Results 71 to 80 of about 21,974,678 (239)

Design Guide for Precast UHPC Waffle Deck Panel System, including Connections, June 2013 [PDF]

open access: yes, 2013
: As a part of an innovation project funded by the Federal Highway Administration (FHWA) Highways for LIFE program, a full-depth precast, ultra-high-performance concrete (UHPC) waffle deck panel and appropriate connections suitable for field ...

core  

Influence of Cracking on Oxygen Transport in UHPFRC Using Stainless Steel Sensors

open access: yesApplied Sciences, 2019
Reinforced concrete elements frequently suffer small cracks that are not relevant from the mechanical point of view, but they can be an entrance point for aggressive agents, such as oxygen, which could initiate the degradation processes. Fiber-Reinforced
Ana Martínez-Ibernón   +5 more
doaj   +1 more source

The construction process for pre-stressed ultra high performance concrete communication tower.

open access: yesPLoS ONE, 2020
Towers are important structures for installing radio equipment to emit electromagnetic waves that allow radio, television and/or mobile communications to function.
Voo Yen Lai, Farzad Hejazi, Sarah Saleem
doaj   +1 more source

Properties of Ultra High Performance Concrete [PDF]

open access: yes, 2010
The aim of this study is to investigate the effects of changing silica fume content, amount of crushed quartz powder as ultra fine aggregate and the sequence of mixing procedure on the main properties of Ultra High Performance Concrete (UHPC), with particular emphasis on 28 days compressive strength, density and slump.
Shihada, Samir, Arafa, Mohammed
openaire  

Eccentric Compression Behavior of Reinforced Ultra-High Performance Geopolymer Concrete and Ultra-High Performance Concrete Columns: A Comparative Study

open access: yesBuildings
Ultra-high performance geopolymer concrete (UHPGC) has emerged as a low-carbon cementitious material with high mechanical performance and thus offers potential as a substitute for Portland cement-based ultra-high-performance concrete (UHPC). Experimental
Jie Su   +3 more
doaj   +1 more source

Impact on structural Ultra High Performance Concrete (UHPC) elements in high-rise buildings

open access: yes, 2022
S.759 ...
Riedel, W.   +3 more
core  

Investigating construction and analysis of large-scale origami concrete structures with Miura pattern under flexural load

open access: yesAin Shams Engineering Journal
Engineers are often interested in creating structures with unique and innovative architecture. One of the challenges in making these structures is the difficulty in using specific materials and achieving the desired shape.
Ali Mohammadsalehi, Davood Mostofinejad
doaj   +1 more source

Research on Fracture Toughness of C120 Ultra-High-Performance Concrete in Kingkey Financial Center Project

open access: yesAdvances in Materials Science and Engineering, 2012
By adding polypropylene fiber, fracture toughness of C120 ultra-high-performance concrete in Kingkey Financial Center project has been enhanced. The tests conducted by the Building Material Lab of the Civil and Water Conservancy Institute of Tsinghua ...
Hao-Wen Ye   +6 more
doaj   +1 more source

Developing Sustainable Ultra-High-Performance Concrete

open access: yes, 2022
[EN] Ultra-high-performance concrete (UHPC) is characterized by high durability and enhanced mechanical properties. However, proprietary UHPC is not an eco-friendly material due to its high cement content.
Alsalman, Ali   +4 more
core   +1 more source

Ultra-high performance concrete: From fundamental to applications

open access: yesCase Studies in Construction Materials, 2018
Over the last twenty years, remarkable advances have taken place in the research and application of ultra-high performance concrete (UHPC), which exhibits excellent rheological behaviors that include workability, self-placing and self-densifying ...
N.M. Azmee, N. Shafiq
doaj   +1 more source

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