CN103512610A - Test bed - Google Patents
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- CN103512610A CN103512610A CN201310461895.4A CN201310461895A CN103512610A CN 103512610 A CN103512610 A CN 103512610A CN 201310461895 A CN201310461895 A CN 201310461895A CN 103512610 A CN103512610 A CN 103512610A
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- 238000012360 testing method Methods 0.000 title claims abstract description 82
- 238000010276 construction Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 4
- 230000007480 spreading Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 7
- 238000002474 experimental method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000011160 research Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 238000004088 simulation Methods 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 238000009529 body temperature measurement Methods 0.000 description 2
- 230000005764 inhibitory process Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000004379 similarity theory Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
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Abstract
The invention relates to a test bed for fire test, comprising: the brick-concrete building body forms a plurality of rooms with a multilayer structure and can be used for placing fire sources; a plurality of windows are arranged on the brick-concrete building body and are respectively communicated with the plurality of rooms; a plurality of cornices are arranged on the brick-concrete building body and are respectively positioned above the windows; and the thermocouple is arranged outside the brick-concrete building body and is used for detecting the temperature outside the brick-concrete building body, wherein the size of the opening of the window is adjustable, and/or the area of the cornice is adjustable. The invention has the advantages that the fire scene is simulated through the test bed, and then the influence of the size of the window and the size of the cornice on the fire overflow spreading is judged.
Description
Technical field
The present invention relates to a kind of testing table.
Background technology
During high-rise building with fire disaster, its fire spread mainly contains level and spreads and longitudinally spread two kinds and spread mode.Level spreads and is only limiting to fire bed, and longitudinally spreading in traditional skyscraper of fire is mainly the various vertical shafts by inside, and the exterior window of Zhongting and buildings etc. spreads diffusion.During fire longitudinally spreads, the buoyancy causing at hot flue gas, under the effect of chimney effect, the equiprobable influence factor of extraneous wind-force, the speed that the speed that fire longitudinally spreads will spread much larger than its level.The investigation and analysis of fire of high-rise building accident in the past are also shown to longitudinally spreading of fire is to cause the last main cause out of control of fire of high-rise building.In recent years along with the development of energy-saving building technology and heat insulating material, in the fire of urban skyscraper, all formed the serious event of fire that fire longitudinally spreads rapidly and expands to building interior along facade, this has increased new way for longitudinally spreading of fire again.
Therefore, how to develop and can suppress the Architectural Construction technology that fiery overflow spreads, guarantee the fire savety of skyscraper, become current fire safety evaluating field and be badly in need of the key issue solving, and this must rely on and carries out the test of a large amount of building fire, by obtaining optimal Architectural Construction in fire disaster simulation repeatedly, the size of especially how controlling window and size and cornicing, effective obstruct that could utilize window and cornice fiery overflow is spread.
In existing technology, even a kind of effective fire disaster simulation scheme cannot be provided.The design people is research and innovation in addition actively, to founding a kind of testing table of new structure, the size that changes window or cornice, simulate the window of different size or cornice down, the inhibition situation that fiery overflow is spread, to determine at the window of what size or under cornicing, can better suppress fiery overflow along window to vertical spread.
Summary of the invention
Fundamental purpose of the present invention is, a kind of testing table of new structure is provided, and technical matters to be solved is the size by changing window or cornicing, simulate the window of different size or cornice down, and the inhibition situation that fiery overflow is spread, thus be more suitable for practicality.
The object of the invention to solve the technical problems realizes by the following technical solutions.A kind of testing table proposing according to the present invention, for carrying out fire test, comprising: Zhuan Hun building body, form a plurality of rooms that are sandwich construction, and can place burning things which may cause a fire disaster; Window, quantity is a plurality of, is opened on described Zhuan Hun building body, is communicated with respectively described a plurality of room; Cornice, quantity is a plurality of, is arranged on described Zhuan Hun building body, lays respectively at the top of described a plurality of windows; Thermopair, is arranged on the outside of described Zhuan Hun building body, and for detection of the temperature of described Zhuan Hun building external body, wherein, the openings of sizes of described window is adjustable, and/or described in the area that cornices adjustable.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Preferably, aforesaid testing table, the opening of described window and described in the area that cornices all adjustable.
