Results 41 to 50 of about 1,680 (182)

Modeling the response of UHPC shear‐critical beams: Integrating nonlinear finite element analysis and artificial neural network

Structural Concrete, Volume 27, Issue 2, Page 1364-1382, April 2026.
Abstract An analytical framework suited for the analysis of shear‐critical ultra‐high performance concrete (UHPC) members is presented. The numerical methodology utilizes a nonlinear finite element analysis formulation integrated with an artificial neural network (ANN) that characterizes the UHPC tension response based on its mix design. In addition, a
Amjad Diab, Anca Ferche
wiley   +1 more source

Numerical analysis of the effects of corrosion on the punching shear capacity of reinforced concrete flat slabs with openings

Structural Concrete, Volume 27, Issue 2, Page 1663-1683, April 2026.
Abstract The reinforcement corrosion is one of the main degradation mechanisms in reinforced concrete structures. Its effects can harm structural elements by reducing mechanical capacity, mainly due to diminished reinforcement properties and expansive reactions within the concrete.
Vinícius D'Almeida Rodrigues Ramos, Leandro Mouta Trautwein, António Pinho Ramos, Elyson Andrew Pozo Liberati   +3 more
wiley   +1 more source

High temperature and freeze-thaw study of strengthened concrete with ultra-high-performance concrete

Case Studies in Construction Materials
This study investigates the effectiveness of using ultra-high-performance concrete (UHPC) to strengthen concrete members subjected to high temperature and freeze-thaw conditions.
Ming-Gin Lee, Wei-Chien Wang, Yung-Chih Wang, Yu-Cheng Kan, Shu-Lan Lin, Li-Chi Cheng   +5 more
doaj   +1 more source

Do PCEs Adsorb Preferentially on OPC or Calcined Clay?

Journal of the American Ceramic Society, Volume 109, Issue 4, April 2026.
ABSTRACT In multi‐component binders, admixtures such as polycarboxylates (PCEs) may exhibit preferential adsorption onto one component. Hence, for the first time PCE adsorption on ordinary Portland cement (OPC) and calcined clay (CC) in an OPC/CC blend was quantified by separating the OPC and CC particles from the hydrated cement employing a ...
Jiaxin Chen, Johann Plank
wiley   +1 more source

Development and Preliminary Application of PermanentForm of Ultra-high Performance Concrete

Renmin Zhujiang, 2020
Because ultra-high performance concrete (UHPC) has ultra-high strength and ultra-highdurability, it is a possible way for covering the outer surface of the reinforced concretestructure with UHPC permanent form to effectively improve the service life of ...
WANG Yongjian, LIU Fucai, YANG Yibo, XIE Xiangming, YAO Chukang, XIAO Min, GUO Wenying, WANG Hengchang   +7 more
doaj  

Reinforced concrete beams retrofitted with UHPC or CFRP

Case Studies in Construction Materials, 2022
This study explores the reinforced concrete beams retrofitted with ultra-high-performance concrete (UHPC) or carbon fiber-reinforced polymer (CFRP).
Yishuo Huang, Ming-Gin Lee, Yu-Cheng Kan, Wei-Chien Wang, Yung-Chih Wang, Wei-Bang Pan   +5 more
doaj   +1 more source

Distributed AutoML framework for multi‐objective optimization of concrete crack segmentation models

Structural Concrete, Volume 27, Issue 1, Page 998-1019, February 2026.
Abstract Monitoring cracks in concrete surfaces is essential for structural safety. While machine vision techniques have received significant interest in this domain, selecting optimal models and tuning hyperparameters remain challenging. This paper proposes a Distributed Automated Machine Learning (AutoML) framework for efficiently designing and ...
Armin Dadras Eslamlou, Shiping Huang, Belén Riveiro, M. Z. Naser   +3 more
wiley   +1 more source

MultiBlock‐SwinUNet: A Noise‐Robust Framework for Crack Segmentation of Multi‐Class Concrete in CT Images

IET Image Processing, Volume 20, Issue 1, January/December 2026.
Existing methods often struggle to balance accuracy and robustness against complex interference such as noise and artefacts inherent in industrial CT imaging. To overcome these limitations, we propose an innovative framework named MultiBlock‐SwinUnet. This architecture is designed to enhance feature extraction for different categories of concrete and ...
Xinlei Yan, Guolong Yu, Rui Hao
wiley   +1 more source

Experimental Study of a Novel Type Joint Used in Precast Reinforced Concrete Frame Under Reversals

Advances in Civil Engineering, Volume 2026, Issue 1, 2026.
Prefabricated components are an integral part of the prefabricated construction. One of the main challenges in seismic regions is developing constructible connections between prefabricated components that can withstand inelastic cyclic deformations. This study introduces a novel type of joint designed to connect prefabricated concrete columns and beams
Yanqiu Lu, Dan Pan, Jianglong Li, Arnab Biswas   +3 more
wiley   +1 more source

Comparative analysis of air permeability between UHPC and epoxy-coated normal concrete for hyperloop tube structures

Heliyon
This study evaluates the air permeability of epoxy-coated normal concrete and ultra-high performance concrete (UHPC) for use in Hyperloop tube structures, where maintaining ultra-low air permeability is crucial to preserving the vacuum environment. While
Dae Sang Kim, Ungjin Kim, Gebremicael Liyew, Chang-young Lee   +3 more
doaj   +1 more source