CN113758827A - Integrated device and method for determining apparent density of aggregate - Google Patents

Integrated device and method for determining apparent density of aggregate Download PDF

Info

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
Authority
CN
China
Prior art keywords
aggregate
water
water containing
apparent density
basket
Prior art date
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.)
Pending
Application number
CN202111058572.1A
Other languages
Chinese (zh)
Inventor
李俊峰
赫庆彬
王聪辉
冯晓波
王彤
张俊
刘伯春
冯岩
杨玉波
刘磊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Water Resources Beifang Investigation Design and Research Co Ltd
Original Assignee
China Water Resources Beifang Investigation Design and Research Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Water Resources Beifang Investigation Design and Research Co Ltd filed Critical China Water Resources Beifang Investigation Design and Research Co Ltd
Priority to CN202111058572.1A priority Critical patent/CN113758827A/en
Publication of CN113758827A publication Critical patent/CN113758827A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N9/00Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
    • G01N9/02Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N9/00Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
    • G01N9/02Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume
    • G01N2009/022Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume of solids
    • G01N2009/024Investigating 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

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 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

Integrated device and method for determining apparent density of aggregate
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 formula
Figure BDA0003254396160000021
Wherein 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 formula
Figure BDA0003254396160000031
Wherein 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 formula
Figure BDA0003254396160000032
Wherein S is the bottom area of the water containing cylinder, and the data is substituted
Figure BDA0003254396160000033
The 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;
(4) according to the formula
Figure FDA0003254396150000011
Wherein S is the bottom area of the water containing cylinder, and the apparent density of the aggregate measured at the time is calculated.
CN202111058572.1A 2021-09-09 2021-09-09 Integrated device and method for determining apparent density of aggregate Pending CN113758827A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111058572.1A CN113758827A (en) 2021-09-09 2021-09-09 Integrated device and method for determining apparent density of aggregate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111058572.1A CN113758827A (en) 2021-09-09 2021-09-09 Integrated device and method for determining apparent density of aggregate

Publications (1)

Publication Number Publication Date
CN113758827A true CN113758827A (en) 2021-12-07

Family

ID=78794510

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111058572.1A Pending CN113758827A (en) 2021-09-09 2021-09-09 Integrated device and method for determining apparent density of aggregate

Country Status (1)

Country Link
CN (1) CN113758827A (en)

Citations (8)

* Cited by examiner, † Cited by third party
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

Patent Citations (8)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN202092926U (en) Accessory device using electronic scale to measure material density and apparatus including same
CN201583470U (en) Portable soil disintegrating tester
CN201569477U (en) Small measuring vessel automatic measurement calibration device
CN101929938B (en) Method for measuring volume weight of grain
CN204241333U (en) A kind of material specific weight determine instrument
CN202631388U (en) Cemented carbide anvil penetron
CN113758827A (en) Integrated device and method for determining apparent density of aggregate
CN207300796U (en) A kind of quick measurement manganese-zinc ferrite sintered density device
CN101710115A (en) Soil disintegration tester
CN203929205U (en) A kind of lever weighing structure
CN206832620U (en) One kind automation coal device for detecting density
CN211825543U (en) Solid density measuring device
CN203132680U (en) Digital indication scale calibrating device
CN204679375U (en) Be exclusively used in the device detecting metal material density
CN204346554U (en) Weighing device in a kind of water
CN106643996B (en) Buoyancy balance type weighing device
CN209690111U (en) It is a kind of to hold the concrete water absorption rate test device for carrying action direction in parallel
CN108956373B (en) Automatic density measuring device and method
CN109444037B (en) Concrete quick freezing thawing and detecting integrated testing machine
CN203191119U (en) Measuring device for ultrasonic standing wave suspension force
CN105115847B (en) A kind of microwave buoyancy method rapid determination device and its assay method
CN110849451A (en) Measuring method of micro-weighing electronic scale
CN202188997U (en) Detection device adopting densitometric method to measure aluminum and iron contents in steel-cored aluminium
CN207318494U (en) A kind of concrete shrinkage tester
CN101876619B (en) Method and device for measuring grain density

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination