Number 2 A probabilistic approach for estimating the response of multi-degree-of-freedom structures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I.D. G U P T A (India) Load bearing behaviour of fully grouted anchors under shock loading . . . . . . H. H A G E D O R N (Switzerland) Comparison of response spectrum amplitudes from earthquakes with a lognormally and exponentially distributed return period . . . . . . . . . . . . . . . . . . M.I. TODOROVSKA (USA)
79 89
97
Paraxial approximation for poroelastic media . . . . . . . . . . . . . . . . . H. MODARESSI & I. BENZENATI (France)
117
High strain dynamic modulus and damping of chemically grouted sand M.H. MAHER, K.S. RO & J.P. WELSH (USA)
131
.....
Substructure methods for impact systems: Comparison with free field measurements Th. NEIDHART, J. GRABE & G. HUBER (Germany)
Number 3 Q and high-frequency strong motion spectra . . . . . . . . . . . . . . . . . . M.D. T R I F U N A C (USA)
425
149
426
Contents o f Volume 13
An Engineering Guide to Seismic Risk to Dams in the United Kingdom, and its international relevance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E.M. GOSSCHALK, R.T. SEVERN, J.A. C H A RLES & J.L. H I N K S (UK)
163
The dynamic shear response of an infinitely long visco-elastic layer under gravitational loading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . O. A Y D A N (Japan)
181
A note on distribution of uncorrected peak ground accelerations during the Northridge, California, earthquake of 17 January 1994 . . . . . . . . . . . . . . . . M.D. T R I F U N A C , M.I. T O D O R O V S K A & S.S. IVANOVIC (USA)
187
Analytical and numerical techniques for the dynamic analysis of non-classically damped linear systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . F. PEROTTI (Italy)
197
Spectral characteristics of the seismic hazard between the Alps and the Dinarides . L. PERUZZA, L. SIROVICH & D. SLEJKO (Italy)
213
Seismic hazard assessment using intensity point data . . . . . . . . . . . . . . G. MONACHESI, L. PERUZZA, D. SLEJKO & M. STUCCHI (Italy)
Number 4 Site effects in Mexico City eight years after the September 1985 Michoacan earthquakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F.J. C H A V E Z - G A R C I A (Mexico) & P.-Y. BARD (France)
229
Analytical and numerical solutions for wave propagation in water-saturated porous layered half-space . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J. TABATABAIE YAZDI, S. VALLIAPPAN & C. Z H A O (Australia)
249
Closed-loop random vibration control of a shaker table with a microcomputer . . M.L. W A N G (USA)
259
Identification of force from response data of a nonlinear system . . . . . . . . . M.L. W A N G & T.J. K R E I T I N G E R (USA)
267
Seismic ground motion in a layered half-space due to a Haskell-type source. I: Theory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A.P. T H E O H A R I S (Greece) & G. DEODATIS (USA)
281
Seismic ground motion in a layered half-space due to a Haskell-type source. II: Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . G. DEODATIS (USA) & A.P. T H E O H A R I S (Greece)
Number 5 Dynamic response of 2D and 3D block foundations on a halfspace with inclusions H. ANTES & O. VON E S T O R F F (Germany)
305
M TM of the 1989 Loma Prieta earthquake . . . . . . . . . . . . . . . . . . . M.D. T R I F U N A C (USA)
313
Dependence of strong ground motion on magnitude~listance, site geology and macroseismic intensity for shallow earthquakes in Greece: II, Horizontal pseudovelocity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N.P. T H E O D U L I D I S & B.C. PAPAZACHOS (Greece) Generation of hazard-consistent fragility curves . . . . . . . . . . . . . . . . . H.H.M. H W A N G & J.-R. H U O (USA) Application of the weighted residual method to diffraction by 2-D canyons of arbitrary shape: I. Incident SH waves . . . . . . . . . . . . . . . . . . . . . V.W. LEE & X. WU (USA)
317 345
355
Contents of Volume 13 Application of the weighted residual method to diffraction by 2-D canyons of arbitrary shape: II. Incident P, SV and Rayleigh waves . . . . . . . . . . . . . V.W. LEE & X. WU (USA)
427
365
Number 6 Generation of hazard-consistent ground motion . . . . . . . . . . . . . . . . H.H.M. H W A N G & J.-R. HUO (USA)
377
Absorbing boundary conditions for dynamic analysis of fluid-saturated porous media . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T. AKIYOSHI, K. F U C H I D A & H.L. F A N G (Japan)
387
Order statistics of functionals of strong ground motion for a class of renewal processes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M.I. TODOROVSKA (USA)
399
Scattering of plane SH waves by a cylindrical canyon of circular-arc cross-section X. YUAN & Z.P. LIAO (China)
407
Site effect evaluation at Mexico City: dominant period and relative amplification from strong motion and microtremor records . . . . . . . . . . . . . . . . . . J. LERMO & F.J. CH,h,VEZ-GARCIA (Mexico)