CN201335832Y - Fire resistance test device for complete support full-scale two-way reinforced concrete slab - Google Patents
Fire resistance test device for complete support full-scale two-way reinforced concrete slab Download PDFInfo
- Publication number
- CN201335832Y CN201335832Y CNU2009200990260U CN200920099026U CN201335832Y CN 201335832 Y CN201335832 Y CN 201335832Y CN U2009200990260 U CNU2009200990260 U CN U2009200990260U CN 200920099026 U CN200920099026 U CN 200920099026U CN 201335832 Y CN201335832 Y CN 201335832Y
- Authority
- CN
- China
- Prior art keywords
- reinforced concrete
- acquisition system
- fire
- slab
- data acquisition
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model provides a fire resistance test device for complete support full-scale two-way reinforced concrete slabs. The test device comprises a furnace body, a support device, a counter force loading device and a data acquisition system; the furnace body is arranged below the reinforced concrete slab, the counter force loading device is arranged above the reinforced concrete slab, the reinforced concrete slab is arranged on the support device, and the data acquisition system is arranged on the reinforced concrete slab and the furnace body. The utility model can better carry out fire hazard tests for complete support full-scale two-way reinforced concrete slab, carry out firing tests by simulating real fire hazards, test the fire resistance limit of the complete support full-scale two-way reinforced concrete slab and research the working mechanism of the fire resistance test device under fire hazards.
Description
(1) technical field
The utility model relates to the building structure technical field of preventing and reducing natural disasters, and is specifically related to a kind of anti-fire test device that carries out the peripheral support full-size steel reinforced concrete two-way slab of various working.
(2) background technology
In recent years, the number of times of China's building fire and loss are high always, and a lot of especially big and fire disasters have taken place, and reason on fire, situation more complicated and fire fighting difficulty are big.Under existence conditions, the fire resistance of research existing structure and the anti-fiery ability that how improves building structure, member by appropriate design are the important topics of current building fire area research.
Armoured concrete slab is most important horizontal supporting member, not only at tier building, skyscraper, even in high-rise building by widespread usage, be one of member that is most widely used.At present China is in rapid economic development period, dwelling house and other buildings of annual billions of square metres are constantly built up, wherein two-way slab occupies very big ratio, therefore the fire behavior of studying steel reinforced concrete two-way slab just seems particularly important, and its achievement in research will be significant to the performance design and guidance fire-fighting of the anti-fire of the building structure work of recovering.The utility model provides a kind of anti-fire test device that can carry out the peripheral support full-size steel reinforced concrete two-way slab of various working, the fire endurance of the full-size steel reinforced concrete two-way slab that can be used for measuring Zhou Zhicheng under fire effect, temperature field, structural response (distortion, sidesway, end reaction etc.) etc.
In the existing test, most of fire tests all are to adopt the building structure and the member of reduced scale to carry out, because size effect, and the relation of film effect etc., the performance index existence that produces under gained building structure and the member performance index under fire and the actual fire is than big difference.Seek out the best of building structure and member fire endurance, temperature field and the structural response etc. under fire effect, last assessment, then must carry out full scale test.
(3) summary of the invention
The purpose of this utility model is to provide a kind of can carry out the peripheral support full-size steel reinforced concrete two-way slab fire test preferably, be subjected to the fire test with the simulation natural fire, the peripheral support full-size steel reinforced concrete two-way slab fire-resistant test unit of the fire endurance of test peripheral support full-size steel reinforced concrete two-way slab and its working mechanism under fire of research.
The purpose of this utility model is achieved in that it comprises body of heater, stand apparatus, counter-force charger, four parts of data acquisition system (DAS), body of heater is arranged on the armoured concrete slab below, the counter-force charger is arranged on the armoured concrete slab top, armoured concrete slab is arranged on the stand apparatus, and data acquisition system (DAS) is arranged on armoured concrete slab and the body of heater.
