CN206468033U - A kind of steel plate reinforcement structure - Google Patents
A kind of steel plate reinforcement structure Download PDFInfo
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- CN206468033U CN206468033U CN201720089911.5U CN201720089911U CN206468033U CN 206468033 U CN206468033 U CN 206468033U CN 201720089911 U CN201720089911 U CN 201720089911U CN 206468033 U CN206468033 U CN 206468033U
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- steel plate
- close
- bar
- vierendeel girder
- frame column
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Abstract
The utility model discloses a kind of steel plate reinforcement structure, including Vierendeel girder, frame column, bar steel plate, L-type steel plate, U-shaped part, crab-bolt, bolt, keeper plate of steel and adhesives, bar steel plate includes being close to the stickup area of Vierendeel girder upper surface and positioned at the additional zone for pasting area two ends, L-type steel plate includes the horizontal ends being close on bar steel plate additional zone and the vertical end for being close to frame column surface, vertical end is externally provided with U-shaped part, and the inner surface of U-shaped part is close to the vertical end frame column surface of L-type steel plate respectively.The utility model is raising existing reinforced concrete structure catenary effect, the catenary effect of existing reinforced concrete structure is improved by setting steel plate reinforcement structure on Vierendeel girder and frame column, and then improve the anti-vertical Progressive Collapse performance of structure.The utility model is not only drawn materials simply, easy construction, and quality is easily controllable, and steel plate is applied to various adverse circumstances in addition, has good practicality to environment such as high temperature and severe corrosives.
Description
Technical field
The utility model is related to building field, more particularly to a kind of existing reinforced concrete structure catenary effect that improves
Steel plate reinforcement structure.
Background technology
Structural continuity, which collapses, refers to that structure causes structure to occur initial local destruction due to accident, then
Cause the component being connected with destruction component continuously to destroy, ultimately result in the total Collapse of structure or collapse on a large scale.
The domestic research at this stage to the anti-Progressive Collapse of structure is not yet ripe.All current designs specifications of China only have
《Code for design of concrete structures》GB 50010-2010 3.6 section and《Technical specification for concrete structures of high-rise building》JGJ 3-
2010 provide the anti-Progressive Collapse design principle of structure in the 3.12.1 articles, not specific, setting with operability
Meter method and flow, the method for more not improving existing structure collapse resistant capacity, Approaches for Progressive Collapse of Structures are still civil engineering field
Unavoidable significant problem.
Under accidental load (macroseism, blast, hurricane etc.) effect, after frame structure vertical applied force component failure, restained beam
Elastic stage, elastic-plastic phase can be sequentially entered, and then surrenders generation plastic hinge, the meter as transition mechanism, now beam
Span and deformation increase suddenly are calculated, catenary effect is formed.The catenary effect of structure can significantly slow down because of accidental load
The continuous collapse for causing post to be triggered after failing, and the last line of defense as anti-Progressive Collapse.And existing structure
Most beam top longitudinal reinforcement is truncated, and serious weakening is played to structure formation catenary effect, is unfavorable for anti-vertical
Progressive Collapse.So, the catenary effect of existing structure how is improved, makes to prevent whole after structure vertical applied force component failure
The Progressive Collapse of body, is the important step of engineering design moderate resistance Progressive Collapse.
Utility model content
The purpose of this utility model be to provide it is a kind of can improve the steel plate reinforcement structure of existing structure catenary effect, lead to
Cross and set steel plate reinforcement structure on Vierendeel girder and frame column to improve the catenary effect of existing reinforced concrete structure, and then
Improve the anti-vertical Progressive Collapse performance of structure.
To realize purpose, the technical solution of the utility model is：A kind of steel plate reinforcement structure, including Vierendeel girder, frame column,
The Vierendeel girder is that beam body has the existing reinforced concrete beam that upper reinforcement blocks design, Vierendeel girder top Reinforcement
Reinforcing bar move towards identical and in a plurality of parallel lines, the no-reinforcing-bar region that the reinforcing bar is walked between upward steel bar stress is
The reinforcing bar blocking district of Vierendeel girder, in addition to
Bar steel plate, including area and the additional zone positioned at stickup area two ends are pasted, the bar steel plate is close to Vierendeel girder
Upper surface, and area's covering reinforcing bar blocking district is pasted, additional zone is provided with spaced bolt hole；Bar steel plate is close to Vierendeel girder one
Side is provided with adhesives；
L-type steel plate, the L-type steel plate includes being close to the horizontal ends of bar steel plate additional zone and is close to frame column surface
Vertical end, horizontal ends are provided with spaced bolt hole, and vertical end is sequentially provided with U-shaped part and bolt along away from horizontal extreme direction
Hole；The bolt hole of L-type steel plate is externally provided with the keeper plate of steel for being close to horizontal ends, vertical end, and the keeper plate of steel is provided with bolt hole, bolt
Bolt is provided with hole；L-type steel plate is close to Vierendeel girder or frame column or bar steel plate side is provided with adhesives；
The inner surface of the U-shaped part is close to the vertical end of L-type steel plate and the frame column surface of vertical end both sides, U respectively
Type part, which is provided with pressure port, pressure port, is provided with crab-bolt, for U-shaped part to be fixedly connected with frame column；U-shaped part inner surface is provided with viscous
Connect material.
