CN205788846U - A kind of tunnel fire hazard experimental simulation device of burning things which may cause a fire disaster variable-ratio motion - Google Patents
A kind of tunnel fire hazard experimental simulation device of burning things which may cause a fire disaster variable-ratio motion Download PDFInfo
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- CN205788846U CN205788846U CN201521110285.0U CN201521110285U CN205788846U CN 205788846 U CN205788846 U CN 205788846U CN 201521110285 U CN201521110285 U CN 201521110285U CN 205788846 U CN205788846 U CN 205788846U
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Abstract
The utility model discloses the tunnel fire hazard experimental simulation device of a kind of burning things which may cause a fire disaster variable-ratio motion, including: tunnel main body, traction power parts and for holding the dolly of simulation fire source, the bottom of tunnel main body is provided with the track moved for dolly, traction power parts include motor and change speed gear box, dolly connects rope, and rope is connected to motor through pulley and change speed gear box;The top board inwall of tunnel main body and/or plate inner wall are provided with the chute being perpendicular to tunnel main body longitudinal axis, and at least one sidewall of tunnel main body can move along chute;Measuring instrument, exhaust blower and ventilation blower it is provided with in tunnel main body.It is many that this utility model can change factor, is suitable for research range wide, comprehensive relatively good.Additionally the operation of this experiment porch also has the advantages such as simple, repeatability is strong.
Description
Technical field
The present invention relates to technical field of fire hazard safety, especially relate to about a kind of burning things which may cause a fire disaster variable-ratio
The tunnel fire hazard experimental simulation device of motion.
Background technology
Along with the quickening of Development of Urbanization, ground space and traffic all receive greatly restriction.In
It is the important channel having developed into the problem of solution to underground, in recent years, the underground such as tunnel main body
Facility is developed rapidly.But simultaneously because the complexity of tunnel agent structure and particularity,
It is faced with great security challenge, especially fire problem.
The current research to tunnel main body fire is mainly by theoretical derivation or analysis, small size
Tunnel main body experiment porch and large scale or full-scale tunnel main body experiment porch.Due to tunnel master
The complexity of body fire, only can not be well solved by theoretical derivation or analysis;Greatly
Size and full-scale tunnel main body experiment porch can react natural fire process, but its border
Condition is difficult to strictly control, repeatable poor.Small size tunnel main body imitative experiment platform tool
There are the advantages such as reproducible, measurement is accurate, are the more satisfactory means of tunnel main body fire research.
About small size tunnel main body imitative experiment platform, domestic and international experts and scholars have done a lot of work
Make.France Vauquelin et al. establishes the vcehicular tunnel agent model of a 1:20, size
For l0m (length)/50cm (wide)/25cm (high), there is square-section.The height of tunnel main body and width
Degree can realize continuously adjusting, and the tunnel main body gradient can also be at-20 °~20 °, model tunnel
Being mounted with vertical and horizontal ventilating system in road main body, this test model is not provided with burning things which may cause a fire disaster, main
Will study for flow of flue gas, its flue gas uses the mixture of air and helium to carry out mould
Intend.JaeSeongRoh of Korea S et al. also establishes tunnel, the arc top agent model of 1:20,
A length of 10m, height and width are 0.4m.Tunnel main body wall uses 0.01m thickness
Transparent organic glass is made, and has carried out enhanced protection, one end of model tunnel main body in burning things which may cause a fire disaster section
With a small size wind-tunnel is connected, can carry out longitudinal ventilation, fan outlet is mounted with screens,
It is beneficial to produce uniform and stable wind speed.Domestic Fire Science worker is also for long and narrow limited
Space fire establishes some experiment porch, and Wuhan University has built up the small size arc top of 1:20
Tunnel main body, this test model road surface width 0.465m, the clear height on road surface to vault is 0.322m,
A length of 13m, burning things which may cause a fire disaster section rustless steel cylinder protects, and remaining position is plexiglass cylinder.
Central South University establishes the vcehicular tunnel agent model of the 1:10 of long 52.5m, is used for studying spy
Long-highway-tunnel main body longitudinal direction purging mode and the effectiveness of individual row flue central exhaust pattern.
