A simply supported rectangular beam with the sectional dimensions of b × h=250×600mm carries a uniform load of 8 kN/m(including self weight) and two concentrated variable loads of 120 kN which both refer to the design values. The grades C25, HPB300 and HRB335 are used for concrete, stirrups and longitudinal bars, respectively. The thickness of concrete cover is 25mm. Please calculate the area of reinforcements and then sketch the beam with reinforcement details. q=8 kN/m P=120 kN P=120 kN 120 2000 2000 2000 120

A simply supported rectangular beam with the sectional dimensions of b × h=250×600mm carries a uniform load of 8 kN/m(including self weight) and two concentrated variable loads of 120 kN which both refer to the design values. The grades C25, HPB300 and HRB335 are used for concrete, stirrups and longitudinal bars, respectively. The thickness of concrete cover is 25mm. Please calculate the area of reinforcements and then sketch the beam with reinforcement details. q=8 kN/m P=120 kN P=120 kN 120 2000 2000 2000 120

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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Concept explainers

Design criteria for structural loading

The different loads such as loads due to self-weight (dead load) and external loads such as live load, wind loads, seismic load, snow load, and other loads and load combinations that influence the design of a building are called structural loading. The nature of the applied load differs from changes in the location, design, and type of materials used. The design criteria require that structures must be designed and constructed to be able to withstand all load types that are expected to act upon the structure and render its usage for the designated purpose. The structural members such as beams, slabs, columns, and foundations help the structure to withstand the applied load. There are different institutes such as ASCE and ACI that provide building design codes to assure minimum safety requirements and quality of the structures.

Question

A simply supported rectangular beam with the sectional dimensions of b ×
h=250× 600mm carries a uniform load of 8 kN/m(including self weight) and
two concentrated variable loads of 120 kN which both refer to the design
values. The grades C25, HPB300 and HRB335 are used for concrete, stirrups
and longitudinal bars, respectively. The thickness of concrete cover is 25mm.
Please calculate the area of reinforcements and then sketch the beam with
reinforcement details.
q=8 kN/m
P=120 kN
P=120 kN
120
2000
2000
2000
120

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Step 2 Load Calculations

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Step 3 Design for flexure

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Step 4 Design for flexure

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Step 5 Check for maximum and minimum reinforcement

Step 6 Design

Step 7 Shear Design

Step 8 Shear Design

Step 9 Reinforcement Details

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