As a kind of preferred scheme of this programme, the bolt uses M12 bolts.
As a kind of preferred scheme of this programme, the crab-bolt uses M16 crab-bolts.
The beneficial effects of the utility model are：
1st, the utility model can preferably solve existing frame structure by the affixing steel plate on Vierendeel girder and frame column
The problem of catenary effect is not enough is blocked in large deformation, strengthens the anti-vertical Progressive Collapse ability of existing structure.In addition, this practicality
It is new also to be fixed in addition to using adhesives bonding steel plate by anchoring piece, in frame structure deformation process, structural elements
Shear force stress is transmitted initial stage by colloid in face, and the stress later stage is transmitted by bolt, when two kinds of reinforcing means are directed to different respectively
Phase malformation.
2nd, the utility model is not only drawn materials simple using steel plate as reinforcement material, easy construction, and quality is easy to control
Make, steel plate is applied to various adverse circumstances in addition, has good practicality to environment such as high temperature and severe corrosives.
Brief description of the drawings
Fig. 1 is the structural representation that the utility model reinforces state；
Fig. 2 is the top view that the utility model reinforces state；
Fig. 3 is structural representation when the utility model is arranged in frame column capital.
Embodiment
The technical scheme in the utility model embodiment is clearly and completely described below in conjunction with accompanying drawing.
As Figure 1-3, a kind of steel plate reinforcement structure, including Vierendeel girder 1, frame column 2, the Vierendeel girder 1 are deposited for beam body
Block the existing reinforced concrete beam of design in upper reinforcement, the reinforcing bar of the top Reinforcement of Vierendeel girder 1 move towards it is identical and
In a plurality of parallel lines, the reinforcing bar is walked the no-reinforcing-bar region between upward steel bar stress and cut for the reinforcing bar of Vierendeel girder 1
Disconnected area, in addition to
Bar steel plate 3, including area 5 and the additional zone 6 positioned at the stickup two ends of area 5 are pasted, the bar steel plate 3 is close to frame
Set a roof beam in place 1 upper surface, and paste the covering of area 5 reinforcing bar blocking district, additional zone 6 is provided with spaced bolt hole (not marked in figure)；
Bar steel plate 3 is close to the side of Vierendeel girder 1 provided with adhesives (not marked in figure)；
L-type steel plate 4, the L-type steel plate 4 includes being close to the horizontal ends 7 of the additional zone 6 of bar steel plate 3 and is close to framework
The vertical end 8 on the surface of post 2, horizontal ends 7 are provided with spaced bolt hole, and vertical end 8 is sequentially provided with along away from the direction of horizontal ends 7
U-shaped part 9 and bolt hole；The bolt hole of L-type steel plate 4 is externally provided with the keeper plate of steel 11 for being close to horizontal ends 7, vertical end 8, the steel pressure
Plate 11, which is provided with bolt hole, bolt hole, is provided with bolt 12, and preferred as one kind of the present embodiment, the bolt 12 uses M12 spiral shells
Bolt；L-type steel plate is close to Vierendeel girder 1 or frame column 2 or the side of bar steel plate 3 is provided with adhesives；
The inner surface of the U-shaped part 9 is close to the vertical end 8 of L-type steel plate 4 and the table of frame column 2 of the both sides of vertical end 8 respectively
Face, U-shaped part 9, which is provided with pressure port (not marked in figure), pressure port, is provided with crab-bolt 10, for U-shaped part 9 and frame column 2 to be fixed
Connection, preferred as one kind of the present embodiment, the crab-bolt 10 uses M16 crab-bolts；The U-shaped inner surface of part 9 is provided with adhesives.
A kind of construction method of steel plate reinforcement structure includes：
Step 1) size of bar steel plate 3 is calculated,
Bar steel plate width w is：
W=f 'y*A′s/ff*h
Wherein, f 'yFor the tensile strength design load of steel bar stress, A 'sFor the area of section of steel bar stress, ffFor bar shaped steel
The tensile strength design load of plate 3；
Paste the length l of area 50For：Reinforcing bar walks upward two ends and blocks reinforcing bar section in reinforcing bar blocking district where bar steel plate 3
The maximum of disconnected place's distance；
The length l of additional zone 6spFor：
lsp≥fsp*tsp/fbd+200mm
Wherein, fspFor the tensile strength design load of bar steel plate 3, tspFor the gross thickness of bar steel plate 3, fbdFor bar steel plate 3
Adhesion strength design load between concrete；
Step 2) size of L-type steel plate 4 is calculated,
The width w of L-type steel plate 4LFor：wL≥w；The length of horizontal ends 7 is 1000mm；The length of vertical end 8 is 500mm；
Step 3) according to step 1), step 2) and site operation environment processing bar steel plate 3 and L-type steel plate 4；
Step 4) bar steel plate 3 is pasted onto by the upper surface of Vierendeel girder 1 by adhesives, and paste area 5 along its length
Cover reinforcing bar blocking district；
Step 5) horizontal ends 7 of L-type steel plate 4 and the outer surface of vertical end 8 are respectively adhered on by bar shaped steel by adhesives
Plate 3 and the surface of frame column 2, and the bolt hole of horizontal ends 7 and the bolt hole of additional zone 6 formation through hole；
Step 6) in vertical end 8 close to the U-shaped part 9 of inner surface setting of horizontal ends 7, the U-shaped inner ring surface of part 9 passes through adhesives
The surface of frame column 2 of the surface of vertical end 8 and the both sides of vertical end 8 is respectively adhered on, and anchor is set in the U-shaped pressure at two ends hole of part 9
Bolt 10, crab-bolt 10 is through bolt hole 14 and inserts in frame column 2；
Step 7) keeper plate of steel 11 is set outside the bolt hole of vertical end 8, bolt 12 sequentially passes through keeper plate of steel 11 and vertical end 8
Bolt hole and insert in frame column 2；Keeper plate of steel 11 is set outside the bolt hole of horizontal ends 7, and bolt 12 sequentially passes through keeper plate of steel
11st, the bolt hole of horizontal ends 7 and additional zone 6 and insert in Vierendeel girder 1.
