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InquiryThe ASTM test procedure uses a Kelly Ball to measure when the flowable fill has set up enough to place backfill over it. As described in ASTM D 6024, the test involves dropping a steel ball five times on the surface of the hardened material and measuring the diameter of the impression.
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A simple field test is described for determining the consistancy of fresh concrete interms of the penetration of a 6-in. 30-lb ball. Experiences of users are given, and comparisons with slump are made. Considerations in the practical use of the ball are discussed.
Fresh and Hardened Concrete Testing. Sampling, Consistency and Workability. Kelly Ball Apparatus « return. ... Kelly Ball Apparatus: Specifications. Construction:
The simple and inexpensive test can be quickly performed on in-place concrete and the results can be correlated to slump. The SCTC-0570 Kelly Ball Apparatus consists of a 6 inch (152 mm) diameter ball which slides through a frame that rests on the fresh concrete.
11/26/2017 · ETB-016 Kelly Ball Apparatus. Kelly Ball Apparatus measures the workability of concrete. It is considered to be much simpler and faster than the slump test. This field test determines the depth to which the apparatus will sink under its own weight into fresh concrete. It …
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Kelly Ball Apparatus used to determine the workability of fresh concrete. Kelly Ball Consist of a hemispherical ended cylinder with guiding frame and a handle graduated in inch. This tester used for in-situ or laboratories measurements.
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Jul 26, 2017 · The Kelly ball test provides an indication of yield stress, as the test essentially measures whether the stress applied by the weight of the ball is greater than the yield stress of the concrete (Ferraris 1999). For a given concrete mixture, the results of the Kelly ball test can be correlated to slump.
The device is a portable metal ball, named the Kelly ball, that penetrates the surface of concrete. Tests made with the Kelly ball at the University of California and elsewhere show results that compare favorably with results obtained through the more commonly known and used slump test.
This method is used to determine the penetration of a hemispherical metal weight into freshly mixed concrete, which is related to the workability of the concrete. The apparatus consists of a cylinder with one end having a hemispherical shape and the other end fit with a graduated handle.
Concrete Pavement Mixture Design and Analysis (MDA): Development and Evaluation of Vibrating Kelly Ball Test (VKelly Test) for the Workability of Concrete March 2015 6. Performing Organization Code 7. Author(s) 8. Performing Organization Report No. Peter Taylor, Xuhao Wang, Xin Wang 9. Performing Organization Name and Address 10.
Consulting Services, Inc.(CSI) is a geotechnical engineering firm and one of the many services it offers is Concrete Cylinder Testing. Founded in Lexington, Kentucky in 2009, the experienced engineers at CSI recognize the critical importance of material testing.
Sep 19, 2010 · The Kelly ball test provides an indication of yield stress, as the test essentially measures whether the stress applied by the weight of the ball is greater than the yield stress of the concrete (Ferraris 1999). For a given concrete mixture, the results of the Kelly ball test can be correlated to slump.
• The test is faster than the slump test and can be preformed on in-place concrete to obtain a direct result quickly. • It has been claimed that the Kelly ball test provides more accurate results than the slump test. Disadvantages: • Like the slump test, the Kelly ball test is a static test. • The test must be performed on a level ...
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The Kelly Ball test is a simple field method for determining the consistency of plastic concrete. It is made by measuring the penetration of a 30-pound metal "ball" into the surface of the concrete. This test can be made on the concrete in place and can be made easier and faster than the slump test.
The Iowa Department of Transportation has released a report that describes a test method that assesses the responsiveness of a dry concrete mixture to vibration. HOME MyTRB CONTACT US DIRECTORY E-NEWSLETTER SUBSCRIBE FOLLOW US RSS About
Kelly ball test also called as a ball penetration test is performed on freshly mixed concrete to measure its workability. It is a quick simple field test and is considered as an alternative to the slump test. The test procedure of the kelly ball test, its advantages and drawbacks are explained in this article. Contents:1 […]
TESTING EQUIPMENT DETERMINATION OF WORKABILITY & CONSISTENCY TECHNICAL SPECIFICATIONS • Used to determine the workability of concrete as an alternative to Slump Test, where 1” of kelly ball penetration corresponds to 2” of slump value • Complete with metal hemispherical cylinder and graduated handle
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Ball Penetration Apparatus (Kelly Ball) Ball Penetration Apparatus (Kelly Ball) determines depth of penetration of metal weight into plastic concrete. Apparatus consists of 30 lb. (14kg) cylinder with hemispherically shaped bottom and handle. Stirrup or frame guides handle and acts as reference for measuring depth of penetration.
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This lesson explains the tests for measuring the workability of concrete. It includes slump test, compaction factor test, flow table test, Kelly ball test and vee bee consistometer test.
SUMMARY OF CONCRETE WORKABILITY TEST METHODS Eric P. Koehler University of Texas at Austin Austin, TX David W. Fowler University of Texas at Austin Austin, TX ICAR Report 105.1 ICAR 105: Measuring the Workability of High Fines Concrete
The apparatus consists of a double wooden table measuring 700x700 mm hinged at one side. The top table is covered with an inscribed metal plate 2 mm thick: The steel cone, part of the apparatus, has a top dia. of 130 mm a base dia. of 200 mm and is 200 mm high.
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