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노유송 ( You-song Noh ),김래회 ( Nae-hoi Kim ),장성옥 ( Seong-ok Jang ),석철기 ( Chul-gi Suk ),박훈 ( Hoon Park ) 대한화약발파공학회 2021 화약발파 Vol.39 No.1
The number of a industrial plant that must be demolished due to functional and structural deterioration has been increased. There is an increasing application of explosive demolition or explosive demolition combined with mechanical demolition to minimize temporal and spatial environmental hazardous factors created during the process of demolition. In this case study, to demolish the industrial plant foundation, which is a reinforced concrete structure, the explosive demolition technique was conducted. As a result of the explosive demolition, the overall crushing of plant foundation structure was satisfactory, and the explosive demolition was completed without causing any damage to surrounding facilities.
석철기 ( Chul Gi Suk ),박훈 ( Hoon Park ),김래회 ( Nae Hoi Kim ),송영석 ( Young Suk Song ),정우진 ( Woo Jin Jung ),한동훈 ( Dong Hun Han ) 대한화약발파공학회 2010 화약발파 Vol.28 No.2
Soongeui complex stadium is a reinforced concrete frame structure composed of columns, slabs and beams. The stadium, however, is also a special structure because it has a tall tower of electronic display board and slabs inside its own structure which is different from the structures that had been demolished using blasting by then. Explosive demolition for the stadium was carried out from the left-hand side of the outfield stand to the right considering 2 rows of columns supporting the stand as a blasting unit. An overturning demolition method was applied to the tower of electronic display board. Water bags that played the role of multipurpose protection were applied to control the dust. As a result, the demolition project of the special structure of Soongeui complex stadium was judged to be a great success.
박훈 ( Hoon Park ),장성옥 ( Seong Ok Jang ),박형기 ( Hyong Ki Park ),김래회 ( Nae Hoi Kim ),석철기 ( Chul Gi Suk ) 대한화약발파공학회 2008 화약발파 Vol.26 No.2
Recently the demand of demolition for the unnecessary cylindrical silo structure is increasing due to deterioration and unsatisfactory functional conditions and the issue of demolition is becoming a major highlight. This case study introduced the explosive demolition of the cylindrical silo structure by felling method. The results of explosive demolition conducted on cylindrical silo structure using the felling method show, A silo had collapsed precisely according to estimated direction but in case of B silo there was a minor difference. The lower columns and ring girder support was designed to the hinge line but in reality the lower columns of the silo did not do its structural support role and only the ring girder support did its role successfully. As for the impact vibration, most of the measurements were within the estimated range.
박훈 ( Hoon Park ),노유송 ( You-song Noh ),남성우 ( Sung-woo Nam ),장성옥 ( Seong-ok Jang ),김래회 ( Nae-hoi Kim ),석철기 ( Chul-gi Suk ) 대한화약발파공학회 2021 화약발파 Vol.39 No.2
Recently, the demand for demolition for the unnecessary steel frame structure is increasing due to deterioration and unsatisfactory functional conditions and the major highlights of demolition issues. This execution case was intended to describe an application of the felling method as one about the suggested method for explosive demolition method of ore bin and coke bin facilities, which were steel frame structures. And we used the charging container for blast cutting of the steel frame structure. As a result of the explosive demolition, the ore bin and coke bin had collapsed precisely according to the estimated direction. And the explosive demolition was completed without causing any damage to surrounding facilities.