Results 21 to 30 of about 2,163,870 (311)

Behavior of hybrid reinforced concrete columns

open access: yesIOP Conference Series: Materials Science and Engineering, 2020
Abstract This paper involves an experimental investigation to study the behavior of short rectangular columns cast with hybrid concrete, to compare the strength, stiffness and toughness provided by the hybrid structural system and the results collected may be used as basic data for future development of design models for this combination
Marawan M Hamid   +2 more
openaire   +1 more source

Load-defl ection behaviour of hybrid concrete flat slab

open access: yesPrzegląd Naukowy Inżynieria i Kształtowanie Środowiska, 2019
Due to the important role of high strength concrete in the structural systems, present work focuses on the use of this material as a strengthening technique incorporating with the normal strength concrete in flat slab system.
Ragheed F. Makki   +2 more
doaj   +1 more source

A Method for the Design of Concrete with Combined Steel and Basalt Fiber

open access: yesApplied Sciences, 2021
Combining different fiber types may improve the mechanical properties of fiber reinforced concrete. The present study is focused on investigating hybrid fiber reinforced concrete (HFRC) with steel and basalt fiber.
Leonid Dvorkin   +3 more
doaj   +1 more source

Flexural Behavior of Hybrid-Reinforced Concrete Exterior Beam-Column Joints under Static and Cyclic Loads

open access: yesFibers, 2019
This study presents an experimental investigation of the flexure behavior of exterior beam-column joints made from hybrid concrete (normal concrete (NC) and reactive powder concrete (RPC)) or hybrid reinforcement (steel and carbon fiber reinforced ...
Ammar Yaser Ali   +1 more
doaj   +1 more source

The effect of polypropylene fibres within concrete with regard to fire performance in structures [PDF]

open access: yes, 2008
Purpose – The purpose of this paper is to examine the effect of various polypropylene fibre additions (types and volume) to concrete with regard to explosive spalling when subject to high temperatures similar to those experienced in building or tunnel ...
Richardson, Alan, Dave, Urmil V.
core   +1 more source

Effect of whisker toughening on the dynamic properties of hybrid fiber concrete

open access: yesCase Studies in Construction Materials, 2023
In the present study, the test analyzed the effect of calcium carbonate whisker powder on the properties of hybrid fiber concrete incorporated with basalt and mesh polypropylene fibers.
Haolong Guo   +4 more
doaj   +1 more source

Study on Mechanical Properties and Optimum Fiber Content for Basalt/Polyacrylonitrile Hybrid Fiber Reinforced Concrete

open access: yesAdvances in Materials Science and Engineering, 2022
In order to obtain the design method of hybrid fiber reinforced concrete with better mechanical properties, the hybrid effect of fiber and the optimal fiber dosage are studied.
Zhenhai Zeng   +3 more
doaj   +1 more source

Effect of nanomaterials (carbon nanotubes, nano-silica, graphene oxide) on bond behavior between concrete and reinforcing bars

open access: yesCase Studies in Construction Materials, 2023
The purposes of this study are (i) to evaluate the mechanical properties of triple hybrid-reinforced concrete mixed with carbon nanotubes, nano-silica, and graphene oxide and (ii) to determine the effect of these properties on the bond strength. First of
Dongsun Hwangbo   +7 more
doaj   +1 more source

Fracture behavior of slag & fly ash-based geopolymer concrete in comparison with opc-based conventional concrete, including the effect of steel and hybrid fibers

open access: yesRevista Ingeniería de Construcción, 2023
The study presents an experimental investigation of the fracture behavior of hardened slag and fly ash-based alkali-activated normal and high-strength geopolymer concrete compared with conventional Ordinary Portland Cement (O.P.C.) based concrete with ...
Pranay Singh   +5 more
doaj   +1 more source

Concrete hybrid manufacturing: A machine architecture

open access: yesProcedia CIRP, 2021
Abstract Concrete hybrid manufacturing is an emerging technology for the construction industry sector. Herein, an innovative construction machine based on a cable robot, which is able to carry additive and material removal modules is presented and the challenges for its assembly are given.
Muñiz, Manuel   +15 more
openaire   +2 more sources

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