CN108181191A - A kind of rigidity beam column and beam column built from concrete multinode fatigue to failure test device - Google Patents
A kind of rigidity beam column and beam column built from concrete multinode fatigue to failure test device Download PDFInfo
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- CN108181191A CN108181191A CN201711223636.2A CN201711223636A CN108181191A CN 108181191 A CN108181191 A CN 108181191A CN 201711223636 A CN201711223636 A CN 201711223636A CN 108181191 A CN108181191 A CN 108181191A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
- G01N3/36—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by pneumatic or hydraulic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/22—Investigating strength properties of solid materials by application of mechanical stress by applying steady torsional forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0021—Torsional
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0073—Fatigue
Abstract
The invention discloses a kind of rigidity beam columns and beam column built from concrete multinode fatigue to failure test device, including steel frame system, electro-hydraulic servo actuator, test beam column and trial furnace, the experiment beam column is positioned over inside trial furnace, the steel frame system is arranged in trial furnace periphery, it is also equipped with horizontal fatigue load device successively between the steel frame system and experiment beam column, vertical fatigue load device and torsional fatigue load means, the horizontal fatigue load device is arranged in the horizontal direction of experiment beam column, the vertical fatigue load device is mounted on the vertical direction of experiment beam column, the torsional fatigue load means are arranged on the top of experiment beam column.The present invention disclosure satisfy that rigidity beam column and beam column built from concrete by eccentric tension fatigue load, eccentric size can be by requirement of experiment sets itself, column cap need to only be changed and test the relative position of beam column, rigidity beam column and beam column built from concrete, the nodes fatigue to failure test device such as ╋ types, T-shaped, L-type can also be met.
Description
Technical field
The present invention relates to building structure fire-resistance field more particularly to a kind of rigidity beam column and beam column built from concrete multinode fatigues
Failure test device.
Background technology
In recent years, with Chinese national economy fast development, China has built up large-scale, large number of ground
The infrastructure such as iron, bridge, factory, in subway station since locomotive passes through on rail and since subway station inner structure is big
Mostly in underground and complicated, also there is a situation where the interaction of levels rail, so producing very big fatigue load, together
Sample gets on the car to travel in bridge is also applied with crossstructure the fatigue load for not advising side cycle repeatedly, and factory is due to large size
The use of machinery similarly produces fatigue load to mill construction.And subway station mostly using greatly across structure, in order to full
Sufficient Structure of need form is also very complicated, and flow of the people is especially big in subway station, node failure consequence is caused to can't bear once fire occurs
Imagine, so the node fatigue load research for subway station is extremely important.
Such as on November 18th, 1987 is happened at London subway king's cross station, and fire incident together has occurred,
The dead a large amount of injuries to personnel of 31 people are caused, at dusk, are had occurred in the subway of provincial capital Baku of Azerbaijan October 28 nineteen ninety-five
One fire incident, accident cause dead 265 people of 289 people injured.Under these cruel accidents and China is just in high speed development
The personnel in let us scientific research fire direction feel that mission is great under iron cause, and strong node Weak link is provided just in existing specification
It can be seen that in the importance of engineering interior joint, in subway station building structure due to usually by serious fatigue load, and save
Point is exactly connected to all supporting members, and node destroys under fire, fatigue load and the static load effect of itself,
Whether so existing specification meets design requirement, is just worth further investigation.
Based on research bean column node before by horizontal fatigue load, vertical fatigue load, torsional fatigue load and fire phase
Mutually separated research, so steel beam columns under fire condition beam column and the fatigue rupture of beam column built from concrete multinode under research fire are particularly
It is important.
Invention content
In view of above-mentioned deficiencies of the prior art, the present invention provides a kind of rigidity beam column and beam column built from concrete multinode fatigue is broken
Bad experimental rig, the experimental rig can be carried out at the same time fire test tensile fatigue and torsional fatigue failure experiment.
