CN208088500U - A kind of prefabricated beam column crimping joint strengthening stirrup construction - Google Patents

A kind of prefabricated beam column crimping joint strengthening stirrup construction Download PDF

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Publication number
CN208088500U
CN208088500U CN201820128393.8U CN201820128393U CN208088500U CN 208088500 U CN208088500 U CN 208088500U CN 201820128393 U CN201820128393 U CN 201820128393U CN 208088500 U CN208088500 U CN 208088500U
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China
Prior art keywords
stirrup
prefabricated
section
energy consumption
reinforcing bar
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CN201820128393.8U
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Chinese (zh)
Inventor
郭海山
李明
李黎明
刘康
王冬雁
齐虎
田力达
耿娇
范昕
谢永兰
李桐
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China State Construction Engineering Corp Ltd CSCEC
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China State Construction Engineering Corp Ltd CSCEC
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Abstract

A kind of prefabricated beam column crimping joint strengthening stirrup construction, including prefabricated post and composite beam, composite beam includes prefabricated lower part and cast-in-place top, prefabricated lower part is connect with prefabricated post by horizontal post-tensioned prestressed reinforcement beam pressure, cast-in-place top is embedded with bending resistance energy consumption reinforcing bar in horizontal beam, bending resistance energy consumption reinforcing bar includes leading portion, soap-free emulsion polymeization section and has adhesive section in beam, the both sides of soap-free emulsion polymeization section are additionally provided with reinforcement stirrup, reinforce the crotch that the top 180 degree that stirrup includes the horizontal segment of bottom, the vertical section on top and vertical section is bent to form, soap-free emulsion polymeization section stretches into crotch.The utility model, by adding reinforcement stirrup in soap-free emulsion polymeization section, increases the energy dissipation capacity of structure, can effectively prevent energy consumption reinforcing bar lateral deflection on the basis of existing crimping node;With good energy consumption ability and progressive collapse-resisting ability and easy for construction, while engineering cost is saved.

Description

A kind of prefabricated beam column crimping joint strengthening stirrup construction
Technical field
The utility model belongs to adding for assembling type node installing area, especially a kind of precast concrete beam column crimping node Strong stirrup construction.
Background technology
Assembly concrete frame structure is the mode of construction that a kind of speed of application is fast, economic benefit and environmental benefit are good. In terms of the stress and from the point of view of in terms of convenience for construction, the joint structure of fabricated construction is all the influence factor of key.Currently, dress Bean column node with formula frame structure mostly uses the cast-in-place way in node area, and structural reinforcement is more, the reinforcing bar in node area evacuation compared with It is difficult.And the way wet construction heavy workload, construction efficiency be not high.The crimping way of another bean column node can be preferable Disadvantage mentioned above is avoided, structurally utilizes the prestressing force steel hinge line through prefabricated post and precast beam that bean column node is crimped on one It rises, construction efficiency is high, good in economic efficiency.But in actual mechanical process, here bean column node crimps way, and there are still energy consumptions Reinforcing bar constrains insufficient, the too early lateral deflection of reinforcing bar of consuming energy, the bad problem of node ductility in soap-free emulsion polymeization section.
Utility model content
The purpose of this utility model is to provide a kind of prefabricated beam column crimping joint strengthening stirrup construction, to solve existing beam column The technical issues of bending resistance energy consumption reinforced binding is insufficient in crimping node beam, too early lateral deflection.
