英语翻译3.4 Flow Through the Gap towards the Pressure ReliefValvesThe seepage flow towards the tunnel has to reach thepressure relief valves through the gap between the steelliner and the backfill concrete.A non-parallel,turbulentrough flow is as

英语翻译3.4 Flow Through the Gap towards the Pressure ReliefValvesThe seepage flow towards the tunnel has to reach thepressure relief valves through the gap between the steelliner and the backfill concrete.A non-parallel,turbulentrough flow is as
英语翻译
3.4 Flow Through the Gap towards the Pressure Relief
Valves
The seepage flow towards the tunnel has to reach the
pressure relief valves through the gap between the steel
liner and the backfill concrete.A non-parallel,turbulent
rough flow is assumed in the gap,in accordance with Louis
(1967).Each pressure relief valve drains the gap in the
radial direction,as can be seen in Fig.6.A radially symmetric seepage flow in the gap towards the valves can
therefore be assumed.The maximum radial flow distance
Rof the seepage in the gap towards the check valve is
obtained from half of the maximum distance between two
valves measured on the cylindrical surface of the gap
(Fig.6).
Assuming that the seepage flow in the gap approaches
the pressure relief valves in a radially symmetric way and
that the inflowing seepage from the rock mass is uniformly
distributed on all the pressure relief valves,the gap flow
according to Louis (1967) becomes
wherepGapis the water pressure in the gap between the
backfill concrete and the steel liner,pValveis the water
pressure in the gap at the entrance to the pressure relief
valve,ro
is the radius of the valve orifice,rc
is the outer
radius of the backfill concrete,rs is the outer radius of the
steel liner,Ris the longest path of the seepage flow in the
gap in radial direction towards the valve (about half of the
maximum distance between two valves),Dis the distance
between the sections of the pressure relief valves in axial
direction along the tunnel or shaft,n is the number of
valves in the section,2ais the width of the gap between
backfill concrete and steel liner and e is the absolute
roughness of the gap (typically 0.15 mm for concrete–steel
contact)

英语翻译3.4 Flow Through the Gap towards the Pressure ReliefValvesThe seepage flow towards the tunnel has to reach thepressure relief valves through the gap between the steelliner and the backfill concrete.A non-parallel,turbulentrough flow is as
3.4 Flow Through the Gap towards the Pressure Relief(贡献者天降之物1号)求采纳
3.4通过对泄压的差距
Valves
阀门
The seepage flow towards the tunnel has to reach the
渗流对隧道已经达到
pressure relief valves through the gap between the steel
减压阀通过钢之间的差距
liner and the backfill concrete.A non-parallel,turbulent
衬垫和回填混凝土.非平行的,湍流
rough flow is assumed in the gap,in accordance with Louis
粗糙的流量差距是在假定,按照路易斯
(1967).Each pressure relief valve drains the gap in the
1967.每一个减压阀排水管中的间隙
radial direction,as can be seen in Fig.6.A radially symmetric seepage flow in the gap towards the valves can
径向方向,在图6中可以看到.径向对称的渗流对阀间隙
therefore be assumed.The maximum radial flow distance
因此,可以假设.最大径向距离
Rof the seepage in the gap towards the check valve is
ROF渗流在间隙对止回阀
obtained from half of the maximum distance between two
获得的最大距离的一半,在两个
valves measured on the cylindrical surface of the gap
在间隙圆柱面测量阀
(Fig.6).
（6）.
Assuming that the seepage flow in the gap approaches
假设在间隙接近渗流
the pressure relief valves in a radially symmetric way and
减压阀在径向对称的方式
that the inflowing seepage from the rock mass is uniformly
流入的渗流,从岩体均匀
distributed on all the pressure relief valves,the gap flow
分布在所有的泄压阀,间隙流
according to Louis (1967) becomes
根据路易斯（1967）变成
wherepGapis the water pressure in the gap between the
wherepgapis水压力之间的差距
backfill concrete and the steel liner,pValveis the water
回填混凝土和钢内衬,pvalveis水
pressure in the gap at the entrance to the pressure relief
在减压的入口在间隙压力
valve,ro
阀,反渗透
is the radius of the valve orifice,rc
是阀孔半径,钢筋混凝土
is the outer
是外
radius of the backfill concrete,rs is the outer radius of the
的回填混凝土半径,RS的外半径
steel liner,Ris the longest path of the seepage flow in the
钢衬,RIS的最长路径中的渗流
gap in radial direction towards the valve (about half of the
间隙径向向阀（约一半的
maximum distance between two valves),Dis the distance
两阀之间的最大距离,距离dis）
between the sections of the pressure relief valves in axial
在轴向的泄压阀之间的部分
direction along the tunnel or shaft,n is the number of
沿隧道轴向,n是数的
valves in the section,2ais the width of the gap between
在隔离阀,2ais之间的间隙宽度
backfill concrete and steel liner and e is the absolute
回填混凝土和钢内衬和E是绝对的
roughness of the gap (typically 0.15 mm for concrete–steel
的差距,粗糙度（一般为0.15毫米的混凝土–钢
contact)
接触）