CN206562792U - Overlapping for existing structure strengthening reconstruction changes antitorque structure - Google Patents
Overlapping for existing structure strengthening reconstruction changes antitorque structure Download PDFInfo
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- CN206562792U CN206562792U CN201621184028.6U CN201621184028U CN206562792U CN 206562792 U CN206562792 U CN 206562792U CN 201621184028 U CN201621184028 U CN 201621184028U CN 206562792 U CN206562792 U CN 206562792U
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
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- Chemical Kinetics & Catalysis (AREA)
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- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The utility model belongs to building engineering field, in particular it relates to a kind of overlapping for existing structure strengthening reconstruction changes antitorque structure, including：Existing structure beam and existing structure plate, existing structure plate are supported on existing structure beam；Newly-increased conversion outrigger, newly-increased overlapping concealed beam and newly-increased concrete bracket are set on existing structure beam and existing structure plate, increases newly and newly-increased vertical member is set on conversion outrigger, and newly-increased conversion outrigger extension is set；Newly-increased conversion outrigger extension bottom sets styrofoam to replace template.The utility model ensure that effective connection, the continuous safety transmission of structural internal force of newly-increased vertical member and existing structure；And eliminating foundation construction caused by newly-increased vertical member, it is to avoid the existing structure of large area cuts work, reduces construction cost, improves efficiency of construction.
Description
Technical field
The utility model belongs to building engineering field, in particular it relates to a kind of overlapping for existing structure strengthening reconstruction
Change antitorque structure.
Background technology
Strengthening reconstruction is the hot fields of building trade in recent years, particularly real estate plate, and developer is in order to comply with city
Market, the function to construction building thing changes and house type is worked with great care so that strengthening reconstruction existing structure into
For new normality in the industry.
In existing structure transformation, building use requirement can not be met by frequently encountering existing vertical member, and need to be increased newly vertical
Component, is located at the situation outside existing structure main building scope, according to traditional especially for the newly-increased vertical member in part
Technical finesse then needs to re-start foundation construction, and can cause to cut destruction, difficulty of construction to the certain area of existing structure
Greatly, cost is higher, and can not ensure newly-increased vertical member and effective connection of existing structure and collective effect.
Utility model content
To overcome the defect that prior art is present, the utility model provides a kind of overlapping conversion of existing structure strengthening reconstruction
Antitorque structure and construction method, can not only meet safe and applicable durable requirement, be provided simultaneously with stronger shock resistance, also have
Have the advantages that construction cost is relatively low and efficiency of construction is higher.
To achieve the above object, the utility model uses following technical proposals：
Overlapping for existing structure strengthening reconstruction changes antitorque structure, including：Existing structure beam and existing structure plate, both
There is structural slab to be supported on existing structure beam；Wherein：Newly-increased conversion outrigger is set on existing structure beam and existing structure plate, increased newly
Concealed beam and newly-increased concrete bracket are overlapped, increases newly and newly-increased vertical member is set on conversion outrigger, and sets newly-increased conversion outrigger to prolong
Stretch section；Newly-increased conversion outrigger extension bottom sets styrofoam to replace template, increases conversion outrigger top muscle, newly-increased conversion outrigger bottom newly
Muscle, newly-increased conversion outrigger stirrup, newly-increased conversion outrigger extension top muscle, newly-increased conversion outrigger extension bottom muscle are chosen with newly-increased conversion
Beam extension stirrup, should according to using need carry out calculating determination.
Preferably, existing structure beam, existing structure plate and newly-increased conversion outrigger, newly-increased overlapping concealed beam, newly-increased coagulation clay ox
Leg passes through superposed surfaces horizontal shear reinforcing bar, the vertical shear reinforcement of superposed surfaces, newly-increased coagulation clay ox at New-old concrete interface
The horizontal tension reinforcement of leg and the vertical tension reinforcement of newly-increased concrete bracket are reliably connected；It is superposed surfaces horizontal shear reinforcing bar, folded
The vertical shear reinforcement in conjunction face, the newly-increased horizontal tension reinforcement of concrete bracket, the newly-increased vertical tension reinforcement of concrete bracket and newly-increased
Concrete bracket distributing reinforcement, should according to using need carry out calculating determination.
Preferably, should be according to using needing to take respective handling method when New-old concrete interface is handled, and meet and set
Count the processing quality requirement proposed.
Preferably, the newly-increased vertical member on the newly-increased conversion outrigger is arranged according to top-out using needs.
