CN110231361A - Runway Surface freezing-thawing resistance monitoring device - Google Patents
Runway Surface freezing-thawing resistance monitoring device Download PDFInfo
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- CN110231361A CN110231361A CN201910581169.3A CN201910581169A CN110231361A CN 110231361 A CN110231361 A CN 110231361A CN 201910581169 A CN201910581169 A CN 201910581169A CN 110231361 A CN110231361 A CN 110231361A
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- fixed
- guide rod
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- 238000010257 thawing Methods 0.000 title claims abstract description 22
- 238000012806 monitoring device Methods 0.000 title claims abstract description 8
- 230000004580 weight loss Effects 0.000 abstract description 12
- 238000012360 testing method Methods 0.000 description 26
- 238000000034 method Methods 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 4
- 238000005303 weighing Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000004087 circulation Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000005074 turgor pressure Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/14—Investigating or analyzing materials by the use of thermal means by using distillation, extraction, sublimation, condensation, freezing, or crystallisation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/04—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
Landscapes
- 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 present invention provides runway Surface freezing-thawing resistance monitoring device, effective solution in the prior art is inconvenient to determine to concrete sample weight loss amount, and cumbersome, data are more, calculate it is cumbersome, the problem of inefficiency；Its solve technical solution be, including rectangular frame, have multiple horizontal positioned in frame and is in plate uniformly distributed up and down, there is a translot on each plate, there are two the connecting rods being "X" shape in translot, plate forms a telescopic unit with two connecting rods thereon, multiple telescopic unit head and the tail connect and compose telescopic device, tension spring is connected between two adjacent plates, plate in the top is fixed together through connecting rod and frame, container is fixed with below plate in bottom, concrete sample is placed in container, there are a vertical guide rod in telescopic device two sides, plate can slide up and down on guide rod；It is fixed with vertical upright bar on the right side of box cavity, cylinder is set in upright bar, cylinder is capable of fixing in upright bar.
Description
Technical field
The present invention relates to weight concrete detection technique fields, especially runway Surface freezing-thawing resistance monitoring dress
It sets.
Background technique
Concrete through freeze-thaw test is that the physical action (Drought-wet change, temperature change, freeze thawing variation etc.) that concrete is subject to produces
Raw damage.The main reason for causing concrete frost and melt damage is the water in concrete voids, is made in alternation of wetting and drying, Frozen-thawed cycled
Under, formed ice turgor pressure power and osmotic pressure synergy fatigue stress, make concrete generate from outward appearance to inner essence degrade destruction,
To reduce concrete strength.The runway on airport, it is desirable that it is extremely stringent, by once freezing to runway Surface concrete
Knot, multigelation influence the research of final strength after enduring cold, and show that influence of the multigelation to pavement concretec is less than primary freeze
The conclusion of knot, and pavement concretec mechanism freeze proof in early days is analyzed, facilitate airfield pavement construction, extends road face workover rig and beat
Grind the period.
In existing concrete freezing-thawing test, freezing-thawing is simulated, is constantly recycled, the mass loss of concrete is then detected
And appearance, reaching one of following three kinds of situations in freeze thawing can stop testing: 1. to reach 300 circulations；2. opposite dynamic elasticity
Modulus drops to 60% or less；3. weight loss reaches 5%.
Relatively complicated for the assessment component of weight loss in practical operation, existing operation is suitable on airport first
Region acquires multiple representative concrete samples, and carries out preliminary treatment, and quality is then carried out before Frozen-thawed cycled
Weighing obtains test specimen original weight, carries out weight measurement again after the visibly moved certain number of circulation, subsequently with before it is vertical into
Row comparison, determines whether that weight loss reaches 5%.Since test specimen has multiple, and all there is difference in grab sample, size and quality
It is different, it is determined that needing to weigh the quality before and after Frozen-thawed cycled of each test specimen when weight loss, then pass through calculated result
Determined, cumbersome, computationally intensive, the data for needing to record are more, inefficiency, and manual labor's amount is also larger.
