Calculate the total load on the concrete beam per metre length.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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Loading on a reinforced concrete beam
A reinforced concrete beam spans 6m between supporting columns. The beam is 250 mm
wide and 450 mm deep and supports a 5m wide portion of slab 175 mm deep.
a. There is a 40 mm deep concrete topping layer on top of the slab.
b. The floor supports offices.
c.
There is also a non-load-bearing masonry (blockwork) wall directly above the beam
and running along the line of the beam. This blockwork wall is 2.5 m high, 200 mm
thick and is finished on both sides with plaster of weight 0.5 kN/m²
Calculate the total load on the concrete beam per metre length.
(Note: don't forget to include the weight of the beam itself.)
Unit weight of concrete = 24 kN/m³ (Appendix 1)
Unit weight of blockwork = 22 kN/m³ (Appendix 1)
Live load due to offices = 2.5 kN/m² (Appendix 1)
Centrelines of
supporting
columns
6000
(a) Long section through beam
Blockwork
wall
40
200
250
All dimensions are in
millimetres
(b) Section A-A
2500
400
Transcribed Image Text:Loading on a reinforced concrete beam A reinforced concrete beam spans 6m between supporting columns. The beam is 250 mm wide and 450 mm deep and supports a 5m wide portion of slab 175 mm deep. a. There is a 40 mm deep concrete topping layer on top of the slab. b. The floor supports offices. c. There is also a non-load-bearing masonry (blockwork) wall directly above the beam and running along the line of the beam. This blockwork wall is 2.5 m high, 200 mm thick and is finished on both sides with plaster of weight 0.5 kN/m² Calculate the total load on the concrete beam per metre length. (Note: don't forget to include the weight of the beam itself.) Unit weight of concrete = 24 kN/m³ (Appendix 1) Unit weight of blockwork = 22 kN/m³ (Appendix 1) Live load due to offices = 2.5 kN/m² (Appendix 1) Centrelines of supporting columns 6000 (a) Long section through beam Blockwork wall 40 200 250 All dimensions are in millimetres (b) Section A-A 2500 400
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