The trip distribution calculation using the gravity model for two iterations.

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Part 4: Problem-Solving. Solve the following problems. Show all calculations. 1. A Standard Penetration Test (SPT) was conducted at a site, and the following blow counts were recorded: Depth: 2 m, Blow count (N): 10 D D Depth: 4 m, Blow count (N): 15 Depth: 6 m, Blow count (N): 20 The energy ratio is 60%, and the overburden correction factor CN is 1.1. Calculate the corrected N-values for each depth. 2. A soil sample was collected from a depth of 3 m using a Shelby tube. The sample had a volume of 0.01 m³ and a mass of 18 kg. If the water content is 12%, calculate the (a) bulk density, (b) dry density, and (c) void ratio of the soil. Assume the specific gravity of soil solids (Gs) is 2.65. 3. A Cone Penetration Test (CPT) was conducted at a site, and the following data was obtained: Depth: 2 m, Cone resistance (qc): 5 MPa Depth: 4 m, Cone resistance (qc): 8 MPa Depth: 6 m, Cone resistance (qc): 12 MPa Estimate the soil type at each depth using typical qc correlations.

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Chapter 12, Problem 7P

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The trip distribution calculation using the gravity model for two iterations.

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Part 4: Problem-Solving. Solve the following problems. Show all calculations. 1. A Standard Penetration Test (SPT) was conducted at a site, and the following blow counts were recorded: Depth: 2 m, Blow count (N): 10 D D Depth: 4 m, Blow count (N): 15 Depth: 6 m, Blow count (N): 20 The energy ratio is 60%, and the overburden correction factor CN is 1.1. Calculate the corrected N-values for each depth. 2. A soil sample was collected from a depth of 3 m using a Shelby tube. The sample had a volume of 0.01 m³ and a mass of 18 kg. If the water content is 12%, calculate the (a) bulk density, (b) dry density, and (c) void ratio of the soil. Assume the specific gravity of soil solids (Gs) is 2.65. 3. A Cone Penetration Test (CPT) was conducted at a site, and the following data was obtained: Depth: 2 m, Cone resistance (qc): 5 MPa Depth: 4 m, Cone resistance (qc): 8 MPa Depth: 6 m, Cone resistance (qc): 12 MPa Estimate the soil type at each depth using typical qc correlations.

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A: Wel Question 2 (a) A simple circular hollow section (CHS) tubular K-joint in a steel structure, subjected to balanced axial loading, is illustrated in Figure 2a. Determine the maximum hot spot stress at the joint intersection of the chord and the loaded brace B. (b) The steel structure is installed in the seawater with cathodic protection. Determine the number of stress cycles to failure based on the maximum hot stress range obtained in part (a). Use the NORSOK standard. (Refer to S-N curves for tubular joints in air environment and seawater with cathodic protection). (c) Estimate the number of load repetitions required to induce fatigue failure in the tubular joint, based on the load history provided in Figure 2b. The nominal yield and ultimate tensile strength are 355 N/mm² and 510 N/mm², respectively. Assume a damage limit of 1.0. Use the Modified Goodman formulation to determine the equivalent completely reversed stress. (d) Describe briefly the procedure to determine the hot…