CN202298969U - Anti-seismic and anchor-increasing reinforced structure of reinforced concrete beam - Google Patents

Anti-seismic and anchor-increasing reinforced structure of reinforced concrete beam Download PDF

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Publication number
CN202298969U
CN202298969U CN2011203443696U CN201120344369U CN202298969U CN 202298969 U CN202298969 U CN 202298969U CN 2011203443696 U CN2011203443696 U CN 2011203443696U CN 201120344369 U CN201120344369 U CN 201120344369U CN 202298969 U CN202298969 U CN 202298969U
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China
Prior art keywords
floor
seismic
anchor
reinforcing bar
steel plate
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CN2011203443696U
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Chinese (zh)
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顾瑞南
杨苏杭
韩文星
王枫
王毅
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Jiangsu Provincial Architectural Science Institute Ltd
NANJING SHENGYUAN CIVIL ENGINEERING HIGH-TECH CO LTD
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Jiangsu Provincial Architectural Science Institute Ltd
NANJING SHENGYUAN CIVIL ENGINEERING HIGH-TECH CO LTD
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Abstract

The utility model provides an anti-seismic and anchor-increasing reinforced structure of a reinforced concrete beam, which comprises tightening devices, a connecting steel plate and reinforcing steel bars. The anti-seismic and anchor-increasing reinforced structure of the reinforced concrete beam is installed on the side surface of a floor beam; the upper end of the floor beam is connected with a ring beam; the side surface of the floor beam is provided with a groove; one end of each reinforcing steel bar is embedded into the groove, the connecting steel plate is installed at the end part of the floor beam and covers the ring beam on the floor beam, and the other end of the reinforcing steel bar penetrates through the wall body and the connecting steel plate; and the tightening devices are installed at the extending ends of the reinforcing steel bars penetrating through the wall body and the connecting steel plate. The utility model provides the anti-seismic and anchor-increasing reinforced structure of the reinforced concrete beam to enhance the anti-seismic bearing capacity of the floor beam and avoid the situation that the floor beam is not enough to be constrained under the seismic load to be pulled out and damaged, so that the beam can not support. When the earthquake happens to the floor beam, the seismic force generated by the inertia of the structure can be transferred to a floor, so that the force transferring path of the structure in wholly resisting the seismic action is more reasonable, and the overall seismic performance of a building is improved.

