CN102561717A - Method for reinforcing brick-concrete structure by utilizing angle steel frame - Google Patents

Method for reinforcing brick-concrete structure by utilizing angle steel frame Download PDF

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Publication number
CN102561717A
CN102561717A CN2011104576844A CN201110457684A CN102561717A CN 102561717 A CN102561717 A CN 102561717A CN 2011104576844 A CN2011104576844 A CN 2011104576844A CN 201110457684 A CN201110457684 A CN 201110457684A CN 102561717 A CN102561717 A CN 102561717A
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angle steel
steel
angle
brick mix
adopts
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CN2011104576844A
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Chinese (zh)
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CN102561717B (en
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董有
赵恩平
龚瑞荣
鞠树森
杨涛
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北京筑福建设工程有限责任公司
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Abstract

The invention relates to a method for reinforcing a brick-concrete structure by utilizing an angle steel frame, belonging to the anti-earthquake reinforcement field. According to the method disclosed by the invention, a reliably connected steel frame formed by double-angle steel can replace a ring beam and a structural column, and field bolt assembly connection through factory pre-fabricated components can be realized, thus the safe, environment-friendly and green construction is realized; simultaneously, angle steel, a wall and a pre-fabricated floor slab are connected by bolts and epoxy resin, and the double-angle steel is also can be used as a round hole plate end part support, so that the connection reliability of the pre-fabricated floor slab and the wall is ensured, double functions of the ring beam and a supporting beam are exerted, reinforcement workload and cost are saved, and the original structure and reinforcement components mutually and cooperatively work. According to the method for reinforcing the brick-concrete structure by utilizing the angle steel frame, disclosed by the invention, the binding-type reinforcement construction speed is fast, and the reinforcement construction is safer, so that the method is very suitable for residential buildings.

Description

Adopt the angle steel steelframe to reinforce the method for brick mix structure

Technical field

The present invention relates to a kind of reinforcement means, particularly a kind of method that adopts the angle steel steelframe to reinforce brick mix structure belongs to the seismic hardening field.

Background technology

Brick mix structure is the traditional form of structure of China, has to reach the developing history in thousands of years, and this is the national conditions of China.Masonry structure generally has three types: the one, and the non-reinforced masonry structure.It is the fragile material structure, and ductility is little, and non-deformability is poor, and the destruction of collapsing suddenly easily in the earthquake is not earthquake proof construction.The 2nd, reinforcement structure through configuration level reinforcing bar in masonry, has increased the ductility of structure; Improved non-deformability; Generally in many height, layer masonry structure building, adopt, like the armored concrete building block building, but employing is less in the existing masonry structure building of China.The 3rd, the binding masonry building is the masonry structure that China creates and promotes after the earthquake of Tangshan, mainly is the brick mix structure that is provided with concrete constructional column and collar tie beam.Constructional column and collar tie beam are the anti-seismic construction measures of constraint brick mix structure distortion, have improved structure resistance to deformation and the ability that prevents to collapse suddenly, have therefore improved the anti-seismic performance of structure.From 78 earthquake resistant codes to 2010 earthquake resistant codes, through continuous summary, the perfect anti-seismic construction measure of masonry structure.The method for designing that makes confined masonry structure is adding system, more reasonable more.Development test shows that the confined masonry structure of execution standard is compared with the non-reinforced masonry structure and can be improved shear-carrying capacity 10%-30%, and the increase rate of its shear-carrying capacity is not very big.But the anti-performance of collapsing of the integral body of structure strengthens very obvious.

Summary of the invention

The present invention is slow in order to overcome conventional construction post and collar tie beam constraint brick mix structure speed of application, and unsafe characteristics have proposed a kind of method that adopts the angle steel steelframe to reinforce brick mix structure, and its cluster strengthening construction speed is fast, safer, is fit to very much residential building and uses.Substitute collar tie beam and constructional column through utilizing double angle to form the reliable steelframe of contact, but the on-the-spot bolts assemblies connection of factory-made component realizes safety, environmental protection, green construction, has saved stabilization works amount and expense.

