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本文主要提出了“除单跨简支板、悬臂板之外的钢筋混凝土受弯板中纵向受拉钢筋的配筋率不应小于0.15%和45ft/fy中的较大值”的建议,并对配筋率规定的历史回顾、国外标准、试验研究成果、工程调查等背景资料作了介绍。本文还提出了板中高强钢筋标志直径不宜小于6哪、有条件情况下梁主筋尽量不少于3根等建议。
This paper mainly puts forward the suggestion that “the ratio of reinforcement of longitudinal tensile reinforcement bars in reinforced concrete bending bars other than single-span simple-supported and cantilevered slabs should not be less than 0.15% and larger of 45ft / fy” , And introduced the background information about the history of reinforcement ratio regulation, foreign standards, experimental research results and engineering investigation. This paper also proposed the board should not be less than the diameter of high-strength steel logo 6, where possible under the condition of the beam reinforcement of not less than 3 recommendations.