CN105804262A - Energy consumption support and assembly type concrete framework dual energy consumption node and assembly method - Google Patents
Energy consumption support and assembly type concrete framework dual energy consumption node and assembly method Download PDFInfo
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- CN105804262A CN105804262A CN201610188824.5A CN201610188824A CN105804262A CN 105804262 A CN105804262 A CN 105804262A CN 201610188824 A CN201610188824 A CN 201610188824A CN 105804262 A CN105804262 A CN 105804262A
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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
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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Abstract
The invention relates to an energy consumption support and assembly type concrete framework dual energy consumption node and an assembly method. The mode comprises a beam end embedding unit, a column end embedding unit, a connecting unit and a connecting assembly, wherein the connecting unit is connected with the beam end embedding unit and the column end embedding unit; and the connecting assembly is used for connecting the beam end embedding unit, the column end embedding unit and the connecting unit. During the assembly, firstly, a prefabricated concrete beam with the beam end embedding unit, a prefabricated concrete column with the column end embedding unit and the connecting unit are firstly prefabricated; then, the prefabricated concrete beam and the prefabricated concrete column are hoisted to designed positions; a beam end embedding metal plate and a beam end connecting plate of the connecting unit are oppositely attached together; a column end connecting plate and a column end embedding metal plate are oppositely attached; and the beam end embedding unit, the column end embedding unit and the connecting unit are connected into a whole. The mode and the assembly method have the advantages that the full assembly type connection is adopted, so that the connection is safe and reliable; the structure is reasonable; the construction difficulty is low; the field construction is convenient and fast; and the work intensity is low.
Description
Technical field
The invention belongs to building structure and connect node technical field, be specifically related to a kind of energy dissipation brace and the dual energy dissipation node of assembly concrete framework and assembly method.
Background technology
Assembly concrete frame structure has the material-saving that saves land of saving water and energy, and reduces construction environment and pollutes, improves the advantages such as construction efficiency.But when floor height is higher, span is bigger, flat facade is irregular, assembly concrete framework shock resistance is inadequate, now by arranging energy dissipation brace, it is possible to improve the anti-seismic performance of assembly concrete framework.
Current energy dissipation brace is mainly used in cast-in-situ steel reinforced concrete framework and existing reinforced concrete framework, and energy dissipation brace mainly adopts the method that bar planting method, embedded steel frame method, gusset plate weld with encased steel plate to be connected with beam column built from concrete.These connected modes existing are difficult to apply to assembly concrete framework, are mainly reflected in: 1. bar planting method, and when main component stress is bigger, Reinforcement and stirrup comparatively dense are wanted, and burrow more difficult, and stress is less；2. embedded steel frame method, steel frame is connected more complicated with original concrete frame, troublesome poeration, and field cast-in-place amount of concrete and steel frame weld many, increase steel using amount simultaneously；3. gusset plate welds with encased steel plate, and encased steel plate conflicts with body of wall and floor, assembles difficulty, and Site Welding amount is relatively big, and speed of application is slow.So using its site operation of existing energy dissipation brace and assembly concrete complicated, industrialized level is low, it is impossible to embody the feature of fabricated construction.
Summary of the invention
In order to avoid the weak point existing for above-mentioned prior art, an object of the present invention is to provide that a kind of attachment security is reliable, rational in infrastructure, technical operation requirement is low, site operation conveniently energy dissipation brace and the dual energy dissipation node of assembly concrete framework.
For achieving the above object, present invention employs following technical proposals:
A kind of energy dissipation brace and the dual energy dissipation node of assembly concrete framework, this node includes the pre-buried unit of beam-ends being embedded in precast concrete beam respectively and the pre-buried unit of styletable being embedded in precast concrete column, and this node also includes the connection unit being all connected with the pre-buried unit of described beam-ends and the pre-buried unit of styletable；This node also includes pre-buried for described beam-ends unit and the pre-buried unit of styletable and connects unit and connect into an overall connection member or connect assembly.
Preferably, the pre-buried unit of described beam-ends is identical with the pre-buried cellular construction of styletable；Arbitrary pre-buried unit all includes the built-in metal plate that two boards face is parallel to each other, and two blocks of built-in metal plates all offer some through holes, and pre-buried unit also includes the built-in metal sleeve being fixedly connected between the corresponding through hole of two built-in metal plates；Described connection unit is provided with the connecting hole that some and described built-in metal sleeve is corresponding；Pre-buried unit is connected into an entirety with being connected unit through built-in metal sleeve and corresponding connecting hole by described connection member or connection assembly.