The utility model also has some technical characterictics like this:
1, described body of heater comprises furnace outer wall, the stove inwall, oil feed line, water circulation pipe, smokejack, thermopair, ignition burner, automatic Ignition module control system and cable tubing, body of heater is divided into three districts, each district is provided with 3 ignition burners, thermopair is arranged on the stove inwall near the ignition burner side, form the loop around the oil feed line of body of heater and external fuel tank, each ignition burner place all is provided with blower fan, each blower fan place all is provided with the oil well pump that connects oil feed line, each district is provided with two smokejacks, smokejack is located at underground, two smokejacks are at last in the underground Yu Yichu that closes, via external chimney the flue gas that produces in the process of the test is discharged, each smokejack is the water pipe of a corresponding water circulation pipe all, and the Ignition module control system connects ignition burner automatically;
2, described furnace outer wall, stove inwall are provided with flame-observing hole;
3, described stand apparatus comprises bearing or freely-supported bearing admittedly, admittedly bearing forms by two-layered steel plates up and down, weldable steel roller bearing between two block plates up and down, the freely-supported bearing by about two-layered steel plates form, between two block plates steel ball is set up and down;
4, described counter-force charger comprises reaction frame, reaction frame is arranged on the armoured concrete slab top by steel column and lifting jack, armoured concrete slab is arranged on the body of heater top by stand apparatus, be provided with load sensor between reaction frame and the lifting jack, be provided with steel I-beam and two steel roller bearings between lifting jack and the armoured concrete slab;
5, described automatic Ignition module control system places within the pulpit on body of heater next door, and all leads that are arranged in the body of heater are connected in the overhead control case of pulpit by cable tubing, are connected to the automatic control of computer realization igniting at last;
6, described data acquisition system (DAS) comprises the concrete temperature and the reinforcing bar temperature acquisition system of connecting reinforcement concrete slab, the displacement acquisition system, the boundary constraint data acquisition system (DAS), acoustic emission acquisition system and vibration acquisition system, concrete temperature and reinforcing bar temperature acquisition system comprise the thermopair that is arranged in the armoured concrete slab, thermopair is connected with data acquisition instrument by lead, data acquisition instrument is connected with computing machine, the displacement acquisition system comprises displacement transducer, displacement transducer connects data acquisition instrument, the boundary constraint acquisition system comprises load sensor, steel plate, girder steel and lifting jack, load sensor is fixed between lifting jack and the reaction frame, and link to each other with data acquisition instrument, acoustic emission acquisition system and vibration acquisition system comprise the sensor that is arranged on the steel reinforced concrete two-way slab, and sensor links to each other with data acquisition instrument;
7, described stand apparatus is arranged on the furnace outer wall, places fiber fire prevention felt plate on the stove inwall, and the height of fiber fire prevention felt plate is higher than the height of stand apparatus.
Implementation method concrete steps of the present utility model are: at first, according to the suitable body of heater of characteristics design-build of peripheral support full-size steel reinforced concrete two-way slab, wherein, inboard wall of furnace body adopts the fire resistive material protection, and interior outer furnace wall is provided with flame-observing hole; Then, the reasonable Arrangement bearing, armoured concrete slab is rationally in place, reaction frame is set, according to the constraint condition of two-way slab, utilize reaction frame to apply corresponding boundary constraint, utilize loading blocks that test specimen is applied trial load; At last, connect measuring system, igniting begins test, and the automatic control system of trial furnace is gathered furnace temperature and furnace pressure simultaneously, the control real time temperature makes furnace temperature heat up the relevant parameter of armoured concrete slab in the acquisition system acquisition test process of temperature, displacement etc. according to the standard heating curve.
The utility model comprises some technical characterstics like this:
1, described body of heater can carry out the fire test of the peripheral support full-size steel reinforced concrete two-way slab of various working, has versatility.
2, have a plurality of subregions in the described body of heater, but according to the size of full size two-way slab can singly distinguish use also multi-region use together, have bigger dirigibility.
3, temperature adopts the thermocouple measurement of armouring K type in the described stove, can monitor in real time temperature in the stove, and can regulate at any time, makes the interior temperature of stove can well meet international ISO384 standard heating curve or other relevant heating curve.
4, the position of described reaction frame can be adjusted flexibly according to size, the form of armoured concrete slab.
5, described support style can be according to the size form flexible arrangement of armoured concrete slab.
The utility model is the test unit that a cover can carry out the peripheral support full-size steel reinforced concrete two-way slab fire test preferably, be subjected to the fire test with the simulation natural fire, the fire endurance of test peripheral support full-size steel reinforced concrete two-way slab and its working mechanism under fire of research are for the structural design based on fire safety provides foundation.The beneficial effects of the utility model have: the utility model can be applicable to the fire test of peripheral support full-size steel reinforced concrete two-way slab preferably, can fire hazard environment that is virtually reality like reality preferably, thereby the research of carrying out the steel reinforced concrete two-way slab fire-resistant performance of science more is for the proposition of the anti-fiery method for designing of steel reinforced concrete two-way slab provides reliable test data.
