CN101858124A - Novel seismic hardening constructional column of masonry structure - Google Patents
Novel seismic hardening constructional column of masonry structure Download PDFInfo
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Abstract
The invention discloses a novel seismic hardening constructional column of a masonry structure. The novel seismic hardening construction column comprises a primary-structure wall body, a steel plate, an angle steel, a split bolt and a steel tie, and is designed as follows: the steel plate and the split bolt are hooped with the wall body to form a combination constructional column at the exterior of the primary-structure wall body, and the steel tie is embedded between the combination constructional column and the peripheral wall body. The seismic hardening constructional column is provided with different shapes aiming at different parts, and can be in a linear shape, a L shape, a T shape and a crisscross shape; the steel plate or the angle iron is bonded on the surface of the construction column; and the split bolt pulls and ties the steel plate or the angle steel to form a firm integrated body with the column body. Compared with the traditional seismic hardening constructional column, the novel seismic hardening constructional column has the advantages of safety, practicability, simple structure, convenient construction, good integrity, strong shock resistance, short construction period, no damage on the wall body, no influence on appearance and the like.
Description
Technical field
The present invention relates to building engineering field, particularly the Hollow Block Masonry Structure Anti-seismic field of reinforcement.
Background technology
In the masonry structure, constructional column plays a part very important at the aspects such as shock resistance of carrying out, increase building of the integral rigidity that improves building and ductility, constraint wall body slit, so in the strengthening reconstruction of masonry structure building, the setting of seismic hardening constructional column is vital.
The constructional column of Hollow Block Masonry Structure Anti-seismic reinforcing at present is main to be set according to " building aseismicity reinforcing technique rules " regulation, its method is: in the position that seismic hardening constructional column need be set by national earthquake resistant design code requirement, with original body of wall complete removal, and a both sides body of wall that stays breaks into horse tooth trough, making reinforcing cage then is positioned in the body of wall, with the casting and compacting of concrete of high grade more, form aseismatic structural column.This also is a traditional method of reinforcing seismic hardening constructional column in the industry at present.
There is following open defect in above-mentioned traditional seismic hardening constructional column:
1, destroys body of wall, influence structural safety.Masonry strength is very low, member (as wall between windows) size historical protective buildings remote of less generation for many years, does not just satisfy intensity, rigidity and stability requirement originally, if remove body of wall, serious potential safety hazard will be arranged, even promptly causes in the process of removing and collapse.
2, globality is difficult to guarantee.Constructional column mainly relies on horse tooth trough to realize with being connected of body of wall, in the process that body of wall is removed, almost can't form real horse tooth trough, add that new pillar is in work progress, its tension rib is difficult to reach good effect, so be difficult to realize the whole interconnect function of constructional column in earthquake.
3, difficulty of construction is big, cost is high, long in time limit, influence outward appearance.Above-mentioned traditional seismic hardening constructional column relates to reinforcing cage connection, formwork and disturbing concrete etc., and concrete reaches design strength and need the long technology intermission time, and these are to be difficult to realize in the strengthening construction process.So work progress is extremely complicated, difficulty of construction is big.
Summary of the invention
The objective of the invention is provides a kind of economy, suitable, safe brand-new Hollow Block Masonry Structure Anti-seismic to reinforce constructional column for the defective that overcomes traditional seismic hardening constructional column.
The present invention is achieved by the following technical solutions:
Described novel seismic hardening constructional column of masonry structure comprises members such as original structure body of wall, steel plate, angle steel, split bolt, steel tie.It is to be provided with like this: wale body of wall in original structure body of wall both sides external by steel plate (angle steel) and split bolt cover and form the composite construction post, composite construction post and peripheral body of wall inter-planting are gone into steel tie.
Technique scheme can adopt different forms to be realized at different positions, and the main basis of its form body of wall intersection location is in length and breadth determined, can be divided into: " one " font, " L " font, " T " font, " ten " font.
The concrete technical scheme of " one " font seismic hardening constructional column is: steel tie is implanted to the extension of both sides body of wall in the body of wall position that constructional column is set in " one " font wall, two side external surface affixing steel plates at the body of wall position that constructional column is set, form with both sides steel plate tension and with original wall body with split bolt after affixing steel plate is finished and closely be connected reliably, effect by split bolt, steel plate forms the effect of three dimension stress to its core space body of wall, thereby has formed " one " font combination aseismatic structural column.
