Introduction to the document "Temperature Characteristics of Tunnel Lining Concrete"
Introducing the temperature characteristics of tunnel secondary lining concrete!
This document introduces the temperature characteristics of tunnel lining concrete poured using FRP formwork. FRP concrete has better thermal insulation performance (heat retention effect) compared to steel formwork, and it also has excellent release properties, eliminating the need for automatic stripping devices. Furthermore, verification regarding the improvement of lining concrete quality revealed that, through temperature analysis using the 3D FEM method, the temperature rise of the concrete until stripping is approximately 3°C higher for FRP than for steel. [Contents] ■ What is tunnel secondary lining? ■ Formwork for tunnel secondary lining (centering) ■ Advantages of FRP centering ■ Koue Tunnel South New Construction Project ■ Verification regarding the improvement of lining concrete quality, etc. *For more details, please download the PDF or feel free to contact us.
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【Advantages of FRP Centrels】 ■ Has thermal insulation properties (heat retention effect) compared to steel formwork ■ Excellent release properties, eliminating the need for automatic stripping devices ■ Reduces cracking due to insufficient initial strength, improving the aesthetic quality of the finished surface ■ Has light permeability, allowing for visual confirmation of the concrete pouring situation ■ Used FRP can be reused as a resource for recycling *For more details, please download the PDF or feel free to contact us.
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MK Engineering Co., Ltd. primarily engages in the design, manufacturing, and sales of tunnel secondary lining formwork. With the motto "Connecting towns. Connecting people. Connecting hearts," we are committed to improving quality and technology.