equivalent anchorage length of steel bar), split at the two ends of coupling beam and shear wall link position, form the structure be made up of two panels precast shear wall (hereinafter referred to as dry wall 1.) and precast shear wall coupling beam (hereinafter referred to as prefabricated coupling beam 2.) and split assembled system.In order to realize dry wall 1. with the connection 2. of prefabricated coupling beam, dry wall 1. with prefabricated coupling beam 2. in be provided with reserving hole, first 2. prefabricated coupling beam put into equivalent reinforcing bar 5 in hole, prefabricated coupling beam 2. (Figure 1A) is exposed in equivalence reinforcing bar 5 termination, dry wall 1. with prefabricated coupling beam 2. contraposition after, by prefabricated coupling beam 2. in equivalent reinforcing bar 5 extract insert dry wall 1. in, by to prefabricated coupling beam 2. with dry wall 1. reserving hole and grouting seam 3. pour into microdilatancy mortar 7, make prefabricated coupling beam 2., dry wall 1. and equivalent reinforcing bar 5 connect for overall (Figure 1B).
Wherein,
(1) prefabricated coupling beam 2. with dry wall hole forming method 1.: external diameter can be selected to be greater than the pore-forming steel pipe 10 of equivalent reinforcing bar 5 diameter, at pore-forming steel pipe 10 wall winding screw stirrup 1, then the pore-forming steel pipe 10 being tied with spiral stirrup 1 is embedded in advance prefabricated coupling beam 2. with dry wall precalculated position 1., build prefabricated coupling beam 2., dry wall 1., after concrete setting, extract pore-forming steel pipe 10, form band hole and the prefabricated coupling beam leaving spiral stirrup 1 around hole 2. with dry wall 1. (Fig. 4).
(2) prefabricated coupling beam 2. with dry wall splicing 1., equivalent reinforcing bar 5 is put into prefabricated coupling beam hole 2., and the termination being not less than 2cm is stayed at nose end, by prefabricated coupling beam 2. with dry wall hole contraposition 1., prefabricated coupling beam 2. beam-ends and dry wall 1. between leave grouting seam 3., after contraposition completes, equivalent reinforcing bar 5 is extracted, and stretch into corresponding dry wall reserving hole 1..Then around grouting seam the U-shaped template of layout 6., 1. 6. U-shaped template around by glass cement, 2. seal with dry wall with prefabricated coupling beam.Simultaneously 2. pour into microdilatancy mortar 7 with dry wall filling Grouting Pipe 2 1. from prefabricated coupling beam, until 6. microdilatancy mortar 7 to be full of in the hole dry wall of prefabricated units in reserving hole 3, prefabricated coupling beam reserving hole 4 and grouting seam U-shaped template 3..After microdilatancy mortar 7 solidifies, remove U-shaped template 6., complete prefabricated coupling beam 2. with dry wall splicing 1. (Fig. 5).
(2) when the coupling beam of assembly concrete Shear Wall in Frame-Shear Wall Structures shorter (link length is less than or equal to 2 times of equivalent anchorage length of steel bar), split in the span centre position of coupling beam, after splitting, form the shear wall of two panels respectively with half coupling beam (being called for short prefabricated band Liang Qiang).In order to realize the connection of prefabricated band Liang Qiang and prefabricated band Liang Qiang, at prefabricated band beam reserving hole (Fig. 2 A) within the walls.Time assembled, first equivalent reinforcing bar 5 is put within the walls at prefabricated band beam, equivalence reinforcing bar 5 termination is exposed prefabricated band Liang Qiang and is not less than 2cm, after prefabricated band Liang Qiang and the contraposition of prefabricated band beam wall, equivalent reinforcing bar 5 is extracted and inserts another sheet prefabricated band Liang Qiang, by to the reserving hole of two panels prefabricated band Liang Qiang and grouting seam perfusion microdilatancy mortar 7, two panels prefabricated band Liang Qiang and equivalent reinforcing bar 5 are connected for overall (Fig. 2 B).
Wherein, prefabricated band Liang Qiang and prefabricated band Liang Qiang joining method with prefabricated coupling beam 2. with dry wall joining method 1..
