CN111024817A - Earthquake-resistant structure experimental device for stainless steel reinforced concrete column and using method thereof - Google Patents

Earthquake-resistant structure experimental device for stainless steel reinforced concrete column and using method thereof Download PDF

Info

Publication number
CN111024817A
CN111024817A CN202010043100.8A CN202010043100A CN111024817A CN 111024817 A CN111024817 A CN 111024817A CN 202010043100 A CN202010043100 A CN 202010043100A CN 111024817 A CN111024817 A CN 111024817A
Authority
CN
China
Prior art keywords
reinforced concrete
stainless steel
steel reinforced
lower extreme
earthquake
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.)
Granted
Application number
CN202010043100.8A
Other languages
Chinese (zh)
Other versions
CN111024817B (en
Inventor
李清富
匡一航
郭威
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhengzhou University
Original Assignee
Zhengzhou University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhengzhou University filed Critical Zhengzhou University
Priority to CN202010043100.8A priority Critical patent/CN111024817B/en
Publication of CN111024817A publication Critical patent/CN111024817A/en
Application granted granted Critical
Publication of CN111024817B publication Critical patent/CN111024817B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04Analysing solids
    • G01N29/045Analysing solids by imparting shocks to the workpiece and detecting the vibrations or the acoustic waves caused by the shocks
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M7/00Vibration-testing of structures; Shock-testing of structures
    • G01M7/02Vibration-testing by means of a shake table
    • G01M7/027Specimen mounting arrangements, e.g. table head adapters
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M7/00Vibration-testing of structures; Shock-testing of structures
    • G01M7/02Vibration-testing by means of a shake table
    • G01M7/06Multidirectional test stands
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22Details, e.g. general constructional or apparatus details
    • G01N29/223Supports, positioning or alignment in fixed situation
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/22Investigating strength properties of solid materials by application of mechanical stress by applying steady torsional forces
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/02Indexing codes associated with the analysed material
    • G01N2291/023Solids
    • G01N2291/0232Glass, ceramics, concrete or stone

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Acoustics & Sound (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

The invention discloses an earthquake-resistant structure experimental device for a stainless steel reinforced concrete column and a using method thereof. The device has a reasonable structure, utilizes the support machine to generate longitudinal vibration force of the bottom of the pile, simultaneously utilizes the stretching mechanism to provide transverse and torsional force, improves the variable quantity of the test, improves the reliability of the test, can quickly clamp the stainless steel reinforced concrete column by utilizing the upper end fixing mechanism and the lower end fixing mechanism, ensures the environmental reliability during the test, and simultaneously avoids the danger when the stainless steel reinforced concrete column is broken.

