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Title	DESIGN OF THICK-WALLED MULTIPLE OPENING CONDUITS TO RESIST LARGE DISTRIBUTED LOADS
Accession No	00164974
Authors	Gamble, W L
Corp. Authors / Publisher	Illinois University, Urbana
Publication Date	19770400
Description	42 p.
Abstract	The design of multiple opening reinforced concrete conduits suitable for use as waterways through and under large earth-fill dams is discussed. Vertical overburden pressures up to 30 k/sq ft, corresponding to about 250 ft of fill, are considered. The resultant structures have members with low span/depth ratios, and the analysis and design of these structures is discussed, in a number of steps. The idealization of the thick-walled structure into a frame of linear elements is discussed, with particular attention to the joint areas. The analysis of the idealized frame is then considered. After the basic analysis is done, moments, shears, and thrusts must be found for the critical cross sections, and the selection of these sections is discussed. A criterion for the shear strengths of the deep members used in the conduits is presented. The flexural reinforcement and the detailing of the flexural steel are discussed.
TRT Terms	Concrete construction ; Conduits ; Culverts ; Design ; Earth dams ; Embankments ; Joints (Engineering) ; Loads ; Reinforced concrete ; Reinforced concrete pipe ; Reinforcement (Engineering) ; Shear strength ; Structural analysis
Other Terms	Joint; Overcompaction; Steel reinforcement
Subject Areas	H62 FOUNDATIONS (SOILS); H22 HYDROLOGY AND HYDRAULICS; H25 STRUCTURES DESIGN AND PERFORMANCE
Report Number	Report No. 440
Availability	National Technical Information Service Linda Hall Library Order Number: AD-A039259/7ST
Document Source	Engineering Index Source Data: EIX770900238
TRIS Files	HRIS
Database	TRIS Online

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