CN207263542U - A kind of modulus of elasticity of concrete analyzer - Google Patents
A kind of modulus of elasticity of concrete analyzer Download PDFInfo
- Publication number
- CN207263542U CN207263542U CN201721140524.6U CN201721140524U CN207263542U CN 207263542 U CN207263542 U CN 207263542U CN 201721140524 U CN201721140524 U CN 201721140524U CN 207263542 U CN207263542 U CN 207263542U
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- Prior art keywords
- ring
- concrete
- modulus
- elasticity
- upper ring
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- 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.)
- Expired - Fee Related
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- 239000004567 concrete Substances 0.000 title claims abstract description 54
- 230000015271 coagulation Effects 0.000 claims 1
- 238000005345 coagulation Methods 0.000 claims 1
- 239000002689 soil Substances 0.000 claims 1
- 238000005452 bending Methods 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 22
- 238000005516 engineering process Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 239000004035 construction material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
It the utility model is related to a kind of modulus of elasticity of concrete analyzer.The device includes upper ring and the lower ring of upper ring center overlapping of axles and multiple amesdials between upper ring and lower ring, the more supporting rods between upper ring and lower ring, some free ends that are screwed in the upper ring and lower ring extend into trip bolt in ring, and the elastomeric element contacted with concrete to be measured is connected with positioned at the free end of each trip bolt.Due to the presence of elastomeric element, can directly be contacted with concrete to be measured to avoid the free end of trip bolt, so as to avoid concrete from bending trip bolt when deforming upon, it is ensured that trip bolt reliably works next time.
Description
Technical field
It the utility model is related to construction material detection technology field, more particularly to a kind of modulus of elasticity of concrete analyzer.
Background technology
Concrete is the important construction material of major factory such as industry, national defence, civil buildings, bridge, tunnel and power station, right
The accurate test of mechanical performance of concrete, detected with quantitative methodological science building material, structural elements and processing half into
The quality condition of product, is the key for ensureing construction engineering quality.Elasticity modulus is the important mechanical property of concrete, it is reflected
Relation between stress suffered by concrete and produced strain, is to calculate the deformation of reinforced concrete structure, crack developing and big
One of parameter necessary to the temperature stress of volume concrete.
According to existing national standards《Standard for test methods of mechanical properties of ordinary concrete》(GB50081-2002) experiment
It is required that measuring instrument should meet《Dial test indicator product quality is graded》Middle technical requirements, two, amesdial (0 grade or 1 grade)
；Or precision is not less than other instrument of 0.001mm.Concrete sample size is the standard of 150mm × 150mm × 300mm
Prism, the angle between the adjacent surface of test specimen should be 90 °, its tolerance must not exceed 0.5 °；The dimensional tolerance of each length of side of test specimen
It must not exceed 1mm.It can be seen that national standard is very stringent for the required precision of experiment.Analyzer should be installed in experiment
On the center line of the test specimen both sides and symmetrically both ends with test specimen.Then test specimen is placed on pressure testing machine, makes its axle center with pushing
The center line alignment of plate, starts pressure testing machine, ball seat is adjusted when top board and test specimen are close, makes its contact balanced.It is existing
Modulus of elasticity of concrete analyzer adjust ball seat enable test specimen with top board even contact when, it is found that by range estimation adjust
Whole angle has inconvenience more, occurs deviation often, easily causes unbalance stress, left and right amesdial reading is overproof can not to continue asking for experiment
Topic.
Modulus of elasticity of concrete analyzer is disclosed in existing Chinese patent database, its number of patent application is：
201220499238.X the applying date is：2012.09.23, Authorization Notice No. is：CN202869894U, authorized announcement date are：
2013.04.10, which is included in the upside of the upper ring front and back end trip bolt correspondence position of modulus of elasticity of concrete analyzer
Install air level additional.It is disadvantageous in that：The device is that upper ring and lower ring are fixed in test block by test block trip bolt, from
And the elasticity modulus of test block is measured easy to amesdial, due to upper ring and a lower ring be completely dependent on test block trip bolt be fixed on it is to be measured
In test block, when adding external applied load at test block both ends, test block deformation while, promotes test block trip bolt to deform upon, therefore damages
Bad instrument, is not easy to elasticity modulus of the next time using device measurement concrete.