Preferably, aforesaid testing table, described window comprises: baffle plate slidably, described window has limit, left side, right edge and upper side edge, in limit, left side, right edge and the upper side edge of described window, dig the chute of connection, described slidably baffle plate can be movable in described chute, changes open height or the width of described window.
Preferably, aforesaid testing table, described in cornice and comprise: the first baffle plate, is fixed on described Zhuan Hun building body; Slide rail, is arranged on described the first baffle plate; Second baffle can slide on described slide rail, stretches out or shrinks, with the size of cornicing described in changing from described the first baffle plate.
Preferably, aforesaid testing table, the quantity of described slide rail is two, is arranged on respectively on two surfaces of described the first baffle plate, and along described length and Width, arranges respectively; The quantity of described second baffle is two, is arranged on respectively on two described slide rails, for length and the width cornicing described in changing.
Preferably, aforesaid testing table, also comprises: thermopair frame, be arranged on Zhuan Hun building body, on described thermopair frame, a plurality of thermopairs be installed, described thermopair frame is divided into multistage, wherein at least one section with described in cornice parallelly, in addition at least one section is parallel with described window.
Preferably, aforesaid testing table, described Zhuan Hun building body forms vertical direction Shang Lianglie room, before window corresponding to described Liang Lie room, is provided with described thermopair, and wherein in bottom two rooms is for placing described burning things which may cause a fire disaster.
Preferably, aforesaid testing table, also comprises: exterior stair, be arranged on described Zhuan Hun building body, and be positioned at described Zhuan Hun Lou Ti both sides.
Preferably, aforesaid testing table, is provided with ground collar tie beam in the ground in the bottom room in described a plurality of rooms, collar tie beam is all installed in the roof in described a plurality of rooms.
Preferably, aforesaid testing table, also comprises: blinding layer, is positioned at the bottom of described Zhuan Hun building body.
By technique scheme, testing table of the present invention can be used as the analogue experiment installation that the overflow of research facade fire spreads Barrier Technology, safe, flexible, convenient, and testing table has complete temperature measurement system, particularly:
By window or the adjusting of cornicing, can obtain the window of different size or cornice down, the situation of fire overflow along window to vertical spread, can determine afterwards at the window of what size or under cornicing, and can better suppress fiery overflow along window longitudinally and the situation that spreads of horizontal direction.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of instructions, below with preferred embodiment of the present invention and coordinate accompanying drawing to be described in detail as follows.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of testing table according to an embodiment of the invention;
Fig. 2 is the schematic diagram of testing table according to an embodiment of the invention;
Fig. 3 is the schematic diagram of testing table according to an embodiment of the invention;
Fig. 4 is the partial schematic diagram of testing table according to an embodiment of the invention;
Fig. 5 is the partial schematic diagram of testing table according to an embodiment of the invention;
Fig. 6 is the partial schematic diagram of testing table according to an embodiment of the invention;
Fig. 7 is the partial schematic diagram of testing table according to an embodiment of the invention.
Embodiment
For further setting forth the present invention, reach technological means and the effect that predetermined goal of the invention is taked, below in conjunction with accompanying drawing and preferred embodiment, its embodiment of testing table, structure, feature and effect thereof to proposing according to the present invention, be described in detail as follows.In following explanation, the not necessarily same embodiment that different " embodiment " or " embodiment " refer to.In addition, special characteristic, structure or the feature in one or more embodiment can be combined by any suitable form.
