British methods, design a concrete mix to bear an average compressive strength of 35 MPa at 28 days, to cast a room slab with the following dimensions (5 width x 4 length x 0.2 depth m) and 200 mm space distance of reinforcement. Consider the following properties: o Cement used is type I Portland cement ® Required slump = 30 — 60 mm o Coarse aggregate: ® Crushed rocks * Maximum size of 40 mm, e The fine aggregate: * Crushed rocks = Falls in zone 3 o Assume zone A for figure 1 o AssumeK = 1.64

Structural Analysis
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Q. Using the British methods, design a concrete mix to bear an average compressive strength of 35 MPa at 28 days, to cast a room slab with the following dimensions (5 width x 4 length x 0.2 depth m) and 200 mm space distance of reinforcement. Consider the following properties: o Cement used is type I Portland cement ® Required slump = 30 — 60 mm o Coarse aggregate: ® Crushed rocks * Maximum size of 40 mm, e The fine aggregate: * Crushed rocks = Falls in zone 3 o Assume zone A for figure 1 o AssumeK = 1.64
Q. Using the British methods, design a concrete mix to bear an average compressive
strength of 35 MPa at 28 days, to cast a room slab with the following dimensions (5 width
x 4 length x 0.2 depth m) and 200 mm space distance of reinforcement. Consider the
following properties:
Cement used is type I Portland cement
Required slump = 30 – 60 mm
Coarse aggregate:
Crushed rocks
Maximum size of 40 mm,
The fine aggregate:
Crushed rocks
Falls in zone 3
Assume zone A for figure 1
Assume K = 1.64
Transcribed Image Text:Q. Using the British methods, design a concrete mix to bear an average compressive strength of 35 MPa at 28 days, to cast a room slab with the following dimensions (5 width x 4 length x 0.2 depth m) and 200 mm space distance of reinforcement. Consider the following properties: Cement used is type I Portland cement Required slump = 30 – 60 mm Coarse aggregate: Crushed rocks Maximum size of 40 mm, The fine aggregate: Crushed rocks Falls in zone 3 Assume zone A for figure 1 Assume K = 1.64
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