The construction method of the above-mentioned antitorque structure of overlapping conversion for existing structure strengthening reconstruction, step is as follows：
(1), in existing structure beam, existing structure plate and newly-increased conversion outrigger, newly-increased overlapping concealed beam, newly-increased concrete bracket
Between carry out the processing of New-old concrete interface, remove original loose concrete, breakage and surface carbonation layer, form bumps poor
Mat surface not less than 6mm；
(2) it is dark in existing structure beam, existing structure plate and newly-increased conversion outrigger, newly-increased overlapping, according to force analysis is calculated
Between beam, newly-increased concrete bracket, superposed surfaces horizontal shear reinforcing bar, the vertical shear reinforcement of superposed surfaces, newly-increased coagulation are set respectively
The horizontal tension reinforcement of clay ox leg and the vertical tension reinforcement of newly-increased concrete bracket are reliably connected, and are ensureing that New-old concrete is common
While with work, the anti-twisting property, the level of significance power transmission capacity of iterative structure and overall bending resistance of existing structure beam are improved
Bearing capacity；
(3), according to force analysis is calculated, newly-increased conversion outrigger top muscle, newly-increased conversion is set to choose in newly-increased conversion outrigger
Beam bottom muscle, newly-increased conversion outrigger stirrup；Newly-increased conversion outrigger extension top muscle is set in newly-increased conversion outrigger extension, it is newly-increased
Change outrigger extension bottom muscle and newly-increased conversion outrigger extension stirrup；
(4), the moment of flexure caused by the newly-increased vertical member of balance conversion, sets newly-increased conversion outrigger extension, increases conversion newly
Outrigger extension bottom sets styrofoam to replace template, to ensure the independent stressed and construction party of newly-increased conversion outrigger extension
Just；
(5), after the completion of work to be tested of knocking off, model sheetinstallat work is carried out, formwork elevation measuring, position, size should closely conform to set
Meter requires that support and template fix reliable, and formwork edge joint is tight；
(6), casting concrete, vibrates, maintenance.
Preferably, the processing of New-old concrete interface is carried out using artificial chiseling method or high pressure water jet method.
Compared with prior art, the utility model has the advantages that：
1st, by setting newly-increased conversion outrigger, to change newly-increased vertical member outside main building, resist in superposed surfaces implantation level
Shear-steel muscle, come the superposed surfaces horizontal shear resisted existing structure torsion beam suspension and produced；
2nd, horizontal tension reinforcement, vertical tension reinforcement are implanted into by setting up concrete bracket on the inside of existing structure beam, and,
To resist the part pulling force of existing structure torsion beam suspension drive；
3rd, by being implanted into vertical shear reinforcement on the outside of existing structure beam, erected to resist caused by the newly-increased vertical member of conversion
To shearing；
4th, by setting newly-increased conversion outrigger extension, to balance moment of flexure caused by the newly-increased vertical member of conversion.
It thus ensure that effective connection, the continuous safety transmission of structural internal force of newly-increased vertical member and existing structure；And
Eliminate foundation construction caused by newly-increased vertical member, it is to avoid the existing structure of large area cuts work, reduces and is constructed into
This, improves efficiency of construction.
Brief description of the drawings
Fig. 1 is the floor map of the antitorque structure of overlapping conversion for existing structure strengthening reconstruction；
Fig. 2 is the diagrammatic cross-section of the antitorque structure of overlapping conversion for existing structure strengthening reconstruction；
In figure：1st, existing structure beam, 2, existing structure plate, 3, newly-increased conversion outrigger, 4, newly-increased overlapping concealed beam, 5, newly-increased perpendicular
To component, 6, newly-increased concrete bracket, 7, newly-increased conversion outrigger extension, 8, styrofoam, 9, newly-increased conversion outrigger top muscle, 10,
Newly-increased conversion outrigger bottom muscle, 11, newly-increased conversion outrigger stirrup, 12, superposed surfaces horizontal shear reinforcing bar, 13, the vertical shearing resistance of superposed surfaces
Reinforcing bar, 14, the newly-increased horizontal tension reinforcement of concrete bracket, 15, the vertical tension reinforcement of newly-increased concrete bracket, 16, newly-increased coagulation
Clay ox leg distributing reinforcement, 17, newly-increased conversion outrigger extension top muscle, 18, newly-increased conversion outrigger extension bottom muscle, 19, newly-increased conversion
Outrigger extension stirrup, 20, New-old concrete interface.
Embodiment
As shown in Figure 1, 2, the overlapping for existing structure strengthening reconstruction changes antitorque structure, including：The He of existing structure beam 1
Existing structure plate 2, existing structure plate 2 is supported on existing structure beam 1；With reference to the arrangement of newly-increased vertical member and newly-increased vertical
The force request of member bottom section, to ensure to set on the validity of structure stress transmission, existing structure beam 1 and existing structure plate 2
Newly-increased conversion outrigger 3, newly-increased overlapping concealed beam 4 and newly-increased concrete bracket 6, increase newly and newly-increased vertical member are set on conversion outrigger 3
5, the moment of flexure caused by the newly-increased vertical member 5 of balance conversion sets newly-increased conversion outrigger extension 7；Newly-increased conversion outrigger extension
7 bottoms of section set styrofoam 8 to replace template, to ensure independent stressed and the easy construction of newly-increased conversion outrigger extension 7；Newly
Increase conversion outrigger top muscle 9, newly-increased conversion outrigger bottom muscle 10, newly-increased conversion outrigger stirrup 11, newly-increased conversion outrigger extension top muscle
17th, conversion outrigger extension bottom muscle 18 and newly-increased conversion outrigger extension stirrup 19 are increased newly, should be according to using needing to be calculated
It is determined that.
