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HOW TO DRILL HARD ROCK WITH PERCUSSION TOOLS = COMMENT FORER DES ROCHES DURES AVEC DES OUTILS A PERCUSSIONBERUBE SC.1973; DRILLG-D.C.W. MAG.; U.S.A.; DA. 1973; VOL. 34; NO 9; PP. 46-49 (3 P.)Serial Issue

QUELQUES PROBLEMES DE LA THEORIE ET DE L'ETUDE EXPERIMENTALE DES MACHINES DE FORAGE A CHOC HYDRAULIQUEYASOV SG.1972; MEKH. MASH.; S.S.S.R.; DA. 1972; NO 37-38; PP. 49-56; BIBL. 14 REF.Serial Issue

AMORTISSEMENT DES OSCILLATIONS DE TORSION D'UN EQUIPEMENT DE FORAGE ROTARY A PERCUSSIONDZIDZIGURI AA; SEPIASHVILI AD; YAMANIDZE T SH et al.1974; SOOBSHCH. AKAD. NAUK GRZ. S.S.R.; S.S.S.R.; DA. 1974; VOL. 76; NO 2; PP. 396-400; ABS. GEORGIEN ANGL.; BIBL. 3REF.Article

INVESTIGATION OF NOISE AND VIBRATION IN PERCUSSIVE DRILL RODSHAWKES I; BURKS JA.1979; INTERNATION. J. ROCK MECH. MING SCI.; GBR; DA. 1979; VOL. 16; NO 6; PP. 363-376; BIBL. 13 REF.Article

Estimation of soil resistance using rotary percussion drillNISHI, K; SUZUKI, Y; SASAO, H et al.ISC'98 : International Conference on site characterization. 1998, pp 393-398, isbn 90-5410-939-4Conference Paper

GESETZMAESSIGKEITEN BEIM BOHREN VON GEITEIN UND DEREN PRAKTISCHE NATZUNG. = NORMES DE LA FORMATION LEUR UTILISATION PRATIQUEJENDERSIE H; KONIG H.1975; NEUE BERGBAUTECH.; DTSCH.; DA. 1975; VOL. 5; NO 4; PP. 233-238; ABS. RUSSE ANGL.; BIBL. 7 REF.Article

Electromagnetic radiation induced by percussion drillingGOLDBAUM, J; FRID, V; RABINOVITCH, A et al.International journal of fracture. 2001, Vol 111, Num 1, pp L15-L20, issn 0376-9429Article

Influence of geometrical design on the efficiency of a simple down-the-hole percussive drill = Influence de la conception géométrique sur l'efficacité d'un simple fleuret à percussion en fond de puitsLUNDBERG, B; KARLSSON, L. G.International journal of rock mechanics and mining sciences. 1986, Vol 23, Num 3, pp 281-287, issn 0020-7624Article

The «Valvate System» related to precussive boring and sampling techniques = L'adaptation du système «Valvate» au forage à percussion et aux méthodes d'échantillonnageVALLALLY, C. O.Engineering geology special publication. 1986, Num 2, pp 413-417, issn 0267-9914Conference Paper

Investigation of percussion drills for geothermal applicationsFINGER, J. T.Journal of petroleum technology. 1984, Vol 36, pp 2128-2136, issn 0022-3522Article

UNTERSUCHUNGEN UEBER DIE ZUSAMMEN LAENGE DER WICHTIGSTEN PARAMETER BEIM SCHLAGENDEN BOHREN MIT HYDRAULISCHEN HAMMERBOHRMASCHINEN = RECHERCHE DE L'INFLUENCE DES PARAMETRES PRINCIPAUX DANS LE FORAGE A PERCUSSION AVEC DES PERFORATRICES HYDRAULIQUES DE PERCUSSIONBRENNSTEINER E.1979; BERG. HUETTENMAENN. MORATSH.; ISSN 0005-8912; AUT; DA. 1979; VOL. 124; NO 10; PP. 473-482; ABS. ENG/FRE; BIBL. 2 P.; 16 ILL.Article

Observation of cracks at the bottom of percussion and diamond drill holes = Observation de fissures au fond de trous de forage par diamant et percussionHOWARTH, D. F; BRIDGE, E. J.International journal of rock mechanics and mining sciences. 1988, Vol 25, Num 1, pp 39-43, issn 0020-7624Article

Effects of assist gas on the physical characteristics of spatter during laser percussion drilling of NIMONIC 263 alloyLOW, D. K. Y; LI, L; CORFE, A. G et al.Applied surface science. 2000, Vol 154-55, pp 689-695, issn 0169-4332Conference Paper

Modifications to and experience with air-percussion drillingPRATT, C. A.SPE drilling engineering. 1989, Vol 4, Num 4, pp 315-320, issn 0885-9744Conference Paper

Modifications to and experience with percussion air drillingPRATT, C. A.SPE/IADC drilling conference. 1987, pp 1017-1026Conference Paper

Design of a load cell for measuring ultrasonic percussive drilling forcesLOONG, V. K-S; WOJEWODA, J; WIERCIGROCH, M et al.Proceedings of the Institution of Mechanical Engineers. Part C, Journal of mechanical engineering science. 2001, Vol 215, Num 8, pp 965-972, issn 0954-4062Article

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