Technical scheme is as follows：
A kind of rigidity beam column and beam column built from concrete multinode fatigue to failure test device, wherein, including steel frame system, electricity
Liquid servo actuator, experiment beam column and trial furnace, the experiment beam column are positioned over inside trial furnace, the steel frame system arrangement
In trial furnace periphery, horizontal fatigue load device, vertical fatigue are also equipped between the steel frame system and experiment beam column successively
Load means and torsional fatigue load means, the horizontal fatigue load device is arranged in the horizontal direction of experiment beam column, described
Vertical fatigue load device is mounted on the vertical direction of experiment beam column, and the torsional fatigue load means are arranged on experiment beam column
Top.
The rigidity beam column and beam column built from concrete multinode fatigue to failure test device, wherein, the steel framework frame body
System includes reaction frame column, steel frame crossbeam, steel frame, steel frame column and I word cant beams, and the reaction frame column is positioned over
Steel frame crossbeam is simultaneously overlapped on steel frame column by trial furnace both sides, and the steel frame anchors to steel framework with high-strength bolt and erects
On column, the I words cant beam is fusion welded on steel frame column, and the steel frame crossbeam is fusion welded on steel frame column.
The rigidity beam column and beam column built from concrete multinode fatigue to failure test device, wherein, the level fatigue
Load means and vertical fatigue load device include electro-hydraulic servo actuator, steel structure, joint shaft supporting block and billet, described
Firm backing plate is welded on steel frame, and the electro-hydraulic servo actuator is installed on steel frame crossbeam, the electro-hydraulic servo actuator
End is connect with steel structure, steel structure one end connecting joint drive tab, and the joint shaft supporting block is used for electro-hydraulic servo
Actuator is to the horizontal fatigue load of experiment beam column.
The rigidity beam column and beam column built from concrete multinode fatigue to failure test device, wherein, the torsional fatigue
Load means include connecting lever beam, joint shaft supporting block, steel structure, electro-hydraulic servo actuator, and the connecting lever beam is by steel pipe and steel framework
It sets a roof beam in place composition, steel-pipe welding is in end on steel-frame beam, and shorter than experiment beam column clear length, the billet are positioned over length
On rigidity ground, the steel structure is positioned on electro-hydraulic servo actuator, and the joint shaft supporting block is used to connect electro-hydraulic servo
Actuator and steel-frame beam.
The rigidity beam column and beam column built from concrete multinode fatigue to failure test device, wherein, the fire test
Stove include armored concrete side walls, reinforced concrete canopy, thermal insulation board, temperature sensor, thermocouple, steel wire, insulating layer,
Heating element, ventilation opening, Braced Frames, the Braced Frames, temperature sensor and armored concrete side walls are positioned over
On rigid ground, the ventilation opening is set to below armored concrete side walls, and the insulating layer is affixed on armored concrete side wall
Wall inner wall, the heating element are set on insulating layer, and the thermocouple is attached at experiment beam column surface, and the steel wire is used for
Concrete fragment delamination damage heating element when preventing fire, the reinforced concrete canopy and thermal insulation board are set to reinforced concrete
The top of native side walls.
The rigidity beam column and beam column built from concrete multinode fatigue to failure test device, wherein, the electro-hydraulic servo
Actuator include compared with branch pedestal, displacement sensor, electrohydraulic servo valve, piston rod, load transducer, rotatable washer, command signal,
Amplification system, servant brake, oil sources, loader, sensor, reponse system are adjusted, it is described to be connected on billet compared with branch pedestal, it is real
Existing electro-hydraulic servo actuator is not by steel frame system twisting action, institute's displacement sensors, electrohydraulic servo valve, piston rod, load
Sensor, rotatable washer install connection successively, described instruction signal for adjust amplification system, servant brake, oil sources, loader,
Sensor, reponse system.
