نتایج جستجو برای: fine aggregates

تعداد نتایج: 137205  

Journal: :Construction and Building Materials 2021

We investigate the basic creep and fracture response of fine recycled aggregate concrete using nanoscale mechanical characterization modules integrated with nonlinear micromechanical modeling machine learning methods. Fine mortar exhibits a larger volume fraction micropores low-density calcium silicate hydrates compared to natural sand mortar. In return, hard aggregates. The macroscopic logarit...

Journal: :Buildings 2021

In several areas worldwide, the high cost and shortage of natural resources have encouraged researchers engineers to explore serviceability feasibility using recycled aggregates in concrete mixtures, substituting a normal aggregate percentage. This technique has advantages for environment by reducing accumulation waste materials, while it impacts fresh hardened performances, workability, flexur...

Journal: :Construction materials 2023

Alkali–silica reactivity (ASR) is one of multiple reactions responsible for premature loss in concrete infrastructure service life. ASR results the formation expansive, white-colored gel-like material which internal stresses within hardened concrete. ASR-induced result cracking, spalling, and increased reinforcement steel corrosion rates. The main objective this research to improve conditions p...

Journal: :Sustainability 2021

One of the growing demands in concrete manufacture is availability natural fine aggregates, which account for 35% to 45% total concrete. An alternative method disposal recycled aggregates (FRCA) generated from demolition and construction waste (C&DW) their usage mortar development mortar. The main aim this research work evaluate viability incorporating FRCA urban C&DW cement-based morta...

Journal: : 2021

As human societies grow, the problem of waste management becomes one pressing issues that need to be addressed. Recycling and reuse are effective measures prevent pollution conserve natural resources. In this study, possibility using glass as an alternative was used a partial weight substitute for fine aggregates with replacement ratios 10, 20, 30, 40% by weight, formed into test models (15 cm ...

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