To achieve these goals, the present invention has taked following technical scheme:

A kind of method that adopts the angle steel steelframe to reinforce brick mix structure is characterized in that: comprise the steps:

Step 1: adopt Chinese Research Institute for Building Sciences " JDJG " building aseismicity to identify and reinforcing design software, the former brick mix structure that does not carry out seismic hardening is carried out modeling and structural seismic checking computations;

Step 2: on the basis that the basic arranged outside reinforced concrete knoll of former brick mix structure supports as the steel construction post;

Step 3: on said reinforced concrete knoll, connect the steel construction post through bolt, the steel construction post is arranged at brick mix structure exterior wall place and arranges along wall is high; Wherein, the type double angle composite construction post of steel construction post for constituting by 2 angle steel; Distance between 2 angle steel equals wall thickness; And in order to guarantee that double angle composite construction post can collaborative work, whenever on double angle composite construction post one steel plate batten plate is set in order to connect left and right two angle steel in the double angle composite construction post at a distance from the 500mm welding; Whenever on the steel construction post, establish a Φ 10mm crab-bolt and wall sockets at a distance from 500mm;

Step 4: under the prefabricated circular hole slab of each layer of brick mix structure; Two sides correspondence along wall is provided with the angle steel rest; The angle steel rest of interior metope is close to prefabricated circular hole slab and metope; Every in the angle steel rest at a distance from 500mm welding one steel plate of putting more energy into, and between prefabricated circular hole slab soffit and angle steel rest filling-modified epoxy resin to play cementation; The angle steel rest of wall face is close to metope, but does not establish the steel plate of putting more energy into; Seal connection each other with one deck angle steel rest; Form the angle steel collar tie beam; Wall both sides angle steel collar tie beam is every establishes the mutual drawknot of a M10 screw rod at a distance from 500mm; The outer said steel construction column end of outer within the walls both sides angle steel collar tie beam and wall adopts the M20mm screw rod to be connected, thus form one from the basis to the steel framework of the sealing of brick mix structure top layer;

Step 5: adopt the C30 pea gravel concrete that the steel construction post is filled out bag;

Step 6: corner post around the brick mix structure is strengthened handling; Be specially: establish an equal leg angle on every limit, brick mix structure corner; Equal leg angle adopts the M20mm screw rod to be connected with angle steel rest within the walls, and adds and join reinforcing bar and connect and strengthen, and adopts the C30 pea gravel concrete to irritate then and wraps; Form steel structure concrete component, corner post is played booster action;

Step 7: back filled foundation, thus accomplish reinforcing to brick mix structure.

In the said step 3, steel construction post distance is 3m-4m.

The size of the equal leg angle that the corner post place is provided with in angle steel carriage in two angle steel in the said step 3 in the steel construction post, the said step 4 and the said step 6 is L100 * 100 * 8mm.

In the said step 3, the distance between 2 angle steel in the steel construction post is 240mm, and the steel plate batten plate is of a size of: length * wide * thick=240 * 200 * 8mm.

In the said step 3, crab-bolt is implanted wall and is not less than 200mm deeply.

In the said step 4, the angle steel collar tie beam adopts corner cut and fillet weld to connect in the junction, turning.

In the said step 5, the rectangular column sectional dimension of filling out the formation of bag back is 500 * 120mm, and wherein, thickness of concrete cover is 20mm.

For existing brick mix structure, adopt angle steel collar tie beam, steel construction post to carry out seismic hardening, angle steel collar tie beam, steel construction post that the starting stage newly adds are not worked.When after the earthquake, former masonry structure receives the horizontal earthquake shearing action, when shear loads is enough big, can cause malformation; At this moment be connected with body of wall reliably as if angle steel collar tie beam, steel construction post; Can be out of shape by restraining structure, new, old structure co-operation play the effect of seismic hardening.

