CN103924793B - Old house reinforcement structure and reinforcement means thereof - Google Patents

Old house reinforcement structure and reinforcement means thereof Download PDF

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Publication number
CN103924793B
CN103924793B CN201410190614.0A CN201410190614A CN103924793B CN 103924793 B CN103924793 B CN 103924793B CN 201410190614 A CN201410190614 A CN 201410190614A CN 103924793 B CN103924793 B CN 103924793B
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tie beam
collar tie
newly
steel plate
section steel
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CN103924793A (en
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董有
万兆
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Kaisheng Construction Co., Ltd
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BEIJING BLESS BUILDING Co Ltd
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Abstract

The present invention relates to a kind of old house reinforcement structure and reinforcement means thereof, belong to seismic hardening technical field. Comprise former collar tie beam, former floor and original structure post, also comprise that newly-increased channel-section steel, anchor bar, new growth square steel plate, new growth band steel plate support and billet; Newly-increased channel-section steel is arranged at former collar tie beam both sides, in former collar tie beam, be provided with boring, be equipped with anchor bar in boring, the two ends of anchor bar are connected with the newly-increased channel-section steel of both sides respectively, former collar tie beam bottom is provided with new growth square steel plate, described new growth square steel plate and the welding of newly-increased channel-section steel lower edge contact portion; Ground or flooring are embedded with billet near original structure post position, be welded with new growth band steel plate and support between billet and top new growth square steel plate, and described new growth band steel plate supports together with original structure post secure bond. The present invention has ensured the firm and safety of old house wall improvement project, solved old old factory rehabilitation Central Plains layout of houses not rationally, the poor problem of anti-seismic performance.

