Short-Term Gradation Loading Creep Properties and Failure Characteristics of High-Strength Fly Ash Concrete for Underground Engineering

<div>Creep-time (<i>ε</i><sub>cp</sub>-<i>t</i>) curves of concrete mixed with fly ash replacement ratios of (a) 0, (b) 20, (c) 35, and (d) 50 wt% during gradation loading.</div>

Advances in Civil Engineering

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Figure 4

Figure 4: Short-Term Gradation Loading Creep Properties and Failure Characteristics of High-Strength Fly Ash Concrete for Underground Engineering 