CN106124398B - A method of push out test being carried out to hollow steel tube concrete superposed column with loading device - Google Patents
A method of push out test being carried out to hollow steel tube concrete superposed column with loading device Download PDFInfo
- Publication number
- CN106124398B CN106124398B CN201610417431.7A CN201610417431A CN106124398B CN 106124398 B CN106124398 B CN 106124398B CN 201610417431 A CN201610417431 A CN 201610417431A CN 106124398 B CN106124398 B CN 106124398B
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- steel tube
- hollow steel
- superposed column
- pressure
- concrete superposed
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/04—Measuring adhesive force between materials, e.g. of sealing tape, of coating
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Rod-Shaped Construction Members (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
A kind of hollow steel tube concrete superposed column push out test loading device, including the left counter-force pier and right counter-force pier being fixed together by four pull rods, pressure jack is fixedly installed on the inside of right counter-force pier, connecting plate is fixedly installed on the inside of left counter-force pier, the axis of connecting plate and pressure jack is in the same horizontal line, pressure is passed through into pressure sensor by pressure jack, sensor connecting rod and compression bar pass to hollow steel tube concrete superposed column left end and weld the hollow steel tube shut, entire hollow steel tube is released from armored concrete, release pressure is measured by pressure sensor, adhesive property for research hollow steel tube concrete superposed column hollow steel tube and armored concrete provides experimental data.The apparatus structure is simple, easy to assembly, operates with simplicity, is the special loading equipment of hollow steel tube concrete superposed column hollow steel tube and the research of armored concrete adhesive property.
Description
Technical field
The present invention relates to Architectural Structure Experimentation device, especially a kind of hollow steel tube concrete superposed column push out test load dress
It sets.
Background technique
In civil engineering, composite structure and mixed structure are applied in Practical Project more and more.Cored steel
Pipe concrete superposed column is as a kind of new composite structure, it is expected that in the engineerings such as bridge pier, bridge, major diameter column, needs pair
It carries out scientific research.Including caking property between the hollow steel tube and armored concrete to hollow steel tube concrete superposed column
The research of energy, needs to carry out by push out test.
The release of adhesive property between the hollow steel tube and armored concrete of hollow steel tube concrete superposed column is tried at present
It tests and has no that pertinent literature reports that laboratory does not have correlation test loading device yet.
Summary of the invention
The purpose of the present invention is caking property between the hollow steel tube and armored concrete for hollow steel tube concrete superposed column
It can study and a kind of hollow steel tube concrete superposed column push out test loading device is provided.
To achieve the above object, hollow steel tube concrete superposed column push out test loading device provided by the invention, including
The left counter-force pier and right counter-force pier being fixed together by four pull rods, wherein being fixedly installed with pressure on the inside of right counter-force pier
Jack, is fixedly installed with connecting plate on the inside of left counter-force pier, the axis of connecting plate and pressure jack in the same horizontal line,
There is the centre bore for the hollow steel tube grafting of hollow steel tube concrete superposed column at the center of connecting plate, and (aperture of centre bore is slightly larger than
The outer diameter of hollow steel tube), the center of left counter-force pier has diameter to pass through hole, the head of pressure jack and pressure greater than the centre bore
One end of force snesor connects, and the other end of pressure sensor is connected by sensor connecting rod with compression bar, and the left end of compression bar is inserted
Enter in the hollow steel tube shut of hollow steel tube concrete superposed column left end welding, compression bar by being located at the roller bearing of its underpart, in
The right-hand end of empty steel tube concrete superposed column is supported by bracket.
Push out test is done to hollow steel tube concrete superposed column with loading device of the present invention, is led to pressure by pressure jack
Over-voltage force snesor, sensor connecting rod and compression bar pass to the hollow steel tube of hollow steel tube concrete superposed column, in entire
Empty steel pipe is released from armored concrete, while measuring pressure by pressure sensor, to study hollow steel tube concrete folding
The adhesive property of column hollow steel tube and armored concrete provides experimental data.
Loading device structure of the present invention is simple, easy to assembly, operates with simplicity, is in hollow steel tube concrete superposed column
The special loading equipment of empty steel pipe and the research of armored concrete adhesive property.
Detailed description of the invention
Fig. 1 is loading device overall structure diagram of the present invention；
Fig. 2 is the plan view of connecting plate in Fig. 1；
Fig. 3 is the plan view of left counter-force pier in Fig. 1.
