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SE-JIN CHOI,

Ph.D

(2)

○ 교과목의 성격

Develop the application ability and skills of various construction materials in the real construction field.

○ 교과수업 주요목표

Students study the various construction materials for application in the construction field.

○ 평가

중간 30%, 기말 30%, 출석 20%, 발표 20%

1

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○ 주별 수업내용

2

1 Introduction

2 Mechanical properties of materials

3 Concrete - aggregates

4 Concrete - cement

5 Concrete - admixture

6 Concrete – mix proportion

7 Concrete – fresh concrete

8 Midterm exam

9 Concrete – hardened concrete

10 Concrete – special concretge

11 Steel

12 Nonferrous metals

13 Vood, Stone

14 Glass, Plastic

15 Asphalt

16 Final exam

(4)

Eco-Friendly Concrete

□ Self Compacting Concrete

(a) 일반 (b) 고유동

(5)

Eco-Friendly Concrete

□ Self Compacting Concrete

(6)

Eco-Friendly Concrete

□ Self Compacting Concrete

고유동 콘크리트의 적당한 점성과 자기충전성으로 Honeycomb 방지가능

(7)

Eco-Friendly Concrete

□ Self Compacting Concrete

○ 일본 JASS 5 (건축공사 표준시방서)

- 슬럼프 플로우 : - 재료분리저항성 :

- 강도 : - 공기량 : - 물결합재비 : - 단위수량 :

- 단위조골재겉보기용적 : 50~70cm

슬럼프 플로우 시험후의 콘크리트 상태로 평가

⇒ 콘크리트 중앙부에 굵은골재가 모이지 않고 주변부에 페이스트나 물이 모이지 않도록 함.

재령 91일강도가 설계기준강도 이상이 되도록 규정.

특기가 없는 경우 3.0 ~ 4.5%

50% 이하 (감리자가 승인할 경우 55% 이하) 175 kg/m3 이하 (감리자가 승인할 경우 185이하) 0.500 m3/m3 이상

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