Shear Strength of Simply Supported Prestressed Concrete Beams Having Web Reinforcement (open access)

Shear Strength of Simply Supported Prestressed Concrete Beams Having Web Reinforcement

Abstract: Tests were made on 24 simply supported, post-tensioned, end-anchored, prestressed concrete beams with and without web reinforcement.
Date: April 29, 1959
Creator: Holt, Randolph E.
System: The UNT Digital Library
Curves for Estimating Low Blast Over-Pressure (open access)

Curves for Estimating Low Blast Over-Pressure

A plot of overpressure versus distance is presented for the fractional psi pressure level. The plot provides a rapid and simple means of estimating the permissible yield at any distance from settled areas.
Date: April 1958
Creator: Vortman, Luke J.
System: The UNT Digital Library
A Study of the Error Involved in the Near Use of a Radio Interferometer (open access)

A Study of the Error Involved in the Near Use of a Radio Interferometer

From abstract: This paper presents the results of a study of the error in radio interferometer measurements of near sources attributable to the use of asymptotic formulae, valid for distant targets.
Date: April 21, 1959
Creator: Simmons, Gustavus J.
System: The UNT Digital Library