1. (b) A wheeled tractor has a combined loading on the rear driving wheels of 2.65 tons and each wheel has a contact are

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1 B A Wheeled Tractor Has A Combined Loading On The Rear Driving Wheels Of 2 65 Tons And Each Wheel Has A Contact Are 1 (21.01 KiB) Viewed 42 times

1. (b) A wheeled tractor has a combined loading on the rear driving wheels of 2.65 tons and each wheel has a contact area of 0.11 m and contact length of 400 mm. It operates on a soil with cohesion, c-5 kN/mº, angle of internal friction, o = 29" and soil deformation modulus, K = 35 mm. Assume that the acceleration due to gravity is 9.81 m/s iii) iv) Estimate the ideal maximun thrust, Him Find the slip when the soil thrust, H=8 LN (Use a-he the tables provided) Comment on the result obtained from Question 1(b)(ii). What will happen to the slip when there is a 50 per cent increase in wheel contact length?