CN101672108B - Steel plate-brickwork combination stressed building component and production method thereof - Google Patents

Steel plate-brickwork combination stressed building component and production method thereof Download PDF

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Publication number
CN101672108B
CN101672108B CN2009100352599A CN200910035259A CN101672108B CN 101672108 B CN101672108 B CN 101672108B CN 2009100352599 A CN2009100352599 A CN 2009100352599A CN 200910035259 A CN200910035259 A CN 200910035259A CN 101672108 B CN101672108 B CN 101672108B
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China
Prior art keywords
steel plate
encased steel
masonry
metope
encased
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Expired - Fee Related
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CN2009100352599A
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Chinese (zh)
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CN101672108A (en
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敬登虎
郭华忠
曹双寅
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Southeast University
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Southeast University
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Abstract

The invention relates to a steel plate-brickwork combination stressed building component and a production method thereof, belonging to the technical field of structural engineering. The production method comprises the following steps: after mounting a wall surface wrapping steel plate of which the plate surface is provided with through holes on the wall surface of the existing wall, dismantling partial walls adjacent to the wall surface wrapping steel plate so as to respectively form brickworks of an underpinned beam and a supporting column; then mounting section wrapping steel plates on the sections of the brickworks and welding and sealing the section wrapping steel plates and the wall surface wrapping steel plate so as to form a wrapping steel plate shell; and finally, filling structural adhesive between the brickworks and the wrapping steel plate shell under pressure. The invention adopts the existing wall as the brickworks and reinforces the wall by arranging the steel plates on both sides of the existing wall so as to avoid carrying out wet operation in a construction process and effectively shorten the construction period. Moreover, a large quantity of templates and scaffold supports needed by concrete pouring in the prior art are reduced so as to save the construction cost, and meanwhile, the condition that the section of the component is larger to influence the attraction and the use of buildings is avoided.

