Research Article
A Practical Swelling Constitutive Model of Anhydrite and Its Application on Tunnel Engineering
Figure 1
(a) One result of X-ray diffraction analysis. All four anhydrite samples for quantitative analysis show similar peaks as above (a). There are differences between X-ray diffraction analysis result of anhydrite in this paper and that reported by [18]. (b) An anhydrite sample after processing which is bluish-grey.
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