Advantageous effect：Compared with prior art, steel beam columns under fire condition beam column and beam column built from concrete multinode fatigue rupture of the present invention
Experimental rig is first to formulate testing program, determines eccentric size, size, node type, the connection mode of the beam column of research
Deng then beam column is positioned in Fire Furnace, is preloaded with hydraulic servo actuator, treats that entire infrastructure comes into full contact with
Afterwards, trial furnace power-supply controller of electric is opened, heats up by certain heating curve to bean column node, experimental study pair may be simulated unexpectedly
Probable fire lower stress situation carries out beam column horizontal tired cowherb load, vertical fatigue load and torsional fatigue load, together
When Binding experiment material such as steel construction rigid material, the concrete material of armored concrete, bar material is under temperature change
Mechanical properties decrease, since adhesive property situation of change of high temperature a variety of materials etc. causes destruction of a node mechanism to be combined.
Description of the drawings
Fig. 1 is the horizontal frontal plane figure of rigidity beam column and beam column built from concrete multinode fatigue to failure test device.
Fig. 2 is that rigidity beam column and beam column built from concrete multinode fatigue to failure test device do not advise side gusset horizontal frontal plane figure.
Fig. 3 is the Fire Furnace detail drawing of rigidity beam column and beam column built from concrete multinode fatigue to failure test device.
Fig. 4 is the A-A sectional views of rigidity beam column and beam column built from concrete multinode fatigue to failure test device.
Fig. 5 is the connecting lever beam detail drawing of rigidity beam column and beam column built from concrete multinode fatigue to failure test device.
Fig. 6 is the electro-hydraulic servo actuator detail drawing of rigidity beam column and beam column built from concrete multinode fatigue to failure test device.
Fig. 7 is that the electro-hydraulic servo actuator loading of rigidity beam column and beam column built from concrete multinode fatigue to failure test device is detailed
Figure.
Fig. 8 is the ╋ type joints detail drawings of rigidity beam column and beam column built from concrete multinode fatigue to failure test device.
Fig. 9 is the T-shaped joints detail drawing of rigidity beam column and beam column built from concrete multinode fatigue to failure test device.
Figure 10 is the L-type joints detail drawing of rigidity beam column and beam column built from concrete multinode fatigue to failure test device.
1- electro-hydraulic servo actuators；11- is compared with branch pedestal；12- displacement sensors；13- electrohydraulic servo valves；14- piston rods；
15- load transducers；16- rotatable washers；17- command signals；18- adjusts amplification system；19- servant brakes；110- oil sources；111-
Loader；112 sensors；113- reponse systems；2- trial furnaces；22- armored concrete side walls；23- reinforced concrete canopies；
26- thermal insulation boards；27- electronic boxs；28- power-supply controller of electric；25- temperature sensors；24- thermocouples；211- steel wires；210- is kept the temperature
Layer；29- heating elements；212- ventilation openings；3- steel frame systems；31- reaction frame columns；The horizontal fatigue load devices of 4-；41- is erected
Straight fatigue load device；43- torsional fatigue load means；42- heavy wall square steel tubes；51- steel frames；54- steel structures；61- steel
Vierendeel girder；62- connecting lever beams；63- steel pipes；7- joint shaft supporting blocks；8- tests beam column；85- column caps；91- billets；10- supporting steels
Frame；111- steel frame columns；113- steel frame crossbeams；114-I word cant beams.
Specific embodiment
Embodiments of the present invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ", " up time
The orientation or position relationship of the instructions such as needle ", " counterclockwise " are based on orientation shown in the drawings or position relationship, are for only for ease of
The description present invention and simplified description rather than instruction imply that signified device or element must be with specific orientation, Yi Te
Fixed azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, term " first ", " second " are only used for
Purpose is described, and it is not intended that instruction or hint relative importance or the implicit quantity for indicating indicated technical characteristic.
" first " is defined as a result, and the feature of " second " can be expressed or implicitly includes one or more feature.
