CN102589838B - Internal air-supported rigidity simulation device for wind tunnel test model of single story building - Google Patents
Internal air-supported rigidity simulation device for wind tunnel test model of single story building Download PDFInfo
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- CN102589838B CN102589838B CN201210033205.0A CN201210033205A CN102589838B CN 102589838 B CN102589838 B CN 102589838B CN 201210033205 A CN201210033205 A CN 201210033205A CN 102589838 B CN102589838 B CN 102589838B
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Abstract
The invention discloses an internal air-supported rigidity simulation device for a wind tunnel test model of a single story building. The bottoms of four hollow round steel pipes are vertically arranged around a wind tunnel rotation table; the top parts of the four steel pipes are fixed with a wind tunnel rotation disk; a detachable disk is arranged in the center of the wind tunnel rotation disk; a hole is arranged in the center of the detachable disk; an organic glass container formed by a round barrel with a small upper section and a big lower section is arranged on the wind tunnel rotation table among the four steel pipes through a round rubber pad; an annular rubber pad is arranged between an annular cup opening of the organic glass container and the lower surface of the wind tunnel rotation disk; the axial line of the organic glass container is coaxial with a rotary shaft of the wind tunnel rotation table; a water inlet valve is arranged at the upper side of the organic glass container; and a water outlet valve is arranged at the lower side of the organic glass container. According to the requirements of the wind tunnel test of the single story building model, the water level in the container is adjusted by the water inlet valve and the water outlet valve, so that the aim of adjusting the internal volume of the wind tunnel test model is achieved. The internal air-supported rigidity simulation device can precisely adjust the internal air-supported rigidity of the wind tunnel test model of the single story building and lay a foundation for making a research on the wind resistant test of the single story building.
Description
Technical field
The present invention relates to the experiment simulator of Structural Wind Engineering technology, especially relate to a kind of internal air-supported rigidity simulation device for wind tunnel test model of single story building.
Background technology
China is the country that disaster caused by a windstorm takes place frequently, and disaster caused by a windstorm caused a large amount of house collapses and casualties in the last few years, and wherein topmost disaster caused by a windstorm loss is the single story building windage loss having a large capacity and a wide range, and therefore carrying out the research of single story building wind resistance is the most important thing of modernism engineering research.Wind tunnel test is the important means of carrying out building wind resistance research, by the BUILDINGS MODELS after dwindling is installed in boundary layer wind tunnel, carries out the test of shaking of blast, wind-force and wind, the basic data of studying to obtain building wind resistance in made wind environment.In non-open type single story building model internal dynamic pressure or the wind tunnel test of roofing wind vibration response, the inner air bearing stiffness simulation of model is the key issue that must solve.Research shows, the method that solves the inner air bearing stiffness simulation of single story building wind tunnel model is to regulate model internal capacity, be that model is except scaled, also must with wind speed than square inverse regulate model internal capacity, conventionally wind speed ratio is less than 1, the internal capacity that model needs is greater than the internal capacity of model itself conventionally, therefore in boundary layer wind tunnel, should possess the device of energy exaggeration model internal capacity.Regrettably most domestic wind-tunnel does not all have a set of device that can regulate more neatly model internal capacity at present, and test findings often differs greatly with desired value, has had a strong impact on single story building wind resistance progress of research.
Summary of the invention
The object of the present invention is to provide a kind of internal air-supported rigidity simulation device for wind tunnel test model of single story building, can regulate neatly single story building model internal capacity, thereby change the inner air bearing rigidity of BUILDINGS MODELS, thereby lay the foundation for carrying out the research of single story building wind load test.
The technical solution adopted for the present invention to solve the technical problems is:
Four open circles steel pipe bottom vertical are installed on wind-tunnel turntable periphery, and four open circles steel pipe top and wind-tunnel rotating disk are fixed, and described wind-tunnel center of turntable is provided with detachable disk, and detachable disc centre has hole; On wind-tunnel turntable between four open circles steel pipes by round rubber pad, be mounted with an organic glass container being formed by the little cylinder of epimere and hypomere large cylinder, between the annular rim of a cup of organic glass container and wind-tunnel disk lower surface, be equipped with annular rubber pad, organic glass container axis is coaxial with the rotating shaft of wind-tunnel turntable, described organic glass container upside is provided with inlet valve, and downside is provided with flowing water Valve.
Described organic glass container outside diameter is less than the diameter of detachable disk, and described organic glass container end diameter is greater than the diameter of hole.
On described organic glass container, edge vertically indicates rule.
