CN102936966A - Steel frame canopy guard structure of single-layer purlin masonry house and construction method thereof - Google Patents
Steel frame canopy guard structure of single-layer purlin masonry house and construction method thereof Download PDFInfo
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- CN102936966A CN102936966A CN2012104683376A CN201210468337A CN102936966A CN 102936966 A CN102936966 A CN 102936966A CN 2012104683376 A CN2012104683376 A CN 2012104683376A CN 201210468337 A CN201210468337 A CN 201210468337A CN 102936966 A CN102936966 A CN 102936966A
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Abstract
The invention relates to a steel frame canopy guard structure of a single-layer purlin masonry house and a construction method thereof. The original roof is provided with original roof purlines and comprises external transverse girders, external longitudinal girders, external steel columns, an external foundation, a roof beam and at least two inclined girders. V-shaped grooves are welded on the inclined girders at intervals, and the space of the inclined girders is identical to that of the original roof purlines. Two inclined girders are in herringbone butt joint, the V-shaped groove arranged on the two inclined girders clamps the original roof purlines, the bottom ends of the inclined girders are fixedly connected with the roof beam, the two inclined girders and the roof beam form a A-shaped reinforced steel roof truss, and the A-shaped reinforced steel roof truss is supported on a steel frame formed by the external transverse girders, the external longitudinal girders, the external steel columns and the external foundation. Roof load is borne by the steel frame canopy guard structure instead of a wall, seismic performance of the steel frame canopy guard structure is improved in the condition of not influencing the use effect, and therefore the steel frame canopy guard structure can be widely applied to aseismic strengthening improvement of stone and brick houses in remote and border areas.
Description
Technical field
The present invention relates to a kind of ruggedized construction and job practices thereof, particularly a kind of ruggedized construction and job practices thereof of the hard mountain of individual layer being put the purlin masonry residence belongs to the seismic hardening field.
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
Build stone dwelling house of the remote past and the brick house mode by integral reinforcing on the basis that does not rebuild and continue it and use function for the economically less developed region is existed in a large number, improve it and support earthquake-resistant ability, the present invention proposes a kind of steelframe and protect roof construction, by the load integral body of former roof truss is born by reinforcing steelframe, change the power transmission pattern of original structure, the masonry structure that anti-seismic performance is relatively poor changes into the steel that main dependence adds the steelframe load-masonry combination construction, fundamentally solve at China's outlying district seismic performance of building relatively poorly, earthquake causes personnel and the serious problem of property loss.
To achieve these goals, the present invention has taked following technical scheme:
The steelframe that the purlin masonry residence is put on the hard mountain of a kind of individual layer protects roof construction, be provided with former roof purlin on the former roofing, it is characterized in that: comprise adding horizontal girder steel, add vertical girder steel and add steel column, add the basis, roof truss beam and at least two oblique girder steels, interval welding V-type groove on the described oblique girder steel, the setting space of described V-type groove is identical with former roof purlin setting space, wherein, two chevron shaped docking settings of oblique girder steel, V-type groove on it tightens former roof purlin, the bottom of described oblique girder steel is fixedly connected with roof truss beam, the three jointly forms the A type and reinforces steel roof truss, and described A type reinforcing steel roof truss is supported on and adds horizontal girder steel, add vertical girder steel, add steel column and add on the basic steelframe that forms.
Describedly add vertical girder steel and be arranged on 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, and its top support top adds horizontal girder steel end, and its bottom is supported on and adds on the basis.
Described A type is reinforced the steel roof truss internal layout and is provided with stull, and two of described stulls are fixedly connected with two oblique girder steels respectively.
Described roof truss beam is grooved, and cell wall is stuck on the oblique girder steel, described roof truss beam simultaneously with add vertical girder steel and be fixedly connected with.
