Results 11 to 20 of about 3,010,294 (345)

Compressive Strength of Alginate Impression Material Incorporated with Silver and Zirconium Oxide Nanoparticles [PDF]

Al-Rafidain Dental Journal, 2023
Aims: To investigate the effect of adding nanoparticles on the compressive strength of alginate impression material. Materials and Methods: In this study, two types of nanoparticles were added to alginate impression materials: silver and zirconium oxide ...
Luma Mudhafar Al-Nema, Ahmed Asim Al-Ali
doaj   +1 more source

Predicting compressive strength of high-performance concrete with high volume ground granulated blast-furnace slag replacement using boosting machine learning algorithms

Scientific Reports, 2022
Predicting the compressive strength of concrete is a complicated process due to the heterogeneous mixture of concrete and high variable materials. Researchers have predicted the compressive strength of concrete for various mixes using machine learning ...
Vimal Rathakrishnan, Salmia Bt. Beddu, A. Ahmed   +2 more
semanticscholar   +1 more source

Prediction of Compressive Strength of Geopolymer Concrete Based on Support Vector Machine and Modified Cuckoo Algorithm

Advances in Materials Science and Engineering, 2021
Coal gangue-based geopolymer concrete is an environmentally friendly material made from coal gangue, solid waste from the coal mine. Compressive strength is one of the most important indexes for concretes.
Daming Zhang, Fangjin Sun, Tiantian Liu
doaj   +1 more source

Soft computing models to predict the compressive strength of GGBS/FA- geopolymer concrete

PLoS ONE, 2022
A variety of ashes used as the binder in geopolymer concrete such as fly ash (FA), ground granulated blast furnace slag (GGBS), rice husk ash (RHA), metakaolin (MK), palm oil fuel ash (POFA), and so on, among of them the FA was commonly used to produce ...
H. Ahmed, A. Mohammed, A. Mohammed
semanticscholar   +1 more source

Compressive Strength Evaluation of Ultra-High-Strength Concrete by Machine Learning

Materials, 2022
In civil engineering, ultra-high-strength concrete (UHSC) is a useful and efficient building material. To save money and time in the construction sector, soft computing approaches have been used to estimate concrete properties.
Zhongjie Shen, A. Deifalla, P. Kamiński, A. Dyczko   +3 more
semanticscholar   +1 more source

Methods to Test the Compressive Strength of Earth Blocks

Advances in Materials Science and Engineering, 2021
The efficient design of new earth structures and the restoration of old structures both require a reliable assessment of the compressive strength of earth materials.
Guanqi Lan, Sisi Chao, Yihong Wang, Ying Cui   +3 more
doaj   +1 more source

Effects of Waste Powder, Fine and Coarse Marble Aggregates on Concrete Compressive Strength

Sustainability, 2022
The use of marble wastes in concrete mixtures, causing air and water pollution, has been promoted in the academic and practical spheres of the construction industry.
B. Başaran, I. Kalkan, Ceyhun Aksoylu, Y. Özkılıç, M. Sabri   +4 more
semanticscholar   +1 more source

Compressive Strength Prediction of High-Strength Concrete Using Long Short-Term Memory and Machine Learning Algorithms

Buildings, 2022
Compressive strength is an important mechanical property of high-strength concrete (HSC), but testing methods are usually uneconomical, time-consuming, and labor-intensive. To this end, in this paper, a long short-term memory (LSTM) model was proposed to
Honggen Chen, Xin Li, Yanqi Wu, Le Zuo, Mengjie Lu, Yisong Zhou   +5 more
semanticscholar   +1 more source

Effect of Specimens' Shape and Size on the Determination of Compressive Strength and Deformability of Cement-lime Mortars [PDF]

Materials Research, 2018
This work presents comparative analyses of the effect of specimens' shape and size on the compressive strength and modulus of elasticity of mortars. Mortar mixtures with compressive strength between 5 and 20 MPa were produced.
Gustavo Henrique Nalon, Roseli Oliveira Guedes Martins, Rita de Cássia Silva Sant'Ana Alvarenga, Gustavo Emilio Soares de Lima, Leonardo Gonçalves Pedroti, White José dos Santos   +5 more
doaj   +1 more source

Evaluation of Condition of Concrete Structures Using Ultrasonic Pulse Velocity Method

Applied Sciences, 2020
The purpose of this study is to estimate the compressive strength according to the age of the concrete structure using ultrasonic pulse velocity method.
Seonguk Hong, Sangki Yoon, Jonghyun Kim, Changjong Lee, Seunghun Kim, Yongtaeg Lee   +5 more
doaj   +1 more source