(4) description of drawings
Fig. 1 is the furnace binding floor map.
Fig. 2-Fig. 4 is Fig. 1 furnace binding facade, diagrammatic cross-section, and wherein Fig. 2 is the A-A face synoptic diagram of Fig. 1, and Fig. 3 is the B-B diagrammatic cross-section of Fig. 1, and Fig. 4 is the C-C diagrammatic cross-section of Fig. 1.
Fig. 5 is a reaction frame structural plan synoptic diagram.
Fig. 6, Fig. 7 are reaction frame structure elevational schematic view, and wherein Fig. 6 is the C-D face synoptic diagram of Fig. 5, and Fig. 7 is the A-B face synoptic diagram of Fig. 5.
Fig. 8-Fig. 9, Figure 10-Figure 11 are the node synoptic diagram of counterforce device and bearing, and Fig. 8-Fig. 9 is bearing synoptic diagram admittedly, and Figure 10-Figure 11 is a freely-supported bearing synoptic diagram.
(5) embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments:
In conjunction with Fig. 1-Figure 11, present embodiment comprises body of heater 24, stand apparatus, the counter-force charger, four parts of data acquisition system (DAS), oven body part comprises furnace outer wall 1, stove inwall 2, oil feed line 3, water circulation pipe 4, smokejack 5, thermopair 6, ignition burner 7, automatic Ignition module control system, cable tubing 8 etc., wherein thermopair 6 is used for testing temperature in the body of heater, stand apparatus comprises bearing or freely-supported bearing admittedly, the counter-force charger comprises reaction frame 9 etc., and data acquisition system (DAS) comprises the concrete temperature and the reinforcing bar temperature acquisition system of armoured concrete slab 16, the displacement acquisition system, the boundary constraint data acquisition system (DAS), acoustic emission acquisition system and vibration acquisition system
Wherein the measurement of concrete and reinforcing bar temperature at first is that thermopair is pre-buried to armoured concrete slab the inside, be connected with data acquisition instrument with the line of lead thermopair, at last data acquisition instrument is connected with computer, test figure is gathered by computer control.The displacement acquisition system is arranged in the corresponding measuring point that will measure with displacement transducer, and the line of displacement transducer is connected to data acquisition instrument, at last data acquisition instrument is connected with computer, by computer control test figure is gathered.The boundary constraint acquisition system at first is at the good steel plate of side point location arrangements, girder steel lifting jack etc., and load sensor is fixed between lifting jack and the reaction frame, load sensor is linked to each other with data acquisition instrument again, connects data acquisition instrument and computer at last.Acoustic emission all is in corresponding measuring point placement sensor with vibration, connects sensor and corresponding data acquisition instrument, connects data acquisition instrument and computer at last.
The course of work is: parameters such as the temperature that produces in process of the test, displacement, data collecting instrument carries out data acquisition by respective sensor, shows on computers at last and preserves data.
Body of heater 24 is divided into I, II, three districts of III, each district is provided with 3 ignition burners 7, thermopair 6 is arranged on the stove inwall near ignition burner 7 sides, around the oil feed line 3 of body of heater and external fuel tank 10 formation loops, each ignition burner 7 place all is provided with blower fan 11, each blower fan 11 place all is provided with the oil well pump that connects oil feed line 3, each district is provided with two smokejacks 5, smokejack 5 is located at underground, two smokejacks 5 are at last in the underground Yu Yichu that closes, via external chimney the flue gas that produces in the process of the test is discharged, each smokejack 5 is the water pipe of a corresponding water circulation pipe 4 all; The furnace wall is provided with flame-observing hole 12; Automatically the Ignition module control system places within the pulpit 13 on test body of heater next door, and the lead of all trial furnace instruments is connected in the overhead control case of pulpit 13 by cable tubing 8, is connected to the automatic control of computer realization igniting at last; Reaction frame 9 is arranged on armoured concrete slab 16 tops by steel column 14 and lifting jack 15, armoured concrete slab 16 is arranged on the body of heater top by stand apparatus, be provided with load sensor 17 between reaction frame 9 and the lifting jack 15, be provided with steel I-beam 18 and two steel roller bearings 19 between lifting jack 15 and the armoured concrete slab 16; Stand apparatus is made up of upper steel plate 20 and lower steel plate 21, up and down weldable steel roller bearing 22 or placement steel ball 23 between two block plates; Stand apparatus is arranged on the furnace outer wall 1, places fiber fire prevention felt plate on stove inwall 2, and the height of fiber fire prevention felt plate is higher than the height of stand apparatus.
