CN114252366A - Testing device and calculating method for artificial stone surface water absorption - Google Patents
Testing device and calculating method for artificial stone surface water absorption Download PDFInfo
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- CN114252366A CN114252366A CN202111438112.1A CN202111438112A CN114252366A CN 114252366 A CN114252366 A CN 114252366A CN 202111438112 A CN202111438112 A CN 202111438112A CN 114252366 A CN114252366 A CN 114252366A
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- 239000002969 artificial stone Substances 0.000 title claims abstract description 58
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 38
- 238000012360 testing method Methods 0.000 title claims abstract description 30
- 239000002352 surface water Substances 0.000 title claims abstract description 11
- 238000000034 method Methods 0.000 title claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- 239000011521 glass Substances 0.000 claims abstract description 49
- 239000011248 coating agent Substances 0.000 claims description 21
- 238000000576 coating method Methods 0.000 claims description 21
- 238000007789 sealing Methods 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 238000001704 evaporation Methods 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 3
- 239000002103 nanocoating Substances 0.000 claims description 3
- 230000008859 change Effects 0.000 abstract description 4
- 238000004364 calculation method Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 238000005481 NMR spectroscopy Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000005251 gamma ray Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration 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
- G01N13/00—Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/284—Electromagnetic waves
- G01F23/292—Light, e.g. infrared or ultraviolet
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- General Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Health & Medical Sciences (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention discloses a device for testing the surface water absorption of an artificial stone and a calculation method. Testing arrangement includes the hydraulic stem, is equipped with the rostone sample on the hydraulic stem, and the upper end of rostone sample is equipped with the glass tube subassembly, and the glass tube subassembly is connected with the rostone sample through sealed waterproof pad, and the glass tube subassembly is established on the mount, and the top of glass tube subassembly is equipped with laser range finder, is equipped with the humiture subassembly on the mount. According to the invention, the volume change of water in the glass tube assembly is measured, the initial value and the final value of the water level are recorded, the difference value between the initial value and the final value is calculated to obtain the amount of absorbed water, namely the capillary water absorption rate of a unit area can be calculated, and the stored data can be continuously collected to obtain the curve relation between the capillary water absorption rate and time.
Description
Technical Field
The invention relates to the technical field of artificial stone surface water absorption calculation, in particular to a device and a method for testing the artificial stone surface water absorption.
Background
At present, methods for determining the capillary water absorption rate and the internal water migration or distribution rule of a material mainly comprise nuclear magnetic resonance, a sensor technology, a gamma ray and neutron imaging technology and the like. However, most of them adopt a weighing method, that is, the accumulated change of the water absorption quality per unit area of the concrete test piece in a certain time interval is measured.
Chinese patent CN 201310441396.9 discloses an automatic test system for capillary water absorption of concrete surface, which calculates the capillary water absorption by using the weight of weighed water. Although the weighing method is simple to operate, convenient and easy to implement, a plurality of factors influencing the water absorption of the concrete exist, and the change of a certain factor can cause a large deviation of a test result, even an improper conclusion can be obtained, and the accuracy is very poor.
Disclosure of Invention
The invention aims to provide a device for testing the surface water absorption of an artificial stone and a calculation method. According to the testing device and the calculating method, the technical scheme adopted by the invention is as follows:
according to one aspect of the invention, the testing device comprises a hydraulic rod, an artificial stone sample is arranged on the hydraulic rod, a glass tube assembly is arranged at the upper end of the artificial stone sample and connected with the artificial stone sample through a sealing waterproof pad, the glass tube assembly is arranged on a fixing frame, a laser range finder is arranged above the glass tube assembly, and a temperature and humidity assembly is arranged on the fixing frame.
Preferably, the glass tube assembly comprises a first tube section and a second tube section, the lower end of the first tube section and the upper end of the second tube section are connected into a whole, and the radius of the first tube section is smaller than that of the second tube section.
Preferably, the humiture subassembly includes thermometer and hygrothermograph, both fixed connection of thermometer and hygrothermograph are in on the mount.
Preferably, the device further comprises a storage display, and the storage display is connected with the laser range finder and used for displaying the test data of the laser range finder.