Description

Earthquake-resistant structure experimental device for stainless steel reinforced concrete column and using method thereof
Technical Field
The invention relates to the field of earthquake-proof experiments of stainless steel reinforced concrete columns, in particular to an earthquake-proof structure experiment device for stainless steel reinforced concrete columns and a using method thereof.
Background
The stainless steel reinforced concrete column is characterized in that section steel is placed in a column to enhance the bearing capacity of the column in order to compress the section of the concrete column in a high-rise building, the section of the common section steel is in a cross shape and a square tube shape, and a basement and a foundation which are connected adopt a reinforced concrete structure. The reinforced concrete frame structure is usually required to be subjected to an anti-seismic experiment before actual bearing, and the anti-seismic performance of the reinforced concrete frame structure mainly depends on the anti-seismic performance of frame beams and columns. The beam column anti-seismic experiment is used for detecting the anti-seismic performance of a reinforced concrete frame structure, a low-cycle repeated load test needs to be carried out on reinforced concrete beams and column members during the experiment, the earthquake damage process and the damage degree of the members are researched, the crack width of each damage stage of the members and the peeling height of a concrete protective layer during the damage are recorded in detail, the influence rules of the axial compression ratio, the shear-span ratio and the reinforcement ratio of longitudinal bars on the ductility, the bearing capacity and the earthquake damage of the members are contrastively researched, and meanwhile, the members which are designed according to the earthquake resistant requirement and are designed without considering the earthquake resistant requirement are contrastively researched.
In the earthquake resistance test of the stainless steel reinforced concrete column, the earthquake is usually simulated only by arranging the vibration motor at the bottom and utilizing the power of the motor, but the general earthquake is composed of a plurality of conditions, the simple longitudinal vibration can not well simulate the earthquake, and the safety of peripheral personnel is also ensured when the stainless steel reinforced concrete column is used for the experiment.
Disclosure of Invention
The invention aims to solve the problems and provide an earthquake-proof structure experimental device for a stainless steel reinforced concrete column and a using method thereof.
The invention realizes the purpose through the following technical scheme:
stainless steel reinforced concrete is earthquake-resistant structure experimental apparatus for post, including fixed establishment, still including the power unit that is used for providing the shaking force and the upper end fixed establishment, the lower extreme fixed establishment who is used for fixed effect and the stretching mechanism, the supporting mechanism that are used for providing stability and support nature, fixed establishment inboard is connected two sets ofly the supporting mechanism, upper end the stretching mechanism inboard is connected upper end fixed establishment, lower extreme the stretching mechanism inboard is connected the supporting mechanism, the supporting mechanism inboard is connected lower extreme fixed establishment, the lower extreme fixed establishment lower extreme is connected power unit.
Preferably: the power mechanism comprises a driven chain wheel, a chain, a driving chain wheel and a first motor, the driven chain wheel is connected with the second vibration matching block of the supporting mechanism, the driving chain wheel is arranged on one side of the chain, the driven chain wheel is connected with the driving chain wheel through the chain, the driving chain wheel is connected with the first motor through a key, and the first motor is connected with the bearing seat of the supporting mechanism.
So set up, first motor drives driving sprocket the chain driven sprocket makes driven sprocket drives second vibrations cooperation piece, second vibrations cooperation piece with the cooperation of first vibrations cooperation piece can make first vibrations cooperation piece drives the solid fixed ring of lower extreme produces vibrations.
Preferably: the power mechanism comprises a worm wheel, a worm and a second motor, the worm wheel is connected with the second vibration matching block of the supporting mechanism, the worm wheel input end is connected with the worm, the worm input end is connected with the second motor, and the fixed end of the second motor is connected with the bearing seat of the supporting mechanism.
So set up, start the second motor, the second motor drives the worm with the worm wheel, thereby make the worm wheel drives second vibrations cooperation piece, second vibrations cooperation piece with the cooperation of first vibrations cooperation piece can make first vibrations cooperation piece drives the solid fixed ring of lower extreme produces vibrations.
Preferably: the fixing mechanism comprises a lower end fixing seat, an upper end fixing seat and a supporting column, wherein the upper end fixing seat is arranged on the upper side of the lower end fixing seat, and the lower end fixing seat and the upper end fixing seat are connected through the supporting column.
So set up, the lower extreme fixing base with the upper end fixing base plays fixedly stretching mechanism effect, the support column plays the connection effect.
Preferably: the stretching mechanism comprises a telescopic cylinder, a first connecting seat and a second connecting seat, the first connecting seat is connected with the bearing seat of the supporting mechanism or the upper end fixing mechanism of the upper end fixing ring, the second connecting seat is connected with the upper end fixing seat or the lower end fixing seat of the fixing mechanism, and the telescopic cylinder is connected between the first connecting seat and the second connecting seat.
