구조용 데크플레이트를 사용한 합성슬래브의 처짐제어를 위한 유효 단면2차모멘트 및 경간깊이 비 평가Evaluation of Effective Moment of Inertia and Allowable Span-Depth Ratio for Controlling Deflection in Composite Slabs Reinforced with Steel Decking
- Authors
- 양근혁; 정헌수; 김대중; 이은택
- Issue Date
- 2004
- Publisher
- 대한건축학회
- Keywords
- deck plate; composite slabs; effective moment of inertia; allowable span-depth ratio; 데크플레이트; 합성 슬래브; 유효 단면2차모멘트; 경간깊이 비
- Citation
- 대한건축학회논문집 구조계, v.20, no.5, pp 19 - 26
- Pages
- 8
- Journal Title
- 대한건축학회논문집 구조계
- Volume
- 20
- Number
- 5
- Start Page
- 19
- End Page
- 26
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/28724
- ISSN
- 1226-9107
- Abstract
- A proper evaluation of effective moment of inertia involved tensile cracking effect and tension stiffening effect is an important consideration in the design of one-way composite slabs reinforced with structural steel decking. Especially common uses of high-strength reinforcing structural steel decking and shallow sections caused serviceability problem of one-way composite slabs to be of more importance. Methods to evaluate effective moment of inertia and allowable span-depth ratio for controlling deflection in one-way composite slabs were developed. A new presented formula for effective moment of inertia can apply to simple as eliminating the necessity of computing moment of inertia of cracked section. Allowable span-depth ratio that limitation of long-term deflections will be satisfactory considered loading conditions, support conditions, deck plate ratio, span length, and allowable deflections in ACI 318-02. The proposed methods in this study show a more justifiable than other procedures such as ACI 318-02 and ANSI/ASCE.
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