CN202866317U - Angle steel bracket masonry structure - Google Patents
Angle steel bracket masonry structure Download PDFInfo
- Publication number
- CN202866317U CN202866317U CN 201220524571 CN201220524571U CN202866317U CN 202866317 U CN202866317 U CN 202866317U CN 201220524571 CN201220524571 CN 201220524571 CN 201220524571 U CN201220524571 U CN 201220524571U CN 202866317 U CN202866317 U CN 202866317U
- Authority
- CN
- China
- Prior art keywords
- angle steel
- masonry
- steel rest
- rest
- bolt
- Prior art date
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 117
- 239000010959 steel Substances 0.000 title claims abstract description 117
- 239000003351 stiffeners Substances 0.000 claims description 7
- 125000003700 epoxy group Chemical group 0.000 claims description 6
- 229920000647 polyepoxides Polymers 0.000 claims description 6
- 230000036633 rest Effects 0.000 claims description 5
- 230000002146 bilateral Effects 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 3
- 239000011513 prestressed concrete Substances 0.000 claims description 3
- 280000398338 Seismic companies 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 9
- 238000005728 strengthening Methods 0.000 abstract description 8
- 238000005516 engineering processes Methods 0.000 abstract description 2
- 238000000034 methods Methods 0.000 abstract 1
- 230000003014 reinforcing Effects 0.000 description 12
- 230000002787 reinforcement Effects 0.000 description 6
- 230000002093 peripheral Effects 0.000 description 4
- 239000004567 concrete Substances 0.000 description 3
- 239000011150 reinforced concrete Substances 0.000 description 3
- 230000011218 segmentation Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 2
- 239000010410 layers Substances 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 210000003414 Extremities Anatomy 0.000 description 1
- 239000011449 bricks Substances 0.000 description 1
- 238000006073 displacement reactions Methods 0.000 description 1
- 239000000463 materials Substances 0.000 description 1
- 239000000203 mixtures Substances 0.000 description 1
- 229920000642 polymers Polymers 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002344 surface layers Substances 0.000 description 1
- 230000001131 transforming Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
Description
Technical field
The utility model relates to a kind of angle steel rest masonry structure, belongs to the seismic hardening field.
Background technology
The existing masonry structure house is carried out seismic hardening, usually adopt exterior wall to set up the reinforcement means that reinforced concrete structural column, collar tie beam, interior cross wall add reinforcing pull rod, be commonly called as the cluster Shockproof reinforcing method.Through repeatedly earthquake checking, the method is safe and reliable, has significantly improved the ductility of structure, has strengthened the collapse resistant capacity of structure.The whole nation has been carried out middle and primary schools has generally been carried out seismic hardening behind the Wenchuan earthquake, and old dwelling house has also been listed the seismic hardening implementary plan in.These buildings are selected the cluster Scheme of Strengthening for brick mix structure more than 80%, also suit very much.If but with angle steel rest instead of steel pull bar, the position that the angle steel rest adds and length are consistent with reinforcing pull rod, and angle steel rest section area is also much larger than the sectional area of reinforcing pull rod, make the angle steel rest by the effect of single increase floor overhang bracket length, also has the drawknot effect to cross wall, can strengthen the ductility of cross wall and improve shear-carrying capacity with cross wall shared seismic shear, reduce horizontal distortion, prevent structural collapse.
The utility model content
In order to overcome the deficiencies in the prior art, the utility model proposes a kind of angle steel rest masonry structure, it adopts exterior wall to set up collar tie beam, constructional column, interior cross wall to existing masonry structure building to add method that reinforcing pull rod carries out seismic hardening and change reinforcement means with angle steel rest instead of steel pull bar into.