Preferably, the method for calculating the water absorption of the surface of the artificial stone comprises the following steps:
(1) coating a layer of coating on the artificial stone at the temperature of 20 +/-2 ℃ and the humidity of 60 +/-5%, drying to constant weight, and cooling to obtain an artificial stone sample;
(2) placing the artificial stone sample on a hydraulic rod, and enabling the surface of the artificial stone sample to be abutted against a sealing waterproof pad through the hydraulic rod;
(3) pouring water into the glass tube assembly, and measuring the value A before the water level in the glass assembly falls by a laser range finder1And the value A after the water level has dropped2；
(4) According to the radius r of the first pipe section1Radius r of the second pipe section2Evaporation capacity value A of Water in glass tube Assembly0Step (3) A1And A2Using the formula:
the water absorption per unit area can be calculated.
Preferably, the coating in step (1) is one of an organic coating, an inorganic coating and a composite nano-coating.
The technical scheme adopted by the invention has the following remarkable effects:
(1) the testing device comprises a hydraulic rod, wherein an artificial stone sample is arranged on the hydraulic rod, a glass tube assembly is arranged at the upper end of the artificial stone sample and is connected with the artificial stone sample through a sealing waterproof pad, the glass tube assembly is arranged on a fixing frame, a laser range finder is arranged above the glass tube assembly, and a temperature and humidity assembly is arranged on the fixing frame. According to the invention, the volume change of water in the glass tube assembly is measured, the initial value and the final value of the water level are recorded, the difference value between the initial value and the final value is calculated to obtain the amount of absorbed water, and the capillary water absorption rate of a unit area can be calculated.
(2) The device also comprises a storage display, wherein the storage display is connected with the laser range finder and used for displaying the test data of the laser range finder and continuously collecting the storage data to obtain the curve relation between the capillary water absorption and the time.
Drawings
Fig. 1 is a schematic structural view of the present invention.
The method comprises the following steps of 1-a hydraulic rod, 2-an artificial stone sample, 3-a first pipe section, 4-a second pipe section, 5-a sealing waterproof pad, 6-a fixing frame, 7-a laser range finder, 8-a temperature meter and 9-a humidity meter.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings by way of examples of preferred embodiments. It should be noted, however, that the numerous details set forth in the description are merely for the purpose of providing the reader with a thorough understanding of one or more aspects of the present invention, which may be practiced without these specific details.
Example 1
As shown in fig. 1, according to the testing device and the calculating method for the surface water absorption of the artificial stone, the testing device comprises a hydraulic rod, an artificial stone sample is arranged on the hydraulic rod, a glass tube assembly is arranged at the upper end of the artificial stone sample, the glass tube assembly comprises a first tube section and a second tube section, the lower end of the first tube section and the upper end of the second tube section are connected into a whole, and the radius of the first tube section is smaller than that of the second tube section. The glass tube assembly is connected with the artificial stone sample through the sealed waterproof pad, the glass tube assembly is arranged on the fixing frame, the laser range finder is arranged above the glass tube assembly, and the temperature and humidity assembly is arranged on the fixing frame. The humiture subassembly includes thermometer and hygronom, and the equal fixed connection of thermometer and hygronom is on the mount.
A method for calculating the water absorption of the surface of an artificial stone comprises the following steps:
(1) coating a layer of coating on the artificial stone at the temperature of 18 ℃ and the humidity of 55%, wherein the coating is an organic coating, drying to constant weight, and cooling to obtain an artificial stone sample, and the specification of the test block is 100 x 20 mm;
(2) placing the artificial stone sample on a hydraulic rod, and enabling the surface of the artificial stone sample to be abutted against a sealing waterproof pad through the hydraulic rod;
(3) pouring water into the glass tube assembly, and measuring the initial water level value in the glass assembly by using a laser range finderA1And a value A when the water level reaches a constant value after falling2The amount of water evaporated in each hour in the glass tube assembly was calculated using a blank experiment and recorded as a basic error A0；
(4) According to the radius r of the first pipe section1Radius r of the second pipe section2Evaporation capacity value A of Water in glass tube Assembly0Step (3) A1And A2Using the formula:
the water absorption per unit area can be calculated.