To achieve the above object, the utility model adopts the following technical solution:
A kind of prefabricated beam column crimping joint strengthening stirrup construction, includes the prefabricated post and armored concrete of the concrete of connection Composite beam, the composite beam includes prefabricated lower part and cast-in-place top, and the prefabricated lower part passes through horizontal post-tensioning with prefabricated post Pre-stressing tendon crimps, and the cast-in-place top is embedded with bending resistance energy consumption reinforcing bar in horizontal beam, and the prefabricated post is interior, corresponds to beam The position of interior bending resistance energy consumption reinforcing bar is embedded with anchor bar in horizontal column
Bending resistance energy consumption reinforcing bar includes leading portion, soap-free emulsion polymeization section and has adhesive section in the beam, and the leading portion stretches into column and leads to Cross in the column etc. strong mechanical connecting joint connect with anchor bar in column, the soap-free emulsion polymeization section with there is adhesive section to be respectively positioned on to show Pour top, soap-free emulsion polymeization section is opposite to have adhesive section closer to prefabricated post,
The both sides of the soap-free emulsion polymeization section are additionally provided with and constrain its lateral deformation, are embedded in now along the length direction interval of composite beam The reinforcement stirrup on top is poured, it is described to reinforce the top 180 degree that stirrup includes the horizontal segment of bottom, the vertical section on top and vertical section The crotch being bent to form, the horizontal segment are placed in the uper side surface of prefabricated lower part, and the vertical section is generally aligned in the same plane with crotch Interior, the vertical plane of the soap-free emulsion polymeization section simultaneously stretches into crotch,
For bending resistance energy consumption reinforcing bar along the width direction setting energy consumption steel bar layer of composite beam, which includes at least two in the beam Bending resistance energy consumption reinforcing bar in spaced beam forms vertical energy consumption steel with the identical reinforcement stirrup of number of steel bars in energy consumption steel bar layer The stirrup of muscle layer reinforces face, and the stirrup reinforces face and is arranged at intervals with one group along the length direction of composite beam, and per pass stirrup is reinforced Reinforcement stirrup on face is corresponded with bending resistance energy consumption reinforcing bar in beam.
The prefabricated lower part is embedded with the spaced one group of beam stirrup of length direction along composite beam, the beam stirrup Reinforce the setting spacing and beam in face in the upside of cast-in-place top, banding the bending resistance energy consumption reinforcing bar in beam, the stirrup in upper portion The setting spacing of stirrup is identical, with beam stirrup interlaced arrangement.
The diameter for reinforcing stirrup is not less than 6mm, and the length of the crotch bending is straight not less than 6 times of reinforcement stirrup Diameter, the height of the vertical section are not less than 20 times of reinforcement stirrup diameter, and the length of the horizontal segment is not less than 20 times of reinforcement Stirrup diameter.
The reinforcement stirrup is plane inner bending, and horizontal segment, which is generally aligned in the same plane with vertical section and crotch in interior and beam, to be resisted Curved energy consumption reinforcing bar is vertical,
The energy consumption steel bar layer is equipped with bending resistance energy consumption reinforcing bar in two beams, and it includes twice Reinforced Hoop that the stirrup, which reinforces face, Muscle, twice are reinforced stirrup opening and are oppositely arranged inwardly, and twice reinforce the horizontal segment of stirrup against connection, and twice reinforce the perpendicular of stirrup Straight section is located at the outside of bending resistance energy consumption reinforcing bar in two beams.
The reinforcement stirrup is to be bent outside plane, and the plane of the vertical vertical section of horizontal segment and crotch consumes energy with bending resistance in beam Parallel reinforced steel bar,
The energy consumption steel bar layer is equipped with bending resistance energy consumption reinforcing bar at least two beams, all openings directions one for reinforcing stirrups It causes, it includes that at least twice reinforce stirrup that the stirrup, which reinforces face, and the vertical section that outermost twice reinforce stirrup is located at most The outside of bending resistance energy consumption reinforcing bar in the beam of two, outside.
The steel area of soap-free emulsion polymeization section constriction on the basis of former section, the decrement of necked-down section product are former sectional area 50%-90%, the flush of the end face outside and prefabricated post of the strong mechanical connecting joint such as described, the initial position of necking section is Start at the position diameter of 1-3 times of bar diameter of front end face apart from soap-free emulsion polymeization section until arriving the breech face of soap-free emulsion polymeization section.
The horizontal column prestressed pore passage for running through cylinder is provided in the prefabricated post, the corresponding position of the prefabricated lower part is equipped with Run through the girder pre-stressed duct of beam body along its length, post-tensioning is integrally installed in the column prestressed pore passage and girder pre-stressed duct The outer end of pre-stressing tendon, the post-tensioned prestressed reinforcement beam is anchored at the back surface of prefabricated post by anchoring assembly.
