Solution to Problem 457 | Moving Loads Jhun Vert Tue, 04/21/2020 - 08:59 pm

Problem 457
A truck and trailer combination crossing a 12-m span has axle loads of 10, 20, and 30 kN separated respectively by distances of 3 and 5 m. Compute the maximum moment and maximum shear developed in the span.
 

Solution to Problem 456 | Moving Loads Jhun Vert Tue, 04/21/2020 - 08:58 pm

Problem 456
Three wheel loads roll as a unit across a 44-ft span. The loads are P1 = 4000 lb and P2 = 8000 lb separated by 9 ft, and P3 = 6000 lb at 18 ft from P2. Determine the maximum moment and maximum shear in the simply supported span.
 

Solution to Problem 455 | Moving Loads Jhun Vert Tue, 04/21/2020 - 08:49 pm

Problem 455
A tractor weighing 3000 lb, with a wheel base of 9 ft, carries 1800 lb of its load on the rear wheels. Compute the maximum moment and maximum shear when crossing a 14 ft-span.
 

Solution to Problem 454 | Moving Loads Jhun Vert Tue, 04/21/2020 - 08:42 pm

Problem 454
Repeat Prob. 453 using axle loads of 30 kN and 50 kN on a wheel base of 4 m crossing an 8-m span.
 

Solution to Problem 453 | Moving Loads Jhun Vert Tue, 04/21/2020 - 08:35 pm

Problem 453
A truck with axle loads of 40 kN and 60 kN on a wheel base of 5 m rolls across a 10-m span. Compute the maximum bending moment and the maximum shearing force.
 

Problem 342 | Equilibrium of Parallel Force System Jhun Vert Sun, 04/19/2020 - 11:16 am

Problem 342
The wheel loads on a jeep are given in Fig. P-342. Determine the distance x so that the reaction of the beam at A is twice as great as the reaction at B.
 

Wheel loads of a jeep moving across the beam