Research On Simulated Great Wall Empty Drum Grouting Reinforcement Technology

Early people’s consciousness about the protection of cultural relics and ancient buildings was weak,the technology for repairing ancient buildings was limited,and natural factors were damaged,which caused damage and collapse of ancient buildings.With the continuous improvement of living standards,people are paying more and more attention to spiritual needs.Strengthening the research and protection of the Ming Great Wall is an urgently needed work.After a long period of rain erosion,geological subsidence,animal caves and other human factors and cultural factors lacking awareness of cultural relics protection,the Great Wall of Ming Dynasty was full of scars.Based on the analysis of the main existing diseases of the Great Wall of the Ming Dynasty in Beijing,at the same time,according to the basic principles of ancient building repair and protection,the main reinforcement methods were proposed.During the test,reinforcement was performed by simulating the Ming Great Wall construction method and hollow drum defects.The reinforcement methods used were penetration grouting and low-pressure grouting.The self-balance loading device and coring method are used to detect the reinforcement effect.Grouting reinforcement is the most common reinforcement measure in existing building reinforcement construction,but under some special operating environment conditions,the grouting method is not mature in theory or experience.A series of influencing factors such as grouting method and grouting pressure must be considered.Therefore,the process of grouting reinforcement for the Great Wall is summarized through experiments.By studying the methods and measures applicable to the protection and repair of the defects of the Great Wall empty drum,it can provide important theoretical basis and reference value for the future protection of the existing ancient buildings in China.Figure43;Table13;Reference64...