CN102943572A - Single-floor masonry residential building steel-frame canopy guard structure and construction method thereof - Google Patents

Single-floor masonry residential building steel-frame canopy guard structure and construction method thereof Download PDF

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Publication number
CN102943572A
CN102943572A CN2012104686232A CN201210468623A CN102943572A CN 102943572 A CN102943572 A CN 102943572A CN 2012104686232 A CN2012104686232 A CN 2012104686232A CN 201210468623 A CN201210468623 A CN 201210468623A CN 102943572 A CN102943572 A CN 102943572A
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China
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add
girder steel
steel
former
vertical
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CN2012104686232A
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Chinese (zh)
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CN102943572B (en
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董有
鞠树森
谢建明
甄进平
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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 single-floor masonry residential building steel-frame canopy guard structure and a construction method thereof. A single-floor masonry residential building is provided with an original roof truss, the bottom surface of the original roof truss is provided with a reinforced steel frame, the reinforced steel frame consists of at least two external transverse steel beams, two external longitudinal steel beams, four external steel columns and an external foundation, the external longitudinal steel beams are arranged on the inner side of an original longitudinal wall, the external transverse steel beams are arranged on the outer side of an original gable wall, the end part of each external longitudinal steel beam is lapped on and fixedly connected with the external transverse steel beam to collectively form a contour which is identical to the plane shape of the original structure, the external steel columns are closely attached to the original gable wall or the original longitudinal wall, the top end of the external steel column is supported on the end part of the external transverse steel beam, and the bottom end of the external steel column is supported on the external foundation. Due to the adoption of the single-floor masonry residential building steel-frame canopy guard structure, under the situation that the application function of the original structure is not influenced, the anti-seismic performance is improved, good economic benefit and social benefit can be realized, the single-floor masonry residential building steel-frame canopy guard structure can be widely used for reinforcing the masonry residential building structure and particularly for reinforcing a stone house or a brick house which does not have the supporting column.

