Results 121 to 130 of about 33,409 (257)

Strip loading in reinforced concrete: Mechanical modeling and experimental validation

Structural Concrete, EarlyView.
Abstract Strip loading of reinforced concrete is a common problem in engineering practice. The concrete compressive strength at the load introduction can be several times higher than the uniaxial concrete compressive strength, which can be attributed to geometrical and passive confining stresses caused by load dispersion and reinforcement, respectively.
Fabian Morger, Albin Kenel, Walter Kaufmann   +2 more
wiley   +1 more source

Structural characteristics and dynamic mechanical properties of granite residual soil based on dynamic triaxial tests

Yantu gongcheng xuebao
The granite residual soil is a typical soil widely distributed in the coastal areas of South China and other rainy regions. Due to its unique geological formation, it exhibits both high strength and large porosity, making it widely used in underground ...
HE Bin 1 , ZHOU Xiaowen 2, 3, LI Zejian 2
doaj   +1 more source

Experimental and theoretical investigation of longitudinal tunnel lining joints with confining reinforcement

Structural Concrete, EarlyView.
Abstract Precast reinforced concrete segmental linings are frequently used in modern tunneling. In these linings, the longitudinal joints typically have a reduced contact cross‐section and thus often govern the design, particularly in tunnels under high hydrostatic pressure or crossing squeezing or swelling ground with correspondingly high ...
Fabian Morger, Albin Kenel, Walter Kaufmann   +2 more
wiley   +1 more source

Using programmable infusion pump in avian species – a validation methodology in geese

Wildlife Biology, EarlyView.
Wildlife face anthropogenic and natural stressors that affect their physiology and behaviour. The activity of the hypothalamic–pituitary–adrenal axis and glucocorticoid (GC) production is intrinsically linked with energy regulation and environmental stressors.
Myriam Trottier‐Paquet, Maude Gauthier‐Bouchard, Akiko Kato, Charline Parenteau, Frédéric Angelier, Pierre Legagneux   +5 more
wiley   +1 more source

Relationships of Cognitive Function With Subsequent Device‐Measured Physical Activity and Sedentary Time in Healthy Individuals and Those With Bipolar Disorder: Findings From the UK Biobank

Acta Psychiatrica Scandinavica, EarlyView.
ABSTRACT Background In bipolar disorder (BD), physical inactivity and sedentary behaviour are prevalent and have been linked to BD's cognitive symptoms, although the directionality of these links is not clear. This proof‐of‐concept study examined whether cognitive function during mid‐ and later‐life was prospectively related to physical activity and ...
Elysha Ringin, David W. Dunstan, Denny Meyer, Roger S. McIntyre, Neville Owen, Michael Berk, Susan L. Rossell, Mats Hallgren, Tamsyn E. Van Rheenen   +8 more
wiley   +1 more source

The Ecology of Human Sleep (EcoSleep) Cohort Study: Protocol for a longitudinal repeated measurement burst design study to assess the relationship between sleep determinants and outcomes under real‐world conditions across time of year

Journal of Sleep Research, Volume 34, Issue 2, April 2025.
Summary The interplay of daily life factors, including mood, physical activity, or light exposure, influences sleep architecture and quality. Laboratory‐based studies often isolate these determinants to establish causality, thereby sacrificing ecological validity.
Anna M. Biller, Nayab Fatima, Chrysanth Hamberger, Laura Hainke, Verena Plankl, Amna Nadeem, Achim Kramer, Martin Hecht, Manuel Spitschan   +8 more
wiley   +1 more source

The Cognitive Costs of Sleep Deprivation in Ultra‐Endurance Cycling: Insights From the Race Across France

Journal of Sleep Research, EarlyView.
ABSTRACT For athletes in endurance sports, who compete over several days and in unpredictable conditions, managing sleep–wake rhythms is critical to ensure optimal performance and minimise the risks to safety. Despite its growing popularity, the role of sleep management on ultracycling performance has received little attention.
Rémy Hurdiel, Courtney Kurinec, Thierry Pezé, Charlotte Bonduelle, Valentin Bourlois   +4 more
wiley   +1 more source

Experimental evaluation on dynamic strength characteristics of saline clay subjected to freeze-thaw

Applied Ocean Research
The most noteworthy of the artificial ground freezing (AGF) technology application in subsea tunnels is the freeze-thaw (FT) effect. Changes in soil structure caused by the FT may lead to a decrease in strength, uneven settlement may occur during the ...
Zhang Yaqin, Yang Ping, Zhang Ting, Han Linliang   +3 more
doaj   +1 more source

The Effect of Graphene on the Fatigue Response and Failure Mechanism of Composite Materials: A Review

Fatigue &Fracture of Engineering Materials &Structures, Volume 49, Issue 3, Page 933-962, March 2026.
ABSTRACT This review investigates the influence of graphene on the fatigue performance of polymer‐based composites, focusing on both unreinforced matrices and fiber‐reinforced composite laminates. Graphene materials, including nanoplatelets, graphene oxide, and hybrid nanostructures, offer exceptional mechanical, electrical, and barrier properties that
João M. Parente, João Nunes‐Pereira, Abílio P. Silva, Paulo N. B. Reis   +3 more
wiley   +1 more source

Study on dynamic compression characteristics of coal containing gas under different strain rates

Scientific Reports
To investigate the dynamic compression properties and crushing features of gas-containing coal under complex geological environments, a dynamic and static combined loading test system was independently developed for conducting triaxial dynamic ...
Xin Gao, Sheng Xue, Tu Qingyi
doaj   +1 more source