CN109211544A - The pseudo-static experimental axle power loading device of power muscle sidesway Self-resetting - Google Patents
The pseudo-static experimental axle power loading device of power muscle sidesway Self-resetting Download PDFInfo
- Publication number
- CN109211544A CN109211544A CN201810919386.4A CN201810919386A CN109211544A CN 109211544 A CN109211544 A CN 109211544A CN 201810919386 A CN201810919386 A CN 201810919386A CN 109211544 A CN109211544 A CN 109211544A
- Authority
- CN
- China
- Prior art keywords
- power
- muscle
- anchor
- arc slot
- sidesway
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
Abstract
The present invention discloses a kind of pseudo-static experimental axle power loading device of power muscle sidesway Self-resetting, it includes the horizontal actuator being fixed on counter force wall, the horizontal actuator other end is fixed on the top of vertical supporting member to be tested, the vertical supporting member bottom is fixed on rigid ground, it is connected at the top of the vertical supporting member with cover board bottom surface, the cover board is fixed by connecting bolt on quadrangle with force transmitting board, force sensor is set between the force transmitting board and cover board, the power transmission plate top surface is symmetrically arranged with the bar shaped arc slot being parallel to each other, and bar shaped arc slot is arranged in vertical supporting member two sides, the arc groove bottom offers rectangular notch, strong muscle is vertically arranged in the notch, power muscle bottom end is arranged in anchor rail, the power muscle slidably reciprocates in bar shaped arc slot and anchor rail with horizontal push-pull effort.The present invention can be realized the sidesway Self-resetting of the power muscle of offer axle power during loading, guarantees the stabilization for testing predetermined shaft power in Quintic system loading procedure, improves the reliability of test result.
Description
Technical field
The present invention relates to technical field of civil engineering, and in particular to a kind of pseudo-static experimental axle power of power muscle sidesway Self-resetting
Loading device.
Background technique
Frame column, shear wall are vertical supporting members important in engineering structure, and mechanical property pacifies the entirety of structure
There is extremely significant impact entirely.China is that country is shaken one more, and earthquake and anti-seismic performance of the vertical supporting member under earthquake are ground
Study carefully be current engineering circles one of hot issue.Mainly there is examination to the research of frame column, shear wall anti-seismic performance both at home and abroad at present
Test three research, in-situ observation and numerical simulation aspects.And in experimental study pseudo-static experimental research be analysis block trestle and
The important channel of shear wall anti-seismic performance and failure mechanism.It influences to include axial compression ratio and shear span in the principal element of anti-seismic performance
Than, therefore need to apply axle power to the column and shear wall of different shear span ratios in pseudo-static experimental.
The pseudo-static experimental of current structure laboratory loads there are mainly two types of the modes of axle power:
1) reaction frame system+hydraulic jack formula,
2) tradition wears muscle anchoring type；
But there is segmental defect and need to improve in both modes, to improve the accuracy and reliability of test result.
The defect that reaction frame system+hydraulic jack formula applies axle power is mainly reflected in: test process is made in level push-and-pull
Under, sidesway can occur for test specimen relative initial position, and axle power is difficult to keep constant, and under big axial compression ratio, jack and counter-force
Horizontal roller bearing sidesway between frame slides difficult, and sidesway is limited, and steel screw thread is easy to damage causes oil leakage phenomenon for jack sealing
It is bad with the easily shear-deformable card of horizontal roller bearing connector.Another distinct disadvantage is for different shear span ratio test specimens, and test rises
Or decline crossbeam is time-consuming.
Tradition wears muscle anchoring type, although the difficult defect during can overcoming crossbeam raising and lowering, generates axle power
Power muscle be deformed with the application of horizontal force but can not Self-resetting, test axle power occur losing and can not supplementing, cause to try
Constant axle power is difficult to keep during testing.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of examinations of the Quintic system of power muscle sidesway Self-resetting
Axle power loading device is tested, it can apply predetermined axle power for different shear span ratio test specimens, stablize with xial feed, operation side
Just, the advantages that versatile and applied widely.The holding of dead axle power and stable problem in pseudo-static experimental can effectively be solved.