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 the steelframe that purlin individual layer masonry residence is put on above-mentioned a kind of hard mountain protects roof construction, adopt the following enforcement of step:
Step 8 has the oblique girder steel of V-type groove to tighten respectively former roof purlin two root beads and former roof purlin is fixedly connected with oblique girder steel, and two oblique girder steel top joints are fixedly connected with, and bottom and the roof truss beam of two oblique girder steels are fixed, and form A type reinforcing steel roof truss;
Step 9, roof truss beam ride over and add vertical girder steel, and are fixedly connected with it;
Step 10, the interval arranges stull in the A type reinforcing steel roof truss of two oblique girder steels and roof truss beam formation, and the stull two ends are fixedly connected with two oblique girder steels respectively;
Step 11, steel column and A type are reinforced steel roof truss, the A type is reinforced steel roof truss and held out against with former roof purlin adding by jack, until the roofing load all by A type reinforcing steel roof truss with add steel column and bear, will add steel column and add the basis and be fixedly connected with.
In the described step 8, former roof purlin and oblique girder steel are fixed by iron wire or stirrup.
In the described step 8, the A type is reinforced steel roof truss for be arrangeding two groups or three groups in parallel, is arranged on the two ends of original building in the time of two groups, and in the time of three groups, on the basis of two ends setting, the centre in house is set up one group.
Beneficial effect
The present invention is by arranging two chevron shaped docking settings of oblique girder steel, V-type groove on it tightens former roof purlin, the bottom of described oblique girder steel is fixedly connected with roof truss beam, the three jointly forms the A type and reinforces steel roof truss, and add horizontal girder steel, two by at least two and add vertical girder steel and link together, add steel column and be connected with at least four again, the steelframe of formation, the common ruggedized construction that forms original structure.Make the load of former roofing all effectively pass to the ruggedized construction that the A type is reinforced steel roof truss and steelframe composition, by such processing, changed the force transfer system of former building structure, 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 ruggedized construction schematic diagram of the present invention.
Fig. 2 is the side elevational view of original structure of the present invention and ruggedized construction.
Fig. 3 is the steelframe schematic diagram of ruggedized construction of the present invention.
Fig. 4 is original structure of the present invention and ruggedized construction relative position schematic diagram.
Fig. 5 adds the steel column layout plan.
Reference numeral: 1: add horizontal girder steel; 2: add steel column; 3: add vertical girder steel; 4: former gable; 5: former vertical wall; 6: diagonal brace; 7: add the basis; 8: former roof purlin; 9: oblique girder steel; 10:V type groove; 11: stull; 12: roof truss beam.
The specific embodiment
Shown in Fig. 1-5, the steelframe that the purlin masonry residence is put on the hard mountain of a kind of individual layer protects roof construction, be provided with former roof purlin 8 on the former roofing, comprise and add horizontal girder steel 1, add vertical girder steel 3 and add steel column 2, add basis 7, roof truss beam 12 and at least two oblique girder steels 9, interval welding V-type groove 10 on the described oblique girder steel 9, the setting space of described V-type groove 10 is identical with former roof purlin 8 setting spaces, wherein, two oblique girder steel 9 chevron shaped docking settings, the former roof of V-type groove 10 chuckings purlin 8 on it, the bottom of described oblique girder steel 9 is fixedly connected with roof truss beam 12, the three jointly forms the A type and reinforces steel roof truss, and described A type reinforcing steel roof truss is supported on and adds horizontal girder steel 1, add vertical girder steel 3, add steel column 2 and add on basic 7 steelframes that form.
Describedly add vertical girder steel 3 and be arranged on 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, and its top support top adds horizontal girder steel 1 end, and its bottom is supported on and adds on the basis 7.
Described A type is reinforced the steel roof truss internal layout and is provided with stull 11, and 11 two of described stulls are fixedly connected with two oblique girder steels 9 respectively.
Described roof truss beam 12 is grooved, and cell wall is stuck on the oblique girder steel 9, described roof truss beam 12 simultaneously with add vertical girder steel 3 and be fixedly connected with.
