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Çѱ¹¼öÀÚ¿øÇÐȸ / v.6, no.2, 1973³â, pp.12-18
»ç¿ªÀç·áÀÇ µ¿±â¼ºÅä¿¡ °üÇÑ ½ÇÇèÀû¿¬±¸
( Experimental Study on the Sand and Gravel Embankment in Winter Season )
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º» ³í¹®Àº µ¿±â¿¡ »ç¿ªÀ» ¼ºÅäÇϱâ À§ÇÑ °¡´É¼ºÀ» °ËÅäÇÏ¿© ½ÇÁ¦½Ã°ø¿¡ °øÇåÇÏÀÚ´Â µ¥¿¡ ±â ¸ñÀûÀÌ ÀÖ´Ù. Æò»ó½ÃÀÇ ¼ºÅä±âÃøÀº ´ÙÀ½°ú °°´Ù. 1) Àç·áÀÇ ÃÖ´ë°æÀº 30cm ÀÌÇÏ·Î ÇÏ°í »çºÐÇÔÀ¯À²Àº Áß·®ºñ·Î¼­ 60% ÀÌÇÏ¿©¾ß ÇÑ´Ù. 2) »êÆ÷µÎ²²´Â 60cm ÀÌÇÏ·Î ÇÏ°í °¢Ãþ¸¶´Ù 11ton Áøµ¿·Î ¶ó·Î ĥȸÀÌ»ó ´ÙÁ®¼­ »ó´ë¹Ðµµ°¡ 60%ÀÌ»óÀÌ µÇ°Ô ÇÏ¿©¾ß ÇÑ´Ù. ±×·¯³ª µ¿±âÀÇ »ç¿ª¼ºÅ並 °¡´ÉÇÏ°Ô Çϱâ À§ÇÏ¿© »ó±âÀÇ Æò»ó½Ã ±âÁØ¿¡ ¾Æ·¡¿Í °°Àº Á¶°ÇÀ» ÷°¡ÇÏ¿´´Ù. 3) »çºÐÇÔÀ¯À²Àº 25% ÀÌÇÏ·Î Çϰí ÇÔ¼öºñ´Â 4% ÀÌÇÏ·Î ÇÒ °Í. 4) ÀÛ¾÷Áß¿¡´Â ÃÖ´ëÀÇ ¿Âµµ°¡ ÃÖ¼Ò¿µÇÏ $7^{circ}C$ÀÌ¸ç Æò±ÕÀ¸·Î ¿µÇÏ $3^{circ}C$·ÎÇÏ¿© Áö¼ÓÀÛ¾÷À» ½ÃÇàÇÒ °Í ÀÌ»ó°ú °°Àº ±âÁØÇÏ¿¡¼­ °¢Á¾ ½ÃÇèÀ» ½Ç½ÃÇÏ°í ±â°á°ú·Î¼­ ´ïÀÇ ¾ÈÁ¤¼ºÀ» °ËÅäÇÏ¿© º»±âÁØÀÇ Å¸´ç¼ºÀ» ÀÔÁõÇÏ°í ½ÇÁ¦¼ºÅä¿¡ Àû¿ëÇÒ ¼ö ÀÖÀ½À» È®ÀÎÇÏ¿´´Ù.
This paper describes the study and test for sand and gravel embankment in winter season and also contribute to the development of construction method for the practical purposes. In order to make possible sand and gravel embankment in winter season, at first, the following eriteria on work are given under the normal weather condition: 1) The maximum diameter of material shall not exceed 30cm and sand content which is the ratio of the weight of sand to gravel shall not exceed 60% 2) Spreading depth shall not exceed 60cm each layer of material shall be compacted by over 6 times passing by thell ton smooth drum type of uibratory roller and the relative density shall exceed 60% In addition to the above conditions, the following criteria are given as winter season condition. 3) Sand contsnt shall not exceed 25%, and water content shall not exceed 4% 4) Dwing construction, the air temperature should be $70^{circ}C$ below zero at minimum and $3^{circ}C$ below zero onthe average and all the construction work should he continued without intersuptions. With above criteria, it is come to a conclusion that the conclusion that the construction of sand and gravel embankment in winter season will be done satisfactorily without any difficulty. On the basis of these criteria an actual construction was practiced and it was proved that those criteria are applicable to actual embankment of materials.
 
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Çѱ¹¼öÀÚ¿øÇÐȸÁö / v.6, no.2, 1973³â, pp.12-18
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1738-9488
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO197311920088356)
¾ð¾î : Çѱ¹¾î
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