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Ground Improvement Case Histories by Cholachat Rujikiatkamjorn, Jian Chu, Buddhima Indraratna

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Chapter 4

Use of Jet Grouting in Deep Excavations

Dazhi Wen    Geotech & Tunnel Consult, Singapore

Abstract

Jet grouting is an increasingly used technique for in situ soil improvement in many types of soils, especially in soft clays such as the Singapore marine clay. Among many of its applications, one of the common uses is to improve the ground for deep excavations. In this chapter, quality assurance and quality control for jet grouting works, properties of jet grouted piles, and design and construction issues associated with the use of jet grouted slabs at the base of excavations are presented. These topics are discussed with reference to jet grouting applications in the construction of the cut and cover tunnels at Race Course Road and in ...

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