Vol. 15 No. 02 (2025): Journal of Building Materials and Construction
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Tạp chí Vật liệu & Xây dựng - Bộ Xây dựng

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Technological process of construction of large mass concrete structures in the form of transfer beams by using the heat dissipation piping system

Lê Văn Minh , Lê Đình Mạnh

Keywords:

Mass concrete
Thermal stress
Thermal cracking
Delayed Ettringite Formation
Cooling pipe system
Finite element
Hydration heat

Abstract

The durability of mass concrete structures can be affected by thermal stress and thermal cracking when the temperature difference between the core and the surface exceeds the allowable limit. Without strict control measures, Delayed Ettringite Formation (DEF) may occur. This phenomenon happens when the concrete temperature rises excessively in the early stages, causing hydration products to transform and leading to the delayed formation of ettringite under high humidity conditions. As a result, surface cracking occurs, compromising the long-term durability of the concrete. Therefore, the construction method of mass concrete structures combined with a cooling pipe system is one of the most effective measures to reduce heat generation in mass concrete structures. This paper examines temperature control issues in mass concrete structures utilizing a cooling pipe system. The research methodology involves simulating a transfer girder concrete structure using finite element analysis with Midas Civil 2022. Based on the analysis results, this study aims to develop technical guidelines, recommendations, and construction considerations for mass concrete structures using a cooling pipe system.

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How to Cite

Lê Văn Minh, & Lê Đình Mạnh. (2025). Technological process of construction of large mass concrete structures in the form of transfer beams by using the heat dissipation piping system. Tạp Chí Vật liệu & Xây dựng - Bộ Xây dựng, 15(02), Trang 105 – Trang 112. https://doi.org/10.54772/jomc.02.2025.890

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