Topic
Embedment
About: Embedment is a research topic. Over the lifetime, 2441 publications have been published within this topic receiving 31444 citations.
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TL;DR: In this article, a series of centrifuge model tests has been conducted using two clays ( kaolin and a high-plasticity natural clay) to simulate the dynamic pipe embedment process.
Abstract: The as-laid embedment of a seabed pipeline is an important design parameter. As a pipe is laid on the seabed it oscillates, owing to vessel motion and hydrodynamic loading of the hanging pipe. This movement significantly increases the pipe embedment beyond the theoretical value related to the static pipe weight, even when corrected for any stress concentration caused by the hanging catenary. Dynamic lay effects are either ignored in practice, or are accounted for by scaling up the static embedment by an empirical factor, leading to significant uncertainty in this important design parameter. A series of centrifuge model tests has been conducted using two clays – kaolin and a high-plasticity natural clay – to simulate the dynamic embedment process. The results indicate that only a few cycles of small-amplitude oscillation (±0·05D) are required to double or triple the pipe embedment, owing to the combined effect of lateral ploughing and soil softening. In these experiments the pipe embedment increased to up ...
33 citations
TL;DR: In this article, polyimide coated multi-mode optical fibers were embedded between layers of the composite beam in order to measure strain as the beam is deformed, and the results discussed.
Abstract: A way in which to control vibrations at the tip of a flexible beam prompted this research. Polyimide coated multi-mode optical fibers were embedded between layers of the composite beam in order to measure strain as the beam is deformed. A close look at the embedment of the optical fibers between layers of preimpregnated unidirectional carbon fiber tape after cure is shown, and the results discussed. Mechanical tests were performed on composite specimens with embedded optical fibers and photographs of embedded optical fibers after the mechanical tests were performed are shown in detail.
33 citations
TL;DR: In this article, the authors examined the embedment behavior of single-dowel connections in Scandinavian Spruce Glulam by means of experimental and numerical investigations, and the results of a series of single dowel tests on samples of different geometry and grain directions were presented.
33 citations
27 Oct 2014
33 citations
TL;DR: In this article, a Hankel transform development of the governing equations is used to reduce the associated mixed boundary value problem to a set of coupled Fredholm integral equations of the second kind.
Abstract: The present paper examines the axisymmetric problem related to the loading of a rigid circular anchor plate which is embedded in bonded contact with an isotropic elastic half-space. A Hankel transform development of the governing equations is used to reduce the associated mixed boundary value problem to a set of coupled Fredholm integral equations of the second kind. These equatons are solved in a numerical fashion to generate results of engineering interest. In particular, the results indicate the influence of the depth of embedment on the axial stiffness of the rigid anchor plate.
33 citations