CN205228948U - Portable concrete compressive strength tester - Google Patents
Portable concrete compressive strength tester Download PDFInfo
- Publication number
- CN205228948U CN205228948U CN201520933116.0U CN201520933116U CN205228948U CN 205228948 U CN205228948 U CN 205228948U CN 201520933116 U CN201520933116 U CN 201520933116U CN 205228948 U CN205228948 U CN 205228948U
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- China
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- steel bar
- test piece
- compressive strength
- steel plate
- strength tester
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 48
- 239000010959 steel Substances 0.000 claims abstract description 48
- 238000012360 testing method Methods 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 abstract description 13
- 238000005553 drilling Methods 0.000 abstract description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 4
- 229910000639 Spring steel Inorganic materials 0.000 abstract description 4
- 229910052799 carbon Inorganic materials 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000012545 processing Methods 0.000 abstract description 2
- 230000007547 defect Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012937 correction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000013100 final test Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a portable concrete compressive strength tester, including the billet of parallel arrangement of each other, it has the vertical billet rather than the perpendicular setting to articulate in the one end of two billets, and the horizontally is provided with two round steel plates in the space that two billets and vertical billet formed, has placed the test piece between two round steel plates, is provided with the manometer that is used for showing pressure between the round steel plate on upper portion and the billet on upper portion, is provided with the spring in the other end inboard of two billets. On the basis of the core drilling method, the cylindrical test piece with the diameter and the height of 30mm is drilled in the existing concrete structure, the test piece is placed between two round steel plates of an instrument, a B-level low-stress carbon spring steel wire is connected between the upper steel plate and the lower steel plate, the upper steel plate and the lower steel plate are manually compressed, the intensity of the test piece is known by reading the number displayed on a digital display pressure gauge, the deformation quantity of the spring is passed, the elastic modulus of the test piece can be measured, the whole instrument is convenient to carry, the detection operation is simple, the processing is easy, the cost is low, and the popularization is convenient.
Description
Technical field
The utility model relates to a kind of concrete strength on-site detecting device, particularly relates to a kind of portable concrete compressive strength tester.
Background technology
At present, the method for Site Detection concrete strength is generally divided into three kinds: rebound method, core drilling method, ultrasonic-rebound method.Rebound method instrument is simple, easy to operate, it is simple and direct to calculate, but being used for the basic premise of detection architecture concrete strength is that inside and outside detected structure or concrete members, quality is basically identical, has the xoncrete structure of notable difference or inner existing defects or component then inapplicable to top layer and internal soundness.Core drilling method is rebound method complicated operation comparatively, and with certain destructiveness, by the impact of local quality quality, core crudy directly has influence on the intensity results of surveyed component, but more directly perceived.The relatively simple and convenient operation of ultrasonic-rebound method, testing result considers concrete surface and internal soundness two factors, and the advantage of existing inspection by rebound method, can reflect inside concrete quality condition again, but Whole Equipment cost is higher.For the relative merits of above detection method, when carrying out engineering site and detecting, study during a kind of intensity detecting device easy to carry, simple to operate has the realistic meaning wanted.
Because the defect that above-mentioned existing concrete situ strength detecting instrument exists, the design people, actively in addition research and innovation, to founding a kind of portable concrete compressive strength tester of new structure, make it have more practicality.
Utility model content
Fundamental purpose of the present utility model is, overcomes the defect that existing concrete situ strength detecting instrument exists, and provides a kind of novel portable concrete crushing strength tester, easy to carry, simple to operate, thus be more suitable for practicality, and there is the value in industry.
The purpose of this utility model and solve its technical matters and realize by the following technical solutions.According to a kind of portable concrete compressive strength tester that the utility model proposes, include the steel bar of setting parallel to each other, the vertical steel bar of perpendicular setting is hinged with in one end of two described steel bars, in the space that two steel bars and vertical steel bar are formed, level is provided with two round plates, test specimen is placed with between two round plates, being provided with the tensimeter for showing pressure between the round plate on top and the steel bar on top, inside the other end of two described steel bars, being provided with spring.
Further, aforesaid portable concrete compressive strength tester, is provided with height adjuster in the centre position of described vertical steel bar.
Further, aforesaid portable concrete compressive strength tester, is provided with rectangle bloom between the described round plate and the described steel bar of bottom of bottom, and bloom and round plate are according to the position of round plate bottom the shape adjustments of test specimen.
Further, aforesaid portable concrete compressive strength tester, described vertical steel bar by the upper and lower two ends of height adjuster respectively connecting thread steel bar form, screw thread in the other direction, turns adjustable-height.
By technique scheme, portable concrete compressive strength tester of the present utility model at least has following advantages:
The utility model portable concrete compressive strength tester is in conjunction with core drilling method advantage more intuitively, by the boring of 30mm on the basis of core drilling method, in active service xoncrete structure, drill through diameter and be highly all the cylinder specimen of 30mm, between two pieces of round plates test specimen being placed on instrument, B level low stress carbon spring steel wires is connected between upper and lower steel bar, manually in compression, lower two steel bars, the registration read on digital display manometer just knows the intensity of test specimen, by the deformation quantity of spring, the bullet mould of test specimen can be calculated, overall instrument is easy to carry, detect simple to operate, easy processing, cost is low, convenient popularization.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to better understand technological means of the present utility model, and can be implemented according to the content of instructions, coordinates accompanying drawing to be described in detail as follows below with preferred embodiment of the present utility model.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model portable concrete compressive strength tester;
Fig. 2 is that the utility model round plate is connected vertical view with test specimen;
Fig. 3 is core boring sampling schematic diagram;
Implication is marked: 1. tensimeter, 2. spring, 3. steel bar, 4. round plate, 5. test specimen in figure, 6. hinged, 7. height adjuster, 8. rectangle bloom, 9. vertical steel bar.