Description

A kind of steel concrete crossbeam antidetonation increases anchor ruggedized construction
Technical field
The utility model relates to a kind of ruggedized construction of concrete beam, and particularly a kind of steel concrete crossbeam antidetonation increases anchor ruggedized construction.
Background technology
Along with earth earthquake zone since getting into the new century gets into new cycle of activity, the global earthquakes disaster takes place frequently.Especially the Wenchuan violent earthquake that took place on May 12nd, 2008 has caused tremendous loss, causes the unprecedented vibrations of the whole society, how to guarantee that the structural seismic safety of building is extremely urgent.
In a large amount of masonry structure buildings, adopt cassette ceiling to be shelved on the building cover structure mode on the building roof beam more.Cassette ceiling is delivered to floor load on its building roof of shelving, has concentrated bigger quality on the building roof beam.Therefore, the building roof beam very easily produces relatively large earthquake inertia force under geological process.According to seimic disaster census and routine inspection, find most existing masonry structures buildings, floor beam the body of wall lay-down location not with the reliable drawknot of masonry structure main body.According to analysis, this can cause in seismic process, and the building roof beam produces inertia displacement, finally causes floor beam to be extracted and the slippage whole slump of getting off from the body of wall of shelving.Cause being shelved on the whole slump of precast floor slab on the beam, cause chain reaction, cause serious disaster to take place.The investigation of all previous earthquake is also verified, and the building roof beam is the weak spot the most of Hollow Block Masonry Structure Anti-seismic.
For this reason, we have worked out steel concrete crossbeam antidetonation and have increased anchor ruggedized construction.Through newly adding the seismic bearing capacity that anchor structure strengthens the building roof beam, finally avoid it under seismic load, to be pulled out destruction, and other destruction is taken place.
The action principle that it is basic; Be direct drawknot effect on the one hand, the building roof beam is become integral body with the body of wall drawknot of masonry structure, the withdrawal force of beam is converted into the pressure to body of wall through anchor structure; Improve withdrawal force and made the stress of time spent body of wall, strengthened anchoring property.On the one hand, steel plate is set in addition through being arranged on the body of wall back side.Its area can cover collar tie beam, constructional column and the building cover structure of masonry structure building.Make the building roof beam receive seismic forces that effect of inertia produces and can be delivered to superstructure through steel plate and get on that the wall in length and breadth that is delivered to vertical member through superstructure again is until being delivered to the basis.Make that the Path of Force Transfer of structural entity opposing geological process is more reasonable, the whole anti-seismic performance of masonry structure building is improved.
The utility model content
A kind of steel concrete crossbeam antidetonation that the utility model provides increases anchor ruggedized construction; Purpose is the seismic bearing capacity that strengthens the building roof beam; Finally avoid it under seismic load, to be pulled out destruction; The building roof beam receives seismic forces that effect of inertia produces and can be delivered to superstructure through steel plate and get on, and makes that the Path of Force Transfer of structural entity opposing geological process is more reasonable, and the whole anti-seismic performance of building is improved.For reaching this purpose; The utility model provides a kind of steel concrete crossbeam antidetonation to increase anchor ruggedized construction, comprises tightening device, connects steel plate and reinforcing bar, and said steel concrete crossbeam antidetonation increases the side that anchor ruggedized construction is installed in floor beam; On the said floor beam collar tie beam is arranged; There is fluting said floor beam side, and in the said reinforcing bar one end embedded groove, said connection steel plate is installed in the end of floor beam and the collar tie beam on the floor beam is covered; The said reinforcing bar other end passes body of wall and connects steel plate, and said reinforcing bar passes body of wall and connects on the external part of steel plate tightening device is installed.
As the further improvement of the utility model, crotch is arranged at said reinforcing bar bottom, and the reinforcing bar crotch is implanted in floor beam and the embedded groove; Embedded groove seals with structure glue or said reinforcing bar is welded in the embedded groove; There is anchor plate in the reinforcing bar outside, and said anchor plate is fixed on the reinforcing bar outside through crab-bolt again, and this patent can be through increasing crotch in the reinforcing bar bottom; Implant reinforcing bar in the embedded groove of floor beam together with the bottom crotch again; The mode of sealing with structure glue or mortar is again installed also and can be increased anchor plate in the reinforcing bar outside again through reinforcing bar is welded in the embedded groove reinforcing bar, through the crab-bolt mode that anchor plate is fixing reinforcing bar is installed again; Two kinds of mounting meanss of this patent can, specifically adopt design of which kind of mounting means and unit in charge of construction can carry out design alternative as required.
As the further improvement of the utility model, said floor beam one-side gaining number is 1-4, and the groove number is advisable with suitable, but cost also can change to some extent, and the number of specifically slotting should calculate according to the floor beam load to be selected.
A kind of steel concrete crossbeam antidetonation that the utility model provides increases anchor ruggedized construction; Purpose is that to prevent to strengthen the seismic bearing capacity of building roof beam on the low side; Finally avoid it under seismic load, to be pulled out destruction; The building roof beam receives seismic forces that effect of inertia produces and can be delivered to superstructure through steel plate and get on, and makes that on structural entity the Path of Force Transfer of opposing geological process is more reasonable.Make whole anti-seismic performance be improved.And the floor beam seismic reinforcing structure that the utility model provides is simple and easy to do, and at present, the impossible a large amount of dismounting of masonry structure building that large-scale floor beam is shelved on the body of wall is rebuild.Adopt this method that floor beam is carried out seismic hardening, structural stress state is reasonable, and has simple, the duration weak point of constructing, and select general engineering material for use, so integrated cost is lower, has good society and economical synthesis benefit.