Present embodiment is implemented according to the following steps:
(1) according to the factor such as size of peripheral support full-size steel reinforced concrete two-way slab, rationally determine the position of plate on body of heater, quantity, the position of nozzle are evenly arranged in the fire area of steel reinforced concrete two-way slab, flue, thermopair etc. all can be worked preferably.
(2) determine to use the bearing of which kind of form according to the form of peripheral support full-size steel reinforced concrete two-way slab, bearing, fiber PLASTIC LAMINATED felt is good according to form, the location arrangements of plate.
(3) the lifting steel reinforced concrete two-way slab is in place, according to the position of plate, the position that form is adjusted reaction frame, utilizes reaction frame that plate is carried out boundary constraint, utilizes loading blocks that plate is applied trial load.
(4) connection line, debugged various device after, begin the test, image data.
Concrete operations are as follows:
(1) full-size steel reinforced concrete two-way slab that props up admittedly of design adjacent side freely-supported adjacent side is of a size of 7750mm * 5500mm, its position on body of heater as shown in Figure 5, at each side of the fire area inner furnace body of plate 4 boccas that evenly distribute, flue, thermopair all are in the effective working range, can well discharge fume, temperature survey.
(2) form, the size of bearing, freely-supported bearing pressing board are arranged in the relevant position admittedly, lay fiber fire prevention felt plate at the stove inwall.
(3) with the steel reinforced concrete two-way slab hoisted in position, utilize loading blocks to apply uniform trial load, utilize reaction frame that consolidating of plate aided the border areas and carry out boundary constraint, as Fig. 5-shown in Figure 11.
(4) connect temperature circuit, displacement circuit, acoustic emission and vibration circuit etc., commissioning device prepares to begin test.
(5) igniting begins test, gathers the related experiment parameter.
Claims (8)
1, a kind of peripheral support full-size steel reinforced concrete two-way slab fire-resistant test unit, it is characterized in that it comprises body of heater, stand apparatus, counter-force charger, four parts of data acquisition system (DAS), body of heater is arranged on the armoured concrete slab below, the counter-force charger is arranged on the armoured concrete slab top, armoured concrete slab is arranged on the stand apparatus, and data acquisition system (DAS) is arranged on armoured concrete slab and the body of heater.
2, peripheral support full-size steel reinforced concrete two-way slab fire-resistant test unit according to claim 1, it is characterized in that described body of heater comprises furnace outer wall, the stove inwall, oil feed line, water circulation pipe, smokejack, thermopair, ignition burner, automatic Ignition module control system and cable tubing, body of heater is divided into three districts, each district is provided with 3 ignition burners, thermopair is arranged on the stove inwall near the ignition burner side, form the loop around the oil feed line of body of heater and external fuel tank, each ignition burner place all is provided with blower fan, each blower fan place all is provided with the oil well pump that connects oil feed line, each district is provided with two smokejacks, smokejack is located at underground, two smokejacks are at last in the underground Yu Yichu that closes, via external chimney the flue gas that produces in the process of the test is discharged, each smokejack is the water pipe of a corresponding water circulation pipe all, and the Ignition module control system connects ignition burner automatically.
3, peripheral support full-size steel reinforced concrete two-way slab fire-resistant test unit according to claim 2 is characterized in that described furnace outer wall, stove inwall are provided with flame-observing hole.
4, peripheral support full-size steel reinforced concrete two-way slab fire-resistant test unit according to claim 3, it is characterized in that described stand apparatus comprises bearing or freely-supported bearing admittedly, admittedly bearing is made up of two-layered steel plates up and down, weldable steel roller bearing between two block plates up and down, the freely-supported bearing is made up of two-layered steel plates up and down, between two block plates steel ball is set up and down.
5, peripheral support full-size steel reinforced concrete two-way slab fire-resistant test unit according to claim 4, it is characterized in that described counter-force charger comprises reaction frame, reaction frame is arranged on the armoured concrete slab top by steel column and lifting jack, armoured concrete slab is arranged on the body of heater top by stand apparatus, be provided with load sensor between reaction frame and the lifting jack, be provided with steel I-beam and two steel roller bearings between lifting jack and the armoured concrete slab.