But, current small size tunnel main body imitative experiment platform there is also some and urgently improves
Place, such as:
(1) wide and high size is the least.The width of major part tunnel main body simulation experiment platform and
Height is all within 1m, and wide and high is undersized, and effect of boundary layer can to flue gas straight up
Parameter distribution cause certain impact, the accuracy of simulation experiment causes certain impact.
(2) burning things which may cause a fire disaster is fixed.The present stage research major part of tunnel main body fire rests on fixing
On burning things which may cause a fire disaster, the research to mobile burning things which may cause a fire disaster is fewer.Owing to the mobility of vehicle makes tunnel main body
Fire occurring, the likelihood ratio of mobile burning things which may cause a fire disaster is higher, so the mobile burning things which may cause a fire disaster of research more has reality meaning
Justice.
(3) speed controlling moving burning things which may cause a fire disaster is poor.In the experiment of the mobile burning things which may cause a fire disaster of some researchs,
The regulation of its speed relies on manually regulation, and speed can not remain stable, and size changes relatively difficult.
(4) suitable means are not had to simulate around burning things which may cause a fire disaster or the impact of thermal source.Fire occurs
Time, often there is many places ignition point, have heat radiation, thermal convection current etc. from each other and act on mutual shadow
Ring.Though having many simulation experiments in view of this problem, the double burning things which may cause a fire disaster combustion characteristics of research, but
Burning things which may cause a fire disaster size, intensity controllability are poor.
Summary of the invention:
The purpose of this utility model is to provide the tunnel fire hazard experiment of a kind of burning things which may cause a fire disaster variable-ratio motion
Analog, it is possible to move burning things which may cause a fire disaster offer for tunnel main body and stablize adjustable speed, and tunnel master
Body space is adjustable tunnel main body experimental simulation device, to overcome problem present in background technology.
To achieve these goals, the technical solution of the utility model is:
A kind of tunnel fire hazard experimental simulation device of burning things which may cause a fire disaster variable-ratio motion, including: tunnel main body,
Traction power parts and for holding the dolly of simulation fire source, the bottom of tunnel main body is provided with for little
The track that car moves, traction power parts include motor and change speed gear box, and dolly connects rope,
Rope be connected to motor through pulley and change speed gear box;The top board inwall of tunnel main body and/or base plate
Inwall is provided with the chute being perpendicular to tunnel main body longitudinal axis, and at least one sidewall of tunnel main body can
Move along chute;Measuring instrument, exhaust blower and ventilation blower it is provided with in tunnel main body.
It is preferred that the bottom surface of tunnel main body is provided with at least two groups thousand along the length direction of tunnel main body
Jin top, often group includes two along the tunnel symmetrically arranged jack of main body longitudinal axis.
It is preferred that sidewall is provided with the raised structures corresponding with runner position.
It is preferred that measuring instrument includes anemobiagraph, heat-flow meter, temperature measuring set and flue gas analysis
Instrument.
It is preferred that temperature measuring set is provided with array temperature element, including horizontal by temperature element frame
To the first temperature element group arranged and the second longitudinally disposed temperature element group, temperature element bag
Including thermocouple, the probe of flue gas analyzer is arranged on temperature element frame.
It is preferred that exhaust blower and ventilation blower are separately positioned at tunnel main body two-port, exhaust blower
Including mechanical smoke extraction blower fan, ventilation blower includes longitudinal ventilation blower fan.
It is preferred that be provided with radiant panel inside top board.
It is preferred that the bottom surface of tunnel main body connects support base, support base and be provided with strap brake
The universal wheel of device.
It is preferred that the material of sidewall uses lucite.
It is preferred that the material that top board and base plate use is PLASTIC LAMINATED.