In description of the invention, " multiple " are meant that two or more, unless otherwise specifically defined.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or be integrally connected；It can
To be mechanical connection or electrical connection or can mutually communicate；It can be directly connected, it can also be by between intermediary
It connects connected, can be the interaction relationship of connection inside two elements or two elements.For the ordinary skill of this field
For personnel, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature it " on " or it " under "
It can be in direct contact including the first and second features, it is not to be in direct contact but pass through it that can also include the first and second features
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " top " and " above " including first spy
Sign is right over second feature and oblique upper or is merely representative of fisrt feature level height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " immediately below second feature and obliquely downward or be merely representative of including fisrt feature
Fisrt feature level height is less than second feature.
Following disclosure provides many different embodiments or example is used for realizing the different structure of the present invention.In order to
Simplify disclosure of the invention, hereinafter the component of specific examples and setting are described.Certainly, they are merely examples, and
And it is not intended to limit the present invention.In addition, the present invention can in different examples repeat reference numerals and/or reference letter,
This repetition is for purposes of simplicity and clarity, itself not indicate between discussed various embodiments and/or setting
Relationship.In addition, the present invention provides various specific techniques and material example, but those of ordinary skill in the art can be with
Recognize the application of other techniques and/or the use of other materials.
Fig. 1 to Figure 10 shows the structure diagram of a preferred embodiment of the invention, a kind of rigidity beam column and coagulation
Native beam column multinode fatigue to failure test device, including steel frame system 3, electro-hydraulic servo actuator 1, experiment beam column 8 and experiment
Stove 2, experiment beam column 8 are positioned over inside trial furnace 2, and steel frame system 3 is arranged in trial furnace periphery, in steel frame system 3 and examination
It tests between beam column 8 and is additionally provided with horizontal fatigue load device 4, vertical fatigue load device 41 and torsional fatigue load means 43, water
Flat-tired labor load means 4 are arranged in the horizontal direction of experiment beam column 8, and vertical fatigue load device 41 is mounted on experiment beam column 8
Vertical direction, torsional fatigue load means 43 are arranged on the top of experiment beam column 8.
With reference to Fig. 1, Fig. 2, Fig. 4, illustrate that present embodiment steel frame system 3 includes two reaction frame columns 31, two steel
Cruciform bracing 113；Three steel frames 51, two steel frame columns 111；Two I words cant beams 114.Two reaction frame columns 31 are put
It puts and steel frame crossbeam 113 is overlapped on two steel frame columns 111 on 2 both sides of trial furnace, the high-strength spiral shell of three steel frames 51
Bolt is anchored on two steel frame columns 111, and then two steel frame columns 111 are placed on the ground of enough rigidity,
Two I words cant beams 114 are fusion welded on two steel frame columns 111, and a steel frame crossbeam 113 is then fusion welded to two steel frameworks
It erects and a steel frame system is formed on column 111, if lower end can be changed into steel frame 51 by not advising side gusset fatigue test
Into the steel frame of dome-type.
With reference to Fig. 1, figure, 4, Fig. 6, Fig. 8, Fig. 9, Figure 10, illustrate the horizontal fatigue load device 4 of present embodiment and vertical tired
Labor load means 41 include 1 steel structure 54 of electro-hydraulic servo actuator, joint shaft supporting block 7, billet 91, first in the horizontal direction
Firm backing plate 91 is welded on steel frame 51, then electro-hydraulic servo actuator 1 is installed on steel frame crossbeam 111, is watched electro-hydraulic
1 end connection constraints girder steel 54 of actuator is taken, then in 54 one end connecting joint drive tab 7 of steel structure, joint shaft supporting block 7 is in fact
Existing electro-hydraulic servo actuator 1 is to the only horizontal fatigue load of experiment beam column.First billet 91 is welded in vertical direction
Electro-hydraulic servo actuator 1 is installed in joint shaft supporting block 7 again on steel frame 51, oscillating bearing block 7 is put into billet by lower end
On 91.First billet 91 is welded on steel frame 51 in vertical direction, electro-hydraulic servo actuator 1 is installed to oscillating bearing again
On block 7, lower end is put into oscillating bearing block 7 on billet 91, in order to meet irregular node, steel frame 51 can also be changed into
Lower end is in the steel frame of dome-type, is bolted on electro-hydraulic servo actuator 1, can realize vertical fatigue at any angle
On load action to experiment beam column.
