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Flexural Strength of Structural Beams Cast Using Combined Normal-Weight and Lightweight Concrete Mixtures [PDF]

Buildings
Limited investigations have evaluated the potential of using layered sections of normal-weight and lightweight concrete (NWC and LWC) mixtures in structural beams and slabs.
Ali Jahami, Lynn Dayaa, Joseph J. Assaad, Oussama Baalbaki, Jamal Khatib   +4 more
doaj   +4 more sources

Prediction of flexural fatigue life and failure probability of normal weight concrete

Materiales de Construccion, 2022
Fatigue life has to be considered in the design of many concrete structures at various stress levels and stress ratios. Many flexural fatigue test results of plain normal-weight concrete are available in the literature and almost every set of test ...
K.M.A. Sohel, M.H.S. Al-Hinai, A. Alnuaimi, M. Al-Shahri, S. El-Gamal   +4 more
doaj   +4 more sources

A Plastic-Damage Model for Lightweight Concrete and Normal Weight Concrete [PDF]

International Journal of Concrete Structures and Materials, 2008
A new plastic-damage constitutive model applicable to lightweight concrete (LWC) and normal weight concrete (NWC) is proposed in this paper based on both continuum damage mechanics and plasticity theories. Two damage variables are used to rep- resent tensile and compressive damage independently.
C. G. Koh
openaire   +3 more sources

Normal-Weight Concrete with Improved Stress–Strain Characteristics Reinforced with Dispersed Coconut Fibers [PDF]

Applied Sciences, 2022
According to the sustainable development concept, it is necessary to solve the issue of replacing fiber from synthetic materials with natural, environmentally friendly, and cheap-to-manufacture renewable resources and agricultural waste.
Evgenii M. Shcherban’, Sergey A. Stel’makh, Alexey N. Beskopylny, Levon R. Mailyan, Besarion Meskhi, Alexandr A. Shilov, Andrei Chernil’nik, Yasin Onuralp Özkılıç, Ceyhun Aksoylu   +8 more
doaj   +2 more sources

Bond of Reinforcement with Normal-weight Fiber Reinforced Concrete

Periodica Polytechnica Civil Engineering, 2016
In reinforced concrete members, upon loading, tensile stresses from reinforcement to concrete transfer via bond. Proper bond between the two material guarantees safety of such members. This paper presents test results performed on Pull-out specimens for evaluation and comparison of bond strength behavior of Normal-weight Fiber Reinforced Concrete (NWFC)
Ahsan Ali, Shahid Iqbal, Klaus Holschemacher, Thomas A. Bier   +3 more
openaire   +3 more sources

Evaluating Shear Strength of Light-Weight and Normal-Weight Concretes through Artificial Intelligence [PDF]

Sustainability, 2022
The strength of concrete elements under shear is a complex phenomenon, which is induced by several effective variables and governing mechanisms. Thus, each parameter’s importance depends on the values of the effective parameters and the governing mechanism. In addition, the new concrete types, including lightweight concrete and fibered concrete, add to
Ahmed M. Ebid, Ahmed Farouk Deifalla, Hisham A. Mahdi   +2 more
openaire   +2 more sources

Behavior of hybrid Reinforced Concrete Beams made with two types of concrete (Normal Weight and Reactive Powder Concrete)

IOP Conference Series: Materials Science and Engineering, 2020
Abstract This research confirms the use of finite element modeling using volume 16 ANSYS package to represent the non pre stressed concrete beams reinforced with steel bars, reactive powder concrete beams and hybrid reinforced concrete beams.
Khudhayer Najim Abdullh Kammash, Ayad Hameed Mseer, Osama Abd Alameer Eedan   +2 more
openaire   +2 more sources

Mechanical performance of structural lightweight concrete with metallurgical coal aggregates [PDF]

Scientific Reports
Many studies have investigated industrial by-products as alternatives to natural aggregates; however, little attention has been given to metallurgical coal (MC).
Toka Waleed, Mohammed Rady, Ibrahim Mohsen Mashhour, Mohammed El-Attar   +3 more
doaj   +2 more sources

Method of calculating the optimal sand content in normal-weight concrete

Инженерно-строительный журнал, 2018
In the practice of proportioning concrete compositions, the optimum sand content in a mixture of aggregates is usually found empirically. The disadvantage of this approach is the considerable complexity and duration of the required tests.
Leonid Dvorkin
doaj   +2 more sources

Mechanical behaviour evaluation of scrab tire based rubberized lightweight and normal structural concrete and response at elevated temperatures [PDF]

Scientific Reports
In recent years, the exponential increase in the world population had led to sharp increase in discarded scrap tires, creating a serious ecological problem. In addition, environmental and social damage that occur during the extraction of aggregate is one
Mohammed Ibrahim Majeed Al-Hadeethi, Ali Serdar Ecemiş   +1 more
doaj   +2 more sources