Utility model content
The purpose of this utility model is in view of the deficienciess of the prior art, i.e. test block trip bolt is easily bent, it is difficult to
Ensure that test block trip bolt reliably works next time, there is provided a kind of test block trip bolt is avoided when concrete to be measured deforms upon
Curved modulus of elasticity of concrete analyzer.
A kind of modulus of elasticity of concrete analyzer, including upper ring, with the lower ring of upper ring center overlapping of axles and positioned at upper ring
Multiple amesdials between lower ring, the more supporting rods between upper ring and lower ring, if being screwed in the upper ring and lower ring
Dry free end extends into the trip bolt in ring, and the bullet contacted with concrete to be measured is connected with positioned at the free end of each trip bolt
Property component.
During utility model works, concrete to be measured is placed into upper ring and in lower ring, then rotational fastener screw, makes tight
Gu the elastomeric element of screw is contacted with concrete, so that upper ring is each attached on concrete with lower ring, then to amesdial tune
Zero, while upper supporting rod between ring and lower ring is unclamped, forcing press is started, the upper surface of concrete and lower surface is subject to quota
External applied load, concrete to be measured deforms upon, and the amount deformed upon shows that operating personnel are according to amesdial from amesdial
Reading, the elasticity modulus of concrete to be measured is calculated using formula.
Compared with prior art, the beneficial effects of the utility model are：, can be to avoid fastening due to the presence of elastomeric element
The free end of screw is directly contacted with concrete to be measured, so as to avoid concrete from bending trip bolt when deforming upon, it is ensured that
Trip bolt reliably works next time.
It is securely seated between for the ease of elastomeric element on concrete to be measured, the elastomeric element is arc panel, the arc
Ring heart of the inner concave of shape plate towards upper ring or lower ring.
It is securely seated between for the ease of elastomeric element on concrete to be measured, the arc panel indent contacted with concrete to be measured
Wearing layer covered with increase friction on face.
The numerical value of amesdial is had an impact in order to avoid dismantling the process of supporting rod, so that measurement result is influenced, it is described
Supporting rod is telescopic rod, and telescopic rod vertical spacing is distributed between ring and lower ring, is offered on the upper ring some for inserting
The lower groove of telescopic rod one end is connect, upper groove corresponding with upper ring lower groove, each telescopic rod one are offered on the lower ring
End is plugged in lower groove, and the other end is plugged in upper groove.
Further, the telescopic rod has externally threaded round bar for the female round bar of a boring and a car, described
External screw thread is screwed on for the length for adjusting telescopic rod with internal thread.
For the ease of amesdial zeroing, the deformation quantity of concrete to be measured is more accurately measured, the amesdial is vertical
Uniformly at intervals between upper ring and lower ring, each amesdial is fixed on ring, and the contact of each amesdial is contradicted corresponding
On lower ring.
Brief description of the drawings
Fig. 1 is the top view of the utility model.
Fig. 2 is the front view of the utility model.
Wherein, ring on 1,2 times rings, 3 amesdials, 4 supporting rods, 401 telescopic rods, 5 trip bolts, 501 elastomeric elements, 502
Arc panel, 503 wearing layers.
Embodiment
Be a kind of modulus of elasticity of concrete analyzer as described in Fig. 1 and 2, including upper ring 1, with upper 1 center overlapping of axles of ring
Lower ring 2 and multiple amesdials 3 between upper ring 1 and lower ring 2, return to zero for the ease of amesdial 3, more accurately measure
Go out the deformation quantity of concrete to be measured, 3 vertical spacing of amesdial is distributed between ring 1 and lower ring 2, and each amesdial 3 is fixed on
On ring 1, the contact of each amesdial 3 is contradicted on corresponding lower ring 2, and the more supporting rods 4 between upper ring 1 and lower ring 2, are
The process of dismounting supporting rod 4 is avoided to have an impact the numerical value of amesdial 3, so as to influence measurement result, supporting rod 4 is flexible
Bar 401,401 vertical spacing of telescopic rod are distributed between ring 1 and lower ring 2, are offered on upper ring 1 and some are used for grafting telescopic rod
The lower groove of 401 one end, offers upper groove corresponding with upper 1 lower groove of ring on lower ring 2, each 401 one end of telescopic rod is plugged on
In lower groove, the other end is plugged in upper groove, and further, telescopic rod 401 is the female round bar of a boring and one
Car has an externally threaded round bar, and external screw thread and internal thread are screwed on for the length for adjusting telescopic rod 401, is revolved on upper ring 1, lower ring 2
Connect some free ends and extend into trip bolt 5 in ring, be connected with positioned at the free end of each trip bolt 5 and connect with concrete to be measured
Tactile elastomeric element 501, is securely seated between on concrete to be measured for the ease of elastomeric element 501, and elastomeric element 501 is arc
Plate 502, the inner concave of arc panel 502 are securely seated between towards the ring heart of upper ring 1 or lower ring 2 for the ease of elastomeric element 501
On concrete to be measured, the wearing layer 503 covered with increase friction on 502 inner concave of arc panel that is contacted with concrete to be measured.