Beneficial effect

1: the angle steel steelframe is reinforced brick mix structure, has the characteristics of traditional reinforcing pull rod, the reinforcing of external wall structure post cluster, but faster, safer than cluster strengthening construction speed, is fit to very much residential building and uses.Form the reliable steelframe of contact with double angle and substitute collar tie beam and constructional column, but the on-the-spot bolts assemblies connection of factory-made component realizes safety, environmental protection, green construction.

2 usefulness double angle instead of steel pull bars.Angle steel is connected with bolt and epoxy resin with wall and precast floor slab, and the double circular hole slab end rest of doing of double angle has simultaneously guaranteed the connection reliability of precast floor slab and wall, has played the double action of collar tie beam and joist, has saved stabilization works amount and expense.

Use Bolt Connection between 3 double angle constructional columns and the collar tie beam, socket with crab-bolt, guaranteed to connect reliably, make between original structure and the strenthening member and work in coordination with co-operation mutually with wall.

4 are provided with L type composite construction post in four jiaos in building, adopt double angle composite construction post and outsourcing C30 pea gravel concrete to make up, and have improved the integral rigidity and the shock resistance of structure.

Description of drawings

Fig. 1 is that angle steel rest of the present invention and steel construction post are reinforced floor map;

Fig. 2 is an angle steel rest of the present invention and the sketch map that is connected of prefabricated circular hole slab and interior wall;

Fig. 3 is that brick mix structure corner post of the present invention is reinforced sketch map;

Fig. 4 is an angle steel rest of the present invention and the sketch map that is connected of prefabricated circular hole slab and exterior wall;

Fig. 5 is a underpin sketch map of the present invention;

Fig. 6 is an A-A sectional drawing among Fig. 5;

Among the figure, the 1-M10 screw rod; 2-angle steel rest; The 3-interior wall; The 4-exterior wall; The 5-M20mm screw rod; 6-steel plate batten plate; 7-steel construction post; The prefabricated circular hole slab of 8-; The 9-modified epoxy; The 10-steel plate of putting more energy into; The 11-equal leg angle; The 12-reinforcing bar; The 13-C30 pea gravel concrete; 14-Φ 10mm crab-bolt; The 15-bolt; 16-reinforced concrete knoll.

The specific embodiment

Shown in Fig. 1-6, the specific embodiment of the present invention is following:

A kind of method that adopts the angle steel steelframe to reinforce brick mix structure comprises the steps:

Step 1: adopt Chinese Research Institute for Building Sciences " JDJG " building aseismicity to identify and reinforcing design software, the former brick mix structure that does not carry out seismic hardening is carried out modeling and structural seismic checking computations;

Step 2: on the basis 16 that the basic arranged outside reinforced concrete knoll of former brick mix structure supports as the steel construction post;

Step 3: on reinforced concrete knoll 16, connect steel construction post 7 through bolt 15, steel construction post 7 3m-4m at interval is arranged at brick mix structure exterior wall 4 places and arranges along wall is high; Wherein, the type double angle composite construction post of steel construction post 7 for constituting by 2 angle steel; Distance between 2 angle steel equals wall thickness; And in order to guarantee that double angle composite construction post can collaborative work, whenever on double angle composite construction post one steel plate batten plate 6 is set in order to connect left and right two angle steel in the double angle composite construction post at a distance from the 500mm welding; Whenever establish a Φ 10mm crab-bolt 14 at a distance from 500mm on the steel construction post 7 and socket with wall, crab-bolt is implanted wall and is not less than 200mm deeply; Wherein, the distance between 2 angle steel in the steel construction post is 240mm, and the steel plate batten plate is of a size of: length * wide * thick=240 * 200 * 8mm.The size of the equal leg angle that simultaneously, the corner post place is provided with in two angle steel in the steel construction post, the angle steel carriage in the step 4 and the step 6 is L100 * 100 * 8mm.

