Earthquake Resistant Engineering Structures

Section 1 - Reinforced Concrete Structures: Investigation on ultimate shear strength of SRC interior beam-column joints; Effect of steel jacket reinforcement of RC Pier Model under impulsive vertical motion; Shear resistant mechanisms of high strength fibre reinforced concrete beams; Anchorage behavior of 90-degree hooked beam bars in reinforced concrete knee joints; Effects of loading rate on reinforced concrete shear walls, Part 1: Dynamic properties of large-size rebars; Effects of loading rate on reinforced concrete shear walls, Part 2: Dynamic properties of concrete; Effects of loading rate on reinforced concrete shear walls, Part 3: High speed loading tests of reinforced concrete shear walls and FE simulation analyses; An evaluation method for the shear strength of multi-story precast concrete structural walls; Model test verification on structural failure modes observed in Hyogo-ken Nabu earthquake 1995; Assessment of brittle failure at the ultimate flexural limit state of R.C. beams by computer simulation; Push-over analysis of underdesigned r.c. frames: a case study in Catania; The seismic performance of reinforced concrete frames with wide band beams; The incidence of the type of modelling on the evaluation of ductility factors for RC beams and columns; A method of dynamic nonlinear analysis for RC frames under seismic loadings; Effects of perimetrical and vertical joint opening on the seismic response of a concrete arch dam; Analytical and experimental analysis on a r.c. braced frame coupled to a new hysteretic dissipation device. Section 2 - Bridges: Effect of axial force fluctuation on non linear earthquake response of a PC cable-stayed bridge; Non linear seismic response analysis of the Aratsu cable-stayed bridge; Seismic analysis and design of bridges including SSI; The investigation of earthquake resistance for the PC continuous rigid frame bridge considering nonlinearity in superstructure; Study on the seismic isolation of high-elevated rigid frame bridge with double deck. Section 3 - Building Structures: Deflection and natural frequency analysis of a quarter scale model building; Macro-models for the in-plane analysis of infilled R C frames: calibration and validation by experimental tests; Neural networks and fuzzy sets: an alternative for risk analysis and damage assessment of structures; In situ measurements of site effects and building dynamic behaviour related to damage observed during the 9/9/1998 earthquake in Southern Italy; The seismic response of damped frames using different dissipative braces: a parametric study; Earthquake excited friction damped braced frames with secondary structures; Seismic behaviour of eccentric braced frames with partially restrained semi-rigid connections. Section 4 - Ground Motion and Side Effects: Liquefaction risk analysis at S.G. La Rena, Catania (Italy); Zoning for soil liquefaction at Catania City (Italy); Parametric study on topographic effects in seismic soil amplification; Site- and soil-specific PSHA for nonlinear soil sites; Strong ground motion simulation in the urban area of Catania on the basis of a detailed geological survey; Small-strain soil behavior parameters for site response analyses; On the behavior of near-source strong ground motion from the seismic records in down-hole array at Hyogoken-Nanbu earthquake; Digital simulation of non-stationary multivariate earthquake ground motion. Section 5 - Seismic Design Criteria: Time-domain stochastic analysis of structures subjected to spectrum-compatible earthquake excitations; Non-linear dynamic analysis for existing masonry structures according to Eurocode 8; Seismic risk evaluation in the area of the Province of Salerno; Seismic design criteria for the south Sinai Red Sea rift zone; The realistic definition of seismic input: an application to the Catania area; Modal combination method in seismic analysis of both classically and non-classically damped structures. Section 6: - Earthquake Resistant Design: Seismic analysis of structural systems with uncertain damping; Aseismic design method using response spectra including liquefaction and ground improvement; Seismic analysis and design of building structures including SSI. Section 7: - Historic Buildings and Monuments: An expert system for the seismic protection of architectural building heritage; The dynamic and earthquake performance of models of ancient columns and colonnades with and without the insertion of wires with energy dissipation characteristics; The reconstruction of the cathedral of Noto; Conservation and strengthening of an early Ottoman tomb against the risk of earthquakes; Compatible restoration mortars for Hagia Sophia earthquake protection; Nonlinear analysis of some typical elements of a basilica plan church; Behaviour and modelling of masonry church buildings in seismic regions; Repair and strengthening of the foundations of ancient buildings in Acireale City (Sicily). Section 8: - Soil Structure Interaction: Cone model for a pile foundation embedded in a soil layer; Soil-foundation-superstructure interaction: effects on the soil; Small-strain impedance of large-diameter single piles by in situ vibration testing; Shaking table test of a shallow foundation; Soil-foundation-superstructures interaction; effects on the superstructure; Seismic response analysis of lined tunnels in poroelastic soil medium. Section 9: - Seismic Isolation and Control: Effect of elasto-plastic shear springs on increasing the seismic safety of a half-through type reinforced arch bridge; Seismic analysis of isolated structures by the response spectrum approach; Seismic isolation of the Jamuna multipurpose bridge; Pseudodynamic test of reinforced concrete columns under varying axial load; Applications of fuse inserts in seismic design of reinforced concrete structures; On the effectiveness of objectives of optimal linear control; Time delay limits in active control systems with closed-loop linear algorithm; Seismic risk reduction in Italy through innovative techniques: 1-Progress of R&D on seismic isolation; Seismic risk reduction in Italy through innovative techniques: 2-R&D on passive energy dissipation systems. Section 10: - Soil Dynamics: Pseudo-dilatational and rotational waves in an elastic medium with variable density; Response of multiple horizontal soil layers using higher order frequency response functions; Site effects on nonlinear seismic response analysis of layered grounds; Overcoming uncertainties in geotechnical risk analysis: the discrete, simulation and fuzzy logic approaches. Section 11: - Case Studies: Evaluation of a framed structure damaged by the 1997 Umbria Marche earthquake; A case study (The Saint Nicolb Cathedral) for dynamic characterization of soil from in situ and laboratory tests; Kobe earthquake; Adana Earthquake: Peculiar damage distribution and seismotectonic characteristics. Section 12: - Retrofit: Seismic retrofit of Chirag 1 offshore platform; Seismic evaluation and retrofit of two California oil refineries.