As shown in Figure 1, Figure 2 and Figure 3, one embodiment of the present of invention propose a kind of testing table, be used for carrying out fire test, can comprise: Zhuan Hun building body 1, the foundation structure that Zhuan Hun building body 1 is testing table, for supporting, install dissimilar testing equipment ，Zhuan Hun building body 1, form a plurality of rooms that are sandwich construction, can place burning things which may cause a fire disaster, window 2, quantity is a plurality of, is opened on Zhuan Hun building body 1, is communicated with respectively a plurality of rooms, cornice 3, quantity is a plurality of, is arranged on Zhuan Hun building body 1, lays respectively at the top of a plurality of windows 2, thermopair 4, be arranged on the outside of Zhuan Hun building body 1, temperature for detection of body 1 outside, Zhuan Hun building, wherein, the openings of sizes of window 2 is adjustable, and/or 3 the area of cornicing is adjustable, testing table shown in figure can adopt 1:2 small scale testing table, testing table external dimensions is 4 meters * 3.3 meters * 4.5 meters, totally three layers of testing tables, each room-sized can be designed as 2 meters * 3.3 meters * 1.5 meters, those skilled in the art is to be understood that, above data are only example, the technical scheme of the present embodiment is not limited, window 2 determines that with the 3 adjustable features of cornicing testing table size does not limit, therefore, utilize the testing table of this programme, simulate existing skyscraper, can test the security of existing skyscraper.
Preferably, another embodiment of the present invention proposes a kind of testing table, compares with above-described embodiment, the testing table of the present embodiment, the openings of sizes of window 2 is adjustable, and 3 the area of simultaneously cornicing is adjustable, adjustable window 2 and cornice 3 can be for carrying out following test:
Research is without window 2 shape and size, the obstruct impact mechanism of 3 size, the size (height with window 2 changes) of window still wall etc. of cornicing on fiery overflow under outdoor wind condition.First, guarantee that thermopair 4 thermometrics are normal.After regulating window 2 and 3 sizes of cornicing, the food tray of certain size is placed in bottom room in a plurality of rooms, by the balance registration of setting to zero, then utilize balance to take the methyl alcohol of a certain amount of (for estimating fire source power) the upper oil-pan that falls, after being all ready to before this, just start igniting, form burning things which may cause a fire disaster, in this, start thermopair 4 simultaneously and gather related data.After fray-out of flame, with stand fan pectinid, it is cooling rapidly, after temperature cools down, change window 2 and 3 sizes of cornicing, step before also repeating afterwards.Utilize orthogonal experiment method, need complete altogether 25 groups of experiments that difference is corniced under 3 elongations, extension and window 2 height, width conditions.
The research size (height with window 2 changes) etc. of window 2 shape and size under exogenous wind condition, 3 sizes of cornicing, the window still wall obstruct impact mechanism on fiery overflow of having family.Utilize under the outer wind direction of blower fan simulation different chamber, wind friction velocity, the obstruct mechanism of facade fire overflow, experimental procedure is afterwards with to test 1 identical.
Preferably, as shown in Figure 4, another embodiment of the present invention proposes a kind of testing table, compare with above-described embodiment, the testing table of the present embodiment, window 2 comprises: slidably baffle plate 5, window 2 has limit, left side, right edge and upper side edge, the limit, left side of window 2, in right edge and upper side edge, dig the chute 6 of connection, slidably baffle plate 5 can be movable in chute 6, change open height or the width of described window 2, realized the adjustable of window 2 height and width, can simulate the barriering effect of different windows 2 height and the external facade fire of width, the openable full-size of window 2 can be designed as 1.4 meters * 1.1 meters, while opening maximum, the left and right sides of window 2 is 0.3 meter apart from the edge in room, those skilled in the art is to be understood that, above data are only example, the technical scheme of the present embodiment is not limited, in addition, the window 2 of adjustable geomery also has multiple, push pull type window for example, the structure of the window 2 of the present embodiment is not used in technical scheme is limited.
Preferably, as shown in Figure 5, another embodiment of the present invention proposes a kind of testing table, compare with above-described embodiment, and the testing table of the present embodiment, cornicing 3 can comprise: the first baffle plate 7, is fixed on Zhuan Hun building body 1; Slide rail 8, is arranged on the first baffle plate 7; Second baffle 9 can slide on slide rail 8, stretches out or shrinks, to change the size of cornicing from the first baffle plate.
Preferably, another embodiment of the present invention proposes a kind of testing table, compare with above-described embodiment, and the testing table of the present embodiment, the quantity of slide rail 8 is two, be arranged on respectively on two surfaces of the first baffle plate 7, and length and the Width on edge is arranged respectively; The quantity of second baffle 9 is two, be arranged on respectively on two slide rails 8, for changing cornice 3 length and width, adjustablely cornice 3 for simulating difference cornice 3 elongation and the barriering effect of the external facade fire of extension width, realized cornice 3 laterally, two-way adjustable longitudinally, 3 maximum elongations of cornicing specifically can reach 0.7 meter, maximum extension width can reach 0.4 meter, those skilled in the art is to be understood that, above data are only example, the technical scheme of the present embodiment are not limited.