Described add horizontal girder steel 1 and add between the steel column 2 angle that forms diagonal brace 6 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 the steelframe that purlin individual layer masonry residence is put on above-mentioned a kind of hard mountain protects roof construction, adopt the following enforcement of step:
Step 8, there is the oblique girder steel 9 of V-type groove 10 to tighten respectively former roof purlin 8 two root beads and former roof purlin 8 is fixedly connected with oblique girder steel 9, two oblique girder steel 9 top joints are fixedly connected with, and the bottom of two oblique girder steels 9 and roof truss beam 12 are fixing, form the A type and reinforce steel roof truss; Former roof purlin 8 and oblique girder steel 9 are fixed by iron wire or stirrup.The A type is reinforced steel roof truss for be arrangeding two groups or three groups in parallel, is arranged on the two ends of original building in the time of two groups, and in the time of three groups, on the basis of two ends setting, the centre in house is set up one group.
Step 9, roof truss beam 12 ride over and add vertical girder steel 3, and are fixedly connected with it;
Step 10, the interval arranges stull 11 in the A type reinforcing steel roof truss of two oblique girder steels 9 and roof truss beam 12 formation, and stull 11 two ends are fixedly connected with two oblique girder steels 9 respectively;
Step 11, steel column 2 is reinforced steel roof truss with the A type, the A type is reinforced steel roof truss and held out against with former roof purlin 8 adding by jack, bears until the roofing load is all reinforced steel roof truss and added steel column 2 by the A type, will add steel column 2 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 (9)
1. the hard mountain of the individual layer steelframe of putting the purlin masonry residence protects roof construction, be provided with former roof purlin (8) on the former roofing, it is characterized in that: comprise adding horizontal girder steel (1), add vertical girder steel (3) and add steel column (2), add basis (7), roof truss beam (12) and at least two oblique girder steels (9), the upper interval welding of described oblique girder steel (9) V-type groove (10), the setting space of described V-type groove (10) is identical with former roof purlin (8) setting space, wherein, the chevron shaped docking setting of two oblique girder steels (9), V-type groove (10) chucking former roof purlin (8) on it, the bottom of described oblique girder steel (9) is fixedly connected with roof truss beam (12), the three jointly forms the A type and reinforces steel roof truss, and described A type reinforcing steel roof truss is supported on and adds horizontal girder steel (1), add vertical girder steel (3), add steel column (2) and add on the steelframe that basis (7) forms.
2. the hard mountain of the individual layer according to claim 1 steelframe of putting the purlin masonry residence protects roof construction, it is characterized in that: the described vertical girder steel (3) that adds is arranged on 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 adds horizontal girder steel (1) end, and its bottom is supported on and adds on the basis (7).
3. the hard mountain of the individual layer according to claim 1 steelframe of putting the purlin masonry residence protects roof construction, it is characterized in that: described A type is reinforced the steel roof truss internal layout and is provided with stull (11), and (11) two of described stulls are fixedly connected with two oblique girder steels (9) respectively.
4. the hard mountain of the individual layer according to claim 1 steelframe of putting the purlin masonry residence protects roof construction, it is characterized in that: described roof truss beam (12) is grooved, cell wall is stuck on the oblique girder steel (9), described roof truss beam (12) simultaneously with add vertical girder steel (3) and be fixedly connected with.
5. the hard mountain of the individual layer according to claim 1 steelframe of putting the purlin masonry residence protects roof construction, it is characterized in that: described add horizontal girder steel (1) and add the angle that forms between the steel column (2) diagonal brace (6) is set.
6. the hard mountain of the individual layer according to claim 1 steelframe of putting the purlin masonry residence protects roof construction, and 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; Described former vertical wall (5) top outer has mounting groove, and the described horizontal girder steel (1) that adds embeds in the mounting groove.
7. the job practices that the steelframe of putting purlin individual layer masonry residence to the described a kind of hard mountain of 6 any one according to claim 1 protects roof construction is characterized in that: adopt the following enforcement of step:
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 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 with both connections;
Step 7 according to the setting space of the former roof of existed building purlin (8), is determined the setting space of V-type groove (10) on oblique girder steel (9), and by the spacing that determines V-type groove (10) is welded on the oblique girder steel (9);
Step 8, there is the oblique girder steel (9) of V-type groove (10) to tighten respectively former roof purlin (8) two root beads and former roof purlin (8) is fixedly connected with oblique girder steel (9), two oblique girder steels (9) top joint is fixedly connected with, the bottom of two oblique girder steels (9) and roof truss beam (12) are fixing, form the A type and reinforce steel roof truss;
Step 9, roof truss beam (12) ride over and add vertical girder steel (3), and are fixedly connected with it;
Step 10, the interval arranges stull (11) in the A type reinforcing steel roof truss of two oblique girder steels (9) and roof truss beam (12) formation, and stull (11) two ends are fixedly connected with two oblique girder steels (9) respectively.
