BEARING CAPACITY OF SURFACE FOOTINGS ON SAND LAYER RESTING ON A RIGID ROUGH BASE

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概要

• 論文の詳細を見る

• Laboratory model tests for ultimate bearing capacity of rough rectangular surface footings in dense sand are presented. These tests were conducted to study the variation of the ultimate soil bearing capacity when a rigid rough base is located at a shallow depth from the bottom of the footings. The length-to-width ratios of the footings used for the model tests varied from one to six. The deducted experimental values of the modified bearing factor, N_γ', and shape factor, λ_s', have been compared with theoretical values proposed by Mandel and Salencon (1972) and Meyerhof (1974), respectively. The experimental modified shape factor, λ_s', compared reasonably well with the approximate relation given by Meyerhof. When the rough rigid base is located at a very small depth, i.e., H/B less than about 0.6,grain crushing takes place at around the ultimate load and also the deduced N_γ' is lower than that predicted by the theory based on the internal angle of friction of soil determined from standard triaxial tests.

• 社団法人地盤工学会の論文
• 1979-03-15

著者

• Das Braja

  Civil Engineering Department South Dakota State University

• Das Braja

  Civil Engineering Department The University Of Texas At El Paso

• PFEIFLE THOMAS

  McClelland Engineers, Inc.,

• Pfeifle Thomas

  Mcclelland Engineers Inc.

関連論文

• UPLIFT CAPACITY OF PIPE PILES IN SATURATED CLAY
• 砂中に深く接地されたアンカーの極限抵抗力(『土質工学会論文報告集』Vol. 17 No.2 (1977年6月発行)掲載論文の概要)
• ULTIMATE RESISTANCE OF DEEP VERTICAL ANCHOR IN SAND
• A PROCEDURE FOR ESTIMATION OF ULTIMATE UPLIFT CAPACITY OF FOUNDATIONS IN CLAY
• BEARING CAPACITY OF TWO CLOSELY-SPACED SHALLOW FOUNDATIONS ON SAND
• EFFECT OF HIGH EXCESS PORE PRESSURE ON STRENGTH PARAMETERS OF ORGANIC SOIL
• BEARING CAPACITY OF SURFACE FOOTINGS ON SAND LAYER RESTING ON A RIGID ROUGH BASE
• MODEL TESTS FOR UPLIFT CAPACITY OF FOUNDATIONS IN CLAY
• A PROCEDURE FOR ESTIMATION OF UPLIFT CAPACITY OF ROUGH PILES
• BEARING CAPACITY OF ECCENTRICALLY LOADED SURFACE FOOTINGS ON SAND

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