Title: Earthquake resistant, even loaded man-made land structure and method of making same

Abstract: An earthquake resistant, even loaded man-made land structure including an open container provided in the earth, a plate slidably provided in and enclosing the opening of the container, at least one layer of sand provided between the plate and the container, a means for introducing hydraulic fluid into the sand for maintaining the hydraulic fluid under pressure and dirt provided on top of the plate and filling the remainder of the container.

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Inventors: Kitamura, Akinori

Application Number: 001306
Filing Date: 1979-01-05
Publication_date: 1980-09-16
Assignee:
Primary Class(es): 52/167.4 405/229
Other Classes:
US Patent Ref:

845046	Feb, 1907	Bechtold	52/167.
1847820	Mar, 1932	De Montalk	52/167.
3748800	Jul, 1973	Glickensberg	52/167.

Other Refs:
Primary Examiner: Frazier, Roy D.
Assistant Examiner: Grosz, Alexander
Attorney: Koda and Androlia