Step 11, steel column (2) is reinforced steel roof truss with the A type, steel roof truss reinforced by the A type and former roof purlin (8) holds out against adding by jack, bear until the roofing load is all reinforced steel roof truss and added steel column (2) by the A type, will add steel column (2) and add basis (7) and be fixedly connected with.
8. a kind of hard mountain according to claim 7 steelframe of putting purlin individual layer masonry residence job practices of protecting roof construction is characterized in that: in the described step 8, former roof purlin (8) and tiltedly girder steel (9) fix by iron wire or stirrup.
9. a kind of hard mountain according to claim 7 steelframe of putting purlin individual layer masonry residence job practices of protecting roof construction, it is characterized in that: in the described step 8, the A type is reinforced steel roof truss for be arrangeding two groups or three groups in parallel, be arranged on the two ends of original building in the time of two groups, in the time of three groups, on the basis of two ends setting, the centre in house is set up one group.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104683376A CN102936966A (en) | 2012-11-15 | 2012-11-15 | Steel frame canopy guard structure of single-layer purlin masonry house and construction method thereof |
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| CN2012104683376A CN102936966A (en) | 2012-11-15 | 2012-11-15 | Steel frame canopy guard structure of single-layer purlin masonry house and construction method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN108678409A (en) * | 2018-06-01 | 2018-10-19 | 杨宣玲 | A kind of old building reconstruction method and its reconstruction structure |
| CN112211424A (en) * | 2020-07-29 | 2021-01-12 | 中国建筑科学研究院有限公司 | Reinforcing system for reinforcing existing masonry by outer sleeved portal type rigid frame and construction method |
| CN113047661A (en) * | 2021-05-07 | 2021-06-29 | 昆明理工大学 | Wood structure traditional local-style dwelling houses beam column tenon fourth of twelve earthly branches node reinforcing and correcting device |
| WO2023035804A1 (en) * | 2021-09-10 | 2023-03-16 | 上海建为历保科技股份有限公司 | Reinforcement apparatus for wok ear rammed earth wall correction |
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| CN101818578A (en) * | 2010-03-26 | 2010-09-01 | 建研科技股份有限公司 | Disaster prevention and reinforcement method for brick house |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
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| CN112211424A (en) * | 2020-07-29 | 2021-01-12 | 中国建筑科学研究院有限公司 | Reinforcing system for reinforcing existing masonry by outer sleeved portal type rigid frame and construction method |
| CN112211424B (en) * | 2020-07-29 | 2022-02-08 | 中国建筑科学研究院有限公司 | Reinforcing system for reinforcing existing masonry by outer sleeved portal type rigid frame and construction method |
| CN113047661A (en) * | 2021-05-07 | 2021-06-29 | 昆明理工大学 | Wood structure traditional local-style dwelling houses beam column tenon fourth of twelve earthly branches node reinforcing and correcting device |
| WO2023035804A1 (en) * | 2021-09-10 | 2023-03-16 | 上海建为历保科技股份有限公司 | Reinforcement apparatus for wok ear rammed earth wall correction |
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Address after: 100043, Beijing, Shijingshan District, 166 Fu Shi Road, two floor, Chak Yang Building Applicant after: Beijing Aeido International Engineering Technology Co., Ltd. Address before: 100043, Beijing, Shijingshan District, 166 Fu Shi Road, two floor, Chak Yang Building Applicant before: Beijing Zhufu Construction Engineering Co., Ltd. |
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| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: BEIJING AEIDO CONSTRUCTION ENGINEERING CO., LTD. TO: BEIJING AEIDO INTERNATIONAL ENGINEERING TECHNOLOGY CO., LTD. |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130220 |