Journal ArticleDOI
Dynamic Properties of Cement-Treated Marine Clay
TLDR
In this article, the static strength and maximum shear modulus of deep cement mixing and jet grouting is evaluated. But, the results are limited to a single type of ground improvement method to solidify soft sediments.Abstract:
Deep cement mixing and jet grouting is a widely adopted ground improvement method to solidify soft sediments. Several reports are available on the static strength and maximum shear modulus...read more
Citations
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Journal ArticleDOI
Stabilization of expansive soils using chemical additives: A review
TL;DR: In this paper , the suitability of such additives under various conditions and their mechanisms are reviewed in detail, and the degree of stabilization is controlled by several factors such as additive type, additive content, soil type, soil mineralogy, curing period, curing temperature, delay in compaction, pH of soil matrix, and molding water content.
Journal ArticleDOI
New Applications of Ordinary Portland and Calcium Sulfoaluminate Composite Binder for Recycling Dredged Marine Sediments as Road Materials
TL;DR: In this paper , a series of tests to evaluate physical and mechanical properties of samples, which indicated that the OPC-CSA composite binder could effectively improve the engineering characteristics of solidified dredged marine sediments, such as the immediate California Bearing Ratio (I-CBR), unconfined compressive strength, splitting tensile strength, and elastic modulus.
Journal ArticleDOI
Cement-Modified Loess Base for Intercity Railways: Mechanical Strength and Influencing Factors Based on the Vertical Vibration Compaction Method.
TL;DR: The mechanical strength growth properties of the CML can be accurately predicted via established strength growth equations and can guide the design and construction of CML subgrade.
Journal ArticleDOI
Evolution law of small strain shear modulus of expansive soil: From a damage perspective
TL;DR: In this paper , a series of resonance column tests were carried out to investigate the effects of mean effective stress, loading and unloading stress paths and vibration cycles on the nonlinear decay law of small strain shear modulus of expansive soil, and the damage mechanism was discussed in detail.
Journal ArticleDOI
Dynamic shear modulus and damping of cemented and uncemented lightweight expanded clay aggregate (LECA) at low strains
Hongmei Gao,Shuangshuang Xia,Fangyuan Chen,Armin W. Stuedlein,Li Xue,Zhihua Wang,Zhifu Shen,Xinmin Chen +7 more
TL;DR: In this article, a series of unconfined compression and resonant column tests were performed to understand the dynamic performance of lightweight expanded clay aggregate (LECA), and the results were placed in the context of the application of LECA as an engineered backfill.
References
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Journal ArticleDOI
Cyclic triaxial test of dynamic soil properties for wide strain range
TL;DR: In this article, a cyclic triaxial test with a sealed load transducer and a gap sensor was used to measure the shear modulus and its strain dependent variation within a wide strain range.
Journal ArticleDOI
Stiffness of fine-grained soil at very small strains
TL;DR: The stiffness of soil at very small strain Go is a useful parameter for characterizing the nonlinear stress-strain behavior of soil for monotonic loading and it is required for analyses of the dynamic and small strain cyclic loading of soils.
Journal ArticleDOI
Shear moduli of sands under cyclic torsional shear loading
TL;DR: In this paper, the authors evaluated the degree of reduction in shear modulus of sands with an increase in shearing strain amplitude, using hollow cylindrical samples applying torsional shearing forces.
Journal ArticleDOI
Fundamental Parameters of Cement-Admixed Clay—New Approach
TL;DR: In this paper, after-curing void ratio (eot) and cement content (Aw) have been found sufficient to characterize the strength and compressibility of cement-admixed clay at high water contents from analyses performed on the results of unconfined compression tests.
Journal ArticleDOI
Dynamic properties of soft clay for wide strain range
TL;DR: In this paper, a systematic experimental study has been conducted for dynamic properties of natural soft clay employing an improved cyclic triaxial apparatus to reveal the following important facts: (1) the rate of time-dependent increase of the shear modulus of clay can be approximated by a simple experimental equation in which only plasticity index is used.