The beneficial effects of the utility model are: utilize rope can manually change and fix dolly
Position, and conveniently learn the particular location of burning things which may cause a fire disaster, in order to research burning things which may cause a fire disaster is in tunnel main body
Diverse location on fire and the impact of flue gas;Simultaneously dolly through rope cross pulley and motor and
Change speed gear box is connected, and motor and change speed gear box can provide for dolly stablizes adjustable speed, in order to
The mobile burning things which may cause a fire disaster operating mode in tunnel main body of research, overcomes hand traction speed uneven and become
The problems such as speed difficulty.The width of tunnel main body can change, by removable side along sliding tray
Mobile, change the width of tunnel main body, thus study width to fire and smoke movement
Impact, the most different types of tunnel main body, the ratio of width to height is different, can be used to study not
Same tunnel type of subject.The inner side of tunnel top body plate is mounted with radiant panel, can regulate not
Same radiant intensity, studies the shadow to burning things which may cause a fire disaster fire of the thermal source with or without thermal source and varying strength
Ring.The bottom of tunnel main body is provided with jack, utilizes the flexible of jack to regulate tunnel master
The gradient of body, this regulative mode is simple, easy to operate.One end of tunnel main body is arranged
Longitudinal ventilation blower fan, can study wind speed size to fire and flue gas by changing wind speed
Impact;The other end of tunnel main body is provided with mechanical smoke extraction blower fan, in order to smoke evacuation.This practicality
Novel to change factor many, are suitable for research range wide, comprehensive relatively good.Additionally this experiment is put down
Platform operation also has the advantages such as simple, repeatability is strong.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of this utility model embodiment,
Fig. 2 is the structure diagram of the tunnel main body of this utility model embodiment,
Fig. 3 is PLASTIC LAMINATED and the sliding tray schematic diagram of this utility model embodiment.
Fig. 4 is the sliding type schematic diagram of this utility model embodiment,
Fig. 5 is the tunnel body width regulation schematic diagram of this utility model embodiment,
Fig. 6 is the tunnel main body gradient regulation schematic diagram of this utility model embodiment,
Fig. 7 is the trolley moving device schematic diagram of this utility model embodiment,
Fig. 8 is each measuring instrument distribution schematic diagram of this utility model embodiment,
Fig. 9 is the first temperature element group and flue gas of the lateral arrangement of this utility model embodiment
Analyser Probe arrangement schematic diagram,
Figure 10 is that the second temperature element group layout being longitudinally arranged of this utility model embodiment is shown
It is intended to.
In figure: 1-dolly, 2-track, 3-tunnel main body, 4-sidewall, 5-top board, 6-chute,
7-video camera, 8-radiant panel, 9-jack, 10 support bases, 11-pulley, 12-rope,
13-change speed gear box, 14-motor, 15-ventilation blower, 16-exhaust blower, 17-anemobiagraph, 18-thermometric unit
Part, 19-flue gas analyzer, 20-temperature element frame, 21-heat-flow meter.
Detailed description of the invention
With embodiment, this utility model is described further below in conjunction with the accompanying drawings.
A kind of tunnel main body 3 fire test analog, include as shown in Figure 1 tunnel main body 3,
Traction power parts and for holding the dolly 1 of simulation fire source, the bottom of tunnel main body 3 is provided with
The track 2 moved for dolly 1, traction power parts include motor 14 and change speed gear box 13, as
Dolly 1 shown in Fig. 7 connects rope 12, and rope 12 connects through pulley 11, change speed gear box 13
In motor 14;Guide rail is bolted on bottom tunnel main body 3, in order to dismounting, little
Car 1 is arranged on track 2, and motor 14 and variator provide for dolly 1 stablizes adjustable speed
Degree;Dolly 1 carries burning things which may cause a fire disaster and is used at tunnel main body 3 internal motion, motor 14 along track 2
Power, change speed gear box 13 is provided to be used for governing speed size.
Fig. 2 is the structure diagram of tunnel main body 3 main body, and tunnel main body 3 is steel structure frame,
Sturdy and durable, cross section is rectangle, the long 6m of the present embodiment tunnel main body 3, wide 2m, high 1.3m
Can need to increase tunnel main body 3 length by welding according to experiment, or change width;Sidewall 4
Material use lucite, there is good visuality, in order to observe and shoot, top board
5 and base plate use material be PLASTIC LAMINATED, use close between lucite, PLASTIC LAMINATED and steelframe
Envelope processes;This enforcement also includes video camera 7, claps for the sidewall 4 made through lucite
Take the photograph fire combustion process.
Radiant panel 8 is installed in the inner side of tunnel main body 3 top body plate, comes by changing radiant intensity
Research radiation is on fire and the impact of flue gas.