The beneficial effect that the present invention has is:
The present invention can regulate water level in container by Inlet and outlet water valve according to the requirement of single story building model wind tunnel test, thereby reach, regulates model in wind tunnel internal capacity.The inside air bearing rigidity of this device energy fine adjustment single story building model in wind tunnel, lays the foundation for carrying out the research of single story building wind load test.
Accompanying drawing explanation
Fig. 1 is front view of the present invention.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the A-A vertical view of Fig. 1.
Fig. 4 is embodiments of the invention figure.
In figure: 1, open circles steel pipe, 2, bolt, 3, wind-tunnel turntable, 4, wind-tunnel rotating disk, 5, detachable disk, 6, hole, 7, organic glass container, 8, inlet valve, 9, flowing water Valve, 10, round rubber pad, 11, annular rubber pad, 12, rule, 13, annular rim of a cup, 14, ribbed stiffener, 15, single story building model, 16, pressure test instrument, 17, pressure transmission pipeline.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
As shown in Figure 1, Figure 2, Figure 3 shows, the even at right angle setting of some bolts 2 is passed through in wind-tunnel turntable 3 peripheries in four open circles steel pipe 1 bottoms of the present invention, four open circles steel pipe 1 tops are fixing with wind-tunnel rotating disk 4 by some bolts 2, described wind-tunnel rotating disk 4 centers are provided with detachable disk 5, and there is hole 6 at detachable disk 5 centers; On the wind-tunnel turntable 3 that four open circles steel pipes are 1 by round rubber pad 10, be mounted with an organic glass container 7 being formed by the little cylinder of epimere and hypomere large cylinder, between the annular rim of a cup 13 of organic glass container 7 and wind-tunnel rotating disk 4 lower surfaces, be equipped with annular rubber pad 11, annular rim of a cup 13 has ribbed stiffener 14 to improve the rigidity of annular rim of a cup, organic glass container 7 axis are coaxial with 3 rotating shafts of wind-tunnel turntable, described organic glass container 7 upsides are provided with inlet valve 8, and downside is provided with flowing water Valve 9.
Described organic glass container 7 is highly less than the distance between wind-tunnel turntable 3 upper surfaces and wind-tunnel rotating disk 4 lower surfaces, described organic glass container 7 outside diameters are less than the diameter of detachable disk 5, and described organic glass container 7 end diameters are greater than the diameter of hole 6.
On described organic glass container 7, edge vertically indicates rule 12.
embodiment:
The dynamic internal pressure test of perforate single story building model of now take illustrates the using method of this device as example.
As shown in Figure 4, first remove the detachable disk 5 of wind-tunnel rotating disk 4 central authorities, round rubber pad 10 is laid on wind-tunnel turntable 3, organic glass container 7 is positioned on round rubber pad 10, pressure-measuring instrument 16 is positioned on organic glass container 7, annular rubber pad 11 is positioned on organic glass container 7 annular rims of a cup 13, then detachable disk 5 use bolts 2 are arranged on to wind-tunnel rotating disk 4 central authorities, organic glass container 7 is pressed between wind-tunnel turntable 3 and wind-tunnel rotating disk 4, single story building model 15 base plates are shed, and be pasted on wind-tunnel rotating disk 4 central authorities, single story building model 15 inner spaces are communicated with organic glass container 7, and guarantee to connect closely air tight.Running water pipe is connected with inlet valve 8, and fasten flowing water Valve 9, toward water filling in organic glass container 7, by the rule 12 on organic glass container 7, determine height of water level, and calculate the actual inside volume that single story building model 15 internal capacities and the above spatial volume sum of organic glass container 7 water surface are single story building model 15, by the height of the water surface in inlet valve 8 and flowing water Valve 9 fine adjustment organic glass containers 7, make the actual inside volume of single story building model 15 consistent with target internal volume, the other end of the pressure transmission pipeline 17 that the pressure tap with on single story building model 15 is connected is connected with pressure-measuring instrument 16, open blasting, starting pressure surveying instrument 16 is measured the internal dynamic pressure of single story building model 15, open wind-tunnel turntable 3, organic glass container 7, single story building model 15 rotates with wind-tunnel turntable 3 with wind-tunnel rotating disk 4, starting pressure surveying instrument 16 is measured the internal dynamic pressure of individual layer BUILDINGS MODELS 15 under different wind direction effects.
Above-mentioned embodiment is used for illustrating the present invention, rather than limits the invention, and in the protection domain of spirit of the present invention and claim, any modifications and changes that the present invention is made, all fall into protection scope of the present invention.