To achieve the above object, a kind of pseudo-static experimental axle power load dress of power muscle sidesway Self-resetting designed by the present invention
It sets, it includes the horizontal actuator being fixed on counter force wall, and the horizontal actuator other end, which is fixed on, to be tested vertically to be held
The top of part is reconstructed, the vertical supporting member bottom is fixed on rigid ground, the vertical supporting member top and cover board
Bottom surface is connected, and the cover board is fixed by connecting bolt on quadrangle with force transmitting board, is arranged between the force transmitting board and cover board strong
Sensor (force transmitting board, force snesor and cover board form axial force test system), the power transmission plate top surface are symmetrically arranged with mutually flat
Capable bar shaped arc slot, and bar shaped arc slot is arranged in vertical supporting member two sides, the arc groove bottom offers rectangular notch,
Strong muscle is vertically arranged in the notch, power muscle bottom end is arranged in anchor rail, and the power muscle is in bar shaped arc slot and anchor rail
It slidably reciprocates with horizontal push-pull effort.
Further, the anchor rail is correspondingly arranged with bar shaped arc slot, and the section of anchor rail is domed, the anchor rail top plate
Bottom surface offers the anchor rail arc slot of bar shaped, and anchor rail arc groove top portion offers rectangular anchor track slot mouth, power muscle bottom end
It slidably reciprocates in anchoring arc slot.
Still further, power muscle both ends are provided with fixture, the power muscle hole by power muscle is offered in the fixture；
The end of the fixture is in hemisphere arc, and the end of fixture is equipped with bar shaped arc slot and anchor rail arc slot；The bar shaped arc slot
With the big 5~10mm of radius of the radius ratio clamp end of anchor rail arc slot.
Still further, offering anchor hole on anchor rail quadrangle, earth anchor anchor pole is provided on the anchor hole, describedly
Anchor anchor pole and both ends earth anchor nut, which cooperate, is fixed on rigid ground for anchor rail.
Still further, solid by screw hole connection corresponding on connection bolt and force transmitting board between the cover board and force transmitting board
It is fixed.
Still further, the vertical supporting member bottom is fixed on the support, the support passes through the support on quadrangle
Anchorage screw and the cooperation of support anchorage nut are fixed on rigid ground.
Still further, the vertical supporting member is frame column or shear wall.
Still further, the power muscle is the material with tensile capacity, the material with tensile capacity is fiber
Enhance FRP Composite Material or steel.
Beneficial effects of the present invention:
(1) present invention can be realized the sidesway Self-resetting of the power muscle of offer axle power during loading, guarantee that Quintic system adds
The stabilization that predetermined axle power is tested during carrying, improves the reliability of test result；
(2) during testing, by adjusting power muscle length or anchorage length, the approach of different shear span ratios is realized, while real
The Fast Installation of existing different shear span ratio test specimens, facilitates the test of different height test specimen to carry out；
(3) pseudo-static experimental of test specimen under normal axle power not only may be implemented in the present invention, can also be by changing test process
The size of middle power muscle stretching force realizes the pseudo-static experimental for becoming axle power；
(4) testing expenses of the present invention are low, save economy and time cost.
Detailed description of the invention
Fig. 1 is front elevation view of the invention；
Fig. 2 is side elevational view of the invention；
Fig. 3 is the planar structure schematic diagram of force transmitting board；
Fig. 4 is the planar structure schematic diagram of anchor rail；
In figure, 1- force transmitting board, 1.1- bar shaped arc slot, 1.2- notch, 1.3- screw hole, 2- fixture, 2.1- power muscle hole, 3- power
Muscle, 4- anchor rail, 4.1- anchor rail arc slot, 4.2- anchor track slot mouth, 4.3- anchor hole, 4.4- earth anchor anchor pole, 4.5- earth anchor nut, 5- power pass
Sensor, 6- cover board, 6.1- connection bolt, the vertical supporting member of 7-, 7.1- support, 7.2- support anchorage screw, 7.3- support anchor
Gu nut, 8- rigid ground, 9- counter force wall, the horizontal actuator of 10-.
Specific embodiment
The present invention is described in further detail combined with specific embodiments below, so as to those skilled in the art understand that.
The pseudo-static experimental axle power loading device of power muscle sidesway Self-resetting as shown in figures 1-4, it includes being fixed on counter-force
Horizontal actuator 10 on wall 9, horizontal 10 other end of actuator are fixed on vertical supporting member 7 to be tested (vertical load-bearing structure
Part 7 is frame column or shear wall) top, vertical 7 bottom of supporting member is fixed on rigid ground 8, and vertical supporting member 7 pushes up
Portion is connected in 6 bottom surface of cover board, and vertical 7 bottom of supporting member is fixed on support 7.1, and support 7.1 passes through the support on quadrangle
Anchorage screw 7.2 and the cooperation of support anchorage nut 7.3 are fixed on rigid ground 8.