To achieve these goals, the utility model has been taked following technical scheme:
A kind of angle steel rest masonry structure, comprise collar tie beam, constructional column, cross wall, vertical wall, it is characterized in that: be provided with the angle steel rest at masonry structure floor or roof panel and bottom cross wall corner, floor or roof panel hypodermis are close in angle steel rest one edge of a wing, and the cross wall metope is close on another edge of a wing of angle steel rest; Described angle steel rest arranges in the cross wall bilateral symmetry, and cross wall both sides angle steel rest draws logical mutually with the first through-wall bolt, and the angle steel rest is provided with angle steel or backing plate near collar tie beam or constructional column end, and anchors in collar tie beam or the constructional column by the second through-wall bolt; The angle steel rest is indulged wall partition place and is welded with shrouding, and will indulge wall both sides angle steel rest by the second through-wall bolt and connect as one.
Further, described the first through-wall bolt is the M10 through-wall bolt, and described the second through-wall bolt is the M20 through-wall bolt.
Further, leave the 20-30mm space between described angle steel rest end shrouding and the vertical wall metope.
Further, described angle steel rest adopts L100 * 100 * 8mm equal leg angle, is welded with the thick stiffener of 6mm along length every 500mm in the angle steel rest.
Further, be bonded with category-A modified epoxy glue between described angle steel rest one edge of a wing and floor or the roof panel hypodermis.
Further, described floor or roof panel are prestressed concrete hollow floor.
Further, described the first through-wall bolt is spaced apart 500mm.
The concrete reinforcement means of above-mentioned angle steel rest masonry structure is:
Comprise the steps:
Step 1: make the angle steel rest, at the angle steel rest stiffener, shrouding, angle steel or backing plate are set, hole at the angle steel rest;
Step 2: the angle steel rest is close to floor or roof panel hypodermis and metope is symmetrical arranged continuously in the cross wall both sides;
Step 3: by the boring on the angle steel rest, in masonry structure floor or roof panel bottom cross wall, collar tie beam and the boring of constructional column corresponding site, and clear hole;
Step 4: insert the second through-wall bolt in angle steel rest end, it is connected with collar tie beam, constructional column or vertical wall, and the angle steel rest is carried out prestressed stretch-draw, adopt the torque spanner segmentation to tighten the second through-wall bolt during stretch-draw;
Step 5: the first through-wall bolt is set the angle steel rest of cross wall both sides is coupled together;
Step 6: bonding category-A modified epoxy glue between angle steel rest one edge of a wing and floor or roof panel hypodermis.
Beneficial effect
1: structure and the sectional dimension of angle steel rest are large than reinforcing pull rod, and reliable operation is more near the effect of reinforced concrete circle beam.
2: the purpose of the former setting of angle steel rest just for increasing the bearing length of building panel, has played again the effect of reinforcing pull rod behind its instead of steel pull bar of renovation and utilization, so just save reinforcing pull rod, has saved engineering quantity, has saved engineering material, has reduced construction costs.
3: the angle steel rest arranges continuously in requiring to construct, and does not allow to be interrupted.By the reliable drawknot of bolt, the end should be imbedded in peripheral hardware constructional column, the collar tie beam reliably each other, carries out on request pre-stretch-draw simultaneously, guarantees that wall section and angle steel rest can common stressed work.
4: the peripheral hardware collar tie beam of reinforcing, constructional column, angle steel rest, each layer should arrange continuously, upper and lower centering, the plane draws logical new and old structure reliably to socket mutually, guarantees jointly stressedly, prevents that each stiffness layer from suddenling change.
5: adopt this law to reinforce, generally be only applicable to non-superelevation, the masonry structure that transfinites, each wall is subjected to the seismic shear effect ratio should be less than 1 after reinforcing.Also should select other reinforcement means to make it reach shockproof requirements to the wall section that does not satisfy shockproof requirements, or several different methods is combined with, makes its Scheme of Strengthening more reasonable.
Description of drawings
Fig. 1 is angle steel rest masonry structure plan view of the present utility model;
Fig. 2 is A-A sectional drawing among Fig. 1;
Fig. 3 is B-B sectional drawing among Fig. 1;
Among the figure, 1: the angle steel rest; 2: the first through-wall bolts; 3: the second through-wall bolts; 4: cross wall; 5: vertical wall; 6: shrouding; 7: stiffener; 8: floor or roof panel.
