地下水涌水量的解析法

含水层类型

潜水

承压水

承压－潜水

计算公式中符号说明

计算公式

http://www.mining120.com/WebEditor/uploadfile/20100408133030615.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133030276.gif

 EQ http://www.mining120.com/WebEditor/uploadfile/20100408133031238.gif

图示

完整井

非完整井

http://www.mining120.com/WebEditor/uploadfile/20100408133031682.gif

(1)

http://www.mining120.com/WebEditor/uploadfile/20100408133031343.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133032980.gif

Q—竖井涌水量，m³/d；

K—渗透系数，m/d；

H—潜水含水层厚度或承压含水层由底板算起的水头值，m；

S—水位降低值，m；

r—井筒半径，m；

R—影响半径，m；

Rc—水流阻力系数；

b，b₁，b₂—井筒至供水或隔水边界的距离，m；

M—承压含水层的厚度，m；

h₀—井筒中水柱高，m；

L—二供不、二隔水或一供一隔水边界之间的距离，m；

ξ₀，ξ—取决于(http://www.mining120.com/WebEditor/uploadfile/20100408133032187.gif )的非完整井系数。i—映射井至抽水井的距离(其值取至1.5M为止)，m

n= EQ http://www.mining120.com/WebEditor/uploadfile/20100408133032860.gif (n为整数)

σ—井、矿坑至边界距离，m；

x₀—井或矿坑中心到两相交隔水边界交点的距离，m

http://www.mining120.com/WebEditor/uploadfile/20100408133033705.gif

(2)

http://www.mining120.com/WebEditor/uploadfile/20100408133033644.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133034662.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133034945.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133034376.gif

(3)

http://www.mining120.com/WebEditor/uploadfile/20100408133035448.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133035106.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133037691.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133037862.gif

(4)

http://www.mining120.com/WebEditor/uploadfile/20100408133037859.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133037181.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133038814.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133039715.gif

(5)

http://www.mining120.com/WebEditor/uploadfile/20100408133039998.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133039766.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133039819.gif

(6)

http://www.mining120.com/WebEditor/uploadfile/20100408133039202.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133040685.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133040626.gif

(7)

http://www.mining120.com/WebEditor/uploadfile/20100408133041970.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133042364.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133042701.gif

(8)

http://www.mining120.com/WebEditor/uploadfile/20100408133042922.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133043997.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133043658.gif

(9)

http://www.mining120.com/WebEditor/uploadfile/20100408133043879.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133043933.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133044163.gif

(10)

http://www.mining120.com/WebEditor/uploadfile/20100408133044385.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133044556.gif

图形

含水层类型

紊流计算公式

http://www.mining120.com/WebEditor/uploadfile/20100408133044666.gif

(1)

潜 水

http://www.mining120.com/WebEditor/uploadfile/20100408133044831.gif

承压水

http://www.mining120.com/WebEditor/uploadfile/20100408133045230.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133045227.gif

(2)

潜 水

http://www.mining120.com/WebEditor/uploadfile/20100408133045169.gif

承压水

http://www.mining120.com/WebEditor/uploadfile/20100408133045842.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133046636.gif

(3)

潜 水

http://www.mining120.com/WebEditor/uploadfile/20100408133046179.gif

承压水

http://www.mining120.com/WebEditor/uploadfile/20100408133046345.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133047475.gif

(4)

潜 水

http://www.mining120.com/WebEditor/uploadfile/20100408133047590.gif

承压水

http://www.mining120.com/WebEditor/uploadfile/20100408133047526.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133047919.gif

(5)

潜 水

http://www.mining120.com/WebEditor/uploadfile/20100408133048656.gif

承压水

http://www.mining120.com/WebEditor/uploadfile/20100408133048822.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133048932.gif

(6)

潜 水

http://www.mining120.com/WebEditor/uploadfile/20100408133048197.gif

承压水

http://www.mining120.com/WebEditor/uploadfile/20100408133052359.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133052189.gif

(7)

潜 水

http://www.mining120.com/WebEditor/uploadfile/20100408133052974.gif

承压水

http://www.mining120.com/WebEditor/uploadfile/20100408133052691.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133053541.gif

(8)

潜 水

http://www.mining120.com/WebEditor/uploadfile/20100408133053984.gif

承压水

http://www.mining120.com/WebEditor/uploadfile/20100408133054832.gif

混合流计算公式

适用条件

说明

http://www.mining120.com/WebEditor/uploadfile/20100408133054148.gif

远离地表

水体与隔

水边界

M—承压水含水层厚度m；

H—潜水含水层厚度或水头高度，m；

h₀—井内水位高度，m；

m—水井影响区内的平均流态系数值，在1－2之间

b—水井到边界距离，m；如b值很大时，可舍去http://www.mining120.com/WebEditor/uploadfile/20100408133055674.gif 一项

http://www.mining120.com/WebEditor/uploadfile/20100408133055215.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133056794.gif

井位于

隔水边

界附近

http://www.mining120.com/WebEditor/uploadfile/20100408133056676.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133057860.gif

井位于

供水边

界附近

b₁,b₂值相对r值很大时，可舍去http://www.mining120.com/WebEditor/uploadfile/20100408133059884.gif 二项