Description

Individual layer masonry residence steelframe protects roof construction and job practices thereof
Technical field
The present invention relates to a kind of old building ruggedized construction and job practices thereof of building field, particularly a kind of individual layer masonry residence ruggedized construction and job practices thereof.
Background technology
On September 7th, 2012,5.7 grades of earthquakes occur in the Yiliang, Yunnan, and between house collapse more than 30,000, the direct economic loss that disaster causes is about 37 hundred million yuans, and current disaster exposes incisively and vividly the anti-seismic performance of Chinese countryside local-style dwelling houses weakness.The Yiliang earthquake makes us see large department private residence Total Collapse.The reason of Total Collapse has the following aspects
1, the material of raw-soil structure house collapses in a large number: the compactness of cob wall own is not enough, water resistant straight snips shear force is very low between the soil body, will cause when slight earthquake and collapse, and roof truss directly is supported on the cob wall body in addition, insulated column is not set supports, cause roof truss to break away from support when body of wall collapses and collapse.The material of raw-soil structure house is the private residence of shock resistance extreme difference, also is the maximum private residence of this Yiliang earthquake collapse.
2, building-block house: hollow block wall does not arrange stem stem and strip, and body of wall fails to form whole, vertical and horizontal mortar joint bond area wretched insufficiency between block, and adopt the very low lime putty of intensity, the earthquake horizontal force causes the body of wall Total Collapse.The roof beam purlin is the lower hollow bamboo of rigidity, connects simply between the rod member, and level is rocked and caused the roof to fall apart during earthquake, Total Collapse.
3, vibration proof hollow blockwork floor slab structure house not: any seismic measures is not taked in this class house, without collar tie beam, constructional column, and the empty bucket of single-skin drum brick wall, vertical pressure-bearing and horizontal anti-seismic ability extreme difference, most of house collapses in this secondary earthquake.
4, antidetonation brick wall roof structure not, Total Collapse is serious, brick wall masonry mortar intensity is low, without collar tie beam, constructional column seismic measures, cause body of wall shear resistance wretched insufficiency, occurred level shear failure during earthquake, most of brick wall roof adopts hard mountain to put the purlin form, without the independent support post, when body of wall collapsed, the roof is slump thereupon.
In addition, Yushu district, Qinghai and Wenchuan earthquake are higher than Yiliang earthquake magnitude, and private residence collapses even more serious, and any is arranged is common, and the poor regional private residence antidetonation of economic condition is the weakest.China is the country that earthquake takes place frequently, and China is large agricultural country.Living in rural population is 6.7 hundred million people, accounts for 50.32% of national population.The population below the poverty line 1.5 hundred million people wherein, this part people's dwelling house major part can not be resisted earthquake more than 5 grades, wherein immature soil room, simple and easy barnacle body room, empty bucket brick house, simple and easy brick house even can not resist 3 grades of earthquakes.During grange generation earthquake, most of take the roof Total Collapse as the main situation of destroying, cause huge casualties.In three secondary earthquakes of China since Wenchuan earthquake, huge casualties and property loss have been caused, so the private residence seismic hardening is very urgent.
Summary of the invention
Under the condition that allows in economy, whole body reconstruction not, can at utmost improve the existing stone in outlying district or brick house earthquake-resistance of housing performance, avoid again occurring causing the tragedy of larger personnel and property loss again to occur than small earthquake, the present invention proposes a kind of individual layer masonry residence steelframe and protect roof construction and job practices thereof, add steelframe by integral body is set, the roof load of original structure is all born by adding steelframe, improved bearing capacity and the shock resistance of structure.
To achieve these goals, the present invention has taked following technical scheme:
A kind of individual layer masonry residence steelframe protects roof construction, described individual layer masonry residence is provided with former roof truss, in the bottom surface of former roof truss the reinforcing steelframe is installed, described reinforcing steelframe adds horizontal girder steel by at least two, two add vertical girder steel and four and add steel column and add the basis and form, describedly add vertical girder steel in former vertical within the walls side, describedly add horizontal girder steel and be arranged on the former gable outside, described vertical girder steel end that adds rides over and adds on the horizontal girder steel, both are fixedly connected with, jointly enclose the profile identical with the original structure flat shape, the described steel column that adds is close to former gable or former vertical wall setting, its top support top is adding horizontal girder steel end, and its bottom is supported on and adds on the basis.
Described former roof truss with add horizontal girder steel and add vertical girder steel and all fix by U-shaped hoop.
Described add horizontal girder steel and add the angle that forms between the steel column diagonal brace is set.
Described former gable inside top has mounting groove, described adding in the horizontal girder steel embedding mounting groove.
Described former vertical wall top outer has mounting groove, described adding in the horizontal girder steel embedding mounting groove.
The job practices that described individual layer masonry residence steelframe protects roof construction, step is as follows:
Step 1 according to the house standard width of a room in an old-style house, depth, floor height size and roofing shape, is determined to add horizontal girder steel, adds vertical girder steel and is added the length of steel column;
Step 2 according to the house standard width of a room in an old-style house, depth, floor height size and roofing shape, is determined to add horizontal girder steel, adds vertical girder steel and is added the installation site of steel column, and constructs in advance according to the installation site that adds steel column and to add the basis;