Step 4: the prefabricated circular hole slab of each layer of brick mix structure 8 times; Two sides correspondence along wall is provided with angle steel rest 2; The angle steel rest 2 of interior metope is close to prefabricated circular hole slab 8 and metope; Every in the angle steel rest 2 at a distance from 500mm welding one steel plate 10 of putting more energy into, and at prefabricated circular hole slab 8 soffits and 2 filling-modified epoxy resin 9 of angle steel rest to play cementation; The angle steel rest 2 of wall face is close to metope, but does not establish the steel plate 10 of putting more energy into; With one deck angle steel rest 2 sealing connection each other; Form the angle steel collar tie beam; The angle steel collar tie beam adopts corner cut and fillet weld to connect in the junction, turning; Wall both sides angle steel collar tie beam is every establishes a M10 screw rod 1 mutual drawknot at a distance from 500mm, and outer within the walls both sides angle steel collar tie beam is connected with wall said steel construction post 7 ends employing outward M20mm screw rod 5, thus form one from the basis to the steel framework of the sealing of brick mix structure top layer;

Step 5: adopt C30 pea gravel concrete 13 that the steel construction post is filled out bag, filling out the rectangular column sectional dimension that the bag back forms is 500 * 120mm, and wherein, thickness of concrete cover is 20mm;

Step 6: corner post around the brick mix structure is strengthened handling; Be specially: establish an equal leg angle 11 on every limit, brick mix structure corner; Equal leg angle 11 adopts M20mm screw rods 5 to be connected with angle steel rest within the walls 2, and adds and join reinforcing bar 12 and connect and strengthen, and adopts C30 pea gravel concrete 13 to irritate then and wraps; Form steel structure concrete component, corner post is played booster action;

Step 7: back filled foundation, thus accomplish reinforcing to brick mix structure.

More than be an exemplary embodiments of the present invention, enforcement of the present invention is not limited thereto.

Claims (7)

1. a method that adopts the angle steel steelframe to reinforce brick mix structure is characterized in that: comprise the steps:
Step 1: adopt Chinese Research Institute for Building Sciences " JDJG " building aseismicity to identify and reinforcing design software, the former brick mix structure that does not carry out seismic hardening is carried out modeling and structural seismic checking computations;
Step 2: on the basis that the basic arranged outside reinforced concrete knoll of former brick mix structure supports as the steel construction post;
Step 3: on said reinforced concrete knoll, connect the steel construction post through bolt, the steel construction post is arranged at brick mix structure exterior wall place and arranges along wall is high; Wherein, the type double angle composite construction post of steel construction post for constituting by 2 angle steel; Distance between 2 angle steel equals wall thickness; And in order to guarantee that double angle composite construction post can collaborative work, whenever on double angle composite construction post one steel plate batten plate is set in order to connect left and right two angle steel in the double angle composite construction post at a distance from the 500mm welding; Whenever on the steel construction post, establish a Φ 10mm crab-bolt and wall sockets at a distance from 500mm;
Step 4: under the prefabricated circular hole slab of each layer of brick mix structure; Two sides correspondence along wall is provided with the angle steel rest; The angle steel rest of interior metope is close to prefabricated circular hole slab and metope; Every in the angle steel rest at a distance from 500mm welding one steel plate of putting more energy into, and between prefabricated circular hole slab soffit and angle steel rest filling-modified epoxy resin to play cementation; The angle steel rest of wall face is close to metope, but does not establish the steel plate of putting more energy into; Seal connection each other with one deck angle steel rest; Form the angle steel collar tie beam; Wall both sides angle steel collar tie beam is every establishes the mutual drawknot of a M10 screw rod at a distance from 500mm; The outer said steel construction column end of outer within the walls both sides angle steel collar tie beam and wall adopts the M20mm screw rod to be connected, thus form one from the basis to the steel framework of the sealing of brick mix structure top layer;
Step 5: adopt the C30 pea gravel concrete that the steel construction post is filled out bag;
Step 6: corner post around the brick mix structure is strengthened handling; Be specially: establish an equal leg angle on every limit, brick mix structure corner; Equal leg angle adopts the M20mm screw rod to be connected with angle steel rest within the walls, and adds and join reinforcing bar and connect and strengthen, and adopts the C30 pea gravel concrete to irritate then and wraps; Form steel structure concrete component, corner post is played booster action;
Step 7: back filled foundation, thus accomplish reinforcing to brick mix structure.
2. a kind of method that adopts the angle steel steelframe to reinforce brick mix structure according to claim 1 is characterized in that: in the said step 3, steel construction post distance is 3m-4m.
3. a kind of method that adopts the angle steel steelframe to reinforce brick mix structure according to claim 1, it is characterized in that: the size of the equal leg angle that the corner post place is provided with in angle steel carriage in two angle steel in the said step 3 in the steel construction post, the said step 4 and the said step 6 is L100 * 100 * 8mm.
4. a kind of method that adopts the angle steel steelframe to reinforce brick mix structure according to claim 1; It is characterized in that: in the said step 3; Distance between 2 angle steel in the steel construction post is 240mm, and the steel plate batten plate is of a size of: length * wide * thick=240 * 200 * 8mm.
5. a kind of method that adopts the angle steel steelframe to reinforce brick mix structure according to claim 1 is characterized in that: in the said step 3, crab-bolt is implanted wall and is not less than 200mm deeply.
6. a kind of method that adopts the angle steel steelframe to reinforce brick mix structure according to claim 1 is characterized in that: in the said step 4, the angle steel collar tie beam adopts corner cut and fillet weld to connect in the junction, turning.
7. a kind of method that adopts the angle steel steelframe to reinforce brick mix structure according to claim 1 is characterized in that: in the said step 5, the rectangular column sectional dimension of filling out the formation of bag back is 500 * 120mm, and wherein, thickness of concrete cover is 20mm.
CN201110457684.4A 2011-12-31 2011-12-31 Method for reinforcing brick-concrete structure by utilizing angle steel frame CN102561717B (en)