With reference to Fig. 1, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, illustrate present embodiment torsional fatigue load means
43 include 62 joint shaft supporting block of connecting lever beam, 7 steel structure, 54 electro-hydraulic servo actuator 1, have four steel pipes 63 and one on connecting lever beam
Steel-frame beam 61 forms, and four steel pipes 63 are welded to tip length on steel-frame beam 61 and do not test 8 clear length of beam column shorter than generally,
Billet 91 is positioned on rigidity ground place again electro-hydraulic servo actuator 1 again steel structure 54 be placed into electro-hydraulic servo make
On dynamic device 1, electro-hydraulic servo actuator 1 and steel-frame beam 61 are connected to form a torsional fatigue lotus with joint shaft supporting block 7
Carry experimental provision 43.
With reference to Fig. 1, illustrate present embodiment trial furnace 2 include armored concrete side walls 22, reinforced concrete canopy 23,
Thermal insulation board 26, electronic box 27, power-supply controller of electric 28, temperature sensor 25, thermocouple 24, steel wire 211, insulating layer 210, heating unit
Part 29, ventilation opening 212, Braced Frames 10 place Braced Frames 10 in rigid ground and build armored concrete side walls 22 by laying bricks or stones
While empirically require place temperature sensor 25, lower section set ventilation opening 212 armored concrete inner wall paste insulating layer
210, heating element 29 is set on insulating layer 210, and on 8 surface of experiment beam column, the patch steel wire 211 of thermocouple 24 prevents fire
When concrete fragment delamination damage heating element 29, then connect electronic box 27 and power-supply controller of electric 28, finally cover reinforced concrete
Native head cover 23 and thermal insulation board 26.
With reference to Fig. 1, Fig. 8, Fig. 9, Figure 10, illustrate that present embodiment experiment beam column 8 includes column cap 85, heavy wall square steel 42, steel
Backing plate 91, pour experiment beam column when pour simultaneously column cap 85 by column cap 85 in advance it is inbuilt be bolted in joint shaft supporting block 7,
In order to realize different type node fatigue load experimental provision, this experimental rig can also be connected with heavy wall square steel 42 and billet 91
It connects in joint shaft supporting block 7, realizes different type node fatigue load, and test beam column 8 either reinforced concrete beam column
It can be rigidity beam column again, finally block steel pipe 63 and column cap 85 and trial furnace armored concrete side walls 22 and reinforcing bar with rock wool
Gap between concrete head cover 23.
With reference to Fig. 6, Fig. 7, illustrate present embodiment electro-hydraulic servo actuator 1 include compared with branch pedestal 11, displacement sensor 12,
Electrohydraulic servo valve 13, piston rod 14, load transducer 15, rotatable washer 16, command signal 17, adjustment amplification system 18, servo
Lock 19, oil sources 110, loader 111, sensor 112, reponse system 113 will be connected on billet 91 in fact compared with branch pedestal, 11
Existing electro-hydraulic servo actuator 1 is not by 3 twisting action of steel frame system, then by 12 electrohydraulic servo valve of displacement sensor, 13 piston rod
14 load transducer, 15 rotatable washer 16 is installed successively, then connection constraints steel framework 54, and amplification system is adjusted with command signal 17
18th, servant brake 19, oil sources 110, loader 111, sensor 112, reponse system 113 realize electro-hydraulic servo actuator 1 empirically
It is required that work.