Between force transmitting board 1 and cover board 6 be arranged force sensor 5, between cover board 6 and force transmitting board 1 by connection bolt 6.1 and
Corresponding screw hole 1.3 is connected and fixed on force transmitting board 1；So that force transmitting board 1, force snesor 5 and cover board 6 is formed axial force test system, passes
1 top surface of power plate is symmetrically arranged with the bar shaped arc slot 1.1 being parallel to each other, and bar shaped arc slot 1.1 is arranged at 7 liang of vertical supporting member
Side, 1.1 bottom surface of arc slot offer rectangular notch 1.2, and strong muscle 3, anchor rail 4 and bar shaped arc slot are vertically arranged in notch 1.2
1.1 are correspondingly arranged, and the section of anchor rail 4 is domed, and the bottom surface of 4 top plate of anchor rail offers the anchor rail arc slot 4.1 of bar shaped, anchor rail arc
Rectangular anchor track slot mouth 4.2 is offered at the top of slot 4.1, power muscle 3 pushes away in bar shaped arc slot 1.1 and anchor rail arc slot 4.1 with level
Pulling force slidably reciprocates.
3 both ends of power muscle are provided with fixture 2, and the power muscle hole 2.1 by power muscle 3 is offered in fixture 2；The end of fixture 2
In hemisphere arc, and the end of fixture 2 is equipped with bar shaped arc slot 1.1 and anchor rail arc slot 4.1；Bar shaped arc slot 1.1 and anchor rail arc
Big 5~the 10mm of radius of 2 end of radius ratio fixture of slot 4.1.Anchor hole 4.3 is offered on 4 four jiaos of anchor rail, is set on anchor hole 4.3
It is equipped with earth anchor anchor pole 4.4, earth anchor anchor pole 4.4 and both ends earth anchor nut, which cooperate, is fixed on rigid ground 8 for anchor rail 4.
It is the material with tensile capacity that power muscle 3, which is selected, and according to the actual situation, power muscle 3 can choose FRP or steel.
In the specific implementation process, in, the bottom surface of vertical supporting member 7 to be tested and top surface are polished first, by
Vertical supporting member 7 is fixed on rigid ground 8 by support anchorage nut 7.3 and support anchorage screw 7.2；It will by fixture 2
One end of power muscle is fixed on anchor rail 4, and anchor rail 4 is fixed on rigid ground 8 by earth anchor anchor pole 4.4 and earth anchor nut 4.5；
Cover board 6 is successively held on to the top of vertical supporting member 7, then force snesor 5 is shelved on cover board 6, then by power transmission
Plate 1 is shelved on force snesor 5, and force transmitting board 1, force snesor 5 and cover board 6 are formed axial force test by connection bolt 6.1
System；It finally synchronizes the other end of symmetrical stretching force muscle 3 to be anchored on force transmitting board 1 to predetermined axle power and by fixture 2, so far intend
The axle power loaded of slow test, that is, axle power loading system is set up and is finished.
Power muscle 3 is symmetrically arranged in the two sides of vertical supporting member 7 to be tested, and synchronizes symmetrical stretching force muscle 3 and can avoid
There is the situation of eccentric compression in vertical supporting member 7.
One end anchor of power muscle 3 is slided in bar shaped arc slot 1.1, and with horizontal force along notch 1.2；And the other end of power muscle
Anchor is slided in anchor rail arc slot 4.1, and with horizontal force along anchor track slot mouth 4.2；Vertical supporting member 7 under horizontal force action,
Power muscle 3 remains vertical state because of sliding, and the power muscle 3 of the left and right sides remains opposing stationary, therefore entire Quintic system examination
In testing, axle power is not in loss to the axle power of vertical supporting member 7 during loading, can be kept constant.
By implementing different stretching forces in loading procedure to power muscle 3, the pseudo-static experimental for becoming axis pressure may be implemented.
Other unspecified parts are the prior art.Although above-described embodiment is made that the present invention and retouches in detail
State, but it is only a part of the embodiment of the present invention, rather than whole embodiments, people can also according to the present embodiment without
Other embodiments are obtained under the premise of creativeness, these embodiments belong to the scope of the present invention.