Preferably, the prefabrication system of described precast concrete beam is: obtain the pre-buried unit of described beam-ends after being welded and fixed with the both ends of beam-ends built-in metal sleeve respectively by two blocks of beam-ends built-in metal plates, the beam steel cage made is positioned in beam forms, pre-buried for described beam-ends unit is placed through the end of beam steel cage again, and in the most backward beam forms, casting concrete can complete prefabricated；
The prefabrication system of described precast concrete column is: obtain the pre-buried unit of described styletable after being welded and fixed with the both ends of styletable built-in metal sleeve respectively by two blocks of styletable built-in metal plates, the post steel reinforcement cage made is positioned in column template, pre-buried for described styletable unit is placed through the end of post steel reinforcement cage again, and in the most backward column template, casting concrete can complete prefabricated.
Preferably, described precast concrete beam is U-shaped beam, and one block of beam-ends built-in metal plate in the pre-buried unit of described beam-ends is embedded in the concave surface of U-shaped beam, and another block beam-ends built-in metal plate is then embedded in the another side place of parallel U-shaped beam corresponding to described concave surface.
Preferably, described connection unit includes the beam-ends connecting plate matched with the pre-buried unit of described beam-ends, and described beam-ends connecting plate offers the beam-ends connecting hole corresponding with the beam-ends built-in metal sleeve in the pre-buried unit of described beam-ends；
Connect the styletable connecting plate that unit also includes matching with the pre-buried unit of described styletable, described styletable connecting plate offers the styletable connecting hole corresponding with the styletable built-in metal sleeve in the pre-buried unit of described styletable；
Connecting unit also to include connecting gusset plate, the plate face of described connection gusset plate, beam-ends connecting plate and styletable connecting plate three is vertically arranged between two, and connection gusset plate welds with beam-ends connecting plate and styletable connecting plate respectively and constitutes an entirety.
Preferably, described connection assembly includes shape memory metal screw rod, and the two ends of shape memory metal screw rod are provided with threaded section；
It is beam-ends shape memory metal screw rod for connecting the shape memory metal screw rod of the pre-buried unit of described beam-ends and connection unit, pre-buried for beam-ends unit and connection unit are linked together by described beam-ends shape memory metal screw rod through described beam-ends built-in metal sleeve and corresponding beam-ends connecting hole, and threaded section of the two ends of beam-ends shape memory metal screw rod is provided with clamp nut；
It is styletable shape memory metal screw rod for connecting the shape memory metal screw rod of the pre-buried unit of described styletable and connection unit, pre-buried for styletable unit and connection unit are linked together by described styletable shape memory metal screw rod through described styletable built-in metal sleeve and corresponding styletable connecting hole, and threaded section of the two ends of styletable shape memory metal screw rod is provided with clamp nut.
Further, this node is provided with beam-ends backing plate in the side deviating from described connection unit of the pre-buried unit of described beam-ends, and described beam-ends backing plate offers the beam-ends backing plate connecting hole being easy to beam-ends shape memory metal screw rod traverse；
When described precast concrete column is side column, this node is provided with styletable backing plate in the side deviating from described connection unit of the pre-buried unit of described styletable, and described styletable backing plate offers the styletable backing plate connecting hole being easy to styletable shape memory metal screw rod traverse.
Preferably, described connection gusset plate is provided with the gusset plate connecting hole being connected with energy dissipation brace.
