An Experimental Study on the Mechanical Properties of Shotcrete

Mitsuhiro Sezaki, Tetsurou Kibe, Yasuaki Ichikawa, Toshikazu Kawamoto

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

In the last decade, the use of shotcrete in tunnel construction has rapidly increased and the shotcrete has become an important element of the modern tunnel support techniques. Nevertheless, the properties of shotcrete have not been sufficiently investigated. This paper presents the results of an experimental program to evaluate the properties of shotcrete relevant to the tunnel support systems. In the experiments the cubic specimens were prepared and tested to obtain the mechanical properties, especially the strength and Young's modulus in relation to curing time. From these results, the relationship among the uniaxial compressive strength, Young's modulus, curing time, failure strain and ultrasonic velocity are proposed and their relevancy are discussed.

Original languageEnglish
Pages (from-to)1336-1340
Number of pages5
JournalJournal of the Society of Materials Science, Japan
Volume38
Issue number434
DOIs
Publication statusPublished - 1989
Externally publishedYes

Keywords

  • NATM
  • Shotcrete
  • Strength
  • Ultrasonic velocity
  • Young's modulus

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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