CN204346821U - A kind of reaction rack equipment for FRP muscle pull-out test - Google Patents
A kind of reaction rack equipment for FRP muscle pull-out test Download PDFInfo
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- CN204346821U CN204346821U CN201520044747.7U CN201520044747U CN204346821U CN 204346821 U CN204346821 U CN 204346821U CN 201520044747 U CN201520044747 U CN 201520044747U CN 204346821 U CN204346821 U CN 204346821U
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- steel plate
- gap section
- out test
- upper steel
- frp muscle
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Abstract
The utility model discloses a kind of reaction rack equipment for FRP muscle pull-out test, comprise upper steel plate, lower steel plate and vertical steel plate with ribbing, be fixedly connected with several steel bar rods between described upper steel plate and lower steel plate, described vertical steel plate with ribbing is fixedly connected on the bottom center position of lower steel plate.Described upper steel plate has gap, described gap is made up of rectangle gap section and circular arc gap section, described circular arc gap section is positioned at the center of upper steel plate, and rectangle gap section is communicated with circular arc gap section, and rectangle gap section runs through upper steel plate edge.The utility model utilizes electro-hydraulic servo universal testing machine to complete indoor pull-out test, achieves the overall process with computer Control experiment, meets the diversity of testing requirements, its structural design advantages of simple.
Description
Technical field
The utility model relates to indoor pull-out test servicing unit, particularly relates to a kind of reaction rack equipment utilizing electro-hydraulic servo universal testing machine to carry out FRP muscle pull-out test.
Background technology
FRP muscle pull-out test is a kind of means of the anchor force detecting FRP muscle and anchoring body, is widely applied in Structural Engineering and Geotechnical Engineering.At present, the main device of pull-out test is based on tautness meter (punching lifting jack).The advantage of this device is convenient, flexible, simple to operate, and compact, is easy to carry, so be more applicable for outdoor pull-out test to measure the final numerical value of anchoring body anchor force.But shortcoming is the first, it is utilize hand oil pump to load that the pulling capacity of drawing meter loads, and is difficult to ensure the various forms of accurate load mode such as at the uniform velocity static loading, dynamic load etc. in indoor pull-out test loading procedure.The second, the reading mode of pulling capacity carries out reading mainly with utilizing oil pressure gauge or supporting reading device, and numerical precision is comparatively difficult to ensure card.3rd, the more difficult displacement deformation value measuring anchoring body in indoor pull-out test process.
Below work by grant of national natural science foundation, bullets: 51278391, project name: FRP soil nailing static and dynamic characteristics of mechanics and Study on mechanism.
Utility model content
For the weak point that prior art exists, the purpose of this utility model is to provide a kind of reaction rack equipment for FRP muscle pull-out test coordinating electro-hydraulic servo universal testing machine to use, its structural design advantages of simple, economy, simultaneously warranty test requirement.
The purpose of this utility model is achieved through the following technical solutions:
A kind of reaction rack equipment for FRP muscle pull-out test, comprise upper steel plate, lower steel plate and vertical steel plate with ribbing, be fixedly connected with several steel bar rods between described upper steel plate and lower steel plate, described vertical steel plate with ribbing is fixedly connected on the bottom center position of lower steel plate.Described upper steel plate has gap, described gap is made up of rectangle gap section and circular arc gap section, described circular arc gap section is positioned at the center of upper steel plate, and rectangle gap section is communicated with circular arc gap section, and rectangle gap section runs through upper steel plate edge.
In order to realize the utility model better, described upper steel plate and lower steel plate are all overall in square shape, and upper steel plate and the upper and lower parallel alignment of lower steel plate, described steel bar rod is arranged at upper steel plate, lower steel plate near steel plate marginal position place.
Preferred technical scheme is further: the quantity of described steel bar rod is seven.
