CN111735706A - Concrete tension and compression double-power creep test device - Google Patents
Concrete tension and compression double-power creep test device Download PDFInfo
- Publication number
- CN111735706A CN111735706A CN202010594074.8A CN202010594074A CN111735706A CN 111735706 A CN111735706 A CN 111735706A CN 202010594074 A CN202010594074 A CN 202010594074A CN 111735706 A CN111735706 A CN 111735706A
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- tension
- concrete
- creep test
- test device
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- 238000012360 testing method Methods 0.000 title claims abstract description 34
- 238000007906 compression Methods 0.000 title claims abstract description 20
- 230000006835 compression Effects 0.000 title abstract description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 12
- 239000010935 stainless steel Substances 0.000 claims description 12
- 238000003466 welding Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 5
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 230000003068 static effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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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
- G01N3/12—Pressure testing
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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
- G01N3/02—Details
- G01N3/04—Chucks
-
- 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
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
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- Physics & Mathematics (AREA)
- 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)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a concrete tension and compression double-power-energy power creep test device, which relates to the field of building tests. The concrete tension-compression dual-power creep test device is simple in structure, low in cost, good in stability in use, direct and accurate in detection of tension force, and high in creep test precision.
Description
Technical Field
The invention relates to the field of building tests, in particular to a concrete tension-compression dual-power creep test device.
Background
Concrete creep refers to the increased deformation of concrete over time, in addition to elastic deformation, under the action of a load. Creep of concrete is an inherent characteristic of a material and is an important factor to be considered when designing and calculating a concrete structure. The conventional creep research is completed through common static tension test equipment, but the conventional static tension test equipment is relatively complex in design, high in cost, troublesome in maintenance and not direct and accurate in tensile force detection, so that the precision of a creep test is influenced.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a concrete tension-compression dual-power creep test device which is simple in structure, low in cost, good in stability in use, very direct and accurate in detection of tension force and high in creep test precision.
In order to achieve the above purpose, the present invention provides the following technical solutions:
this concrete is drawn and is pressed double-power dynamic creep test device includes the flat-plate base and the roof that are parallel to each other, is connected with the stand that a plurality of sizes are the same between base and the roof perpendicularly, and base top center department is connected with force sensor perpendicularly, and force sensor passes through the data line and is connected with the control computer, and force sensor top is connected with the end plate, and roof center department inlays perpendicularly and installs the pneumatic cylinder, and the telescopic link of pneumatic cylinder bottom is connected with the end plate perpendicularly, is fixed with the concrete column through a plurality of fixing bolt between the two end plate.
Preferably, the base and the top plate are both made of stainless steel, and the base is connected with the tension sensor through screws.
Preferably, the upright columns are all made of stainless steel and are connected with the base and the top plate through welding.
Preferably, the end plates are all made of stainless steel and are connected with the telescopic rods of the hydraulic cylinders and the tension sensors through screws.
Preferably, the fixing bolts are all made of stainless steel and penetrate through threaded holes of the end plates to be screwed into the concrete columns to be fixedly connected.
The beneficial effect of adopting above technical scheme is: when the concrete tension-compression dual-power creep test device is used, foundation bolts can penetrate through the base to be fixed at a proper position on the ground, then the concrete columns are fixed between the two end plates through a plurality of fixing bolts, and the tension sensor is connected with the control computer through a data line. And (4) connecting an oil way of the hydraulic cylinder, opening the hydraulic cylinder to drive the telescopic rod to ascend, and pulling the upper end plate to ascend to stretch the concrete column to perform a creep test of the concrete. At the moment, the tension sensor can sense the tension of the hydraulic cylinder, and transmits a tension signal to the control computer for accurate measurement. The concrete tension-compression dual-power creep test device is simple in structure, low in cost, good in stability in use, direct and accurate in detection of tension force, and high in creep test precision.
Drawings
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
FIG. 1 is a front view of the concrete tension-compression dual-power creep test device;
fig. 2 is a plan view of the concrete tension-compression dual-power creep test apparatus.
The device comprises a concrete column 1, a hydraulic cylinder 2, a tension sensor 3, a base 4, a top plate 5, an end plate 6, a fixing bolt 7, a data line 8 and a column 9.
Detailed Description
The concrete tension and compression dual-power creep test device is described in detail with reference to the accompanying drawings.
Fig. 1 and 2 show a concrete tension-compression dual-power creep test device according to a specific embodiment:
with reference to fig. 1 and 2, the concrete tension-compression dual-power creep test device comprises a flat-plate-shaped base 4 and a top plate 5 which are parallel to each other, a plurality of upright columns 9 with the same size are vertically connected between the base 4 and the top plate 5, a tension sensor 3 is vertically connected to the center of the top of the base 4, the tension sensor 3 is connected with a control computer through a data line 8, an end plate 6 is connected to the top of the tension sensor 3, a hydraulic cylinder 2 is vertically embedded and installed at the center of the top plate 5, an end plate 6 is vertically connected to a telescopic rod at the bottom of the hydraulic cylinder 2, and a concrete column 1 is fixed between the two end plates.