Description

Steel plate-brickwork combination stressed building component and production method thereof
Technical field
The present invention relates to a kind of steel plate-brickwork combination stressed building component and production method thereof, be applied to existing masonry load-carrying members house when carrying out large-space rebuilding, that sets up in the time of need removing load bearing wall underpins beam, post, belongs to technical field of structural engineering.
Background technology
In order to satisfy the large space demand of existing masonry load-carrying members house on function of use; Need partial weight-bearing masonry (most for brick) wall extracted to carry out spatial spread; Cause the transfer route of original body of wall bearing load to change; Must be provided with and effectively underpin beam, post primary structure member, can guarantee that just the safety of structure is used with normal.
At present, carry out the engineering of large-space rebuilding about the masonry load-carrying members, adopt traditionally comparative maturity underpin beam, the post primary structure member is the combining structure of reinforced concrete structure, steel and concrete etc.In general, prior art is fairly perfect and safe and reliable on construction technology, still; Work owing to have the concrete construction part and can not take into full account original body of wall, there is following weak point in it: there is the concrete construction part in (1), and concrete normal curing time need be guaranteed; Increased the early strong concrete that waits Admixture even adopt, also needed just can carry out form removal after a period of time, normally come into operation; Therefore; This employing concrete wet trade forms underpins beam, bearing post primary structure member, and curing time is longer, has prolonged the construction period; (2) beam that increases newly, the column section part overwhelming majority are the outer outsides that wraps in residual allowable ratio of height to sectional thickness of masonry wall or column; Be after it satisfies certain technical requirements; Be embedded in body of wall inside, the beam that increases newly in the prior art, post are not considered residual masonry subparticipation work, simultaneously in order to satisfy the Concrete Construction quality; The sectional dimension that increases beam, post newly can not be too small, directly influences the attractive in appearance and use of building; (3) the concrete template and the scaffold support of building shaping need be a large amount of increases construction cost, is prone to cause the job site to crowd simultaneously, security incident takes place, and greatly jeopardizes constructor's safety.
Summary of the invention
The present invention is directed to the deficiency of prior art, a kind of steel plate-brickwork combination stressed building component is provided.It adopts existing wall segment as inner core, and in the outside of this existing wall segment steel plate is installed and is reinforced, thereby avoids constructing of steel plate-brickwork combination stressed member to carry out wet trade in the process, shortens the construction period effectively; Simultaneously, also reduce needed a large amount of templates of concreting and scaffold bracing frame in the prior art, practice thrift construction cost; It is attractive in appearance and use to avoid occurring the member section building that influences bigger than normal in addition.
In order to realize above technical purpose, the present invention adopts following technical scheme:
A kind of steel plate-brickwork combination stressed building component comprises encased steel plate housing and masonry.Said masonry is made with the existing body of wall that formation underpins beam, bearing post with pending large-space rebuilding; Said encased steel plate housing is arranged at the periphery of masonry; And offer the through hole that is used for reperfusion structure glue on the encased steel plate housing, and link into an integrated entity through securing member and through hole reperfusion structure glue between encased steel plate housing and the masonry.
The encased steel plate housing comprises metope encased steel plate and section encased steel plate.The metope encased steel plate is two; This two metopes encased steel plate is relatively arranged on two metopes of the existing body of wall that is built into masonry; And two metope encased steel plates are fixedly connected through securing member with placing masonry therebetween; And the section encased steel plate is installed on the section of masonry, and section encased steel plate and metope encased steel plate welded closure are integral.In work progress, should carry out steel plate welding back reperfusion structure glue earlier, must not put upside down sequence of construction.
Between said metope encased steel plate and the masonry cement sand bed is set, this cement sand bed is bonded on the masonry, and is provided for the groove of reperfusion structure glue on this cement sand bed.Simultaneously, structure glue can penetrate into inner masonry by the securing member perforation along groove.
Said securing member is a stud, and adopts welding fixing between the nut of this stud and the screw rod.
According to above technical scheme, can realize following beneficial effect:
1. steel plate-brickwork combination stressed building component of the present invention adopts existing body of wall to make masonry; Then do not have the wet trade of concrete construction on the one hand, can shorten the construction period, also reduce needed a large amount of templates of concreting and scaffold support in the prior art on the other hand; Practice thrift construction cost; It is attractive in appearance and use also to avoid occurring the member section building that influences bigger than normal simultaneously, in addition, constitutes the existing body of wall and the collaborative work of encased steel plate housing that underpin beam, bearing post masonry; Give full play to the contribution of residual body of wall, practiced thrift material cost effectively;