The concrete technical scheme of " L " font seismic hardening constructional column is: the body of wall position that constructional column is set in " L " font exterior wall corner, steel tie is implanted in extension to the both sides body of wall, inside and outside both side surface affixing steel plate at " L " font exterior wall position that constructional column is set, weld in steel plate junction in length and breadth, also can paste a slice angle steel in inboard corner, after finishing, affixing steel plate (angle steel) forms closely being connected reliably of " L " font with both sides steel plate (or a side steel plate one side angle steel) tension and with original wall body with split bolt, effect by split bolt, steel plate forms the effect of three dimension stress to its core space body of wall, thereby has formed " L " font combination aseismatic structural column.
The concrete technical scheme of " T " font seismic hardening constructional column is: the body of wall position that constructional column is set in " T " font exterior wall corner, steel tie is implanted in extension to the both sides body of wall, inside and outside both side surface affixing steel plate at " L " font exterior wall position that constructional column is set, weld in steel plate junction in length and breadth, also can paste a slice angle steel in inboard corner, after finishing, affixing steel plate (angle steel) forms closely being connected reliably of " T " font with both sides steel plate (or a side steel plate one side angle steel) tension and with original wall body with split bolt, effect by split bolt, steel plate forms the effect of three dimension stress to its core space body of wall, thereby has formed " T " font combination aseismatic structural column.
The concrete technical scheme of " ten " font seismic hardening constructional column is: the body of wall position that constructional column must be set in " T " font exterior wall corner, steel tie is implanted in extension to the both sides body of wall, inside and outside both side surface affixing steel plate at " ten " font exterior wall position that constructional column is set, weld in steel plate junction in length and breadth, also can respectively paste a slice angle steel in inboard corner, after finishing, affixing steel plate (angle steel) forms closely being connected reliably of " ten " font with both sides steel plate (angle steel) tension and with original wall body with split bolt, effect by split bolt, steel plate (angle steel) forms the effect of three dimension stress to its core space body of wall, thereby has formed " ten " font combination aseismatic structural column.
The invention has the beneficial effects as follows: on the basis of not destroying original structure, constitute firm globality structure, reach the purpose that strengthens shock resistance with steel plate, angle steel, split bolt, steel tie and original body of wall.
The present invention compares with traditional seismic hardening constructional column, has the following advantages:
1, safety: this kind way is not destroyed body of wall, and it mainly is at peripheral affixing steel plate of original wall body or angle steel, can not produce body of wall and damage, to the different body of wall of original intensity safe and applicable all.
2, good integrity: form firm cuff by the outside steel plate of body of wall or angle steel and bolt, its good integrity has overcome again the bad deadly defect of globality in the traditional method of fluid concrete constructional column.
3, easy construction, cost are low: the present invention does not need template support, and the work progress of master operation bar planting, affixing steel plate, bolt anchoring etc. is all simpler, and realizes easily.
4, save the duration greatly: anchoring from the cleaning wall face to split bolt, work progress is all linked with one another, and construction process is smooth and easy, with respect to the reinforcement means of the concreting of the traditional a large amount of technology intermission of needs time, shorten the duration greatly, embodied better economic benefit.
5, can really guarantee " restoring the old as the old ": the present invention has well protected the facade of building to almost not influence of metope, can not have influence on the image appearance of building, is particularly useful for the historical protective buildings that opposite is had relatively high expectations.To common buildings, also better suited the esthetic requirement of people to architectural appearance.
Description of drawings
Fig. 1 is the present invention " " shape body of wall seismic hardening constructional column schematic diagram;
Fig. 2 is that the present invention " L " shape exterior wall corner seismic hardening constructional column is provided with schematic diagram;
Fig. 3 is provided with schematic diagram for the "T"-shaped interior exterior wall intersection of the present invention seismic hardening constructional column;
Fig. 4 is that the present invention " ten " shape interior wall intersection seismic hardening constructional column is provided with schematic diagram.