So set up, the telescoping cylinder plays and provides horizontal power effect, guarantees the stability of inboard equipment again simultaneously.
Preferably: the supporting mechanism is including bearing seat, a supporting cylinder, supporting ball, slider, bear the seat lower extreme and connect a supporting cylinder, connect on the supporting cylinder the supporting ball, bear the inboard connection of seat the lower extreme fixed establishment the solid fixed ring of lower extreme, bear the seat with lower extreme fixed establishment be provided with between the solid fixed ring of lower extreme the slider, first vibrations cooperation piece is connected lower extreme fixed establishment the solid fixed ring lower extreme of lower extreme, second vibrations cooperation piece is connected first vibrations cooperation piece lower extreme, first vibrations cooperation piece inboard is provided with the sleeve, the spacing post of sleeve in-connection.
According to the arrangement, after the power mechanism drives the second vibration matching block, the power mechanism is matched with the first vibration matching block to generate vibration, the vibration strength is controlled according to the rotating speed of the power mechanism, and the supporting barrel and the supporting ball can support the bottom surface to provide supporting force.
Preferably: the upper end fixing mechanism comprises an upper end fixing ring, a clamping piston, a clamping handle and a piston groove, the upper end fixing ring is connected with four clamping pistons, the upper end fixing ring is provided with the piston groove between the clamping pistons, the upper end fixing ring is connected with the clamping handle, and an oil groove is formed between the upper end fixing ring and the clamping handle.
So set up, rotatory press from both sides tight handle, it can drive to press from both sides tight handle the inboard piston of oil groove promotes hydraulic oil to promote four it presss from both sides tight stainless steel reinforced concrete column to press from both sides tight piston.
Preferably: the lower end fixing mechanism comprises a lower end fixing ring, a clamping piston, a clamping handle and a piston groove, the lower end fixing ring is connected with four clamping pistons, the lower end fixing ring is provided with the piston groove between the clamping pistons, the upper end of the lower end fixing ring is connected with the clamping handle, and an oil groove is formed between the lower end fixing ring and the clamping handle.
So set up, the solid fixed ring of lower extreme provides the support nature, cooperates simultaneously the clamping piston provides effective clamping force.
Preferably: the supporting cylinder is connected with the bearing seat through welding, and the supporting ball is connected with the supporting cylinder in a rolling manner.
So set up, a supporting cylinder plays the supporting role, has guaranteed joint strength through the welding.
The use method of the earthquake-resistant structure experimental device for the stainless steel reinforced concrete column comprises the following steps:
a. when the stainless steel reinforced concrete column needs to be tested, the prefabricated stainless steel reinforced concrete column is placed between the upper end fixing ring and the lower end fixing ring, and then the two clamping handles are rotated, so that hydraulic oil in the oil groove pushes the clamping pistons on the upper end fixing ring and the lower end fixing ring, the clamping pistons clamp the stainless steel reinforced concrete column, and the clamping stability is guaranteed;
b. at the moment, the vibration in the vertical direction is simulated, the first motor is started to drive the driving chain wheel, the chain and the driven chain wheel, the driven chain wheel drives the second vibration matching block, the second vibration matching block is matched with the first vibration matching block, the first vibration matching block can drive the lower end fixing ring to vibrate, and the vibration stress condition of the stainless steel reinforced concrete column is observed;
c. or a second motor is started, the second motor drives a worm and a worm wheel, so that the worm wheel drives a second vibration matching block, the second vibration matching block is matched with the first vibration matching block, the first vibration matching block can drive the lower end fixing ring to vibrate, and the condition of the stainless steel reinforced concrete column after vibration stress is observed;
d. when the transverse vibration needs to be simulated, starting the telescopic cylinder at the upper end or the telescopic cylinder at the lower end to enable the stainless steel reinforced concrete column to be subjected to transverse stress in different directions, so that the stainless steel reinforced concrete column generates transverse vibration force and longitudinal vibration force to be combined, and observing the condition of the stainless steel reinforced concrete column after stress;
e. meanwhile, the combination of the telescopic cylinders at the upper ends and the telescopic cylinders at the lower ends can be started, so that twisting forces in different directions are generated, the variable quantity of the test is improved, and the reliability of the test is improved.
Compared with the prior art, the invention has the following beneficial effects:
1. the device has reasonable structure, utilizes the supporting mechanism to generate longitudinal vibration force at the bottom, and simultaneously utilizes the stretching mechanism to provide transverse and torsional force, thereby improving the variable quantity of the test and the reliability of the test;
2. utilize upper end fixed establishment, lower extreme fixed establishment just can the tight stainless steel reinforced concrete column of quick clamp, environmental reliability when having guaranteed the test avoids taking place danger when stainless steel reinforced concrete column fracture simultaneously.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a first structural schematic diagram of an earthquake-resistant structure experimental facility for a stainless steel reinforced concrete column according to the present invention;
