Validation of pre-operational access phase to selected SERIES datasets

This deliverable is written within the framework of the project “Seismology and Earthquake Engineering Research Infrastructure Alliance for Europe – SERA” (Project no: 730900), funded by the Horison2020, INFRAIA-01-2016-2017 Programme. Main objective of this deliverable is to describe the pre-operational access phase of selected SERIES datasets through the existing EPOS service as a new Thematic Core Service (TCS).JRC.E.4-Safety and Security of Building

Expansion and update version of the SERIES database

This document joins deliverables D6.2 "Expansion of the SERIES database" and D6.3 "Updated version of SERIES database" of the SERA project. Maintenance and expansion of the SERIES database is one of the two main objectives of SERA work package 6 "Networking experimental seismic engineering databases (SERIES)". The actions taken to achieve this objective are described in the following and include the creation of the graphical user interface (GUI) and its user manual, the development of tools that assist in the creation of experimental data, and the modifications in the Data Access Portal (DAP) website and back-end. The installation manual and the user manual are given in AnnexesJRC.E.4-Safety and Security of Building

Maintenance of the SERIES database

This deliverable is written within the framework of the project “Seismology and Earthquake Engineering Research Infrastructure Alliance for Europe – SERA” (Project no: 730900), funded by the Horison2020, INFRAIA-01-2016-2017 Programme. Main objective of this deliverable is the maintenance of the SERIES databases and the update of user interface of the SERIES Data Access Portal.JRC.E.4-Safety and Security of Building

Review of current SERIES and EPOS Databases

In a world-wide scale, collaborations in earthquake engineering lack a common interoperability framework, resulting in tedious and complex procedures to integrate data and results. Up to now, the most significant effort in Europe towards the interoperability of earthquake engineering experimental data was the SERIES project (Seismic Engineering Research Infrastructures for European Synergies) in the period 2009 - 2013. Global sharing of seismological data has been a long-lasting tradition tracing back to the beginning of the previous century. Recently, the ESFRI (European Strategic Forum for Research Infrastructures) initiative and the EPOS project (European Plate Observing System), provided a larger framework for the integration of all solid Earth science data into a single Pan-European e-infrastructure. Up to now, the two adjacent scientific disciplines, i.e. the earthquake engineering and seismology, have not interfaced their data structures, lacking an interoperable data-sharing structure. However, there is need to increase the interaction of the earthquake engineering and seismology communities by integrating the most important databanks and related informatics services in Europe, i.e. SERIES and EPOS. This deliverable presents a review of the current SERIES and EPOS systems: the main features of the two are discussed, focusing on their architecture, content, databases, functionality and access portals. It is noted that aiming to a better knowledge of the EPOS and SERIES projects, the deliverable needed to review also two approaches for data sharing and integration (governance, architecture, collaboration), and not be only limited to a review of current SERIES and EPOS databases. The review presented in the deliverable will serve as the basis for the future roadmap for integration of earthquake engineering and seismological data and informatics services that will support the needs of the two research communities and beyond.JRC.E.4-Safety and Security of Building

Effect of axial restraint and loading history on the behavior of short reinforced concrete coupling beams

Short reinforced concrete (RC) coupling beams are key for the adequate behavior of coupled-wall structures, while at the same time they are susceptible to brittle shear failures. Particularly vulnerable are existing pre-1970s coupling beams in seismic zones that feature orthogonal reinforcement with low amounts of stirrups. However, while the shear behavior of such members is influenced by the axial restraint provided by the stiff shear walls, lab tests have neglected this effect. In addition, lab tests typically feature a symmetrical cyclic loading history, while in reality large inelastic pulses in one direction may affect the behavior of the beam in the opposite loading direction. Therefore, this paper presents an experimental program consisting of four large-scale coupling beams with variable level of axial restraint and different types of loading. Load-displacement curves, crack diagrams, deformed shapes, steel strain measurements, photographs, and an advanced strut-and-tie model are used to establish a comprehensive picture of the behavior of the beams. It is shown that the axial restraint generates large compression in the beams and significantly alters their crack pattern and shear strength. Large inelastic pulses have a limited effect on the strength, but significantly influence the drift capacity of coupling beams

Seismic Design of Open-Storey Infilled RC Buildings.

Abstract not availableJRC.(ISIS)-Institute For Systems, Informatics And Safet

Sub-Structured Pseudodynamic Testing of Rate-Dependent Bridge Isolation Devices

Despite the continuous evolution of the pseudo-dynamic testing method, the unrealistic testing speed still constitutes a barrier when testing loading rate-sensitive devices. A special procedure accounting for the strain-rate effect of two different types of bridge isolation devices, is presented herein. The procedure consists of a series of simple, sinusoidal-type, characterization tests conducted at different speed, which ultimately yield appropriate force-compensation factors to compensate the, otherwise ignored, strain-rate effect. The procedure is applied to characterize the dynamic response of both, a low-damping elastomeric bearing isolator and a special electro-inductive energy dissipation device. The response of a multi-span, seismically isolated highway bridge is then experimentally studied by sub-structuring, with on-line correction of measured reaction forces to account for the velocity-dependent properties of the isolation devices. The experimental results obtained showed that the procedure can be employed to account for the force modification in testing rate-dependent isolation devices at reduced speed.JRC.G.5-European laboratory for structural assessmen