Summary of the invention
For above situation, for the defect for overcoming the prior art, the present invention provides runway Surface freezing-thawing resistances
Monitoring device, effective solution in the prior art be inconvenient to determine to concrete sample weight loss amount, cumbersome, data
It is more, calculate it is cumbersome, the problem of inefficiency.
Its technical solution solved is including rectangular frame, is had in frame multiple horizontal positioned and in uniformly distributed flat up and down
Plate, there is the translot arranged and communicated in the horizontal direction up and down on each plate, and there are two the companies being "X" shape in translot
Bar, two connecting rods centre positions and translot are hinged, and plate forms a telescopic unit with two connecting rods thereon, multiple
Telescopic unit head and the tail connect and compose telescopic device, are connected with tension spring between two adjacent plates, the plate warp in the top
Connecting rod is fixed together with frame, and container is fixed with below the plate in bottom, concrete sample is placed in container, stretches
There are a vertical guide rod in compression apparatus two sides, and guide rod sequentially passes through multiple plates from top to bottom, and guide rod and frame are fixed on one
It rises, plate can slide up and down on guide rod；It is fixed with vertical upright bar on the right side of box cavity, being set in upright bar can slide up and down
Cylinder, cylinder is capable of fixing in upright bar.
Structure of the invention is ingenious, reduces the dependence to data record, easy to operate, reduces manual labor's amount, eliminates
Calculating process greatly improves working efficiency, reduces the dependence of data.
Detailed description of the invention
Fig. 1 is front sectional view of the present invention.
Fig. 2 is the structure chart of the frame and guide rod, upright bar thereon in the present invention.
Fig. 3 is the telescopic unit structure chart in the present invention.
Schematic diagram when Fig. 4 is of the invention specifically used.
Specific embodiment
Further description is made to a specific embodiment of the invention below in conjunction with attached drawing.
It is provided by Fig. 1 to Fig. 4, the present invention includes rectangular frame 1, has multiple horizontal positioned in frame 1 and is in uniformly distributed up and down
Plate 2, have the translot 3 arranged and communicated in the horizontal direction up and down on each plate 2, there are two be in " X " in translot 3
The connecting rod 4 of shape, two intermediate positions of connecting rod 4 and translot 3 are hinged, and plate 2 forms one with two connecting rods 4 thereon and stretches
Contracting unit, multiple telescopic unit head and the tail connect and compose telescopic device, tension spring are connected between two adjacent plates 2, in most
The plate 2 of top is fixed together through connecting rod and frame 1, is fixed with container 5 below the plate 2 in bottom, in container 5
Concrete sample 6 is placed, there are a vertical guide rod 7 in telescopic device two sides, and guide rod 7 sequentially passes through multiple plates from top to bottom
2, guide rod 7 is fixed together with frame 1, and plate 2 can slide up and down on guide rod 7；Vertical stand is fixed on the right side of box cavity
Bar 8 is set with the cylinder 9 that can be slided up and down in upright bar 8, and cylinder 9 is capable of fixing in upright bar 8.
In order to realize that arbitrary height that cylinder 9 is capable of fixing in upright bar 8, the circle lead to horizontal through having on side wall
Housing screw, for housing screw with cylinder 9 through being threadedly coupled, housing screw can be such that cylinder 9 is fixed in upright bar 8.
In order to facilitate observation, and then understand the weight loss amount of concrete sample 6, the quantity of the plate 2 is 101
A, the height of cylinder 9 is equal to five times of distance between two neighboring plate 2 under natural conditions.
In order to facilitate the height of positioning cylinder 9, there is the first indicator light 10 in 1 upper end of frame, and 9 upper end of cylinder is close to stretch
There is the electrode 11 of strip on the side of compression apparatus, have the first contact 12 on the 6th plate 2 of number from bottom to top, when the first touching
First 12 with electrode 11 contact when, the first indicator light 10 be powered and it is shinny；There is the second indicator light 13 in 1 upper end of frame, is in bottom
Plate 2 on have the second contact 14, when the second contact 14 is contacted with electrode 11, the second indicator light 13 is shinny.