Example 2
As shown in fig. 1, according to the testing device and the calculating method for the surface water absorption of the artificial stone, the testing device comprises a hydraulic rod, an artificial stone sample is arranged on the hydraulic rod, a glass tube assembly is arranged at the upper end of the artificial stone sample, the glass tube assembly comprises a first tube section and a second tube section, the lower end of the first tube section and the upper end of the second tube section are connected into a whole, and the radius of the first tube section is smaller than that of the second tube section. The glass tube assembly is connected with the artificial stone sample through the sealed waterproof pad, the glass tube assembly is arranged on the fixing frame, the laser range finder is arranged above the glass tube assembly, and the temperature and humidity assembly is arranged on the fixing frame. The humiture subassembly includes thermometer and hygronom, and the equal fixed connection of thermometer and hygronom is on the mount.
A method for calculating the water absorption of the surface of an artificial stone comprises the following steps:
(1) coating a coating on the artificial stone at the temperature of 20 ℃ and the humidity of 60%, wherein the coating is an inorganic coating, drying to constant weight, and cooling to obtain an artificial stone sample, and the specification of the test block is 100 x 20 mm;
(2) placing the artificial stone sample on a hydraulic rod, and enabling the surface of the artificial stone sample to be abutted against a sealing waterproof pad through the hydraulic rod;
(3) pouring water into the glass tube assembly, and measuring the value A before the water level in the glass assembly falls by a laser range finder1And the value A after the water level has dropped2；
(4) According to the radius r of the first pipe section1Radius r of the second pipe section2Evaporation capacity value A of Water in glass tube Assembly0Step (3) A1And A2Using the formula:
the water absorption per unit area can be calculated.
Example 3
As shown in fig. 1, according to the testing device and the calculating method for the surface water absorption of the artificial stone, the testing device comprises a hydraulic rod, an artificial stone sample is arranged on the hydraulic rod, a glass tube assembly is arranged at the upper end of the artificial stone sample, the glass tube assembly comprises a first tube section and a second tube section, the lower end of the first tube section and the upper end of the second tube section are connected into a whole, and the radius of the first tube section is smaller than that of the second tube section. The glass tube assembly is connected with the artificial stone sample through the sealed waterproof pad, the glass tube assembly is arranged on the fixing frame, the laser range finder is arranged above the glass tube assembly, and the temperature and humidity assembly is arranged on the fixing frame. The humiture subassembly includes thermometer and hygronom, and the equal fixed connection of thermometer and hygronom is on the mount.
A method for calculating the water absorption of the surface of an artificial stone comprises the following steps:
(1) coating a layer of coating on the artificial stone at the temperature of 22 ℃ and the humidity of 65%, wherein the coating is a composite nano coating, drying to constant weight, and cooling to obtain an artificial stone sample;
(2) placing the artificial stone sample on a hydraulic rod, and enabling the surface of the artificial stone sample to be abutted against a sealing waterproof pad through the hydraulic rod;
(3) pouring water into the glass tube assembly, and measuring the value A before the water level in the glass assembly falls by a laser range finder1And the value A after the water level has dropped2；
(4) According to the radius r of the first pipe section1Radius r of the second pipe section2Evaporation capacity value A of Water in glass tube Assembly0Step (3) A1And A2Using the formula:
the water absorption per unit area can be calculated.
The experimental group tests were carried out for example 1, example 2 and example 3, respectively, and a blank control group was added, and the test data are as follows:
and (4) conclusion: the relative standard deviation of the method can be controlled within 1.5 percent, and the surface capillary water absorption rate obtained by the method is high in accuracy.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.
Claims (6)
1. The utility model provides a testing arrangement of rostone surface water absorption rate which characterized in that: including the hydraulic stem, be equipped with the rostone sample on the hydraulic stem, the upper end of rostone sample is equipped with the glass tube subassembly, the glass tube subassembly is connected with the rostone sample through sealed waterproof pad, the glass tube subassembly is established on the mount, the top of glass tube subassembly is equipped with laser range finder be equipped with the humiture subassembly on the mount.