FIG. 2 is a second structural diagram of the earthquake-resistant structure experimental facility for the stainless steel reinforced concrete column according to the present invention;
FIG. 3 is a schematic structural view of a bearing seat of the earthquake-resistant structure experimental facility for the stainless steel reinforced concrete column according to the present invention;
FIG. 4 is a schematic structural diagram of a supporting cylinder of the earthquake-resistant structure experimental device for the stainless steel reinforced concrete column according to the present invention;
FIG. 5 is a schematic structural view of an upper end fixing ring of the earthquake-resistant structure experimental device for the stainless steel reinforced concrete column according to the present invention;
FIG. 6 is a schematic structural view of a lower end fixing ring of the earthquake-resistant structure experimental device for the stainless steel reinforced concrete column according to the present invention;
FIG. 7 is a schematic diagram of an oil groove structure of the earthquake-resistant structure experimental device for the stainless steel reinforced concrete column according to the present invention;
FIG. 8 is a schematic structural view of a first vibration matching block of the earthquake-resistant structure experimental device for the stainless steel reinforced concrete column according to the present invention;
FIG. 9 is a schematic structural view of a telescopic cylinder of the earthquake-resistant structure experimental facility for the stainless steel reinforced concrete column according to the present invention;
FIG. 10 is a schematic structural view of a passive sprocket of the earthquake-resistant structure experimental facility for the stainless steel reinforced concrete column according to the present invention;
fig. 11 is a schematic view of a worm gear structure of the earthquake-resistant structure experimental device for the stainless steel reinforced concrete column.
The reference numerals are explained below:
1. a fixing mechanism; 2. a stretching mechanism; 3. a support mechanism; 4. an upper end fixing mechanism; 5. a lower end fixing mechanism; 6. a power mechanism; 11. a lower end fixing seat; 12. an upper end fixing seat; 13. a support pillar; 21. a telescopic cylinder; 22. a first connecting seat; 23. a second connecting seat; 31. a bearing seat; 32. a support cylinder; 33. a support ball; 34. a slider; 35. a first vibration mating block; 36. a second vibration fitting block; 37. a sleeve; 38. a limiting column; 41. an upper end fixing ring; 51. a lower end fixing ring; 52. a clamping piston; 53. a clamping handle; 54. a piston groove; 55. an oil sump; 61. a driven sprocket; 62. a chain; 63. a drive sprocket; 64. a first motor; 611. a worm gear; 612. a worm; 613. a second motor.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The invention will be further described with reference to the accompanying drawings in which:
stainless steel reinforced concrete is earthquake-resistant structure experimental apparatus for post, including fixed establishment 1, still including the power unit 6 that is used for providing the shaking force and the upper end fixed establishment 4 that is used for fixed effect, lower extreme fixed establishment 5 and the stretching mechanism 2 that is used for providing stability and support nature, supporting mechanism 3, two sets of supporting mechanism 3 are connected to fixed establishment 1 inboard, upper end fixed establishment 4 is connected to 2 inboard upper end stretching mechanism, 2 inboard connection supporting mechanism 3 of lower extreme stretching mechanism, 3 inboard connection lower extreme fixed establishment 5 of supporting mechanism, power unit 6 is connected to 5 lower extreme lower extremes of lower extreme fixed establishment.
Example 1
As shown in fig. 1-10, the power mechanism 6 includes a driven sprocket 61, a chain 62, a driving sprocket 63, and a first motor 64, the driven sprocket 61 is connected to the second vibration matching block 36 of the supporting mechanism 3, the driving sprocket 63 is disposed on one side of the chain 62, the driven sprocket 61 is connected to the driving sprocket 63 through the chain 62, the driving sprocket 63 is connected to the first motor 64, the first motor 64 is connected to the bearing seat 31 of the supporting mechanism 3, the first motor 64 drives the driving sprocket 63, the chain 62, and the driven sprocket 61, so that the driven sprocket 61 drives the second vibration matching block 36, and the second vibration matching block 36 is matched with the first vibration matching block 35, so that the first vibration matching block 35 drives the lower end fixing ring 51 to generate vibration; the fixing mechanism 1 comprises a lower end fixing seat 11, an upper end fixing seat 12 and a support column 13, wherein the upper end fixing seat 12 is arranged on the upper side of the lower end fixing seat 11, the lower end fixing seat 11 is connected with the upper end fixing seat 12 through the support column 13, the lower end fixing seat 11 and the upper end fixing seat 12 play a role in fixing the stretching mechanism 2, and the support column 13 plays a role in connection; the stretching mechanism 2 comprises a telescopic cylinder 21, a first connecting seat 22 and a second connecting seat 23, the first connecting seat 22 is connected with a bearing seat 31 of the supporting mechanism 3 or an upper end fixing ring 41 of the upper end fixing mechanism 4, the second connecting seat 23 is connected with an upper end fixing seat 12 or a lower end fixing seat 11 of the fixing mechanism 1, the telescopic cylinder 21 is connected between the first connecting seat 22 and the second connecting seat 23, the telescopic cylinder 21 plays a role of providing transverse power, and meanwhile, the stability of the equipment on the inner side is guaranteed; the supporting mechanism 3 comprises a bearing