David J. White (Ph. D.)

Report of the Workshop on Intelligent Compaction for Soils and HMA

This document summarizes the discussion and findings of a workshop on intelligent compaction for soils and hot-mix asphalt held in West Des Moines, Io...

Iowa's Intelligent Compaction Research and Implementation

Intelligent compaction (IC) technology integrated with global positioning system (GPS) provides 100 percent coverage for compacted earth materials and...

The Papers of R.L. Handy

A Geotechnical Legacy of Iowa State University

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Modified Sheet Pile Abutments for Low-volume Road Bridges

To date there have been few investigations of the substructures in low-volume road (LVR) bridges. Steel sheet piling has the potential to provide an e...

Field Study of Compaction Monitoring Systems

Self-propelled Non-vibratory 825G and Vibratory Smooth Drum CS-533E Rollers

A field study comprised of experimental testing and statistical analyses was conducted to evaluate the Caterpillar machine drive power (MDP) and Geody...

Embankment Quality

Phase III

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Identification of the Best Practices for Design, Construction, and Repair of Bridge Approaches

Bridge approach settlement and the formation of the bump is a common problem in Iowa that draws upon considerable resources for maintenance and create...

Embankment Quality Phase IV

Application to Unsuitable Soils

The Quality Management Earthwork (QM-E) special provision was implemented on a pilot project to evaluate quality control (QC) and quality assurance (Q...

Synthesis of Nondestructive Testing Technologies for Geomaterial Applications

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Embankment Quality

Phase III Report

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Report of the Workshop on Intelligent Construction for Earthworks

April 14-16, 2009, Sheraton West Des Moines Hotel, West Des Moines, Iowa

The objectives of this workshop were to update the strategies identified during the 2008 workshop; provide a collaborative exchange of ideas and exper...