Figure 1A-Fig. 1 F is for split assembled prefabrication system at coupling beam two ends.The structure of the concrete Shear Wall in Frame-Shear Wall Structures of which mainly comprises: dry wall 1., prefabricated coupling beam 2., grouting seam 3., spiral stirrup 1, Grouting Pipe 2, dry wall 1. in reserving hole 3, prefabricated coupling beam 2. in reserving hole 4, equivalent reinforcing bar 5, equivalent steel bar end half nut 6, microdilatancy mortar 7 etc., concrete structure is as follows:
1. 2. prefabricated coupling beam be connected with two panels dry wall at beam two ends, to connect by grouting seam 3., equivalent reinforcing bar 5 and microdilatancy mortar 7.At dry wall 1. middle reserving hole 3, at prefabricated coupling beam 2. middle reserving hole 4, dry wall 1. in reserving hole 3 and prefabricated coupling beam 2. in reserving hole 4 inwall be provided with spiral stirrup 1, Grouting Pipe 2 respectively with dry wall 1. in reserving hole 3 and prefabricated coupling beam 2. in reserving hole 4 be connected, have half nut 6 (Fig. 3) in equivalent reinforcing bar 5 termination.
Described dry wall 1. in reserving hole 3 and prefabricated coupling beam 2. in reserving hole 4 be connected by equivalent reinforcing bar 5, dry wall 1. and prefabricated coupling beam 2. between for grouting seam 3., dry wall 1. in reserving hole 3, prefabricated coupling beam 2. in gap between reserving hole 4 and equivalent reinforcing bar 5 be microdilatancy mortar 7.
It is applicable to the longer operating mode of coupling beam (link length is greater than 2 times of equivalent anchorage length of steel bar).The force-transmission mechanism of above-mentioned splicing structure is: the equivalent reinforcing bar 5 being not less than coupling beam Reinforcement area with two areas, replaces the Reinforcement of coupling beam, realizes the transmission of coupling beam moment of flexure to shear wall; Stitch microdilatancy mortar 7 3. to be in the milk and realize the transmission of coupling beam shearing to shear wall; Fill with between reserving hole and equivalent reinforcing bar 5 and have microdilatancy mortar 7, realize the transmission of pulling force between equivalent reinforcing bar 5 and reserving hole surrounding concrete.The object of equivalent reinforcing bar 5 is adopted to be for reducing the number of steel bars needing to connect, making splicing simple and feasible in construction.
Fig. 2 A-Fig. 2 F splits erection method at coupling beam span centre.Structure with coupling beam shear wall in the concrete frame shear structure of which mainly comprises: grouting seam 3., prefabricated band beam wall I 4., prefabricated band beam wall II 5., spiral stirrup 1, Grouting Pipe 2, equivalent reinforcing bar 5, equivalent steel bar end half nut 6, microdilatancy mortar 7, prefabricated band beam wall I 4. in reserving hole 8, prefabricated band beam wall II 5. in reserving hole 9 etc., concrete structure is as follows:
5. 4. prefabricated band beam wall I be connected with prefabricated band beam wall II, to connect by grouting seam 3., equivalent reinforcing bar 5 and microdilatancy mortar 7.4. reserving hole 8 is left at prefabricated band beam wall I, 5. reserving hole 9 is left at prefabricated band beam wall II, prefabricated band beam wall I 4. in reserving hole 8 and prefabricated band beam wall II 5. in reserving hole 9 inwall be provided with spiral stirrup 1, Grouting Pipe 2 respectively with prefabricated band beam wall I 4. in reserving hole 8 and prefabricated band beam wall II 5. in reserving hole 9 be connected, there is half nut 6 (Fig. 3) equivalent reinforcing bar 5 termination.
Described prefabricated band beam wall I 4. in reserving hole 8 and prefabricated band beam wall II 5. in reserving hole 9 be connected by equivalent reinforcing bar 5, prefabricated band beam wall I 4. and prefabricated band beam wall II 5. between for grouting seam 3., prefabricated band beam wall I 4. in reserving hole 8, prefabricated band beam wall II 5. in gap between reserving hole 9 and equivalent reinforcing bar 5 be microdilatancy mortar 7.
It is applicable to the shorter operating mode of coupling beam (link length is less than or equal to 2 times of equivalent anchorage length of steel bar).The force-transmission mechanism of above-mentioned splicing structure is: the equivalent reinforcing bar 5 being not less than coupling beam Reinforcement area with two areas, replaces the Reinforcement of coupling beam, realizes the transmission of moment of flexure between assembling part coupling beam; Stitch microdilatancy mortar 7 3. to be in the milk and realize the transmission of shearing between assembling part coupling beam; Fill with between reserving hole and equivalent reinforcing bar 5 and have microdilatancy mortar 7, realize the transmission of pulling force between equivalent reinforcing bar 5 and reserving hole surrounding concrete.The object of equivalent reinforcing bar 5 is adopted to be for reducing the reinforcing bar radical needing to connect, making splicing simple and feasible in construction.