seat 31, a supporting cylinder 32, a supporting ball 33 and a sliding block 34, the lower end of the bearing seat 31 is connected with the supporting cylinder 32, the supporting cylinder 32 is connected with the supporting ball 33, the inner side of the bearing seat 31 is connected with a lower end fixing ring 51 of the lower end fixing mechanism 5, the sliding block 34 is arranged between the bearing seat 31 and the lower end fixing ring 51 of the lower end fixing mechanism 5, a first vibration matching block 35 is connected at the lower end of the lower end fixing ring 51 of the lower end fixing mechanism 5, a second vibration matching block 36 is connected at the lower end of the first vibration matching block 35, a sleeve 37 is arranged at the inner side of the first vibration matching block 35, a limiting column 38 is connected in the sleeve 37, and the power mechanism 6 drives the second vibration matching block 36 to, meanwhile, the intensity of vibration is controlled according to the rotating speed of the power mechanism 6, and the supporting cylinder 32 and the supporting ball 33 can support the bottom surface to provide supporting force; the upper end fixing mechanism 4 comprises an upper end fixing ring 41, clamping pistons 52, a clamping handle 53 and a piston groove 54, the upper end fixing ring 41 is connected with the four clamping pistons 52, the piston groove 54 is formed between the upper end fixing ring 41 and the clamping pistons 52, the clamping handle 53 is connected to the upper end of the upper end fixing ring 41, an oil groove 55 is formed between the upper end fixing ring 41 and the clamping handle 53, the clamping handle 53 is rotated, and the clamping handle 53 can drive pistons on the inner side of the oil groove 55 to push hydraulic oil, so that the four clamping pistons 52 are pushed to clamp the stainless steel reinforced concrete column; the lower end fixing mechanism 5 comprises a lower end fixing ring 51, clamping pistons 52, a clamping handle 53 and a piston groove 54, the lower end fixing ring 51 is connected with the four clamping pistons 52, the piston groove 54 is formed between the lower end fixing ring 51 and the clamping pistons 52, the upper end of the lower end fixing ring 51 is connected with the clamping handle 53, an oil groove 55 is formed between the lower end fixing ring 51 and the clamping handle 53, the lower end fixing ring 51 provides support, and meanwhile, the clamping pistons 52 are matched to provide effective clamping force; the support cylinder 32 is connected with the bearing seat 31 through welding, the support ball 33 is connected with the support cylinder 32 in a rolling mode, the support cylinder 32 plays a supporting role, and the connection strength is guaranteed through welding.
Example 2
As shown in fig. 11, the present embodiment is different from embodiment 1 in that: the power mechanism 6 includes a worm wheel 611, a worm 612, and a second motor 613, the worm wheel 611 connects to the second vibration matching block 36 of the support mechanism 3, the input end of the worm wheel 611 connects to the worm 612, the input end of the worm 612 connects to the second motor 613, the fixed end of the second motor 613 connects to the bearing seat 31 of the support mechanism 3, the second motor 613 is started, the second motor 613 drives the worm 612 and the worm wheel 611, so that the worm wheel 611 drives the second vibration matching block 36, the second vibration matching block 36 matches with the first vibration matching block 35, and the first vibration matching block 35 drives the lower end fixing ring 51 to generate vibration.
The use method of the earthquake-resistant structure experimental device for the stainless steel reinforced concrete column comprises the following steps:
a. when the stainless steel reinforced concrete column needs to be tested, the prefabricated stainless steel reinforced concrete column is placed between the upper end fixing ring 41 and the lower end fixing ring 51, and then the two clamping handles 53 are rotated, so that hydraulic oil in the oil groove 55 pushes the clamping piston 52 on the upper end fixing ring 41 and the lower end fixing ring 51, the clamping piston 52 clamps the stainless steel reinforced concrete column, and the clamping stability is ensured;
b. at the moment, the vertical vibration is simulated, the first motor 64 is started to drive the driving chain wheel 63, the chain 62 and the driven chain wheel 61, the driven chain wheel 61 drives the second vibration matching block 36, the second vibration matching block 36 is matched with the first vibration matching block 35, the first vibration matching block 35 can drive the lower end fixing ring 51 to vibrate, and the condition of the stainless steel reinforced concrete column after vibration stress is observed;
c. or the second motor 613 is started, the second motor 613 drives the worm 612 and the worm wheel 611, so that the worm wheel 611 drives the second vibration matching block 36, the second vibration matching block 36 is matched with the first vibration matching block 35, the first vibration matching block 35 can drive the lower end fixing ring 51 to vibrate, and the condition of the stainless steel reinforced concrete column after vibration stress is observed;
d. when the transverse vibration needs to be simulated, starting the telescopic cylinder 21 at the upper end or the telescopic cylinder 21 at the lower end to enable the stainless steel reinforced concrete column to be subjected to transverse stress in different directions, so that the stainless steel reinforced concrete column generates transverse vibration force and longitudinal vibration force to be combined, and observing the condition of the stainless steel reinforced concrete column after stress;
e. meanwhile, the combination of the telescopic cylinders 21 at the upper ends and the telescopic cylinders 21 at the lower ends can be started, so that twisting forces in different directions are generated, the variable quantity of the test is improved, and the reliability of the test is improved.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.

