Results 71 to 80 of about 31,070 (270)

Mechanical characterization of adobe bricks in existing constructions in Aveiro Region, Portugal [PDF]

open access: yes, 2005
In Portugal it is common to find earth constructions all over the country, being predominant in the centre and south. In the past, earth was massified as a construction material, used with different typologies and applications.
Martins, T., Varum, H.
core   +1 more source

Finite Element Modeling of a Thermoplastic Polyurethane Ball for Rolling Seismic Isolation

open access: yesEarthquake Engineering &Structural Dynamics, Volume 55, Issue 4, Page 926-946, 10 April 2026.
ABSTRACT The Elastomeric‐Ball Pendulum (EBP) system, which consists of an elastomeric ball rolling on a spherical concrete surface, has been proposed as an isolation system for lightweight structures. Experimental tests have shown that the mechanics of such a rolling ball are remarkably complicated because the vertical load changes the shape of the ...
Sergio I. Reyes   +2 more
wiley   +1 more source

Comparison of Developed Numerical Macro and Micro Masonry Models for Static and Dynamic Analysis of Masonry-infilled Steel Frames

open access: yesLatin American Journal of Solids and Structures
First, the basic characteristics of macro and micro masonry models in numerical analyses of masonry structures are discussed. Afterwards, developed numerical macro and micro masonry models, intended for the nonlinear static and dynamic analysis of ...
Goran Baloevic   +4 more
doaj   +1 more source

Seismic Enhancement of Masonry‐Infilled Substandard Reinforced Concrete Frames Using Lightweight Steel Exoskeleton

open access: yesEarthquake Engineering &Structural Dynamics, Volume 55, Issue 3, Page 603-623, March 2026.
ABSTRACT A significant portion of existing reinforced concrete (RC) structures in seismically active regions was constructed prior to the adoption of modern seismic design standards, leaving them highly susceptible to earthquake‐induced damage. The vulnerabilities of these structures, often exacerbated by material degradation, have been starkly ...
İsmail Ozan Demirel   +3 more
wiley   +1 more source

Combined Vertical and Horizontal Components of Near‐Source Earthquakes and Impact on Base‐Isolated Structures

open access: yesEarthquake Engineering &Structural Dynamics, Volume 55, Issue 3, Page 781-803, March 2026.
ABSTRACT Over recent decades, the collection of seismic data has improved the understanding of near‐fault ground motion effects, which involve both horizontal and vertical components. Among the most significant effects are fault‐normal directivity, which concentrates seismic energy into an intense, long‐period pulse, and fault‐parallel fling step ...
Giulia Giuliani   +7 more
wiley   +1 more source

Poultry Housing In Ohio [PDF]

open access: yes, 1949
PDF pages ...
Blickle, J. D., Moyer, D. D.
core  

Building Back Better Following the 2023 Kahramanmaraş Earthquake Sequence: Repair and Retrofit of Damaged Residential Reinforced Concrete High‐Rise Buildings

open access: yesEarthquake Spectra, Volume 42, Issue 1, February 2026.
Earthquakes have caused, and will continue to cause, damage to the built environment, resulting in casualties, economic losses, and long‐term societal impacts. One approach to decreasing future losses is limiting the damage that buildings experience during an earthquake and speeding up their recovery by following the “build back better” principle.
Nikola Blagojević   +7 more
wiley   +1 more source

Analysis of precast lintels behaviour in walls confined by reinforced lightweight and ordinary concrete

open access: yesBudownictwo i Architektura, 2020
This paper presents the test results of reinforced precast lintels made of autoclaved aerated concrete (AAC) used to cover window openings in walls made of AAC masonry units. Walls were confined with reinforced lightweight concrete.
Wojciech Mazur, Tomasz Rybarczyk
doaj   +1 more source

Predicting Seismic Debris Distributions of Collapsed Unreinforced Masonry Structures Through Physics Engines and Machine Learning Algorithms

open access: yesEarthquake Spectra, Volume 42, Issue 1, February 2026.
Unreinforced masonry (URM) structures are widespread worldwide, particularly in older urban districts. However, URM buildings—particularly those constructed before the introduction of modern building codes—are highly vulnerable to seismic hazard, and prone to experiencing local and/or global failures when subjected to significant horizontal shaking ...
Jiadaren Liu   +2 more
wiley   +1 more source

Benchmark Dataset From Centrifuge Shake Table Tests of 3D‐Printed Unreinforced Masonry Structures for Seismic Model Validation

open access: yesEarthquake Spectra, Volume 42, Issue 1, February 2026.
This data paper presents a comprehensive dataset derived from a series of 29 centrifuge shake table tests of 29 identical virgin small‐scale physical models of an unreinforced masonry (URM) structure. System‐level testing of full‐scale civil engineering structures under seismic loading is often prohibitively expensive and time‐consuming due to specimen
Medhat Elmorsy   +6 more
wiley   +1 more source

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