Results 21 to 30 of about 178 (96)

Refinement of Strut-and-Tie Model for Reinforced Concrete Deep Beams. [PDF]

open access: yesPLoS ONE, 2015
Deep beams are commonly used in tall buildings, offshore structures, and foundations. According to many codes and standards, strut-and-tie model (STM) is recommended as a rational approach for deep beam analyses.
Mohammad Panjehpour   +2 more
doaj   +1 more source

Alternative Strut and Tie Model for Reinforced Concrete Deep Beams

open access: yesمجلة النهرين للعلوم الهندسية, 2018
This paper presents a simple strut and tie model to calculate the shear strength of reinforced concrete deep beams. The proposed model assumes that the shear strength is the algebraic sum of three strength components: concrete diagonal strut, vertical ...
Ahmed Faleh Al-Bayati
doaj   +1 more source

Prediction of Shear Strength for Steel-Fiber High-Strength Concrete Corbels with the Softened Strut-and-Tie Model

open access: yesBuildings, 2023
On the basis of the test results of nine steel-fiber high-strength concrete corbel specimens subjected to a vertical load, the influence of the steel fiber content on the shear performance of corbels was analyzed.
Shu-Shan Li   +7 more
doaj   +1 more source

The strut-and-tie models in reinforced concrete structures analysed by a numerical technique

open access: yesRevista IBRACON de Estruturas e Materiais
The strut-and-tie models are appropriate to design and to detail certain types of structural elements in reinforced concrete and in regions of stress concentrations, called "D" regions.
V. S. Almeida   +2 more
doaj   +1 more source

Analysis of the nodal stresses in pile caps

open access: yesRevista IBRACON de Estruturas e Materiais, 2018
Pile caps can be dimensioned using, preferably, plastic models (strut-and-tie) and models based on the flexion theory. In order to analyze the behavior of the stresses in the lower and upper nodal regions of the cap, a theoretical analysis of the ...
M. A. TOMAZ   +3 more
doaj   +2 more sources

Enhancing Specific Stiffness of Nano‐Architected Materials Through Generative AI and Active Learning

open access: yesAdvanced Science, EarlyView.
A structure‐centric generative framework searches voxelated design space directly, coupling a variational autoencoder with multi‐objective optimization and active learning to progressively expand the validated design domain. The discovered nano‐architectures, realized as pyrolytic carbon by two‐photon lithography, deliver 18–23% higher stiffness and 26–
Jinwook Yeo   +4 more
wiley   +1 more source

Macro-mechanical strut and tie model for analysis of fibrous high-strength concrete corbels

open access: yesAin Shams Engineering Journal, 2012
Reinforced concrete (RC) corbels becoming a frequent attribute in the building construction with the increasing use of pre-cast high-strength concrete (HSC).
E.S. Khalifa
doaj   +1 more source

String Figuring young children's perspectives of quality in English early childhood education and care

open access: yesBritish Educational Research Journal, EarlyView.
Abstract Quality in early childhood education and care (ECEC) is a contested concept and has generally been conceptualised by inter‐related indicators such as staff qualifications, educational environment, policy or child‐to‐staff ratios. There has been a more limited emphasis on how young children might perceive and experience quality.
Nikki Fairchild, Éva Mikuska
wiley   +1 more source

Nacre‐inspired layered composite with excellent mechanical support and osteogenic potential for cervical interbody cage

open access: yesBMEMat, EarlyView.
The cervical interbody cage needs to take both biomechanical and biological requirements into account. Here, a new‐style degradable, multicomponent, and bioinspired nacre‐like cervical interbody cage composite, which exhibits promising mechanical‐support‐related behavior and osteogenesis‐related potential, is designed and prepared.
Xiu‐Wu Guo   +8 more
wiley   +1 more source

Time‐Variant Seismic Fragility of Reinforced Concrete Bridge Piers Considering Degradation Phenomena

open access: yesEarthquake Engineering &Structural Dynamics, EarlyView.
ABSTRACT Aging and environmental exposure progressively deteriorate the physical and mechanical properties of construction materials, thereby affecting the safety and functionality of existing infrastructure. Corrosion of steel rebars in reinforced concrete structures is widely acknowledged as the most common and detrimental degradation phenomenon, as ...
Paolo Andrea Miglietta   +4 more
wiley   +1 more source

Home - About - Disclaimer - Privacy