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한국건축시공학회> 한국건축시공학회 학술발표대회 논문집> 혼화재 혼입 콘크리트에 매립된 철근의 부식 임계염화물 산정에 관한 실험적 연구

혼화재 혼입 콘크리트에 매립된 철근의 부식 임계염화물 산정에 관한 실험적 연구

An Experimental Study on Corrosion Critical Chloride Contents of Rebar Embedded in Concrete with Admixture

박장현 ( Park Jang-hyun ) , 이한승 ( Lee Han-seung )
  • : 한국건축시공학회
  • : 한국건축시공학회 학술발표대회 논문집 18권2호
  • : 프로시딩
  • : 2018년 11월
  • : 40-41(2pages)

DOI


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The purpose of this study is to compare the amount of critical chloride of rebar embedded in concrete according to the substitution rate of admixture. In order to determine the starting point of corrosion of rebar, electrodes were embedded in concrete, chloride was supplied, and OCP of rebar was observed in real time. The amount of the contaminants in the concrete surrounding the rebar was judged to be the critical corrosion chloride contents of the rebar at the start of the corrosion. As a result of the comparative evaluation, it was confirmed that the critical chloride contents of the rebar decreased with increasing the substitution ratio of the admixture.

UCI(KEPA)

I410-ECN-0102-2019-500-001443245

간행물정보

  • : 공학분야  > 건축공학
  • :
  • :
  • : 반년간
  • :
  • :
  • : 학술지
  • : 프로시딩
  • : 2001-2019
  • : 2731


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1방수시트의 자동화장비에 대한 적용성 검증

저자 : 김대규 ( Kim Dae-kyu ) , 윤종구 ( Yun Jong-gu ) , 신홍철 ( Sin Hong-cheol ) , 오홍석 ( Oh Hong-seok )

발행기관 : 한국건축시공학회 간행물 : 한국건축시공학회 학술발표대회 논문집 18권 2호 발행 연도 : 2018 페이지 : pp. 4-5 (2 pages)

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The water proofing sheet of synthetic polymer applies to the purification plant, the wastewater treatment center, the low waterway, the dosing tanks, etc, and when we construct these, we apply the dual waterproof by means of hot air staking welder or extruder. However, the experts skilled in the hot air welding or extruder does not use them, it can be a quality problem. Therefore, in this study, it is the purpose to verify whether the semi-automatic hot air staking welder and automatic extruder that can construct the waterproof sheet is possible in field even if it is not a professional specialist.

2현장용 응결시간추정계를 이용한 고염화물 모르타르의 응결시간 추정

저자 : 이혁주 ( Lee Hyuk-ju ) , 한준희 ( Han Jun-hui ) , 현승용 ( Hyun Seong Yong ) , 신용섭 ( Shin Yong-seop ) , 이준석 ( Lee Jun-seok ) , 한민철 ( Han Min-choel )

발행기관 : 한국건축시공학회 간행물 : 한국건축시공학회 학술발표대회 논문집 18권 2호 발행 연도 : 2018 페이지 : pp. 6-7 (2 pages)

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In the previous study, durometer, namely rubber hardness tester Was used to confirm the possibility of using the setting time of concrete for determination. in this study, the possibility of using condensation time judgment condensation estimation system by comparing the measuring station setting estimation system Measuring needle of the proctor penetration resistance tester by newly making a measurement needle and refining the coagulation estimation system Want to make sure. As a result of this study, it was possible to use one condensation estimation system showing similar correlation between the two types of durometer showing high correlation with the penetration resistance value of proctor testers, It is considered to be fruitful to use the dew condensation estimation system for determining the setting time.

3자유형상 커튼월 구현을 위한 3D 프린팅을 활용한 스마트노드 시스템의 연구

저자 : 나상호 ( Na Sangho ) , 유승규 ( Yoo Seungkyu ) , 박영미 ( Park Youngmi ) , 박정준 ( Park Jungjoon ) , 김성진 ( Kim Sungjin )

발행기관 : 한국건축시공학회 간행물 : 한국건축시공학회 학술발표대회 논문집 18권 2호 발행 연도 : 2018 페이지 : pp. 8-9 (2 pages)

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3D printing has the unique advantage of the ability to customize freeform product even in small quantity. However, we need to select and apply the only necessary parts of it because of the high cost of the manufacturing technology. It is of critical importance in irregular-shaped curtain walls to ensure precision of construction as well as quality fo finish. Complex shape that have structural members at varying angles can have nodes of different shapes making it unfeasible to construct using a general node connection detail. Therefore, this study aims to utilize smart node system using 3D printing as a solution to complex irregular-shaped curtain wall design.