In figure: 1- pressure jack, 2- pressure sensor, 3- sensor connecting rod, 4- compression bar, 5- hollow steel tube, 6- are drawn
Bar, 7- bolt, 8- connecting plate, 8-1 centre bore, 9- hollow steel tube concrete superposed column, the left counter-force pier of 10-, 10-1 pass through hole,
11- bracket, 12- roller bearing, the right counter-force pier of 13-.
Specific embodiment
Below in conjunction with attached drawing, the invention will be further described.
As shown in Figure 1, hollow steel tube concrete superposed column push out test loading device of the present invention, including plane are square
The left counter-force pier 10 and right counter-force pier 13 of (as shown in Figure 3), left and right counter-force pier are symmetrically fixedly connected on one by four pull rods 6
It rises.Pressure jack 1 is fixedly mounted in the inside of right counter-force pier, connecting plate is fixedly mounted with bolt 7 in the inside of left counter-force pier
8, the axis of connecting plate and pressure jack is in same horizontal line.It is slightly larger than as shown in Fig. 2, the center of connecting plate opens up aperture
Hollow steel tube outer diameter, for hollow steel tube concrete superposed column 9 to be measured 5 grafting of hollow steel tube centre bore 8-1；As shown in figure 3,
The hole 10-1 that passes through that diameter is communicated greater than centre bore 8-1 diameter, with centre bore 8-1 is opened up at the center of left counter-force pier (to supply hollow
Steel pipe passes through when releasing).The head of pressure jack is connect with one end of pressure sensor 2, the other end of pressure sensor
Connected by sensor connecting rod 3 with compression bar 4, compression bar 4 takes segmentation lengthening form, and hollow steel tube coagulation to be measured is inserted into front end
In the hollow steel tube that native superposed column left end welding is shut.Compression bar is supported by the roller bearing 12 for being located at its underpart, hollow steel tube concrete
The right end of superposed column is supported by bracket 11.
When using above-mentioned loading device, first spacing is needed to fix the two counter-force piers in left and right on the ground by test, by two
A counter-force pier is symmetrically connected to together by four pull rods, to increase the ability that it resists horizontal reacting force；It then will be even with bolt
Fishplate bar links together with hollow steel tube concrete superposed column, will be hollow with diameter circular steel plate identical with hollow steel tube diameter
The hollow steel tube left end welding of steel tube concrete superposed column is shut, and is inserted into the centre bore of connecting plate；It will be connected with screw rod again
Plate and pressure jack are separately fixed on left counter-force pier and right counter-force pier, make its axis in the same horizontal line；With the branch
The right end of frame bearing hollow steel tube concrete superposed column；Pressure sensor is connected on pressure jack head, by pressure sensor
The other end connect with sensor connecting rod, sensor connecting rod connects with the compression bar that classification lengthens, and compression bar is by roller bearing, pressure
In the hollow steel tube that the front end insertion left end welding of bar is shut.Then start pressure jack, by pressure by pressure sensor,
Sensor connecting rod and compression bar pass to the hollow steel tube of hollow steel tube concrete superposed column, make its from armored concrete gradually
All released.Pressure value when release is measured, by pressure sensor for the hollow of research hollow steel tube concrete superposed column
The adhesive property of steel pipe and armored concrete provides experimental data.
It is proved through actual use, carries out the push out test of hollow steel tube concrete superposed column using loading device of the present invention,
As a result meet with Finite element analysis results well, it was demonstrated that the device performance is reliable, and test data is accurate.
