Abstract: Since the grouting in goaf area is a concealed project, how to control its quality is a big problem.It is difficult to certify the grouting effect via single inspecting method, and a satisfied result can be obtained by adopting the comprehensive tests with various methods under economical and reasonable condition.Combining with a practical project case, the inspection contents, method and data interpretation of grouting quality are studied, thus providing a reference for similar detection project design and construction.

Key words: Goaf, Grouting consolidation, Inspecting measure, Data interpretation