A Modern Design Standard for Rock Fallout Areas

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General Information
Study Number: SPR-3(032)
Lead Organization: Oregon Department of Transportation
Solicitation Number: 186
Partners: AR, CA, NY, OR, TN, WA, WY
Contractor(s): Oregon Department of Transportation
Status: Closed
Est. Completion Date:
Contract/Other Number:
Last Updated: Jun 12, 2009
Contract End Date:
Financial Summary
Contract Amount: $650,000.00
Total Commitments Received:
100% SP&R Approval: Pending Approval
Contact Information
Lead Study Contact(s): Felix Martinez
felix.c.martinez@odot.state.or.us
Phone: 503- 986-2848
Organization Year Commitments Technical Contact Name Funding Contact Name Contact Number Email Address
Arkansas Department of Transportation 1998 $0.00
California Department of Transportation 1998 $0.00
New York State Department of Transportation 1998 $0.00
Oregon Department of Transportation 1998 $0.00
Tennessee Department of Transportation 1998 $0.00
Washington State Department of Transportation 1998 $0.00
Wyoming Department of Transportation 1998 $0.00

Objectives

A research study by the Oregon DOT developed a new rock fallout area design standard for 1/4 H:1v presplit slopes. Even though many states still use the Ritchie Criteria to size catchment areas, the Ritchie ditch shape is usually ignored as it presents a recovery zone hazard.

Comments

Project completed and Final Report published in November 2001; Reports are available online from Oregon DOT

Subjects: Soils, Geology, and Foundations

Documents Attached
Title File/Link Type Privacy Download
Rockfall Catchment Area Design Guide - Final Report http://www.oregon.gov/ODOT/TD/TP_RES/docs/Reports/RockfallReportEng.pdf Final Report Public
Rockfall Catchment Area Design Guide - Appendix http://www.oregon.gov/ODOT/TD/TP_RES/docs/Reports/RokfallCatchAreaEngApdx.pdf Final Report Public

A Modern Design Standard for Rock Fallout Areas

General Information
Study Number: SPR-3(032)
Lead Organization: Oregon Department of Transportation
Solicitation Number: 186
Partners: AR, CA, NY, OR, TN, WA, WY
Contractor(s): Oregon Department of Transportation
Status: Closed
Est. Completion Date:
Contract/Other Number:
Last Updated: Jun 12, 2009
Contract End Date:
Financial Summary
Contract Amount: $650,000.00
Total Commitments Received:
100% SP&R Approval:
Contact Information
Lead Study Contact(s): Felix Martinez
felix.c.martinez@odot.state.or.us
Phone: 503- 986-2848
Commitments by Organizations
Organization Year Commitments Technical Contact Name Funding Contact Name Contact Number Email Address
Arkansas Department of Transportation 1998 $0.00
California Department of Transportation 1998 $0.00
New York State Department of Transportation 1998 $0.00
Oregon Department of Transportation 1998 $0.00
Tennessee Department of Transportation 1998 $0.00
Washington State Department of Transportation 1998 $0.00
Wyoming Department of Transportation 1998 $0.00

Study Description

Objectives

A research study by the Oregon DOT developed a new rock fallout area design standard for 1/4 H:1v presplit slopes. Even though many states still use the Ritchie Criteria to size catchment areas, the Ritchie ditch shape is usually ignored as it presents a recovery zone hazard.

Comments

Project completed and Final Report published in November 2001; Reports are available online from Oregon DOT

Subjects: Soils, Geology, and Foundations

Title File/Link Type Private
Rockfall Catchment Area Design Guide - Final Report Final Report Public
Rockfall Catchment Area Design Guide - Appendix Final Report Public

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