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meizu29: ½ð±Ò+20, ¡ï¡ï¡ïºÜÓаïÖú, ·Ç³£¸ÐлÄãµÄ°ïÖú 2016-01-15 08:57:47
ËäÈ»ÒÔÍù¶Ô ÁÑ϶ÑÒÌå ÉøÍ¸Â浀 Ñо¿ÄÚÈÝ ¼°·½·¨ ·Ç³£¹ã·º£¬Ò²È¡µÃÁË ºÜ´óµÄ³É¹û£¬µ«Æä Ñо¿¾ßÓÐÒ»¶¨µÄ ÇøÓò¾ÖÏÞÐÔ£¬¶øÕë¶Ô ÈýÏ¿¿âÇø ÁÑ϶ÑÒÌå ÔÚ ²»Í¬ÐîË®Ìõ¼þÏÂµÄ ÉøÁ÷ÌØÕ÷Ñо¿ Ïà¶Ô½ÏÉÙ£¬ÌرðÊÇ Ð¶ºÉÌõ¼þÏ µÄÉøÁ÷ÌØÐÔÑо¿ ¸üÉÙ£¬¶øÈýÏ¿¿âÇø ¿â°¶±ßÆÂ ÓÉÓÚ Êܹ¤³Ì¿ªÍÚ ¼° ¿âˮλ½µµÍµÄ Ó°Ïì ³£Ôì³É ÑÒÌåжºÉµÄ Çé¿ö¡£
Although there have been extensive research contents and research methods on the permeability of fractured rock mass, with substantial results being achieved, these researches are inferior for the regional limitations. In addition, there have been few researches on the seepage characteristics of fractured rock mass under different impounding conditions in three gorges area, especially fewer researches on seepage characteristics under unloading condition. However, the unloading situation of rock mass of bank slopes in three gorges area is usually formed due to effect of engineering excavation and decreased reservoir level.
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