Results 81 to 90 of about 11,154 (266)

Climatic drivers prevail in montane and lowland Odonata latitudinal diversity gradients, but human modification erodes lowland patterns

open access: yesEcography, EarlyView.
Latitudinal diversity gradients (LDGs) arise from the interplay of historical, ecological, and evolutionary processes, yet these drivers may differ across landforms. Mountains, with steep elevational and climatic gradients, often sustain distinct diversity dynamics compared with adjacent lowlands, where vertical climatic gradients are weak and human ...
Zhenyuan Liu   +5 more
wiley   +1 more source

Evaluating Seismic Resistance and Energy Dissipation of CFRP‐Reinforced Concrete Frames Under Monotonic Loading

open access: yesEarthquake Engineering and Resilience, EarlyView.
“It was found that good ductility can be achieved in CFRP‐strengthened frames, and this result was validated through experimental testing.” ABSTRACT Reinforced concrete structures are increasingly vulnerable to deterioration by steel reinforcement corrosion, resulting in severe loss of fracture strength and service life, particularly in severe ...
Moab Maidi   +2 more
wiley   +1 more source

Seismic response and collapse capacity assessment of dual RC buildings with vertical irregularities in shear walls

open access: yesScientific Reports
Buildings and other human-made structures can exhibit various irregularities due to environmental factors or architectural considerations. These irregularities can alter the structural response to applied forces, leading to the concentration of seismic ...
Mehran Aslani, Payam Tehrani
doaj   +1 more source

Seismic performance enhancement of three-dimensional frame structures via inerter-based control systems

open access: yesFrontiers in Built Environment
Improving the seismic response of new and existing structures is a fundamental topic in civil engineering. Often, in structural mechanics this issue is addressed through low-dimensional mechanical models capable of capturing the primary dynamics of the ...
Angelo Di Egidio, Alessandro Contento
doaj   +1 more source

The EU's Strategy for Sustainability: A Landmark Turn With the European Green Deal?

open access: yesEuropean Policy Analysis, EarlyView.
ABSTRACT While the European Green Deal (EGD) has been widely recognized as a milestone in the EU's sustainability strategy, scholars disagree on the nature of the policy change it represents. Critics highlight its limited social and environmental ambitions, despite its portrayal as a “man on the moon” moment.
Ekaterina Domorenok, Franco Gatti
wiley   +1 more source

The 2025 Kamchatka Earthquake and Tsunami: Cascading Impacts and Risks to Japan

open access: yesEarthquake Engineering &Structural Dynamics, EarlyView.
ABSTRACT On July 29th, 2025, a large earthquake (Mw 8.8) occurred near the Kamchatka Peninsula. This event caused a tsunami that reached Japan's Pacific coast, even though the source was far away. In this study, we analyze the characteristics of earthquakes and tsunamis and discuss how they relate to the recurrence possibility and risk in Japan.
Ampan Laosunthara   +6 more
wiley   +1 more source

Investigation of the effect of far-field ground motion records on the seismic response of mid-rise hybrid concrete-steel buildings [PDF]

open access: yesمهندسی عمران شریف
Hybrid concrete-steel buildings in height are usually referred to as buildings that have two lower and upper parts of concrete and steel materials, respectively. Due to the change in mass, stiffness, and damping in the vertical direction, these buildings
A. Kiani   +3 more
doaj   +1 more source

Seismic Behavior of Suction Caisson Foundations

open access: yes, 2019
Increasing population growth requires more sustainable development of energy. This non-contaminated energy has an inexhaustible energy source. One of the vital parameters in such structures is the choice of foundation type. Suction caissons are now used extensively worldwide for offshore wind turbine.
Mohsen Saleh Asheghabadi   +1 more
openaire   +2 more sources

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