Base 4 and roof 5 are made by the stainless steel, and sturdy and durable, and corrosion resisting property is good, and base 4 passes through the screw to be connected with force sensor 3. The stand 9 is made by the stainless steel, and is sturdy and durable, and corrosion resisting property is good, and the stand 9 all is connected with base 4 and roof 5 through the welding. The end plate 6 is made of stainless steel, is firm and durable, has good corrosion resistance, and is connected with the telescopic rod of the hydraulic cylinder 2 and the tension sensor 3 through screws. The fixing bolts 7 are made of stainless steel, are firm and durable and have good corrosion resistance, and the fixing bolts 7 penetrate through threaded holes of the end plates and are screwed into the concrete column 1 to be fixedly connected.
When the concrete tension-compression dual-function power creep test device is used, foundation bolts can penetrate through the yielding holes of the base 4 to be fixed at a proper position on the ground, then the concrete column 1 is fixed between the two end plates 6 through the plurality of fixing bolts 7, and the tension sensor 3 is connected with a control computer through the data line 8. The oil way of the hydraulic cylinder 2 is connected, and the hydraulic cylinder 2 is opened to drive the telescopic rod to ascend, so that the upper end plate 6 is pulled to ascend to stretch the concrete column 1 to perform a creep test of the concrete. At this moment, the tension sensor 3 can sense the test tension applied by the hydraulic cylinder 2, and the tension value is transmitted to the control computer through the data line 8 to be accurately measured. The concrete tension-compression dual-power creep test device is simple in structure, low in cost, good in stability in use, direct and accurate in detection of tension force, and high in creep test precision.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many variations and modifications can be made without departing from the inventive concept of the present invention, which falls into the protection scope of the present invention.
Claims (5)
1. The utility model provides a concrete tension-compression dual-power creep test device which characterized in that: concrete draws and presses double-power dynamic creep test device includes flat base (4) and roof (5) that are parallel to each other, be connected with the stand (9) that a plurality of sizes are the same between base (4) and roof (5) perpendicularly, base (4) top center department is connected with force sensor (3) perpendicularly, force sensor (3) are connected with control computer through data line (8), force sensor (3) top is connected with end plate (6), roof (5) center department is inlayed perpendicularly and is installed pneumatic cylinder (2), the telescopic link of pneumatic cylinder (2) bottom is connected with end plate (6) perpendicularly, be fixed with concrete column (1) through a plurality of fixing bolt (7) between end plate (6).
2. The concrete tension-compression dual-power creep test device according to claim 1, characterized in that: the base (4) and the top plate (5) are both made of stainless steel, and the base (4) is connected with the tension sensor (3) through screws.
3. The concrete tension-compression dual-power creep test device according to claim 1, characterized in that: the upright posts (9) are made of stainless steel, and the upright posts (9) are connected with the base (4) and the top plate (5) through welding.
4. The concrete tension-compression dual-power creep test device according to claim 1, characterized in that: the end plates (6) are made of stainless steel, and the end plates (6) are connected with the telescopic rods of the hydraulic cylinders (2) and the tension sensors (3) through screws.
5. The concrete tension-compression dual-power creep test device according to claim 1, characterized in that: the fixing bolts (7) are all made of stainless steel, and the fixing bolts (7) penetrate through threaded holes of the end plates and are screwed into the concrete column (1) to be fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010594074.8A CN111735706A (en) | 2020-06-23 | 2020-06-23 | Concrete tension and compression double-power creep test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010594074.8A CN111735706A (en) | 2020-06-23 | 2020-06-23 | Concrete tension and compression double-power creep test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111735706A true CN111735706A (en) | 2020-10-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010594074.8A Pending CN111735706A (en) | 2020-06-23 | 2020-06-23 | Concrete tension and compression double-power creep test device |
Country Status (1)
| Country | Link |
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| CN (1) | CN111735706A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113405911A (en) * | 2021-05-10 | 2021-09-17 | 同济大学 | Experimental device and experimental method for synchronously measuring tension and compression creep of concrete |
-
2020
- 2020-06-23 CN CN202010594074.8A patent/CN111735706A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113405911A (en) * | 2021-05-10 | 2021-09-17 | 同济大学 | Experimental device and experimental method for synchronously measuring tension and compression creep of concrete |
| CN113405911B (en) * | 2021-05-10 | 2022-09-09 | 同济大学 | Experimental device and experimental method for synchronously measuring tension and compression creep of concrete |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20201002 |
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| WD01 | Invention patent application deemed withdrawn after publication |