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RQD(Rock Quality Designation)

ÀÛ¼ºÀÚ Uploader : m3d29 ÀÛ¼ºÀÏ Upload Date: 2005-08-16º¯°æÀÏ Update Date: 2005-08-16Á¶È¸¼ö View : 1695

RQD(Rock Quality Designation)

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RQD(%) = Ls10 / Lt * 100

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Ls10:10cm ÀÌ»óÀ¸·Î ȸ¼öµÈ ÄÚ¾Æ(core)ÀÇ ±æÀÌÀÇ ÇÕ
Lt  :Àüü º¸¸µ(boring)ÀÇ ±æÀÌ

RQD°ª°ú ¾ÏÁúÀÇ °ü°è´Â ´ÙÀ½°ú °°´Ù.

 RQD      ¾ÏÁú
-------- --------
 0~25    Ãʺҷ®
25~50    ºÒ  ·®
50~75    º¸  Åë
75~90    ¾ç  È£
90~100   ¿ì  ¼ö

*** Âü°í¹®Çå[References] ***

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RQD = Ls10 / Lt * 100
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