It is worth noting that, be green light when the first indicator light 10 is bright, the second indicator light 13 is feux rouges, circle when bright
Electrode 11 on cylinder 9 connects to power supply；The length of electrode 11 is equal with the height of cylinder 9.
The principle of the present invention is exactly the telescoping mechanism formed using the connecting rod 4 of multiple " X " shapes, and between multiple plates 2
Distance keep it is equal.First time weighing is carried out first, and when placing concrete sample 6 in container 5, the weight of concrete is through holding
Device 5 drives downwards multiple plates 2 while moving down, and when equilibrium is reached, the distance between two adjacent plates 2 uniformly become
Big and holding is mutually equal, and the total elongation for being displaced as telescoping mechanism that the plate 2 of bottom moves down, general extension
Amount is equal to 100 times of the variable quantity of distance between two neighboring plate 2, can carry out freezing-thawing test, freezing and thawing test at this time
After the completion, it then will be placed in container 5 after surface of test piece cleaning, the total elongation of telescoping mechanism can accordingly reduce at this time, most
The position when plate 2 of lower section is weighed relative to first time can move up, when the amount that total elongation reduces is less than 5%, it was demonstrated that mixed
The loss amount of solidifying soil 6 weight of test specimen can continue freezing-thawing test less than 5%, if the amount that total elongation reduces is greater than 5%,
It proves that 6 weight loss amount of concrete sample is greater than 5%, freezing-thawing test can be stopped.
Before use, handling concrete sample 6 according to concrete fast freeze-thaw test working specification, and by concrete sample 6
Carry out corresponding preliminary treatment.In use, being placed in the concrete sample 6 completed is pre-processed in container 5, container 5 will be multiple
Plate 2 moves down, and the distance between multiple plates 2 keep equal, after telescopic device reaches balance, telescopic device
Total elongation is equal to the displacement that the plate 2 of bottom moves down, and is also equal to the variation of distance between two adjacent plates 2
100 times of amount, move cylinder 9 at this time and the electrode 11 on cylinder 9 are contacted with the first contact 12, the first indicator light 10 issues green
Light turns housing screw at this time and cylinder 9 is fixed in upright bar 8 by housing screw, weighs complete for the first time, then remove mixed
Solidifying soil test specimen 6 simultaneously carries out freezing-thawing test, and telescopic device also restores to the original state；After thawing recycles, by 6 table of concrete sample
Surface area water is cleaned out and wiped to dross on face, and concrete sample 6 is put into container 5 again, until telescopic device reaches
To after balance, if the plate 2 of bottom is in 9 lower end of cylinder or less at this time, it was demonstrated that the weight loss amount of concrete sample 6 is less than
5%, Frozen-thawed cycled can be continued；If the plate 2 of bottom touches electrode 11 at this time, the second indicator light 13 flashes the redlight,
It proves that the weight loss of concrete sample 6 has been above 5%, freezing-thawing test can be stopped；If the first indicator light 10 and second at this time
Indicator light 13 does not work and the plate 2 in bottom is higher than 9 upper end of cylinder, it was demonstrated that the weight loss amount of concrete sample 6 is tight
Weight is bigger than normal.
Certainly, when each freezing-thawing test, in order to reduce error and increase the confidence level of test, the general meeting of concrete sample 6
Take multiple, there are two types of methods to solve, first, the cylinder 9 in upright bar 8 is arranged multiple, each test specimen and one of cylinder 9 are right
It answers, is that standard carries out assessment of loss amount, but this kind of method is easy to produce circle with cylinder 9 corresponding thereto when measuring test specimen
Interference between cylinder 9 is suitable for the biggish test specimen of mass difference, and is easy to obscure；Second, multiple present apparatus are placed in same
On a big bracket, when weighing, concrete sample 6 is placed in cell therefor 5 for an each test specimen corresponding present apparatus, point
Operation is opened, this method occupied space is larger, but efficiency is higher relative to first method, it is not easy to obscure.