During work, concrete to be measured is placed into upper ring 1 and in lower ring 2, then rotational fastener screw 5, makes trip bolt 5
Elastomeric element 501 contacted with concrete, the wearing layer 503 of arc panel 502 is firmly attached on concrete, so that upper ring
1 is each attached on concrete with lower ring 2, then returns to zero to amesdial 3, while gently rotating extensible arm 401, makes telescopic rod 401
After contraction, the supporting rod 4 between ring 1 and lower ring 2 is removed, starts forcing press, the upper surface and lower surface for making concrete are subject to
The external applied load of quota, concrete to be measured deform upon, and the amount deformed upon is shown from amesdial 3, operating personnel according to
The reading of amesdial 3, the elasticity modulus of concrete to be measured is calculated using formula.
The utility model is not limited to above-described embodiment, on the basis of technical solution disclosed in the utility model, this
The technical staff in field is according to disclosed technology contents, it is not necessary to which performing creative labour can be special to some of which technology
Sign makes some and replaces and deform, these are replaced and deformation is within the protection scope of the present utility model.
Claims (6)
1. a kind of modulus of elasticity of concrete analyzer, including upper ring, with the lower ring of upper ring center overlapping of axles and positioned at upper ring with
Multiple amesdials between lower ring, the more supporting rods between upper ring and lower ring, it is characterised in that：The upper ring and lower ring
On some free ends that are screwed on extend into trip bolt in ring, be connected with and coagulation to be measured positioned at the free end of each trip bolt
The elastomeric element of soil contact.
A kind of 2. modulus of elasticity of concrete analyzer according to claim 1, it is characterised in that：The elastomeric element is arc
Shape plate, the ring heart of the inner concave of the arc panel towards upper ring or lower ring.
A kind of 3. modulus of elasticity of concrete analyzer according to claim 2, it is characterised in that：Contacted with concrete to be measured
Arc panel inner concave on covered with increase friction wearing layer.
A kind of 4. modulus of elasticity of concrete analyzer according to claim 3, it is characterised in that：The supporting rod is flexible
Bar, telescopic rod vertical spacing are distributed between ring and lower ring, are offered on the upper ring and some are used for grafting telescopic rod one end
Lower groove, offer upper groove corresponding with upper ring lower groove on the lower ring, described each telescopic rod one end is plugged on recessed
In groove, the other end is plugged in upper groove.
A kind of 5. modulus of elasticity of concrete analyzer according to claim 4, it is characterised in that：The telescopic rod is one
The female round bar of boring and a car have externally threaded round bar, and the external screw thread is screwed on for adjusting telescopic rod with internal thread
Length.
A kind of 6. modulus of elasticity of concrete analyzer according to claim 4 or 5, it is characterised in that：The amesdial erects
Directly uniformly at intervals between upper ring and lower ring, each amesdial is fixed on ring, and the contact of each amesdial is contradicted in correspondence
Lower ring on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721140524.6U CN207263542U (en) | 2017-09-07 | 2017-09-07 | A kind of modulus of elasticity of concrete analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721140524.6U CN207263542U (en) | 2017-09-07 | 2017-09-07 | A kind of modulus of elasticity of concrete analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207263542U true CN207263542U (en) | 2018-04-20 |
Family
ID=61920235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721140524.6U Expired - Fee Related CN207263542U (en) | 2017-09-07 | 2017-09-07 | A kind of modulus of elasticity of concrete analyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207263542U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113252882A (en) * | 2021-05-08 | 2021-08-13 | 周旭东 | Concrete intellectual detection system device of usefulness is managed to building |
-
2017
- 2017-09-07 CN CN201721140524.6U patent/CN207263542U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113252882A (en) * | 2021-05-08 | 2021-08-13 | 周旭东 | Concrete intellectual detection system device of usefulness is managed to building |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180420 |