It reserves and has the gap between the prefabricated post and prefabricated lower part, the width in gap is 20mm~35mm, is inoculated in gap Grouting material.
The utility model has the characteristics that and advantageous effect compared with prior art:
The utility model is related to a kind of reinforcement stirrup construction crimping node suitable for prefabricated beam column, this node concretes It is equipped with pre-buried duct in earth pillar and precast concrete beam, post-tensioned prestressing steel tendon makes precast concrete column and prefabricated mixed in duct Solidifying Tu Liang is crimped together.On the basis of existing crimping node, bending resistance energy consumption steel is set in the cast-in-place part of composite beam Muscle, bending resistance consume energy reinforcing bar one end and column in embedded bar connect, bending resistance consume energy reinforcing bar in by way of wrapping up plastic foil Soap-free emulsion polymeization section is set, while the side of soap-free emulsion polymeization section is equipped with the reinforcement stirrup for constraining its lateral deformation, increases the energy consumption energy of structure Power can effectively prevent energy consumption reinforcing bar lateral deflection;This mode, which is achieved on the basis of not increasing beam stirrup, ensure that energy consumption reinforcing bar The stability of soap-free emulsion polymeization section, the anti-seismic performance of enhancing structure have good energy-dissipating property and progressive collapse-resisting ability, same to time About cost, easy for construction.
The utility model is mainly used for assembly concrete frame and frame-shear wall building, public is built suitable for more high-rise It builds, such as school, office building, apartment, hospital.
Description of the drawings
The utility model is described in more detail below in conjunction with the accompanying drawings.
Fig. 1 is the side cross-sectional view of the utility model.
Fig. 2 is dimensional structure diagram when soap-free emulsion polymeization section does not pour cast-in-place top also in embodiment one.
Fig. 3 is the side view arrangement schematic diagram for reinforcing stirrup and soap-free emulsion polymeization section in Fig. 2.
Fig. 4 is the side structure schematic view in Fig. 3.
Fig. 5 is the dimensional structure diagram of Fig. 3 or Fig. 4.
Fig. 6 is dimensional structure diagram when soap-free emulsion polymeization section does not pour cast-in-place top also in embodiment two.
Fig. 7 is the side view arrangement schematic diagram for reinforcing stirrup and soap-free emulsion polymeization section in Fig. 6.
Fig. 8 is the side structure schematic view in Fig. 7.
Fig. 9 is the dimensional structure diagram of Fig. 7 or Fig. 8.
Reference numeral:1- prefabricated posts, 11- columns prestressed pore passage, the prefabricated lower parts 2-, the girder pre-stressed ducts 21-, 3- Cast-in-place top, 4- post-tensioned prestressed reinforcements beam, bending resistance energy consumption reinforcing bar, 51- leading portions, 52- soap-free emulsion polymeizations section, 53- have in 5- beams In adhesive section, 6- columns the strong mechanical connecting joint such as anchor bar, 7-, 8- reinforce stirrup, 81- horizontal segments, 82- vertical sections, 83- crotches, 9- beam stirrups, 10- anchoring assemblies, the gaps 12-, 13- grouting materials, 14- temporary supports, 15- plastic foils.
Specific implementation mode
For embodiment one referring to shown in Fig. 1-5, a kind of prefabricated beam column crimping joint strengthening stirrup construction includes the coagulation of connection The composite beam of the prefabricated post 1 and armored concrete of soil, the composite beam include prefabricated lower part 2 and cast-in-place top 3, it is described it is prefabricated under Portion 2 is crimped with prefabricated post by horizontal post-tensioned prestressed reinforcement beam 4, and the cast-in-place top 3 is embedded with bending resistance in horizontal beam Consume energy reinforcing bar 5, and the position of bending resistance energy consumption reinforcing bar 5 is embedded with anchor bar 6 in horizontal column in the prefabricated post, in corresponding beam.