Claims (10)

1. Stainless steel reinforced concrete is earthquake-resistant structure experimental apparatus for post, including fixed establishment (1), its characterized in that: still including upper end fixed establishment (4), the lower extreme fixed establishment (5) that are used for providing the shaking force and are used for fixed effect and be used for providing stability and supporting property stretching mechanism (2), supporting mechanism (3), fixed establishment (1) inboard is connected two sets of supporting mechanism (3), upper end stretching mechanism (2) inboard is connected upper end fixed establishment (4), lower extreme stretching mechanism (2) inboard is connected supporting mechanism (3), supporting mechanism (3) inboard is connected lower extreme fixed establishment (5), lower extreme fixed establishment (5) lower extreme is connected power mechanism (6).
2. The earthquake-resistant structure experimental facility for stainless steel reinforced concrete columns of claim 1, characterized in that: power unit (6) include driven sprocket (61), chain (62), driving sprocket (63), first motor (64), driven sprocket (61) are connected supporting mechanism (3), chain (62) one side is provided with driving sprocket (63), driven sprocket (61) with pass through between driving sprocket (63) chain (62) are connected, connect on driving sprocket (63) first motor (64), first motor (64) are connected supporting mechanism (3).
3. The earthquake-resistant structure experimental facility for stainless steel reinforced concrete columns of claim 1, characterized in that: the power mechanism (6) comprises a worm wheel (611), a worm (612) and a second motor (613), the worm wheel (611) is connected with the supporting mechanism (3), the input end of the worm wheel (611) is connected with the worm (612), the input end of the worm (612) is connected with the second motor (613), and the fixed end of the second motor (613) is connected with the supporting mechanism (3).
4. The earthquake-resistant structure experimental facility for stainless steel reinforced concrete columns of claim 1, characterized in that: fixed establishment (1) includes lower extreme fixing base (11), upper end fixing base (12), support column (13), lower extreme fixing base (11) upside is provided with upper end fixing base (12), lower extreme fixing base (11) with pass through between upper end fixing base (12) support column (13) are connected.
5. The earthquake-resistant structure experimental facility for stainless steel reinforced concrete columns of claim 1, characterized in that: the stretching mechanism (2) comprises a telescopic cylinder (21), a first connecting seat (22) and a second connecting seat (23), the first connecting seat (22) is connected with the supporting mechanism (3) or the upper end fixing mechanism (4), the second connecting seat (23) is connected with the fixing mechanism (1), and the first connecting seat (22) and the second connecting seat (23) are connected with each other through the telescopic cylinder (21).
6. The earthquake-resistant structure experimental facility for stainless steel reinforced concrete columns of claim 1, characterized in that: supporting mechanism (3) are including bearing seat (31), a support section of thick bamboo (32), support ball (33), slider (34), bear seat (31) lower extreme and connect a support section of thick bamboo (32), connect on a support section of thick bamboo (32) support ball (33), bear seat (31) inboard connection lower extreme fixed establishment (5), bear seat (31) with be provided with between lower extreme fixed establishment (5) slider (34), first vibrations cooperation piece (35) are connected lower extreme fixed establishment (5) lower extreme, second vibrations cooperation piece (36) are connected first vibrations cooperation piece (35) lower extreme, first vibrations cooperation piece (35) inboard is provided with sleeve (37), sleeve (37) in-connection spacing post (38).
7. The earthquake-resistant structure experimental facility for stainless steel reinforced concrete columns of claim 1, characterized in that: upper end fixed establishment (4) include upper end fixed ring (41), clamp piston (52), press from both sides tight handle (53), piston groove (54), connect four on the fixed ring of upper end (41) press from both sides tight piston (52), the fixed ring of upper end (41) with be provided with between clamp piston (52) piston groove (54), the fixed ring of upper end (41) upper end is connected press from both sides tight handle (53), the fixed ring of upper end (41) with be provided with oil groove (55) between clamp handle (53).
8. The earthquake-resistant structure experimental facility for stainless steel reinforced concrete columns of claim 1, characterized in that: lower extreme fixed establishment (5) are including lower extreme solid fixed ring (51), clamp piston (52), clamping handle (53), piston groove (54), four are connected on lower extreme solid fixed ring (51) clamp piston (52), lower extreme solid fixed ring (51) with be provided with between clamp piston (52) piston groove (54), lower extreme solid fixed ring (51) upper end is connected clamping handle (53), lower extreme solid fixed ring (51) with be provided with oil groove (55) between clamping handle (53).
9. The earthquake-resistant structure experimental facility for stainless steel reinforced concrete columns of claim 6, characterized in that: the supporting cylinder (32) is connected with the bearing seat (31) through welding, and the supporting ball (33) is connected with the supporting cylinder (32) in a rolling manner.
10. The use method of the earthquake-resistant structure experimental device for the stainless steel reinforced concrete column is characterized in that: the method comprises the following steps:
a. when the stainless steel reinforced concrete column needs to be tested, the prefabricated stainless steel reinforced concrete column is placed between the upper end fixing ring (41) and the lower end fixing ring (51), and then the two clamping handles (53) are rotated, so that hydraulic oil in the oil groove (55) pushes the clamping piston (52) on the upper end fixing ring (41) and the lower end fixing ring (51), the clamping piston (52) clamps the stainless steel reinforced concrete column, and the clamping stability is guaranteed;
b. at the moment, the vertical vibration is simulated, the first motor (64) is started to drive the driving chain wheel (63), the chain (62) and the driven chain wheel (61), the driven chain wheel (61) drives the second vibration matching block (36), the second vibration matching block (36) is matched with the first vibration matching block (35), the first vibration matching block (35) can drive the lower end fixing ring (51) to vibrate, and the condition of the stainless steel reinforced concrete column after the vibration stress is observed;
c. or the second motor (613) is started, the second motor (613) drives the worm (612) and the worm wheel (611), so that the worm wheel (611) drives the second vibration matching block (36), the second vibration matching block (36) is matched with the first vibration matching block (35), the first vibration matching block (35) can drive the lower end fixing ring (51) to vibrate, and the condition of the stainless steel reinforced concrete column after vibration stress is observed;
d. when the transverse vibration needs to be simulated, starting the telescopic cylinder (21) at the upper end or the telescopic cylinder (21) at the lower end to enable the stainless steel reinforced concrete column to be subjected to transverse stress in different directions, so that the stainless steel reinforced concrete column generates transverse vibration force and longitudinal vibration force to be combined, and observing the condition of the stainless steel reinforced concrete column after stress;
e. meanwhile, the combination of the telescopic cylinders (21) at the upper ends and the telescopic cylinders (21) at the lower ends can be started, so that twisting forces in different directions are generated, the variable quantity of the test is improved, and the reliability of the test is improved.
CN202010043100.8A 2020-01-15 2020-01-15 Earthquake-resistant structure experimental device for stainless steel reinforced concrete column and using method thereof Expired - Fee Related CN111024817B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010043100.8A CN111024817B (en) 2020-01-15 2020-01-15 Earthquake-resistant structure experimental device for stainless steel reinforced concrete column and using method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010043100.8A CN111024817B (en) 2020-01-15 2020-01-15 Earthquake-resistant structure experimental device for stainless steel reinforced concrete column and using method thereof