Preferably, as shown in Figure 3, another embodiment of the present invention proposes a kind of testing table, compares the testing table of the present embodiment with above-described embodiment, can also comprise: thermopair frame 9, be arranged on Zhuan Hun building body 1, a plurality of thermopairs 4 are installed on thermopair frame 9, thermopair frame 4 is divided into multistage, wherein at least one section with cornice 3 parallelly, in addition at least one section is parallel with window 2.
Preferably, as depicted in figs. 1 and 2, another embodiment of the present invention proposes a kind of testing table, compare with above-described embodiment, before forming the window that ，Liang Lie room, vertical direction Shang Lianglie room is corresponding, the testing table ，Zhuan Hun building body 1 of the present embodiment is provided with thermopair 4, wherein in bottom two rooms is for placing burning things which may cause a fire disaster, then utilizes the thermopair 4 at another place, room to carry out the situation that laterally spreads of detection of fires.
Preferably, as shown in Figure 6 and Figure 7, another embodiment of the present invention proposes a kind of testing table, compare with above-described embodiment, the testing table of the present embodiment, also comprises: exterior stair 10, be arranged on Zhuan Hun building body 1, be positioned at the both sides of Zhuan Hun building body 1, for debugging, install the various facilities and equipments on Zhuan Hun building body 1, the room that the different layers place of Fig. 6 and Tu7Wei Zhuanhun building body 1 can see.
Preferably, another embodiment of the present invention proposes a kind of testing table, compare with above-described embodiment, the testing table of the present embodiment, ground collar tie beam is installed in the ground in the bottom room in a plurality of rooms, collar tie beam is all installed in the roof in a plurality of rooms, all can adopt C25 arrangement of reinforcement, ground collar tie beam and collar tie beam can warranty test platform Stability Analysis of Structures, be not easy to occur breaking.
Preferably, another embodiment of the present invention proposes a kind of testing table, compare with above-described embodiment, the testing table of the present embodiment, also comprise: blinding layer, be positioned at the bottom of Zhuan Hun building body, blinding layer can adopt C10 concrete, mechanism stable that can warranty test platform based on bed course, testing table is not easy to occur the situation of toppling over.
Preferably, another embodiment of the present invention proposes a kind of testing table, compares with above-described embodiment, and the testing table of the present embodiment, because room on fire is all arranged on bottom, therefore thickeies processing to the roof of bottom and ground, and to top floor jacking row water-proofing treatment.
By technique scheme, testing table of the present invention can be used as the analogue experiment installation that the overflow of research facade fire spreads Barrier Technology, safe, flexible, convenient, and testing table has complete temperature measurement system, particularly:
(1) overflow of facade fire spreads the simulation aspect of phenomenon, testing table is according to dimension similarity theory, intactly simulate room on fire and facade, can reflect truly that room in actual building catches fire the fiery overflow that produces along window to vertical spread, can be in outdoor experimentation and the phenomenon of clearly observing;
(2) aspect the control of testing table and the measurement of canonical parameter, no matter be window or cornice and can regulate, be convenient to the size that changes in time window and cornice, carry out different fire tests.
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, although the present invention discloses as above with preferred embodiment, yet not in order to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, when can utilizing the technology contents of above-mentioned announcement to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be the content that does not depart from technical solution of the present invention, any simple modification of above embodiment being done according to technical spirit of the present invention, equivalent variations and modification, all still belong within the scope of technical solution of the present invention.
Claims (10)
1. a testing table, for carrying out fire test, is characterized in that, comprising:
Zhuan Hun building body, forms a plurality of rooms that are sandwich construction, can place burning things which may cause a fire disaster;
Window, quantity is a plurality of, is opened on described Zhuan Hun building body, is communicated with respectively described a plurality of room;
Cornice, quantity is a plurality of, is arranged on described Zhuan Hun building body, lays respectively at the top of described a plurality of windows;
Thermopair, is arranged on the outside of described Zhuan Hun building body, for detection of the temperature of described Zhuan Hun building external body, wherein,
The openings of sizes of described window is adjustable, and/or described in the area that cornices adjustable.