The two of the purpose of the present invention are to provide a kind of assembly method to above-mentioned energy dissipation brace Yu the dual energy dissipation node of assembly concrete framework, and it comprises the steps:
S1, on described precast concrete beam the pre-buried pre-buried unit of beam-ends being made up of two blocks of beam-ends built-in metal plates and some beam-ends built-in metal sleeves；The pre-buried pre-buried unit of styletable being made up of two blocks of styletable built-in metal plates and some styletable built-in metal sleeves in described precast concrete column；The prefabricated connection unit being made up of beam-ends connecting plate, styletable connecting plate and connection gusset plate；
S2, at the construction field (site), hoisting prefabricated beams of concrete, precast concrete column are in design attitude；
S3, connection unit being placed on node place, and make the beam-ends connecting plate of connection unit with beam-ends built-in metal plate to sticking together, styletable connecting plate and styletable built-in metal plate are to sticking together；
With beam-ends shape memory metal screw rod traverse beam-ends backing plate, beam-ends built-in metal plate, beam-ends built-in metal sleeve and beam-ends connecting plate, utilize nut to be fixedly connected at the two ends of beam-ends shape memory metal screw rod, make connection unit and precast reinforced concrete beam link together；
When prefabricated reinforced concrete column is side column, with styletable shape memory metal screw rod through styletable backing plate, styletable built-in metal plate, styletable built-in metal sleeve and styletable connecting plate, nut is utilized to be fixedly connected at the two ends of styletable shape memory metal screw rod；When prefabricated reinforced concrete column is not side column, with styletable shape memory metal screw rod through styletable built-in metal plate, styletable built-in metal sleeve and styletable connecting plate, nut is utilized to be fixedly connected at the two ends of styletable shape memory metal screw rod；Connection unit and prefabricated reinforced concrete column is made to link together；
S4, build cast-in-situ steel reinforced concrete at the connection node place of precast reinforced concrete beam and prefabricated reinforced concrete；
S5, finally the end-fitting of energy dissipation brace is connected connection fixing with the connection gusset plate being connected unit by pin joint or bolt, complete node and assemble.
Preferably, described precast concrete beam is U-shaped beam, in S4 step, during cast-in-situ steel reinforced concrete, the recess place of U-shaped beam and described connection node place is built cast-in-situ steel reinforced concrete simultaneously.
The beneficial effects of the present invention is:
1) present invention is provided with the pre-buried unit of beam-ends, the pre-buried unit of styletable and connects unit, when carrying out node assembling, first pre-buried for beam-ends unit is embedded in precast concrete beam, pre-buried for styletable unit is embedded in precast concrete column, then connection unit is placed on node location place, then adopts connection member or connection assembly pre-buried for beam-ends unit, the pre-buried unit of styletable and connection unit three to be linked together and namely may make up a node being used for directly installing energy dissipation brace.
From the foregoing, the present invention is different from welding procedure of the prior art, but adopt the assembling mode to patch splicing, it is adaptable to the multiple gusset plate forms such as bolt connection and pin joint, not only speed of application is fast, and labor intensity is low.
2) the pre-buried unit of the beam-ends in the present invention or the pre-buried cellular construction of styletable are identical, constitute together with some built-in metal sleeve weld by two blocks of built-in metal plates.Time pre-buried, built-in metal plate is embedded on the side of beam or post, built-in metal sleeve is then interspersed in steel reinforcement cage, therefore the template of beam or post is without punching, can directly use the template of current assembly concrete post, compared to prior art without template is carried out reworking making, be not only applicable to present assembling concrete construction mode, and saved the expense of tailored template, and effectively accelerate speed of application.
3) the pre-buried unit in the present invention adopts the connected mode adopting built-in metal sleeve weld between two blocks of built-in metal plates.Described built-in metal plate is big with the contact area of beam or post, the concrete in beam or post therefore can be avoided when stress crushed, be effectively improved the tolerance limit of beam or post；Described built-in metal sleeve is not only easy to insert connection member wherein to facilitate the fabricated construction of node, and owing to the external surface area of sleeve is big, thus increasing the contact area of the pre-buried unit of beam-ends or the pre-buried unit of styletable and beam or post, therefore, increase considerably the bonding strength of the pre-buried unit of beam-ends and beam and the pre-buried unit of styletable and post.
Thus, the pre-buried unit of beam-ends or the pre-buried unit of styletable in the present invention constitute an inseparable entirety by simple structure with beam or post, not only solve node area reinforcing bar comparatively dense and be difficult to the problem constructed, and efficiently solve the problem that energy dissipation brace is connected difficulty with assembly concrete frame structure, and it is not intended to the preformed patterns of beam column, applied widely and using value is high.
