Loading on a reinforced concrete beam
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Provided is the question along with some notes taken in the lecture, i am not sure if i am correst so if you could do some workings out for me that would be great , thank you.

Transcribed Image Text:· ""'
22:33
Diego Garduno
3m ago
60
Blockwork = 2-5 x-2 × 1×22= ||
2(2-5x0-5x1) = 2.5
21.0
Plaster =
Slab
5m x 24 x0.175 =
= 4.8
Topping lager 5mx 0.04 x 24 =
Beam self weight = 0.25x 0.225 x/x24 = 1-35
Live load = 2.5 x5 = 12-5
(1+25 +21 +48 +1.35 +12-S
→> 53.15 kN/m²
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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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