It is preferred as one kind of the present embodiment, when the L-type steel plate 4 is arranged on 2 top of frame column, the level of L-type steel plate 4
End 7 and the inner surface of vertical end 8 are respectively adhered on bar steel plate 3 and the surface of frame column 2, and the length of vertical end 8 is 800mm.
As the present embodiment one kind preferably, when the bar steel plate 3 needs overlap joint, adjacent two layers steel plate blocks position
It should stagger not less than 300mm, and add keeper plate of steel 11 in truncated position and bolt 12 is anchored.
Described embodiment is only a part of embodiment of the utility model, rather than whole embodiments.Based on this
Embodiment in utility model, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its
His embodiment, belongs to scope of the present utility model.
Claims (3)
1. there is upper reinforcement for beam body and block design in a kind of steel plate reinforcement structure, including Vierendeel girder, frame column, the Vierendeel girder
Existing reinforced concrete beam, the reinforcing bar of Vierendeel girder top Reinforcement moves towards identical and in a plurality of parallel lines,
The no-reinforcing-bar region that the reinforcing bar walks between upward steel bar stress is the reinforcing bar blocking district of Vierendeel girder, it is characterised in that also wrapped
Include
Bar steel plate, including area and the additional zone positioned at stickup area two ends are pasted, the bar steel plate is close to Vierendeel girder upper table
Face, and area's covering reinforcing bar blocking district is pasted, additional zone is provided with spaced bolt hole；Bar steel plate is close to Vierendeel girder side and set
There is adhesives；
L-type steel plate, the L-type steel plate includes being close to the horizontal ends of bar steel plate additional zone and is close to the perpendicular of frame column surface
Straight end, horizontal ends are provided with spaced bolt hole, and vertical end is sequentially provided with U-shaped part and bolt hole along away from horizontal extreme direction；L
The bolt hole of shape steel plate is externally provided with the keeper plate of steel for being close to horizontal ends, vertical end, and the keeper plate of steel is provided with bolt hole, bolt hole
Provided with bolt；L-type steel plate is close to Vierendeel girder or frame column or bar steel plate side is provided with adhesives；
The inner surface of the U-shaped part is close to the vertical end of L-type steel plate and the frame column surface of vertical end both sides, U-shaped part respectively
Provided with pressure port, crab-bolt is provided with pressure port, for U-shaped part to be fixedly connected with frame column；U-shaped part inner surface is provided with bonding material
Material.
2. a kind of steel plate reinforcement structure according to claim 1, it is characterised in that the bolt uses M12 bolts.
3. a kind of steel plate reinforcement structure according to claim 1, it is characterised in that the crab-bolt uses M16 crab-bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720089911.5U CN206468033U (en) | 2017-01-23 | 2017-01-23 | A kind of steel plate reinforcement structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720089911.5U CN206468033U (en) | 2017-01-23 | 2017-01-23 | A kind of steel plate reinforcement structure |
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| Publication Number | Publication Date |
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| CN206468033U true CN206468033U (en) | 2017-09-05 |
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| CN201720089911.5U Expired - Fee Related CN206468033U (en) | 2017-01-23 | 2017-01-23 | A kind of steel plate reinforcement structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106907014A (en) * | 2017-01-23 | 2017-06-30 | 福建工程学院 | A kind of steel plate reinforcement structure and its construction method |
| CZ308319B6 (en) * | 2018-11-07 | 2020-05-06 | České vysoké učenà technické v Praze | Equipment for securing masonry barrel vaults |
-
2017
- 2017-01-23 CN CN201720089911.5U patent/CN206468033U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106907014A (en) * | 2017-01-23 | 2017-06-30 | 福建工程学院 | A kind of steel plate reinforcement structure and its construction method |
| CZ308319B6 (en) * | 2018-11-07 | 2020-05-06 | České vysoké učenà technické v Praze | Equipment for securing masonry barrel vaults |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170905 Termination date: 20210123 |
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| CF01 | Termination of patent right due to non-payment of annual fee |