Solve the problem using the given method, provide complete solutions. STEEL DESIGN2.3 LOAD COMBINATIONSNSCP 2010 includes combinations for both allowable stress design (ASD) and load andThe number of combinations can be extensive, taking into consideration wind direction, «It is not unusual for computer printouts with 20 to 30 or even more load combinations toFortunately, not all structural members will be subjected to every type of load. Therefore,of the load combination formulas.Load Combinations for Allowable Strength DesignThe following are the basic load combinations used with ASD, as given in NSCP 2010 201) D+ F2) D+ H+ F+ L + T3) D+ H + F + (L, or R)4) D+ H + F + 0.75( L + T) + 0.75(L, or R)5) D+ H + F + (W or 0.7E)6) D+ H + F + 0.75(W or 0.7E)+0.75L + 0.75(L, or R)7) 0.6D + W + H8) 0.6D + 0.7E + HExample 2.1Calculating Load Using ASDThe loads on a steel beam consist of 150 kN due to dead load and 410 kN due to liveconsidered. Using ASD, calculate the required strength of the beam.Load Combinations for Load and Resistance Factor DesignThe following are the basic load combinations used with load and resistance factor design2010 203.3.1.1) 1.4(D + F)2) 1.2(D + F + T) + 1.6(L + H) + 0.5(L, or R)3) 1.2D + 1.6(L, or R) + (f¡L or 0.8W)4) 1.2D + 1.6W + fjL + 0.5(L, or R)5) 1.2D + 1.0E + fjL6) 0.9D + 1.6W + 1.6H7) 0.9D + 1.0E + 1.6HWhere:fi = 1.0 for floors in places of public assembly, for live loads in excess of 4.8 kPa,= 0.5 for other live loads 5. Beams will be designed for the roof and floor systems of an office building. The loads for these systems are asfollows:Roof: dead load = 30 kPa, roof live load = 20 kPa, wind load = 21 kPa, and a rain load consisting of 10 cm of water.Floor: dead load = 62 kPa and occupancy live load = 80 kPa.a. For each of these systems, determine the required factored load capacity for LRFD. Which load combinationcontrols?b. For each of these systems, determine the required ASD load capacity. Which load combination controls?h diagonal braei

Design Load combination (LRFD) :-1.2DL + 1.6LL + 0.8WL & 0.9 DL + 1.6WL Allowable load…

5. Beams will be designed for the roof and floor systems of an office building. The loads for these systems are as follows: Roof: dead load = 30 kPa, roof live load = 20 kPa, wind load = 21 kPa, and a rain load consisting of 10 cm of water. Floor: dead load = 62 kPa and occupancy live load = 80 kPa. a. For each of these systems, determine the required factored load capacity for LRFD. Which load combination controls? b. For each of these systems, determine the required ASD load capacity. Which load combination controls?

5. Beams will be designed for the roof and floor systems of an office building. The loads for these systems are as follows: Roof: dead load = 30 kPa, roof live load = 20 kPa, wind load = 21 kPa, and a rain load consisting of 10 cm of water. Floor: dead load = 62 kPa and occupancy live load = 80 kPa. a. For each of these systems, determine the required factored load capacity for LRFD. Which load combination controls? b. For each of these systems, determine the required ASD load capacity. Which load combination controls?

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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