2. metope encased steel plate of the present invention is fixedly connected through securing member with placing the masonry between this metope encased steel plate; And metope encased steel plate and section encased steel plate pass through welded closure; Then further strengthen being fastenedly connected between encased steel plate housing and the masonry, improve collaborative work between the two effectively;
3. between metope encased steel plate and the masonry cement sand bed is set; This cement sand bed is bonded on the masonry; And be provided for the groove of reperfusion structure glue on this cement sand bed; Then can make things convenient for the perfusion of structure glue, help linking into an integrated entity between encased steel plate housing and the masonry, thereby strengthen both collaborative works;
4. reperfusion structure glue can be penetrated into inner masonry the inside along the securing member perforation through the groove of cement sand bed, can strengthen the globality and the intensity of inner masonry.
Another goal of the invention of the present invention provides a kind of production method of steel plate-brickwork combination stressed building component; Relate to pending large-space rebuilding underpins beam and bearing post with formation existing body of wall; Be provided with the metope encased steel plate of through hole through metope upper mounting plate face after securing member is installed at existing body of wall; Remove the adjacent existing body of wall of part of metope encased steel plate and underpin the masonry in beam and the bearing post to form respectively; And then the section encased steel plate is installed at the section of masonry; To form the encased steel plate housing, pressure injection structure glue between masonry and encased steel plate housing can form steel plate-brickwork combination stressed building component at last with section encased steel plate and metope encased steel plate welded closure.
The production method of above-mentioned steel plate-brickwork combination stressed building component may further comprise the steps: the rendering layer removing is carried out to being about to be used to construct the existing body of wall two sides that underpins beam and bearing post masonry in (1); Then smear cement sand bed respectively on existing body of wall two surfaces of removing rendering layer; Before cement mortar is solidified, be provided for the groove of reperfusion structure glue on the top layer of cement sand bed then; (2) two metope encased steel plates are fixedly connected on the outside of cement sand bed respectively through securing member; (3) remove the adjacent existing body of wall of part of bearing post to obtain the bearing post masonry; And to section have incomplete employing concrete repair, floating; Section at the bearing post masonry is installed the section encased steel plate, and dismounting simultaneously underpins the adjacent existing body of wall of part in beam bottom and underpins the beam masonry to obtain, and section is handled same bearing post; Underpin beam masonry bottom section at this section encased steel plate is set, this section encased steel plate and metope encased steel plate adopt welded closure to form the encased steel plate housing; (4) underpin the encased steel plate butt joint full weld at beam, both node places of bearing post, and underpining install reinforcing rib plate between beam and the bearing post; (5) with the through hole reperfusion structure glue of press device through being provided with on the encased steel plate housing, with the gap between filling concrete screed and the encased steel plate housing, and the gap of tamping inner masonry through securing member perforation; (6) do antirust, fireproof jointing sheath at the encased steel plate surface of shell.
Said securing member adopts quincunx or distributed rectangular on the metope encased steel plate; And the securing member spacing in pressurized zone and bearing post two styletables zone is 15t~20t in underpining girder span; And the spacing of all the other position securing members is 30t~60t, and t representes steel plate thickness, underpins in the girder span pressurized zone for underpining pressurized position, beam middle part; Length is to underpin 1/3rd of beam span, and the styletable zone then refers to respectively and capital and the suspension column zone at a distance of 400mm~500mm.
According to above technical scheme, can realize following beneficial effect:
1. in the work progress,, forming whole participation work, and then carry out the existing body of wall overall pulling down around the metope encased steel plate, so do not need supporting template and safety supports because the metope encased steel plate is fastenedly connected with existing body of wall earlier;
2. the encased steel plate housing is owing to self very thin thickness, and therefore, the sectional dimension that underpins beam, bearing post is very little to appearance effects;
3. because the encased steel plate housing comprises integrally welded metope encased steel plate and section encased steel plate, and the encased steel plate housing is installed on the masonry periphery, makes rectangle, T shape or L shaped so can hold column section to support as required, is similar to the thin-walled column form.
Description of drawings
Fig. 1 is the structural representation of steel plate-brickwork combination stressed building component according to the invention;
Fig. 2 is the A-A view among Fig. 1;
Fig. 3 is a B-B view among Fig. 1;
Fig. 4 is the flow chart of constructing of steel plate-brickwork combination stressed building component according to the invention;
Wherein, bearing post 1 styletable zone 11 underpins beam 2 span centre pressurized zone 21 studs 3 concrete repair layers 4 section encased steel plate 51 metope encased steel plates 52 through holes 53 cement sand beds 6 masonries 7 deep floors 8.
The specific embodiment
Below will combine accompanying drawing that technical scheme of the present invention at length is described.