2. The device for testing the water absorption of the surface of the artificial stone and the method for calculating the water absorption of the surface of the artificial stone according to claim 1, wherein the device comprises: the glass tube assembly comprises a first tube section and a second tube section, the lower end of the first tube section and the upper end of the second tube section are connected into a whole, and the radius of the first tube section is smaller than that of the second tube section.
3. The device for testing the water absorption of the surface of the artificial stone and the method for calculating the water absorption of the surface of the artificial stone according to claim 1, wherein the device comprises: the humiture subassembly includes thermometer and hygronom, the equal fixed connection of thermometer and hygronom is in on the mount.
4. The device for testing the water absorption of the surface of the artificial stone and the method for calculating the water absorption of the surface of the artificial stone according to claim 1, wherein the device comprises: the device also comprises a storage display, wherein the storage display is connected with the laser range finder and used for displaying the test data of the laser range finder.
5. A method for calculating the surface water absorption of an artificial stone is characterized by comprising the following steps: the method comprises the following steps:
(1) coating a layer of coating on the artificial stone at the temperature of 20 +/-2 ℃ and the humidity of 60 +/-5%, drying to constant weight, and cooling to obtain an artificial stone sample;
(2) placing the artificial stone sample on a hydraulic rod, and enabling the surface of the artificial stone sample to be abutted against a sealing waterproof pad through the hydraulic rod;
(3) pouring water into the glass tube assembly, and measuring the value A before the water level in the glass assembly falls by a laser range finder1And the value A after the water level has dropped2；
(4) According to the radius r of the first pipe section1Radius r of the second pipe section2Evaporation capacity value A of Water in glass tube Assembly0Step (3) A1And A2Using the formula:
the water absorption per unit area can be calculated.
6. The device for testing the water absorption of the surface of the artificial stone and the method for calculating the water absorption of the surface of the artificial stone according to claim 5, wherein the device comprises: the coating in the step (1) is one of an organic coating, an inorganic coating and a composite nano coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111438112.1A CN114252366A (en) | 2021-11-30 | 2021-11-30 | Testing device and calculating method for artificial stone surface water absorption |
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| CN202111438112.1A CN114252366A (en) | 2021-11-30 | 2021-11-30 | Testing device and calculating method for artificial stone surface water absorption |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3172025U (en) * | 2011-09-16 | 2011-12-01 | 株式会社 八千代 | Water absorption tester |
| CN103471953A (en) * | 2013-09-25 | 2013-12-25 | 哈尔滨工业大学 | Automatic test system and test method for testing surface capillary water absorption of concrete |
| CN107085090A (en) * | 2017-05-27 | 2017-08-22 | 沈红梅 | A kind of plasterboard paper surface Water uptake measurement instrument |
| CN211347813U (en) * | 2019-10-29 | 2020-08-25 | 中国地质大学（武汉） | Device for measuring rock water absorption in real time |
| CN212017844U (en) * | 2020-03-09 | 2020-11-27 | 成都产品质量检验研究院有限责任公司 | Experimental cup for surface water absorption rate detection device of gypsum plaster board |
-
2021
- 2021-11-30 CN CN202111438112.1A patent/CN114252366A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3172025U (en) * | 2011-09-16 | 2011-12-01 | 株式会社 八千代 | Water absorption tester |
| CN103471953A (en) * | 2013-09-25 | 2013-12-25 | 哈尔滨工业大学 | Automatic test system and test method for testing surface capillary water absorption of concrete |
| CN107085090A (en) * | 2017-05-27 | 2017-08-22 | 沈红梅 | A kind of plasterboard paper surface Water uptake measurement instrument |
| CN211347813U (en) * | 2019-10-29 | 2020-08-25 | 中国地质大学（武汉） | Device for measuring rock water absorption in real time |
| CN212017844U (en) * | 2020-03-09 | 2020-11-27 | 成都产品质量检验研究院有限责任公司 | Experimental cup for surface water absorption rate detection device of gypsum plaster board |
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