CN113758827A - Integrated device and method for determining apparent density of aggregate - Google Patents
Integrated device and method for determining apparent density of aggregate Download PDFInfo
- Publication number
- CN113758827A CN113758827A CN202111058572.1A CN202111058572A CN113758827A CN 113758827 A CN113758827 A CN 113758827A CN 202111058572 A CN202111058572 A CN 202111058572A CN 113758827 A CN113758827 A CN 113758827A
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- aggregate
- water
- water containing
- apparent density
- basket
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- 238000000034 method Methods 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 51
- 229920006395 saturated elastomer Polymers 0.000 claims abstract description 10
- 238000012545 processing Methods 0.000 claims abstract description 5
- 238000005303 weighing Methods 0.000 claims abstract description 5
- 238000012360 testing method Methods 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 8
- 238000010276 construction Methods 0.000 description 5
- 230000002706 hydrostatic effect Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001739 density measurement Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/02—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/02—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume
- G01N2009/022—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume of solids
- G01N2009/024—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume of solids the volume being determined directly, e.g. by size of container
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- 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 Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
The invention discloses an integrated device for measuring the apparent density of aggregate, which comprises a water containing barrel with a vertical columnar communicating vessel on the side surface and a net basket capable of being placed into the water containing barrel, wherein the vertical columnar communicating vessel is provided with scales. The determination method comprises the following steps: processing the aggregate sample soaked for 24 hours into a saturated surface dry state according to engineering requirements, and weighing the mass of the aggregate; completely immersing the basket into a water containing cylinder filled with water, and reading the water surface height from a scale of the columnar communicating vessel; completely filling the aggregate sample in a saturated surface dry state into a basket, completely immersing the aggregate sample into a water containing cylinder filled with water, and reading the water surface height from a scale of a columnar communicating vessel; and calculating the measured apparent density of the aggregate according to a formula. Compared with the traditional measuring device and method, the method is novel, the structure is integrated, the operation is simple, the requirement on testing personnel is not high, the calculation is simple and easy, and the efficiency is higher.
Description
Technical Field
The invention relates to a device and a method for measuring the apparent density of aggregate, in particular to an integrated device and a method for measuring the apparent density of aggregate.
Background
In the engineering field, strict technical requirements are always placed on the apparent density of engineering aggregates. The determination of the apparent density of the aggregate is a basic and frequent test operation for engineering material detection. In the traditional aggregate apparent density measurement, a hydrostatic balance consisting of a balance and a hydrostatic device is required, the operation of the hydrostatic balance must meet the operation requirements specified in the hydrostatic balance, particularly, the operation requirements of leveling, weight loading and unloading, weight moving, rebalancing and the like are strict, and the requirement on the manual capability of common operators is extremely high; in the traditional measuring method, an operator is required to hang the basket on a balance, the total mass of the basket, the aggregate and the basket in water is respectively weighed, and then the difference between the two is obtained. The traditional operation device and the traditional operation method are complex in operation and long in time consumption, if the construction period is short and the consumption of engineering aggregate is large, the work load of determining the apparent density of the aggregate is large, the requirements on time and operators are high, and if the personnel configuration is not increased, the development of detection is limited, so that the engineering construction progress is influenced.
Disclosure of Invention
The invention aims to solve the technical problems that the integrated device and the measuring method for measuring the apparent density of the aggregate are easy to operate, simple and easy to operate and low in requirements on detection operators, and solve the problems of large workload of detecting the apparent density of the aggregate, complex operation, short construction period and incapability of configuring high-end detection personnel in engineering construction.
In order to solve the technical problems, the invention adopts the technical scheme that: the utility model provides an integral type device for determining aggregate apparent density, has the water containing cylinder and the basket that can put into water containing cylinder of vertical column linker including the side, has the scale on the vertical column linker.
The water containing cylinder is a cylinder, the diameter of the water containing cylinder is 400mm, and the height of the water containing cylinder is 600 mm.
The aperture of the net basket is less than 5mm, and the diameter and the height of the net basket are both 200 mm.