4) the connection assembly in the present invention is shape memory metal screw rod and nut screw connection forms, described shape memory metal screw rod has high ductility, namely shape memory metal screw rod has bigger recoverable force ability, and in loading procedure, the produced big strain of shape memory metal screw rod under external force can recover along with unloading.Thus the shape memory metal screw rod in the present invention drastically increases beam or post and the firm switching performance being connected unit.
In addition, the shape memory metal screw rod with high ductility energy is worked in coordination with energy dissipation brace, act on each other, so that the node in the present invention has dual energy consumption effect, it is effectively improved the overall anti-seismic performance of assembly concrete framework, embodies the overall superiority of interior joint of the present invention further.
5) present invention embodies assembled advantage, and all components are all completed by prefabricated, and on-site hoisting splicing is simple and quick, greatly improves construction and installation efficiency.
Accompanying drawing explanation
Fig. 1 is the pre-buried unit of beam-ends or the structural representation of the pre-buried unit of styletable.
Fig. 2 is the attachment structure figure connecting unit.
Fig. 3 is the structural representation of shape memory metal screw rod.
Fig. 4 is the pre-buried unit of beam-ends, the pre-buried unit of styletable and the attachment structure figure connecting unit.
Fig. 5 is the precast concrete beam with pre-buried unit or the structural representation of precast concrete column.
Fig. 6,7 structural representations being precast concrete beam with the pre-buried unit of beam-ends, the precast concrete beam in figure is U-shaped beam.
Fig. 8 is the connection unit in the embodiment of the present invention and the assembly concrete spliced structural representation of side column framework.
Fig. 9 is the connection unit in the embodiment of the present invention and the spliced structural representation of assembly concrete framework.
The energy dissipation brace that Figure 10 is in the embodiment of the present invention assembles energy dissipation node structural representation entirely with prefabricated assembled concrete framework.
Labelling implication in figure is as follows:
1-precast concrete beam 1a-template 1b-recess
2-precast concrete column 3-cast-in-place concrete 4-energy dissipation brace
10a-beam-ends pre-buried unit 11a-beam-ends built-in metal plate 12a-beam-ends built-in metal sleeve
10b-beam-ends pre-buried unit 11b-beam-ends built-in metal plate 12b-beam-ends built-in metal sleeve
20-connects unit 21-beam-ends connecting plate 211-beam-ends connecting hole 22-styletable connecting plate
221-styletable connecting hole 23-connects gusset plate 231-gusset plate connecting hole
Threaded section of 30-shape memory metal screw rod 31-
30a-beam-ends shape memory metal screw rod 30b-styletable shape memory metal screw rod
40a-beam-ends backing plate 40b-styletable backing plate
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.
Precast concrete beam in the present invention is precast reinforced concrete beam, and precast concrete column is prefabricated reinforced concrete column.
With reference to shown in Fig. 1～4, a kind of energy dissipation brace and the dual energy dissipation node of assembly concrete framework, this node includes the beam-ends pre-buried unit 10a being embedded in the precast concrete beam 1 respectively and pre-buried unit 10b of styletable being embedded in precast concrete column 2, and this node also includes and the pre-buried unit 10b of described beam-ends pre-buried unit 10a and the styletable connection unit 20 being all connected.
As it is shown in figure 1, described beam-ends pre-buried unit 10a is identical with styletable pre-buried unit 10b structure；For the pre-buried unit 10a of beam-ends, beam-ends pre-buried unit 10a includes the beam-ends built-in metal plate 11a that two boards face is parallel to each other, all offering some through holes on two pieces of beam-ends built-in metal plate 11b, beam-ends pre-buried unit 10a also includes the beam-ends built-in metal sleeve 12a being fixedly connected between the corresponding through hole of two beam-ends built-in metal plate 10a.
As shown in Figure 5,6, the prefabrication system of described precast concrete beam 1 is: obtain the pre-buried unit 10a of described beam-ends after being welded and fixed with the both ends of beam-ends built-in metal sleeve 12a respectively by two pieces of beam-ends built-in metal plate 11a, the beam steel cage made is positioned in beam forms, pre-buried for described beam-ends unit 10a is placed through the end of beam steel cage again, and in the most backward beam forms, casting concrete can complete prefabricated；
The prefabrication system of described precast concrete column 2 is: obtain the pre-buried unit 10b of described styletable after being welded and fixed with the both ends of styletable built-in metal sleeve 12b respectively by two pieces of styletable built-in metal plate 11b, the post steel reinforcement cage made is positioned in column template, pre-buried for described styletable unit 10b is placed through the end of post steel reinforcement cage again, and in the most backward column template, casting concrete can complete prefabricated.
