Results 41 to 50 of about 7,576 (213)

Comparative research: Early-age deformation of alkali-activated/cement-based ultra-high performance concrete

Case Studies in Construction Materials
Alkali activated slag ultra-high performance concrete (AAS-UHPC) is a promising low-carbon cementitious material that can effectively utilize industrial solid waste and reduce pollutant emissions during the production of cementitious materials compared ...
Weijie You, Guangjia Wang, Bo Liu, Yue Huang, Xiaoyang Liu, Chongmin Song, Dongming Wang, Chenggong Wang, Weikang Gong, Ding Zhou, Guotao Yang   +10 more
doaj   +1 more source

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

Structural Concrete, EarlyView.
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

Durability and Smart Condition Assessment of Ultra-High Performance Concrete in Cold Climates [PDF]

, 2016
The goals of this study were to develop ecological ultra-high performance concrete (UHPC) with local materials and supplementary cementitious materials and to evaluate the long-term performance of UHPC in cold climates using effective mechanical test ...
Allena, Srinivas, Qiao, Pizhong, Zhou, Zhidong   +2 more
core  

TRIAXIAL COMPRESSIVE STRENGTH OF ULTRA HIGH PERFORMANCE CONCRETE [PDF]

, 2017
The aim of this work is to describe the strength of Ultra High Performance Concrete (UHPC) under triaxial compression. The main goal is to find a trend in the triaxial compressive strength development under various values of confinement pressure.
Beckmann , Birgit, Sovják , Radoslav, Vogel , Filip   +2 more
core   +1 more source

Interface Shear Resistance of Ultra-High Performance Concrete (UHPC)

First International Interactive Symposium on UHPC, 2019
In recent years, the use of Ultra-High Performance Concrete (UHPC) in bridge construction has been growing significantly. UHPC is considered an ideal material for bridge connections due to its excellent early-age mechanical properties, exceptional durability, and high workability.
Mostafa Abo El-Khier, George Morcous, Jiong Hu   +2 more
openaire   +1 more source

Concrete in architecture: Redefining form, space, function, and insights from bibliometric analysis

Structural Concrete, EarlyView.
Abstract Concrete has become a cornerstone in architectural and engineering innovation, as it seamlessly integrates structural performance with artistic expression. Its evolution from ancient opus caementicium to contemporary ultra‐high‐performance concrete illustrates its adaptability to the change in technological, environmental, and design paradigms.
Mouhcine Benaicha, Khalid El Harrouni, Samir Kabouss   +2 more
wiley   +1 more source

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

Structural Concrete, EarlyView.
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

Monitoring the reduction in shrinkage cracking of mortars containing superabsorbent polymers [PDF]

, 2017
Ultra-high performance concrete (UHPC) is characterized by a low water-to-cement ratio, leading to improved durability and mechanical properties. However, the risk for autogenous shrinkage and cracking due to restrained shrinkage increases, which may ...
Aggelis, Dimitrios G., De Belie, Nele, De Boe, Emanuel, Lefever, Gerlinde, Snoeck, Didier, Van Hemelrijck, Danny   +5 more
core  

Computational intelligence model for predicting the compressive strength of FRP‐confined concrete column

Structural Concrete, EarlyView.
Abstract Fiber reinforced polymer (FRP) wrapping technology is commonly used to enhance the compressive strength (CS) of reinforced concrete (RC) members. Accurate prediction of the compressive strength of FRP‐confined concrete columns is crucial for optimizing structural design and helps reduce the time and costs associated with physical testing ...
XuanRui Yu, Nima Khodadadi, Anxiang Song, Tianyu Hu, Yang Yu, Antonio Nanni   +5 more
wiley   +1 more source

Exploring the synthesis effects of glazed hollow beads and polypropylene fibers on the strength retention of ultra-high performance concrete after fire exposure using X-Ray computed tomography

Case Studies in Construction Materials
Ultra-high performance concrete (UHPC) is a cementitious composite characterized by its ultra-high durability attributes and mechanical properties. It is primarily used in large-span and ultra-high-rise structures for control of deflections. However, its
Zhuoyang Jin, Hongxiang Tian, Bo Liang, Minghou Li, Sizhe Du, Gang Ma, Yu Zhang, Xinyu Zhao   +7 more
doaj   +1 more source