An integrated device for determining the apparent density of aggregate, comprising the following steps:
(1) processing the aggregate sample soaked for 24 hours into a saturated surface dry state according to engineering requirements, and weighing the aggregate with the mass of G;
(2) completely immersing the basket into a water containing cylinder filled with water, and reading the water surface height H1 from a scale of the columnar communicating vessel;
(3) completely filling the aggregate sample in the saturated surface dry state in the step (1) into a basket, completely immersing the aggregate sample into a water containing cylinder filled with water, and reading the water surface height H2 from a scale of a columnar communicating vessel;
(4) according to the formulaWherein S is the bottom area of the water containing cylinder, and the apparent density of the aggregate measured at the time is calculated.
The invention has the beneficial effects that: the method is easy to operate, has low requirements on detection personnel, and can greatly improve the detection efficiency.
Drawings
FIG. 1 is a schematic structural diagram of the integrated device for measuring apparent density of aggregate of the invention without aggregate.
FIG. 2 is a schematic view of the measurement of apparent density of aggregate by charging the aggregate in the integrated apparatus for measuring apparent density of aggregate according to the present invention.
Detailed Description
The invention is described in further detail below with reference to the following figures and detailed description:
as shown in figures 1 and 2, the integrated device for measuring the apparent density of the aggregate comprises a water containing barrel 2 with a vertical columnar communicating vessel 1 on the side surface and a basket 3 capable of containing the water containing barrel, wherein the vertical columnar communicating vessel 1 is provided with scales.
The water containing cylinder 2 is a cylinder, the diameter of the water containing cylinder is 400mm, and the height of the water containing cylinder is 600 mm.
The 3 net apertures of basket are less than 5mm, and diameter and height are 200 mm.
An integrated device for determining the apparent density of aggregate, comprising the following steps:
(1) processing the aggregate sample soaked for 24 hours into a saturated surface dry state according to engineering requirements, and weighing the aggregate with the mass of G;
(2) completely immersing the basket into a water containing cylinder filled with water, and reading the water surface height H1 from a scale of the columnar communicating vessel;
(3) completely filling the aggregate sample in the saturated surface dry state in the step (1) into a basket, completely immersing the aggregate sample into a water containing cylinder filled with water, and reading the water surface height H2 from a scale of a columnar communicating vessel;
(4) according to the formulaWherein S is the bottom area of the water containing cylinder, and the apparent density of the aggregate measured at the time is calculated.
The invention does not need to use a hydrostatic balance which is strictly and complexly operated, does not need to hang the net basket on the balance by a detector, does not need to weigh the quality of the net basket, the net basket and the aggregate in water for many times, has low requirements on the manual ability and the proficiency of the detector, is easy to operate, can greatly improve the detection efficiency, and meets the requirements of tight construction engineering time and large detection amount.
Examples
(1) Processing the aggregate sample soaked for 24 hours into a saturated surface dry state according to engineering requirements, and weighing the aggregate G, wherein the weight G is 8.973 kg;
(2) completely immersing the basket into a water containing cylinder filled with water, and reading the water surface height H1 from a scale of the columnar communicating vessel, wherein H1 is 462 mm;
(3) putting all the aggregate samples in the saturated surface dry state in the step (1) into a basket, immersing all the aggregate samples into a water containing cylinder filled with water, reading out the height H2 of the water surface from a scale of a columnar communicating vessel, wherein H2 is 489mm, and calculating the height difference H2-H1 to be 27 mm;
(4) according to the formulaWherein S is the bottom area of the water containing cylinder, and the data is substitutedThe apparent density ρ of the aggregate measured in this time is 2645kg/m3。
The above-mentioned embodiments are only for illustrating the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to carry out the same, and the present invention shall not be limited to the embodiments, i.e. the equivalent changes or modifications made within the spirit of the present invention shall fall within the scope of the present invention.
Claims (4)
1. The utility model provides an integral type device for determining aggregate apparent density which characterized in that, has water containing barrel (2) and basket (3) that can put into water containing barrel that vertical column linker (1) is located to the side, has the scale on vertical column linker (1).
2. The integrated device for determining the apparent density of the aggregate according to claim 1, wherein the water containing barrel (2) is a cylinder with the diameter of 400mm and the height of 600 mm.
