Maria Garlock - Academia.edu (original) (raw)
Papers by Maria Garlock
Procedure for Simplified Analysis of Perimeter Columns under Fire. [ASCE Conference Proceedings 3... more Procedure for Simplified Analysis of Perimeter Columns under Fire. [ASCE Conference Proceedings 369, 143 (2010)]. Spencer E. Quiel, Maria E. Moreyra Garlock, Ignacio Paya‐Zaforteza. Abstract. Several reports and papers ...
International Journal of Disaster Resilience in The Built Environment, Apr 10, 2017
Purpose This paper aims to present a literature review on the problem of fire following earthquak... more Purpose This paper aims to present a literature review on the problem of fire following earthquake (FFE) as a potential hazard to communities in seismically active regions. The paper is important to work toward resilient communities that are subject to extreme hazards. Design/methodology/approach The paper lists and reviews the historical FFE events (20 earthquakes from 7 countries), studies the available analytical tools to evaluate fire ignition and spread in communities after an earthquake, discusses the available studies on performance of individual buildings under post-earthquake fires and summarizes the current literature on mitigation techniques for post-earthquake fires. Findings FFE can be considered a potential hazard for urban communities that are especially not prepared for such conditions. The available analytical models are not yet fully up to the standards that can be used by city authorities for decision-making, and therefore, should be further validated. Limited structural analyses of individual buildings under FFE scenarios have been completed. Results show that the drift demand on the building frame increases during post-earthquake fires. Despite the mitigation actions, there are still urban cities that are not prepared for such an event, such as certain areas of California in the USA. Originality/value The paper is a complete and an exhaustive collection of literature on different aspects of FFE. Research in earthquake engineering is well advanced, while structural analyses under fire load and performance of communities under FFE can be further advanced.
Transportation Research Record, 2010
Engineering Structures, Sep 1, 2022
Journal- International Association for Shell and Spatial Structures, Mar 1, 2010
Concrete hyperbolic paraboloid umbrella shells designed and built by Felix Candela served as mode... more Concrete hyperbolic paraboloid umbrella shells designed and built by Felix Candela served as models for this structural optimization study. Finite element analysis and optimization of these models provide insight into how a structural artist designed his structures. Moreover, properly combined with an understanding of shell behavior, this study used modern computational tools to show how a new design could aid contemporary engineers in designing optimum types of thin shell concrete structures.
Annual Stability Conference Structural Stability Research Council 2021, SSRC 2021, 2021
Journal of Constructional Steel Research, 2022
Behaviour of Steel Structures in Seismic Areas, 2021
Community resilience to extreme events is an issue of increasing concern in our interconnected an... more Community resilience to extreme events is an issue of increasing concern in our interconnected and urbanized societies. This work provides a framework to evaluate the response of a community of buildin gs to fire following earthquake, a potentially highly destructive cascading multi-hazard event. In a prev ious part of the work, a model has been developed to pre dict the probability of ignition in a building due to an earthquake. Given an ignition in a building, the pr obability of the structure exceeding certain limit states must be evaluated in order to quantify the expected damage loss. Adopting an approach similar to that used in seismic engineering, fragility functions can be developed for structures subjected to fire. The methodology is described here for a prototype nine- story steel frame building. In developing the fragi lity functions, uncertainties in the fire model, the hea t transfer model and the thermo-mechanical response are considered. In addition several fire scena...
Engineering Structures, 2021
Abstract Deployable 4-sided hyperbolic paraboloid (hypar) umbrellas have been demonstrated as a f... more Abstract Deployable 4-sided hyperbolic paraboloid (hypar) umbrellas have been demonstrated as a feasible countermeasure against coastal inundation along urban shorelines. Such structures remain upright during normal operation providing shade and shelter, but transition into a flood barrier prior to storm surge scenarios via a rotational hinge at the vertex. These deployable hypar umbrellas also exhibit the potential to serve as temporary shelters during public emergencies such as pandemics. Building upon previous studies into the performance of deployed hypars, design considerations facilitating their efficient and safe deployment are explored. This paper derives closed-form solutions parameterizing the geometry of 4-sided hypar forms, which are utilized to compute the kinematic response of such structures during the gravity-assisted deployment process. In particular, hinge damping characteristics necessary to achieve a suitable impact velocity at the end of its transition phase are developed and validated via dynamic finite element modeling assuming rigid body behavior. Furthermore, a case study is considered to demonstrate the practical feasibility of appropriate damping mechanisms for implementation within a typical umbrella system without compromise to aesthetic appeal. This research ultimately provides a theoretical basis for the design of kinetic components governing the deployment of hypar umbrellas for coastal hazard adaptation or as a general form of temporary shelter.
