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- »ç¸éÇؼ®ÇÁ·Î±×·¥À»
ÀÌ¿ëÇÑ ´Ù¾çÇÑ °ø¹ý¼³°è
- »ç¸éº¸°°ø¹ý ¼³°è : Soil nailing, Rock bolt,Anchor, »ç¸é¾ïÁö¸»¶Ò
- ¹ý¸éº¸È£°ø¹ý ¼³°è : ³ì»ýÅä, ¼ôÅ©¸®Æ®, ÇöÀ埼³ºí·°, ³«¼®¹æÁö¸Á, ³«¼®¹æÁöÃ¥ |
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¡Ø ´ÙÀ½ <Ç¥1>Àº ÀϺ» ÅäÁö°øÇÐȸ¿¡¼ ¹ß°£ÇÑ ÀÚ·á¿¡ ¼ö·ÏµÈ È°µ¿¿¡ ´ëÇÑ ¾ÈÀüÀ²°ú
±¸Á¶¹°ÀÇ ¾ÈÁ¤¼ºÀ̸ç, <Ç¥2>´Â Bowles°¡
Á¦¾ÈÇÑ »ç¸é Æı«¿¡ ´ëÇÑ ¾ÈÀüÀ²ÀÇ ±âÁØÀÌ´Ù. |
<Ç¥1> È°µ¿¿¡ ´ëÇÑ
¾ÈÀüÀ²°ú ±¸Á¶¹°ÀÇ ¾ÈÁ¤¼º |
¾ÈÀüÀ² |
¾È
Á¤ ¼º |
<
1.0 |
ºÒ¾ÈÁ¤ |
1
~ 1.2 |
¾ÈÁ¤¼º¿¡ Àǹ®ÀÌ ÀÖ´Ù. |
1.3
~ 1.4 |
»ç¸é¼ºÅä¿¡´Â ¸¸Á·ÇÏ°í Earth dam¿¡´Â Àǹ®ÀÌ
ÀÖ´Ù. |
>
1.5 |
Earth dam¿¡´Â ¾ÈÀü ¶Ç´Â ÁöÁøÀ» °í·ÁÇÒ ¶§
ÇÊ¿ä |
|
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* Source : ÀϺ»ÅäÁú°øÇÐȸ |
<Ç¥2> È°µ¿¿¡ ´ëÇÑ ¾ÈÀüÀ²°ú ±¸Á¶¹°ÀÇ ¾ÈÁ¤¼º |
¾ÈÀüÀ² |
°á
°ú |
Fs
< 1.07
|
Æı«¹ß»ý(Failures are common) |
1.07
< Fs < 1.25 |
Æı«°¡ ¹ß»ýÇϱ⵵ ÇÑ´Ù.(Failures do occur) |
Fs
> 1.25 |
Æı«°¡ °ÅÀÇ ¹ß»ýÇÏÁö ¾Ê´Â´Ù.
(Failures almost never occur). |
|
|
* Source : J. E Bowles(1979) |
¡Ø ´ÙÀ½ <Ç¥3>Àº Duncan(1992)°ú Buchibni(1975)ÀÌ
Á¦¾ÈÇÑ, »ç¸éÆı«¿¡ µû¸¥ º¹±¸ºñ¿ë ¹× Àθí°ú Àç»ê ÇÇÇØÁ¤µµ ±×¸®°í
Àü´Ü°µµ¿¡ °üÇÑ ½Å·Úµµ¿¡ µû¶ó ÀûÀýÇÑ Çã¿ë¾ÈÀüÀ²À» Á¦½ÃÇÑ °ÍÀÌ´Ù. |
<Ç¥3> °ËÅäÁ¶°Ç¿¡ µû¸¥
Çã¿ë ¾ÈÀüÀ² |
Costs
and Consequences
of Slope Failure |
Uncertainty
of Strenth Measurement |
small |
large |
|
Cost of repair comparable
to
cost of construction.
No danger to human life or other
property if slope fails
|
1,25 |
1.5 |
Cost of repair much greater than
cost of construction or danger to
human life or other
Valuable property if slope fails |
1.5 |
2.0 or Greater |
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»ç¸éÀÇ ÃÖ¼Ò ¾ÈÀüÀ²Àº Áö¿ª°ú °ø»ç³»¿ë, »ç¸éÀÇ Áß¿äµµ, »ç¸éÆı«½Ã ÁÖº¯¿¡ ¹ÌÄ¡´Â ¿µÇâ ¹× °æÁ¦¼º¿¡
µû¶ó ´Ù¸£¸ç »ç¸é¾ÈÁ¤
Çؼ®¿¡ ¾Õ¼ ÃÖ¼Ò¾ÈÀüÀ²ÀÇ ¼±Á¤Àº ¸Å¿ì Áß¿äÇϳª, ÃÖ¼Ò¾ÈÀüÀ²À» °è»êÇÔ¿¡ ÀÖ¾î¼ ÁöÇϼöÀÇ È帧°ú ÅäÁúÀÇ
¹°¸®Àû,¿ªÇÐÀûÀÎ
¼ºÁú (Àü´Ü°µµ)¸¦ ¾î¶»°Ô º¸´Â°¡¿¡ µû¶ó ¾ÈÀüÀ²Àº »ó´çÇÑ Â÷À̸¦ º¸¿©ÁØ´Ù.
±¹³»¿Ü¿¡¼ Àû¿ëµÇ´Â Çã¿ë¾ÈÀüÀ²¿¡ ´ëÇÑ ¼³°è ±âÁØÀº ´ëü·Î 1.1¢¦1.5 Á¤µµÀÇ ¹üÀ§¸¦ °¡Áö¸ç, ÀýÅä»ç¸é¿¡
´ëÇÑ ÃÖ¼Ò¾ÈÀüÀ²
±âÁØÀ» ´ÙÀ½ <Ç¥4>¿¡ ³ªÅ¸³»¾ú´Ù. |
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<Ç¥3> °ËÅäÁ¶°Ç¿¡ µû¸¥ Çã¿ë ¾ÈÀüÀ² |
|
±¸ ºÐ |
ÃÖ¼Ò¾ÈÀüÀ² |
ÁöÇϼöÀ§ ¿µÇâ |
°Ç
±â
|
F.s >
1.5 |
ÀÎÀå±Õ¿¸éÀ̳ª È°µ¿¸éÀ»
µû¶ó
¼ö¾ÐÀÌ ÀÛ¿ëµÇÁö ¾ÊÀ½. |
¿ì ±â |
F.s >
1.2 |
ÀÎÀå±Õ¿¸éÀ̳ª È°µ¿¸éÀ»
µû¶ó Àû¿ëµÇ´Â ¼ö¾ÐÀ»
Hw=¨ö H (Zw=¨ö Z)·Î °¡Á¤ÇÏ¿© Àû¿ë(°¡)
¼Ò±Ô¸ð ¾Ï±«ÀÇ ÀÎÀå±Õ¿¿¡¼´Â ÁýÁß°¿ì ȯ°æ Á¶°ÇÀ» (³ª) °í·ÁÇÏ¿©
Hw = H(Zw = Z)·Î Àû¿ë. |
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