Description

Old house reinforcement structure and reinforcement means thereof
Technical field
The present invention relates to a kind of old house reinforcement structure and reinforcement means thereof, belong to seismic hardening technical field.
Background technology
In Old City Urban renewal, the old brick mix structure internal interval of part is reasonable not, makes resident family have transformation body of wall layoutNeeds. Common wall reconstruction is in order to increase space, need to destroy a part of metope structure, the inner cross wall in old house acrossDegree is little, can in the situation that taking reinforcement measure, carry out wall reconstruction to a certain degree. In order to ensure reconstruction or improvement projectSecurity, can increase in body of wall to be transformed both sides shaped steel and dowel reinforcement measure, and beam end increase corresponding anchoring andStrutting means, can ensure new and old structure acting in conjunction, obtains good consolidation effect. The method construction is easy, and qualityGuaranteed, can obtain good technical economic benefit.
Summary of the invention
Based on the problems referred to above, in order the old house in old urban area to be carried out to strengthening reconstruction and rationally to utilize, the present invention proposes a kind of oldOld house reinforcement structure and reinforcement means thereof, with solve old old factory rehabilitation Central Plains layout of houses not rationally, anti-seismic performance is poorProblem.
To achieve these goals, the present invention has taked following technical scheme:
A kind of old house reinforcement structure, comprises former collar tie beam, former floor and original structure post, also comprises newly-increased channel-section steel, anchoring steelMuscle, new growth square steel plate, new growth band steel plate support and billet; Described newly-increased channel-section steel is arranged at former collar tie beam both sides, newly-increasedChannel-section steel upper limb props up former soffit, and described newly-increased channel-section steel lower edge flushes with former collar tie beam bottom surface or stretches out former collar tie beam bottom surface, increases groove newlySteel exceedes original structure post edge and is close to original structure post along former collar tie beam two ends; In former collar tie beam, be provided with boring, in boring, be equipped with anchorGu reinforcing bar, the two ends of anchor bar are connected with the newly-increased channel-section steel of both sides respectively, and newly-increased channel-section steel connects by anchor bar and former collar tie beamConnect; Former collar tie beam bottom is provided with new growth square steel plate, described new growth square steel plate and the welding of newly-increased channel-section steel lower edge contact portion; GroundFace or flooring are embedded with billet near original structure post position, are welded with new growth flat between billet and top new growth square steel plateSteel plate supports, and described new growth band steel plate supports together with original structure post secure bond.
Further, between described new growth square steel plate and former collar tie beam contact-making surface, scribble binding agent.
Further, in the boring of described anchor bar, be perfused with binding agent.
Further, between described newly-increased channel-section steel and former collar tie beam, be coated with binding agent.
Further, described new growth band steel plate supports between original structure post and is coated with binding agent.
Further, described bore diameter is 15mm, and anchor bar diameter is 12mm.
Further, described newly-increased channel-section steel is 16# channel-section steel.
Further, described new growth side steel plate width is to increase 10mm on former collar tie beam width basis.
Further, described anchor bar is equidistantly arranged along former collar tie beam or newly-increased channel-section steel.
The reinforcement means of above-mentioned old house reinforcement structure, concrete steps are as follows:
Step 1, picks after the former collar tie beam surface plastering layer of cutter, is delimiting position boring, the former collar tie beam both side surface of leveling of plastering;
Step 2, makes newly-increased channel-section steel in advance, then according to bore position on former collar tie beam, on-the-spot at newly-increased channel-section steel correspondence position pictureLine boring, and ensure that newly-increased channel-section steel two ends exceed original structure post edge;
Step 3, smears macromolecule resin binding agent in former collar tie beam outside, in former collar tie beam both sides, newly-increased channel-section steel is installed simultaneously, boringAfter alignment, anchor bar is inserted in boring, both sides adopt bolt tightening, and adopt macromolecule resin binding agent perfusion boring;
Step 4, at position, newly-increased channel-section steel middle part to the hole that a upper and lower perforation is set in the original wall body between ground, andIn hole, take temporary supporting measure to support former collar tie beam and newly-increased channel-section steel, then continue on the original wall body to be removed of former collar tie beam bottomThe expansion that punches, until remove the whole original wall bodies in the framework that former collar tie beam and original structure post surround;
Step 5, removes position and ground or flooring junction, imbeds billet near the position of original structure post at original wall body, protectsHold billet level and be reliably connected with ground or flooring. Afterwards by the floating and maintenance of original wall body position surrounding after removing to specificationRequirement, and ensure that floating of former collar tie beam bottom is concordant with newly-increased channel-section steel lower edge;
Step 6, spreads macromolecule resin binding agent in former collar tie beam bottom, and former collar tie beam bottom new growth square steel plate is installed, and will increase newlyClosely paste rectangular steel plate and former collar tie beam bottom, and new growth square steel plate and newly-increased channel-section steel lower edge contact portion are firmly welded;
Step 7, supports new growth band steel plate to embed between new growth square steel plate and billet, and new growth band steel plate supports with newGrowth square steel plate and the welding of billet contact site are solid, and new growth band steel plate supports and original structure post contact portion, pours into highMolecule resinoid bond secure bond;
Step 8, removes the temporary supporting measure in step 4;
Step 9, carries out antiseptic and rustproof processing to exposed steel member.