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102979322A (en) * 2012-12-31 2013-03-20 上海市建筑科学研究院(集团)有限公司 Method for integrally reinforcing masonry structure by sectional steel combined ring beams and construction columns
CN103089023A (en) * 2013-01-17 2013-05-08 东南大学 House anti-seismic stone wall reinforced structure and construction method thereof
CN103352583A (en) * 2013-07-09 2013-10-16 北京筑福国际工程技术有限责任公司 Method for reinforcing assembly type multilayer brick-concrete structure
CN103498568A (en) * 2013-10-12 2014-01-08 北京筑福国际工程技术有限责任公司 Reinforcing structure and reinforcing method for board type staircases of multi-storey masonry-structured building
CN103741961A (en) * 2014-01-06 2014-04-23 北京筑福国际工程技术有限责任公司 Aseismic strengthening method for adding pin key and hidden beam for prefabricated round hole plate of existing building
CN103758358A (en) * 2014-01-06 2014-04-30 北京筑福国际工程技术有限责任公司 Steel plate angle iron combined constructional column and anchor adhering steel plate brickwork reinforcing structure and construction method
CN103924793A (en) * 2014-05-06 2014-07-16 北京筑福建筑事务有限责任公司 Old house reinforcing structure and reinforcing method thereof
CN103993753A (en) * 2014-06-04 2014-08-20 郑州大学 Angle hoop tie reinforcement system of traditional stone masonry house and construction technology
CN104389440A (en) * 2014-10-31 2015-03-04 成都聚智工业设计有限公司 Reinforcement device
CN106088657A (en) * 2016-08-03 2016-11-09 连云港市房屋安全鉴定管理中心 The ruggedized construction of a kind of rowlock wall body and construction method thereof
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
CN110409858A (en) * 2019-06-28 2019-11-05 山东省建筑科学研究院有限公司 One kind being used for masonry bearing capacity structural member and construction method

