Given ten (10) units of isolated rectangular footing, 1.20m x 2.00m x 0.30m, reinforced with 10pcs -12mm diameter bars along the 1.20m dimension and 6pcs - 12mm diameter bars along the 2m dimension, (Structural Grade rebar). The depth of excavation is 2m below the natural ground and the soil is sandy loam. Use Class A concrete mixture and concrete cover of 75mm. Assume no wastage. Make a Bid Price in BOQ format. How much is your bid amount? * Subject: Construction Methods

Given ten (10) units of isolated rectangular footing, 1.20m x 2.00m x 0.30m, reinforced with 10pcs -12mm diameter bars along the 1.20m dimension and 6pcs - 12mm diameter bars along the 2m dimension, (Structural Grade rebar). The depth of excavation is 2m below the natural ground and the soil is sandy loam. Use Class A concrete mixture and concrete cover of 75mm. Assume no wastage. Make a Bid Price in BOQ format. How much is your bid amount? * Subject: Construction Methods

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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A footing of size 2.5 m x 2.5 m and 500 mm thick resists characteristic axial loads of 800kN dead and 300 kN imposed from a 400 mm square column. The safe bearing pressure on the soil is 230 kN/m2 and the characteristic material strengths are fcu = 35 N/mm2, fy=460N/mm2. Density of concrete is 24 k N/m3. Cover to all reinforcement is 50 mm. Determine the design load b) Check whether the base pressure is safe c) Design the bending reinforcement, assuming 16 mm diameter bars.
You are planning to build a three story above ground building with a basement parking garage below ground. The bottom of your slab/foundation will be 17 ft below existing grade. You plan to keep the ground water level in the excavation 3.0 ft below the bottom of the foundation for approximately 3 months. The water table is 11 ft below existing grade. The soil is uniform medium sand down to a depth of approximately 50 ft. The soil below 50 ft is an impervious clay. Your excavation will be 320 ft x 150 ft. You have determined that a 4 ft wide x 3 ft deep sump around the perimeter of your excavation will provide adequate dewatering capacity. Based on test wells on site, you determined that the medium sand has a k value of .058 ft/min and that the D factor is 50 ft. a. Label D, H, and ht on the given diagramb. Calculate the flow rate, q c. Calculate the total volume of water that will need to be pumped in gallons per minute (GPM)
Problem # 2 The slab shown is unsupported along the longer edge and fixed all the other sides. It sustains a service live load if 5 kPa, and sustains the slab weight as service dead load (concrete density if 23.56 kN/m³). Assuming fc'=28 MPa, fy =415 MPa and slab thickness of 165 mm, determine design moments using the strip method. 3.6 m 5.7 m
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A simply supported 1 way slab having span of 3 meters is to carry the load for DL = 5kpa and LL = 4.8Kpa. If the concrete f'c = 28Mpa and rebar to be used is 10mm with fy = 276Mpa. a.) Determine the minimum thickness of the 1 way slab.(answer in millimeter in whole number) b.) Determine the Ultimate loading combination for the slab considering 1 meter strip?(answer in KN/m. in 3 decimal places ) c.) Determine the Ultimate moment for the slab considering 1 meter strip?(answer in KN-m. in 3 decimal places) d.) Determine the effective depth of the slab considering concrete cover = 20mmanswer in millimeter. in whole number e.) Determine the area of reinforcement for the slab based on the actual loadings.(answer in sq.mm. in 3 decimal places) f.) Determine the spacing of the rebar.(answer in millimeter(Don't round up, use actual value). in 3 decimal places)
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2. Design a one-way slab to carry a service live load of 4000 Pa. The slab has a length of 4m with both ends continuous. Assume f'c = 21MPa and fy = 415 MPa for main bars and fy=276 MPa for temperature bars. Unit weight of concrete is 23.5 kN/m³.
1) Design a rectangular footing for an 16” square corner Column with PDL = 280 kips and PLL = 180 Kips. Make the length of the long side about 1.5 the width of the short side. Fy = 60 ksi F’o= 4000 psi for both, column and footing. Assume the base of the footing is 4'-6" below grade and the depth of the footing is 26". The soil weight is 100 PCF. (Normal weight concrete, No epoxy coating, The Column is reinforced with eight #8 bars.) Need to design for load transfer from the Column to the foating. Need to Show the development length for the dowels. Need to design the bars for footing at both directions. Need to check if the bars fit the footing based on the development legth. Need to show two-way footing Spacing diagram.
Describe the procedure to determine values for the coefficient of consolidation.