Step 3 is opened mounting groove on the top, four corners of former gable and former vertical wall;
Step 4 is opened the installation of mounting groove position at former gable and is added horizontal girder steel;
Step 5 is opened the installation of mounting groove position at former vertical wall and is added vertical girder steel;
Step 6 is adjusted the position add horizontal girder steel and to add vertical girder steel, makes to add vertical girder steel and ride over and add on the horizontal girder steel, and both are connected, and will add simultaneously vertical girder steel and be fixedly connected with former roof truss;
Step 7 will add steel column and be installed in and add horizontal girder steel and add between the basis, and will add steel column and add between the horizontal girder steel by jack, add horizontal girder steel and will add between vertical girder steel, and add between vertical girder steel and the former roof truss and hold out against;
Step 8 waits the roofing whole load to be born by steelframe, is fixedly connected with to add steel column and add horizontal girder steel, and will adds steel column bottom and add the basis and be fixedly connected with.
Beneficial effect
The present invention adds horizontal girder steel, two by at least two and adds vertical girder steel and link together, and adds steel column and is connected with at least four again, forms the steelframe support system.Make the load of former roof truss all effectively pass to new steelframe, steelframe is given the basis by steel column with Load Transfer, by such processing, has changed the force transfer system of former building structure, and original wall body becomes enclosure wall by load bearing wall.When earthquake was arrived, because steel work has preferably ductility, the roof was unlikely to moment and collapses, and on the other hand, because body of wall does not bear the load on roof, the probability that the whole face of body of wall collapses is also smaller, and this just makes the people that sufficient escape time is arranged.
Ruggedized construction of the present invention, simple in structure, power transmission is clear and definite, does not destroy the globality of original structure, and construction period do not affect the use function of original structure, realize larger economic and social benefit with less cost.
Description of drawings
Fig. 1 is original structure of the present invention and ruggedized construction schematic diagram.
Fig. 2 is that the present invention adds steel column layout schematic diagram.
Fig. 3 is original structure of the present invention and ruggedized construction side elevational view.
Fig. 4 is for reinforcing the steel frame construction schematic diagram.
Among the figure, 1: add horizontal girder steel; 2: add steel column; 3: add vertical girder steel; 4: former gable; 5: former vertical wall; 6: former roof truss; 7: add the basis; 8:U type hoop; 9: diagonal brace.
The specific embodiment
Shown in Fig. 1-4, a kind of individual layer masonry residence steelframe protects roof construction, described individual layer masonry residence is provided with former roof truss 6, in the bottom surface of former roof truss 6 the reinforcing steelframe is installed, described reinforcing steelframe adds horizontal girder steel 1 by at least two, two add vertical girder steel 3 and four and add steel column 2 and add basis 7 and form, describedly add vertical girder steel 3 in former vertical wall 5 inboards, describedly add horizontal girder steel 1 and be arranged on former gable 4 outsides, described vertical girder steel 3 ends that add ride over and add on the horizontal girder steel 1, both are fixedly connected with, jointly enclose the profile identical with the original structure flat shape, the described steel column 2 that adds is close to former gable 4 or 5 settings of former vertical wall, its top support top is adding horizontal girder steel 1 end, and its bottom is supported on and adds on the basis 7.
Described former roof truss 6 is all fixed by U-shaped hoop 8 with adding horizontal girder steel 1 and add vertical girder steel 3.
Described add horizontal girder steel 1 and add between the steel column 2 angle that forms diagonal brace 9 is set.
Described former gable 4 inside top have mounting groove, described adding in the horizontal girder steel 1 embedding mounting groove.
Described former vertical wall 5 top outer have mounting groove, described adding in the horizontal girder steel 1 embedding mounting groove.
The job practices that described individual layer masonry residence steelframe protects roof construction, step is as follows:
Step 1 according to the house standard width of a room in an old-style house, depth, floor height size and roofing shape, is determined to add horizontal girder steel 1, adds vertical girder steel 3 and is added the length of steel column 2;
Step 2 according to the house standard width of a room in an old-style house, depth, floor height size and roofing shape, is determined to add horizontal girder steel 1, adds vertical girder steel 3 and is added the installation site of steel column 2, and constructs in advance according to the installation site that adds steel column 2 and to add basis 7;
Step 3 is opened mounting groove on the top, four corners of former gable 4 and former vertical wall 5;
Step 4 is opened the installation of mounting groove position at former gable 4 and is added horizontal girder steel 1;
Step 5 is opened the installation of mounting groove position at former vertical wall 5 and is added vertical girder steel 3;
Step 6 is adjusted the position add horizontal girder steel 1 and to add vertical girder steel 3, makes to add vertical girder steel 3 and ride over and add on the horizontal girder steel 1, and both are connected, and will add simultaneously vertical girder steel 3 and be fixedly connected with former roof truss 6;
Step 7, to add steel column 2 be installed in add horizontal girder steel 1 and add the basis 7 between, and will add steel column 2 and add between the horizontal girder steel 1 by jack, add horizontal girder steel 1 and add between vertical girder steel 3, and add between vertical girder steel 3 and the former roof truss 6 and hold out against;
Step 8 waits the roofing whole load to be born by steelframe, is fixedly connected with to add steel column 2 and add horizontal girder steel 1, and will adds steel column 2 bottoms and add basic 7 and be fixedly connected with.
More than be an exemplary embodiments of the present invention, enforcement of the present invention is not limited to this.

