Results 81 to 90 of about 43,293 (223)

WHAT DOES IT TAKE TO ‘ACCEPT’ URBAN SHRINKAGE? A Comparative Analysis of Discursive Pathways to Policy and Action on Shrinking Cities in the Netherlands and Finland

open access: yesInternational Journal of Urban and Regional Research, Volume 50, Issue 3, Page 731-752, May 2026.
Abstract Shrinking cities are increasingly drawing global attention, but urban shrinkage is seldom considered as an enduring structural condition necessitating a move beyond growth‐centric strategies. The focus often remains on mitigating symptoms rather than embracing the broader implications of long‐term decline. Understanding of what drives decision‐
Marjan Marjanović, Johanna Lilius
wiley   +1 more source

Articulating Sovereignties: Struggles for Subaltern Hegemony in Ecuador and Bolivia

open access: yesAntipode, Volume 58, Issue 3, May 2026.
ABSTRACT This article examines the cycles of articulation and disarticulation between working‐class and indigenous‐campesino movements in Ecuador and Bolivia. While the former advances national‐popular sovereignty, aiming to strengthen the state against imperialism, the latter defends community‐territorial sovereignty against internal colonialism ...
Diego Andreucci   +3 more
wiley   +1 more source

Unimodular Einstein--Cartan gravity: Dynamics and conservation laws

open access: yes, 2018
Unimodular gravity is an interesting approach to address the cosmological constant problem, since the vacuum energy density of quantum fields does not gravitate in this framework, and the cosmological constant appears as an integration constant.
Bonder, Yuri, Corral, Cristobal
core   +1 more source

Crisis beyond the exceptional: The latent, everyday nature of the crisis perpetual

open access: yesSingapore Journal of Tropical Geography, Volume 47, Issue 2, Page 219-229, May 2026.
We are surrounded by declarations of crises, from climate to housing, debt and beyond. Crisis is everywhere and yet it remains exceptional. A crisis is imagined as a call to action, a repudiation of the old system, promising change if only the moment can be seized.
Kathryn Furlong
wiley   +1 more source

Effective Theory Approach to the Spontaneous Breakdown of Lorentz Invariance [PDF]

open access: yes, 2010
We generalize the coset construction of Callan, Coleman, Wess and Zumino to theories in which the Lorentz group is spontaneously broken down to one of its subgroups.
A Golovnev   +61 more
core   +3 more sources

Phase‐Field Fracture Simulation of Pressurized Concrete Microstructure

open access: yesInternational Journal for Numerical Methods in Engineering, Volume 127, Issue 8, 30 April 2026.
ABSTRACT Pressurized cracks in concrete have a significant impact on the safety and durability of concrete structures. The peak strength of concrete is reduced in the presence of pressurized cracks. However, conducting pressure‐coupled strength evaluation experiments requires extensive effort, and simulation tools can complement the time‐consuming and ...
Donghwi Eum   +4 more
wiley   +1 more source

Comparative Study on Prediction Models for Crack Opening Degree in Concrete Dam

open access: yesRenmin Zhujiang
In recent years, classical statistical models and machine learning models have been developed in parallel in the field of dam safety monitoring. However, there are some deficiencies in the predictive power of the former and the theoretical explanation of
HUANG Song   +6 more
doaj   +2 more sources

Dynamic Analysis of Concrete Arch Dam due to Earthquake Force [PDF]

open access: yesJournal of Rehabilitation in Civil Engineering
A gravity dam with concrete is a vast construction that keeps a large volume of water on its upstream side, and its ability to withstand seismic vibrations is critical.
Sougata Mukherjee, K. Nallasivam
doaj   +1 more source

Quantifying Durability and Failure Risk for Concrete Dam–Reservoir System by Using Digital Twin Technology

open access: yesComputation
This study presents a digital twin approach to quantifying the durability and failure risk of concrete gravity dams by integrating advanced numerical modelling with field monitoring data.
Emina Hadzalic, Adnan Ibrahimbegovic
doaj   +1 more source

Unit Root Analysis Method of Actual Crack Behavior of the Concrete Dam Based on Residuals of the Monitoring Model

open access: yesAdvances in Civil Engineering, 2020
Analysis on the actual crack behavior is of important significance to evaluate safety of the concrete dam. In this paper, mainly based on the research status on cracks of the concrete dam, the unit root analysis method of actual crack behavior of ...
Bo Xu, Zhanchao Li, Jinlei Zhao
doaj   +1 more source

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