Structural Engineering International, 2021
Procedure for Simplified Analysis of Perimeter Columns under Fire. [ASCE Conference Proceedings 3... more Procedure for Simplified Analysis of Perimeter Columns under Fire. [ASCE Conference Proceedings 369, 143 (2010)]. Spencer E. Quiel, Maria E. Moreyra Garlock, Ignacio Paya‐Zaforteza. Abstract. Several reports and papers ...
International Journal of Disaster Resilience in The Built Environment, Apr 10, 2017
Purpose This paper aims to present a literature review on the problem of fire following earthquak... more Purpose This paper aims to present a literature review on the problem of fire following earthquake (FFE) as a potential hazard to communities in seismically active regions. The paper is important to work toward resilient communities that are subject to extreme hazards. Design/methodology/approach The paper lists and reviews the historical FFE events (20 earthquakes from 7 countries), studies the available analytical tools to evaluate fire ignition and spread in communities after an earthquake, discusses the available studies on performance of individual buildings under post-earthquake fires and summarizes the current literature on mitigation techniques for post-earthquake fires. Findings FFE can be considered a potential hazard for urban communities that are especially not prepared for such conditions. The available analytical models are not yet fully up to the standards that can be used by city authorities for decision-making, and therefore, should be further validated. Limited structural analyses of individual buildings under FFE scenarios have been completed. Results show that the drift demand on the building frame increases during post-earthquake fires. Despite the mitigation actions, there are still urban cities that are not prepared for such an event, such as certain areas of California in the USA. Originality/value The paper is a complete and an exhaustive collection of literature on different aspects of FFE. Research in earthquake engineering is well advanced, while structural analyses under fire load and performance of communities under FFE can be further advanced.
Transportation Research Record, 2010
Engineering Structures, Sep 1, 2022
Journal- International Association for Shell and Spatial Structures, Mar 1, 2010
Concrete hyperbolic paraboloid umbrella shells designed and built by Felix Candela served as mode... more Concrete hyperbolic paraboloid umbrella shells designed and built by Felix Candela served as models for this structural optimization study. Finite element analysis and optimization of these models provide insight into how a structural artist designed his structures. Moreover, properly combined with an understanding of shell behavior, this study used modern computational tools to show how a new design could aid contemporary engineers in designing optimum types of thin shell concrete structures.
Annual Stability Conference Structural Stability Research Council 2021, SSRC 2021, 2021
Journal of Constructional Steel Research, 2022
Behaviour of Steel Structures in Seismic Areas, 2021
Community resilience to extreme events is an issue of increasing concern in our interconnected an... more Community resilience to extreme events is an issue of increasing concern in our interconnected and urbanized societies. This work provides a framework to evaluate the response of a community of buildin gs to fire following earthquake, a potentially highly destructive cascading multi-hazard event. In a prev ious part of the work, a model has been developed to pre dict the probability of ignition in a building due to an earthquake. Given an ignition in a building, the pr obability of the structure exceeding certain limit states must be evaluated in order to quantify the expected damage loss. Adopting an approach similar to that used in seismic engineering, fragility functions can be developed for structures subjected to fire. The methodology is described here for a prototype nine- story steel frame building. In developing the fragi lity functions, uncertainties in the fire model, the hea t transfer model and the thermo-mechanical response are considered. In addition several fire scena...
Engineering Structures, 2021
Abstract Deployable 4-sided hyperbolic paraboloid (hypar) umbrellas have been demonstrated as a f... more Abstract Deployable 4-sided hyperbolic paraboloid (hypar) umbrellas have been demonstrated as a feasible countermeasure against coastal inundation along urban shorelines. Such structures remain upright during normal operation providing shade and shelter, but transition into a flood barrier prior to storm surge scenarios via a rotational hinge at the vertex. These deployable hypar umbrellas also exhibit the potential to serve as temporary shelters during public emergencies such as pandemics. Building upon previous studies into the performance of deployed hypars, design considerations facilitating their efficient and safe deployment are explored. This paper derives closed-form solutions parameterizing the geometry of 4-sided hypar forms, which are utilized to compute the kinematic response of such structures during the gravity-assisted deployment process. In particular, hinge damping characteristics necessary to achieve a suitable impact velocity at the end of its transition phase are developed and validated via dynamic finite element modeling assuming rigid body behavior. Furthermore, a case study is considered to demonstrate the practical feasibility of appropriate damping mechanisms for implementation within a typical umbrella system without compromise to aesthetic appeal. This research ultimately provides a theoretical basis for the design of kinetic components governing the deployment of hypar umbrellas for coastal hazard adaptation or as a general form of temporary shelter.
Structural Engineering International, 2021