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Concrete Air Meters Myers Concrete Air Content Testing ...

The Super Concrete Air Meter measures both the air void spacing and air volume of fresh concrete. The super air meter uses two sequential pressurizations to test the concrete air content. The air meter investigates the deformation of the concrete at 14.5, 30, and 45 psi. It then releases the pressure to perform the same deformation steps for a ...

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Pressure Air Meters - Myers Construction Materials Testing ...

The Super Concrete Air Meter measures both the air void spacing and air volume of fresh concrete. The super air meter uses two sequential pressurizations to test the concrete air content. The air meter investigates the deformation of the concrete at 14.5, 30, and 45 psi. It then releases the pressure to perform the same deformation steps for a ...

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Roller Meters Myers Concrete Air Testing Equipment

Concrete roller meters use the rolling method of measuring entrained air in any concrete. Roller meters come in aluminum or plastic (Volumetair). The lightweight aluminum roller meter simply and accurately measures the air content of any freshly mixed concrete. In addition, the aircraft grade cast aluminum meter resists corrosion from concrete ...

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Concrete Testing Equipment Myers Construction Testing ...

Myers offers an extensive list of quality concrete testing equipment that meet many industry standards. We have concrete air meters and roller meters for testing air content. Myers also supplies cylinder molds and compression machines for testing strength. In addition, there is a variety of non-destructive strength testing equipment, including ...

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Concrete Air Meter (Type B) - Myers Concrete Testing Equipment

The AR-B air meter is one of the most precise measuring devices available. Its heat-treated cast aluminum body makes the meter heavy duty yet lightweight. Due to large stainless steel clamp levers, the concrete air meter has a holding capacity of 2,500 lbs. In addition, the clamping system provides an

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Concrete Air Meters Air Testing Equipment - Gilson Co.

Concrete Air Meters measure the air content of fresh concrete in accordance with ASTM and AASHTO standards test methods. Gilson offers a selection of air meters for use in testing fresh concrete specimens or concrete mixes, lightweight aggregate concrete, or other lightweight mixes.

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Air Meter Concrete Testers - ML Testing Equipment

Air Meter Concrete Testers Press-Ur-Meter—ML-2786 The original Press-Ur-Meter for field and laboratory tests, 1/4-cu.-ft. (.007m[sup]3[/sup]) air meter is designed to determine air content, determination of specific gravity and free moisture test of aggregates.

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Concrete Air Testing: An In-Depth Look - Gilson Co.

Super Air Meter (SAM) is a modified Type B concrete air meter invented by Tyler Ley, Ph.D., PE, who promises the SAM will change the way we view concrete’s freeze-thaw durability.(To read more about Tyler, see our Tyler Ley Interview blog post with Dr. Ley himself).. The SAM uses an extended test procedure to determine air content and characterize the size and distribution of air bubbles in ...

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Concrete Testing Equipment, Non-Destructive Test

Humboldt provides a complete selection of concrete testing equipment for fresh and in-place concrete structures in accordance with ASTM, AASHTO and other standards. We feature concrete air meters, compression machines, concrete test hammers, corrosion testing, ultrasonic tests, testing for moisture in cured slabs, concrete cylinder testing, and all related accessories.

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Comparison of Fresh Concrete Air Content Test Methods ...

finding the root cause of the air content discrepancy observed in concrete made using synthetic AEAs. A laboratory program at multiple scales including concrete air void analysis, the foam drainage test, and fundamental tests for micro-properties of individual bubble shells was conducted. The results showed that the air bubbles in concrete

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Concrete Air Testing: An In-Depth Look - Gilson Co.

Super Air Meter (SAM) is a modified Type B concrete air meter invented by Tyler Ley, Ph.D., PE, who promises the SAM will change the way we view concrete’s freeze-thaw durability.(To read more about Tyler, see our Tyler Ley Interview blog post with Dr. Ley himself).. The SAM uses an extended test procedure to determine air content and characterize the size and distribution of air bubbles in ...

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Air Meter Calibration: A Step-By-Step Guide - Gilson Co.

