c) An unlined tunnel which will carry water for a hydroelectric project is to be constructed in granite. The maximum wat

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c) An unlined tunnel which will carry water for a hydroelectric project is to be constructed in granite. The maximum wat

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C An Unlined Tunnel Which Will Carry Water For A Hydroelectric Project Is To Be Constructed In Granite The Maximum Wat 1
C An Unlined Tunnel Which Will Carry Water For A Hydroelectric Project Is To Be Constructed In Granite The Maximum Wat 1 (158.23 KiB) Viewed 9 times
c) An unlined tunnel which will carry water for a hydroelectric project is to be constructed in granite. The maximum water pressure acting on the granite is estimated to be 10MPa. The modulus of elasticity of the granite is measured to be 3.4 x 104 MPa: 1) How much will 3 m of rock around the tunnel be strained by the force of the water? ii) If the weight of the rock is 25.9 kN/m' and the tunnel is overlain by 20 m of rock, what is the rock stress in KN mº acting on the top of the tunnel [25 marks]
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