Results 31 to 40 of about 244,725 (256)

Concrete spall damage of UHPC slabs under contact detonation - An experimental investigation [PDF]

, 2015
Concrete spallation is a typical brittle damage mode under close-in or contact explosions. Upon concrete spallation, a large number of fragments displace from the concrete surface with high speed and these fragments endanger the personnel and equipment ...
Hao, Hong, Li, Jun, Wu, Chengqing
core   +1 more source

Self-sensing ultra-high performance concrete: a review

Measurement Science and Technology, 2023
Abstract Ultra-high performance concrete (UHPC) is an innovative cementitious composite, that has been widely applied in numerous structural projects because of its superior mechanical properties and durability. However, ensuring the safety of UHPC structures necessitates an urgent need for technology to continuously monitor and ...
Yixuan Guo, Dongyu Wang, Ashraf Ashour, Siqi Ding, Baoguo Han   +4 more
openaire   +2 more sources

Mechanical and fracture properties of a self-compacting version of CARDIFRC Mix II [PDF]

, 2017
CARDIFRC is the trade name of two main groups of ultra-high performance fibre-reinforced concrete mixes – Mixes I and II – differing primarily in the maximum size of quartz sand used (0.6 mm in Mix I, and 2 mm in Mix II). In this paper, the conversion of
Al-Azzawi, Bakr S., Karihaloo, Bhushan L.   +1 more
core   +2 more sources

The Role of Supplementary Cementitious Materials (SCMs) in Ultra High Performance Concrete (UHPC): A Review

Materials, 2021
Although ultra high-performance concrete (UHPC) has great performance in strength and durability, it has a disadvantage in the environmental aspect; it contains a large amount of cement that is responsible for a high amount of CO2 emissions from UHPC ...
Sungwoo Park, Siyu Wu, Zhichao Liu, S. Pyo   +3 more
semanticscholar   +1 more source

Ultra-high-performance concrete: Impacts of steel fibre shape and content on flowability, compressive strength and modulus of rupture

Case Studies in Construction Materials, 2022
The impact of three-shaped steel fibres (straight, hooked end, and corrugated) with varying steel fibre (SF) contents (0.75 %, 1.5 %, and 2.5 % by volume fraction) on the fresh and mechanical characteristics of ultra-high-performance concrete was ...
Bassam A. Tayeh, Mahmoud H. Akeed, Shaker Qaidi, B.H. Abu Bakar   +3 more
doaj   +1 more source

Machine-Learning-Based Comprehensive Properties Prediction and Mixture Design Optimization of Ultra-High-Performance Concrete

Sustainability, 2023
Ultra-high-performance concrete (UHPC) is widely used in the field of large-span and ultra-high-rise buildings due to its advantages such as ultra-high strength and durability.
Chang Sun, Kai Wang, Qiong Liu, Pujin Wang, Feng Pan   +4 more
semanticscholar   +1 more source

Corrosion-fatigue synergy in steel bridges: Mechanisms and mechanical degradation

Results in Engineering
This study pioneers the investigation of asynchronous corrosion-fatigue coupling effects on structural steel degradation, addressing a critical gap in understanding synergistic damage mechanisms under combined environmental and mechanical stresses ...
Lizhen Huang, Li Wan, Zifan Zuo, Zhiqin Cai, Xianwei Wang, Hui Liu, Jingwen Liu   +6 more
doaj   +1 more source

A Review on Sugarcane Bagasse Ash which Enhance Properties of Ultra-High Performance Concrete and Usable for EFUHPC [PDF]

E3S Web of Conferences
In this study we discus about sugarcane bagasse ash which improving mechanical properties of concrete, High Performance Concrete (HPC) and suitable for making Ecofriendly Ultra-High Performance Concrete (EFUHPC). Many ecofriendly materials like Sugarcane
Sharma Devendra Kumar, Ahamad Imran
doaj   +1 more source

Sustainable construction through eco-efficient ultra-high performance concrete [PDF]

, 2016
An innovative type of steel-fibre reinforced ultra-high performance concrete (UHPC), including its constituent materials and its mixing procedure, is reviewed in this paper.
Camões, Aires, Ferdosian, I.
core   +1 more source

Improved forecasting of the compressive strength of ultra‐high‐performance concrete (UHPC) via the CatBoost model optimized with different algorithms

Structural Concrete
This paper focuses on the applicability of CatBoost models constructed using various optimization techniques for improved forecasting the compressive strength of ultra‐high‐performance concrete (UHPC).
M. Katlav, Faruk Ergen
semanticscholar   +1 more source