鋼筋鋼纖維混凝土梁斜裂縫寬度計(jì)算方法*
趙順波 趙國(guó)藩
- 摘 要
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趙順波 （華北水利水電學(xué)院 鄭州 450045）趙國(guó)藩 （大連理工大學(xué) 116023）
[提要] 在分析鋼筋鋼纖維混凝土箍筋梁斜截面裂縫寬度開(kāi)展規(guī)律試驗(yàn)研究基礎(chǔ)上，建立了鋼筋鋼纖維混凝土梁斜裂縫寬度計(jì)算的理論模式。結(jié)合試驗(yàn)資料的統(tǒng)計(jì)分析，給出了實(shí)用計(jì)算公式。
[關(guān)鍵詞] 鋼筋 鋼纖維 混凝土梁 斜截面 裂縫寬度An experimental investigation was carried out to study the shear behavior of steel fiber reinforced concrete beams with rectangular section, the major parameters were the distance between stirrups and the volume ratio of steel fiber. Based on the analysis of the test results, the theoritical model and the practical formula for calculating the shear-crack width of steel fiber reinforecd concrete beams are proposed.
Keywords: steel fiber reinforced concrete; beam; shear-crack width
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