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Çѱ¹°Ç¼³°ü¸®ÇÐȸ / v.8, no.5, 2007³â, pp.142-151
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( Economical Analysis and Estimate Method of Possible Working Hours for Marine Rock Excavation Work Regarding the Tide Cycle )
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The rock excavation work on the sea is planned as underwater process if the elevation of the rock is lower than the M.S.L.(Mean Sea Level). However, in case of West and South sea which are largely different between the rise and fall of the tide, the earth work can be performed on the ground while the work surface is exposed above the sea according to the tide cycle. Thus, it may a good substitute to make up for shortcomings of underwater construction works such as safety problems of workers, loss of efficiency and increasement of construction costs. But the difference between the height of the rock excavation surface and the water surface changed by the tide makes the exposure time of work surface, that is the possible working hours be changed. Also, it may cause the changes of construction cost. Thus, this study analyzes the economical efficiency of the construction method using the difference between the rise and fall of the tide in comparison with the construction method which is performed under the sea, and it also suggests the way to analyze the economical working hours by estimating the possible working hours on the ground. We also try to find out the application possibility of the way like the rock excavation work on the sea using the difference between rise and fall of the tide.
 
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ÇØ»ó°ø»ç;¼öÁß ¾Ï±¼Âø;Á¶¼®;ÀÛ¾÷°¡´É½Ã°£;Marine Construction;Underwater Rock Excavation;Tide;possible working hours;
 
Çѱ¹°Ç¼³°ü¸®ÇÐȸ³í¹®Áý / v.8, no.5, 2007³â, pp.142-151
Çѱ¹°Ç¼³°ü¸®ÇÐȸ
ISSN : 2005-6095
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200709905855933)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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