Degradation in Cemented Marine Clay Subjected to Cyclic Compressive Loading

Moses, G. Gerald; Rao, S. Narasimha

doi:10.1080/10641190306709

Cited by 42 publications

(7 citation statements)

References 21 publications

(12 reference statements)

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“…There were effects from the number of loading cycles on the test respectively involved. Similar trends were observed for the test, and it shows that there were increases with continuing loading cycles from 1 to 100 cycles [9]- [13] findings.…”

Section: Introductionsupporting

confidence: 79%

Determination of the Post-Cyclic Yield Strength and Initial Stiffness of Two Peat Soils

Mohamad¹

2020

GEOMATE

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The post-cyclic yield shear strength and initial stiffness of a peat soil after subjecting to cyclic loading is a major topic in this study. Due to the effects of cyclic loading, post-cyclic shear strength decreases lower than its initial strength. A series laboratory static and cyclic triaxial test followed by post-cyclic monotonic tests carried out to determine the yielding parameters. Tests were carried out on the undisturbed samples taken from Parit Nipah, Johor and Lumadan, Sabah within west and east Malaysia peat soils. Postcyclic loading test conducted with effective stress 100 kPa with frequency 1.0Hz. The initial stiffness is the initial tangential modulus with yield shear strength was half of the deviator stress in which two tangential lines intersect. The post cyclic yield shear strength of undisturbed peat soil is considerably lower compared to static at the axial strain of only 1.4% and 1.5%. The Parit Nipah and Lumadan peat are classified as Hemic.

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Section: Introductionsupporting

confidence: 79%

Determination of the Post-Cyclic Yield Strength and Initial Stiffness of Two Peat Soils

Mohamad¹

2020

GEOMATE

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“…It has been recognized widely that the deformation induced by long-term traffic loading is an important component of the total subgrade settlement. In order to understand the traffic-induced deformation, lots of experimental studies (Seed et al [1]; Seed and McNeill [2]; Hyde and Brown [3]; Andersen et al [4]; Yasuhara et al [5]; Hyde and Ward [6]; Ausal and Erken [7]; Hyde et al [8]; Moses and Rao [9]; Li et al [10]; Guo et al [11]; Wang et al [12]; Wang and Cai [13]) have been performed, and many empirical formulas for deformation prediction (Monismith et al [14]; Li and Selig [15]; Chai and Miura [16]; Guo et al [11]) have been proposed. A review of the previous studies reveals that one-way cyclic triaxial tests were mostly used.…”

Section: Introductionmentioning

confidence: 99%

Effects of cyclic confining pressure on the deformation characteristics of natural soft clay

Sun

Wang

2015

Soil Dynamics and Earthquake Engineering

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“…Jovicic and Coop [16] and Lings [17] investigated the influence of anisotropy on the stiffness of clays. The strength of a marine clay was the object of study by Moses and Rao [18]. Boulanger and Idriss [19] focused on the evaluation of the liquefaction potential of silt and clays and proposed an estimate of the equivalent number of uniform cycles that produce softening as a function of the seismic magnitude (M w ).…”

Section: Introductionmentioning

confidence: 99%

Cyclic and Permanent Shear Strains of a Soft Cohesive Soil Subjected to Combined Static and Cyclic Loading

Patiño¹,

Galindo

Marañón

2020

Applied Sciences

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This paper refers to cyclic shear strains (γc) and permanent shear strains (γp) of a soft cohesive soil, when both monotonic shear stresses (τo) and cyclic shear stresses (τc) are applied. The research is backed by an extensive experimental program with 139 cyclic simple shear tests that included identification and classification tests. These cyclic simple shear tests were conducted under different levels of stresses, τo, before the cyclic phase. Laboratory tests were carried out on undisturbed samples from the Port of Barcelona, located in Spain on the Mediterranean coast, and characterized by a monotonic strength (τmax) approximately equal to 30% of the initial effective vertical stress (σ′ov). The samples were taken at depths between 29 and 52 m and correspond to an initial effective vertical stress between 277 and 413 kPa, respectively. In general, the results indicate that: (a) the combination of τo and τc controls the generation of γc and γp, (b) it is not always true that when τo/σ′ov + τc/σ′ov ≈ τmax/σ′ov, the soil reaches failure cyclically, and (c) empirical relations useful for design can be established between γc, γp, and the number of cycles (N), for different relationships varying (τo/σ′ov) between 0% and 25%.

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Degradation in Cemented Marine Clay Subjected to Cyclic Compressive Loading

Cited by 42 publications

References 21 publications

Determination of the Post-Cyclic Yield Strength and Initial Stiffness of Two Peat Soils

Determination of the Post-Cyclic Yield Strength and Initial Stiffness of Two Peat Soils

Effects of cyclic confining pressure on the deformation characteristics of natural soft clay

Cyclic and Permanent Shear Strains of a Soft Cohesive Soil Subjected to Combined Static and Cyclic Loading

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