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CN101936074A (en) * 2010-08-05 2011-01-05 北京特希达科技有限公司 Fast building earthquake-resisting reinforcing method and device
CN201771202U (en) * 2010-08-19 2011-03-23 朱奎 Reinforcing structure of load bearing wall body

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FR2411279A1 (en) * 1977-12-07 1979-07-06 Guele Guy Structural column of externally winged H=section - is made of twin metal winged U=sections with edge channels housing ends infill panels
CN101858124A (en) * 2010-06-07 2010-10-13 南昌大学 Novel seismic hardening constructional column of masonry structure
CN101936074A (en) * 2010-08-05 2011-01-05 北京特希达科技有限公司 Fast building earthquake-resisting reinforcing method and device
CN201771202U (en) * 2010-08-19 2011-03-23 朱奎 Reinforcing structure of load bearing wall body

Cited By (19)

* Cited by examiner, † Cited by third party
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
CN102979322B (en) * 2012-12-31 2015-06-10 上海市建筑科学研究院(集团)有限公司 Method for integrally reinforcing masonry structure by sectional steel combined ring beams and construction columns
CN102979322A (en) * 2012-12-31 2013-03-20 上海市建筑科学研究院(集团)有限公司 Method for integrally reinforcing masonry structure by sectional steel combined ring beams and construction columns
CN103089023A (en) * 2013-01-17 2013-05-08 东南大学 House anti-seismic stone wall reinforced structure and construction method thereof
CN103352583A (en) * 2013-07-09 2013-10-16 北京筑福国际工程技术有限责任公司 Method for reinforcing assembly type multilayer brick-concrete structure
CN103352583B (en) * 2013-07-09 2015-11-25 北京筑福建筑事务有限责任公司 Assembling multistory brick-and-concrete structure reinforcement means
CN103498568A (en) * 2013-10-12 2014-01-08 北京筑福国际工程技术有限责任公司 Reinforcing structure and reinforcing method for board type staircases of multi-storey masonry-structured building
CN103758358B (en) * 2014-01-06 2016-05-04 北京筑福国际工程技术有限责任公司 Steel plate angle steel composite construction post and sticky anchor steel plate reinforced masonry wall structure and construction method
CN103741961A (en) * 2014-01-06 2014-04-23 北京筑福国际工程技术有限责任公司 Aseismic strengthening method for adding pin key and hidden beam for prefabricated round hole plate of existing building
CN103741961B (en) * 2014-01-06 2015-09-09 北京筑福国际工程技术有限责任公司 To boost sales after the prefabricated circular hole slab of existing building the dark seismic strengthening of beams method of key
CN103758358A (en) * 2014-01-06 2014-04-30 北京筑福国际工程技术有限责任公司 Steel plate angle iron combined constructional column and anchor adhering steel plate brickwork reinforcing structure and construction method
CN103924793A (en) * 2014-05-06 2014-07-16 北京筑福建筑事务有限责任公司 Old house reinforcing structure and reinforcing method thereof
CN103993753B (en) * 2014-06-04 2016-05-04 郑州大学 Tradition stone-made house angle hoop drawknot hardened system and construction technology
CN103993753A (en) * 2014-06-04 2014-08-20 郑州大学 Angle hoop tie reinforcement system of traditional stone masonry house and construction technology
CN104389440A (en) * 2014-10-31 2015-03-04 成都聚智工业设计有限公司 Reinforcement device
CN104389440B (en) * 2014-10-31 2017-04-12 湖北省路桥集团有限公司 Reinforcement device
CN106088657A (en) * 2016-08-03 2016-11-09 连云港市房屋安全鉴定管理中心 The ruggedized construction of a kind of rowlock wall body and construction method thereof
CN106088657B (en) * 2016-08-03 2019-03-29 连云港市房屋安全鉴定管理中心 A kind of ruggedized construction and its construction method of rowlock wall body
CN110409858A (en) * 2019-06-28 2019-11-05 山东省建筑科学研究院有限公司 One kind being used for masonry bearing capacity structural member and construction method

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