The above-mentioned prefabrication system not only simple and fast of precast concrete beam 1 and precast concrete column 2, and make beam-ends pre-buried unit 10a and precast concrete beam 1, the pre-buried unit 10b of styletable and precast concrete column 2 tight between two respectively and be securely attached together.
Described precast concrete beam 1 or precast concrete column 2 can be all conventional rectangular-shaped column, as shown in Figure 5.Precast concrete beam 1 in the embodiment of the present invention is U-shaped beam, and as shown in Figure 6,7, U-shaped beam is the precast concrete beam with recess 1b enclosed by template 1a.One piece of beam-ends built-in metal plate 11a in described beam-ends pre-buried unit 10a is embedded in the concave surface of the recess 1b of U-shaped beam, and another block beam-ends built-in metal plate 11a is then embedded in the bottom surface place of parallel U-shaped beam corresponding to described concave surface.
As in figure 2 it is shown, described connection unit 20 includes and the pre-buried unit 10a of the described beam-ends beam-ends connecting plate 21 matched, described beam-ends connecting plate 21 offers and corresponding for the beam-ends built-in metal sleeve 12a beam-ends connecting hole 211 in described beam-ends pre-buried unit 10a；Connect unit 20 also to include and the pre-buried unit 10b of the described styletable styletable connecting plate 22 matched, described styletable connecting plate 22 offers and corresponding for the styletable built-in metal sleeve 12b styletable connecting hole 221 in described styletable pre-buried unit 10b；Connect unit 20 and also include connection gusset plate 23 affixed with beam-ends connecting plate 21 and styletable connecting plate 22 respectively, the plate face of described connection gusset plate 23, beam-ends connecting plate 21 and styletable connecting plate 22 three is vertically arranged between two, and connection gusset plate 23 welds with beam-ends connecting plate 21 and styletable connecting plate 22 respectively and constitutes an entirety.
Certainly, connect gusset plate 23, beam-ends connecting plate 21 and styletable connecting plate 22 three and can also be welded to one another and constitute an entirety.
As it is shown on figure 3, described connection assembly includes shape memory metal screw rod 30 and the nut being matched therewith, the two ends of shape memory metal screw rod 30 are provided with threaded section 31.
As shown in Figure 4, the shape memory metal screw rod 30 in the present invention is divided into beam-ends shape memory metal screw rod 30a and styletable shape memory metal screw rod 30b according to the difference using position.Pre-buried for beam-ends unit 10a and connection unit 20 are linked together by described beam-ends shape memory metal screw rod 30a through described beam-ends built-in metal sleeve 12a and corresponding beam-ends connecting hole 211, and threaded section of the two ends of beam-ends shape memory metal screw rod 30a is provided with clamp nut.Pre-buried for styletable unit 10b and connection unit 20 are linked together by described styletable shape memory metal screw rod 30b through described styletable built-in metal sleeve 12b and corresponding styletable connecting hole 221, and threaded section of the two ends of styletable shape memory metal screw rod 30b is provided with clamp nut.By above-mentioned attachment structure, beam-ends pre-buried unit 10a, the pre-buried unit 10b of styletable and connection unit 20 in the present invention collectively form a node being easy to be connected with energy dissipation brace 4.
In order to improve the stress performance of beam or post, the present invention is additionally provided with beam-ends backing plate 40a and styletable backing plate 40b.Such as Fig. 4, shown in 8～10, beam-ends backing plate 40a is arranged on the beam-ends built-in metal plate 11a place, side deviating from described connection unit 20 of beam-ends pre-buried unit 10a, and beam-ends backing plate 40a offers the beam-ends backing plate connecting hole being easy to beam-ends shape memory metal screw rod 30a traverse；And styletable backing plate 40b only just uses when described precast concrete column 2 is side column, such as Fig. 4, shown in 7, styletable backing plate 40b is arranged on the styletable built-in metal plate 11b place, side deviating from described connection unit 20 of described styletable pre-buried unit 10b, and described styletable backing plate 40b offers the styletable backing plate connecting hole being easy to styletable shape memory metal screw rod 30b traverse.