Bending resistance energy consumption reinforcing bar 5 includes leading portion 51, soap-free emulsion polymeization section 52 and has adhesive section 53, the leading portion 51 to stretch into the beam In column and by column etc. strong mechanical connecting joint 7 connect with anchor bar in column 6, the soap-free emulsion polymeization section 52 with have it is viscous Knot section 53 is respectively positioned on cast-in-place top 3, and soap-free emulsion polymeization section 52 is opposite to have adhesive section 53 closer to prefabricated post.Described in Fig. 1, preceding segment length Degree is d, and soap-free emulsion polymeization segment length is e, and it is f to have adhesive section.
The steel area of the soap-free emulsion polymeization section 52 constriction on the basis of former section, the decrement of necked-down section product are former section Long-pending 50%-90%, the flush of the end face outside and prefabricated post of the strong mechanical connecting joint such as described 7, the length of necking section are H, initial position are that the position of 1-3 times of bar diameter of front end face apart from soap-free emulsion polymeization section 52 starts until arriving the tail of soap-free emulsion polymeization section 52 End face.Shown in Figure 1, the length of 1-3 times of bar diameter is g, i.e. e=g+h.
The horizontal column prestressed pore passage 11 for running through cylinder, the corresponding position of the prefabricated lower part 2 are provided in the prefabricated post 1 It is whole in the column prestressed pore passage 11 and girder pre-stressed duct 21 equipped with the girder pre-stressed duct 21 for running through beam body along its length Body is installed with post-tensioned prestressed reinforcement beam 4, and the outer end of the post-tensioned prestressed reinforcement beam 4 is anchored at prefabricated by anchoring assembly 10 The back surface of column 1.
It is reserved between the prefabricated post 1 and prefabricated lower part 2 and has the gap 12, the width in gap is 20mm~35mm, in gap It is inoculated with grouting material 13.
The both sides of the soap-free emulsion polymeization section 52 are additionally provided with and constrain its lateral deformation, are embedded in along the length direction interval of composite beam The reinforcement stirrup 8 on cast-in-place top 3 is reinforced stirrup and is integrally bent by a reinforcing bar, the water reinforced stirrup 8 and include bottom The crotch 83 that the top 180 degree of flat section 81, the vertical section on top 82 and vertical section 82 is bent to form, the horizontal segment 81 are placed in pre- The uper side surface of lower part 2 processed, the vertical section 82 are generally aligned in the same plane interior, 52 vertical plane of the soap-free emulsion polymeization section with crotch 83 And it stretches into crotch 83.
For bending resistance energy consumption reinforcing bar 5 along the width direction setting energy consumption steel bar layer of composite beam, which includes at least two in the beam Bending resistance energy consumption reinforcing bar 5 in the spaced beam of root, reinforcement stirrup identical with number of steel bars in energy consumption steel bar layer 8 form vertical consumption The stirrup of energy steel bar layer reinforces face, and the stirrup reinforces face and is arranged at intervals with one group along the length direction of composite beam, per pass stirrup Reinforcement stirrup 8 on reinforcement face is corresponded with bending resistance energy consumption reinforcing bar 5 in beam.
The prefabricated lower part 2 is embedded with the spaced one group of beam stirrup 9 of length direction along composite beam, the beam stirrup Reinforce the setting spacing in face in the upside of cast-in-place top 3, banding the bending resistance energy consumption reinforcing bar 5 in beam, the stirrup in 9 upper portion And beam stirrup 9 interlaced arrangement identical as the setting spacing of beam stirrup 9.
The diameter for reinforcing stirrup 8 is not less than 6mm, and the length a that the crotch 83 is bent is not less than 6 times of reinforcement stirrup 8 diameters, the height b of the vertical section 82 are not less than 20 times of 8 diameter of reinforcement stirrup, and the length c of the horizontal segment 81 is not less than 20 times of 8 diameter of reinforcement stirrup.
In the present embodiment, the reinforcement stirrup 8 is plane inner bending, and horizontal segment 81 is located at same with vertical section 82 and crotch 83 The reinforcing bar 5 that consumes energy in one plane, with bending resistance in beam is vertical.The energy consumption steel bar layer is equipped with bending resistance energy consumption reinforcing bar 5 in two beams, described It includes that twice reinforce stirrup 8 that stirrup, which reinforces face, and twice are reinforced the opening of stirrup 8 and are oppositely arranged inwardly.Two reinforcement pairs of cloth of stirrup It sets, constrains bending resistance energy consumption reinforcing bar in two beams respectively.Twice reinforce the horizontal segment 81 of stirrup 8 against connection, and twice reinforce stirrup 8 Vertical section 82 be located at the outside of the energy consumption reinforcing bar 5 of bending resistance in two beams.
