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Title: Nuclear cement content gage - instruction manual. Interim report

Technical Report ·
OSTI ID:7107360

Detailed instructions are presented for the operation and maintenance of a nuclear (gamma ray backscatter and absorption) gage for measuring the cement content of plastic (fresh) portland cement concrete. The gage is a prototype based on research results reported in Federal Highway Administration Report, 'A Radioisotope Backscatter Gauge for Measuring the Cement Content of Plastic Concrete.' The manual includes: procedures for establishing calibration curves, for determining cement content, and for performing basic maintenance and troubleshooting; a radiation safety discussion; and specifications, a synopsis of the principles of operation, and a detailed description of the components.

Research Organization:
Federal Highway Administration, Washington, DC (USA). Materials Div.
OSTI ID:
7107360
Report Number(s):
PB-262284; FHWA/RD-75-63
Country of Publication:
United States
Language:
English