The article describes an experimental study on the bond–slip performance between the pultruded glass fiber-reinforced polymer (GFRP) tube and the nano-CaCO 3 concrete. Taking the nano-CaCO 3 concrete strength and GFRP tube thickness as primary parameters, nine specimens were designed and tested to study the influence of these …
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Dec 1, 2023 · A study conducted by [18] found that adding 6% nano-CaCO3 to asphalt concrete enhanced the dynamic and residual stability, indicating that both the high-temperature and water stability of asphalt concrete has improved. Other researchers conducted a study to assess the rheological, physical, and performance of hot mix …
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Aug 18, 2020 · The article describes an experimental study on the bond–slip performance between the pultruded glass fiber-reinforced polymer (GFRP) tube and the nano-CaCO 3 concrete.
Aug 30, 2023 · Polypropylene (PP)-composite foams were prepared by a combination process of microcellular injection molding (MIM) and in-mold decoration (IMD). The effect of ethylene propylene diene monomer (EPDM) on the crystallization properties, rheological properties, microstructure, and mechanical properties …
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Feb 1, 2017 · Indirect carbonation is a suitable method for carbon dioxide (CO 2) removal from the environment, and it requires an acid to dissolve the calcium ions and a base to precipitate the formed calcium carbonate (CaCO 3).We herein report a new method to produce high-purity nano-CaCO 3 (nCaCO 3) from steel slag using hydrochloric acid …
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Jan 1, 2022 · Sadrmomtazi and Barzegar [11] stated that nano-silica being finer material can easily fill the pores between cement particles and fly ash leading to enhancement in concrete’s compressive strength, having fly ash in large volume as a replacement of cement. It also diminishes bleeding &segregation (a common problem in fresh concrete) …
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Sep 7, 2016 · Nano-CaCO3 was prepared from phosphogypsum (PG) through reactive crystallization in the gas (CO2)–liquid (NH3·H2O)–solid (PG) three-phase system. The effects of temperature, CO2 flow rate, and reaction time on the CaCO3 particle size distribution (PSD) were investigated. The results show that PG-derived nano-CaCO3 …
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Jul 2, 2021 · Further, nano CaCO 3 is environmentally and economically viable, as it has the potential to be produced within the cement plant while utilizing waste CO 2 and generating economic revenue to the industry. Thus, nano CaCO 3 has the potential to serve as an alternative to fly ash in all beneficial aspects—economic, environmental, and …
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1. Mining the raw material. Limestone and clay are blasted from rock quarries by boring the rock and setting off explosives with a negligible impact of the environment, due to the modern technology employed.
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May 15, 2017 · DOI: 10.1016/J.COMPOSITESB.2017.02.030 Corpus ID: 135933612; Effect of nano-CaCO3 slurry on the mechanical properties and micro-structure of concrete with and without fly ash @article{Tao2017EffectON, title={Effect of nano-CaCO3 slurry on the mechanical properties and micro-structure of concrete with and without fly ash}, …
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