堤防工程设计规范（GB50286-98）堤岸冲刷深度计算QAVcpXR5007910.631928187.144.2280112004970.402042 160.483.09982629.3 1300.22574983.491.554557公路桥涵设计通用规范（JTGD60-河床冲刷深度计算1.非粘性土河床冲刷计算（1）河槽部分VcL0UλB#DIV/0!10145101301073.5（2）河滩部分Qt1QcQpQ1U#DIV/0!2.粘性土河床冲刷计算（1）河槽部分AQ2uBc#DIV/0!（2）河滩部分AQtuBt#DIV/0!墩台局部冲刷深度计算1.非粘性土河床桥墩局部冲刷计算当V≤V0Vhpdd0.14d0.1500当V>V0Vhpdd0.14d0.15002.粘性土河床桥墩局部冲刷计算当hp/B1≥2.5hpB1hp/B1B10.6Kε#DIV/0!0当hp/B1 <2.5hpB1hp/B1hp0.1B10.6#DIV/0!00公路工程水文勘测设计规范（JTG桥前最大壅水高度的确定WjWomW泓W滩Wo0壅水曲线长度的确定△Z△LIL#DIV/0!#DIV/0!桥下壅水高度一般可采用最大壅水高度的一般。当河床坚实不易冲刷时，可采用桥前最大壅水高度值计规范（GB50286-98）aRaV允n0.21.334219321.0006640.250.891445290.21.253913130.9404350.25 0.80860380.21.092248240.8191860.250.72453762计通用规范（JTGD60-2004）B开根号 HAB2Bc0#DIV/0!12.04168.141.06049614514511.40185.981.1016421301308.573212.511.202321 73.573.5Btjhtmhtqhtm/htq#DIV/0!#DIV/0!hmchc IL#DIV/0!#DIV/0!hmchc IL#DIV/0!#DIV/0!d0.19d0.45d0.72Kη 1000#DIV/0!#DIV/0!d0.19d0.45d0.72Kη 1000#DIV/0!#DIV/0!ILIL1.25Vhb00KεILIL1.0Vhb00文勘测设计规范（JTGC30-2002）QomVomVm=VOMVoQ阻#DIV/0!#DIV/0!#DIV/0!时，可采用桥前最大壅水高度值；当河床松软易冲刷时，桥下壅水高度可以不计。HpHB8.148.0314452865.985.7886038022.512.234537624QpQcQ2=QpHcm5005005008.142002002005.9829.329.329.32.51 VH1 hp#DIV/0!#DIV/0!#DIV/0! HP#DIV/0!#DIV/0!#DIV/0! HP#DIV/0!#DIV/0!#DIV/0!V0#DIV/0!#DIV/0!#DIV/0!#DIV/0!V0#DIV/0!#DIV/0!#DIV/0!#DIV/0!Q泓Q滩Q设η0#DIV/0!#DIV/0!#DIV/0!#DIV/0!1.05428514511.0910313011.18037173.51B1B10.6V0`0#DIV/0!#DIV/0!B1B10.6V0`0#DIV/0!#DIV/0!△ Z#DIV/0!Hp#DIV/0!8.9251555 0.78526.785331 0.80533.0812398 0.5712n1Kεhb0 #DIV/0!#DIV/0!n1Kεhb0 #DIV/0!#DIV/0!#DIV/0!#DIV/0!
