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Author : D. J. Belcher
Publisher :
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.E/5 ( download)
Download or read book Nuclear Meters for Measuring Soil Density and Moisture in Thin Surface Layers written by D. J. Belcher and published by . This book was released on 1952 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : D. J. Belcher
Publisher :
ISBN 13 :
Total Pages : 8 pages
Book Rating : 4.:/5 (132 download)
Download or read book Nuclear Meters for Measuring Soil Density and Moisture in Thin Surface Layers written by D. J. Belcher and published by . This book was released on 1952 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. Forest Service. Vicksburg Infiltration Project
Publisher :
ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.3/5 (243 download)
Download or read book Field Tests of Nuclear Instruments for the Measurement of Soil Moisture and Density written by United States. Forest Service. Vicksburg Infiltration Project and published by . This book was released on 1955 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Arnold Ivan Johnson
Publisher :
ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.3/5 (121 download)
Download or read book Methods of Measuring Soil Moisture in the Field written by Arnold Ivan Johnson and published by . This book was released on 1962 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: Evaluates methods for measuring soil moisture and describes the equipment used.
Author : William M. Aldous
Publisher :
ISBN 13 :
Total Pages : 614 pages
Book Rating : 4.F/5 ( download)
Download or read book The Measurement of Soil Moisture by Heat Diffusion written by William M. Aldous and published by . This book was released on 1952 with total page 614 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Cecil B. Philips
Publisher :
ISBN 13 :
Total Pages : 200 pages
Book Rating : 4.3/5 (243 download)
Download or read book Procedure for Adjusting Percentage Modulation of Test Equipment Used to Calibrate ILS Receivers written by Cecil B. Philips and published by . This book was released on 1952 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Waterways Experiment Station (U.S.)
Publisher :
ISBN 13 :
Total Pages : 50 pages
Book Rating : 4.3/5 (91 download)
Download or read book Study of Nuclear Probes for Determination of Airfield Densities and Moistures written by Waterways Experiment Station (U.S.) and published by . This book was released on 1957 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Thomas I. Csathy
Publisher :
ISBN 13 :
Total Pages : 60 pages
Book Rating : 4.:/5 (31 download)
Download or read book Nuclear Methods for Determining Density and Moisture Content written by Thomas I. Csathy and published by . This book was released on 1962 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Raymond C. Herner
Publisher :
ISBN 13 :
Total Pages : 578 pages
Book Rating : 4.F/5 ( download)
Download or read book Use of the Rational Formula in Airport Drainage written by Raymond C. Herner and published by . This book was released on 1950 with total page 578 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : L. F. Ballard
Publisher :
ISBN 13 :
Total Pages : 46 pages
Book Rating : 4.:/5 (319 download)
Download or read book Density and Moisture Content Measurements by Nuclear Methods written by L. F. Ballard and published by . This book was released on 1965 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt: Data is provided from an evaluation of the accuracy of the nuclear gages in comparison with the currently used non- nuclear methods of determining soil density and moisture content. The research study was principally theoretical in nature and was conducted in two parts with each part respectively considering density and moisture content. Two existing commercial gages were evaluated, and a nominal experimental program employing non-soil standards of known density and composition was conducted to verify the density results. The results of the moisture content study were checked against data in the literature.
Author : Preston Clark Smith
Publisher :
ISBN 13 :
Total Pages : 152 pages
Book Rating : 4.3/5 (91 download)
Download or read book The Use of Nuclear Meters in Soils Investigations written by Preston Clark Smith and published by . This book was released on 1968 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robin P. Gardner
Publisher : Highway Research Board
ISBN 13 :
Total Pages : 100 pages
Book Rating : 4.:/5 (359 download)
Download or read book Optimization of Density and Moisture Content Measurements by Nuclear Methods written by Robin P. Gardner and published by Highway Research Board. This book was released on 1971 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective was to minimize the errors identified with measurement of density and moisture content of soils using nuclear gauges. To provide a reasonable basis for optimization, all identified errors were combined to yield a single criterion, the quality factor, which can be used to evaluate the over-all performance of a nuclear density gauge. Research aimed at minimizing moisture content measurement errors involved using the Monte Carlo or random walk method to simulate gauge response, checking the results of the simulation against experimental studies, and attempting to generalize the Monte Carlo results.
Author : Robin P. Gardner
Publisher :
ISBN 13 :
Total Pages : 56 pages
Book Rating : 4.:/5 (319 download)
Download or read book Density and Moisture Content Measurements by Nuclear Methods written by Robin P. Gardner and published by . This book was released on 1967 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sources of error that have been identified on the gamma-ray soil density gauge are: (1) sensitivity to local density variations, especially at the soil surface, (2) sensitivity to soil composition, and (3) inaccurate calibration techniques. An attempt was made to solve these problems by developing for each gauge calibration models that enable stable and homogenous non-soil standards to be used for calibration. Calibration standards and calibration models for each gauge were found and tested. In the process of developing and testing the new nuclear gauge calibration model, the dual-gauge principal of compensating these gauges for variations in soil composition was discovered. The air-gap method of using this principal is explained and was optimized by using the calibration model developed in the current study.
Author : Donald J. Belcher
Publisher :
ISBN 13 :
Total Pages : 13 pages
Book Rating : 4.:/5 (125 download)
Download or read book Use of Radioactive Material to Measure Soil Moisture and Density written by Donald J. Belcher and published by . This book was released on 1953 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: The need for convenient instruments to measure soil moisture and density in place in a quick, reliable, and possibly continuous manner has long been felt by soils engineers. This paper summarizes the work done up to this time by the Civil Aeronautics Administration and Cornell University on the nuclear meters that are designed to solve the problem. The method presented here makes use of the physical principles of the scattering of neutrons and gamma rays. A source of proper radiation, radium D-beryllium or cobalt 60, is contained in cylindrical probes along with a detector of slow neutrons or of gamma rays, respectively. The probe is inserted into the soil mass through a 1-in. diameter pipe, and the radiation penetrates the nearby soil and is scattered back toward the detector, the amount and character of the scattered radiation giving a measure of the characteristics. The design and testing of such probe meters that measure soils at depth and of the related surface meters that measure thin-layered soils are described in detail. With suitable care, the probe meters measure moisture to ±1 lb of water per cu ft, and measure density to ±5 lb of soil per cu ft. The surface meters are in an earlier experimental stage and are not so accurate. The time required to take a complete set of readings is about 15 min. Further laboratory and field testing is being conducted to perfect these meters to fulfill specific requirements of different engineering projects.
Author :
Publisher :
ISBN 13 :
Total Pages : 516 pages
Book Rating : 4.:/5 (89 download)
Download or read book Report written by and published by . This book was released on 1971 with total page 516 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Arnold Wexler
Publisher :
ISBN 13 :
Total Pages : 348 pages
Book Rating : 4.:/5 (319 download)
Download or read book Humidity and Moisture: Measurement and Control in Science and Industry written by Arnold Wexler and published by . This book was released on 1965 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Arnold Wexler
Publisher :
ISBN 13 :
Total Pages : 360 pages
Book Rating : 4.:/5 (318 download)
Download or read book Humidity and Moisture: Principles and methods of measuring moisture in liquids and solids. P.N. Winn, Jr., editor written by Arnold Wexler and published by . This book was released on 1965 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt:
