Determine the weight of rebar reinforcement for the tunnel concreting works per specified diameter, using the following considerations: a. Rebars are assumed at 150 kg per cubic meter of concrete. b. Proportions: i. 32-mm dia. Rebar = 30% ii. 25-mm dia. Rebar = 25% iii. 20-mm dia. Rebar = 20% iv. 16-mm dia. Rebar = 15% V. 10-mm dia. Rebar = 10%
Determine the weight of rebar reinforcement for the tunnel concreting works per specified diameter, using the following considerations: a. Rebars are assumed at 150 kg per cubic meter of concrete. b. Proportions: i. 32-mm dia. Rebar = 30% ii. 25-mm dia. Rebar = 25% iii. 20-mm dia. Rebar = 20% iv. 16-mm dia. Rebar = 15% V. 10-mm dia. Rebar = 10%
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
Determine the weight of rebar reinforcement for the tunnel concreting works per specified
diameter, using the following considerations:
a. Rebars are assumed at 150 kg per cubic meter of concrete.
b. Proportions:
i. 32-mm dia. Rebar = 30%
ii. 25-mm dia. Rebar = 25%
iii. 20-mm dia. Rebar = 20%
iv. 16-mm dia. Rebar = 15%
V. 10-mm dia. Rebar = 10%
Transcribed Image Text:Gabler, a tunnelling supervisor, designed a 10-meter-long tunnel with the following section details.
TOPSOL
BACKFILL
PLAIN CONCRETE BEDDING
WATERPROOFING
MEMBRANE
2000 mm
Il
1250 mm
14000 mm
ww009
L
1250 mm
TOPSOIL
BACKFILL
2000 mm
7250 mm
2000 mm
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