Analysis of rockfall and blasting backbreak problems, US 550, Molas Pass, CO

American Rock Mechanics Association - 40th US Rock Mechanics Symposium, ALASKA ROCKS 2005: Rock Mechanics for Energy, Mineral and Infrastructure Development in the Northern Regions

Volumn , Issue , 2005, Pages

  Gates, William C B ^a   Ortiz, L T ^b   Florez, Robert M ^b  

^a KLEINFELDER   (United States)

^b State of Colorado   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

BLASTING; ROCK BURSTS; ROCK MECHANICS; ROCKS; SHOULDERS (ROAD);

COLORADO DEPARTMENT OF TRANSPORTATIONS; DAY LIGHTINGS; FIRING SEQUENCES; GEOLOGIC STRUCTURES; MITIGATION PROJECTS; ROCK EXCAVATION; ROCK REINFORCEMENT; SIGHT DISTANCE;

MINERALS;

EID: 84886410136     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (13)

1. Ludke, R.G. and W. S. Burbank, 2000, Geologic Map of the Silverton and Howardsville Quadrangles, Southwestern Colorado, United States Geological Survey.
2. Chronic H. and Williams F. 2002. Roadside Geology of Colorado. Mountain Press Publishing Company, 269.
3. Bieniawski, Z.T. 1989. Engineering Rock Mass Classifications, John Wiley & Son, 251.
4. Hoek, E. and E. T. Brown. 1997. Practical Estimates of Rock Mass Strength, International Journal of Rock Mechanics and Mineral Sciences, Vol. 34, No. 8, pp. 1165-1186.
5. Deere, D. U.1963. Technical description of rock cores for engineering purposes, Felsmechanik und Ingenieugeologie, 1(1). 16-22.
6. Planstrom, A. 1975. “Karakterisering av Oppsprekningsgrad og Fjellmassers Kvalild” Internal Report, Ing. A. B. Berdal A/S, Oslo, Norway. 1-26.
7. International Society of Rock Mechanics (ISRM). 1981. Suggested Methods for the Quantitative Descriptions of Discontinuities in Rock Masses. ed. E.T. Brown, Pergamon Press, Oxford, UK. 211.
8. Watts, C.F. 2001. Rockpack III, Slope Stability Computerized Analysis Package Reference Manual, Radford University, 48pp. and Appendices.
9. ROCPLANE Version 2.0. 2003. Stability Analysis Software for Translational Failures. RocSceince Inc. Toronto, Canada.
10. th ed., Spoon Press, 431.
11. st Edition, FHWA-HI-92-001, National Highway Institute, 430.
12. nd Edition, FHWA-HI-92-001, National Highway Institute, 399.
13. th ed., ed R.B. Hopler, International Society of Explosive Engineers, 742.