Top board 5 inwall and the plate inner wall of tunnel main body 3 is provided with and is perpendicular to tunnel as shown in Figure 3
The chute 6 of main body 3 longitudinal axis, at least one sidewall 4 of tunnel main body 3 can move along chute 6
Dynamic;Sidewall 4 is provided with the raised structures corresponding with chute 6 position, the sidewall that lucite is made
4 change the width of tunnel main body 3 by sliding along chute 6, in order to research tunnel main body
The impact on fire of 3 width.Moveable side walls 4 moves along sliding tray as shown in Figure 4, changes
Become the width of tunnel main body 3, tunnel main body 3 width pair can be studied by changing depth-width ratio
Fire and the impact of flue gas, it is also possible to be used for simulating different tunnel main body 3 types.Fig. 5 is
The present embodiment tunnel main body 3 width adjusting terminates rear schematic diagram (as a example by a width of 1m).Push away
Dynamic lucite slides at 1m along chute 6, fixes and carries out encapsulation process, it is possible to grinding
Studying carefully when tunnel main body 3 width is 1m, i.e. height is more than tunnel main body 3 fire working of width.
Chute 6 is specific as follows with coordinating of raised structures: raised structures selects suitable screw,
Head of screw diameter is made to be slightly less than sliding tray top half width and more than sliding tray the latter half,
Screw rod hammers in lucite, when needs slide, arrives with screwdriver or other work pine screws
To a certain degree, with hand propelled lucite sidewall 4 to required place, then tighten screw, Gu
Surely accommodate machine glass position, finally cover also by chute 6 with fritter PLASTIC LAMINATED or other sealing plates
Do encapsulation process.
Measuring instrument and exhaust blower 16 and ventilation blower 15 it is provided with in tunnel main body 3.
Measuring instrument includes anemobiagraph 17, heat-flow meter 21, temperature measuring set and flue gas analyzer
19.Temperature measuring set is provided with array temperature element 18, including horizontal by temperature element frame 20
The first temperature element 18 groups arranged and longitudinally disposed the second temperature element 18 groups, thermometric unit
Part 18 includes that thermocouple, the probe of flue gas analyzer 19 are arranged on temperature element frame 20.
Fig. 8 is each measurement and control instrument distribution schematic diagram, and thermocouple is used for measuring the change in temperature field,
High temperature anemobiagraph 17 is used for measuring wind speed size, and comprehensive flue gas analyzer 19 is used for monitoring gas
Composition, heat-flow meter 21 is used for measuring radiant intensity.
Fig. 9 is first temperature element 18 groups of lateral arrangement namely thermocouple and flue gas analyzer
19 Probe arrangement schematic diagrams, one of them thermocouple frame is arranged on tunnel main body 3 crown center
Position, another thermocouple frame is arranged on tunnel main body 3 top, two thermocouple frame phases
Away from 0.8m, the adjacent distance between two thermocouples is 0.5m, flue gas analyzer 19 at three
Visit point to be arranged on the temperature element frame 20 of tunnel main body 3 crown center position.
Figure 10 is that schematic diagram arranged by the second temperature element 18 groups being longitudinally arranged.Longitudinal thermocouple
Be arranged so as to measure the situation of longitudinal temperature field in tunnel main body 3, be provided with altogether three
Place, every between distance be 1.5m.
Exhaust blower 16 is mechanical smoke extraction blower fan, and ventilation blower 15 is longitudinal ventilation blower fan, sets respectively
Put at tunnel main body 3 two-port.Ventilation blower 15 can study different wind speed to fire
Impact, exhaust blower 16 is used for discharging the flue gas produced in burning things which may cause a fire disaster burning.
It is additionally provided with radiant panel 8 inside top board 5, is used for studying the impact that burning things which may cause a fire disaster is burnt by thermal source.
The bottom surface of tunnel main body 3 is provided with at least two group jack along the length direction of tunnel main body 3
9, often group includes two along the tunnel main body 3 symmetrically arranged jack of longitudinal axis 9.Utilize thousand
The flexible gradient changing tunnel main body 3 on jin top 9.Fig. 6 is that the gradient of tunnel main body 3 is adjusted
Joint schematic diagram.Stretching by jack 9, regulates the gradient of tunnel main body 3, regulates model
Enclose for-15 ° to 15 °.