Wherein, each engineer operation all should be by designing requirement and relevant specification construction.
Beneficial effect: the present invention supports and anchor bar carrying by newly-increased channel-section steel, new growth square steel plate, new growth band steel plateThe former collar tie beam in original wall body top and upper strata floor; New and old structure is closely connected by anchor measure in former collar tie beam both sides, ensuredRemove after body of wall structure and can not be out of shape excessively, newly-increased reinforcement measure has met the requirement of antidetonation and bearing capacity, has increased old house,Especially the inner space utilization rate of brick masonry structure building.
The present invention is simple in structure, and power transmission is clear and definite, and easy construction is quick, realizes larger economic benefit and is easy to less costAccepted by user.
Brief description of the drawings
Fig. 1 is newly-increased channel-section steel layout and anchor bar connection diagram.
Fig. 2 is that new growth square steel plate is arranged and connection diagram.
Fig. 3 is new growth band steel plate support arrangement and connection diagram.
Reference numeral: 1: former collar tie beam; 2: original wall body; 3: original structure post; 4: newly-increased channel-section steel; 5: anchor bar; 6: newIncrease square steel plate; 7: new growth band steel plate supports; 8: billet.
Detailed description of the invention
Below in conjunction with elaborating as Fig. 1-3 couple the present invention.
As Figure 1-3, the old house reinforcement structure of one of the present invention, comprise former collar tie beam 1, former floor, original structure post 3,Newly-increased channel-section steel 4, anchor bar 5, new growth square steel plate 6, the support 7 of new growth band steel plate and billet 8. Newly-increased channel-section steel 4Be arranged at former collar tie beam 1 both sides, newly-increased channel-section steel 4 is 16# channel-section steel, and length is 4m, and newly-increased channel-section steel 4 upper limbs prop up former soffit,Newly-increased channel-section steel 4 lower edges flush with former collar tie beam 1 bottom surface or stretch out former collar tie beam 1 bottom surface, and newly-increased channel-section steel 4 exceedes along former collar tie beam 1 two endsOriginal structure post 3 is also close in original structure post 3 edges. In former collar tie beam 1, be provided with φ 15mm boring, in boring, be equipped with φ 12mmAnchor bar 5, the two ends of anchor bar 5 are connected with the newly-increased channel-section steel 4 of both sides respectively, and newly-increased channel-section steel 4 is by anchor bar 5Be connected with former collar tie beam 1; Former collar tie beam 1 bottom is provided with new growth square steel plate 6, new growth square steel plate 6 and newly-increased channel-section steel 4 lower edgesContact portion welding; Ground or flooring are embedded with billet 8 near original structure post 3 positions, and billet 8 is newly-increased rectangular with topBetween steel plate 6, be welded with new growth band steel plate and support 7, new growth band steel plate supports 7 together with original structure post 3 secure bond.Wherein, between described new growth square steel plate 6 and former collar tie beam 1 contact-making surface, between newly-increased channel-section steel 4 and former collar tie beam 1, new growth is flatBetween steel plate support 7 and original structure post 3, all scribble binding agent, in the boring of anchor bar 5, be perfused with binding agent. Newly-increased rectangularSteel plate 6 width are to increase 10mm on former collar tie beam 1 width basis, and anchor bar 5 is equidistant along former collar tie beam 1 or newly-increased channel-section steel 4Arrange, suitably encrypt its end.
Concrete reinforcement means is:
Step 1, picks after the former collar tie beam 1 surface plastering layer of cutter, is delimiting position boring, former collar tie beam 1 both side surface of leveling of plastering;
Step 2, makes newly-increased channel-section steel 4 in advance, then according to bore position on former collar tie beam 1, on-the-spot in newly-increased channel-section steel 4 correspondencesPosition setting-out boring, and ensure that newly-increased channel-section steel 4 two ends exceed original structure post 3 edges;
Step 3, smears macromolecule resin binding agent in former collar tie beam 1 outside, and newly-increased channel-section steel 4 is installed in former collar tie beam 1 both sides simultaneously,After boring alignment, anchor bar 5 is inserted in boring, both sides adopt bolt tightening, and adopt the perfusion of macromolecule resin binding agent to boreHole;
Step 4, at newly-increased channel-section steel 4 positions, middle part to the hole that a upper and lower perforation is set in the original wall body 2 between ground,And in hole, take temporary supporting measure to support former collar tie beam 1 and newly-increased channel-section steel 4, then continue to wait to remove in former collar tie beam 1 bottomOriginal wall body 2 on the expansion that punches, until remove the whole original wall bodies 2 in the framework that former collar tie beam 1 and original structure post 3 surround;
Step 5, removes position and ground or flooring junction, imbeds billet 8 near the position of original structure post 3 at original wall body,Keep billet 8 levels and be reliably connected with ground or flooring. Afterwards by floating the original wall body 2 position surroundings after removing and maintenanceTo code requirement, and ensure that floating of former collar tie beam 1 bottom is concordant with newly-increased channel-section steel 4 lower edges;
Step 6, spreads macromolecule resin binding agent in former collar tie beam 1 bottom, and former collar tie beam 1 bottom new growth square steel plate 6 is installed,New growth square steel plate 6 and former collar tie beam 1 bottom are closely pasted, and by new growth square steel plate 6 and newly-increased channel-section steel 4 lower edge contact sitesDivide firmly welding;
Step 7, supports 7 by new growth band steel plate and embeds between new growth square steel plate 6 and billet 8, and new growth band steel plate props upSupport 7 is solid with new growth square steel plate 6 and billet 8 contact site welding, the support 7 of new growth band steel plate and original structure post 3Contact portion, perfusion macromolecule resin binding agent secure bond;
Step 8, removes the temporary supporting measure in step 4;
Step 9, carries out antiseptic and rustproof processing to exposed steel member.
Be more than an exemplary embodiments of the present invention, enforcement of the present invention is not limited to this.