4건축물의 창틀과 벽체 사이 열교 차단을 위한 단열공법 개발

저자 : 박철용 ( Park Cheol-yong ) , 김웅회 ( Kim Woong-hoi ) , 이상희 ( Lee Sang-hee )

발행기관 : 한국건축시공학회 간행물 : 한국건축시공학회 학술발표대회 논문집 18권 2호 발행 연도 : 2018 페이지 : pp. 10-11 (2 pages)

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Internal Insulation system is applied to the most apartment building in Korea. However due to the importance of building energy enhanced the interest of the exernal insulation system. The extermal insulation system has better thermal performance because the thermal bridge through the structure are rarely formed. But the thermal bridge around the window decrease the thermal performance of the envelope system. Therefore the technology for reducing the thermal bridge around window improves energy efficiency of the building. In order to this it is necessary to minimize the thermal bridge around window of building. In this study it is aimed to minimize the thermal bridge around the window of building. It was confirmed that the use of thermal bridge barrier imporved the heat transfer rate by 64% or more and the condensation reduction phenomenon by 42% or more compared with the exist technology. These thermal bridge barrier will be used as the main technology to improve the energy efficiency of building.

5벽체철근 일반조립과 부분 선조립 공법의 작업시간 비교에 관한 연구

저자 : 김영길 ( Kim Young-kil ) , 김광희 ( Kim Gwang-hee )

발행기관 : 한국건축시공학회 간행물 : 한국건축시공학회 학술발표대회 논문집 18권 2호 발행 연도 : 2018 페이지 : pp. 12-13 (2 pages)

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Reinforced concrete works account for 40 to 50 percent of the total construction work. However, the shortage of construction workers is a problem in the delay of the construction period of reinforced concrete. The partial rebar prefabrication is one of the ways to shorten construction period. Thus, this study compared the partial rebar prefabrication and field fabrication method through work sampling. As a result, the partial rebar prefabrication showed a significant decrease in time compared to field fabrication method. As a result of this study, it is expected to be used as a reference for the efficient selection of reinforced concrete methods.

6물류시설에 SMART Frame 적용시 효용성 분석

저자 : 손승현 ( Son Seung-hyun ) , 김기호 ( Kim Ki-ho ) , 이준아 ( Lee Jun-ah ) , 김선국 ( Kim Sun-kuk )

발행기관 : 한국건축시공학회 간행물 : 한국건축시공학회 학술발표대회 논문집 18권 2호 발행 연도 : 2018 페이지 : pp. 14-15 (2 pages)

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Logistics facilities are characterized by wide spans and high flooring, most of which are constructed with PC (Precast Concrete) methods to meet a wide range of commercial and industrial needs. However, the PC structure is a pin joint design, and the construction cost is increased due to the restrictions caused by the installation process, and the construction period is lengthened. In order to solve the above problem, SMART Frame, which is a structural system similar to the steel frame structure, was developed by embedding a steel frame at both ends of the PC. The purpose of this study is to analyze the erection time reduction effect of steel connected precast concrete components (SMART frames) for long span and heavy loaded logistics buildings compared to existing PC frames. For this study, a logistics building constructed with pin joint PC components is selected as a case. The result is compared with the existing PC frame to confirm the erection time reduction effect.

7광촉매 활용 광투과 노출콘크리트 블록 및 거푸집 개발

저자 : 서승훈 ( Seo Seung-hoon ) , 강영언 ( Kang Young-un ) , 전승헌 ( Jeon Seung-heon ) , 권시원 ( Kwon Shi-won ) , 김병일 ( Kim Byoung-il )

발행기관 : 한국건축시공학회 간행물 : 한국건축시공학회 학술발표대회 논문집 18권 2호 발행 연도 : 2018 페이지 : pp. 16-17 (2 pages)

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A few years ago, the rapid degradation of domestic air quality has led to the efforts of exhaust gas policy and fine dust mask, but it is not a fundamental measure. In Korea, photocatalyst will be applied to residential and multi-use facilites to purify indoor and outdoor air. Also, in this study, it is tried to produce exposed concrete that is aesthetically pleasing as well as air purification of indoor by combining with light transparent concrete according to the increasing interest in human indoor living environment. For this purpose, we have developed a block formwork for photocatalysis light transparent concrete and established a suitable manufacturing method for on-site construction.

