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Evaluation of mechanical properties of jet-grouting columns using different test methods Authors

A. Gomes Correia, T. Valente, J. Tinoco, J. Falcão, J. Barata, D. Cebola, S. Coelho



Browse by subject Administrative Sciences Applied Physics Biochemistry, Medicine & Health Chemistry

Pages

2169 - 2171

DOI

10.3233/978-1-60750-031-5-2169

Ebook

Proceedings of the 17th International Conference on Soil Mechanics and Geotechnical Engineering (Volumes 1, 2, 3 and 4)

Abstract This paper evaluates the mechanical properties of jet-grouting columns used for soil improvement. This technique was used to create a slab for the excavation of the one subway station in Barcelona, Spain. Before field treatment of the very soft clayey soil, a field trial was built with some jet-grouting columns in order to define the correct grouting parameters and to determine the mechanical properties of the soil-cement mixture by

Computer & Communication Sciences

collecting some samples from the columns. These samples were obtained with two

Electronics & Mechanics

are collected in situ at a certain age and then tested in the laboratory; and (2) as fresh

Engineering

jet material, a new technique developed by the contractor for collecting the material in a

Environmental Sciences

fresh state, right after the grouting application, and then curing the sample in a

Geosciences Health Information Technology Housing

different techniques: (1) as core samples, the traditional method in which the samples

controlled laboratory environment. At the same time, a laboratory-based formulation study of soil-cement was developed using samples of the clayey soil and the same kind of cement employed in the field trial. Afterwards, the mechanical properties, strength and modulus of the soil-cement mixture made in laboratory were compared

International Security

with those of the field samples, for the same of specimen ages. An attempt was made

Life & Behavioural Sciences

to establish correlations between the mechanical properties obtained by the different

Linked Data

test methods, for the different types of soil-cement mixtures.

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IOS Press Ebooks - Evaluation of mechanical properties of jet-grouting

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