2. testing table according to claim 1, is characterized in that,
The openings of sizes of described window with described in the area that cornices all adjustable.
3. testing table according to claim 2, is characterized in that, described window comprises:
Baffle plate slidably, described window has limit, left side, right edge and upper side edge, in limit, left side, right edge and the upper side edge of described window, dig the chute of connection, described slidably baffle plate can be movable in described chute, changes open height or the width of described window.
4. testing table according to claim 2, is characterized in that, described in cornice and comprise:
The first baffle plate, is fixed on described Zhuan Hun building body;
Slide rail, is arranged on described the first baffle plate;
Second baffle can slide on described slide rail, stretches out or shrinks, with the size of cornicing described in changing from described the first baffle plate.
5. testing table according to claim 4, is characterized in that,
The quantity of described slide rail is two, is arranged on respectively on two surfaces of described the first baffle plate, and along described length and Width, arranges respectively;
The quantity of described second baffle is two, is arranged on respectively on two described slide rails, for length and the width cornicing described in changing.
6. testing table according to claim 1, is characterized in that, also comprises:
Thermopair frame, is arranged on Zhuan Hun building body, on described thermopair frame, a plurality of thermopairs is installed, and described thermopair frame is divided into multistage, wherein at least one section with described in cornice parallelly, in addition at least one section is parallel with described window.
7. testing table according to claim 1, is characterized in that,
Described Zhuan Hun building body forms vertical direction Shang Lianglie room, before window corresponding to described Liang Lie room, is provided with described thermopair, and wherein in bottom two rooms is for placing described burning things which may cause a fire disaster.
8. testing table according to claim 1, is characterized in that, also comprises:
Exterior stair, is arranged on described Zhuan Hun building body, is positioned at described Zhuan Hun Lou Ti both sides.
9. testing table according to claim 1, is characterized in that,
Ground collar tie beam is installed in the ground in the bottom room in described a plurality of room,
Collar tie beam is all installed in the roof in described a plurality of rooms.
10. according to the testing table described in any one in claim 1 to 9, it is characterized in that, also comprise:
Blinding layer, is positioned at the bottom of described Zhuan Hun building body.
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Cited By (6)
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| CN103761919A (en) * | 2014-01-29 | 2014-04-30 | 中国科学技术大学 | Chamber fire simulation experiment device under action of external wind |
| CN108693077A (en) * | 2018-04-13 | 2018-10-23 | 辽宁工程技术大学 | A kind of Multifunctional buildings plume dispersion experimental provision and its experimental method |
| CN108877455A (en) * | 2018-07-16 | 2018-11-23 | 公安部上海消防研究所 | A kind of modularization fire of high-rise building experiment simulator |
| CN110033685A (en) * | 2019-03-26 | 2019-07-19 | 上海海事大学 | A kind of fire test platform |
| CN114137145A (en) * | 2021-11-17 | 2022-03-04 | 国消(天津)检测技术有限公司 | Fire test device and method for external curtain wall system |
| CN114910603A (en) * | 2022-05-17 | 2022-08-16 | 应急管理部天津消防研究所 | Fire comprehensive simulation experiment platform and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108693077A (en) * | 2018-04-13 | 2018-10-23 | 辽宁工程技术大学 | A kind of Multifunctional buildings plume dispersion experimental provision and its experimental method |
| CN108877455A (en) * | 2018-07-16 | 2018-11-23 | 公安部上海消防研究所 | A kind of modularization fire of high-rise building experiment simulator |
| CN110033685A (en) * | 2019-03-26 | 2019-07-19 | 上海海事大学 | A kind of fire test platform |
| CN114137145A (en) * | 2021-11-17 | 2022-03-04 | 国消(天津)检测技术有限公司 | Fire test device and method for external curtain wall system |
| CN114910603A (en) * | 2022-05-17 | 2022-08-16 | 应急管理部天津消防研究所 | Fire comprehensive simulation experiment platform and method |
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