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spec: The crunch would come at a bad time . Low sodium silicate-slag ratios adversely affected the resistance to repeated freezing and thawing cycles but improved the resistance to chloride ion penetration . The strainmeter is then installed in a bath of expansive grout within the cored section of the hole . The tiltmeter is then installed in a bath of expansive grout within the cored section of the hole . The purpose of the grants is to support presentation of the applicant 's original research or creative effort . In its journal entry , the district court found that bridging and slippage explained why there was not 20 feet of grout in the annular area of the wells .