Discussion and Suggestions on the Construction Technology of Heavy Consolidation Grouting without Cover Before the Construction of Heavy Consolidation Grouting without Cover, the test grouting should be conducted to determine the construction parameters. Based on the previous construction experience, uncapped heavy consolidation grouting must be carried out under the condition of perfect technology and measures. According to the geological condition of foundation rock face, dynamic optimization of consolidation grouting is a work which saves money, time and can obtain good grouting effect.