Steel beam columns under fire condition beam column and beam column built from concrete multinode fatigue to failure test device of the present invention is first to formulate experiment side
Case determines the eccentric size of beam column of research, size, node type, connection mode etc., beam column is then positioned over fire
It in trial furnace, is preloaded with hydraulic servo actuator, after entire infrastructure comes into full contact with, opens the control of trial furnace power supply
Device heats up to bean column node by certain heating curve, may simulate experimental study unexpectedly to probable fire lower stress feelings
Shape carries out beam column horizontal tired cowherb load, vertical fatigue load and torsional fatigue load, in combination with experiment material such as steel knot
The rigid material of structure, the concrete material of armored concrete, mechanical properties decrease of the bar material under temperature change, due to height
Adhesive property situation of change of warm a variety of materials etc. causes destruction of a node mechanism to be combined.
It should be understood that the application of the present invention is not limited to the above, it, can for the normal technician of this field
To be improved or converted according to the above description, all these modifications and variations should all belong to the guarantor of appended claims of the present invention
Protect range.
Claims (6)
1. a kind of rigidity beam column and beam column built from concrete multinode fatigue to failure test device, which is characterized in that including steel framework frame body
System, electro-hydraulic servo actuator, experiment beam column and trial furnace, the experiment beam column are positioned over inside trial furnace, the steel framework frame body
System is arranged in trial furnace periphery, is also equipped with horizontal fatigue load device between the steel frame system and experiment beam column successively, erects
Straight fatigue load device and torsional fatigue load means, the horizontal fatigue load device are arranged in the level side of experiment beam column
To the vertical fatigue load device is mounted on the vertical direction of experiment beam column, and the torsional fatigue load means are arranged on examination
Test the top of beam column.
2. rigidity beam column according to claim 1 and beam column built from concrete multinode fatigue to failure test device, feature exist
In the steel frame system includes reaction frame column, steel frame crossbeam, steel frame, steel frame column and I word cant beams, institute
It states reaction frame column to be positioned over trial furnace both sides and steel frame crossbeam is overlapped on steel frame column, the steel frame is with high-strength
Bolt is anchored on steel frame column, and the I words cant beam is fusion welded on steel frame column, and the steel frame crossbeam is fusion welded to steel framework
It erects on column.
3. rigidity beam column according to claim 1 and beam column built from concrete multinode fatigue to failure test device, feature exist
In the horizontal fatigue load device and vertical fatigue load device include electro-hydraulic servo actuator, steel structure, joint shaft
Supporting block and billet, the firm backing plate are welded on steel frame, and the electro-hydraulic servo actuator is installed on steel frame crossbeam, institute
It states electro-hydraulic servo actuator end to connect with steel structure, steel structure one end connecting joint drive tab, the joint shaft
Supporting block is for electro-hydraulic servo actuator to the horizontal fatigue load of experiment beam column.
4. rigidity beam column according to claim 1 and beam column built from concrete multinode fatigue to failure test device, feature exist
In the torsional fatigue load means include connecting lever beam, joint shaft supporting block, steel structure, electro-hydraulic servo actuator, described to turn
Arm beam is made of steel pipe and steel-frame beam, and steel-pipe welding does not test beam column clear length shorter than in end on steel-frame beam, length,
The billet is positioned on rigidity ground, and the steel structure is positioned on electro-hydraulic servo actuator, the joint shaft supporting block
For connecting electro-hydraulic servo actuator and steel-frame beam.
5. rigidity beam column according to claim 1 and beam column built from concrete multinode fatigue to failure test device, feature exist
In the Fire Furnace includes armored concrete side walls, reinforced concrete canopy, thermal insulation board, temperature sensor, thermoelectricity
Idol, steel wire, insulating layer, heating element, ventilation opening, Braced Frames, the Braced Frames, temperature sensor and reinforcing bar mix
Solidifying soil side walls are positioned on rigid ground, and the ventilation opening is set to below armored concrete side walls, the insulating layer patch
In armored concrete side walls inner wall, the heating element is set on insulating layer, and the thermocouple is attached at experiment beam column table
Face, concrete fragment delamination damage heating element when the steel wire is for preventing fire, the reinforced concrete canopy and guarantor
Warm plate is set to the top of armored concrete side walls.