6, peripheral support full-size steel reinforced concrete two-way slab fire-resistant test unit according to claim 5, it is characterized in that described automatic Ignition module control system places within the pulpit on body of heater next door, all leads that are arranged in the body of heater are connected in the overhead control case of pulpit by cable tubing, are connected to the automatic control of computer realization igniting at last.
7, peripheral support full-size steel reinforced concrete two-way slab fire-resistant test unit according to claim 6, it is characterized in that described data acquisition system (DAS) comprises the concrete temperature and the reinforcing bar temperature acquisition system of connecting reinforcement concrete slab, the displacement acquisition system, the boundary constraint data acquisition system (DAS), acoustic emission acquisition system and vibration acquisition system, concrete temperature and reinforcing bar temperature acquisition system comprise the thermopair that is arranged in the armoured concrete slab, thermopair is connected with data acquisition instrument by lead, data acquisition instrument is connected with computing machine, the displacement acquisition system comprises displacement transducer, displacement transducer connects data acquisition instrument, the boundary constraint acquisition system comprises load sensor, steel plate, girder steel and lifting jack, load sensor is fixed between lifting jack and the reaction frame, and link to each other with data acquisition instrument, acoustic emission acquisition system and vibration acquisition system comprise the sensor that is arranged on the steel reinforced concrete two-way slab, and sensor links to each other with data acquisition instrument.
8, peripheral support full-size steel reinforced concrete two-way slab fire-resistant test unit according to claim 7, it is characterized in that described stand apparatus is arranged on the furnace outer wall, place fiber fire prevention felt plate on the stove inwall, the height of fiber fire prevention felt plate is higher than the height of stand apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200990260U CN201335832Y (en) | 2009-01-24 | 2009-01-24 | Fire resistance test device for complete support full-scale two-way reinforced concrete slab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200990260U CN201335832Y (en) | 2009-01-24 | 2009-01-24 | Fire resistance test device for complete support full-scale two-way reinforced concrete slab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201335832Y true CN201335832Y (en) | 2009-10-28 |
Family
ID=41287487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200990260U Expired - Fee Related CN201335832Y (en) | 2009-01-24 | 2009-01-24 | Fire resistance test device for complete support full-scale two-way reinforced concrete slab |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201335832Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101477109B (en) * | 2009-01-24 | 2013-03-27 | 哈尔滨工业大学 | Column support full-size steel reinforced concrete two-way slab fire-resistant tester and implementing method thereof |
| CN104677940A (en) * | 2015-01-30 | 2015-06-03 | 中国矿业大学 | Reinforced concrete shell fire resistance testing system |
| CN107727681A (en) * | 2017-09-05 | 2018-02-23 | 中国矿业大学 | A kind of inclined armoured concrete slab anti-fire test device |
| CN112557441A (en) * | 2020-11-30 | 2021-03-26 | 西南石油大学 | Experimental platform and method for influence of gas pipeline fire injection on safety of adjacent liquid hydrocarbon pipes |
| RU2757863C1 (en) * | 2020-12-21 | 2021-10-21 | ФЕДЕРАЛЬНОЕ ГОСУДАРСТВЕННОЕ БЮДЖЕТНОЕ УЧРЕЖДЕНИЕ "ВСЕРОССИЙСКИЙ ОРДЕНА "ЗНАК ПОЧЕТА" НАУЧНО-ИССЛЕДОВАТЕЛЬСКИЙ ИНСТИТУТ ПРОТИВОПОЖАРНОЙ ОБОРОНЫ МИНИСТЕРСТВА РОССИЙСКОЙ ФЕДЕРАЦИИ ПО ДЕЛАМ ГРАЖДАНСКОЙ ОБОРОНЫ, ЧРЕЗВЫЧАЙНЫМ СИТУАЦИЯМ И ЛИКВИДАЦИИ ПОСЛЕДСТВИЙ СТИХИЙНЫХ БЕДСТВИЙ" (ФГБУ ВНИИПО МЧС России) | Universal system for support and loading of tunnel lining tubes for fire resistance testing |
-
2009
