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EXPERIMENTAL STUDY ON THE EXPLOSION CRATER OF ICE-RICH FROZEN SOIL ALONG QINGHAI—TIBET RAILWAY
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Abstract Qinghai—Tibet railway is now being built，and much more frozen soil is needed to be blasted. However，only a few research works on the blasting of frozen soil had been performed. A number of explosion crater tests on ice-rich frozen soil were carried out along Qinghai—Tibet railway. The optimum depth and maximum volume are obtained，and the optimum blasting parameters are also achieved.
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Received: 30 March 2004
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