Claims (6)

1. an individual layer masonry residence steelframe protects roof construction, described individual layer masonry residence is provided with former roof truss (6), it is characterized in that: install in the bottom surface of former roof truss (6) and reinforce steelframe, described reinforcing steelframe adds horizontal girder steel (1) by at least two, two add vertical girder steel (3) and four and add steel column (2) and add basis (7) and form, the described vertical girder steel (3) that adds is in former vertical wall (5) inboard, the described horizontal girder steel (1) that adds is arranged on former gable (4) outside, described vertical girder steel (3) end that adds rides over and adds on the horizontal girder steel (1), both are fixedly connected with, jointly enclose the profile identical with the original structure flat shape, the described steel column (2) that adds is close to former gable (4) or former vertical wall (5) setting, its top support top is adding horizontal girder steel (1) end, and its bottom is supported on and adds on the basis (7).
2. individual layer masonry residence steelframe according to claim 1 protects roof construction, it is characterized in that: described former roof truss (6) is all fixed by U-shaped hoop (8) with adding horizontal girder steel (1) and add vertical girder steel (3).
3. individual layer masonry residence steelframe according to claim 1 protects roof construction, it is characterized in that: described add horizontal girder steel (1) and add between the steel column (2) angle that forms diagonal brace (9) is set.
4. individual layer masonry residence steelframe according to claim 1 protects roof construction, it is characterized in that: described former gable (4) inside top has mounting groove, and the described horizontal girder steel (1) that adds embeds in the mounting groove.
5. individual layer masonry residence steelframe according to claim 1 protects roof construction, it is characterized in that: described former vertical wall (5) top outer has mounting groove, and the described horizontal girder steel (1) that adds embeds in the mounting groove.
6. the job practices of protecting roof construction to the described individual layer masonry residence of 5 any one steelframe according to claim 1, it is characterized in that: step is as follows:
Step 1 according to the house standard width of a room in an old-style house, depth, floor height size and roofing shape, is determined to add horizontal girder steel (1), adds vertical girder steel (3) and is added the length of steel column (2);
Step 2, according to the house standard width of a room in an old-style house, depth, floor height size and roofing shape, determine to add horizontal girder steel (1), add vertical girder steel (3) and add the installation site of steel column (2), and construct in advance according to the installation site that adds steel column (2) and to add basis (7);
Step 3 is opened mounting groove on the top, four corners of former gable (4) and former vertical wall (5);
Step 4 is opened the installation of mounting groove position at former gable (4) and is added horizontal girder steel (1);
Step 5 is opened the installation of mounting groove position at former vertical wall (5) and is added vertical girder steel (3);
Step 6, adjustment adds horizontal girder steel (1) and adds the position of vertical girder steel (3), make to add vertical girder steel (3) and ride over and add on the horizontal girder steel (1), and both are connected, will add simultaneously vertical girder steel (3) and be fixedly connected with former roof truss (6);
Step 7, to add steel column (2) is installed in and adds horizontal girder steel (1) and add between the basis (7), and will add steel column (2) and add between the horizontal girder steel (1) by jack, add horizontal girder steel (1) and add between vertical girder steel (3), and add between vertical girder steel (3) and the former roof truss (6) and hold out against;
Step 8 waits the roofing whole load to be born by steelframe, is fixedly connected with to add steel column (2) and add horizontal girder steel (1), and will adds steel column (2) bottom and add basis (7) and be fixedly connected with.
CN201210468623.2A 2012-11-15 2012-11-15 Single-floor masonry residential building steel-frame canopy guard structure and construction method thereof CN102943572B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103306497A (en) * 2013-07-02 2013-09-18 北京建工博海建设有限公司 Shock prevention and strengthening construction method for existing brickwork dwelling house fabricated structure
CN103526952A (en) * 2013-10-12 2014-01-22 北京筑福国际工程技术有限责任公司 Adjustable sliding block inclined beam steel frame canopy guard structure for bricked residence and construction method thereof
CN104213717A (en) * 2014-07-10 2014-12-17 上海市建筑科学研究院(集团)有限公司 Integrated reconstruction method for multi-storey residential
CN105888291A (en) * 2016-04-06 2016-08-24 上海十三冶建设有限公司 Connection construction method for new and old factory building roof structures

