Please help me answer part B.....i couldnt answer it. A tunnel of length L - 180...
A tunnel of length L = 130 m, height H = 7.3 m, and width 5.5 m (with a flat roof) is to be constructed at distance d = 47 m beneath the ground. (See the figure.) The tunnel roof is to be supported entirely by square steel columns, each with a cross-sectional area of 893 cm2. The mass of 1.0 cm3 of the ground material is 2.1 g. (a) What is the total weight of the ground material the...
i got 1.4 but it was incorrect
and i am not sure why. Please help!
READING 2 Materials fracture when the force per unit area, called STRESS, exceeds a critical value. In general, the critical stress depends on the direction as well as the magnitude of the force. For example, bones break differently when subjected to torsional (twisting) stress than when subjected to compressional (or squeezing) stress. Let us consider compressional stress. Wet human bone for 20-39 year olds has...
answer the questions based on the informations on the 3 pictures
please:
What are the essential responsibilities of a structural
designer or engineer in designing a structure?
What factors would you consider and why when planning the
design of a building structure?
You are the project team leader for the design of a single
family house in southwest Houston area. Discuss the types of
structural loads you think are important and explain
why.
d) Thermal load changes in perature cause...