SHEAR MODULUS AND CYCLIC UNDRAINED BEHAVIOR OF SANDS

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概要

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• The results of laboratory experiments performed to investigate the effects that factors such as fabric, anisotropic consolidation and stress-strain history have on the shear modulus at very small strains (G_0), on the drained modulus degradation curve, and on the cyclic undrained shear strength of sands are summarized. The results presented show that G_0 is relatively insensitive to sand fabric, initial stress ratio, monotonic prestressing, and cyclic strain history. Thus, specimens with the same G_0 can exhibit very different behaviors in cyclic undrained shear, depending upon their initial fabric, initial stress ratio, or stress-strain history. To a lesser degree, this is also true for the shear modulus (G) at larger strains, as interpreted in the conventional manner from drained cyclic shear tests (unload/reload modulus). Based on these findings, the limitations involved in the use of G_0 and G to interpret behavior in cyclic undrained shear are discussed.

• 社団法人地盤工学会の論文
• 1989-12-15

著者

• Guzman A.alarcon

  Universidad Nacional

• Frost J.d.

  Purdue University

• LEONARDS G.A.

  Purdue University

• CHAMEAU J.L.

  respectively, Purdue University

• LEONARDS G.A.

  respectively, Purdue University

• FROST J.D.

  respectively, Purdue University

• Chameau J.l.

  Vice Provost For Research And Georgia Research Alliance Chair Georgia Institute Of Technology

• Alarcon-Guzman A.

  Universidad Nacional

関連論文

• SHEAR MODULUS AND CYCLIC UNDRAINED BEHAVIOR OF SANDS
• 砂のせん断弾性係数と非排水条件での繰返し載荷時における挙動(『土質工学会論文報告集』Vol. 29,No.4 (1989年12月発行)掲載論文の概要)
• SHEAR MODULUS AND CYCLIC UNDRAINED BEHAVIOR OF SANDS
• FABRIC EFFECTS ON THE YIELD BEHAVIOR OF SOILS

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