Claims (8)

1. an old house reinforcement structure, comprises former collar tie beam (1), former floor and original structure post (3),It is characterized in that: also comprise newly-increased channel-section steel (4), anchor bar (5), new growth square steel plate (6), newly-increasedLong band steel plate supports (7) and billet (8);
Described newly-increased channel-section steel (4) is arranged at former collar tie beam (1) both sides, and newly-increased channel-section steel (4) upper limb props up former buildingPlate bottom surface, described newly-increased channel-section steel (4) lower edge flushes or stretches out at former collar tie beam (1) end with former collar tie beam (1) bottom surfaceFace, newly-increased channel-section steel (4) exceedes original structure post (3) edge and is close to original structure post along former collar tie beam (1) two ends(3);
Former collar tie beam is provided with boring in (1), is equipped with anchor bar (5) in boring, anchor bar (5)Two ends be connected with the newly-increased channel-section steel (4) of both sides respectively, newly-increased channel-section steel (4) is by anchor bar (5)Be connected with former collar tie beam (1);
Former collar tie beam (1) bottom is provided with new growth square steel plate (6), and described new growth square steel plate (6) is with newIncrease the welding of channel-section steel (4) lower edge contact portion;
Ground or flooring are embedded with billet (8) near original structure post (3) position, and billet (8) is with upperBetween portion's new growth square steel plate (6), be welded with new growth band steel plate and support (7), described new growth band steel plate props upSupport (7) is together with original structure post (3) secure bond;
Between described new growth square steel plate (6) and former collar tie beam (1) contact-making surface, scribble binding agent;
In the boring of described anchor bar (5), be perfused with binding agent.
2. old house reinforcement structure according to claim 1, is characterized in that: described newly-increased channel-section steel(4) and between former collar tie beam (1) be coated with binding agent.
3. old house reinforcement structure according to claim 1, is characterized in that: described new growth is flatSteel plate supports between (7) and original structure post (3) and is coated with binding agent.
4. old house reinforcement structure according to claim 1, is characterized in that: described bore diameterFor 15mm, anchor bar (5) diameter is 12mm.
5. old house reinforcement structure according to claim 1, is characterized in that: described newly-increased channel-section steel(4) be 16# channel-section steel.
6. old house reinforcement structure according to claim 1, is characterized in that: described newly-increased rectangularSteel plate (6) width is to increase 10mm on former collar tie beam (1) width basis.
7. old house reinforcement structure according to claim 1, is characterized in that: described anchor bar(5) equidistantly arrange along former collar tie beam (1) or newly-increased channel-section steel (4).
8. according to a reinforcement means for old house reinforcement structure described in claim 1-7 any one, its spyLevy and be: concrete steps are as follows:
Step 1, picks after cutter former collar tie beam (1) surface plastering layer, is delimiting position boring, the former circle of leveling of plasteringBeam (1) both side surface;
Step 2, makes newly-increased channel-section steel (4) in advance, then according to the upper bore position of former collar tie beam (1), sceneIn newly-increased channel-section steel (4) correspondence position setting-out boring, and ensure that newly-increased channel-section steel (4) two ends exceed original structure post(3) edge;
Step 3, smears macromolecule resin binding agent in former collar tie beam (1) outside, in former collar tie beam (1) both sidesNewly-increased channel-section steel (4) is installed simultaneously, after boring alignment, anchor bar (5) is inserted in boring, both sides adopt spiral shellBolt is tightened, and adopts macromolecule resin binding agent perfusion boring;
Step 4 arranges one at position, newly-increased channel-section steel (4) middle part in the original wall body between ground (2)The hole of upper and lower perforation, and in hole, take temporary supporting measure to support former collar tie beam (1) and newly-increased channel-section steel(4), then continue the expansion that punches on the original wall body (2) to be removed of former collar tie beam (1) bottom, until tear openWhole original wall bodies (2) in the framework surrounding except former collar tie beam (1) and original structure post (3);
Step 5, the portion of removing position and ground or flooring junction, close original structure post (3) at original wall bodyBillet (8) is imbedded in position, keeps billet (8) level and is reliably connected with ground or flooring, will tear open afterwardsFloating and the maintenance of original wall body (2) position surrounding after removing is to code requirement, and ensures former collar tie beam (1) bottomFloating concordant with newly-increased channel-section steel (4) lower edge;
Step 6, spreads macromolecule resin binding agent in former collar tie beam (1) bottom, and former collar tie beam (1) end is installedPortion's new growth square steel plate (6), closely pastes new growth square steel plate (6) and former collar tie beam (1) bottom, andNew growth square steel plate (6) and newly-increased channel-section steel (4) lower edge contact portion are firmly welded;
Step 7, supports (7) by new growth band steel plate and embeds new growth square steel plate (6) and billet (8)Between, new growth band steel plate supports (7) and new growth square steel plate (6) and billet (8) contact siteWeld solidly, new growth band steel plate supports (7) and original structure post (3) contact portion, perfusion high score subtreeFat binding agent secure bond;
Step 8, removes the temporary supporting measure in step 4;
Step 9, carries out antiseptic and rustproof processing to exposed steel member.
CN201410190614.0A 2014-05-06 2014-05-06 Old house reinforcement structure and reinforcement means thereof Active CN103924793B (en)

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CN108518079B (en) * 2016-11-10 2020-02-21 叶香菲 Method for reinforcing high-altitude brick-concrete house
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CN109958294A (en) * 2019-04-15 2019-07-02 中国建筑第四工程局有限公司 A kind of assembled anti-knock ruggedized construction of brick mix structure wall
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CN114293805A (en) * 2021-12-27 2022-04-08 上海建工二建集团有限公司 Underpinning structure and method for opening bearing wall
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