Page 14 - Folchi_simonetti_1992

Il controllo strumentale, oltre a verificare la correttezza delle That of seismic monitoring has showed to be a uselul prac-
ipotesi formulate in fase di progetto e garantire il rispetto del- tice both far verifying accuracy of the project hypofesis and
le rigorose condizioni di sicurezza, ha permesso di ottimizza- the respect of the salety rules imposed for slope safeguard.
re i parametri caratteristici della volata permettendo di con- It has also made possible, by optimization of parameters
seguire, nel complesso, economie di produzione. characterisiics of the blast round, appreciable producfion sav-
ings.

8. RINGRAZIAMENTI 8. ACKNOWLEDGEMENTS

Si ringraziano il dottor geologo Salvatore Ricco, Capo Servi- The writers would like to gratefully acknowledge Doft. Geolo-
zio Geologico e Geotisico della Sicilia, i dottori geologi Gian gist Salvatore Ricco (Chief of the Geologica1 and Geophisical
Cristoforo Galia e Gualtiero Bellomo per la competente colla- Office of Sicily), Do1t.s Geologists Gian Cristoforo Galla and
borazione nel corso dei lavori. Gualfiero Bellomo far the qualilied cooperation.

BIBLIOGRAFIA - REFERENCES
\
AMBRASEYS N,, HENDRON J. (1968). Dynamic behaviour LAMA R. O., VUTUCURI V. S. (1978). Handbookofmechani-
of rock rnasses in rock mechanics in engineering practice. cat properties of rocks. Trans Tech Publications, vol. Il.
John Wiley & Sons.
LUNDBORG N. (1980). Some view on Ihe effect of ground
CHOWDHHURY R. N. (1978). Slope analysis. Elsevier Pub- vibration on slope stability. SVEDEFO.
lishing Company.

ORIARD L. L. (1981). Influente of blasiing on slope stabilily;
ELGAMAL A. W. M., SCOTT F. R., SUCCARIEH M. F., YAN state of the art. 3rd Int. Cont. on stability in surface mining.
L. (1990). La Vilila dam response during five earthquakes in- Soc. of Mining Engineers of the American Instilute of Mining.
cludingpermanent deformation. Journal of Geolechnical En- Metallurgica1 and Petroleu-m Engineers Incl N. Y.
gineering, ASCE.

PITEAU D. R., MARTI~ C.E. ((i98lJ. Mechanh ofrocksiòpe
HARRIES G. (1981). Blasting toachieve slopestability in weak failure. 3rd Int. Conf. on stability in surface mining, Soc. of
rock. 3rd Inl. Cont. on stabilitv in suriace minino. Soc. of Min- Mining Engineers of the American Institute of Mining. Metal-
W.
ing Engineers of the American Institute of Mining, Metallurgi- lurglcal an Petroleum Engineers Inc. N. Y.
cal and Petroleum Engineers Inc., N. Y.

RICHERT F. E., HALL J. R., WOOOS R. D. (1970). Vibrafions
HOEK E., BRAY J. M. (1977). Rock slope engineering. The of soil and foundations. N. M. Newmark, N. J. Hall Editors.
Institution of Mining and Metallurgy, London.

RINEHART J. S. (1975). Strecc transient in solids. Hyper Di-
KOLSKY H. (1963). Stress waves in solids. Dover Pubbl. Inc. namlcs, Santa Fe, New Mexiw.