Assessment of inelastic response of buildings using force
... hysteretic hardening–softening model (HHS). The structural model is characterized by the definition of a primary curve and unloading and reloading rules. The primary curve for a hysteretic force– displacement relationship is defined as the envelope curve under cyclic loads. For non-degrading models ...
... hysteretic hardening–softening model (HHS). The structural model is characterized by the definition of a primary curve and unloading and reloading rules. The primary curve for a hysteretic force– displacement relationship is defined as the envelope curve under cyclic loads. For non-degrading models ...
The teleseismic signature of fossil subduction - Lamont
... [11] Although a formal 2-D or 3-D inversion for anisotropic parameters is, in principle, possible [Burridge et al., 1998], teleseismic data sets are generally too poorly sampled in slowness and back-azimuth to afford a well-posed inverse problem. We have opted for a simpler imaging scheme that invol ...
... [11] Although a formal 2-D or 3-D inversion for anisotropic parameters is, in principle, possible [Burridge et al., 1998], teleseismic data sets are generally too poorly sampled in slowness and back-azimuth to afford a well-posed inverse problem. We have opted for a simpler imaging scheme that invol ...
Seismic Considerations for the Art Deco Interwar Reinforced
... Deco building in the region, a study undertaken to demonstrate that widespread typological and geometric surveys of the region’s Art Deco building stock would provide the following advantages: 1. Immediate guidance to local officials responsible for mitigating the impacts of regional hazards and to ...
... Deco building in the region, a study undertaken to demonstrate that widespread typological and geometric surveys of the region’s Art Deco building stock would provide the following advantages: 1. Immediate guidance to local officials responsible for mitigating the impacts of regional hazards and to ...
chapter 5 intervention strategies
... strengthening, the designer must typically evaluate the damage, perform analysis to determine why the damage occurred, and develop alternative schemes to repair and/or strengthen the structure. These alternative schemes must be evaluated and the most appropriate solution should be selected. The engi ...
... strengthening, the designer must typically evaluate the damage, perform analysis to determine why the damage occurred, and develop alternative schemes to repair and/or strengthen the structure. These alternative schemes must be evaluated and the most appropriate solution should be selected. The engi ...
Quaternary
... about 8000 m below sea level off the coast of Antofagasta at 23°S（Fisher and Raitt，1962）． The non−volcanic outer arc is defined as the region between the inner wall of trench and the volcanic front． Generally， the outer arc is composed of a continental slope，acontinental shelf， an outer arc rise a ...
... about 8000 m below sea level off the coast of Antofagasta at 23°S（Fisher and Raitt，1962）． The non−volcanic outer arc is defined as the region between the inner wall of trench and the volcanic front． Generally， the outer arc is composed of a continental slope，acontinental shelf， an outer arc rise a ...
Design of a Low-rise RC Building with Damping System
... This study compared the reduction performance by displacement amplification ratios with the interstory toggle type and the two-story toggle type, while comparing the values when 2 units were used. As the amplification ratio increased, the reduction effect increased as well, and it was found that the ...
... This study compared the reduction performance by displacement amplification ratios with the interstory toggle type and the two-story toggle type, while comparing the values when 2 units were used. As the amplification ratio increased, the reduction effect increased as well, and it was found that the ...
Seismicity and active tectonics in the Alboran Sea, Western
... The Gibraltar Arc and Betic-Rif cordilleras constitute the westernmost end of the Mediterranean Alpine ranges at the boundary between the African and Eurasian plates. Slab rollback is now considered as the major process that during the last 25–30 Myr has been responsible for controlling the present ...
... The Gibraltar Arc and Betic-Rif cordilleras constitute the westernmost end of the Mediterranean Alpine ranges at the boundary between the African and Eurasian plates. Slab rollback is now considered as the major process that during the last 25–30 Myr has been responsible for controlling the present ...
Seismic tomography of compressional wave attenuation structure for
... model inversions [e.g., Thurber et al., 2009; Lin et al., 2010]. In the checkerboard test, we perturbed the starting 1-D Qp model by ±30% across three grid nodes and alternating at depth. We then computed the synthetic t∗ values through the perturbed model for the same distributions of event hypocen ...
... model inversions [e.g., Thurber et al., 2009; Lin et al., 2010]. In the checkerboard test, we perturbed the starting 1-D Qp model by ±30% across three grid nodes and alternating at depth. We then computed the synthetic t∗ values through the perturbed model for the same distributions of event hypocen ...
Joint microseismic event location with uncertain velocity
... for the fracture size. Given the joint distribution of the event locations, we can compute the distribution of the distance between the two events. Toward that end, we generate a sample from the joint distribution and compute the distance between two points for each sample. Figure 3 shows the result ...
... for the fracture size. Given the joint distribution of the event locations, we can compute the distribution of the distance between the two events. Toward that end, we generate a sample from the joint distribution and compute the distance between two points for each sample. Figure 3 shows the result ...