Embodiment
For further setting forth the utility model for the technological means reaching predetermined utility model object and take and effect, below in conjunction with accompanying drawing and preferred embodiment, embodiment of the present utility model is described in detail as follows.
The structural representation of portable concrete compressive strength tester of the present utility model as depicted in figs. 1 and 2, includes tensimeter 1, spring 2, steel bar 3, round plate 4, test specimen 5, hinged 6, height adjuster 7, rectangle bloom 8 and vertical steel bar 9.
Wherein the contour structures of portable concrete compressive strength tester comprises the steel bar 3 of upper and lower two settings parallel to each other, the vertical steel bar 9 of perpendicular setting is had in one end of two steel bars 3 hinged 6, be connected with spring 2 inside the other end of two steel bars 3, spring 2 is B level low stress carbon spring steel wires.Two round plates 4 parallel to each other are provided with in the middle of the steel bar 3 of upper and lower two settings parallel to each other, tensimeter 1 is provided with between the round plate 4 of its middle and upper part and the steel bar 3 on top, between bottom round plate 4 and the steel bar 3 of bottom, be welded with rectangle bloom 8, test specimen 5 is placed between two round plates 4.The centre position of vertical steel bar 9 is provided with height adjuster 7, and the two ends up and down of height adjuster 7 respectively connecting thread steel bar form vertical steel bar 9, and hand of spiral is contrary, can rotate adjustment height by height adjuster 7.
During test concrete stress, both hands act on upper and lower two steel bars 3 and just can, by connecting the compression deformation of B level low stress carbon spring steel wires between upper and lower steel bar 3, simply can measure the deflection of spring, utilize the registration that pressure device reads, can according to stress (σ
o) calculate play mould (E) with strain (ξ) relation.
Measured value (σ
o) not the intensity of final test specimen, actual strength also will consider following factor:
1. component surface intensity temperature when 4. humidity test when 2. 3. the age of concrete tests
So the intensity of last test specimen is as follows:
σ＝σ
o*K1*K2*K3*K4
Wherein, K
1(coefficient in the length of time)=1.0, K
2(residing for structure environment)=1.0, K
3(experiment condition coefficient)=1.0, K
4(hardness correction factor)=0.8 ~ 1.0.
The above, it is only preferred embodiment of the present utility model, not any pro forma restriction is done to the utility model, although the utility model discloses as above with preferred embodiment, but and be not used to limit the utility model, any those skilled in the art, do not departing within the scope of technical solutions of the utility model, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solutions of the utility model, according to any simple modification that technical spirit of the present utility model is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (4)
1. a portable concrete compressive strength tester, it is characterized in that: the steel bar (3) including setting parallel to each other, the vertical steel bar (9) of perpendicular setting is had in one end of two described steel bars (3) hinged (6), in the space that two described steel bars (3) and vertical steel bar (9) are formed, level is provided with two round plates (4), test specimen (5) is placed with between two round plates (4), the tensimeter (1) for showing pressure is provided with between the round plate (4) on top and the steel bar (3) on top, spring (2) is provided with inside the other end of described two steel bars (3).
2. portable concrete compressive strength tester according to claim 1, is characterized in that: the centre position of described vertical steel bar (9) is provided with height adjuster (7).
3. portable concrete compressive strength tester according to claim 1 and 2, is characterized in that: between the described round plate (4) and the described steel bar (3) of bottom of bottom, be provided with rectangle bloom (8).
4. portable concrete compressive strength tester according to claim 2, is characterized in that: described vertical steel bar (9) is made up of height adjuster (7) upper and lower two ends difference connecting thread steel bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520933116.0U CN205228948U (en) | 2015-11-20 | 2015-11-20 | Portable concrete compressive strength tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520933116.0U CN205228948U (en) | 2015-11-20 | 2015-11-20 | Portable concrete compressive strength tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205228948U true CN205228948U (en) | 2016-05-11 |
Family
ID=55904005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520933116.0U Active CN205228948U (en) | 2015-11-20 | 2015-11-20 | Portable concrete compressive strength tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205228948U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105466774A (en) * | 2015-11-20 | 2016-04-06 | 苏交科集团股份有限公司 | Hand-held type concrete compression test device |
| CN109406282A (en) * | 2018-12-13 | 2019-03-01 | 深圳市华科达检测有限公司 | A kind of masonry structure compressive property detection device and detection method |
| CN113533063A (en) * | 2021-07-12 | 2021-10-22 | 山东省建筑科学研究院有限公司 | Portable cement soil test block strength detection device and working method |
-
2015
- 2015-11-20 CN CN201520933116.0U patent/CN205228948U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105466774A (en) * | 2015-11-20 | 2016-04-06 | 苏交科集团股份有限公司 | Hand-held type concrete compression test device |
| CN109406282A (en) * | 2018-12-13 | 2019-03-01 | 深圳市华科达检测有限公司 | A kind of masonry structure compressive property detection device and detection method |
| CN109406282B (en) * | 2018-12-13 | 2021-04-09 | 深圳市华科达检测有限公司 | Masonry structure compression resistance detection equipment and detection method |
| CN113533063A (en) * | 2021-07-12 | 2021-10-22 | 山东省建筑科学研究院有限公司 | Portable cement soil test block strength detection device and working method |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |