US Government As Represented by the Secretary of the Army

Thad C Pratt

Gary E Johnston

Christopher M Ables

Matthew P Murray

Tate O McAlpin

Ernest S Berney, Iv

John Shelley

Naveen B Ganesh

David Abraham

David A Nguyen

Portable road segments, herein referred to as surface vehicles, include first and second surface vehicles. A female wedge mount is attached to the first surface vehicle. The female wedge mount has a concave contact surface including three or more female contact surface segments an at least two female wedge slots. A male wedge mount is attached to the second surface vehicle. The male wedge mount has a convex contact surface including three or more male contact surface segments and at least two male wedge slots that are aligned with the at least two female wedge slots, respectively, when the convex contact surface of the male wedge mount and the concave contact surface of the female wedge mount are in aligned contact with one another to form an adjacent connection between the first and second surface vehicles. A mechanism includes at least two pins that are movable along the at least two male and female wedge slots, respectively, between unlocked and locked positions.

Portable road segment wedge and pin connection and method

A method for determining an estimate of an overall bedload transport rate by using bedload transport rates for a plurality of subswaths involves, generally, performing a bathymetry survey in areas at multiple times, calculating an amount of erosion and deposition and their ratio, and calculating an erosion and a deposition transport rate using the provided equations.

Bedload transport methodology and method of use

The present invention is an apparatus which executes a photogrammetry method for calculating soil density. After a user excavates soil, measures the mass of the excavated soil and takes multiple images of the excavation site in combination with a calibration object, a data processor uses the various values obtained from the collected images to create a point cloud data object. The processor used this point cloud data object to create a visual representation of the hole. The processor rotates and scales the visual representation. The processor also uses the point cloud data object in volumetric calculations to determine the volume of the hole. Together with the soil mass, the volume allows calculation of soil density.

Photogrammetric soil density system and method

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Vicksburg, MS, United States of America

Thad C Pratt