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Title:

Intelligent Soil Compaction: Geostatistical Data Analysis and Construction Specifications

Accession Number:

01044059

Record Type:

Component

Availability:

Transportation Research Board Business Office

500 Fifth Street, NW
Washington, DC 20001 United States

Abstract:

Intelligent compaction rollers, which use onboard sensors to measure soil compaction characteristics in real time, have been demonstrated or specified on Mn/DOT construction projects for several years. In 2006, two projects were built using new intelligent compaction specifications adapted from standard earthwork and embankment specifications. The new specifications, the underlying rationale and experience to date are discussed. Intelligent compaction provides a large amount of quantitative compaction data that can be used in three important ways: in real-time to guide the compaction effort, over the course of the project for quality control and quality assurance, and as an archive record of the pavement foundation construction. Geostatistical methods have been used to investigate the spatial characteristics of the compaction data from several projects, with the goal of using these techniques to guide the quality assurance process. Preliminary results show that geostatistics transforms massive amounts of intelligent compaction data into meaningful summary statistics that can be used to judge the adequacy of the compaction. Geostatistics-based visualization can also aid the on-site engineer in focusing limited testing resources on likely problem areas. Used together, intelligent compaction rollers, specifications and geostatistics offer the promise of reducing maintenance costs and increasing pavement life by helping project personnel find and fix subgrade compaction problems before pavement placement.

Monograph Accession #:

01042056

Report/Paper Numbers:

07-2858

Language:

English

Corporate Authors:

Transportation Research Board

500 Fifth Street, NW
Washington, DC 20001 United States

Authors:

Petersen, David Lee
Erickson, Melinda L
Roberson, Ruth
Siekmeier, John

Pagination:

15p

Publication Date:

2007

Conference:

Transportation Research Board 86th Annual Meeting

Location: Washington DC, United States
Date: 2007-1-21 to 2007-1-25
Sponsors: Transportation Research Board

Media Type:

CD-ROM

Features:

Figures (4) ; References (18) ; Tables (1)

Uncontrolled Terms:

Intelligent compaction

Geographic Terms:

Minnesota

Subject Areas:

Design; Geotechnology; Highways; Pavements; I23: Properties of Road Surfaces; I42: Soil Mechanics

Source Data:

Transportation Research Board Annual Meeting 2007 Paper #07-2858

Files:

TRIS, TRB

Created Date:

Feb 8 2007 7:33PM