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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Cementitious Material Extraction from Lunar Resources
Author(s): Shinji Matsumoto, Tetsuji yoshida, and Kenji Takagi
Publication: Special Publication
Appears on pages(s): 29-40
Keywords: breaking; cements; extraction; lunar dust; lunar rock; solar energy; solar radiation; thermal gradient; thermal stresses; General
Abstract:Lunar base concepts utilizing concrete as structural material have been proposed recently. These are based on the consideration that oxygen and raw materials used in manufacturing cement will be extracted from lunar resources and that the soils and rocks will be used as aggregates of concrete. The moon has an abundance of raw material used in manufacturing cement within its rocky soil, thus requiring rocks to be crushed. The paper discusses a unique rock-breaking system using plentiful solar energy available on the moon: that is, sudden heating of a rock surface induces high thermal stress within the rock, which results in the rock breaking. Appropriate heat flow and radiating time are calculated using the physical property of basalt, which has a similar chemical composition to lunar rock. Additionally, required system volume is estimated.
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