The construction method of this prefabricated beam column crimping joint strengthening stirrup construction, construction procedure are as follows:
Step 1: making prefabricated lower part 2 in factory, the girder pre-stressed duct 21 in prefabricated lower part, pre-buried beam stirrup are processed 9;Make prefabricated post, processing column prestressed pore passage 11, in pre- buried column anchor bar 6 and etc. strong mechanical connecting joint 7, and will etc. it is strong Anchor bar 6 connects in one end of mechanical connecting joint 7 and column;Process the necking section of bending resistance energy consumption reinforcing bar 5 in beam;Processing is reinforced Stirrup 8.
Step 2: prefabricated post 1 and prefabricated lower part 2 are lifted in place, connected with prefabricated post 1 using the bottom in prefabricated lower part 2 The temporary support 14 for connecing position setting is fixed temporarily, and grouting material 13 is perfused in gap 12.
Step 3: girder pre-stressed duct 21 and column prestressed pore passage 11 are aligned, then answered in advance through post-tensioning in duct Power tendon 4 and tensioning.
Consume energy reinforcing bar 5 Step 4: the top predeterminated position in prefabricated lower part 2 is laid with bending resistance in beam, in beam bending resistance consume energy steel The leading portion 51 of muscle 5 and one end simultaneously wait the other end of strong mechanical connecting joint 7 to connect, and then wrap up and moulding in the outside of soap-free emulsion polymeization section 52 Expect film 15.
Step 5: reinforcing face by stirrup in soap-free emulsion polymeization section 52 is sequentially arranged reinforcement stirrup 8, it is curved in plane to reinforce stirrup Folding, will reinforce 8 place plane of stirrup and is parallel in beam bending resistance energy consumption reinforcing bar 5 being inserted between energy consumption reinforcing bar first, by crotch 83 to Under be sleeved on energy consumption reinforcing bar 1 top, then by reinforce stirrup 8 be rotated by 90 °, so that the crotch 83 of reinforcement stirrup 8 is caught on bending resistance in beam Consume energy reinforcing bar 5.
Step 6: pouring the concrete on cast-in-place top 3, construction construction is completed.
Implement two referring to shown in Fig. 1,6-9, is bent outside what is different from the first embodiment is that the reinforcement stirrup 8 is plane, water 81 vertical vertical section 82 of flat section and the plane of crotch 83, the reinforcing bar 5 that consumes energy with bending resistance in beam are parallel.The energy consumption steel bar layer is equipped with three Bending resistance energy consumption reinforcing bar 5 in root beam, all openings for reinforcing stirrups 8 towards unanimously, reinforce face and include three Reinforced Hoops by the stirrup Muscle 8, the vertical section 82 of outermost twice reinforcement stirrup 8 are located at the outside of bending resistance energy consumption reinforcing bar 5 in two beams of outermost. The arbitrary side of bending resistance energy consumption reinforcing bar is arranged in intermediate beam in intermediate reinforcement stirrup 8.
The construction method of this prefabricated beam column crimping joint strengthening stirrup construction, construction procedure are as follows:
Step 1: making prefabricated lower part 2 in factory, the girder pre-stressed duct 21 in prefabricated lower part, pre-buried beam stirrup are processed 9;Make prefabricated post, processing column prestressed pore passage 11, in pre- buried column anchor bar 6 and etc. strong mechanical connecting joint 7, and will etc. it is strong Anchor bar 6 connects in one end of mechanical connecting joint 7 and column;Process the necking section of bending resistance energy consumption reinforcing bar 5 in beam;Processing is reinforced Stirrup 8.
Step 2: prefabricated post 1 and prefabricated lower part 2 are lifted in place, connected with prefabricated post 1 using the bottom in prefabricated lower part 2 The temporary support 14 for connecing position setting is fixed temporarily, and grouting material 13 is perfused in gap 12.
