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Study on the anti-corrosion properties of hydrophobic cement mortar containing coral sand

Wybrane pełne teksty z tego czasopisma
Identyfikatory
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
The high porosity and strong water absorption of coral sand (CS) lead to the decline of the corrosion resistance of CS cement mortar. In this study, an environmentally friendly method of preparing hydrophobic concrete with water-repellent and anti-corrosion properties using CS is proposed. CS was modified by stearic acid to reduce the excessive water absorption caused by its high porosity. The prepared modified CS (M-CS) was used to partially replace the sand in the cement mortar to fabricate hydrophobic cement mortar, the water contact angle of which was found to be 115.9°. The cumulative water absorption, compressive strength, and anti-corrosion properties of hydrophobic cement mortar were explored. The cumulative water absorption of the hydrophobic mortar was found to be 49.75% lower than that of ordinary cement mortar. The compression test results show that a 10% content of M-CS can improve the compressive strength of cement mortar. Moreover, the corrosion resistance was found to be enhanced with the increase of the M-CS content. The hydrophobic cement mortar developed in this study is expected to strengthen the corrosion resistance of cement mortar used for coastal engineering.
Rocznik
Strony
art. no. e177, 2023
Opis fizyczny
Bibliogr. 49 poz., fot., rys., wykr.
Twórcy
autor
  • College of Civil Engineering and Architecture, Shandong University of Science and Technology, Qingdao 266590, Shandong, China
autor
  • College of Civil Engineering and Architecture, Shandong University of Science and Technology, Qingdao 266590, Shandong, China
  • College of Mechanical and Architectural Engineering, Taishan University, Taian 271000, Shandong, China
  • Institude of Advanced Engineering Materials and Structures, Taishan University, Taian 271000, Shandong, China
autor
  • College of Civil Engineering and Architecture, Shandong University of Science and Technology, Qingdao 266590, Shandong, China
  • College of Civil Engineering and Architecture, Shandong University of Science and Technology, Qingdao 266590, Shandong, China
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Uwagi
PL
Opracowanie rekordu ze środków MNiSW, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2024)
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-1c6f6bb7-1e51-4ebe-82a7-eb3f5dfc84fb
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