Results 1 to 10 of about 3,514,032 (266)
Materials, 2022 A crucial factor in the efficient design of concrete sustainable buildings is the compressive strength (Cs) of eco-friendly concrete. In this work, a hybrid model of Gradient Boosting Regression Tree (GBRT) with grid search cross-validation (GridSearchCV)
Zaineb M. Alhakeem +5 more
semanticscholar +1 more source
Buildings, 2023 This paper focuses on the compressive strength of Glass fiber reinforced polymer (GFRP)-confined reinforced concrete columns. Data from 114 sets of GFRP-confined reinforced concrete columns were collected to evaluate the researchers’ and proposed model ...
Haolin Li, Dongdong Yang, Tianyu Hu
doaj +1 more source
Investigating the influence of parent concrete on mechanical properties of recycled concrete [PDF]
مهندسی عمران شریف, 2022 One of the most significant concerns of recent years among scientists has been related to waste management actions and policies. Unfortunately, landfills are filled with various debris and demolition from old building including waste concrete, glass ...
H. Salehi, N. Biglarijoo, H. Barkhordari
doaj +1 more source
Compressive Strength of Sustainable Geopolymer Concrete Composites: A State-of-the-Art Review
Sustainability, 2021 The building industry, which emits a significant quantity of greenhouse gases, is under tremendous pressure due to global climate change and its consequences for communities.
H. Ahmed +6 more
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 +3 more
semanticscholar +1 more source
Prediction model for compressive strength of rock-steel fiber reinforced concrete composite layer
Rock and Soil Mechanics, 2021 To study the uniaxial compressive strength calculation method of rock-steel fiber reinforced concrete (R-SFRC) composite layer, uniaxial compression test was carried out on rock, steel fiber reinforced concrete and R-SFRC composite layer specimens.
CHEN Meng +4 more
doaj +1 more source
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
Relation between Density and Compressive Strength of Foamed Concrete
Materials, 2021 This study aims to obtain the relationship between density and compressive strength of foamed concrete. Foamed concrete is a preferred building material due to the low density of its concrete.
R. Othman +10 more
semanticscholar +1 more source
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
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 +5 more
doaj +1 more source