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• Drain is 15m above the impervious layer. The soil is non-homogeneous ,the first layer have K=Im/day while the second layer have 0.5 m/day. • Drain is 3m above the impervious layer. The soil is homogeneous with K-0.8m/day. Use any available equations (Hooghoudt, Kirkham and Dagan)

• Drain is 15m above the impervious layer. The soil is non-homogeneous ,the first layer have K=Im/day while the second layer have 0.5 m/day. • Drain is 3m above the impervious layer. The soil is homogeneous with K-0.8m/day. Use any available equations (Hooghoudt, Kirkham and Dagan)

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Ex12.3 :the daily groundwater recharge 4mm/day, depth of covered drain 2m,the permissible depth of groundwater 1.2m below soil surface, radius of drain pipe 0.1 m. Find the spacing of drains under the following states: Drain is laid on the impervious layer. The soil is homogeneous with K=1m/day. Drain is 15m above the impervious layer. The soil is non-homogeneous ,the first layer have K=1m/day while the second layer have 0.5 m/day. Drain is 3m above the impervious layer. The soil is homogeneous with K-0.8m/day. Use any available equations (Hooghoudt, Kirkham and Dagan)
Transcribed Image Text:Ex12.3 :the daily groundwater recharge 4mm/day, depth of covered drain 2m,the permissible depth of groundwater 1.2m below soil surface, radius of drain pipe 0.1 m. Find the spacing of drains under the following states: Drain is laid on the impervious layer. The soil is homogeneous with K=1m/day. Drain is 15m above the impervious layer. The soil is non-homogeneous ,the first layer have K=1m/day while the second layer have 0.5 m/day. Drain is 3m above the impervious layer. The soil is homogeneous with K-0.8m/day. Use any available equations (Hooghoudt, Kirkham and Dagan)
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