Jet grouting technology design and control pdf

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jet grouting technology design and control pdf

Jet Grouting: Technology, Design and Control - CRC Press Book

A parametric study based on three dimensional finite element 3D FE simulations of jet-grouted rafts JGRs subjected to nonuniform vertical loading has been conducted to investigate the interactions of JGR elements that are raft, jet-grouted columns JGCs , granular interlayer mat and subsoil. The presented initial 3D FE simulation of a single JGC which is geometrically approximated with the rotated sinusoidal functional representation accounting for the actual variation of JGC diameter with depth is validated performing the back-analysis of the developed 3D FE models with the well-known experimental results reported in the literature. The image processing technique allowing the 3D FE modelling of complex irregular geometries has been employed and the extension of simulation to the complete JGR system is accomplished. Considering the design strategies previously defined for JGR systems, Paper resolves how the independent variables of interlayer thickness, JGC spacing and length under the core and edge areas of raft affect the design responses of settlements, bending moments and vertical stresses. The multi objective optimization analysis has been performed using Response Surface Method RSM to achieve the most economical design solution that satisfies the presented design constraints for JGRs.
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Published 06.01.2019

Jet Grouting Technology, Design and Control

Proceedings of the Institution of Civil Engineers - Ground Improvement

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Jet grouting is a technology that has spread worldwide, with a great variety of applications. It is becoming increasingly important in tackling and solving intricate and specific geotechnical problems. - Welcome to CRCPress. Please choose www.



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