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Get PriceShotcrete is pumped concrete and transported to the wet spraying machinery by pipe. The slump of the shotcrete should be controlled at 80–120 mm for transportation ( MOHURD 2011 ). The test result ( Table 6 ) shows that all gradation sand ratios of CGC up to the standard expect for the 0 gradation sand ratio.
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Get Price•• Cost Savings--Long term service life and maintenance cost Long term service life and maintenance cost ... Latex Concrete Mix Design Fine Aggregate (Sand) Fine Aggregate (Sand) --1575 1575 --1855 lbs/cy1855 lbs/cy ... Type III Mix --2 day cure –1 wet / 1 dry Rapid Set Mix Rapid Set Mix --3 hrs wet = 2500 psi 3 hrs wet = 2500 psi.
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Get PriceSuch properties however brought a significant positive contribution to shotcrete in that the rebound was found to be much lower compared to virgin aggregate mixes in both wet-mix and dry-mix shotcrete. Reduction was seen in both material as well as fiber rebound in fiber reinforced shotcrete mixes.
Get PriceSuperstructure concrete mix: The 80 MPa superstructure concrete mix contained silica fume (10% of binder) along with fly ash (13% of binder) and specially selected admixtures. Maximum aggregate size 20mm. Designed to be almost self-consolidating in consistence with slump flow typically 600mm this mix …
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Get PriceThe proprietary mix that we use allows this high strength shotcrete to develop a compressive strength of 6000+ PSI in 7 days. Engineering studies have indicated a 1-inch thick lining of this material on the inside of the pipe will improve the load carrying capability to H80.
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