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JP2815331B2 (en) * 1995-11-13 1998-10-27 株式会社山菱 Reinforcement structure of wooden building
CN102003080A (en) * 2010-11-24 2011-04-06 北京市建筑设计研究院 Anti-seismic reinforcing structure and method of old brickwork building
CN201865365U (en) * 2010-11-24 2011-06-15 北京市建筑设计研究院 Anti-seismic reinforcing structure for old brickwork buildings
CN201933799U (en) * 2010-11-25 2011-08-17 昆明理工大学 Low-cost earthquake-resistant reinforcing door frame for purlin roof
CN202945817U (en) * 2012-11-15 2013-05-22 北京筑福国际工程技术有限责任公司 Steel frame canopy guard structure of monolayer brickwork house

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JPH05141118A (en) * 1991-11-21 1993-06-08 Mitsubishi Steel Mfg Co Ltd Earthquake-proof structure of steel frame system prefabricated house
JP2815331B2 (en) * 1995-11-13 1998-10-27 株式会社山菱 Reinforcement structure of wooden building
JPH09242183A (en) * 1996-03-11 1997-09-16 Tomoe Corp Earthquake-resistant frame structure
CN102003080A (en) * 2010-11-24 2011-04-06 北京市建筑设计研究院 Anti-seismic reinforcing structure and method of old brickwork building
CN201865365U (en) * 2010-11-24 2011-06-15 北京市建筑设计研究院 Anti-seismic reinforcing structure for old brickwork buildings
CN201933799U (en) * 2010-11-25 2011-08-17 昆明理工大学 Low-cost earthquake-resistant reinforcing door frame for purlin roof
CN202945817U (en) * 2012-11-15 2013-05-22 北京筑福国际工程技术有限责任公司 Steel frame canopy guard structure of monolayer brickwork house

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103306497A (en) * 2013-07-02 2013-09-18 北京建工博海建设有限公司 Shock prevention and strengthening construction method for existing brickwork dwelling house fabricated structure
CN103306497B (en) * 2013-07-02 2015-06-03 北京建工博海建设有限公司 Shock prevention and strengthening construction method for existing brickwork dwelling house fabricated structure
CN103526952A (en) * 2013-10-12 2014-01-22 北京筑福国际工程技术有限责任公司 Adjustable sliding block inclined beam steel frame canopy guard structure for bricked residence and construction method thereof
CN103526952B (en) * 2013-10-12 2015-09-09 北京筑福国际工程技术有限责任公司 Masonry residence adjustable slipper block cant beam steelframe protects roof construction and construction method thereof
CN104213717A (en) * 2014-07-10 2014-12-17 上海市建筑科学研究院(集团)有限公司 Integrated reconstruction method for multi-storey residential
CN104213717B (en) * 2014-07-10 2016-08-24 上海市建筑科学研究院(集团)有限公司 Multi-storey building integration transformation method of construction
CN105888291A (en) * 2016-04-06 2016-08-24 上海十三冶建设有限公司 Connection construction method for new and old factory building roof structures

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