As shown in Figure 4, described connection gusset plate 23 being provided with the gusset plate connecting hole 231 being connected with energy dissipation brace 4, described gusset plate connecting hole 231 can be pin-and-hole or bolt hole, in order to connects gusset plate 23 and is connected with the assembled of energy dissipation brace 4.
It should be noted that the connection assembly in the present invention can also use the screw rod of other metal materials, certainly, the performance of shape memory metal screw rod 30 is apparently more excellent.In addition, shape memory metal screw rod 30 can also whole installation be that light is shaft-like, now both sides needs outside that expose through built-in metal sleeve of shape memory metal screw rod 30 carry out stubborn crook reason, break curved after shape memory metal screw rod 30 pre-buried to pre-buried for beam-ends unit 10a or styletable unit 10b can be fastened together with being connected unit 20.
Below in conjunction with accompanying drawing, the assembly method in the present invention being described further, the detailed step of assembly method is as follows:
S1, according to the frame mode of Fig. 5 and position, the pre-buried pre-buried unit 10a of beam-ends being made up of two pieces of beam-ends built-in metal plate 11a and some beam-ends built-in metal sleeve 12a on described precast concrete beam 1；Also according to frame mode and the position of Fig. 5, the pre-buried pre-buried unit 10b of styletable being made up of two pieces of styletable built-in metal plate 11b and some styletable built-in metal sleeve 12b in described precast concrete column 2；The prefabricated connection unit 20 being made up of beam-ends connecting plate 21, styletable connecting plate 22 and connection gusset plate 23；
When described precast concrete beam 1 is U-shaped beam, pre-buried for beam-ends unit 10a is carried out pre-buried according to Fig. 6, position shown in 7；
S2, at the construction field (site), hoisting prefabricated beams of concrete 1, precast concrete column 2 are in design attitude, and form cast-in-place region at rigging position place；
S3, connection unit 20 being placed on node place, and make the beam-ends connecting plate 21 of connection unit 20 with beam-ends built-in metal plate 11a to sticking together, styletable connecting plate 22 and styletable built-in metal plate 11b are to sticking together；
As shown in figs. 8-10, with beam-ends shape memory metal screw rod 30a traverse beam-ends backing plate 40a, beam-ends built-in metal plate 11a, beam-ends built-in metal sleeve 12a and beam-ends connecting plate 21, utilize nut to be fixedly connected at the two ends of beam-ends shape memory metal screw rod 30a, make connection unit 20 and precast reinforced concrete beam 1 link together；
As shown in Figure 8, when prefabricated reinforced concrete column 2 is side column, with styletable shape memory metal screw rod 30b through styletable backing plate 40b, styletable built-in metal plate 11b, styletable built-in metal sleeve 12b and styletable connecting plate 22, nut is utilized to be fixedly connected at the two ends of styletable shape memory metal screw rod 30b；When prefabricated reinforced concrete column 2 is not side column, with styletable shape memory metal screw rod 30b through styletable built-in metal plate 11b, styletable built-in metal sleeve 12b and styletable connecting plate 22, nut is utilized to be fixedly connected at the two ends of styletable shape memory metal screw rod 30b；Connection unit 20 and prefabricated reinforced concrete column 2 is made to link together；
S4, build cast-in-situ steel reinforced concrete 3 at the connection node place of precast reinforced concrete beam 1 and prefabricated reinforced concrete 2；When precast reinforced concrete beam 1 is U-shaped beam, the recess place of U-shaped beam and described connection node place are built cast-in-situ steel reinforced concrete 3 simultaneously；
S5, finally the end-fitting of energy dissipation brace 4 is connected and the fixing connection of connection gusset plate 23 being connected unit 20 by pin joint or bolt, complete node and assemble.
Claims (10)
1. an energy dissipation brace and the dual energy dissipation node of assembly concrete framework, it is characterized in that: this node includes the pre-buried unit of the beam-ends (10a) being embedded in precast concrete beam (1) respectively and the pre-buried unit of the styletable (10b) being embedded in precast concrete column (2), this node also includes the connection unit (20) being all connected with the pre-buried unit of described beam-ends (10a) and the pre-buried unit of styletable (10b)；This node also includes pre-buried for described beam-ends unit (10a) and the pre-buried unit of styletable (10b) and connects unit (20) and connect into an overall connection member or connect assembly.