The bottom surface of tunnel main body 3 connects support base 10, and supporting base 10 is steel angle structure
It is provided with the universal wheel of brake device, it is simple to overall movement and fixing;
In experiment, need the mobile burning things which may cause a fire disaster testing friction speed on fire spread and the impact of flue gas
Time, it is first according to laboratory rules and regulations and planning of experiment carries out the preparation before experiment,
Check and debug various instrument and equipments.This experiment is that the mobile burning things which may cause a fire disaster of simulation friction speed is to fire
Spreading the impact with flue gas, other conditions keep consistent.Debugging motor 14 and change speed gear box 13,
Experiment be provided with altogether 5 kinds of operating modes, speed be respectively set to 0.04m/s, 0.08m/s, 0.16m/s,
0.32m/s and 0.64m/s, experiment material is the flammable solid that five block size shapes are identical.Can
Combustion solid is placed on the burning rack of dolly 1, lights a fire after to be combusted stablizing, opens video camera 7,
Putting dolly 1 and start test, this working condition experimenting terminates, and is extinguished by fire, preserves the data gathered,
Cleaning tunnel main body 3, carries out the experiment of next operating mode.After five kinds of working condition experimentings terminate, analyze
Data, the impact on flue gas of the mobile burning things which may cause a fire disaster of research friction speed.
The different radiant intensity of needs test is on fire spread and the impact of flue gas, before carrying out experiment
Every preparation, this experiment is to fire spread and flue gas under the different radiant intensity of simulation
Impact.First debugging radiant panel 8, after plate 8 radiant intensity to be irradiated is stable, by flammable solid
Body is placed on dolly 1, dolly 1 is fixed in the middle part of tunnel main body 3, is lighted by flammable solid,
Then change the radiant intensity of radiant panel 8, proceed experiment.The number that ultimate analysis is gathered
According to, research radiant intensity is on burning things which may cause a fire disaster and the impact of flue gas.
Need test different tunnels main body 3 width on fire spread and when affecting of flue gas, carry out
Every preparation before experiment.Different tunnel main body 3 type height width and the size ratio of width
Being different, this experiment studies tunnel main body 3 width exactly to fire spread and the shadow of flue gas
Ring.Tunnel main body 3 height is 1.3m, and for this, experiment is provided with altogether four kinds of operating modes, respectively
It is when width is 1m, 1.3m, 1.6m, 2m, contains different tunnel main bodys 3 as far as possible high
Wide ratio.Experiment starts, and is placed on the burning rack of dolly 1 by flammable solid, then by little
It is internal that car 1 is fixed on tunnel main body 3, opens DV 7, lights flammable solid, opens
Begin to test.After this working condition experimenting terminates, cleaning tunnel main body 3, preserve the data gathered,
Carry out the experiment of next operating mode.After four kinds of working condition experimentings terminate, analytical data, study tunnel master
Body 3 width is for fire spread and the impact of flue gas.
It should be appreciated that for those of ordinary skills, can be according to the above description
Improved or converted, and all these modifications and variations all should be belonged to the appended power of this utility model
The protection domain that profit requires.Be not described in detail in this specification partly belongs to this area specialty
Prior art known to technical staff.
Claims (9)
1. the tunnel fire hazard experimental simulation device of a burning things which may cause a fire disaster variable-ratio motion, it is characterized in that, including: tunnel main body (3), traction power parts and for holding the dolly (1) of simulation fire source, the bottom in described tunnel main body (3) is provided with the track (2) for dolly (1) movement, described traction power parts include motor (14) and change speed gear box (13), described dolly (1) connect have rope (12), described rope (12) be connected to described motor (14) through pulley (11) and described change speed gear box (13);Top board (5) inwall in described tunnel main body (3) and/or plate inner wall are provided with the chute (6) being perpendicular to described tunnel main body (3) longitudinal axis, the sidewall (4) in described tunnel main body (3) is provided with the raised structures corresponding with described chute (6) position, and at least one described sidewall (4) in described tunnel main body (3) can be mobile along described chute (6);Measuring instrument, exhaust blower (16) and ventilation blower (15) it is provided with in described tunnel main body (3).
The tunnel fire hazard experimental simulation device of a kind of burning things which may cause a fire disaster variable-ratio the most according to claim 1 motion, it is characterized in that: the bottom surface in described tunnel main body (3) is provided with at least two group jack (9) along the length direction in described tunnel main body (3), and often group includes two along the described tunnel symmetrically arranged jack of main body (3) longitudinal axis (9).
The tunnel fire hazard experimental simulation device of a kind of burning things which may cause a fire disaster variable-ratio the most according to claim 1 motion, it is characterised in that: described measuring instrument includes anemobiagraph (17), heat-flow meter (21), temperature measuring set and flue gas analyzer (19).
