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Standards and Technical Documents - Standard Test Method for Flow of Grout for Preplaced-Aggregate Concrete (Flow Cone Method) -- ASTM C939Supplier: ASTM International
Description: 1.1 This test method covers a procedure, used both in the laboratory and in the field, for determining the time of efflux of a specified volume of fluid hydraulic cement grout through a standardized flow cone and used for preplaced-aggregate (PA) concrete; however, the test method may also beShow More
Supplier: ASTM International
Description: Constant Flow Method for Concurrently Measuring Soil-Water Characteristic Curve and Hydraulic Conductivity Function Volume 29, Issue 3 (May 2006) A constant-flow laboratory testing method (CFM) is presented for concurrently measuring the soil-water characteristic curve (SWCC) and hydraulicShow More
Supplier: Gilson Company, Inc.
Description: 109 and others. MAA-31 Acrylic Bowl Lid is also available for all 5qt (4.7L) bowls. MA-52 Dimensions: 10.5x15x17in (267x381x432mm). Est. Ship Wt.: 57lb (26kg). MA-52X has the same basic specifications as MA-52, but has been modified with a MAA-30A Clearance Bracket to meet the requirements ofShow More
Separators, Classifiers, and Screeners - Universal Splitter, (48) 1" Chutes, 3.5 cf Hopper, w/4-Pans -- SP-0Supplier: Gilson Company, Inc.
Description: specifications require at least eight openings per side with coarse sizes and twelve with finer sizes. Once set, bars are drawn together with wing nuts on threaded ends of the pivot rod. SP-0 Mass Splitter is designed for large volume bulk aggregate samples up to 400lb (182kg) (ASTM D 75) orShow More
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Summary of Statistical Analyses of Specification Mortar Cube Test Results from Various Cement Suppliers, Including Four Types of Cement Approved for Corps of E...
This is within the scope of the 3.8% coefficient of variation cited in ASTM C 109 as normal within laboratory variation.
Portland Cement Specifications: Performance, Prescription, and Prediction
The second concern is associated with the poor multi- laboratory precision of the ASTM C 109 mortar cube test used for the strength determinations.
ALTERNATIVE SOLID FUELS FOR THE PRODUCTION
OF PORTLAND CEMENT
The acceptable range of test results, based on ASTM C 109 , within a single laboratory is approximately 11 percent, for mortar ages of three and seven days, and for multiple laboratories is about 19 percent.
THE UTILIZATION OF ALTERNATIVE FUELS IN THE
PRODUCTION OF PORTLAND CEMENT
The acceptable range of test results, based on ASTM C 109 , within a single laboratory is approximately 11 percent, for mortar ages of three and seven days.
Unprocessed rice husk ash as a partial replacement of cement for low-cost concrete
The mortar cubes were made in an MIT laboratory following the specifications of ASTM C 109 and were tested in compression using a 60-kip Baldwin machine.