8독립기포형태 기포제를 활용한 기압에 따른 강도 변화에 대한 논문

저자 : 유남규 ( You Nam Gyu ) , 홍상훈 ( Hong Sang Hun ) , 서은석 ( Seo Eun-seok ) , 김해나 ( Kim Han-nah ) , 김봉주 ( Kim Bong Joo )

발행기관 : 한국건축시공학회 간행물 : 한국건축시공학회 학술발표대회 논문집 18권 2호 발행 연도 : 2018 페이지 : pp. 19-20 (2 pages)

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초록보기

As energy related problems continue to arise, Korea's thermal insulation market for the zero energy homes is also demanding major changes, but there are no realistic countermeasures. Also, interest in inorganic insulation is growing as damage from multifamily housing fire using flammable insulation materials is increasing. On the other hand, many studies have been conducted on lightweight foam concrete, which implies a sufficient possibility as an insulation material by generating a large amount of air bubbles. However, studies of existion bubble concrete are not quantified by the experimental difficulty of using bubbles when compared. Therefore, in this study, the change in strength due to air pressure using a bubble foam, one of the types of air bubbles for the development of light foam concrete.

9Mock up test를 통한 석탄가스화 발전슬래그를 잔골재로 사용한 콘크리트의 현장적용 가능성 분석

저자 : 한준희 ( Han Jun Hui ) , 이영준 ( Lee Young Jun ) , 현승용 ( Hyun Seung Yong ) , 한민철 ( Han Min Cheol ) , 윤기원 ( Yoon Ki Won ) , 한천구 ( Han Cheon Goo )

발행기관 : 한국건축시공학회 간행물 : 한국건축시공학회 학술발표대회 논문집 18권 2호 발행 연도 : 2018 페이지 : pp. 21-22 (2 pages)

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In this study, the characteristics of the Mock-up test were reviewed to analyze the applicability of the coal gasification slag (CGS) from the integrated gasification combination Cycle (IGCC) to the concrete fine aggregate. The analysis shows that CGS and crushed sand mix is the best combination of CGS combined with about 50 % of CGS based on the effects of promoting liquidity and strength. This is expected to be a positive factor in securing the strength and flexibility of concrete given the optimal mix of CGS, and may also contribute to the improvement of quality.

10음이온교환수지 혼입 시멘트 모르타르의 압축강도 및 염소이온 침투 저항성에 관한 실험적 연구

저자 : 정도현 ( Jung Do-hyun ) , 이윤수 ( Lee Yun-su ) , 이한승 ( Lee Han-seung )

발행기관 : 한국건축시공학회 간행물 : 한국건축시공학회 학술발표대회 논문집 18권 2호 발행 연도 : 2018 페이지 : pp. 23-24 (2 pages)

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(기관인증 필요)

초록보기

Reinforced concrete is a building material that is generally used in modern society. Also, reinforced concrete structures in high salinity environments have low durability due to corrosion of reinforcing bars due to infiltrated chlorine ions. Anion exchange resins have an ability to immobilize chlorine ions in the resin while releasing their anions. As a material, it has already been shown that it is possible to fix the chloride ion inside the cementitious material through the cement mortar experiment. The purpose of this study is to confirm the compressive strength of cement mortar using powdered anion exchange resin after powdering an anion exchange resin. In order to confirm the chloride ion fixation ability of the powder anion exchange resin, chlorine ion penetration resistance test was carried out.

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한국공간구조학회지
20권 1호 ~ 20권 1호

KCI등재

한국건축시공학회지 (JKIBC)
20권 1호 ~ 20권 1호

KCI등재

의료·복지 건축(구 한국의료복지시설학회지)
25권 4호 ~ 25권 4호

건설기술논문집
38권 2호 ~ 38권 2호

한국건축시공학회 학술발표대회 논문집
19권 2호 ~ 19권 2호

건축시공
19권 3호 ~ 19권 3호

KCI등재

한국공간구조학회지
19권 4호 ~ 19권 4호

건축시공
19권 4호 ~ 19권 4호

KCI등재

한국건축시공학회지 (JKIBC)
19권 6호 ~ 19권 6호

KCI등재

한국건축시공학회지 (JKIBC)
19권 5호 ~ 19권 5호

KCI등재

의료·복지 건축(구 한국의료복지시설학회지)
25권 3호 ~ 25권 3호

KCI등재

한국공간구조학회지
19권 3호 ~ 19권 3호

KCI등재

한국건축시공학회지 (JKIBC)
19권 4호 ~ 19권 4호

건설기술논문집
38권 1호 ~ 38권 1호

KCI등재

의료·복지 건축(구 한국의료복지시설학회지)
25권 2호 ~ 25권 2호

KCI등재

한국건축시공학회지 (JKIBC)
19권 3호 ~ 19권 3호

KCI등재

한국공간구조학회지
19권 2호 ~ 19권 2호

건축시공
19권 2호 ~ 19권 2호

한국건축시공학회 학술발표대회 논문집
19권 1호 ~ 19권 1호

KCI등재

한국건축시공학회지 (JKIBC)
19권 2호 ~ 19권 2호
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