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陳柱泫 工 學碩士學位 論 文 認 准
審査委員
查委員
蔚山大學敎 大 學原
2022 年2月
목 차
< >
국문요약 ··· ⅰ 목 차 ··· ⅱ 표 목 차 ··· ⅳ 그림목차 ··· ⅴ 기호목차 ··· ⅶ
I. 서 론 ··· 1
연구 배경
1.1 ··· 1 연구 목적
1.2 ··· 3
II. 문헌고찰 ··· 5
현행설계기준
2.1 ··· 5 선행연구
2.2 ··· 6
III. 합성보의 전단강도 ··· 15
실험체 설계
3.1 ··· 15 하중변위관계
3.2 ··· 20 파괴메커니즘
3.3 ··· 30 실험분석
3.4 ··· 33
IV. 지점 조건에 따른 전단강도 ··· 39 단순보실험체
4.1 ··· 39 실험결과비교
4.2 ··· 40 결과비교 분석
4.3 ··· 48
V. 결론 ··· 54
참고문헌 ··· 55
Abstract ··· 57
목차
<Table >
Table 3.1 Test variables and predictions of moment and shear capacities of specimens ···
Table 3.2 Mechanical properties of reinforcement ···
Table 3.3 Mixture proportion of concrete ···
Table 3.4 Test results and shear strength predictions(A Section) ···
Table 3.5 Test results and shear strength predictions(B Section) ···
Table 3.6 Test results and shear strength predictions(C Section) ···
Table 3.7 Test results and shear strength predictions(D Section) ···
Table 3.8 Test results and shear strength predictions(all sections) ···
Table 4.1 Shear strength of fixed beams and simple beams(A section) ···
Table 4.2 Shear strength of fixed beams and simple beams(B section) ···
Table 4.3 Shear strength of fixed beams and simple beams(C section) ···
Table 4.4 Shear strength of fixed beams and simple beams(D section) ···
Table 4.5 Shear strength of fixed end beams and simply supported beams ···
그림 목차
< >
Fig. 1.1 Precast concrete in Korea ···
Fig. 1.2 Composite method of precast concrete and cast-in-place concrete ···
Fig. 1.3 Shear force and bending moment diagram of simple beam and fixed beams at both ends ···
Fig. 2,1 Kim et al.(2013) Specimens sections ···
Fig. 2.2 Kim et al.(2013) Specimens test setting ···
Fig. 2.3 Kim et al.(2014a) Specimens sections ···
Fig. 2.4 Kim et al.(2014a) Specimens details ···
Fig. 2.5 Kim et al.(2014b) Specimens details and sections ···
Fig. 2.6 Kim et al.(2015) Specimens details ···
Fig.2.7 Behavior of simple beams and continous beams according to the shear span ratio ···
Fig. 2.8 Shear span ratio of continous beams ···
Fig. 2.9 Yum et al.(1993) Specimens details and settings ···
Fig. 3.1 Specimens sections A~D ···
Fig. 3.2 Specimens details and test setting ···
Fig. 3.3 Composite beams specimen production process ···
Fig. 3.4 A section load-displacement relationship ···
Fig. 3.5 B section load-displacement relationship ···
Fig. 3.6 C section load-displacement relationship ···
Fig. 3.7 D section load-displacement relationship ···
Fig. 3.8 Specimens load-displacement relationship ···
Fig. 3.9 w/o stirrup specimens failure mode ···
Fig. 3.10 w/ stirrup specimens failure mode ···
Fig. 3.11 Composite section effect at shear ···
Fig. 3.12 Shear strength increase due to shear reinforcement ···
Fig. 3.13 Strain distribution of shear reinforcement ···
Fig. 3.14 Shear strength prediction by current design code ···
Fig. 4.1 Simple support specimens detail ···
Fig. 4.2 Specimens compare ···
Fig. 4.3 Load-displacement relationship of fixed beams and simple beams (A Section) ···
Fig. 4.4 Load-displacement relationship of fixed beams and simple beams (B Section) ···
Fig. 4.5 Load-displacement relationship of fixed beams and simple beams (C Section) ···
Fig. 4.6 Load-displacement relationship of fixed beams and simple beams (D Section) ···
Fig. 4.8 Compression zone of a simply supported beam and a fixed beam ···
Fig. 4.9 Shear strength of fixed beam and simple beam(w/o stirrup) ···
Fig. 4.10 Shear strength of fixed beam and simple beam(w/ stirrup) ···
Fig. 4.11 Crack pattern of fixed beam and simple beam ···
Fig. 4.12 Shear strength ratio of fixed beams and simply supported beams ···
기호 목차
< >
