Concrete aggregate alkali activity verification method and model
A concrete aggregate and verification method technology, which is applied in the field of concrete aggregate alkali activity verification method and its model, can solve the difficulty of fully satisfying the concrete aggregate alkali activity verification, inaccurate aggregate alkali activity verification results, one-sided verification results, etc. problem, to achieve the effect of reducing the difficulty of detection, reducing deviation and improving accuracy
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[0041] A concrete aggregate alkali activity verification method,
[0042] Select the components of the concrete aggregate alkali activity verification device, which include a volumetric bottle 3, a rubber stopper 4, and a U-shaped tube 1, and an indicating liquid 2 is arranged in the U-shaped section of the U-shaped tube 1; the height of the indicating liquid is h ;
[0043] Grind the aggregate used to prepare concrete into fine sand with a sander, put the aggregate, cement, and water into the volumetric bottle 3, stir evenly with a small tamping rod, so that the hydration reaction occurs, and then place it statically 1d, and after ensuring that the mortar hydration reaction is complete, the mortar is in a dry state, that is, it is extruded without water, and then the sodium hydroxide solution with a molar concentration of 1mol / L is loaded into the volumetric flask 3, and the addition amount is 1mol / L to submerge the mortar , then use the rubber stopper 4 to cover the mouth o...
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