Claims (1)
1. a kind of method for carrying out push out test to hollow steel tube concrete superposed column with loading device, the loading device packet
It includes, the left counter-force pier (10) be fixed together by four pull rods (6) and right counter-force pier (13), wherein the inside of right counter-force pier
It is fixedly installed with pressure jack (1), connecting plate (8), connecting plate and pressure jack is fixedly installed on the inside of left counter-force pier
Axis in the same horizontal line, there is hollow steel tube (5) grafting for hollow steel tube concrete superposed column (9) at the center of connecting plate
Centre bore (8-1), the center of left counter-force pier has diameter to be greater than the centre bore to pass through hole (10-1), the head of pressure jack
It being connect with one end of pressure sensor (2), the other end of pressure sensor is connected by sensor connecting rod (3) with compression bar (4),
In the hollow steel tube that the left end insertion hollow steel tube concrete superposed column left end welding of compression bar is shut, compression bar is by being located at its underpart
The right-hand end of roller bearing (12) bearing, hollow steel tube concrete superposed column is supported by bracket (11)；
The method for carrying out push out test to hollow steel tube concrete superposed column includes first needing spacing by left counter-force by test
Pier and right counter-force pier fix on the ground, two counter-force piers are symmetrically connected to together by four pull rods, to increase its resistance
The ability of horizontal reacting force；Then connecting plate and hollow steel tube concrete superposed column are linked together with bolt, with diameter in
The identical circular steel plate of empty diameter of steel tube shuts the hollow steel tube left end welding of hollow steel tube concrete superposed column, and the company of insertion
In the centre bore of fishplate bar；Connecting plate and pressure jack are separately fixed on left counter-force pier and right counter-force pier with screw rod again, made
Its axis is in the same horizontal line；With the right end of bracket bearing hollow steel tube concrete superposed column；In pressure jack head
Portion connects pressure sensor, and the other end of pressure sensor is connect with sensor connecting rod, and sensor connecting rod and classification add
Long compression bar connects, and compression bar is welded in the hollow steel tube shut by roller bearing, the front end insertion left end of compression bar；Then starting pressure
Pressure is passed to hollow steel tube concrete superposed column by pressure sensor, sensor connecting rod and compression bar by power jack
Hollow steel tube releases it gradually all from armored concrete；Pressure value when release is measured by pressure sensor, is
The adhesive property of the hollow steel tube and armored concrete of studying hollow steel tube concrete superposed column provides experimental data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610417431.7A CN106124398B (en) | 2016-06-14 | 2016-06-14 | A method of push out test being carried out to hollow steel tube concrete superposed column with loading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610417431.7A CN106124398B (en) | 2016-06-14 | 2016-06-14 | A method of push out test being carried out to hollow steel tube concrete superposed column with loading device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106124398A CN106124398A (en) | 2016-11-16 |
| CN106124398B true CN106124398B (en) | 2019-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610417431.7A Expired - Fee Related CN106124398B (en) | 2016-06-14 | 2016-06-14 | A method of push out test being carried out to hollow steel tube concrete superposed column with loading device |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106706449A (en) * | 2016-12-29 | 2017-05-24 | 中国电建集团华东勘测设计研究院有限公司 | Bulldozer for withdrawing hollow cylindrical soil sample |
| CN107966405B (en) * | 2017-12-25 | 2024-07-02 | 合肥工业大学 | Experimental model structure for binding characteristics of concrete and steel casing |
| CN108375504B (en) * | 2018-01-25 | 2020-12-15 | 河海大学 | Anchorage type reaction frame test device suitable for underground space structure |
| CN110146382B (en) * | 2019-06-20 | 2021-06-01 | 福州大学 | Horizontal rigid connection loading device acting on column |
| CN113514393A (en) * | 2021-07-05 | 2021-10-19 | 沈阳大学 | Device and method for push-out test of hollow sandwich concrete filled steel tube combination column at high temperature |
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|---|---|---|---|---|
| KR20130072944A (en) * | 2011-12-22 | 2013-07-02 | 쌍용건설 주식회사 | Loading experment device for earthquake resistant performance test of column member considering long-term deformation |
| CN103558098A (en) * | 2013-10-22 | 2014-02-05 | 沈阳建筑大学 | Pressure torsion test loading device for steel tube concrete pile |
| CN103900750A (en) * | 2012-12-24 | 2014-07-02 | 上海钢之杰钢结构建筑有限公司 | Apparatus for measuring concrete shared load in steel pipe concrete column performance test |
| CN103953078A (en) * | 2014-05-16 | 2014-07-30 | 安徽省建筑工程质量监督检测站 | Tubular pile pull-out test device with single dowel bar structure |
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2016
- 2016-06-14 CN CN201610417431.7A patent/CN106124398B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130072944A (en) * | 2011-12-22 | 2013-07-02 | 쌍용건설 주식회사 | Loading experment device for earthquake resistant performance test of column member considering long-term deformation |
| CN103900750A (en) * | 2012-12-24 | 2014-07-02 | 上海钢之杰钢结构建筑有限公司 | Apparatus for measuring concrete shared load in steel pipe concrete column performance test |
| CN103558098A (en) * | 2013-10-22 | 2014-02-05 | 沈阳建筑大学 | Pressure torsion test loading device for steel tube concrete pile |
| CN103953078A (en) * | 2014-05-16 | 2014-07-30 | 安徽省建筑工程质量监督检测站 | Tubular pile pull-out test device with single dowel bar structure |
Non-Patent Citations (1)
| Title |
|---|
| 钢管与管外混凝土界面粘结抗剪能力试验研究;钱稼茹 等;《建筑结构》;20150228;第45卷(第3期);正文第2页、图2 |
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| CN106124398A (en) | 2016-11-16 |
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Granted publication date: 20190108 Termination date: 20190614 |