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

<div>Creep strain-time curves (<i>ε</i><sub>cp</sub>-<i>t</i>) of concrete with fly ash replacement ratios of (a) 0, (b) 20, (c) 35, and (d) 50 wt% under different stress levels.</div>

Advances in Civil Engineering

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Figure 6

Figure 6: Short-Term Gradation Loading Creep Properties and Failure Characteristics of High-Strength Fly Ash Concrete for Underground Engineering 