Advantages of the present invention:
1. the present invention uses multiple " X " shape structure composition telescopic devices, realizes and contacted the weight of total elongation and test specimen
Come, total elongation is divided into 100 equal portions, total elongation reduces the weight for illustrating test specimen, does not need to weigh record test specimen
Weight, it is only necessary to be marked with cylinder 9, the loss amount of 6 weight of concrete sample, letter then can be got information about by observation
Folk prescription just, visual result.
2. the present invention is in use, when first weighs, in order to determine the position of cylinder 9, it at this time should will be on cylinder 9
11 upper end of electrode of strip just contacted with the first contact 12, the first indicator light 10, which is powered, issues green light, by certain time
After several Frozen-thawed cycleds, when weighing again, concrete has weight loss at this time, so the first contact 12 is separated with motor, first
Indicator light 10 powers off；When the mass loss of concrete sample 6 reaches 5%, the second indicator light 13 is initially powered up and issues feux rouges,
It can stop freezing-thawing test；Observer can be allowed intuitively to comment by the variation of two indicator lights and the position of bottom plate 2
Estimate concrete quality loss amount, it is convenient and efficient, shorten and weighs the time.
Claims (4)
1. runway Surface freezing-thawing resistance monitoring device, which is characterized in that including rectangular frame (1), have in frame (1) more
It is a to be horizontally arranged and be in plate (2) uniformly distributed up and down, there is one to arrange and communicate in the horizontal direction up and down on each plate (2)
Translot (3), there are two the connecting rod (4) being "X" shape in translot (3), the intermediate position of two connecting rods (4) is hinged on translot (3)
Together, plate (2) forms a telescopic unit with two connecting rods (4) thereon, and multiple telescopic unit head and the tail connect and compose flexible
Device is connected with tension spring between two adjacent plates (2), and the plate (2) in the top is fixed through connecting rod and frame (1)
Together, it is fixed with container (5) below the plate in bottom (2), places concrete sample (6) in container (5), stretch dress
Setting two sides has a vertical guide rod (7), and guide rod (7) sequentially passes through multiple plates (2) from top to bottom, guide rod (7) and frame
(1) it is fixed together, plate (2) can slide up and down on guide rod (7)；Vertical upright bar (8) are fixed on the right side of box cavity, are stood
The cylinder (9) that can be slided up and down is set on bar (8), cylinder (9) is capable of fixing on upright bar (8).
2. runway Surface freezing-thawing resistance monitoring device according to claim 1, which is characterized in that the circle is logical
Through there is horizontal housing screw on side wall, for housing screw with cylinder (9) through being threadedly coupled, housing screw can make cylinder (9)
It is fixed on upright bar (8).
3. runway Surface freezing-thawing resistance monitoring device according to claim 1, which is characterized in that the plate
(2) quantity is that (101) are a, and the height of cylinder (9) is equal to five times of distance between two neighboring plate (2) under natural conditions.