Existing structure beam 1, existing structure plate 2 and newly-increased conversion outrigger 3, newly-increased overlapping concealed beam 4, newly-increased concrete bracket 6
Pass through superposed surfaces horizontal shear reinforcing bar 12, the vertical shear reinforcement 13 of superposed surfaces, newly-increased coagulation at New-old concrete interface 20
The horizontal tension reinforcement 14 of clay ox leg and the vertical tension reinforcement 15 of newly-increased concrete bracket are reliably connected；Superposed surfaces horizontal shear
The vertical shear reinforcement 13 of reinforcing bar 12, superposed surfaces, the horizontal tension reinforcement 14 of newly-increased concrete bracket, newly-increased concrete bracket vertically resist
Reinforcing bar 15 and newly-increased concrete bracket distributing reinforcement 16 are drawn, should be according to using needing to carry out calculating determination.
, should be according to using needing to take respective handling method during the processing of New-old concrete interface 20, and meet design and carry
The processing quality requirement gone out.
Newly-increased vertical member 5 on the newly-increased conversion outrigger 3, can have according to top-out using needing to be arranged
There is larger freedom.
The construction method of the above-mentioned antitorque structure of overlapping conversion for existing structure strengthening reconstruction, step is as follows：
1st, in existing structure beam 1, existing structure plate 2 and newly-increased conversion outrigger 3, newly-increased overlapping concealed beam 4, newly-increased coagulation clay ox
The processing of New-old concrete interface 20 is carried out between leg 6, artificial chiseling method or high pressure water jet method is such as used, original coagulation is removed
Soil loosening, breakage and surface carbonation layer, form the mat surface that concavo-convex difference is not less than 6mm；
2nd, according to force analysis is calculated, in existing structure beam 1, existing structure plate 2 and newly-increased conversion outrigger 3, newly-increased overlapping
Between concealed beam 4, newly-increased concrete bracket 6, set respectively superposed surfaces horizontal shear reinforcing bar 12, the vertical shear reinforcement 13 of superposed surfaces,
The newly-increased horizontal tension reinforcement 14 of concrete bracket and the vertical tension reinforcement 15 of newly-increased concrete bracket are reliably connected, and are being ensured
While New-old concrete cooperation, anti-twisting property, the level of significance power transmission energy of iterative structure of existing structure beam are improved
Power and overall bending bearing capacity；
3rd, according to force analysis is calculated, newly-increased conversion outrigger top muscle 9, newly-increased conversion is set to choose in newly-increased conversion outrigger 3
Beam bottom muscle 10, newly-increased conversion outrigger stirrup 11；Newly-increased conversion outrigger extension top muscle is set in newly-increased conversion outrigger extension 7
17th, conversion outrigger extension bottom muscle 18 and newly-increased conversion outrigger extension stirrup 19 are increased newly；
4th, the moment of flexure caused by the newly-increased vertical member 5 of balance conversion, sets newly-increased conversion outrigger extension 7, increases conversion newly
The bottom of outrigger extension 7 sets styrofoam 8 to replace template, to ensure the independent stressed of newly-increased conversion outrigger extension 7 and apply
Work is convenient；
5th, after the completion of work to be tested of knocking off, model sheetinstallat work is carried out, formwork elevation measuring, position, size should closely conform to design
It is required that, support and template fix reliable, and formwork edge joint is tight；
6th, casting concrete, answers continuous placing one-shot forming, such as must interval, the intermittent time tries one's best shortening, and in lower floor
Upper strata concreting is finished before concrete initial set；When vibrating, vibrating head collision slab should be avoided, such as template, support occur
Stop pouring immediately during deformation displacement, and it is intact to rest and reorganize before the concrete coagulation poured.Concreting, which is finished, treats final set
When should start watering maintenance, determination can be specifically integrated according to situations such as slump, temperature.
The utility model can set newly-increased vertical member according to needs are used on the outside of existing structure main building, without
Carry out the foundation construction in conventional method, it is to avoid the existing structure of large area cuts work, reduces construction cost, improves
Efficiency of construction, after enhancing transformation while structural-load-carrying capacity, moreover it is possible to meet later stage useful life longevity requirement and anti-earthquake ductility
It is required that, it is a kind of low energy consumption and the antitorque structure of efficient overlapping conversion.