Among above-mentioned four figure: 1. body of wall 3. steel ties 4. steel plates 5. angle steel 6. split bolts around body of wall 2. constructional columns at constructional column position need be set
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment is described further:
Fig. 1 is " one " font seismic hardening constructional column: this aseismatic structural column generally is located in the elongated body of wall, and the width of constructional column is identical with the body of wall width, and length is not less than 200mm.Concrete method to set up is: the body of wall 1 that the constructional column position at first is set in " one " font wall, body of wall is implanted steel tie 3 by the structure requirement around the extension of both sides body of wall is constructional column, above-mentioned steel tie 3 is elongated, be not less than 500mm from the constructional column edge to the both sides development length, the diameter of steel tie 3 is not less than 6mm, steel tie 3 ends should be provided with 90 ° crotch, and crotch length is not less than 20d (d is the steel tie diameter).Then at two side external surface affixing steel plates 4 of the body of wall 1 that the constructional column position is set, steel plate 4 thickness generally are not less than 4mm, the width of steel plate 4 is not less than 300mm, and should get hole along the longitudinal direction on both sides so that split bolt 6 is installed, the diameter in hole determines that according to the size of split bolt 6 the hole longitudinal pitch is not more than 500mm.After affixing steel plate 4 is finished, form with both sides steel plate tension and with original wall body and closely be connected reliably with split bolt 6, the diameter of above-mentioned split bolt 6 is not less than 12mm, effect by split bolt, steel plate forms the effect of three dimension stress to its core space body of wall, thereby has formed " one " font combination aseismatic structural column.
Fig. 2 is " L " font seismic hardening constructional column.This aseismatic structural column generally is located at body of wall in length and breadth and is the position that " L " font intersects, and the width of constructional column is identical with the body of wall width, and length is not less than 200mm.Concrete method to set up is: the body of wall 1 that the constructional column position at first is set in " L " font exterior wall corner, body of wall is implanted steel tie 3 by the structure requirement around the extension of both sides body of wall is constructional column, above-mentioned steel tie 3 is not less than 500mm from the constructional column edge to the both sides development length, the diameter of steel tie is not less than 6mm, wall outer side steel tie end should be provided with 90 ° crotch, crotch length is not less than 20d (d is the steel tie diameter), the steel tie of body of wall inboard is at the crotch that should be provided with 90 ° away from the constructional column end, it requires the same, near the structure styletable 135 ° crotch should be set, crotch stretches into body of wall length and is not less than 20d (d is the steel tie diameter).Then at the inside and outside both side surface affixing steel plate 4 at " L " font exterior wall position that constructional column is set, steel plate thickness generally is not less than 4mm, the width of outside steel plate is not less than 350mm, and should get the cavity along the longitudinal direction on both sides so that split bolt 6 is installed, inboard steel plate is not less than 50mm, weld in steel plate 4 junctions in length and breadth, also can adopt a slice angle steel 5 in inboard corner.After finishing, affixing steel plate 4 (angle steel 5) forms closely being connected reliably of " L " font with both sides steel plate 4 (or a side steel plate one side angle steel) tension and with original wall body with split bolt 6, effect by split bolt, steel plate forms the effect of three dimension stress to its core space body of wall, thereby has formed " L " font combination aseismatic structural column.
Fig. 3 is " T " font seismic hardening constructional column.This aseismatic structural column generally is located at body of wall in length and breadth and is the position that " T " font intersects, and the width of constructional column is identical with the body of wall width, and length is not less than 200mm.Concrete method to set up is: the body of wall 1 that the constructional column position at first is set in " T " font exterior wall corner, body of wall 2 is implanted steel tie 3 by the structure requirement around the extension of both sides body of wall is constructional column, above-mentioned steel tie 3 is not less than 500mm from the constructional column edge to the both sides development length, the diameter of reinforcing bar is not less than 6mm, wall outer side steel tie end should be provided with 90 ° crotch, crotch length is not less than 20d (d is the steel tie diameter), the steel tie of body of wall inboard is at the crotch that should be provided with 90 ° away from the constructional column end, it requires the same, near the structure styletable 135 ° crotch should be set, crotch stretches into body of wall length and is not less than 20d (d is the steel tie diameter).Then at the inside and outside both side surface affixing steel plate 4 at " L " font exterior wall position that constructional column is set, steel plate thickness generally is not less than 4mm, the width of outside steel plate is not less than 350mm, and should get the cavity along the longitudinal direction on both sides so that split bolt 6 is installed, inboard steel plate is not less than 50mm, weld reliably in steel plate junction in length and breadth, also can paste a slice angle steel 5 in inboard corner, the model of angle steel is not less than L50*50*4.After finishing, affixing steel plate 4 (angle steel 5) forms closely being connected reliably of " T " font with both sides steel plate 4 (or a side steel plate one side angle steel) tension and with original wall body with split bolt 6, effect by split bolt, steel plate forms the effect of three dimension stress to its core space body of wall, thereby has formed " T " font combination aseismatic structural column.
