A W18x60 is used as a column to carry a dead load of 900 kN and a live load of 1350 kN. Design a  base plate to support the column m=n. The concrete compression block is 700 mm x 700 mm with  fc’ = 21 MPa. Use A50 steel base plate. USE LRFD

Details of a rectangular column are as follows: Column width along X-axis-250 mm Column Depth along the Y-axis-600 mm 8-25 mm diameter bars distributed equally along the longer sides. 10 mm diameter ties spaced at 10 mm on centers Concrete 28th day Compressive strength, fc;=20.7 MPa Reinforcing Steel yield strength, fy-415 MPa Assume that compression steel yields. a) Which of the following gives the nominal balanced load Pb (kN). A = 90.4 mm b) Which of the following gives the nominal axial load (kN) that the column n carry at an eccentricity of 200 mm along the X axis from the centroidal Y-axis.

The T-beam used in a heavy storage warehouse is made of concrete having a specific weight of 19.6 kN/m3. Determine the dead load per meter length of beam, and the live load on the top of the beam per meter length of beam. Use 20-mm dia. cold-form steel reinforcing rods.

2. The column shown in the figure is reinforced with 6 - 25mm diam steel with fy: = 415Mpa and f'c = 27Mpa a. Determine the nominal load pn when e = 200mm b. Determine the nominal load when e = 350mm C. 250 mm 65 mm 400mm 65 mm e CD Pn

Give me right solution  A 30 feet long steel column has effective lengths as(kL)x =20 ft and(kL)y =10. The cross section of the column is W12x58. The column yield strength is 50 ksi. The column compressive strength (kips) is most nearly A.650  B. 750  C. 390  D. 500

The uniform aluminum bar AB has a 20 x36-mm rectangular cross section and is supported by pins and brackets as shown. Each end of the bar may rotate freely about a horizontal axis through the pin, but rotation about a vertical axis is prevented by the brackets. Using E= 70 GPa, determine the allowable centric load P if a factor of safety of 2.5 is required

Determine the ASD and LRFD compressive strength of the column.

The W10 × 88 column shown bears on a concrete pedestal of the same size as the square column base plate. The column load is Pu = 600 kips (LRFD) or Pa = 400 kips (ASD). The compressive strength of the concrete is 5 ksi. Section properties A = 25.9 in TIH d = 10.8 in tw = 0.605 in bf = 10.3 in tf = 0.99 in bf/2tf = 5.18 h/tw = 13.0 n (A) 15 in x 15 in × 1 in (C) 16 in x 16 in × 1 in 0.80bf B n n 0.95d N n The smallest of the following base plates that meets the design criteria is (B) 15 in x 15 in x 1.25 in (D) 16 in x 16 in × 1.25 in Material properties W10 × 88 ASTM A992 Fy = 50 ksi Fu = 65 ksi plate ASTM A572, grade 50 Fy = 50 ksi Fu = 65 ksi

A beam has a width of 300 mm and an effective depth of 480 mm strength Pc= 34 MPa. Steel yield strength fy=415 MPa. The section is to be reinforced for tension only and the effective concrete cover is 70 mm. Deadload moment is 140 kN-m and the liveload moment is 180 kN-m. Use 2010 NSCP with t= 0.005. A. What is the governing steel ratio? B. What is the maximum number of bars needed for a 25mm diameter reinforcements? C. What is the minimum number of bars needed for a 25mm diameter reinforcements?

A beam must be designed to the following specifications: Span length = 35 ft Beam spacing = 10 ft 2-in. deck with 3 in. of lightweight concrete fill (wc=115 pcf) for a total depth of t=5 in. Total weight of deck and slab = 51 psf Construction load = 20 psf Partition load = 20 psf Miscellaneous dead load = 10 psf Live load = 80 psf Fy=50 ksi, fc=4 ksi Assume continuous lateral support and use LRFD. a. Design a noncomposite beam. Compute the total deflection (there is no limit to be checked). b. Design a composite beam and specify the size and number of stud anchors required. Assume one stud at each beam location. Compute the maximum total deflection as follows: 1. Use the transformed section. 2. Use the lower-bound moment of inertia.