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Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a commitment to pursuing the best use of concrete.
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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: Recent Developments In Foundation Design-With Special Reference To Concrete
Author(s): Carlton S. Proctor
Publication: Journal Proceedings
Appears on pages(s): 541-556
Abstract:Describes, illustrates, and explains the following foundations employing new design principles. (I) The San Francisco-Oakland Bay Bridge, where the Moran and Proctor caisson provided pneumatic false bottoms, maintained at desired levels above caisson cutting edge by hemispherical domes cap-ping air filled cylinders. An explanation is presented for the reversal of usual principles of design and construction of bridge piers in water depths con-siderably greater than previous limits; also reversal of economics since older types involve rapidincreases in cost as flotation depth increases, whereas this caisson reduces in cost where dredging depth decreases as a result of flotation depth increase. (2) Foundation and grading treatment at Flushing Meadows, to create site for New York World’s Fair, involving new principles for eliminating mud waves and for loading and filling on highly fluid silts. (3) Mississippi River bridge at New Orleans, em ploying newly-designed thin exterior caisson walls incorporating cutting and bathing jets; also provision that portions of caisson walls be unfilled above caisson seal to reduce bearing intensities. (4) Deep reinforced concrete annular girder foundations for support of tower structure for Palace of Soviets, Moscow, where superstructure steel skele-ton consists of single two-leg columns on perimeter of tower base, without interior columns. The diameter of circle of columns is 148 m. Columns are set in, from vertical around hemispherical auditorium dome, thus requiring that there be no differential settlements between columns to cause departure of column base levels from a plane.
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