- 2009-01-24 CN CNU2009200990260U patent/CN201335832Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101477109B (en) * | 2009-01-24 | 2013-03-27 | 哈尔滨工业大学 | Column support full-size steel reinforced concrete two-way slab fire-resistant tester and implementing method thereof |
| CN104677940A (en) * | 2015-01-30 | 2015-06-03 | 中国矿业大学 | Reinforced concrete shell fire resistance testing system |
| CN107727681A (en) * | 2017-09-05 | 2018-02-23 | 中国矿业大学 | A kind of inclined armoured concrete slab anti-fire test device |
| CN107727681B (en) * | 2017-09-05 | 2020-12-25 | 中国矿业大学 | Reinforced concrete slab fire resistance test device of slope |
| CN112557441A (en) * | 2020-11-30 | 2021-03-26 | 西南石油大学 | Experimental platform and method for influence of gas pipeline fire injection on safety of adjacent liquid hydrocarbon pipes |
| RU2757863C1 (en) * | 2020-12-21 | 2021-10-21 | ФЕДЕРАЛЬНОЕ ГОСУДАРСТВЕННОЕ БЮДЖЕТНОЕ УЧРЕЖДЕНИЕ "ВСЕРОССИЙСКИЙ ОРДЕНА "ЗНАК ПОЧЕТА" НАУЧНО-ИССЛЕДОВАТЕЛЬСКИЙ ИНСТИТУТ ПРОТИВОПОЖАРНОЙ ОБОРОНЫ МИНИСТЕРСТВА РОССИЙСКОЙ ФЕДЕРАЦИИ ПО ДЕЛАМ ГРАЖДАНСКОЙ ОБОРОНЫ, ЧРЕЗВЫЧАЙНЫМ СИТУАЦИЯМ И ЛИКВИДАЦИИ ПОСЛЕДСТВИЙ СТИХИЙНЫХ БЕДСТВИЙ" (ФГБУ ВНИИПО МЧС России) | Universal system for support and loading of tunnel lining tubes for fire resistance testing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101477108B (en) | Peripheral support full-size steel reinforced concrete two-way slab fire-resistant tester and its implementing method | |
| CN101477109B (en) | Column support full-size steel reinforced concrete two-way slab fire-resistant tester and implementing method thereof | |
| CN104677940B (en) | A kind of reinforced concrete shell Fire-resistance test system | |
| CN201335832Y (en) | Fire resistance test device for complete support full-scale two-way reinforced concrete slab | |
| CN104215653B (en) | System for testing fire resistance of reinforced concrete plate under effect of boundary restriction by utilizing jack | |
| CN100390357C (en) | Analogue experiment stand for interreaction of tunnel structure, surrounding rock and underground water | |
| CN204228643U (en) | Fire-resistance test system is retrained in continuous-reinforced slab face | |
| CN107402226B (en) | Fire resistance test device and method for concrete roof of underground space structure | |
| CN101413937B (en) | Anti-fire test device of restrained beam | |
| CN204241476U (en) | Constraint armoured concrete slab Fire-resistance test system in very heavy end face | |
| CN103324797A (en) | Test and analysis method for overall fire resistance of high-rise steel frame structure | |
| CN107478677A (en) | Spring, damper boundary constraint multiple constraint armoured concrete slab Fire-resistance test system | |
| CN107655757B (en) | The performance detection pilot system of floor after a kind of failure of pillar | |
| CN201298038Y (en) | Flame-against experiment device for concrete multi-span continuous beam or board | |
| CN108152122A (en) | A kind of Fire-resistance test system of Reinforced Concrete Cantilever Beams component | |
| CN106969933A (en) | The mechanism for testing that immersed tube tunnel is deformed when a kind of unilateral passage catches fire | |
| CN101131343A (en) | High-temperature mechanical property testing system of annular tunnel lining structure system | |
| CN108061667B (en) | Method for realizing fire resistance performance testing device of combined floor system | |
| CN204536242U (en) | Reinforced concrete shell Fire-resistance test system | |
| CN101408536A (en) | Fire-proof test device of concrete multi-span continues beam or plate | |
| CN207396385U (en) | A kind of underground space structure concrete roof anti-fire test device | |
| CN112146912A (en) | Tunnel multi-catastrophe comprehensive simulation test system | |
| CN206339352U (en) | A kind of electromechanical equipment anti-seismic detection device | |
| CN106198620A (en) | A kind of structural elements temperature rise experimental provision and using method | |
| CN201335780Y (en) | Fire resistance test device for post support full-scale two-way reinforced concrete slab |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091028 Termination date: 20100224 |