Publications (2)

Publication Number Publication Date
CN111024817A true CN111024817A (en) 2020-04-17
CN111024817B CN111024817B (en) 2022-02-15

Family

ID=70199077

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010043100.8A Expired - Fee Related CN111024817B (en) 2020-01-15 2020-01-15 Earthquake-resistant structure experimental device for stainless steel reinforced concrete column and using method thereof

Country Status (1)

Country Link
CN (1) CN111024817B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113358314A (en) * 2021-06-23 2021-09-07 滁州学院 Cement telegraph pole production strength testing equipment and testing method

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201150246Y (en) * 2008-01-29 2008-11-19 郑州市嵩山绿源畜牧养殖有限公司 Efficient green environmental protection type roasting deice
CN102937508A (en) * 2012-11-02 2013-02-20 西南交通大学 Five-freedom-degree earthquake simulation vibrating table for on-bridge railway tracks
CN103115828A (en) * 2013-01-25 2013-05-22 苏州科技学院 Component combined torsion experimental device and method
CN105258890A (en) * 2015-11-20 2016-01-20 天津大学 Device for testing anti-seismic performance of shear wall under tension, bending and shear composite action
CN107389905A (en) * 2017-08-03 2017-11-24 贵州精正检测有限公司 Concrete NDT examines equipment and concrete NDT checking system
CN207636397U (en) * 2017-12-11 2018-07-20 哈尔滨工业大学 A kind of no pedestal reinforced column pseudo static testing device
CN108330814A (en) * 2018-02-10 2018-07-27 郑州航空工业管理学院 Buffer the bridge earthquake resistance device of energy dissipating
CN109540442A (en) * 2018-11-02 2019-03-29 湖南工业大学 The experimental rig of phantom frame beam column interior joint receiving horizontal earthquake action
CN110398429A (en) * 2019-06-24 2019-11-01 武汉大学 A kind of concrete filled steel tube Experimental Study on Seismic Behavior device and test method considering that work progress influences
CN209764367U (en) * 2019-04-12 2019-12-10 徐州工程学院 Auxiliary fixing device for steel reinforced concrete beam column anti-seismic experiment