6. rigidity beam column according to claim 3 and beam column built from concrete multinode fatigue to failure test device, feature exist
In, the electro-hydraulic servo actuator include compared with branch pedestal, displacement sensor, electrohydraulic servo valve, piston rod, load transducer,
Rotatable washer, command signal, adjustment amplification system, servant brake, oil sources, loader, sensor, reponse system, it is described compared with fork group
Seat is connected on billet, realizes electro-hydraulic servo actuator not by steel frame system twisting action, institute's displacement sensors, electro-hydraulic
Servo valve, piston rod, load transducer, rotatable washer install connection successively, and described instruction signal is used to adjust amplification system, watch
Take lock, oil sources, loader, sensor, reponse system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711223636.2A CN108181191B (en) | 2017-11-29 | 2017-11-29 | Multi-node fatigue failure testing device for rigid beam column and concrete beam column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711223636.2A CN108181191B (en) | 2017-11-29 | 2017-11-29 | Multi-node fatigue failure testing device for rigid beam column and concrete beam column |
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| Publication Number | Publication Date |
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| CN108181191A true CN108181191A (en) | 2018-06-19 |
| CN108181191B CN108181191B (en) | 2020-07-07 |
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| CN201711223636.2A Active CN108181191B (en) | 2017-11-29 | 2017-11-29 | Multi-node fatigue failure testing device for rigid beam column and concrete beam column |
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|---|---|---|---|---|
| CN109030253A (en) * | 2018-08-02 | 2018-12-18 | 太原理工大学 | Round steel pipe extremely low cycle fatigue experimental rig and plastic deformation acquisition method |
| CN109060541A (en) * | 2018-06-22 | 2018-12-21 | 中国十七冶集团有限公司 | A kind of steel-concrete combination beam detection device and its application method |
| CN109238667A (en) * | 2018-07-30 | 2019-01-18 | 中国建筑股份有限公司 | The condition controlling device and control method of test component space sidewise restraint load |
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| CN111579265A (en) * | 2020-05-22 | 2020-08-25 | 西安建筑科技大学 | Static test device for researching collapse resistance of space steel frame composite beam column structure |
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| CN110243701A (en) * | 2019-07-05 | 2019-09-17 | 山东科技大学 | A kind of Bolted Rock Masses torsional shear test device and method |
| CN110595919A (en) * | 2019-07-19 | 2019-12-20 | 江阴市建鑫金属有限公司 | Method for testing fatigue strength of steel bar welded mesh |
| CN110907299A (en) * | 2019-11-21 | 2020-03-24 | 中国矿业大学 | Main cable multipoint variable load bending fatigue monitoring device and monitoring method thereof |
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| CN111058493A (en) * | 2019-12-24 | 2020-04-24 | 郑州大学 | One-way servo push-cover test frame equipment for assembled wallboard and use method |
| CN111579265A (en) * | 2020-05-22 | 2020-08-25 | 西安建筑科技大学 | Static test device for researching collapse resistance of space steel frame composite beam column structure |
| CN111579265B (en) * | 2020-05-22 | 2022-03-15 | 西安建筑科技大学 | Static test device for researching collapse resistance of space steel frame composite beam column structure |
| CN115711809A (en) * | 2022-11-15 | 2023-02-24 | 山东科技大学 | System and method for testing anchoring performance of full-size rock mass anchor rod under composite load |
| CN115711809B (en) * | 2022-11-15 | 2023-08-18 | 山东科技大学 | System and method for testing anchoring performance of full-size rock mass anchor rod under composite load |
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