The standard test methods ASTM C231 and AASHTO T 152 explain how to test concrete in pressure-type concrete air meters, and describes concrete air meter calibration in detail.The published calibration procedures seem complicated and intimidating at first glance; however, for meaningful results, they must be followed to the letter.

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Performing the Concrete Air Meter Test - YouTube

May 20, 2015  PKF Construction on turnpike / I-95Concrete Technician

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ASTM C173-Air Content of Concrete-Volume Air Meter -

Sep 24, 2015  Determining the air content of concrete using a volume air meter (ASTM C173). This is one of the tests required as part of the ACI Concrete Field Testing Tec...

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ASTM C173 - ACI Concrete Air Meter Test, Volumetric Method ...

Important Steps in the Volumetric Test. After properly filling bowl using a tamping rod at least 4 inches greater than depth of measuring bowl, make sure to: Use strike-off bar (Steel - 1/8" x 3/4" x 12" or High-Density Plastic - 1/4" x 3/4" x 12"). Record results to nearest .25 percent. Insert funnel and add 1 pint of water.

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Concrete Air Test - YouTube

May 10, 2009  Kelly Maunder of Ground Engineering conducting a standard concrete air test.Check out these great books about concrete: https://amzn.to/2DYUqFW

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Concrete Testing Equipment, Non-Destructive Test

Humboldt provides a complete selection of concrete testing equipment for fresh and in-place concrete structures in accordance with ASTM, AASHTO and other standards. We feature concrete air meters, compression machines, concrete test hammers, corrosion testing, ultrasonic tests, testing for moisture in cured slabs, concrete cylinder testing, and all related accessories.

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Concrete: Air Meter Replacement Parts - Test Mark

Concrete air/pressure meter replacement parts are available from Test Mark. Use our diagram to find the part you need for easy online ordering. Name / Part Number Price QTY; CA-0500-01 Pressure Chamber: $29.50: CA-0500-02 Pressure Chamber Cap: $44.25: CA-0500-03 Pressure Chamber Elbow:

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Concrete Testing Procedures - Tests for Slump More ...

Air-entrained concrete is typically specified in areas of the country where frost-related damage can occur. The measurement of air content in fresh concrete of normal density is typically performed using the pressure method ().Another useful test is ASTM C 173.However, the pressure method is

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Air Entrapment - Grainger Industrial Supply

We sell concrete air meters, which feature easy pumping and measurement abilities. Our roll-a-meter air indicator helps you measure air via the rolling method and is available in aluminum and plastic models. We also sell chase concrete air indicator kits, which include air indicators, storage boxes and other items.

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Self-Consolidating Concrete (SCC) and High-Volume Fly Ash ...

Testing and Materials (ASTM) to allow High Volume Fly-ash (HVFA) concrete to cure until later ages prior to testing instead of 28 days. Five mix designs were compared with varying fly-ash percentages from 0 to 70% (by total cementitious mass).

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Concrete Testing Lab Equipment – Sun LabTek

Air Entrainment Meters are used for determining the air content of fresh concrete. They consist of a flanged 7 or 8 liter capacity cylindrical vessel and cover assembly incorporating a pressure gauge, air pump and valves.

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Investigation on air-voids structure and compressive ...

Sep 01, 2021  The concrete air content measuring instrument LC-615 A of SANYO TESTING made in Japan was used to test the air content of fresh concrete. After the raw materials were put into the mixer for 15 s dry mixing, the air-entraining agent and other chemical additives were dissolved and added to the mixer with water and mixed for 120s; poured the well ...

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INDIANA DEPARTMENT OF TRANSPORTATION DIVISION OF

This test method covers determination of the air content of hardened concrete exclusive of any air that may be inside the voids within the aggregate particles. The determination of an aggregate correction factor in accordance with the applicable requirements of AASHTO T 152 is

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ASTM C231 - Concrete Air Content Test, Pressure Method

Aggregate Testing Limitations. This test method cannot be used for testing lightweight concrete because the aggregate in lightweight is too porous. See ASTM C173 Air Content by Volumetric Method. Two Types of Air. Entrapped (naturally occurring in the mix) Entrained (intentionally added to the mix)

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6/10/20 CALIBRATING TYPE B PRESSURE AIR METERS FOR

air meter constancy by project personnel. 2.0 REFERENCES . 2.1 AASHTO Standards . M 231 Weighing Devices Used in the Testing of Materials . T 19 Unit Weight and Voids in Aggregate . T 121 Mass per Cubic Meter (Cubic Foot), Yield, and Air Content (Gravimetric) of . concrete . T 152 Air Content of Freshly Mixed Concrete by the Pressure Meter . 3 ...