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201150246Y (en) * 2008-01-29 2008-11-19 郑州市嵩山绿源畜牧养殖有限公司 Efficient green environmental protection type roasting deice
CN102937508A (en) * 2012-11-02 2013-02-20 西南交通大学 Five-freedom-degree earthquake simulation vibrating table for on-bridge railway tracks
CN103115828A (en) * 2013-01-25 2013-05-22 苏州科技学院 Component combined torsion experimental device and method
CN105258890A (en) * 2015-11-20 2016-01-20 天津大学 Device for testing anti-seismic performance of shear wall under tension, bending and shear composite action
CN107389905A (en) * 2017-08-03 2017-11-24 贵州精正检测有限公司 Concrete NDT examines equipment and concrete NDT checking system
CN207636397U (en) * 2017-12-11 2018-07-20 哈尔滨工业大学 A kind of no pedestal reinforced column pseudo static testing device
CN108330814A (en) * 2018-02-10 2018-07-27 郑州航空工业管理学院 Buffer the bridge earthquake resistance device of energy dissipating
CN109540442A (en) * 2018-11-02 2019-03-29 湖南工业大学 The experimental rig of phantom frame beam column interior joint receiving horizontal earthquake action
CN209764367U (en) * 2019-04-12 2019-12-10 徐州工程学院 Auxiliary fixing device for steel reinforced concrete beam column anti-seismic experiment
CN110398429A (en) * 2019-06-24 2019-11-01 武汉大学 A kind of concrete filled steel tube Experimental Study on Seismic Behavior device and test method considering that work progress influences

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
杨炳等: "方钢管混凝土柱加固后抗震性能试验研究", 《长江大学学报》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113358314A (en) * 2021-06-23 2021-09-07 滁州学院 Cement telegraph pole production strength testing equipment and testing method
CN113358314B (en) * 2021-06-23 2022-07-01 滁州学院 Cement telegraph pole production strength testing equipment and testing method

Also Published As

Publication number Publication date
CN111024817B (en) 2022-02-15

Similar Documents

Publication Publication Date Title
CN111024817B (en) Earthquake-resistant structure experimental device for stainless steel reinforced concrete column and using method thereof
CN113267410B (en) Concrete prefabricated part strength testing device and testing method
RU2342501C1 (en) Tubular building construction
CN206680994U (en) Assembled steel reinforced cage descending frame
CN117569307A (en) Highway bridge pile foundation reinforced structure
CN217561173U (en) Rock-soil mechanics analogue test device
CN205062862U (en) Anchor rod drawing device
CN106930442A (en) A kind of assembly concrete fills wall and assembly method
CN110469140A (en) A kind of construction method of Vierendeel girder prestressed reinforcement
Stoian et al. Composite shear walls with encased profiles, new solution for buildings placed in seismic area
CN102041902A (en) Seismic strengthening device for beam column node area
CN211368813U (en) Pile foundation resistance to plucking static load test device
CN210597412U (en) Connecting assembly for anchor pile drawing test
CN114046062A (en) Novel independent braced system of post-cast strip
CN103056649B (en) Super-large-scale multi-functional pressing machine frame installing method
CN112962980A (en) Construction method applying tie method in large-span net frame walking frame
CN111893990A (en) Steel pipe pile support pre-pressing device and pre-pressing scheme
RU116461U1 (en) STEERING STEERING TEST STAND
CN216786879U (en) Temporary buttress anchoring device of continuous beam bridge
CN214090016U (en) Foundation bearing capacity measuring device convenient to move
CN216127474U (en) Pre-tensioning method stretch-draw reinforcing bar system
CN214885488U (en) Self-supporting formwork for floor
CN221506491U (en) Tensile strength test equipment for building materials
Nakashima Mechanical characteristics of steel column-base connections repaired by concrete encasement
CN213062642U (en) Detachable steel pipe stiff column for fixing wall reinforcing mesh

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20220215

CF01 Termination of patent right due to non-payment of annual fee