The specific embodiment
As Figure 1-3, the specific embodiment of the present utility model is as follows:
A kind of angle steel rest masonry structure, comprise collar tie beam, constructional column, cross wall 4, vertical wall 5, be provided with angle steel rest 1 at masonry structure floor or roof panel 8 with bottom cross wall 4 corners, floor or roof panel 8 hypodermises are close in angle steel rest 1 one edges of a wing, and cross wall 4 metopes are close on angle steel rest 1 another edge of a wing; Angle steel rest 1 is in cross wall 4 bilateral symmetry settings, cross wall 4 both sides angle steel rests 1 usefulness M10 the first through-wall bolt 2 draws logical mutually, angle steel rest 1 is provided with angle steel or backing plate near collar tie beam or constructional column end, and anchors in collar tie beam or the constructional column by M20 the second through-wall bolt 3; Angle steel rest 1 is welded with shrouding 6 by vertical wall 5 partition places, and will indulge wall 5 both sides angle steel rests 1 by M20 the second through-wall bolt 3 and connect as one.Wherein, leave the 20-30mm space between described angle steel rest 1 end shrouding 6 and vertical wall 5 metopes, angle steel rest 1 adopts L100 * 100 * 8mm equal leg angle, in angle steel rest 1, be welded with the thick stiffener 7 of 6mm along length every 500mm, be bonded with category-A modified epoxy glue between angle steel rest 1 one edges of a wing and floor or roof panel 8 hypodermises, floor or roof panel 8 are prestressed concrete hollow floor, and the first through-wall bolt is spaced apart 500mm.Concrete reinforcement means is:
Step 1: make angle steel rest 1, at angle steel rest 1 stiffener 7, shrouding 6 and angle steel or backing plate are set, in 1 boring of angle steel rest;
Step 2: angle steel rest 1 is close to floor or roof panel 8 hypodermises and metope is symmetrical arranged continuously in cross wall 4 both sides;
Step 3: by the boring on the angle steel rest 1, in masonry structure floor or roof panel 8 bottom cross walls 4, collar tie beam and the boring of constructional column corresponding site, and clear hole;
Step 4: insert the second through-wall bolt 3 in angle steel rest 1 end, it is connected with collar tie beam, constructional column or vertical wall 5, and angle steel rest 1 is carried out prestressed stretch-draw, adopt the torque spanner segmentation to tighten the second through-wall bolt 3 during stretch-draw;
Step 5: the first through-wall bolt 2 is set the angle steel rest 1 of cross wall 4 both sides is coupled together;
Step 6: bonding category-A modified epoxy glue between angle steel rest 1 one edges of a wing and floor or roof panel 8 hypodermises.
Should be noted that following problem during the utility model implementation:
(1): the bearing capacity effect ratio of each antidetonation member that should provide according to structural entity Assessment of Seismic Vulnerability and the earthquake checking computations of Antiseismic building probation report, whether whole definite this building satisfies shockproof requirements;
(2): by rules peripheral hardware collar tie beam, constructional column, cross wall 4 usefulness angle steel rests 1 instead of steel pull bar are set and carry out seismic hardening;
(3): when some the wall section shear-carrying capacity after reinforcing was not also satisfied shockproof requirements, the bearing capacity effect should cooperate other method such as arrangement of reinforcement mortar surface layer, steel strand polymer mortar, steel concrete board wall etc. to make it reach shockproof requirements than less than 1 again.
(4): during reinforcing, angle steel rest 1 must arrange continuously, and two ends anchor in peripheral hardware collar tie beam or the constructional column, and the intermediate application bolt draws mutually logical, angle steel rest 1 should carry out pre-stretch-draw, and guaranteeing smooth nothing distortion, tensioning angle steel rest 1 is eliminated distortion and also being applied certain prestressing force, when cross wall 4 bears seismic shear, angle steel rest 1 hysteresis that should eliminate stress enters duty at once, guarantees the new and old structure co-operation.
(5): when being blocked by vertical wall 5, angle steel rest 1 should hole on the wall, angle steel rest 1 end welding shrouding 6, thickness of slab and weld size should be guaranteed and the bolt equal strength by calculative determination.Be connected to integral body by the second through-wall bolt 3 between the shrouding 6.Angle steel rest 1 two ends are by the second through-wall bolt 3, and the end adds angle steel or backing plate, are anchored in the reinforced concrete circle beam or constructional column that exterior wall sets up, and form the sealing drawknot.