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Air Content Test - Concrete

Air Content Test. An air content test is required for checking air entrained concrete. The method of testing is given in BS EN 12350-7, which replaces BS 1881: Part 106. Method A outlines the principle of the test. A sample of concrete is placed in the cylinder of an air meter in three layers, each being fully compacted by

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Air entrainment meters Controls Group

Description. The EN and ASTM standards describe two methods for the determination of air content of compacted fresh concrete: Water column type (eg. Our model 54-C0170/L) and Pressure gauge type (eg. our models 54-C0170/F 7 liters cap. and 54-C0170/D 8 liters cap). The air content is a very important parameter for the behavior of concrete to ...

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Testing for Air in concrete Concrete Construction Magazine

Mar 02, 2012  The second, the volumetric meter, is a slower test to perform. The pressure meter has an upper chamber filled with air and a lower chamber that the technician fills with concrete. To measure the air content of the concrete, the upper chamber is pressurized and then the volume of

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Volumetair Roller Meter (Volumetric Air Meter) - Gilson Co.

Volumetair™ a concrete air meter, accurately and economically measures volumetric air content in any type of concrete, including lightweight aggregate concrete mixes.This air meter is very light for easy handling and is best for occasional use. The unit weighs only 5.5lb (2.5kg) and is made of dimensionally stable PVC and fiberglass-reinforced plastic.

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Self-Consolidating Concrete (SCC) and High-Volume Fly Ash ...

Testing and Materials (ASTM) to allow High Volume Fly-ash (HVFA) concrete to cure until later ages prior to testing instead of 28 days. Five mix designs were compared with varying fly-ash percentages from 0 to 70% (by total cementitious mass).

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Air Entrapment - Grainger Industrial Supply

We sell concrete air meters, which feature easy pumping and measurement abilities. Our roll-a-meter air indicator helps you measure air via the rolling method and is available in aluminum and plastic models. We also sell chase concrete air indicator kits, which include air indicators, storage boxes and other items.

Get Price

HM-30 Gilson Concrete Pressure Meters

HM-30 Gilson Pressure Meter is higher quality, less expensive, and more accurate. All components are supplied in our new sturdy and convenient carrying case. Gilson's HM-30 offers a higher-quality Type B Pressure Meter for measurement of concrete air content with many improvements that make it a better buy.

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Standard Test Method for Air Content of Freshly Mixed ...

3.2 This test method and Test Method C138/C138M and C173/C173M provide pressure, gravimetric, and volumetric procedures, respectively, for determining the air content of freshly mixed concrete. The pressure procedure of this test method gives substantially the same air contents as the other two test methods for concretes made with dense aggregates.

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Humboldt Concrete Air Meter

Humboldt Concrete Air Meter. Supports the following standards: ASTM C231, ASTM C31, ASTM C192, AASHTO T152. The H-2783 air meter features the Humboldt, all-brass super pump, the most reliable and highest quality pump available. The meter’s easy-to-use, stainless steel clamping system employs four, one-piece, self-locking clamps that quickly ...

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Design and Evaluation of High-Volume Fly Ash (HVFA ...

s Age of concrete at the beginning of shrinkage (days) (CEB-FIP 90) u Perimeter in contact with the atmosphere (mm) (CEB-FIP 90) V/S Volume to Surface area ratio (in or mm) w Water content of concrete (lb/ft3) α Concrete air content (%) α 1 Cement type correction factor (Model B3) α 2

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Mechanisms of air entrainment in concrete - ScienceDirect

Aug 01, 2005  Note that for a given air content in concrete, the larger the air-void diameter, the larger the spacing factor and specific surface area, and the lower the freeze–thaw resistance. Similar to emulsion stability, one can argue that physical agitation, like shearing (mixing) and rapid agitation (vibration), may also lead to

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