4. runway Surface freezing-thawing resistance monitoring device according to claim 3, which is characterized in that the frame
(1) upper end has the first indicator light (10), and there is the electrode (11) of strip in cylinder (9) upper end on the side of telescopic device, by
There are the first contact (12) on the 6th plate (2) of number upwards down, when the first contact (12) and electrode (11) contact, first refers to
Show lamp (10) be powered and it is shinny；Frame (1) upper end has the second indicator light (13), has the second touching on the plate (2) in bottom
Head (14), when the second contact (14) and electrode (11) contact, the second indicator light (13) is shinny.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910581169.3A CN110231361B (en) | 2019-06-29 | 2019-06-29 | Anti freeze thawing ability monitoring devices of airport runway pavement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910581169.3A CN110231361B (en) | 2019-06-29 | 2019-06-29 | Anti freeze thawing ability monitoring devices of airport runway pavement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110231361A true CN110231361A (en) | 2019-09-13 |
| CN110231361B CN110231361B (en) | 2020-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910581169.3A Expired - Fee Related CN110231361B (en) | 2019-06-29 | 2019-06-29 | Anti freeze thawing ability monitoring devices of airport runway pavement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110231361B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117923846A (en) * | 2024-03-25 | 2024-04-26 | 中铁二十三局集团有限公司 | Waste slag water stable material proportion externally doped with basalt fibers and evaluation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5052819A (en) * | 1989-06-12 | 1991-10-01 | Baratta Francis I | Method of and apparatus for nondestructively determining the composition of an unknown material sample |
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| US20120128537A1 (en) * | 2009-05-18 | 2012-05-24 | Inerco, Ingenieria, Technologia Y Consultoria, S.A . | Device for automatic in-line measurement of mass loss by calcination and thermal decomposition of solid particles |
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| CN105181736A (en) * | 2015-08-14 | 2015-12-23 | 东南大学 | Rock and earth mass frost heaving parameter in-situ tester |
| CN105334240A (en) * | 2015-11-11 | 2016-02-17 | 中国科学院武汉岩土力学研究所 | Rock fracture frost heaving deformation testing device |
| CN107631940A (en) * | 2017-10-25 | 2018-01-26 | 武汉科技大学 | A kind of rock fracture frost heave force test device under Action of Vertical Loads |
| CN207689307U (en) * | 2017-11-10 | 2018-08-03 | 崔云飞 | A kind of soil moisture environmental protection test equipment |
| CN109387536A (en) * | 2018-12-07 | 2019-02-26 | 甘肃省交通建设集团有限公司 | A kind of automation dry and wet roadbed freezing and thawing circulating test device and test method |
| CN209022107U (en) * | 2018-09-21 | 2019-06-25 | 广西电网有限责任公司电力科学研究院 | A kind of spring supporting bar for surveying stroke |
-
2019
- 2019-06-29 CN CN201910581169.3A patent/CN110231361B/en not_active Expired - Fee Related
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5052819A (en) * | 1989-06-12 | 1991-10-01 | Baratta Francis I | Method of and apparatus for nondestructively determining the composition of an unknown material sample |
| US20120128537A1 (en) * | 2009-05-18 | 2012-05-24 | Inerco, Ingenieria, Technologia Y Consultoria, S.A . | Device for automatic in-line measurement of mass loss by calcination and thermal decomposition of solid particles |
| CN101788442A (en) * | 2010-01-15 | 2010-07-28 | 重庆大学 | Ultra-low temperature freeze-thaw cycle test method of cement-based material |
| CN204389155U (en) * | 2015-01-30 | 2015-06-10 | 安徽江淮汽车股份有限公司 | A kind of measurement mechanism of spring |
| CN105181736A (en) * | 2015-08-14 | 2015-12-23 | 东南大学 | Rock and earth mass frost heaving parameter in-situ tester |
| CN105334240A (en) * | 2015-11-11 | 2016-02-17 | 中国科学院武汉岩土力学研究所 | Rock fracture frost heaving deformation testing device |
| CN107631940A (en) * | 2017-10-25 | 2018-01-26 | 武汉科技大学 | A kind of rock fracture frost heave force test device under Action of Vertical Loads |
| CN207689307U (en) * | 2017-11-10 | 2018-08-03 | 崔云飞 | A kind of soil moisture environmental protection test equipment |
| CN209022107U (en) * | 2018-09-21 | 2019-06-25 | 广西电网有限责任公司电力科学研究院 | A kind of spring supporting bar for surveying stroke |
| CN109387536A (en) * | 2018-12-07 | 2019-02-26 | 甘肃省交通建设集团有限公司 | A kind of automation dry and wet roadbed freezing and thawing circulating test device and test method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117923846A (en) * | 2024-03-25 | 2024-04-26 | 中铁二十三局集团有限公司 | Waste slag water stable material proportion externally doped with basalt fibers and evaluation method thereof |
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| CN110231361B (en) | 2020-07-31 |
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