Vortex Tectonics: The Primary Factors Which
... maps. In reality the location of the spin axis is unstable and the axis is constantly changing location by as much as 15 meters (50 feet) a year. It may sound like very little variation but it has hugely profound implications for the brittle shell on the outer surface of the crust of the Earth. This ...
... maps. In reality the location of the spin axis is unstable and the axis is constantly changing location by as much as 15 meters (50 feet) a year. It may sound like very little variation but it has hugely profound implications for the brittle shell on the outer surface of the crust of the Earth. This ...
dynamic characteristics of alluvial deposits – a case study
... 3.3 Cross-Hole Seismic Tests The cross hole seismic test consists of generation of horizontally traveling P and S waves at a particular level in a source borehole and recording their arrivals at same level in one or two nearby receiver boreholes. Two receiving holes are used for timing accuracy when ...
... 3.3 Cross-Hole Seismic Tests The cross hole seismic test consists of generation of horizontally traveling P and S waves at a particular level in a source borehole and recording their arrivals at same level in one or two nearby receiver boreholes. Two receiving holes are used for timing accuracy when ...
Physical modeling of the formation and evolution of
... on the surface of each sample to receive acoustic signals. One of the sensors situated near the mid-plane of the sample was used to control the feedback that changed the rate of loading depending on the current acoustic activity. The threshold value of AE rate used in the feedback circuit was mainta ...
... on the surface of each sample to receive acoustic signals. One of the sensors situated near the mid-plane of the sample was used to control the feedback that changed the rate of loading depending on the current acoustic activity. The threshold value of AE rate used in the feedback circuit was mainta ...
Solid Earth The link between great earthquakes and the subduction
... at the coupling interface between the overriding and downgoing plates. We construct a subduction coupling zone model by combining the Slab1.0 3-dimensional global subduction zone model (Hayes et al., 2012) with lithospheric thickness model TC1 (Artemieva, 2006) for overriding continental plates, as ...
... at the coupling interface between the overriding and downgoing plates. We construct a subduction coupling zone model by combining the Slab1.0 3-dimensional global subduction zone model (Hayes et al., 2012) with lithospheric thickness model TC1 (Artemieva, 2006) for overriding continental plates, as ...
Change of crustal gravitational potential energy in the Taiwan
... gravitational potential energy (GPE) change in the Taiwan orogen caused by the Chi-Chi earthquake sequence, which was catalogued by the regional broadband seismometer array for a whole year. As a result, we find that the crust was going up and down randomly during the earthquake sequence, but an ove ...
... gravitational potential energy (GPE) change in the Taiwan orogen caused by the Chi-Chi earthquake sequence, which was catalogued by the regional broadband seismometer array for a whole year. As a result, we find that the crust was going up and down randomly during the earthquake sequence, but an ove ...
Dynamic parameters of structures extracted from ambient
... extract using Modal Analysis methods. There are many different techniques to identify the “natural” modes of a structure, which can be divided into parametric and non-parametric methods. In the first category, the parameters of the considered model are updated to fit the recorded data in frequency o ...
... extract using Modal Analysis methods. There are many different techniques to identify the “natural” modes of a structure, which can be divided into parametric and non-parametric methods. In the first category, the parameters of the considered model are updated to fit the recorded data in frequency o ...
An inverted continental Moho and serpentinization of
... and serpentinized forearc region2, consistent with thermal and petrological models of the forearc mantle wedge. This serpentinized material is thought to have low strength and may therefore control the down-dip rupture limit of great thrust earthquakes, as well as the nature of large-scale flow in t ...
... and serpentinized forearc region2, consistent with thermal and petrological models of the forearc mantle wedge. This serpentinized material is thought to have low strength and may therefore control the down-dip rupture limit of great thrust earthquakes, as well as the nature of large-scale flow in t ...
Experimental Seismic Performance Evaluation of Unreinforced Brick
... and is presented in the form of force-deformation hysteresis loops and envelope curves. Based on the measured data, different performance levels have been established. The measured response of the test structure is also compared to the estimated response obtained using three capacity evaluation proc ...
... and is presented in the form of force-deformation hysteresis loops and envelope curves. Based on the measured data, different performance levels have been established. The measured response of the test structure is also compared to the estimated response obtained using three capacity evaluation proc ...
Earthquake casualty estimation
Recent advances are improving the speed and accuracy of loss estimates immediately after earthquakes (within less than an hour) so that injured people may be rescued more efficiently. After major and large earthquakes, rescue agencies and civil defense managers rapidly need quantitative estimates of the extent of the potential disaster, at a time when information from the affected area may not yet have reached the outside world. For the injured below the rubble every minute counts.To rapidly provide estimates of the extent of an earthquake disaster is much less of a problem in industrialized than in developing countries. This article focuses on how one can estimate earthquake losses in developing countries in real time.