Results 21 to 30 of about 244,804 (334)
Vacuum mixing technology to improve the mechanical properties of ultra-high performance concrete [PDF]
Ultra-high performance concrete is an important evolution in concrete technology, enabled by the combination of a good particle packing density, a suitable mixing procedure and compatible binders and admixtures.
De Schutter, Geert, Dils, Jeroen
core +2 more sources
In the present study, the performance of Reinforced Concrete (RC) beams which were strengthened with Ultra High Performance Fiber Reinforced Concrete (UHPFRC) and dowels at the interface was investigated. RC beams with a length of 2.2 m strengthened with
Spyridon A. Paschalis +1 more
doaj +1 more source
High-Power Fiber Laser Cutting for 50-mm-Thick Cement-Based Materials [PDF]
This experimental research highlights the applicability of laser cutting to cement-based materials using multimode fiber lasers. A 9 kW multimode fiber laser is used, and the experimental variables are the water-to-cement ratio, laser speed, and material
Lee, Dongkyoung +2 more
core +1 more source
Experimental results of spalling and residual mechanical properties of ultra-high performance concrete after exposure to high temperatures are presented in this paper.
Ming-Xiang Xiong, J. Y. Richard Liew
doaj +1 more source
Towards Efficient Use of Cement in Ultra High Performance Concrete
This paper presents an investigation on substituting the cement content with an inert material, in a typical locally produced UHPC mix. A structured literature review was performed to enrichen the discussion and to benchmark the results towards already ...
Lande Ingrid, Thorstensen Rein Terje
doaj +1 more source
The effect of superplasticizer (SP) on the performance of ultra-high-performance concrete (UHPC) and ultra-high-performance fiber-reinforced concrete (UHPFRC) has been systematically investigated aiming to optimize the use of SP.
Lili Wang, Yitong Ma, Liangwei Li
doaj +1 more source
Ultra-High-Performance Concrete (UHPC): A State-of-the-Art Review
The interest of researchers in UHPC has increased over the past decade. It is crucial to understand the structural behavior of reinforced UHPC (R/UHPC) components under various loading conditions before they can be used as a replacement for conventional ...
R. Ullah +4 more
semanticscholar +1 more source
Self-sensing ultra-high performance concrete: a review
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 +4 more
openaire +2 more sources
The seismic performance of ultra-high-performance concrete–high-strength steel pier was studied using fiber elements, which are capable to model accurately elastic–plastic behavior of members with fibers of different material constitutive relations.
Zhen Wang +3 more
doaj +1 more source
Use of high-cost raw materials such as quartz sand can limit wider application of ultra-high performance concrete in concrete construction. In this experimental study, recycled sand was used to fabricate ultra-high performance concrete (UHPC) and ultra ...
Donguk Choi +4 more
doaj +1 more source

