Results 21 to 30 of about 1,418,727 (199)

Unreinforced concrete masonry under compression: Brazilian statistics, reliability analysis and code calibration [PDF]

open access: yesRevista IBRACON de Estruturas e Materiais
Although the new Brazilian code is considered an advancement, it still lacks a reliability-based calibration of partial safety factors. Therefore, this paper presents a comprehensive set of reliability analyses oriented to structural masonry members ...
Wagner Carvalho Santiago   +2 more
doaj   +1 more source

Research on the Difference of Physical Parameters of Concrete in Saline-alkali Environment [PDF]

open access: yesE3S Web of Conferences, 2020
In order to better study the corrosion of concrete in saline-alkali area, the model tests of concrete and reinforced concrete with different ions and different ion concentrations were constructed.
Qi Yumao, Huang Junge, Liu Yu, Pei Jian
doaj   +1 more source

The strength of hollow concrete block walls, reinforced hollow concrete block beams, and columns

open access: yesJournal of King Saud University - Engineering Sciences, 2022
This study aimed to determine the strength of hollow concrete block masonry walls, beams, and columns and compare their values with brick masonry walls and ordinary reinforced concrete beams and columns. The specimens for the hollow concrete block and brick masonry walls were prepared and tested for compressive and flexural strengths and horizontal and
Muttaqin Hasan   +3 more
openaire   +2 more sources

A comparative analysis of compression bearing capacity in recycled concrete brick walls and composite walls incorporating coal-ash blocks

open access: yesScientific Reports, 2023
In the face of the problem of waste disposal in the demolition of concrete structures, a composite wall composed of recycled concrete bricks and fly ash blocks was proposed, and based on the previous thermal performance research, its axial compression ...
Jianhua Li, Xueyong Xu, Xiaoqin Liu
doaj   +1 more source

Elliptical underground concrete block bridge with minimal weight

open access: yesMagazine of Civil Engineering, 2023
An algorithm for determining the optimal parameters of an elliptical road bridge made of concrete blocks is proposed. The arch section heights are determined from the condition that the height of the concrete compressed zone should not be less than half ...
Tyukalov Yury
doaj   +1 more source

The Effects of Foam Beads and Kaolin on Physical and Thermal Properties of Concrete Blocks

open access: yesInternational Journal of Technology, 2016
It is widely use of air-conditioning systems in Thailand due to its location. It is located in a tropical zone with relatively high temperatures all year round, with high humidity and high intensity of sunlight.
Korb Srinavin, Patipat Tunming
doaj   +1 more source

Water Absorption Rate in Porous Concrete Paving Block as a Permeable Pavement Structure [PDF]

open access: yesE3S Web of Conferences
Controlling surface water runoff is one way to maintain environmental sustainability. Rainwater on the road surface is one of the problems that must be controlled.
Matthew Darren   +3 more
doaj   +1 more source

Use of reclaimed water for unreinforced concrete block production for the self-construction of houses

open access: yesWater Reuse, 2021
Experiments were conducted to evaluate the possibilities of using treated wastewater for the production of unreinforced concrete blocks. Compressive strength, water absorption and morphology tests of concrete blocks, produced from different makeups of ...
N. J. Gulamussen   +4 more
doaj   +1 more source

Investigation of digitally produced, interlocking concrete blocks for a modular slab construction [PDF]

open access: yes
3D concrete printing has the potential to improve the cost, material efficiency and construction time. Combining the advantages of 3D concrete printing with modular construction enables the principle of topological interlocking of three-dimensional (non ...
Mechtcherine, Viktor   +3 more
core   +1 more source

Development Insulation Performance of Concrete Masonry Units

open access: yesTikrit Journal of Engineering Sciences, 2013
Thermal insulation of buildings takes more of researchers' interest because of different economical and ecological considerations. Thermal insulation of walls is a principal part of thermal insulation system for any building.
Shakir A. Salih   +2 more
doaj   +1 more source

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