Shown in Fig. 1 to 3; Steel plate-brickwork combination stressed building component of the present invention; Comprise encased steel plate housing and masonry 7, the pending large-space rebuilding of said masonry 7 usefulness is made with the existing body of wall that formation underpins beam 2 or bearing post 1, and said encased steel plate housing is arranged at the periphery of masonry 7; And offer the through hole 53 that is used for reperfusion structure glue on the encased steel plate housing, and the structure glue through securing member and through hole 53 perfusions links into an integrated entity between encased steel plate housing and the masonry 7.
The encased steel plate housing comprises metope encased steel plate 52 and section encased steel plate 51; Metope encased steel plate 52 is two; This two metopes encased steel plate 52 is relatively arranged on two metopes of the existing body of wall that is built into masonry 7, and two metope encased steel plates 52 are fixedly connected through securing member with placing masonry 7 therebetween, and said securing member is a stud 3; And adopt welding fixing between the nut of this stud 3 and the screw rod; Thereby can prevent coming off of nut effectively, and section encased steel plate 51 is installed on the section of masonry 7, and section encased steel plate 51 is integral with metope encased steel plate 52 welded closure.
Between said metope encased steel plate 52 and the masonry 7 cement sand bed 6 is set; This cement sand bed 6 is bonded on the masonry 7; And be provided for the groove of reperfusion structure glue on the cement sand bed 6; In addition, section encased steel plate 51 and remove between the left body of wall section of the existing body of wall of part and be provided with the concrete repair layer is to repair the body of wall section smooth.
As shown in Figure 4; The production method of steel plate-brickwork combination stressed building component according to the invention; Relate to pending large-space rebuilding underpins beam 2 and bearing post 1 with formation existing body of wall; Securing member is installed in metope encased steel plate 52 backs that are provided with through hole 53 through the metope upper mounting plate face at existing body of wall; Remove the adjacent existing body of wall of part of metope encased steel plate 52 forming the masonry 7 that underpins in beam 2 and the bearing post 1 respectively, and then settle section encased steel plate 51 at the section of masonry 7, and with section encased steel plate 51 and metope encased steel plate 52 welded closure to form the encased steel plate housing; Pressure injection structure glue between masonry 7 and encased steel plate housing can form steel plate-brickwork 7 combination stressed building components at last.
The production method of above-mentioned steel plate-brickwork 7 combination stressed building components may further comprise the steps: (1) according to underpining the sectional dimension of beam 2, bearing post 1, and metope encased steel plate 52, section encased steel plate 51 and the stud 3 of needs is ready to; (2) needs are used to construct the existing body of wall two sides that underpins beam 2 and bearing post 1 masonry 7 and carry out the rendering layer removing; Then smear cement sand bed 6 respectively on existing body of wall two surfaces of removing rendering layer; Then before cement mortar is solidified; Be provided for the groove of reperfusion structure glue on the top layer of cement sand bed 6, and groove is the oblique groove of quadrature; (3) two metope encased steel plates 52 are fixedly connected on the outside of cement sand bed 6 respectively through securing member; The present invention takes split bolt will place the metope encased steel plate 52 of metope both sides to tighten fixing; And welding dead nut with electric welding prevents to become flexible; Consider that the styletable that underpins beam 2 span centre pressurized zone and bearing post 1 receives brokenly ring because of the partial buckling unstability more easily; Then securing member adopts quincunx or distributed rectangular on metope encased steel plate 52, and is 15t~20t in the securing member spacing that underpins 1 liang of styletable of beam 2 span centre pressurized zone and bearing post zone, and the spacing of all the other position securing members is 30t~60t; T representes steel plate thickness; Underpin beam 2 span centre pressurized zone for underpining pressurized position, beam 2 middle part, length is to underpin 1/3rd of beam 2 spans, and the styletable zone then refers to respectively and capital and the suspension column zone at a distance of 400mm~500mm; (4) remove the adjacent existing body of wall of part of bearing post 1 to obtain bearing post 1 masonry 7; And in the section installation section encased steel plate 51 of bearing post 1 masonry 7; Adopt welded closure to form the encased steel plate housing between this section encased steel plate 51 and the metope encased steel plate 52, in addition, when removing the existing body of wall of the adjacent part of bearing post 1; For keeping the smooth of section; The present invention smears the concrete repair layer on section, making things convenient for effective connection the between section encased steel plate 51 and masonry 7 sections, but also practice thrift the consumption of structure glue; Dismounting underpins the adjacent existing body of wall in beam 2 bottoms and underpins beam 2 masonries 7 to obtain; Section is handled with bearing post 1; And underpin beam 2 masonries 7 bottom sections at this section encased steel plate 51 is set, equally with adopting welded closure between section encased steel plate 51 and the metope encased steel plate 52 to form the encased steel plate housing; (5) underpin the encased steel plate butt joint full weld at beam 2, bearing post 1 both node places, and underpining install reinforcing rib plate 8 between beam 2 and the bearing post 1; (6), filling the gap between masonry 7 and the encased steel plate housing, and permeate the gap of tamping inner masonry 7 along the securing member perforation with the through hole 53 reperfusion structure glue of press device through being provided with on the encased steel plate housing; (7) do antirust, fireproof jointing sheath at the encased steel plate surface of shell.

