水泥輕舟的制作方法

1、水泥輕舟水泥輕舟輕舟之父輕舟之父Clyde Kesler 一、外形設(shè)計速度為速度為4m/s時摩擦阻力大約時摩擦阻力大約65.46N，由水的粘滯力造成的阻力約為，由水的粘滯力造成的阻力約為89.80N 二、混凝土設(shè)計二、混凝土設(shè)計設(shè)計目標(biāo)：設(shè)計出強度大于設(shè)計目標(biāo)：設(shè)計出強度大于50MPa，抗折強度大于，抗折強度大于10Mpa的無坍落度的膏狀細石混凝土，采用纖維增強。的無坍落度的膏狀細石混凝土，采用纖維增強。1 、原材料、原材料1.1 水泥實驗采用葛洲壩三峽牌P.O 42.5普通硅酸鹽水泥序號檢測項目PO42.5水泥標(biāo)準(zhǔn)指標(biāo)檢測結(jié)果1細度80m篩余(%)10.01.252標(biāo)準(zhǔn)稠度(%)29.03凝

2、結(jié)時間(h:min)初凝0:452:18終凝10:003:355抗折強度(MPa)3d3.55.228d6.49.66抗壓強度(MPa)3d17.024.728d42.353.0試樣試樣名稱名稱13.29.54.752.361.180.60.30.15篩底篩底2料料7.3484.0699.49 3料料6.8693.69 98.37 巴河黃砂巴河黃砂3.312.62737.782.898.6試樣試樣類型類型表觀密度表觀密度(g/cm3)壓碎值壓碎值 吸水率吸水率 含泥量含泥量2料料2.6709.51.20.63料料2.7411.20.6巴河黃砂巴河黃砂 2.682根據(jù)通過率根據(jù)通過率P=100

3、0（d/D）1/n，當(dāng)，當(dāng)n取取0.45、0.5、0.55時，相應(yīng)的合成級配如下：時，相應(yīng)的合成級配如下：圖圖1 n=0.45時相應(yīng)的合成級配曲線時相應(yīng)的合成級配曲線圖圖2 n=0.5時相應(yīng)的合成級配曲線時相應(yīng)的合成級配曲線圖圖3 n=0.55時相應(yīng)的合成級配曲線時相應(yīng)的合成級配曲線類型類型水泥水泥用量用量kg/m32#kg/m33#kg/m3砂砂kg/m3外加劑外加劑kg/m3(1.5%)纖維纖維kg/m3(0.6%)水水kg/m33d強度強度/MPa7d強度強度/MPa28d強度強度/MPa抗折抗折抗壓抗壓抗折抗折抗壓抗壓抗折抗折抗壓抗壓粗粗480346.99520.49867.487.2

4、6.61924.2116.87.1132.288.3743.7細細480346.99520.49867.487.26.61925.9423.08.1832.848.8144.6細細600306.9460.35767.259.06.62166.5826.59.2444.2410.352.82.1羅洋粗、細纖維對比試驗2.實驗實驗纖維纖維摻量摻量水泥水泥/ kg/m32#料料/ kg/m33#料料/ kg/m3砂砂/ kg/m3外加劑外加劑/ kg/m3(1.5%)纖維纖維/ kg/m3水水/ kg/m33d強度強度/MPa7d強度強度/MPa28d強強度度/MPa抗折抗折抗壓抗壓抗折抗折抗抗壓壓

5、抗抗折折抗抗壓壓0%480352.2528.3867.57.201737.9732.29.3039.710.050.20.4%480352.2528.3867.57.24.41737.7231.28.1837.19.67480.6%480352.2528.3867.57.26.61735.9422.57.4332.98.8144.60.8%480352.2528.3867.57.28.81735.2320.77.3730.08.6241.11.0%480352.2528.3867.57.2111735.4719.78.1131.78.5542.3纖維摻量纖維摻量水泥水泥/ kg/m32#料料/

6、 kg/m33#料料/ kg/m3砂砂/ kg/m3外加劑外加劑/ kg/m3(1.5%)纖維纖維/ kg/m3水水/ kg/m33d強度強度/MPa7d強度強度/MPa28d強度強度/MPa抗折抗折抗壓抗壓抗折抗折抗抗壓壓抗折抗折抗壓抗壓0%600319.7479.6799.3901928.5346.610.455.811.1560.370.04%600319.7479.6799.390.441929.2245.59.7752.411.4865.720.08%600319.7479.6799.390.881929.5246.410.657.212.5470.570.12%600319.747

7、9.6799.391.321928.7243.69.754.311.4362.530.16%600319.7479.6799.391.761928.4742.09.7855.412.0264.020.20%600319.7479.6799.392.21928.239.69.0650.610.5163.030.4%600306.9460.4767.394.42167.4924.28.4339.29.3449.10.6%600306.9460.4767.396.62166.5826.49.2544.210.352.80.8%600306.9460.4767.398.82165.8518.97.7133.08.3643.51.0%600306.9460.4767.39112165.5719.67.7336.28.4046.8三、三、摸具制作摸具制作肋板制作 船體拼接龍骨制作 1、肋板制作肋板制作四、船體成型五、五、圖案設(shè)計圖案設(shè)計四、四、下水