Claims (8)
1. a kind of pseudo-static experimental axle power loading device of power muscle sidesway Self-resetting, it includes the water being fixed on counter force wall (9)
Flat actuator (10), horizontal actuator (10) other end is fixed on the top of vertical supporting member (7) to be tested, described perpendicular
It is fixed on rigid ground (8) to supporting member (7) bottom, it is characterised in that: vertical supporting member (7) top and cover board
(6) bottom surface is connected, and the cover board (6) is fixed by connection bolt (6.1) on quadrangle and force transmitting board (1), the force transmitting board (1) with
Force sensor (5) are set between cover board (6), force transmitting board (1) top surface is symmetrically arranged with the bar shaped arc slot being parallel to each other
(1.1), and bar shaped arc slot (1.1) is arranged in vertical supporting member (7) two sides, and bar shaped arc slot (1.1) bottom surface offers length
Rectangular notch (1.2), the notch (1.2) is interior to be vertically arranged strong muscle (3), and power muscle (3) bottom end is arranged in anchor rail (4)
Interior, the power muscle (3) slidably reciprocates in bar shaped arc slot (1.1) and anchor rail (4) with horizontal push-pull effort.
2. the pseudo-static experimental axle power loading device of power muscle sidesway Self-resetting according to claim 1, it is characterised in that: described
Anchor rail (4) is correspondingly arranged with bar shaped arc slot (1.1), and the section of anchor rail (4) is domed, and the bottom surface of anchor rail (4) top plate is opened
Anchor rail arc slot (4.1) equipped with bar shaped, anchor rail arc slot (4.1) top offers rectangular anchor track slot mouth (4.2), described
Power muscle (3) bottom end slidably reciprocates in anchoring arc slot (4.1).
3. the pseudo-static experimental axle power loading device of power muscle sidesway Self-resetting according to claim 2, it is characterised in that: described
Power muscle (3) both ends are provided with fixture (2), and the power muscle hole (2.1) by power muscle (3) is offered in the fixture (2)；The folder
The end for having (2) is in hemisphere arc, and the end of fixture (2) is equipped with bar shaped arc slot (1.1) and anchor rail arc slot (4.1)；Institute
State the big 5~10mm of radius of radius ratio fixture (2) end of bar shaped arc slot (1.1) and anchor rail arc slot (4.1).
4. the pseudo-static experimental axle power loading device of power muscle sidesway Self-resetting according to claim 1 or claim 2, it is characterised in that:
It is offered anchor hole (4.3) on anchor rail (4) quadrangle, is provided with earth anchor anchor pole (4.4) on the anchor hole (4.3), describedly
Anchor anchor pole (4.4) and both ends earth anchor nut (4.5), which cooperate, is fixed on rigid ground (8) for anchor rail (4).
5. the pseudo-static experimental axle power loading device of power muscle sidesway Self-resetting according to claim 1 or claim 2, it is characterised in that:
It is solid by screw hole (1.3) connection corresponding on connection bolt (6.1) and force transmitting board (1) between the cover board (6) and force transmitting board (1)
It is fixed.
6. the pseudo-static experimental axle power loading device of power muscle sidesway Self-resetting according to claim 1 or claim 2, it is characterised in that:
Vertical supporting member (7) bottom is fixed on support (7.1), and the support (7.1) anchors spiral shell by the support on quadrangle
Bar (7.2) and support anchorage nut (7.3) cooperation are fixed on rigid ground (8).
7. the pseudo-static experimental axle power loading device of power muscle sidesway Self-resetting according to claim 6, it is characterised in that: described
Vertical supporting member (7) is frame column or shear wall.