Result shows, the utility model is by the shear wall with coupling beam in concrete frame shear structure, split into the assembled method of attachment of dry wall, prefabricated coupling beam or the assembled syndeton of two panels prefabricated band beam wall and proposition: in mechanical property, well can realize the transmission of splicing prefabricated units bending and shearing, ensure the reliable of connection; Construction is convenient to structure manufacture, transport and lifting install, decrease assembly space demand and bar splice quantity to greatest extent when assembling, easy to operate, joint efficiency is high; Economically, arrange spiral stirrup around reserving hole but not sleeve in prefabricated units, reduce assembly cost to a great extent; Between prefabricated units, grouting seam width is little, and situ wet operation is few, and assembly rate is high, improves assemblingization degree, realizes energy-saving and emission-reduction, raise labour productivity, and improves construction quality, the reduction of erection time.
Claims (8)
1. the assembled syndeton of an assembly concrete frame structure Shear-wall Connecting Beam Used, it is characterized in that: form structure by coupling beam, precast shear wall or the coupling beam with the shear wall of half bridging beam in precast shear wall and split assembled system, wherein: coupling beam in precast shear wall, hereinafter referred to as prefabricated coupling beam; Precast shear wall, hereinafter referred to as dry wall; The prefabricated shear wall with half bridging beam, hereinafter referred to as prefabricated band Liang Qiang; This assembled syndeton is one of following two kinds of form of structure:
(1) split at the two ends of coupling beam and shear wall link position, the dry wall making prefabricated coupling beam respectively and be connected with prefabricated coupling beam beam-ends, the dry wall be connected with a coupling beam is two panels altogether; Reserving hole in prefabricated coupling beam and dry wall component, around hole, spiral stirrup is set, equivalent reinforcing bar being set in hole, by pouring into microdilatancy mortar in prefabricated coupling beam and dry wall reserving hole and grouting seam, making prefabricated coupling beam, dry wall and equivalent bar connecting for overall;
(2) split in the span centre position of coupling beam, form the prefabricated shear wall with half bridging beam of two panels after splitting, i.e. prefabricated band Liang Qiang; In prefabricated band beam wall, reserving hole in coupling beam, arranges spiral stirrup around hole, arranges equivalent reinforcing bar in hole, by pouring into microdilatancy mortar in reserving hole in prefabricated band beam wall and grouting seam, prefabricated band Liang Qiang is connected for overall.
2. according to the assembled syndeton of assembly concrete frame structure Shear-wall Connecting Beam Used according to claim 1, it is characterized in that, reserving hole in the coupling beam of prefabricated coupling beam, dry wall and prefabricated band Liang Qiang, the length of prefabricated coupling beam and a slice prefabricated band beam wall Hole is greater than 2 times of anchorage length of steel bar and is less than anchorage length of steel bar and adds grouting seam length, spiral stirrup is furnished with around hole, hole is for placing equivalent reinforcing bar, and spiral stirrup is for supporting hole and the microdilatancy mortar of the inner perfusion of constraint.
3. according to the assembled syndeton of assembly concrete frame structure Shear-wall Connecting Beam Used according to claim 1, it is characterized in that, equivalence is end reinforced is welded with half nut, when half nut ensures perfusion microdilatancy mortar, the reinforcing bar be connected with half nut is positioned at hole center, and half nut makes equivalent reinforcing bar better be anchored in prefabricated units simultaneously.
4. according to the assembled syndeton of the described assembly concrete frame structure Shear-wall Connecting Beam Used of claim 3, it is characterized in that, the diameter of end reinforced half nut of equivalence is less than the diameter of hole, to ensure that equivalent reinforcing bar moves freely in hole, wherein half nut is that whole nut diametrically cuts, and is symmetrically welded the end in equivalent reinforcing bar, during perfusion microdilatancy mortar, microdilatancy mortar flows through half nut, is full of whole hole.
5. according to the assembled syndeton of assembly concrete frame structure Shear-wall Connecting Beam Used according to claim 1, it is characterized in that, at described prefabricated coupling beam beam-ends and dry wall place, horizontal fractionation is set, and the two is connected by equivalent reinforcing bar at this place, by pouring into microdilatancy mortar in grouting seam and prefabricated coupling beam and dry wall reserving hole, prefabricated coupling beam is connected for overall with dry wall.
