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논문 기본 정보

자료유형
학술저널
저자정보
Sang-Yeop Chung (Technische Universität Berlin) Mohamed Abd Elrahman (Technische Universität Berlin) Dietmar Stephan (Technische Universität Berlin)
저널정보
한국콘크리트학회 International Journal of Concrete Structures and Materials International Journal of Concrete Structures and Materials Vol.11 No.4
발행연도
2017.12
수록면
573 - 584 (12page)

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초록· 키워드

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Insulating concrete is a material designed to reduce heat conduction with pores/insulations, and these pores strongly affect the material characteristics. In general, the insulation effect is directly proportion to the pore volume, while the material strength decreases as the porosity increases. To overcome this contrary, anisotropic insulations with different spatial distributions are proposed and investigated in this study. A set of mortar specimens with different arrangements of coin-shaped insulations are produced to examine the anisotropic insulation effect on the material characteristics. In addition, different types of insulation materials and their effect on the materials are also investigated here. X-ray computed tomography images and probabilistic description methods are used to confirm the arrangement of the insulations. The thermal and mechanical responses for different directions are investigated using both experimental and numerical methods. From the results, it is demonstrated that the use of anisotropic insulations for a specific direction can enhance the insulation efficiently as well as minimizing the loss of compressive strength.

목차

Abstract
1. Introduction
2. Concrete Specimens with Different Anisotropic Insulations
3. Characterization and Property Measurements of Anisotropic Insulations
4. Characteristics and Properties of the Insulating Specimens with Different of the Insulating Specimens with Different
5. Conclusions
References

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