Q—水井的出水量，m³/d；

r—水井半径，m；

K—渗透系数，m/d

http://www.mining120.com/WebEditor/uploadfile/20100408133059147.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133100216.gif

井位于二

直交隔水

边界附近

http://www.mining120.com/WebEditor/uploadfile/20100408133101956.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133101109.gif

井位于直

交的隔水

与供水边

界之间

http://www.mining120.com/WebEditor/uploadfile/20100408133102798.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133102852.gif

井位于二

直交的

供水边

界之间

http://www.mining120.com/WebEditor/uploadfile/20100408133103414.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133104263.gif

井位于二平行的隔水与供水边界之间

http://www.mining120.com/WebEditor/uploadfile/20100408133104875.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133104760.gif

井位于二平行的两条隔水边界之间

http://www.mining120.com/WebEditor/uploadfile/20100408133105552.gif

含水层类型

潜水

承压水

承压－潜水

涌水量计算公式

http://www.mining120.com/WebEditor/uploadfile/20100408133105773.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133108239.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133109316.gif

计算示意图

井径

Rc计算公式

r₂/4at≥0.05

r₂/4at≤0.05

http://www.mining120.com/WebEditor/uploadfile/20100408133109426.gif

(1)

完整井

http://www.mining120.com/WebEditor/uploadfile/20100408133109703.gif

非完整井

http://www.mining120.com/WebEditor/uploadfile/20100408133109869.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133110268.gif

(2)

完整井

http://www.mining120.com/WebEditor/uploadfile/20100408133110551.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133110773.gif

非完整井

http://www.mining120.com/WebEditor/uploadfile/20100408133110714.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133110992.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133111898.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133111276.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133111391.gif

(3)

完整井

http://www.mining120.com/WebEditor/uploadfile/20100408133111612.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133111890.gif

非完整井

http://www.mining120.com/WebEditor/uploadfile/20100408133112964.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133112235.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133112401.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133112622.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133112564.gif

(4)

完整井

http://www.mining120.com/WebEditor/uploadfile/20100408133113750.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133113972.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133113187.gif

非完整井

http://www.mining120.com/WebEditor/uploadfile/20100408133113521.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133113799.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133114873.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133114256.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133114422.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133114475.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133114697.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133115825.gif

(5)

完整井

http://www.mining120.com/WebEditor/uploadfile/20100408133115991.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133115374.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133116445.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133116723.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133116833.gif

非完整井

http://www.mining120.com/WebEditor/uploadfile/20100408133116886.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133117344.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133117397.gif

(6)

完整井

http://www.mining120.com/WebEditor/uploadfile/20100408133117897.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133118859.gif

非完整井

http://www.mining120.com/WebEditor/uploadfile/20100408133118464.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133118573.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133118795.gif

(7)

完整井

http://www.mining120.com/WebEditor/uploadfile/20100408133119247.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133119413.gif

非完整井

http://www.mining120.com/WebEditor/uploadfile/20100408133120319.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133120260.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133120201.gif

(8)

完整井

http://www.mining120.com/WebEditor/uploadfile/20100408133120255.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133121888.gif

(9)

完整井

r²/4at≥0.05

r²/4at≤0.05

http://www.mining120.com/WebEditor/uploadfile/20100408133121938.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133121265.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133122508.gif

计算示意图

计算公式中符号说明及适用条件

http://www.mining120.com/WebEditor/uploadfile/20100408133109426.gif

(1)

 无越流无限含水层，抽水量固定不变。ξ0′取决于http://www.mining120.com/WebEditor/uploadfile/20100408133122618.gif

 r—井半径，m；u=http://www.mining120.com/WebEditor/uploadfile/20100408133122671.gif

http://www.mining120.com/WebEditor/uploadfile/20100408133110268.gif

(2)

 无越流固定流量抽水，井位于直线隔水边界了附近。如果2b≥1.5M时，ξ′(http://www.mining120.com/WebEditor/uploadfile/20100408133122949.gif )可忽略不计

http://www.mining120.com/WebEditor/uploadfile/20100408133111391.gif

(3)

 无越流固定流量抽水井位于直线供水边界附近

http://www.mining120.com/WebEditor/uploadfile/20100408133112564.gif

(4)

 无越流固定流量抽水，井位于平行的隔水与供水边界之间

http://www.mining120.com/WebEditor/uploadfile/20100408133115825.gif

(5)

 无越流固定流量抽水井位于平行二隔水边界之间

http://www.mining120.com/WebEditor/uploadfile/20100408133117397.gif

(6)

 无越流固定流量抽水井位于直交二隔水边界之间

http://www.mining120.com/WebEditor/uploadfile/20100408133118795.gif

(7)

 无越流固定流量抽水，井位于直交的隔水与供水边界之间

http://www.mining120.com/WebEditor/uploadfile/20100408133120201.gif

(8)

 无越流固定流量抽水，井位于三边隔水的半封闭含水层中

http://www.mining120.com/WebEditor/uploadfile/20100408133121888.gif

(9)

 固定流量抽水井，位于无越流封闭含水层的中心

 固定流量抽水井，位于无越流封闭含水层中任意一点