(6): angle steel rest 1 is by the second through-wall bolt 3, tighten with the torque spanner segmentation and to apply the prestressing force tensioning, the initial elasticity starting point of the stress displacement curve when its stretching force must be greater than body of wall and rest co-operation, i.e. thus beginning, stress, strain are directly proportional, and elastic curve is straight line.Angle steel rest 1 end-plate and vertical wall 5 end metopes should stay 20～30mm space.
(7): angle steel rest 1 at first should satisfy the structure as the floor rest.In leg of angle, weld the thick stiffener 7 of 6mm every 500mm.Angle steel rest 1 arranges that along circular hole slab end hypodermis metope is close on an edge of a wing, and the circular hole slab hypodermis is close on another edge of a wing.The angle steel edge of a wing at cross wall 4 two ends is tightened drawknot every 500mm with the first through-wall bolt 2, and another edge of a wing application category-A modified epoxy glue and floor hypodermis that connects with circular hole underfloor surface is bonding.
(8): being connected connecting portion with constructional column at collar tie beam can connect with two limb angle steel.
Embodiment reinforces the result and shows: after transformation was reinforced, each wall section antidetonation shear-carrying capacity of structure is general to improve 10%～20%, and it is not very large that the wall body construction shearing is improved, but to integrally-built ductility increase obviously, collapse resistant capacity improves a lot.
More than be an exemplary embodiments of the present utility model, enforcement of the present utility model is not limited to this.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220524571 CN202866317U (en) | 2012-10-11 | 2012-10-11 | Angle steel bracket masonry structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220524571 CN202866317U (en) | 2012-10-11 | 2012-10-11 | Angle steel bracket masonry structure |
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| Publication Number | Publication Date |
|---|---|
| CN202866317U true CN202866317U (en) | 2013-04-10 |
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|---|---|---|---|
| CN 201220524571 CN202866317U (en) | 2012-10-11 | 2012-10-11 | Angle steel bracket masonry structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102864944B (en) * | 2012-10-11 | 2016-12-21 | 北京筑福国际工程技术有限责任公司 | A kind of steel angle bracket masonry structure and reinforcement means thereof |
-
2012
- 2012-10-11 CN CN 201220524571 patent/CN202866317U/en not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102864944B (en) * | 2012-10-11 | 2016-12-21 | 北京筑福国际工程技术有限责任公司 | A kind of steel angle bracket masonry structure and reinforcement means thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: BEIJING AEIDO INTERNATIONAL ENGINEERING TECHNOLOGY Free format text: FORMER NAME: BEIJING AEIDO CONSTRUCTION ENGINEERING CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |
Address after: 100043, Beijing, Shijingshan District, 166 Fu Shi Road, 2 floor, Chak Yang Building Patentee after: Beijing Aeido International Engineering Technology Co., Ltd. Address before: 100043, Beijing, Shijingshan District, 166 Fu Shi Road, 2 floor, Chak Yang Building Patentee before: Beijing Zhufu Construction Engineering Co., Ltd. |
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| DD01 | Delivery of document by public notice |
Addressee: Beijing Aeido International Engineering Technology Co., Ltd. Document name: Notification that Application Deemed not to be Proposed |
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Owner name: BEIJING BLESS BUILDING CO., LTD. Free format text: FORMER OWNER: BEIJING AEIDO INTERNATIONAL ENGINEERING TECHNOLOGY CO., LTD. Effective date: 20140630 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20140630 Address after: 100043 Shijingshan District, Yang Yang Street, No. 69, No. 1, building an international Park, Fu International Patentee after: Beijing Bless Building Co., Ltd. Address before: 100043, Beijing, Shijingshan District, 166 Fu Shi Road, 2 floor, Chak Yang Building Patentee before: Beijing Aeido International Engineering Technology Co., Ltd. |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Addressee: Wan Zhao Document name: Notification of Passing Examination on Formalities |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |