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An unconfined compression test was performed on a soil sample and the axial compressive stress at failure was 42 psi. a) What is the undrained shear strength of the soil; b) State if this test overestimates or underestimates the field shear strength of the soil. Why? c) Which type of soil is most suitable for this type of test.
13. An 8 inch by 8 inch reinforced concrete bar needs to be designed to carry a compressive axial force of 235,000 pounds. Assume the normal stress in concrete to be a uniform maximum of 3ksi and the normal stress in steel bars to be 20ksi, determine the minimum number of 0.25" diameter steel bars needed 13. An 8 inch by 8 inch reinforced concrete bar needs to be designed to carry a compressive axial force of 235,000 pounds. Assume...
1) [Design] A reinforced concrete column is to be sized to carry pure axial compressive load. According to ACI 318, what is the smallest possible cross-sectional area (Ag) that the column can use in design supporting an axial dead load of 200 kips (unfactored) and live load of 400 kips (unfactored). Use fc = 4,000 psi and fy = 60 ksi. Assume pe = 0.08 and ties for transverse reinforcement. Be sure to include the appropriate design factors and use...
Determine the allowable axial compressive load for a 25-foot long A992 W8X40 structural steel column using the AISC procedure as indicated in your textbook. The bottom of the column is fixed, an the top is pinned. Use the material properties and dimensions as indicated in the appendices of your textbook.
Determine the service axial compressive load (P) permitted on HSS 10x8x⅜ (Fy = 65 ksi) having (KL)x = 20 ft and (KL)y = 10 ft. The load consists 35% dead load and 65% live load. Design code to comply with: 2016 AISC LRFD. (Hint: FTB L.S. need not be considered for a HSS section
The plastic block is subjected to an axial compressive force of F 400 N. (Figure 1) The caps at the top and bottom distribute the load uniformly throughout the block Part A Determine the average normal stress acting along section - Express your answer to three significant figures and include appropriate units. : Å Value RO? kPa 0.. = Sube Best - Part B Determine the average shear stress acting long section Express your answer to three significant figures and...
PROBLEM #1 (CET 4450 and EVE 4450) Find: A 4 x 6 carries an axial compressive force caused by dead, live, and roof live loads. Lumber is No. 1 DF-L. CM = 1.0, C=1.0, and C = 1.0. The maximum column load for each LRFD load combination if the unbraced length of the member is a.) 3 ft b.) 6 ft c.) 9 ft d.)12 ft For a, b, c, and d please find le=Kelu : leldy, assuming Ke-1 Fon*...