The tunnel fire hazard experimental simulation device of a kind of burning things which may cause a fire disaster variable-ratio the most according to claim 3 motion, it is characterized in that: described temperature measuring set is provided with array temperature element (18), including being organized by first temperature element (18) of temperature element frame (20) horizontally set and longitudinally disposed the second temperature element (18) group, described temperature element (18) includes that thermocouple, the probe of described flue gas analyzer (19) are arranged on described temperature element frame (20).
The tunnel fire hazard experimental simulation device of a kind of burning things which may cause a fire disaster variable-ratio the most according to claim 1 motion, it is characterized in that: described exhaust blower (16) and described ventilation blower (15) are separately positioned at described tunnel main body (3) two-port, described exhaust blower (16) includes that mechanical smoke extraction blower fan, described ventilation blower (15) include longitudinal ventilation blower fan.
The tunnel fire hazard experimental simulation device of a kind of burning things which may cause a fire disaster variable-ratio the most according to claim 1 motion, it is characterised in that: described top board (5) inner side is provided with radiant panel (8).
The tunnel fire hazard experimental simulation device of a kind of burning things which may cause a fire disaster variable-ratio the most according to claim 1 motion, it is characterized in that: the bottom surface in described tunnel main body (3) connects has support base (10), described support base (10) to be provided with the universal wheel of brake device.
The tunnel fire hazard experimental simulation device of a kind of burning things which may cause a fire disaster variable-ratio the most according to claim 1 motion, it is characterised in that: the material of described sidewall (4) uses lucite.
The tunnel fire hazard experimental simulation device of a kind of burning things which may cause a fire disaster variable-ratio the most according to claim 1 motion, it is characterised in that: the material that described top board (5) and described base plate use is PLASTIC LAMINATED.
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CN108469350A (en) * | 2018-06-29 | 2018-08-31 | 重庆交通大学 | adjustable tunnel model test device |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN108091201B (en) * | 2017-12-27 | 2019-11-26 | 中国科学院长春光学精密机械与物理研究所 | A kind of target simulator of auxiliary exercise manipulation airborne photoelectric gondola |
CN108091201A (en) * | 2017-12-27 | 2018-05-29 | 中国科学院长春光学精密机械与物理研究所 | A kind of target simulator of auxiliary exercise manipulation airborne photoelectric gondola |
CN108469350A (en) * | 2018-06-29 | 2018-08-31 | 重庆交通大学 | adjustable tunnel model test device |
CN109611139A (en) * | 2018-10-29 | 2019-04-12 | 同济大学 | A kind of gravity-flow ventilation tunnel ventilation mechanism pilot system |
CN110310562A (en) * | 2019-05-29 | 2019-10-08 | 同济大学 | The double-deck major long tunnel fire emphasis smoke evacuation pilot system |
CN111175436B (en) * | 2020-03-02 | 2021-04-13 | 中南大学 | Experimental device for be used for simulating slot fire and put out a fire |
CN111175436A (en) * | 2020-03-02 | 2020-05-19 | 中南大学 | Experimental device for be used for simulating slot fire and put out a fire |
CN111780942A (en) * | 2020-07-23 | 2020-10-16 | 合肥工业大学 | Convenient dust removal and smoke exhaust wind tunnel experiment device and method capable of adjusting airflow angle |
CN113009067A (en) * | 2021-02-25 | 2021-06-22 | 中国矿业大学 | Tunnel structure multi-dimensional space loading fire test system and implementation method thereof |
CN113009067B (en) * | 2021-02-25 | 2022-01-14 | 中国矿业大学 | Tunnel structure multi-dimensional space loading fire test system and implementation method thereof |
CN113091798A (en) * | 2021-04-08 | 2021-07-09 | 清华大学合肥公共安全研究院 | Oil pan moving device for pipe gallery fire experiment |
CN113516880A (en) * | 2021-04-19 | 2021-10-19 | 北京工业大学 | Fire simulation device for variable V-shaped tunnel in centralized smoke exhaust mode |
CN115188253A (en) * | 2022-06-24 | 2022-10-14 | 福州大学 | Simulation equipment for arch tunnel fire test |
CN115188253B (en) * | 2022-06-24 | 2024-03-08 | 福州大学 | Simulation equipment for arch tunnel fire test |
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