Results 101 to 110 of about 10,976 (216)

Shrinkage Cracking Propensity of UHPC

open access: yesSecond International Interactive Symposium on UHPC, 2019
It is widely accepted that ultra-high performance concrete (UHPC) provides better mechanical and durability properties than high performance or conventional concrete. The high cementitious materials and fiber contents are key to its change in properties, making this type of material suitable for a wide range of structural applications. However, because
Igor De La Varga   +3 more
openaire   +1 more source

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

open access: yes, 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

Cracking Behavior of UHPC Slabs

open access: yesEngineering and Technology Journal, 2015
The combination of fibers with traditional reinforcement may be a very interesting design solution to achieve more durable and economical structures. In this study, a total of seven slabs; six ultra high performance concrete (UHPC) slabs and one normal strength concrete slab were tested previously by the Author to observe the crack spacing and number ...
openaire   +2 more sources

Effects of Steel and Polypropylene Fiber Addition on Interface Bond Strength between Normal Concrete Substrate andSelf-Compacting Concrete Topping [PDF]

open access: yes, 2012
Based on facts that the composite action in semi-precast and strengthened structural system depends on the bond strength of the interface between concrete faces of different ages, this preliminary research is aimed to investigate effects of mixed ...
Imam , Satyarno   +2 more
core  

Modular constructions made of UHPC [PDF]

open access: yes, 2013
CNC-machine. The dry joints of the arch construction remain under compression in SLS. The assembling of the arch lasted only two weeks by applying swivel-in method of arch construction. For the design of the arch the development of new calculation models and a lot of experimental tests including also full scale tests was required.
openaire   +1 more source

Self-desiccation and self-desiccation shrinkage of silica fume-cement pastes [PDF]

open access: yes, 2017
Self-desiccation is one common phenomenon of high-performance cementitious materials, which are characterized by low water/binder (w/b) ratio and high mineral admixture incorporation. As a consequence, large magnitude of self-desiccation shrinkage, a key
De Schutter, Geert, Liu, Yang, Ye, Guang
core   +1 more source

Experimental research on mechanically and thermally activation of nano-kaolin to improve the properties of ultra-high-performance fiber-reinforced concrete

open access: yesNanotechnology Reviews
The rising demand for ultra-high-performance concrete (UHPC) necessitates innovations in sustainable materials. This study explores the substitution of ordinary Portland cement (OPC) with thermally and mechanically activated nano-kaolin in varying ...
Althoey Fadi   +5 more
doaj   +1 more source

Numerical Simulation of the Load Transfer Mechanism at UHPC–UHPC Interface

open access: yesThird International Interactive Symposium on Ultra-High Performance Concrete, 2023
Ali Semendary, Dagmar Svecova
openaire   +1 more source

Behavior Evaluation of Ultrahigh-Performance Concrete Beam Containing Para-Aramid Fibers

open access: yesAdvances in Civil Engineering, 2019
This experimental research was performed to evaluate the shear and flexural behavior for two cases of reinforced concrete beams: ultrahigh-performance concrete (UHPC) and normal-strength concrete jacketed with UHPC.
Seung-Ki Kim, Woosuk Kim, Sang-Mook Han
doaj   +1 more source

Synergistic effect of nano-silica, steel slag, and waste glass on the microstructure, electrical resistivity, and strength of ultra-high-performance concrete

open access: yesOpen Engineering
This study examined the microstructure characteristics, electrical resistivity (ER), and mechanical properties of ultra-high-performance concrete (UHPC) made with nano-silica (NS), electric arc furnace slag (EAFS), and waste glass powder (WGP).
Mohammed Abbas J.   +2 more
doaj   +1 more source

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