Fig. 1.2 Composite method of precast concrete and cast-in-plcae concrete Fig 1.1 Precast concrete in Korea
Fig 1.3 Shear force and bending moment diagram of simple beam and fixed beams at both ends
≤
≤
Fig 2.1 Kim et al.(2013) specimens section
Fig 2.2 Kim et al.(2013) Specimens test setting
Fig 2.3 Kim et al.(2014a) specimens sections
Fig 2.4 Kim et al.(2014a) specimens details
Fig 2.5 Kim et al.(2014b) specimens details and sections
Fig 2.6 Kim et al.(2015) specimens details
Fig 2.7 Behavior of simple beams and continous beams according to the shear span ratio
Fig 2.8 Shear span ratio of continous beams
Fig 2.9 Yum et al.(1993) Specimens details and settings
Fig 3.1 Specimens sections A~D
m ax Fig 3.2 Specimens details and test setting
Table 3.1 Test variables and predictions of moment and shear capacities of specimens
·
Fig 3.3 Composite beams specimens production process
ε
×
Table 3.2 Mechanical properties of reinforcement
ε με
Table 3.3 Mixture proportion of concrete
Fig 3.4 A section load-displacement relationship
Table 3.4 Test results and shear strength predictions(A Section)
Fig 3.5 B section load-displacement relationship
Table 3.5 Test results and shear strength predictions(B Section)
Fig 3.6 C section load-displacement relationship
Table 3.6 Test results and shear strength predictions(C Section)
Fig 3.7 D section load-displacement relationship
Table 3.7 Test results and shear strength predictions(D Section)
전단 보강 실험체의 하중 변위 곡선
(a) -
전단 무보강 실험체의 하중 변위 곡선
(b) -
Fig 3.8 Specimens load-displacement relationship
Table 3.8 Test results and shear strength predictions(all Section)
Fig 3.9 without stirrup specimens failure mode
Fig 3.10 with stirrup specimens failure mode
Fig 3.11 Composite section effect at shear
(a) Shear strength increase according to shear reinforcements
(b) shear reinforcements shear strength predinctions
Fig 3.12 Shear strength increase due to shear reinforcement
ε
ε
Fig 3.13 Strain distribution of shear reinforcement
Fig 3.14 Shear strength prediction by current design code
(a) Specimens without shear reinforcement detail
(b) Specimens with shear reinforcement detail Fig. 4.1 Simple support specimens detail
(a) Simple beams
(b) Fixed beams Fig. 4.2 Specimens detail compare
(a) without shear reinforcement
(b) with shear reinforcement
Fig 4.3 Load-displacement relationship of fixed beams and simple beams(A section)
Table 4.1 Shear strength of fixed beams and simple beams(A section)
(a) without shear reinforcement
(b) with shear reinforcement
Fig 4.4 Load-displacement relationship of fixed beams and simple beams(B section)
Table 4.2 Shear strength of fixed beams and simple beams(B section)
(a) without shear reinforcement
(b) with shear reinforcement
Fig 4.5 Load-displacement relationship of fixed beams and simple beams(C section)
Table 4.3 Shear strength of fixed beams and simple beams(C section)
(a) without shear reinforcement
(b) with shear reinforcement
Fig 4.6 Load-displacement relationship of fixed beams and simple beams(D section)
Table 4.4 Shear strength of fixed beams and simple beams(D section)
Fig. 4.7 Negative moment distribution at fixed beams
Fig 4.8 Compression zone of a simply supported beams and fixed beams
Fig. 4.9 Shear strength of fixed beams and simple beams(w/o stirrup)
Fig. 4.10 Shear strength of fixed beams and simple beams
(a) without shear reinforcement
(b) with shear reinforcement Fig. 4.11 Crack pattern of fixed beams and simple beams
Table 4.5 Shear strength of fixed end beams and simply supported beams
Fig 4.12 Shear strength ratio of fixed beams and simply supported beams
Jin, Joohyeon Graduate School of Architecture Engineering Ulsan University (Advised by Professor Kim, daekyeong)