Claims (2)
1. a kind of overlapping for existing structure strengthening reconstruction changes antitorque structure, including：Existing structure beam and existing structure plate,
Existing structure plate is supported on existing structure beam；It is characterized in that：Newly-increased conversion is set on existing structure beam and existing structure plate
Outrigger, newly-increased overlapping concealed beam and newly-increased concrete bracket, increase newly and newly-increased vertical member are set on conversion outrigger, and set newly-increased turn
Change outrigger extension；Newly-increased conversion outrigger extension bottom sets styrofoam to replace template.
2. the overlapping according to claim 1 for existing structure strengthening reconstruction changes antitorque structure, it is characterised in that：Both
There are structural beams, existing structure plate to have a common boundary with newly-increased conversion outrigger, newly-increased overlapping concealed beam, newly-increased concrete bracket in New-old concrete
Pass through superposed surfaces horizontal shear reinforcing bar, the vertical shear reinforcement of superposed surfaces, the newly-increased horizontal tension reinforcement of concrete bracket and new at face
Increase the vertical tension reinforcement of concrete bracket to be reliably connected.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2016211205917 | 2016-10-13 | ||
| CN201621120591 | 2016-10-13 |
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| CN206562792U true CN206562792U (en) | 2017-10-17 |
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| CN201610951253.6A Active CN106368443B (en) | 2016-10-13 | 2016-10-30 | Overlapping for existing structure strengthening reconstruction converts torsional structure and construction method |
| CN201621184028.6U Active CN206562792U (en) | 2016-10-13 | 2016-10-30 | Overlapping for existing structure strengthening reconstruction changes antitorque structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108678417A (en) * | 2018-07-31 | 2018-10-19 | 天津市建筑设计院 | A kind of floor of steel structure transformation node |
| CN116770887A (en) * | 2023-08-10 | 2023-09-19 | 中国铁路设计集团有限公司 | New and old subway station structure connecting node and construction method thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110878641B (en) * | 2019-12-10 | 2023-11-07 | 四川大学锦江学院 | Reinforcing structure adopting superimposed hollow floor slab grid system and new construction method |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2174580C2 (en) * | 1998-11-12 | 2001-10-10 | ЗАО "БЭСКИТ" (Безопасная эксплуатация строительных конструкций и техники) | Device for strengthening reinforced concrete beams |
| CN2583229Y (en) * | 2002-11-22 | 2003-10-29 | 上海市第二建筑有限公司 | Steel holding hoop fastening structure of added storey new and old point pitch of high rise building |
| JP4163539B2 (en) * | 2003-03-20 | 2008-10-08 | 株式会社ミラクルスリーコーポレーション | Seismic reinforcement extension method of building and earthquake resistance reinforcement extension building |
| CN101078299B (en) * | 2007-06-25 | 2010-05-19 | 李林 | Method for reconstructing frontage multilayer brick-concrete structure building to frame structure building |
| CN201377186Y (en) * | 2009-01-05 | 2010-01-06 | 上海维固工程实业有限公司 | Reversible reinforcing structure of building |
| CN103924793B (en) * | 2014-05-06 | 2016-05-04 | 北京筑福建筑事务有限责任公司 | Old house reinforcement structure and reinforcement means thereof |
| CN204001813U (en) * | 2014-08-29 | 2014-12-10 | 安徽天筑建设（集团）有限公司 | A kind of existing reinforced concrete floor or roof panel ruggedized construction |
| CN104314321B (en) * | 2014-11-10 | 2016-10-05 | 上海建工二建集团有限公司 | Structural beams transformation reinforcement means |
-
2016
- 2016-10-30 CN CN201610951253.6A patent/CN106368443B/en active Active
- 2016-10-30 CN CN201621184028.6U patent/CN206562792U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108678417A (en) * | 2018-07-31 | 2018-10-19 | 天津市建筑设计院 | A kind of floor of steel structure transformation node |
| CN108678417B (en) * | 2018-07-31 | 2023-07-21 | 天津市建筑设计院 | Steel construction floor reforms transform node |
| CN116770887A (en) * | 2023-08-10 | 2023-09-19 | 中国铁路设计集团有限公司 | New and old subway station structure connecting node and construction method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106368443A (en) | 2017-02-01 |
| CN106368443B (en) | 2019-03-08 |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230426 Address after: 409-419, Floor 4, Martial Arts Hall Building, 168 Yugu Road, Xihu District, Hangzhou City, Zhejiang Province, 310013 (singular) Patentee after: Jiedi Design Group Co.,Ltd. Address before: No. 168, Xihu District Yu Gu Road, Xihu District, Hangzhou, Zhejiang Patentee before: ZHEJIANG JIEDI ARCHITECTURAL DESIGN Co.,Ltd. |
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| TR01 | Transfer of patent right |