Results 21 to 30 of about 5,011 (248)

Plastic disproportionate collapse at lost corner columns [PDF]

Magazine of Concrete Research, 2009
This paper deploys an existing method for the simple rigid-plastic hand calculation of slab yield-line mechanisms to address the wider problem of disproportionate collapse at lost columns in multi-storey buildings. Floor systems will be treated as grillages combining torsion-free (Hillerborg) slabs and torsion-free beams.
openaire   +1 more source

Progressive Collapse and Robustness Analysis of Multi-Story Steel Structures

Engineering Proceedings
Determining the damage mechanisms of structures that have suffered partial or total collapse under the influence of an earthquake contributes to revealing the causes of damage and taking the necessary precautions.
Julide Yuzbasi, Ercan Işık
doaj   +1 more source

Effects of changing permafrost and snow conditions on tundra wildlife: critical places and times

Arctic Science, 2017
The change of water phase around 0 °C has considerable impacts on wildlife ecology because liquid and solid water strongly differ in their insulating capability, mechanical resistance, and light reflectance.
Dominique Berteaux, Gilles Gauthier, Florent Domine, Rolf A. Ims, Scott F. Lamoureux, Esther Lévesque, Nigel Yoccoz   +6 more
doaj   +1 more source

Dynamic Response of Bowstring-arch Highway Bridge Subjected to Above and Below Deck Close-range Large Explosion [PDF]

E3S Web of Conferences
Explosion incidents that are unforeseen can lead to the occurrence of extreme loads, resulting in the generation of remarkably high stress levels within the materials comprising various structures.
Akram Shahbaz, Umair Mohammad, Alam Mehtab, Anas S.M.   +3 more
doaj   +1 more source

Disproportionate collapse of a cable-stayed bridge

Proceedings of the Institution of Civil Engineers - Bridge Engineering, 2019
The disproportionate collapse of an existing cable-stayed bridge was investigated at the numerical level by employing a validated model from the literature and the applied-element method. An earthquake input was used for the numerical simulations and applied at increasing intensity to assess the bridge response.
Domaneschi, Marco, Cimellaro, Gian Paolo, Scutiero, Gianluca   +2 more
openaire   +1 more source

Bioprinting Organs—Science or Fiction?—A Review From Students to Students

Advanced Healthcare Materials, EarlyView.
Bioprinting artificial organs has the potential to revolutionize the medical field. This is a comprehensive review of the bioprinting workflow delving into the latest advancements in bioinks, materials and bioprinting techniques, exploring the critical stages of tissue maturation and functionality.
Nicoletta Murenu, Camilla Mussoni, Mateo S. Andrade Mier, Paula Buettner, Nathaly Chicaiza‐Cabezas, Yi‐Yu Robin Dai, Jessica Faber, Maren Fiedler, Zan Lamberger, Xuen Jen Ng, Vanessa Moessler, Anna Rederer, Jonas Roeder, Sabrina Stecher, Katinka Theis, Jeanette Weigelt, Silvia Budday, Gregor Lang, Natascha Schaefer   +18 more
wiley   +1 more source

Nanotherapies for Atherosclerosis: Targeting, Catalysis, and Energy Transduction

Advanced Healthcare Materials, EarlyView.
Atherosclerosis management is hindered by poor drug targeting and plaque heterogeneity. Nanotechnology overcomes these barriers via three core strategies: (1) target‐engineered nanocarriers that achieve lesion‐specific precision via ligand modification, biomimetic camouflage, stimuli‐responsive release, and self‐propelling nanomotors; (2) catalytic ...
Yuqi Yang, Jingguo Qu, Tonghuan Xiao, Xinyang Han, Michael Tin‐Cheung Ying   +4 more
wiley   +1 more source

Oxygen Evolution Reaction Catalysts for Acidic‐Media CO2 Electrolyzers

Advanced Materials, EarlyView.
Acidic‐media CO2 electroreduction (CO2R) could decarbonize chemical production, despite relying on rare‐earth elements for anodic oxygen evolution reaction (OER). Transferring the learnings from mature sister technologies (water electrolysis) could accelerate technological development.
Mingcheng Huang, Adnan Ozden
wiley   +1 more source

Additive Manufacturing of Ni‐Based Thermoelectric Materials for Waste Heat Recovery

Advanced Materials Technologies, EarlyView.
Thermoelectric generators convert waste heat into electricity but are constrained by conventional fabrication. Here, laser powder bed fusion enables direct printing of customised n‐type Cu60Ni40 and p‐type Ni90Cr10 legs. The assembled module achieves 0.8% efficiency at ΔT = 419 K, demonstrating scalable additive manufacturing of eco‐friendly, design ...
Karolin Amstein, Aayush Dobhal, Heiko Reith, Ran He, Julia Kristin Hufenbach, Kornelius Nielsch, Pingjun Ying   +6 more
wiley   +1 more source

Terraced landscapes: risk and liability

Journal of Agricultural Engineering
Terraced landscapes are preserved elements of the human-influenced environment, maintained by ongoing agricultural activities. Farmers are subject to the periodic collapse of terraces, which are repaired by means of traditional techniques. Unless it can
Gabriele Delogu, Lorenzo Boccia, Giuseppina Mari   +2 more
doaj   +1 more source