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session.masteringengineering.com Course Home MasteringEngineering.. Solved: The bulkhead A The Bulk Head AD Is The Bulk Head AD Is Su Solved: The bulkhead A The bulk head AD is subjected to both water and soil- backfill pressures. The bulk head has a mass of 550 kg.Suppose that wwater 114 kN/m and wsoil 320 kN/m . (Figure 1) Part A Assuming AD is "pinned" to the ground at A, determine the # and y components of reaction at A necessary for equilibrium. Express your answers using three significant figures separated by a comma. A,, A487.48,5329 kN Submit Incorrect: One attempt remaining: Try Again Figure 1 of 1 Part B 0.5 m Determine the required tension in the ground anchor BC necessary for equilibriumm. Express your answer to three significant figures and include the appropriate units. 6 m 4 m F= Value Units WwaterA Wool SubmitExplanation / Answer
Water force =(height of water*specific weight)
=4*114*0.5
=228 kN
Location of water force from A point above = 2/3 m(cg of the water)
soil force=(height of soil* 0.5*specific weight)
=6*320*0.5
=960 kN
location of Soil force from above A point=0.5*6
=3m
Diffenence in horizental,(960-228)=732kN
Vertical force=550*9.8
=5.39kN
Resultant for horizental & vertical force=(7322+5.392)0.5
=732.2kN.(approx)
Considering equilibrium at A,
228*(2/3) -(960*3)+(F*5.5)=0
Or,152-2880+F*5.5=0
Or,F=496KN
Required force 496 KN.
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