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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국콘크리트학회 International Journal of Concrete Structures and Materials International Journal of Concrete Structures and Materials Vol.15 No.3
- 발행연도
- 2021.5
- 수록면
- 373 - 387 (15page)
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초록· 키워드
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The aim of this research is to provide a quantitative method for evaluating concrete segregation. Because of various conditions of concrete materials, mix proportions, and delivery, concrete can be segregated. The acquisition inspection executed in construction field for supplied ready-mixed concrete is an important quality control process for concrete. Among the inspections conducted at the project site, segregation of concrete mixture should be evaluated before placing the concrete mixture, currently a qualitative inspection on concrete segregation was conducted. For a normal concrete mixture with slumping behavior, shear slump or collapse slump often occur as an indication of segregation. The suggested evaluation index of segregation for normal concrete (EISN) was induced from the shape of the concrete slumping: relation between the maximum distance of flow and the minimum distance of flow. To evaluate the feasibility of EISN, two different concrete mixture conditions were tested. The recommended EISN parameter of segregation is 1.09 using the three grades of concrete quality. This new quantitative method of evaluating segregation of the concrete mixture is expected to contribute to a more efficient quality control in concrete construction.
목차
Abstract
1 Introduction
2 Quantitative Evaluation Method for Concrete Segregation
3 Experiment
4 Results and Discussion
5 Conclusions
References
참고문헌 (28)
참고문헌 신청
ACI Committee / 2002 / ACI 211.1–91, standard practice for selecting proportions for normal, heavyweight, and mass concrete / ACI Committee 211
ACI Committee / 2004 / ACI 3115–04, guide for concrete plant inspection and field testing of ready-mixed concrete / ACI Committee 311
Aïssoun, B. M. / 2016 / Influence of aggregate characteristics on workability of superworkable concrete / Materials and Structures 49(1?2):597~609
Architectural Institute of Japan / 2009 / Japanese Architectural Standard Specification for Reinforced Concrete Work / Architectural Institute of Japan
ASTM International / 2010 / ASTM C231, standard test method for air content of freshly mixed concrete by the pressure method / ASTM Internation
ACI Committee / 2004 / ACI 3115–04, guide for concrete plant inspection and field testing of ready-mixed concrete / ACI Committee 311
Aïssoun, B. M. / 2016 / Influence of aggregate characteristics on workability of superworkable concrete / Materials and Structures 49(1?2):597~609
Architectural Institute of Japan / 2009 / Japanese Architectural Standard Specification for Reinforced Concrete Work / Architectural Institute of Japan
ASTM International / 2010 / ASTM C231, standard test method for air content of freshly mixed concrete by the pressure method / ASTM Internation
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UCI(KEPA) : I410-ECN-0101-2021-532-001749247