The preferred steel bar rod of the utility model with upper steel plate, lower steel plate syndeton technical scheme is: described steel bar rod and upper steel plate adopt through welding T junction mode to weld, and described steel bar rod and lower steel plate adopt through welding T junction mode to weld.
Preferred upper steel plate, lower steel plate technical scheme are further: the thickness of described upper steel plate is 8 ~ 15mm, and the length of side of upper steel plate is 250 ~ 400mm; The thickness of described lower steel plate is 8 ~ 15mm, and the length of side of lower steel plate is 250 ~ 400mm.
The utility model preferred steel bar rod structure technology scheme is: the length of described steel bar rod is 150 ~ 160mm.
The preferred vertical steel plate structure technical scheme with ribbing of the utility model is: described vertical steel plate with ribbing is rectangular shape, and length is 80mm ~ 130mm, and width is 8 ~ 15mm, is highly 60mm ~ 100mm.
The utility model comparatively prior art is compared, and has the following advantages and beneficial effect:
(1) the utility model utilizes electro-hydraulic servo universal testing machine to complete indoor pull-out test, achieves the overall process with computer Control experiment, meets the diversity of testing requirements, its structural design advantages of simple.
(2) the utility model can be tested by conputer controlled, increases the precision of reading in process of the test, and facilitates the process of later stage test figure.
Accompanying drawing explanation
Fig. 1 is plan structure schematic diagram of the present utility model;
Fig. 2 is the rear apparent direction schematic diagram of Fig. 1;
Fig. 3 is the left apparent direction schematic diagram of Fig. 2.
Wherein, the name corresponding to the Reference numeral in accompanying drawing is called:
1-upper steel plate, 2-steel bar rod, 3-lower steel plate, 4-vertical steel plate with ribbing, 5-gap, 51-rectangle gap section, 52-circular arc gap section.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail:
Embodiment
As shown in FIG. 1 to 3, a kind of reaction rack equipment for FRP muscle pull-out test, comprise upper steel plate 1, lower steel plate 3 and vertical steel plate 4 with ribbing, be fixedly connected with several steel bar rods 2 between upper steel plate 1 and lower steel plate 3, vertical steel plate 4 with ribbing is fixedly connected on the bottom center position of lower steel plate 3.Upper steel plate 1 has gap 5, gap 5 is made up of rectangle gap section 51 and circular arc gap section 52, circular arc gap section 52 is positioned at the center of upper steel plate 1, rectangle gap section 51 is communicated with circular arc gap section 52, and rectangle gap section 51 runs through upper steel plate 1 edge, the radius of the present embodiment preferred circular arc gap section 52 is 35mm, and the A/F of rectangle gap section 51 is 35mm.
The preferred upper steel plate 1 of the present embodiment and lower steel plate 3 are all overall in square shape, and upper steel plate 1 and lower steel plate about 3 parallel alignment, steel bar rod 2 is arranged at upper steel plate 1, lower steel plate 3 near steel plate marginal position place.
As shown in Figure 1, the quantity of the preferred steel bar rod 2 of the present embodiment is seven.
In order to ensure that steel bar rod 2 is adopted be connected better with upper steel plate 1, lower steel plate 3, steel bar rod 2 and upper steel plate 1 adopt through welding T junction mode to weld, and steel bar rod 2 and lower steel plate 3 adopt through welding T junction mode to weld.
According to the utility model embodiment: the thickness of upper steel plate 1 is 8 ~ 15mm, the length of side of upper steel plate 1 is 250 ~ 400mm; The thickness of lower steel plate 3 is 8 ~ 15mm, and the length of side of lower steel plate 3 is 250 ~ 400mm, and further preferred embodiment is: the thickness of upper steel plate 1 is 10mm, and the length of side of upper steel plate 1 is 300mm; The thickness of lower steel plate 3 is 10m, and the length of side of lower steel plate 3 is 300mm.
The length of steel bar rod 2 is 150 ~ 160mm.
