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온도조건에 따른 균열주입제의 변형특성에 관한 실험적 연구
배준영 ( Bae Jun-young ),김재성 ( Kim Jae-sung ),곽주호 ( Kawk Ju-ho ),주동철 ( Joo Dong-chul ),김정환 ( Kim Jung-hwan ) 한국구조물진단유지관리공학회 2005 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.9 No.1
As use of crack repair materials in construction fields, much more research is required to fully investigate the properties of crack repair materials such as epoxy resins and silicates. Information concerning overall properties becomes more important and engineers require as more information about properties of such crack repair materials. The purpose of this study was to investigate the characteristics of bending deformation of two specific crack repair materials, namely epoxy resins and silicates, those are cured for 7 days at a temperature of 5°C, 20and 40°C. It is believed that the bending strength of epoxy resins is higher than silicates but silicates are more tough than epoxy resins. And both materials have a tendency to improve hardening performance as for increasing temperature, but silicates are more influenced by temperature.
온도변화에 따른 표면보호재의 부착성능 및 변형 특성에 관한 실험적 연구
배준영 ( Bae Jun-young ),강석표 ( Kang Suc-pyo ),주동철 ( Joo Dong-chul ),김정환 ( Kim Jung-hwan ) 한국구조물진단유지관리공학회 2006 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.10 No.1
Normally, using coating material could result in different performance according to the various changes of environments or operation conditions. For these reasons, there are decreasing tendency for the durability, beauty and scenery of structures as the separation or exfoliation occurred after operation. Especially we must find out not only bond strength characteristics of coating material under temperature conditions but also bond strength reduction under heating-cooling repeat test because Korea has four distinct seasons. In this paper, the deformation and bond strength characteristics of coating material have been investigated, and we suggest some preliminary data of coating material for its best performance under various temperature condition.
최강현 ( Kang-hyeon Choi ),유종원 ( Jong-won Yu ),유강현 ( Kang-hyeon Yu ),주동철 ( Dong-chul Joo ),박현주 ( Hyun Joo Park ),박대우 ( Dae Woo Park ) 한국정보처리학회 2019 한국정보처리학회 학술대회논문집 Vol.26 No.2
South Korea's per capita alcohol consumption ranking is 14th in the world, but it ranks first in the world for binge drinking. In society, dining and dining culture is developed, which leads to drinking. He often puts his hands on the wheel in a relaxed way after drinking. To prevent this situation from happening in advance, a Bluetooth module is installed in the aduino circuit to transmit the measured alcohol level to the smartphone and measure the blood alcohol level.
온도조건에 따른 균열주입제의 변형특성에 관한 실험적 연구
배준영(Bac Jun-young),김재성(Kim Jae-Sung),곽주호(Kawk Ju-Ho),주동철(Joo Dong-Chul),김정환(Kim Jung-Hwan) 한국구조물진단유지관리학회 2005 한국구조물진단학회 학술발표회논문집 Vol.- No.-
As use of crack repair materials in construction fields, much more research is required to fully investigate the properties of crack repair materials such as epoxy resins and silicates. Information concerning overall properties becomes more important and engineers require as more information about properties of such crack repair materials. The purpose of this study was to investigate the characteristics of bending deformation of two specific crack repair materials, namely epoxy resins and silicates, those are cured for 7 days at a temperature of 5℃, 20℃ and 40℃. It is believed that the bending strength of epoxy resins is higher than silicates but silicates are mare tough than epoxy resins. And both materials have a tendency to improve hardening performance as for increasing temperature, but silicates are more influenced by temperature.
온도변화에 따른 표면보호재의 부착성능 및 변형 특성에 관한 실험적 연구
배준영(Bae Jun-Young),강석표(Kang Suc-Pyo),주동철(Joo Dong-Chul),김정환(Kim Jung-Hwan) 한국구조물진단유지관리학회 2006 한국구조물진단학회 학술발표회논문집 Vol.10 No.1
Normally, using coating material could result in different performance according to the various changes of environments or operation conditions. For these reasons, there are decreasing tendency for the durability, beauty and scenery of structures as the separation or exfoliation occurred after operation. Especially we must find out not only bond strength characteristics of coating material under temperature conditions but also bond strength reduction under heating-cooling repeat test because Korea has four distinct seasons. In this paper, the deformation and bond strength characteristics of coating material have been investigated. and we suggest some preliminary data of coating material for its best performance under various temperature condition.
건·습식 복합 분체이송 뿜칠시공시스템의 재료분리저항성에 관한 실험적 연구
배준영 ( Bae Jun-young ),김재성 ( Kim Jae-sung ),김경덕 ( Kim Kyung-deok ),강석표 ( Kang Suk-pyo ),주동철 ( Joo Dong-chul ),김정환 ( Kim Jung-hwan ) 한국구조물진단유지관리공학회 2005 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.9 No.2
Recently repair and reinforcement of large-sized reinforced concrete structures have been interested, because of their early deterioration and durability deterioration as time goes by. And adequate repair method has been required urgently in order to cope with these repair works which are growing bigger and larger. As one of appropriate repair method, spraying method has been discussed and applied job site recently. This study is focused on the examination of quality stabilization dry mortar which is transferred mechanized and automated dry and wet compounded system. It is investigated that two important equipments are transfer hose wave and dry mixing hopper to increase material separation resistivity. In case of material transferred hose wave and dry type mixing hopper, quality stabilization shows much better result than not transferred. And appropriate transfer pressure and distance to decrease material separation is 0.8~0.9 bar and 150m. It is believed that the effect of shortening term of works and cost reduction will be expected by this mechanized and automated concrete repair system
건ㆍ습식 복합 분체이송 뿜칠시공시스템의 재료분리저항성에 관한 실험적 연구
배준영(Bae Jun-young),김재성(Kim Jae-Sung),김경덕(Kim Kyung-Deok),강석표(Kang Suk-Pyo),주동철(Joo Dong-Chul),김정환(Kim Jung-Hwan) 한국구조물진단유지관리학회 2005 한국구조물진단학회 학술발표회논문집 Vol.9 No.2
Recently repair and reinforcement of large-sized reinforced concrete structures have been interested, because of their early deterioration and durability deterioration as time goes by. And adequate repair method has been required urgently in order to cope with these repair works which are growing bigger and larger. As one of appropriate repair method, spraying method has been discussed and applied job site recently. This study" is focused on the examination of quality stabilization dry mortar which is transferred mechanized and automated dry and wet compounded system. It is investigated that two important equipments are transfer hose wave and dry mixing hopper to increase material separation resistivity. In case of material transferred hose wave and dry type mixing hopper, quality stabilization shows much better result than not transferred. And appropriate transfer pressure and distance to decrease material separation is 0.8~0.9 bar and 150m. It is believed that the effect of shortening term of works and cost reduction will be expected by this mechanized and automated concrete repair system.