6. according to the assembled syndeton of assembly concrete frame structure Shear-wall Connecting Beam Used according to claim 1, it is characterized in that, at the coupling beam place of described prefabricated band Liang Qiang, horizontal fractionation is set, and the two is connected by equivalent reinforcing bar at this place, by pouring into microdilatancy mortar in the coupling beam hole of grouting seam and prefabricated band Liang Qiang, two panels prefabricated band Liang Qiang is connected for overall.
7. according to the assembled syndeton of the assembly concrete frame structure Shear-wall Connecting Beam Used described in claim 1 or 2, it is characterized in that, the bore dia of reserving hole is greater than equivalent bar diameter, to ensure to pour into enough microdilatancy mortars in hole, makes its effective bonding equivalent reinforcing bar and hole wall.
8. use the frame shear wall structure thing of the assembled syndeton of the assembly concrete frame structure Shear-wall Connecting Beam Used in claim 1 to 7 described in any one.
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| CN104481031A (en) * | 2014-11-05 | 2015-04-01 | 沈阳建筑大学 | Assembly connection structure and method of coupling beams of shear walls of assembly concrete frame shear structure |
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| CN108343160A (en) * | 2018-02-10 | 2018-07-31 | 南通联泷建筑材料有限公司 | A kind of connection structure of wallboard and coupling beam |
| CN108914779A (en) * | 2018-08-01 | 2018-11-30 | 武汉理工大学 | The anchorage length of reserved grout hole bolt anchor head connection reinforcing bar determines method |
| CN109415896A (en) * | 2016-04-28 | 2019-03-01 | 印度预制基础设施私人有限公司 | The system and method that wall for precast shear wall is connect with wall |
| CN110359597A (en) * | 2019-08-15 | 2019-10-22 | 中铁建设集团有限公司 | A kind of steel bar template integrated component shear wall cross-layer coupling beam construction and installation method |
| CN110565838A (en) * | 2019-08-07 | 2019-12-13 | 长安大学 | semi-rigid horizontal reset connecting structure of prefabricated shear wall |
| CN114232892A (en) * | 2022-01-13 | 2022-03-25 | 福州大学 | Fabricated concrete connection structure connected through segmented steel bars and construction method thereof |
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2014
- 2014-11-05 CN CN201420657677.8U patent/CN204225283U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104481031A (en) * | 2014-11-05 | 2015-04-01 | 沈阳建筑大学 | Assembly connection structure and method of coupling beams of shear walls of assembly concrete frame shear structure |
| CN105133728A (en) * | 2015-08-24 | 2015-12-09 | 沈阳建筑大学 | Assembly type concrete structure with cage type connecting components |
| CN109415896A (en) * | 2016-04-28 | 2019-03-01 | 印度预制基础设施私人有限公司 | The system and method that wall for precast shear wall is connect with wall |
| CN108343160A (en) * | 2018-02-10 | 2018-07-31 | 南通联泷建筑材料有限公司 | A kind of connection structure of wallboard and coupling beam |
| CN108914779A (en) * | 2018-08-01 | 2018-11-30 | 武汉理工大学 | The anchorage length of reserved grout hole bolt anchor head connection reinforcing bar determines method |
| CN108914779B (en) * | 2018-08-01 | 2019-10-25 | 武汉理工大学 | The anchorage length of reserved grout hole bolt anchor head connection reinforcing bar determines method |
| CN110565838A (en) * | 2019-08-07 | 2019-12-13 | 长安大学 | semi-rigid horizontal reset connecting structure of prefabricated shear wall |
| CN110565838B (en) * | 2019-08-07 | 2020-06-26 | 长安大学 | Semi-rigid horizontal reset connecting structure of prefabricated shear wall |
| CN110359597A (en) * | 2019-08-15 | 2019-10-22 | 中铁建设集团有限公司 | A kind of steel bar template integrated component shear wall cross-layer coupling beam construction and installation method |
| CN110359597B (en) * | 2019-08-15 | 2024-05-14 | 中铁建设集团有限公司 | Cross-layer beam connecting structure and installation method for reinforced bar formwork integrated component shear wall |
| CN114232892A (en) * | 2022-01-13 | 2022-03-25 | 福州大学 | Fabricated concrete connection structure connected through segmented steel bars and construction method thereof |
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