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《ENGINEERING BLASTING》 1995-01
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DYNAMICS STUDIES ON THE IMPACT OF BLASTING UPON CAST-IN-PLACE CONCRETE WALL STRENGTH IN SHAFT SINKING

Huang Qi;Hu Feng(Shandong Mining Institute)  
This paper, on the basis of elastic mechanics and the theory of shells,discusses a crux problem in the recently popular method of short sectional shaft sinking-the impact of blast vibration upon cast-in-place concrete wall strength,The analytic solution for its whole stress distribution has deduced and verified with the test data.Thus,the substance and law of the impact is preliminarily expounded,which will provide decisionmaking ba-sis for improving the quality of mine shaft construction.
【CateGory Index】: TD235.11
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