2. energy dissipation brace according to claim 1 and the dual energy dissipation node of assembly concrete framework, it is characterised in that: the pre-buried unit of described beam-ends (10a) is identical with styletable pre-buried unit (10b) structure；Arbitrary pre-buried unit all includes the built-in metal plate that two boards face is parallel to each other, and two blocks of built-in metal plates all offer some through holes, and pre-buried unit also includes the built-in metal sleeve being fixedly connected between the corresponding through hole of two built-in metal plates；Described connection unit (20) is provided with the connecting hole that some and described built-in metal sleeve is corresponding；Pre-buried unit is connected into an entirety with being connected unit (20) through built-in metal sleeve and corresponding connecting hole by described connection member or connection assembly.
3. energy dissipation brace according to claim 2 and the dual energy dissipation node of assembly concrete framework, it is characterized in that: the prefabrication system of described precast concrete beam (1) is: after two pieces of beam-ends built-in metal plate (11a) being welded and fixed with the both ends of beam-ends built-in metal sleeve (12a) respectively, obtain the pre-buried unit of described beam-ends (10a), the beam steel cage made is positioned in beam forms, pre-buried for described beam-ends unit (10a) is placed through the end of beam steel cage again, and in the most backward beam forms, casting concrete can complete prefabricated；
The prefabrication system of described precast concrete column (2) is: obtain the pre-buried unit of described styletable (10b) after two pieces of styletables built-in metal plate (11b) being welded and fixed with the both ends of styletable built-in metal sleeve (12b) respectively, the post steel reinforcement cage made is positioned in column template, pre-buried for described styletable unit (10b) is placed through the end of post steel reinforcement cage again, and in the most backward column template, casting concrete can complete prefabricated.
4. energy dissipation brace according to claim 3 and the dual energy dissipation node of assembly concrete framework, it is characterized in that: described precast concrete beam (1) is U-shaped beam, one piece of beam-ends built-in metal plate (11a) in the pre-buried unit of described beam-ends (10a) is embedded in the concave surface of U-shaped beam, and another block beam-ends built-in metal plate (11a) is then embedded in the another side place of parallel U-shaped beam corresponding to described concave surface.
5. the energy dissipation brace according to Claims 2 or 3 or 4 and the dual energy dissipation node of assembly concrete framework, it is characterized in that: described connection unit (20) includes the beam-ends connecting plate (21) matched with the pre-buried unit of described beam-ends (10a), described beam-ends connecting plate (21) offers the beam-ends connecting hole (211) corresponding with beam-ends built-in metal sleeve (12a) in the pre-buried unit of described beam-ends (10a)；
Connect the styletable connecting plate (22) that unit (20) also includes matching with the pre-buried unit of described styletable (10b), described styletable connecting plate (22) offers the styletable connecting hole (221) corresponding with styletable built-in metal sleeve (12b) in the pre-buried unit of described styletable (10b)；
Connect unit (20) also to include connecting gusset plate (23), the plate face of described connection gusset plate (23), beam-ends connecting plate (21) and styletable connecting plate (22) three is vertically arranged between two, and connection gusset plate (23) is welded with beam-ends connecting plate (21) and styletable connecting plate (22) respectively and constitutes an entirety.
6. energy dissipation brace according to claim 5 and the dual energy dissipation node of assembly concrete framework, it is characterized in that: described connection assembly includes shape memory metal screw rod (30), and the two ends of shape memory metal screw rod (30) are provided with threaded section (31)；
It is beam-ends shape memory metal screw rod (30a) for connecting the shape memory metal screw rod (30) of the pre-buried unit of described beam-ends (10a) and connection unit (20), pre-buried for beam-ends unit (10a) and connection unit (20) are linked together by described beam-ends shape memory metal screw rod (30a) through described beam-ends built-in metal sleeve (12a) and corresponding beam-ends connecting hole (211), and threaded section of the two ends of beam-ends shape memory metal screw rod (30a) is provided with clamp nut；
It is styletable shape memory metal screw rod (30b) for connecting the shape memory metal screw rod (30) of the pre-buried unit of described styletable (10b) and connection unit (20), pre-buried for styletable unit (10b) and connection unit (20) are linked together by described styletable shape memory metal screw rod (30b) through described styletable built-in metal sleeve (12b) and corresponding styletable connecting hole (221), and threaded section of the two ends of styletable shape memory metal screw rod (30b) is provided with clamp nut.