According to an embodiment of the present utility model: vertical steel plate 4 with ribbing is rectangular shape, and length is 80mm ~ 130mm, and width is 8 ~ 15mm, be highly 60mm ~ 100mm, further preferred embodiment is: the length of vertical steel plate 4 with ribbing is 100mm, is highly 80mm, and width is 10mm.
Above-mentioned embodiment is a preferred embodiment of the present utility model; be not for limiting enforcement of the present utility model and interest field; all equivalences made according to the content described in the utility model patent protection scope change and approximate replacement, all should drop in protection domain of the present utility model.
Claims (7)
1. the reaction rack equipment for FRP muscle pull-out test, it is characterized in that: comprise upper steel plate (1), lower steel plate (3) and vertical steel plate with ribbing (4), be fixedly connected with several steel bar rods (2) between described upper steel plate (1) and lower steel plate (3), described vertical steel plate (4) with ribbing is fixedly connected on the bottom center position of lower steel plate (3); Described upper steel plate (1) has gap (5), described gap (5) is made up of rectangle gap section (51) and circular arc gap section (52), described circular arc gap section (52) is positioned at the center of upper steel plate (1), rectangle gap section (51) is communicated with circular arc gap section (52), and rectangle gap section (51) runs through upper steel plate (1) edge.
2. according to a kind of reaction rack equipment for FRP muscle pull-out test according to claim 1, it is characterized in that: described upper steel plate (1) and lower steel plate (3) are all overall in square shape, upper steel plate (1) and lower steel plate (3) parallel alignment up and down, described steel bar rod (2) is arranged at upper steel plate (1), lower steel plate (3) near steel plate marginal position place.
3. according to a kind of reaction rack equipment for FRP muscle pull-out test according to claim 2, it is characterized in that: the quantity of described steel bar rod (2) is seven.
4. according to a kind of reaction rack equipment for FRP muscle pull-out test according to claim 1, it is characterized in that: described steel bar rod (2) and upper steel plate (1) adopt through welding T junction mode to weld, described steel bar rod (2) and lower steel plate (3) adopt through welding T junction mode to weld.
5. according to a kind of reaction rack equipment for FRP muscle pull-out test according to claim 2, it is characterized in that: the thickness of described upper steel plate (1) is 8 ~ 15mm, the length of side of upper steel plate (1) is 250 ~ 400mm; The thickness of described lower steel plate (3) is 8 ~ 15mm, and the length of side of lower steel plate (3) is 250 ~ 400mm.
6. according to a kind of reaction rack equipment for FRP muscle pull-out test described in claim 1 or 2 or 3, it is characterized in that: the length of described steel bar rod (2) is 150 ~ 160mm.
7. according to a kind of reaction rack equipment for FRP muscle pull-out test according to claim 1, it is characterized in that: described vertical steel plate (4) with ribbing is rectangular shape, and length is 80mm ~ 130mm, and width is 8 ~ 15mm, is highly 60mm ~ 100mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520044747.7U CN204346821U (en) | 2015-01-22 | 2015-01-22 | A kind of reaction rack equipment for FRP muscle pull-out test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520044747.7U CN204346821U (en) | 2015-01-22 | 2015-01-22 | A kind of reaction rack equipment for FRP muscle pull-out test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204346821U true CN204346821U (en) | 2015-05-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520044747.7U Expired - Fee Related CN204346821U (en) | 2015-01-22 | 2015-01-22 | A kind of reaction rack equipment for FRP muscle pull-out test |
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| Country | Link |
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| CN (1) | CN204346821U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108225927A (en) * | 2017-12-14 | 2018-06-29 | 武汉科技大学 | A kind of intelligent reaction frame and test device for pull-out test |
-
2015
- 2015-01-22 CN CN201520044747.7U patent/CN204346821U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108225927A (en) * | 2017-12-14 | 2018-06-29 | 武汉科技大学 | A kind of intelligent reaction frame and test device for pull-out test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150520 Termination date: 20170122 |