Step 3: girder pre-stressed duct 21 and column prestressed pore passage 11 are aligned, then answered in advance through post-tensioning in duct Power tendon 4 and tensioning.
Consume energy reinforcing bar 5 Step 4: the top predeterminated position in prefabricated lower part 2 is laid with bending resistance in beam, in beam bending resistance consume energy steel The leading portion 51 of muscle 5 and one end simultaneously wait the other end of strong mechanical connecting joint 7 to connect, and then wrap up and moulding in the outside of soap-free emulsion polymeization section 52 Expect film 15.
Step 5: reinforcing face by stirrup in soap-free emulsion polymeization section 52 is sequentially arranged reinforcement stirrup 8, reinforcement stirrup 8 is plane excurvation Folding, reinforcement stirrup 8 is vertically fallen directly from the top down makes crotch 83 catch on energy consumption reinforcing bar 1.
Step 6: pouring the concrete on cast-in-place top 3, construction construction is completed.

Claims (8)

1. a kind of prefabricated beam column crimping joint strengthening stirrup construction, includes the prefabricated post of the concrete of connection(1)And reinforced concrete The composite beam of soil, the composite beam includes prefabricated lower part(2)With cast-in-place top(3), the prefabricated lower part(2)Pass through with prefabricated post Horizontal post-tensioned prestressed reinforcement beam(4)Crimping, the cast-in-place top(3)It is embedded with bending resistance energy consumption reinforcing bar in horizontal beam(5), In the prefabricated post, correspond to bending resistance energy consumption reinforcing bar in beam(5)Position be embedded with anchor bar in horizontal column(6), feature It is:
Bending resistance energy consumption reinforcing bar in the beam(5)Including leading portion(51), soap-free emulsion polymeization section(52)And have adhesive section(53), the leading portion (51)Stretch into column and by column etc. strong mechanical connecting joint(7)With anchor bar in column(6)Connection, the nothing are viscous Tie section(52)And have adhesive section(53)It is respectively positioned on cast-in-place top(3), soap-free emulsion polymeization section(52)It is opposite to have adhesive section(53)Closer to pre- Column processed,
The soap-free emulsion polymeization section(52)Both sides be additionally provided with constrain its lateral deformation, be embedded in along the length direction interval of composite beam it is existing Pour top(3)Reinforcement stirrup(8), the reinforcement stirrup(8)Horizontal segment including bottom(81), top vertical section(82)With Vertical section(82)The crotch that is bent to form of top 180 degree(83), the horizontal segment(81)It is placed in prefabricated lower part(2)Upside table Face, the vertical section(82)With crotch(83)In being generally aligned in the same plane, the soap-free emulsion polymeization section(52)The vertical plane simultaneously stretches into curved Hook(83)It is interior,
Bending resistance energy consumption reinforcing bar in the beam(5)Along the width direction setting energy consumption steel bar layer of composite beam, which includes at least two Bending resistance energy consumption reinforcing bar in spaced beam(5), reinforcement stirrup identical with number of steel bars in energy consumption steel bar layer(8)It is formed vertical The stirrup for the steel bar layer that consumes energy reinforces face, and the stirrup reinforces face and is arranged at intervals with one group along the length direction of composite beam, per pass hoop Reinforcement stirrup on muscle reinforcement face(8)Consume energy with bending resistance in beam reinforcing bar(5)It corresponds.
2. prefabricated beam column crimping joint strengthening stirrup construction according to claim 1, it is characterised in that:The prefabricated lower part (2)It is embedded with the spaced one group of beam stirrup of length direction along composite beam(9), the beam stirrup(9)Upper portion in Cast-in-place top(3), banding in beam bending resistance consume energy reinforcing bar(5)Upside, the stirrup reinforces the setting spacing and beam stirrup in face (9)Setting spacing is identical and beam stirrup(9)Interlaced arrangement.
3. prefabricated beam column crimping joint strengthening stirrup construction according to claim 1 or 2, it is characterised in that:The reinforcement Stirrup(8)Diameter be not less than 6mm, the crotch(83)The length of bending is not less than 6 times of reinforcement stirrup(8)Diameter, it is described Vertical section(82)Height be not less than 20 times of reinforcement stirrup(8)Diameter, the horizontal segment(81)Length not less than 20 times Reinforce stirrup(8)Diameter.
