Abstract
Research into naturally cemented soils (e.g. sandstones) has increased considerably, mostly be-cause of growing interest in offshore oil wells at depths that can, at times, exceed 1000 m. Performing tests directly with on-site soil samples is ideal. However, it's acquisition, transportation and preservation are in-credibly difficult. In order to perform the tests required for this study, the samples were made to simulate the bonding found in naturally cemented soils. Artificially cemented sands were cured under stresses of either 500, 2000 and 4000 kPa, or simply under atmospheric pressure. These specimens were then subjected to drained triaxial compression tests. The results have shown that the curing type has influence over the artifi-cially cemented sand's yield surface and stiffness. The stiffness was vastly superior in specimens cured under higher levels of stress
Highlights
Few authors have investigated the effect of cement setting under stress in granular soils
The pioneering work was published by [1], who studied the behavior of artificially cemented samples cured under stress in oedometric tests. [2 - 10] verified the importance of considering curing stresses and curing void ratio in the mechanical behavior of cemented soils through isotropic and triaxial tests in an artificially cemented soil
The triaxial tests series were performed with uncemented and cemented soil specimens cured under stress or under atmospheric pressure
Summary
Few authors have investigated the effect of cement setting under stress in granular soils. [2 - 10] verified the importance of considering curing stresses and curing void ratio in the mechanical behavior of cemented soils through isotropic and triaxial tests in an artificially cemented soil.
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