Fig. 4 is " ten " font seismic hardening constructional column.This aseismatic structural column generally is located at body of wall in length and breadth and is the position that " ten " font intersects, and the width of constructional column is identical with the body of wall width, and length is not less than 200mm.Concrete method to set up is: the body of wall 1 that the constructional column position at first is set in " T " font exterior wall corner, body of wall is implanted steel tie 3 by the structure requirement around the extension of both sides body of wall is constructional column, above-mentioned steel tie 3 is not less than 500mm from the constructional column edge to the both sides development length, the diameter of reinforcing bar is not less than 6mm, steel tie 3 is at the crotch that should be provided with 90 ° away from the constructional column end, it requires the same, near the structure styletable 135 ° crotch should be set, crotch stretches into body of wall length and is not less than 20d (d is steel tie 3 diameters).At the inside and outside both side surface affixing steel plate 4 at " ten " font exterior wall position that constructional column is set, steel plate thickness generally is not less than 4mm then, and steel plate is not less than 50mm, should weld in steel plate 4 junctions in length and breadth, also can paste a slice angle steel 5 in inboard corner.After finishing, affixing steel plate 4 (angle steel 5) forms closely being connected reliably of " ten " font with both sides steel plate 4 (angle steel) tension and with original wall body with split bolt 6, effect by split bolt 6, steel plate forms the effect of three dimension stress to its core space body of wall, thereby has formed " ten " font combination aseismatic structural column.
Claims (6)
1. novel seismic hardening constructional column of masonry structure, it is characterized in that: described constructional column is to be formed by unit constructions such as original structure body of wall and steel plate, angle steel, split bolt, steel ties, be to wale the original structure body of wall in original structure body of wall both sides external by steel plate (angle steel) and split bolt cover to form the composite construction post, composite construction post and peripheral body of wall inter-planting are gone into steel tie.
2. novel seismic hardening constructional column of masonry structure according to claim 1 is characterized in that: described constructional column can have " one " font, " L " font, " T " font, " ten " font.
3. novel seismic hardening constructional column of masonry structure according to claim 2, it is characterized in that: described " one " font seismic hardening constructional column is located in the elongated body of wall, the body of wall position of set constructional column and implant steel tie to the extension of both sides body of wall, two side external surface affixing steel plates at the body of wall position that constructional column is set form with both sides steel plate tension and with original wall body with split bolt and closely to be connected reliably.
4. novel seismic hardening constructional column of masonry structure according to claim 2, it is characterized in that: in described " L " font seismic hardening constructional column is located in length and breadth that body of wall is " L " the body of wall that font intersects, at L " font exterior wall corner is provided with the body of wall position of constructional column and implants steel tie to the extension of both sides body of wall; the inside and outside both side surface affixing steel plate at " L " font exterior wall position that constructional column is set; weld in steel plate junction in length and breadth; also can paste a slice angle steel in inboard corner, with split bolt with both sides steel plate (or a side steel plate one side angle steel) tension and and original wall body form the reliable of " L " font and closely being connected.
5. novel seismic hardening constructional column of masonry structure according to claim 2, it is characterized in that: the constructional column font intersection area of being located in length and breadth that body of wall is " T " built in described " T " font, implant steel tie at the body of wall position of the set constructional column in " T " font exterior wall corner and to the extension of both sides body of wall, inside and outside both side surface affixing steel plate at " L " font exterior wall position that constructional column is set, weld in steel plate junction in length and breadth, paste a slice angle steel in inboard corner, also can form closely being connected reliably of " T " font with both sides steel plate (or a side steel plate one side angle steel) tension and with original wall body with split bolt.
6. novel seismic hardening constructional column of masonry structure according to claim 2, it is characterized in that: the constructional column font intersection area of being located in length and breadth that body of wall is " ten " built in described " ten " font, implant steel tie at the body of wall position of the set constructional column in " T " font exterior wall corner and to the extension of both sides body of wall, inside and outside both side surface affixing steel plate at " ten " font exterior wall position that constructional column is set, weld in steel plate junction in length and breadth, also can respectively paste a slice angle steel, form closely being connected reliably of " ten " font with both sides steel plate (angle steel) tension and with original wall body with split bolt in inboard corner.
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| CN102587537A (en) * | 2012-02-21 | 2012-07-18 | 北京工业大学 | L-shaped steel screen composite mortar light weight hollow wall structure with embedded columns |
| CN102587537B (en) * | 2012-02-21 | 2014-08-20 | 北京工业大学 | L-shaped steel screen composite mortar light weight hollow wall structure with embedded columns |
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| 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 |
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| CN105113717B (en) * | 2015-08-24 | 2017-11-24 | 河海大学 | Interior truss type steel tube concrete L-shaped post and its construction method |
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Open date: 20101013 |