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صفحه اصلی > Nanoclay- Supported Preyssler Heteropolyacid (NCP): an Effective Nanocomposite to Improve the Compressive Strength of Concrete
.: Nanoclay- Supported Preyssler Heteropolyacid (NCP): an Effective Nanocomposite to Improve the Compressive Strength of Concrete Nanoclay- Supported Preyssler Heteropolyacid (NCP): an Effective Nanocomposite to Improve the Compressive Strength of Concrete Mehdi Jafari11*, Amir Mohammad Mozhdehi2, Ahmad Ganjali3, Fatemeh F. Bamoharram4
1-Department of Civil engineering, Shahrood Branch, Islamic Azad University, Iran 2-Department of Civil engineering, Shahrood Branch, Islamic Azad University, Iran 3-Department of Civil engineering, Shahrood Branch, Islamic Azad University, Iran 4-Department of Chemistry, Mashhad Branch, Islamic Azad University, Iran *mehdijafari.ce@gmail.com Received: September 2020 Accepted: October 2020
Abstract
Nanoclay- supported Preyssler heteropolyacid as a new and effective nanocomposite was used to improve the compressive strength of concrete. The cement pastes used in this study were a mix of water, ordinary Portland cement and nanoclay- supported Preyssler heteropolyacid. The nanoclay- supported Preyssler were added into the concrete with different concentrations of 1, 2, 3, 4 and 5% by the weight of cement amount. Water/cement ratio was 0.35 and the dimension of the cubic samples was 15 ×15 ×15 Cm. Compressive strength tests were done on hardened specimens. The obtained results revealed that the addition of nanoclay- supported Preyssler heteropolyacid into the concrete samples led to increase in compressive strength of concrete specimens equal to 23.2% at 28 days for dosage of 3%.
Keywords: Nanoclay, compressive strength, heteropolyacid, Preyssler, concrete. دانلود مقاله : ![]() |
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