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1-13 of 13
Keywords: tunnel face
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Proceedings Papers
Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-303
... Reservoir Characterization strength subrin bolt-reinforced tunnel face bolt tension France numerical approach displacement behaviour analytical model Upstream Oil & Gas face extrusion tunnel face shear stress finite ground-bolt bond strength calculation Wong situ data...
Proceedings Papers
Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-551
... ABSTRACT: Stability of tunnel faces in sandy ground is influenced not only by the mechanical properties of the ground but also by the groundwater conditions. Sand tank experiments prove that the morphological features of face collapse are influenced by the properties of ground...
Proceedings Papers
Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-556
... is also made to monitoring at the Angel Station Reconstruction completed in 1993 (Moriarty and Cooper 1993) and Old Street Reconstruction completed in 1996 (Cooper et al 2000). electrolevel tunnel face Heathrow tunnel ground transportation Piccadilly Line tunnel monitoring London tape...
Proceedings Papers
Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-604
... strength mechanism tunnel face macroscopic strength criterion homogeneous material criterion limit load reinforcement contribution geometry design theory bolt reinforcement homogenization approach failure mechanism stability analysis optimization cohesive-frictional soil...
Proceedings Papers
Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-584
..., vertical effective stress at the tunnel springline, tunnel face supporting pressure and pore pressure at the tunnel springline, average soil strength above the tunnel, and physical gap parameters involved with the tunnel boring machine, including the effects of thickness of tail piece, clearance...
Proceedings Papers
Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-633
... Design criterion radial displacement tunnel face hoek-brown criterion construction equation reservoir geomechanics strength failure criterion application GRC rock mass internal pressure excavation tunnel 1 Consulting Engineering, Itasca Consulting Group Inc., Minneapolis, USA (cct...
Proceedings Papers
Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-637
.... fragile rock ground condition overbreak closure Upstream Oil & Gas tunnel face sandstone schist Reservoir Characterization quartzite dia face collapse renewable energy limestone Himalaya tunnel rock mass shale geology gneiss phyllite lesser himalaya thrust CHALLENGES...
Proceedings Papers
Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-605
... on radial bolting reinforcement of tunnels, presenting improvements over previously published solutions by Stille et al. (1989) and Greuell (1993 and 1994). empirical method practical application assumption numerical computation Reservoir Characterization reinforcement tunnel face lining...
Proceedings Papers
Paper presented at the ISRM International Symposium, September 21–24, 1981
Paper Number: ISRM-IS-1981-131
... is excavated manually with picks and shovels. One excavation length is 1Ocm. different stress region dimensional model test experiment tunnel stress Redistribution earth pressure tunnel face lining stress release zone earth experiment stress region friction angle displacement soft ground...
Proceedings Papers
Paper presented at the ISRM International Symposium, September 21–24, 1981
Paper Number: ISRM-IS-1981-132
... INTRODUCTION It is of fundamental importance to have an appropriate knowledge about stresses and deformations around an advancing tunnel face In designing supports and linings, as well as in planning construction method. The present paper is concerned with several investigations on stresses...
Proceedings Papers
Paper presented at the ISRM International Symposium, September 21–24, 1981
Paper Number: ISRM-IS-1981-189
..., but Only the grouting using sleeve pipe of retarded-setting hard silica gel (sodium ~ilicate and triacetin) and shield tunnel- ing method were found successful. This paper deals with application of various methods carried out to stabilize the tunnel face, and the grouting using ~leeve pipe of retarded...
Proceedings Papers
Paper presented at the ISRM International Symposium, September 21–24, 1981
Paper Number: ISRM-IS-1981-153
.... If the factors Eo, EI, Y, 1) , a in equation (2) are made oonstant, then the displacement II beoomes a function of the initalstre ss po, and of time. 3.2 Displacement model·with regard to the progTess of the tunnel face ~e theoretical discussion of diaplace- ment in visoo-elastic rock given above was conoerned...
Proceedings Papers
Paper presented at the ISRM International Symposium, September 21–24, 1981
Paper Number: ISRM-IS-1981-155
..., with the displacement dehavior of tunnel faces (in other words eformation in the direction of the tunnel axis) being rarely subject to consideration. It is the intent of this paper to demon- S~rate that monitoring of tunnel face dis- ~ acement behavior offers useful information Or Control of tunnel construction by pro...