4. prefabricated beam column crimping joint strengthening stirrup construction according to claim 3, it is characterised in that:The reinforcement stirrup (8)For plane inner bending, horizontal segment(81)With vertical section(82)And crotch(83)It consumes energy in being generally aligned in the same plane, with bending resistance in beam Reinforcing bar(5)Vertically,
The energy consumption steel bar layer is equipped with bending resistance energy consumption reinforcing bar in two beams(5), it includes that twice reinforce stirrup that the stirrup, which reinforces face, (8), twice reinforcement stirrup(8)Opening is oppositely arranged inwardly, and twice reinforce stirrup(8)Horizontal segment(81)Against connection, twice Reinforce stirrup(8)Vertical section(82)It is located at bending resistance energy consumption reinforcing bar in two beams(5)Outside.
5. prefabricated beam column crimping joint strengthening stirrup construction according to claim 3, it is characterised in that:The reinforcement stirrup (8)To be bent outside plane, horizontal segment(81)Perpendicular to vertical section(82)And crotch(83)Plane, with beam in bending resistance consume energy reinforcing bar (5)It is parallel,
The energy consumption steel bar layer is equipped with bending resistance energy consumption reinforcing bar at least two beams(5), all reinforcement stirrups(8)Opening towards one It causes, it includes that at least twice reinforce stirrup that the stirrup, which reinforces face,(8), outermost twice reinforcement stirrup(8)Vertical section(82) It is located at bending resistance energy consumption reinforcing bar in two beams of outermost(5)Outside.
6. prefabricated beam column crimping joint strengthening stirrup construction according to claim 4 or 5, it is characterised in that:The nothing is viscous Tie section(52)Steel area on the basis of former section constriction, necked-down section product decrement is the 50%-90% of former sectional area, institute The strong mechanical connecting joint such as state(7)End face outside and prefabricated post flush, the initial position of necking section is distance without viscous Tie section(52)1-3 times of bar diameter of front end face position at start until arrive soap-free emulsion polymeization section(52)Breech face.
7. prefabricated beam column crimping joint strengthening stirrup construction according to claim 6, it is characterised in that:The prefabricated post (1)On be provided with the horizontal column prestressed pore passage for running through cylinder(11), the prefabricated lower part(2)Corresponding position be equipped with along length side To through the girder pre-stressed duct of beam body(21), the column prestressed pore passage(11)With girder pre-stressed duct(21)Interior entirety is installed with Post-tensioned prestressed reinforcement beam(4), the post-tensioned prestressed reinforcement beam(4)Outer end pass through anchoring assembly(10)It is anchored at prefabricated Column(1)Back surface.
8. prefabricated beam column crimping joint strengthening stirrup construction according to claim 7, it is characterised in that:The prefabricated post (1)With prefabricated lower part(2)Between reserve have the gap(12), the width in gap is 20mm~35mm, and grouting material is inoculated in gap (13).
CN201820128393.8U 2018-01-25 2018-01-25 A kind of prefabricated beam column crimping joint strengthening stirrup construction Expired - Fee Related CN208088500U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108179808A (en) * 2018-01-25 2018-06-19 中国建筑股份有限公司 A kind of prefabricated beam column crimping joint strengthening stirrup construction and its construction method
CN110409647A (en) * 2019-07-16 2019-11-05 东南大学 A kind of easy reparation assembly concrete steel frame ductility energy dissipation node of unilateral surrender

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108179808A (en) * 2018-01-25 2018-06-19 中国建筑股份有限公司 A kind of prefabricated beam column crimping joint strengthening stirrup construction and its construction method
CN110409647A (en) * 2019-07-16 2019-11-05 东南大学 A kind of easy reparation assembly concrete steel frame ductility energy dissipation node of unilateral surrender
CN110409647B (en) * 2019-07-16 2021-06-25 东南大学 Easily-repaired assembled concrete frame ductility energy dissipation node with single-side yield

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