3. The integrated apparatus for determining the apparent density of an aggregate according to claim 2, wherein the mesh basket (3) has a mesh diameter of less than 5mm and a diameter and a height of 200 mm.
4. A method for measuring the apparent density of aggregate by using an integrated device, which is characterized by comprising the following steps:
(1) processing the aggregate sample soaked for 24 hours into a saturated surface dry state according to engineering requirements, and weighing the aggregate with the mass of G;
(2) completely immersing the basket into a water containing cylinder filled with water, and reading the water surface height H1 from a scale of the columnar communicating vessel;
(3) completely filling the aggregate sample in the saturated surface dry state in the step (1) into a basket, completely immersing the aggregate sample into a water containing cylinder filled with water, and reading the water surface height H2 from a scale of a columnar communicating vessel;
Priority Applications (1)
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CN202111058572.1A CN113758827A (en) | 2021-09-09 | 2021-09-09 | Integrated device and method for determining apparent density of aggregate |
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CN202111058572.1A CN113758827A (en) | 2021-09-09 | 2021-09-09 | Integrated device and method for determining apparent density of aggregate |
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CN202111058572.1A Pending CN113758827A (en) | 2021-09-09 | 2021-09-09 | Integrated device and method for determining apparent density of aggregate |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000007461A (en) * | 1998-06-29 | 2000-01-11 | Ishikawajima Constr Materials Co Ltd | Method for measuring water absorption rate of lightweight aggregate |
JP2002131208A (en) * | 2000-10-25 | 2002-05-09 | Vector Chuo Kenkyusho:Kk | Method for measuring density in saturated surface-dry condition, rate of water absorption, surface moisture ratio of aggregate and high-temperature aggregate cooling device used for the same |
CN101025394A (en) * | 2006-10-10 | 2007-08-29 | 陈兴伟 | Method and instrument for detecting aggregate relative density and water absorbing rate |
JP2009002880A (en) * | 2007-06-25 | 2009-01-08 | Ihi Inspection & Instrumentation Co Ltd | Device and method for measuring apparent density of porous part |
CN102346121A (en) * | 2010-07-29 | 2012-02-08 | 中冶天工上海十三冶建设有限公司 | Quick detection method for fine aggregate water content |
CN102778416A (en) * | 2012-07-26 | 2012-11-14 | 山东高速青岛公路有限公司 | Concrete aggregate moisture content fast measuring device and method |
CN206696123U (en) * | 2017-03-20 | 2017-12-01 | 北京永利源混凝土有限公司 | Novel concrete density measurement device |
CN109142132A (en) * | 2018-10-30 | 2019-01-04 | 西安公路研究院 | A kind of aggregate storage coefficient test device and its test method |
-
2021
- 2021-09-09 CN CN202111058572.1A patent/CN113758827A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000007461A (en) * | 1998-06-29 | 2000-01-11 | Ishikawajima Constr Materials Co Ltd | Method for measuring water absorption rate of lightweight aggregate |
JP2002131208A (en) * | 2000-10-25 | 2002-05-09 | Vector Chuo Kenkyusho:Kk | Method for measuring density in saturated surface-dry condition, rate of water absorption, surface moisture ratio of aggregate and high-temperature aggregate cooling device used for the same |
CN101025394A (en) * | 2006-10-10 | 2007-08-29 | 陈兴伟 | Method and instrument for detecting aggregate relative density and water absorbing rate |
JP2009002880A (en) * | 2007-06-25 | 2009-01-08 | Ihi Inspection & Instrumentation Co Ltd | Device and method for measuring apparent density of porous part |
CN102346121A (en) * | 2010-07-29 | 2012-02-08 | 中冶天工上海十三冶建设有限公司 | Quick detection method for fine aggregate water content |
CN102778416A (en) * | 2012-07-26 | 2012-11-14 | 山东高速青岛公路有限公司 | Concrete aggregate moisture content fast measuring device and method |
CN206696123U (en) * | 2017-03-20 | 2017-12-01 | 北京永利源混凝土有限公司 | Novel concrete density measurement device |
CN109142132A (en) * | 2018-10-30 | 2019-01-04 | 西安公路研究院 | A kind of aggregate storage coefficient test device and its test method |
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