Description of drawings
Fig. 1 is the structural representation of the reinforcing bar crotch of the utility model when implanting beam side state
Structural representation when Fig. 2 is connected on the anchor plate for the reinforcing bar of the utility model
Fig. 3 is the sectional drawing in the 1-1 cross section of Fig. 1
Fig. 4 is the sectional drawing in the 2-2 cross section of Fig. 2
Member among the figure is:
1, floor beam; 2, tightening device; 3, connect steel plate; 4, anchor plate;
5, crab-bolt; 6, reinforcing bar; 7, collar tie beam;
The specific embodiment
Below in conjunction with accompanying drawing and embodiment utility model is done detailed explanation:
A kind of steel concrete crossbeam antidetonation that the utility model provides increases anchor ruggedized construction; Purpose is the seismic bearing capacity that strengthens the building roof beam; Finally avoid it under seismic load, to be pulled out destruction; The building roof beam receives seismic forces that effect of inertia produces and can be delivered to superstructure through steel plate and get on, and makes that the Path of Force Transfer of structural entity opposing geological process is more reasonable, and the whole anti-seismic performance of building is improved.
The utility model provides a kind of steel concrete crossbeam antidetonation to increase anchor ruggedized construction, comprises tightening device 2, connects steel plate 3 and reinforcing bar 6, and said steel concrete crossbeam antidetonation increases the side that anchor ruggedized construction is installed in floor beam 1; On the said floor beam 1 collar tie beam 7 is arranged; Said floor beam has fluting in the side about in the of 1, and said floor beam 1 one-side gaining number is 1-4, and when the groove number is advisable; But cost also can change to some extent; Concrete fluting number should carry out design alternative according to the floor beam load, and in the said reinforcing bar 6 one end embedded grooves, said connection steel plate 3 is installed in the end of floor beam 1 and the collar tie beam on the floor beam 7 is covered; Said reinforcing bar 6 other ends pass body of wall and connect steel plate 3, and said reinforcing bar 6 passes body of wall and connects on the external part of steel plate 3 tightening device 2 is installed.
Provide structural representation such as Fig. 1 schematic cross-section as shown in Figure 3 as a kind of specific embodiment the utility model of this patent, a kind of steel concrete crossbeam antidetonation increases anchor ruggedized construction, comprises the steps:
A, at floor beam 1 both sides flutings, said floor beam one-side gaining number is 1-4, the groove number is suitable is advisable, and can influence cost, the number of specifically slotting should be selected according to the floor beam load;
B, with in reinforcing bar 6 embedded grooves, install after in place, said closed being installed as in reinforcing bar 6 bottoms increases crotch, reinforcing bar 6 implanted in the embedded groove of floor beam 1 together with the bottom crotch again, seals with structure glue or mortar again;
C, will connect end that steel plate 3 is installed in floor beam 1 at floor beam 1 bearing place and make and connect steel plate 3 collar tie beam on the floor beam 17 is covered;
D, the external part that passes body of wall at the wall back side with 2 pairs of reinforcing bars 6 of tightening device and connect steel plate 3 tighten up processing.
Provide structural representation such as Fig. 2 schematic cross-section as shown in Figure 4 as the another kind of specific embodiment the utility model of this patent, a kind of steel concrete crossbeam antidetonation increases anchor ruggedized construction, comprises the steps:
A, at floor beam 1 side upper and lower surface fluting, said floor beam one-side gaining number is 1-4, the groove number is suitable is advisable, but cost also can influence to some extent, the number producer that specifically slots should carry out design alternative according to the floor beam load;
B, with in reinforcing bar 6 embedded grooves, install after in place, said closed being installed as to reinforcing bar 6 is welded in the embedded groove increases anchor plate 4 again in reinforcing bar 6 outsides, through crab-bolt 5 that anchor plate 4 is fixing again;
C, will connect end that steel plate 3 is installed in floor beam 1 at floor beam 1 bearing place and make and connect steel plate 3 collar tie beam on the floor beam 17 is covered;
D, the external part that passes body of wall at the wall back side with 2 pairs of reinforcing bars 6 of tightening device and connect steel plate 3 tighten up processing.
A kind of steel concrete crossbeam antidetonation that the utility model provides increases anchor ruggedized construction; Can effectively strengthen the seismic bearing capacity of floor beam; Finally avoid it under seismic load, to be pulled out destruction; The building roof beam receives seismic forces that effect of inertia produces and can be delivered to superstructure through steel plate and get on, and makes that the Path of Force Transfer of structural entity opposing geological process is more reasonable.Make whole anti-seismic performance be improved.And the floor beam seismic reinforcing structure that the utility model provides is simple and easy to do, and at present, the impossible a large amount of dismounting of masonry structure building that large-scale floor beam is shelved on the body of wall is rebuild.Adopt this method that floor beam is carried out seismic hardening, structural stress state is reasonable, and has simple, the duration weak point of constructing, and utilize existing maturing material, so integrated cost is lower, has good overall economic efficiency.
The above; It only is the preferred embodiment of the utility model; Be not to be the utility model to be done the restriction of any other form, and, still belong to the utility model scope required for protection according to any modification or equivalent variations that the technical spirit of the utility model is done.