Claims (6)

1. steel plate-brickwork combination stressed building component; Comprise encased steel plate housing and masonry; It is characterized in that: said masonry is made with the existing body of wall that formation underpins beam or bearing post with pending large-space rebuilding; Said encased steel plate housing is arranged at the periphery of masonry, and offers the through hole that is used for reperfusion structure glue on the encased steel plate housing, and the structure glue through the through hole perfusion links into an integrated entity between encased steel plate housing and the masonry; The encased steel plate housing comprises metope encased steel plate and section encased steel plate; The metope encased steel plate is two, and this two metopes encased steel plate is relatively arranged on two metopes of the existing body of wall that is built into masonry, and two metope encased steel plates are fixedly connected through securing member with placing masonry therebetween; And the section encased steel plate is installed on the section of masonry, and section encased steel plate and metope encased steel plate welded closure are integral.
2. steel plate-brickwork combination stressed building component according to claim 1; It is characterized in that; Between said metope encased steel plate and the masonry cement sand bed is set, this cement sand bed is bonded on the masonry, and is provided for the groove of reperfusion structure glue on this cement sand bed.
3. steel plate-brickwork combination stressed building component according to claim 1 and 2 is characterized in that, said securing member is a stud, and adopts welding fixing between the nut of this stud and the screw rod.
4. the production method of a steel plate-brickwork combination stressed building component; Relate to pending large-space rebuilding underpins beam and bearing post with formation existing body of wall; It is characterized in that, carry out as follows: A, employing securing member are provided with the metope encased steel plate of through hole at the metope upper mounting plate face of existing body of wall; B, the dismounting existing body of wall adjacent with the metope encased steel plate underpin the masonry in beam and the bearing post to form respectively; C and then settle the section encased steel plate at the section of masonry, and with section encased steel plate and metope encased steel plate welded closure with formation encased steel plate housing; D, between masonry and encased steel plate housing the pressure injection structure glue, promptly form steel plate-brickwork combination stressed building component.
5. the production method of steel plate-brickwork combination stressed building component according to claim 4; It is characterized in that; Before carrying out the A step, carry out earlier following steps successively: carry out the rendering layer removing to being used to construct the existing body of wall two sides that underpins beam and bearing post masonry, then smear cement sand bed respectively on existing body of wall two surfaces of removing rendering layer; Before cement mortar is solidified, be provided for the groove of reperfusion structure glue on the top layer of cement sand bed then; The A step is specially the outside that two metope encased steel plates is fixedly connected on cement sand bed respectively through securing member; The B step is specially removes the existing body of wall adjacent with the metope encased steel plate to obtain bearing post respectively and to underpin the beam masonry; The C step is specially in bearing post and the section that underpins the beam masonry and settles the section encased steel plate, and this section encased steel plate and metope encased steel plate welded closure to be forming the encased steel plate housing, and on the metope encased steel plate, welds to be formed for the through hole of reperfusion structure glue; Between C step and D step, also there are following steps:, and underpining install reinforcing rib plate between beam and the bearing post with the said encased steel plate butt joint full weld that underpins beam, bearing post node place; Described D step realizes in the following manner: adopt the through hole reperfusion structure glue of press device through being provided with on the encased steel plate housing; Filling the gap between masonry and the encased steel plate housing, and the gap of tamping inner masonry of the perforation reperfusion structure glue through securing member; After accomplishing the D step, do antirust, fireproof jointing sheath on the encased steel plate surface.
6. the production method of steel plate-brickwork combination stressed building component according to claim 5; It is characterized in that; Said securing member adopts quincunx or distributed rectangular on the metope encased steel plate, and the securing member spacing in pressurized zone and bearing post two styletables zone is 15t~20t in underpining girder span, and the spacing of all the other position securing members is 30t~60t; T representes steel plate thickness; Underpin in the girder span pressurized zone for underpining pressurized position, beam middle part, length is to underpin 1/3rd of beam span, and the styletable zone then refers to respectively and capital and the suspension column zone of 400mm~500mm apart.
CN2009100352599A 2009-09-27 2009-09-27 Steel plate-brickwork combination stressed building component and production method thereof Expired - Fee Related CN101672108B (en)

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CN101672108B true CN101672108B (en) 2012-08-15

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CN101818578B (en) * 2010-03-26 2012-02-01 建研科技股份有限公司 Disaster prevention and reinforcement method for brick house
CN101906882B (en) * 2010-07-06 2011-12-07 华南理工大学 Method for carrying out earthquake-resistance and strengthening on traditional masonry structure by using steel parts
CN102003080B (en) * 2010-11-24 2012-08-29 北京市建筑设计研究院 Anti-seismic reinforcing structure and method of old brickwork building
CN102661010B (en) * 2012-05-16 2014-05-07 东南大学 Composite shear wall
CN102704703A (en) * 2012-05-30 2012-10-03 东南大学 Method for underpinning large-space wall by using pre-stressed carbon fiber composite cable
CN104847130B (en) * 2015-05-19 2017-04-05 江苏南通三建集团有限公司 A kind of ruggedized construction and its construction method of existing structure beam
CN108360838B (en) * 2018-03-16 2023-07-25 湖南科技学院 Steel-concrete support bracket and construction method thereof
CN109812047A (en) * 2019-03-26 2019-05-28 中建四局第一建筑工程有限公司 One kind is to pull-type steel plate shear force wall strengthening construction structure and method
CN110748193A (en) * 2019-10-22 2020-02-04 武汉华科永信建筑工程有限公司 Construction process for chiseling bearing wall
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