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2015SpringShotcreteEMag

Shotcrete Corner Fig. 6(a): Mockup Fig. 6(b): Arch mockup in layers Fig. 6(c): Wall mockup in single pass Fig. 7(a): Cut through the single pass wall mockup in layers Fig. 7(b): Good encapsulation Table 2: 11-Day Tensile Strength of Bond Test (Second test: Frontier Kemper) Specimen Result Failure Average First layer 1A 150 Glue plane Three layers, prep scratch finish 2A 264 Glue plane 216 4 in. (100 mm) each lift 2C 233 Glue plane Second layer 1B 267 Glue plane Three layers, prep scratch finish 1C 244 Glue plane 263 4 in. (100 mm) each lift 2B 278 Glue plane Fig. 8(a): Arch cut, single pass Fig. 8(b): Arch cut, two layers Fig. 8(c): Cut mockup Shotcrete • Spring 2015 37


2015SpringShotcreteEMag
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