Claims (4)

1. a steel concrete crossbeam antidetonation increases anchor ruggedized construction; Comprise tightening device (2), connect steel plate (3) and reinforcing bar (6); Said steel concrete crossbeam antidetonation increases the side that anchor ruggedized construction is installed in floor beam (1); Said floor beam (1) end is connected with collar tie beam (7), it is characterized in that there is fluting said floor beam (1) side; In said reinforcing bar (6) the one end embedded grooves; Said connection steel plate (3) is installed in the end of floor beam (1) and the collar tie beam on the floor beam (7) is covered, and said reinforcing bar (6) other end passes body of wall and connects steel plate (3), and said reinforcing bar (6) passes body of wall and connects on the external part of steel plate (3) tightening device (2) is installed.
2. a kind of steel concrete crossbeam antidetonation according to claim 1 increases anchor ruggedized construction; It is characterized in that: crotch is arranged at said reinforcing bar (6) bottom; Reinforcing bar (6) is implanted together with the bottom crotch in the embedded groove of floor beam (1), and embedded groove is outer to be sealed with structure glue.
3. a kind of steel concrete crossbeam antidetonation according to claim 1 increases anchor ruggedized construction; It is characterized in that: said reinforcing bar (6) is welded in the embedded groove; There is anchor plate (4) in reinforcing bar (6) outside, and said anchor plate (4) is fixed on reinforcing bar (6) outside through crab-bolt (5) again.
4. increase anchor ruggedized construction according to claim 1 or 2 or 3 described a kind of steel concrete crossbeam antidetonations, it is characterized in that: said floor beam (1) side one-side gaining number is 1-4.
CN2011203443696U 2011-09-15 2011-09-15 Anti-seismic and anchor-increasing reinforced structure of reinforced concrete beam Active CN202298969U (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102926550A (en) * 2012-10-11 2013-02-13 北京筑福建设工程有限责任公司 System and method for reinforcing masonry structure by using cross wall and flat steel draw bar
CN105155750A (en) * 2015-09-25 2015-12-16 范峰杰 Anti-seismic soundproof floor system for building
CN105908922A (en) * 2016-04-11 2016-08-31 黑龙江建筑职业技术学院 Water retaining roof of building and construction method of water retaining roof
CN106049687A (en) * 2016-06-29 2016-10-26 北京工业大学 Spatial sandwich joint for improving anti-seismic performance through casing pipes and construction method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102926550A (en) * 2012-10-11 2013-02-13 北京筑福建设工程有限责任公司 System and method for reinforcing masonry structure by using cross wall and flat steel draw bar
CN102926550B (en) * 2012-10-11 2016-09-14 北京筑福建筑事务有限责任公司 System and method for reinforcing masonry structure by using cross wall and flat steel draw bar
CN105155750A (en) * 2015-09-25 2015-12-16 范峰杰 Anti-seismic soundproof floor system for building
CN105908922A (en) * 2016-04-11 2016-08-31 黑龙江建筑职业技术学院 Water retaining roof of building and construction method of water retaining roof
CN105908922B (en) * 2016-04-11 2017-12-08 黑龙江建筑职业技术学院 Building water-ponding roof and construction method
CN106049687A (en) * 2016-06-29 2016-10-26 北京工业大学 Spatial sandwich joint for improving anti-seismic performance through casing pipes and construction method

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