Claims (3)
1. an internal air-supported rigidity simulation device for wind tunnel test model of single story building, it is characterized in that: four open circles steel pipes (1) bottom vertical is installed on wind-tunnel turntable (3) periphery, four open circles steel pipe (1) tops and wind-tunnel rotating disk (4) are fixing, described wind-tunnel rotating disk (4) center is provided with detachable disk (5), and detachable disk (5) center has hole (6); Wind-tunnel turntable (3) between four open circles steel pipes (1) is above mounted with an organic glass container (7) being comprised of the little cylinder of epimere and hypomere large cylinder by round rubber pad (10), between the annular rim of a cup (13) of organic glass container (7) and wind-tunnel rotating disk (4) lower surface, be equipped with annular rubber pad (11), organic glass container (7) axis is coaxial with wind-tunnel turntable (3) rotating shaft, described organic glass container (7) upside is provided with inlet valve (8), and downside is provided with flowing water Valve (9).
2. a kind of internal air-supported rigidity simulation device for wind tunnel test model of single story building according to claim 1, it is characterized in that: described organic glass container (7) outside diameter is less than the diameter of detachable disk (5), described organic glass container (7) end diameter is greater than the diameter of hole (6).
3. a kind of internal air-supported rigidity simulation device for wind tunnel test model of single story building according to claim 1, is characterized in that: described organic glass container (7) is upper along vertically indicating rule (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210033205.0A CN102589838B (en) | 2012-02-15 | 2012-02-15 | Internal air-supported rigidity simulation device for wind tunnel test model of single story building |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210033205.0A CN102589838B (en) | 2012-02-15 | 2012-02-15 | Internal air-supported rigidity simulation device for wind tunnel test model of single story building |
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| Publication Number | Publication Date |
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| CN102589838A CN102589838A (en) | 2012-07-18 |
| CN102589838B true CN102589838B (en) | 2014-04-16 |
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| CN201210033205.0A Expired - Fee Related CN102589838B (en) | 2012-02-15 | 2012-02-15 | Internal air-supported rigidity simulation device for wind tunnel test model of single story building |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106153287B (en) * | 2015-04-08 | 2018-06-15 | 大连理工大学 | A kind of device for being used to fix wind-tunnel wedge |
| CN104964806A (en) * | 2015-06-25 | 2015-10-07 | 哈尔滨工业大学 | Suction-blowing control device of high-rise building model in wind tunnel test |
| CN105421589B (en) * | 2015-12-15 | 2017-10-10 | 重庆交通大学 | A kind of house studied for low rise buildings roof system wind pressure actual measurement |
| CN108427825B (en) * | 2018-01-30 | 2019-10-29 | 浙江大学 | A kind of wind-induced internal pressure test method towards the flexible building that punches |
| CN108534980B (en) * | 2018-06-27 | 2023-05-16 | 郑州大学 | Cooling tower group tower surface wind pressure interference effect test equipment and application method thereof |
| CN110231138B (en) * | 2019-06-06 | 2024-03-19 | 南京大学 | Wind tunnel test device and use method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60169734A (en) * | 1984-02-13 | 1985-09-03 | Mitsubishi Heavy Ind Ltd | Testing method of smoke diffusion model |
| JPH09166516A (en) * | 1995-12-15 | 1997-06-24 | Showa:Kk | Wind tunnel testing device |
| JP2001083038A (en) * | 1999-09-10 | 2001-03-30 | Mitsubishi Heavy Ind Ltd | Snow load evaluating method and device used for the same |
| CN1851436A (en) * | 2006-05-31 | 2006-10-25 | 汕头大学 | Big-span roof and super high-rise building structure wind vibration response detecting and computing method |
| CN202547899U (en) * | 2012-02-15 | 2012-11-21 | 浙江大学 | Internal air-supported stiffness simulation device for single-storey building wind-tunnel test model |
-
2012
- 2012-02-15 CN CN201210033205.0A patent/CN102589838B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60169734A (en) * | 1984-02-13 | 1985-09-03 | Mitsubishi Heavy Ind Ltd | Testing method of smoke diffusion model |
| JPH09166516A (en) * | 1995-12-15 | 1997-06-24 | Showa:Kk | Wind tunnel testing device |
| JP2001083038A (en) * | 1999-09-10 | 2001-03-30 | Mitsubishi Heavy Ind Ltd | Snow load evaluating method and device used for the same |
| CN1851436A (en) * | 2006-05-31 | 2006-10-25 | 汕头大学 | Big-span roof and super high-rise building structure wind vibration response detecting and computing method |
| CN202547899U (en) * | 2012-02-15 | 2012-11-21 | 浙江大学 | Internal air-supported stiffness simulation device for single-storey building wind-tunnel test model |
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| CN102589838A (en) | 2012-07-18 |
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