Chapter
Jul 6, 2017
Cased-Pipe Sampling for Quality Assurance of Deep Mixing Method: A Case Study
Authors: Ignazio Paolo Marzano, Ph.D. [email protected], Massimo Grisolia [email protected], Giuseppe Iorio, Ph.D. [email protected], Giuseppe Panetta, Ph.D. [email protected], and Raffaele Papa, Ph.D. [email protected]Author Affiliations
Publication: Grouting 2017
Abstract
The quality assurance (QA) practice of deep mixing treatments usually involves unconfined compression tests on cored samples, retrieved from the stabilized columns after a given curing period. Another approach to QA could be the cased-pipe sampling that allows to retrieve “undisturbed” in situ cured core samples at any given curing time. The aim of the study is to investigate the influence of soil sampling on representativeness of the actual mechanical properties of cement stabilized soil. A series of tests were carried out on three kinds of samples obtained from laboratory mixing, cored columns and in situ cured cased-pipe. The analysis of the results clearly show that the cased-pipe samples better represent the actual mechanical characteristic of the soil mixed material as compared to the cored ones.
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Grouting 2017
Pages: 207 - 215
Copyright
© 2017 American Society of Civil Engineers.
History
Published online: Jul 6, 2017
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Authors
Affiliations
Dept. of Civil and Environmental Engineering, Sapienza Uni. of Rome, via Eudossiana 18, 00184 Rome, Italy. E-mail: [email protected]
Professor, Dept. of Civil and Environmental Engineering, Sapienza Uni. of Rome, via Eudossiana 18, 00184 Rome, Italy. E-mail: [email protected]
Dept. of Civil and Environmental Engineering, Sapienza Uni. of Rome, via Eudossiana 18, 00184 Rome, Italy. E-mail: [email protected]
Dept. of Civil and Environmental Engineering, Sapienza Uni. of Rome, via Eudossiana 18, 00184 Rome, Italy. E-mail: [email protected]
Dept. of Civil and Environmental Engineering, Università degli Studi di Napoli Federico II, via Claudio 21, 80125 Naples, Italy. E-mail: [email protected]
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