7. the energy dissipation brace according to claim 5 or 6 and the dual energy dissipation node of assembly concrete framework, it is characterized in that: this node is provided with beam-ends backing plate (40a) in the side deviating from described connection unit (20) of the pre-buried unit of described beam-ends (10a), and described beam-ends backing plate (40a) offers the beam-ends backing plate connecting hole being easy to beam-ends shape memory metal screw rod (30a) traverse；
When described precast concrete column (2) is for side column, this node is provided with styletable backing plate (40b) in the side deviating from described connection unit (20) of the pre-buried unit of described styletable (10b), and described styletable backing plate (40b) offers the styletable backing plate connecting hole being easy to styletable shape memory metal screw rod (30b) traverse.
8. energy dissipation brace according to claim 7 and the dual energy dissipation node of assembly concrete framework, it is characterised in that: described connection gusset plate (23) is provided with the gusset plate connecting hole (231) being connected with energy dissipation brace (4).
9. energy dissipation brace as claimed in claim 7 and an assembly method for the dual energy dissipation node of assembly concrete framework, is characterized in that carrying out as follows:
S1, at the upper pre-buried pre-buried unit of the beam-ends (10a) being made up of two pieces of beam-ends built-in metal plate (11a) and some beam-ends built-in metal sleeve (12a) of described precast concrete beam (1)；At the upper pre-buried pre-buried unit of the styletable (10b) being made up of two pieces of styletables built-in metal plate (11b) and some styletables built-in metal sleeve (12b) of described precast concrete column (2)；The prefabricated connection unit (20) being made up of beam-ends connecting plate (21), styletable connecting plate (22) and connection gusset plate (23)；
S2, at the construction field (site), hoisting prefabricated beams of concrete (1), precast concrete column (2) are in design attitude；
S3, general connect unit (20) and are placed on node place, and making the beam-ends connecting plate (21) of connection unit (20) and beam-ends built-in metal plate (11a) to sticking together, styletable connecting plate (22) and styletable built-in metal plate (11b) are to sticking together；
With beam-ends shape memory metal screw rod (30a) traverse beam-ends backing plate (40a), beam-ends built-in metal plate (11a), beam-ends built-in metal sleeve (12a) and beam-ends connecting plate (21), utilize nut to be fixedly connected at the two ends of beam-ends shape memory metal screw rod (30a), make connection unit (20) and precast reinforced concrete beam (1) link together；
When prefabricated reinforced concrete column (2) is for side column, with styletable shape memory metal screw rod (30b) through styletable backing plate (40b), styletable built-in metal plate (11b), styletable built-in metal sleeve (12b) and styletable connecting plate (22), nut is utilized to be fixedly connected at the two ends of styletable shape memory metal screw rod (30b)；When prefabricated reinforced concrete column (2) is not side column, with styletable shape memory metal screw rod (30b) through styletable built-in metal plate (11b), styletable built-in metal sleeve (12b) and styletable connecting plate (22), nut is utilized to be fixedly connected at the two ends of styletable shape memory metal screw rod (30b)；Connection unit (20) and prefabricated reinforced concrete column (2) is made to link together；
S4, build cast-in-situ steel reinforced concrete at the connection node place of precast reinforced concrete beam (1) and prefabricated reinforced concrete (2)；
S5, finally the end-fitting of energy dissipation brace (4) is connected connection fixing with the connection gusset plate (23) being connected unit (20) by pin joint or bolt, complete node and assemble.
10. an assembly method according to claim 9, it is characterized in that: described precast concrete beam (1) is U-shaped beam, in S4 step, during cast-in-situ steel reinforced concrete, the recess place of U-shaped beam and described connection node place are built cast-in-situ steel reinforced concrete simultaneously.
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| CN112554336A (en) * | 2020-12-03 | 2021-03-26 | 太原理工大学 | Take BRB installation to bury assembled frame beam column rigid node of piece |
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| CN105804262B (en) | 2019-08-02 |
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