以福興案中庭排水為例6"雨排V=1/n*R指數2/3*S指數1/2
分別計算坡度1%與1/200(0.5%)半管及滿管之流速
1.坡度1%半管V=1/0.009*A/P*0.01指數1/2
V=111.1*(0.01767/0.3856)指數2/3*0.1
V=111.1*(0.045824)指數2/3*0.1
V=111.1*0.12805*0.1
V=1.4227M/S
2.坡度1%滿管V=1/0.009*A/P*0.01指數1/2
V=111.1*(0.01767/0.47124)指數2/3*0.1
V=111.1*(0.0374968)指數2/3*0.1
V=111.1*0.112028*0.1
V=1.24M/S
3.坡度0.5%半管V=1/0.009*A/P*0.005指數1/2
V=111.1*(0.01767/0.3856)指數2/3*0.0707106
V=111.1*(0.045824)指數2/3*0.0707106
V=111.1*0.12805*0.0707106
V=1.005M/S
4.坡度0.5%滿管V=1/0.009*A/P*0.005指數1/2
V=111.1*(0.01767/0.47124)指數2/3*0.0707106
V=111.1*(0.0374968)指數2/3*0.0707106
V=111.1*0.112028*0.0707106
V=0.88M/S
5.坡度0.33%半管V=1/0.009*A/P*0.0033指數1/2
V=111.1*(0.01767/0.3856)指數2/3*0.057734
V=111.1*(0.045824)指數2/3*0.057734
V=111.1*0.12805*0.057734
V=0.82M/S
6.坡度0.33%滿管V=1/0.009*A/P*0.0033指數1/2
V=111.1*(0.01767/0.47124)指數2/3*0.057734
V=111.1*(0.0374968)指數2/3*0.057734
V=111.1*0.112028*0.057734
V=0.7185M/S
7.坡度0.25%半管V=1/0.009*A/P*0.0025指數1/2
V=111.1*(0.01767/0.3856)指數2/3*0.05
V=111.1*(0.045824)指數2/3*0.05
V=111.1*0.12805*0.05
V=0.71M/S
8.坡度0.25%滿管V=1/0.009*A/P*0.0025指數1/2
V=111.1*(0.01767/0.47124)指數2/3*0.05
V=111.1*(0.0374968)指數2/3*0.05
V=111.1*0.112028*0.05
V=0.62M/S>依汙水設備標準第19條規定流速>0.6M/S<3M/S
V=111.1*(0.01767/0.3856)指數2/3*0.057734
V=111.1*(0.045824)指數2/3*0.057734
V=111.1*0.12805*0.057734
V=0.82M/S
6.坡度0.33%滿管V=1/0.009*A/P*0.0033指數1/2
V=111.1*(0.01767/0.47124)指數2/3*0.057734
V=111.1*(0.0374968)指數2/3*0.057734
V=111.1*0.112028*0.057734
V=0.7185M/S
7.坡度0.25%半管V=1/0.009*A/P*0.0025指數1/2
V=111.1*(0.01767/0.3856)指數2/3*0.05
V=111.1*(0.045824)指數2/3*0.05
V=111.1*0.12805*0.05
V=0.71M/S
8.坡度0.25%滿管V=1/0.009*A/P*0.0025指數1/2
V=111.1*(0.01767/0.47124)指數2/3*0.05
V=111.1*(0.0374968)指數2/3*0.05
V=111.1*0.112028*0.05
V=0.62M/S>依汙水設備標準第19條規定流速>0.6M/S<3M/S
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