강도변화에 따른 팽창재를 사용한 섬유보강 시멘트복합체의 인장강성 특성
The Tension-Stiffening characteristic of Strain-Hardening Cement Composite Using the Expansive Admixture with Compressive strength
- Resource Type
- Article
Text
- Authors
- 이영오; 류승현; 남상현; 윤현도; Lee, Young-Oh; Ryu, Seung-Hyun; Nam, Sang Hyun; Yun, Hyun-Do
- Source
- 대한건축학회지회연합회 학술발표대회논문집, 12/04/2010, p. 331-334
- Subject
- 인장강성
팽창재
변형경화형시멘트복합체
보강섬유
Tension-stiffening
Expansive admixture
Strain hardening cement composit
Shrinkage
Reinforcing fiber
- Language
- 한국어(KOR)
This paper investigates the interaction of structural steel reinforcement and strain-hardening cement composites (SHCC) in uniaxial tension. The effects of cement composite on the steel reinforced composite deformation behavior are experimentally investigated and contrasted to conventional reinforced concrete. Also, Using an expansive admixture can reduce an initial shrinkage crack and improve a prestress. Axial tension members made of both normal and high strength concrete are used to investigate tension stiffening and cracking of SHCC to determine experimentally if any relationship exists between SHCC strength and post-cracking behavior. Tension stiffening represents the tensile strength of concrete between cracks in a reinforced concrete member and can significantly affect member stiffness, deformation, and crack widths under service loads. A specimens using 30 and 100 MPa SHCC were reinforced with D16 bars. The presence of fibers controlled the splitting cracks and led to significant increases in the tension stiffening of SHCC using an expansive admixture