8. the pseudo-static experimental axle power loading device of power muscle sidesway Self-resetting according to claim 1 or claim 2, it is characterised in that:
The power muscle (3) is the material with tensile capacity, the material with tensile capacity for fibre reinforced composites FRP or
Steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810919386.4A CN109211544A (en) | 2018-08-10 | 2018-08-10 | The pseudo-static experimental axle power loading device of power muscle sidesway Self-resetting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810919386.4A CN109211544A (en) | 2018-08-10 | 2018-08-10 | The pseudo-static experimental axle power loading device of power muscle sidesway Self-resetting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109211544A true CN109211544A (en) | 2019-01-15 |
Family
ID=64988393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810919386.4A Pending CN109211544A (en) | 2018-08-10 | 2018-08-10 | The pseudo-static experimental axle power loading device of power muscle sidesway Self-resetting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109211544A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103207121A (en) * | 2013-03-21 | 2013-07-17 | 河海大学 | Constant-axial-force self-balanced loading device for different column section joints |
| CN104913918A (en) * | 2015-06-12 | 2015-09-16 | 中国人民解放军理工大学 | Pseudo-static test device |
| CN206593956U (en) * | 2017-03-29 | 2017-10-27 | 西南交通大学 | The axially loaded supplementary structure of pseudo-static experimental |
| CN207351794U (en) * | 2017-06-30 | 2018-05-11 | 西南交通大学 | Pseudo-static experimental loading system |
| CN207540878U (en) * | 2017-12-06 | 2018-06-26 | 哈尔滨工业大学 | A kind of two-dimensional framework Approaches for Progressive Collapse of Structures experiment loading and anti-lateral displacement device |
-
2018
- 2018-08-10 CN CN201810919386.4A patent/CN109211544A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103207121A (en) * | 2013-03-21 | 2013-07-17 | 河海大学 | Constant-axial-force self-balanced loading device for different column section joints |
| CN104913918A (en) * | 2015-06-12 | 2015-09-16 | 中国人民解放军理工大学 | Pseudo-static test device |
| CN206593956U (en) * | 2017-03-29 | 2017-10-27 | 西南交通大学 | The axially loaded supplementary structure of pseudo-static experimental |
| CN207351794U (en) * | 2017-06-30 | 2018-05-11 | 西南交通大学 | Pseudo-static experimental loading system |
| CN207540878U (en) * | 2017-12-06 | 2018-06-26 | 哈尔滨工业大学 | A kind of two-dimensional framework Approaches for Progressive Collapse of Structures experiment loading and anti-lateral displacement device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103543069A (en) | Indoor stretching-shearing testing device for anchor rod | |
| CN203551388U (en) | Indoor stretching-shearing testing device for anchor rod | |
| CN109187229B (en) | Stud pull shear test device and test method | |
| CN103837415A (en) | Pressure, rotation and tension fatigue tester | |
| CN103234830A (en) | Anchoring property experiment platform of anchor rod | |
| CN102680321A (en) | Lever-type drawing device for testing anchoring performance of planting bar and implementation method thereof | |
| CN106644708A (en) | Rock-like material tension-shear and biaxial tension-compression testing device and use method thereof | |
| CN106918417B (en) | Steel plate membrane stress tests force application apparatus | |
| CN106053239A (en) | Anchor system aging characteristic testing system and method based on reaction frame | |
| CN108505551A (en) | A kind of long-term anti-pulling capacity indoor test method of fiber bar anti-float anchor rod | |
| CN109612840A (en) | For obtaining the experimental provision and method of brittle rock curve in post-peak area and retained strength | |
| CN107860660B (en) | A kind of rock mass engineering project dynamic disaster simulation experiment system of large-tonnage | |
| CN107179242B (en) | A kind of manual simplified true triaxil tester | |
| CN109211544A (en) | The pseudo-static experimental axle power loading device of power muscle sidesway Self-resetting | |
| CN102128745A (en) | Fixture of test piece for testing inter-laminar drawing fatigue of pavement and testing method thereof | |
| CN111855416A (en) | Circulating shear test device under stretching condition and application method thereof | |
| CN206593956U (en) | The axially loaded supplementary structure of pseudo-static experimental | |
| CN215669419U (en) | Bearing capacity reaction frame for anchorage foundation pit and test system | |
| CN110174306A (en) | A kind of building structural element multi-state experimental rig and test method | |
| CN206696076U (en) | Reinforced beam torsion test device | |
| CN205839819U (en) | A kind of loading connecting structure for spread foundation full scale test | |
| CN110439039A (en) | Loading equipemtn in self balanced method room | |
| CN102109443B (en) | High-accuracy hydraulic repeated loading test device | |
| CN107882078A (en) | A kind of multi-channel synchronous multipoint excitation pile foundation test device | |
| CN205352648U (en) | Shear force wall is anti -seismic performance test device under composite action is cut to stretch bending |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190115 |
|
| RJ01 | Rejection of invention patent application after publication |