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CE 441 Reinforced Concrete Design Assignment 5
Due Thursday October 20, 2011
A concrete floor system consists of parallel T-beams spaced 10 ft on centers that have 30 ft span
between supports and an overhanging 10 ft extension past
CE 441 Reinforced Concrete Design
Homework — 3
Assigned September 14, 2010, Due September 21, 2010
1. An overhanging cantilever beam as shown below is made using concrete of compressive
strength 4000 psi and Grade 60 steel. The beam cross section at XX, w
CE 441 Reinforced Concrete Design
Homework — 1
Assigned August 28, 2010, Due September 7, 2010
1. A reinforced concrete beam has a width of 12 in and an effective depth (from the extreme
compression ﬁber to the centroid of the tension steel) of 22 in. The
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CE 441 Reinforced Concrete Design Assignment 7
Due Thursday November 5, 2015
See Lecture 11 from October 27-29
Consider the 15-inch by 20-inch tied column, with four # 11 bars that are arranged as shown below. The
Name: _ _ _ SOLUTION _ _ _ _ _ _ _ _ _
CE 441 Reinforced Concrete Design Assignment 8
Due Tuesday December 4, 2007
1. Calculate the development length ld of a No. 7 epoxy coated tension bar in a beam. Centroid of bar is 3 inches
from the bottom of beam. C
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CE 441 Reinforced Concrete Design Assignment 7
Due Thursday November 1, 2007
1. Design a rectangular column to carry a concentric dead load of PD= 190 k plus a concentric live load of
PL= 170 k. As
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CE 441 Reinforced Concrete Design Assignment 5
Due Thursday October 11, 2007
1. For the T-beam section determine the balanced steel area Asb. Check to see if the actual As=five #10 bars is
within the minimu
CE441 Assignment 4
October 4-9, 2007
Note: Time t in the equation for creep strain is the time during which the stress is present. It is not the age of the
concrete.
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CE 441 Reinforced Concrete Design Assignment 2
Due Thursday September 13, 2007
1. Calculate , b, a, Mn, and for a rectangular section that has a width b= 12 in. and an effective depth
d=22 in. fc '=6 ksi an
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CE 441 Reinforced Concrete Design Assignment 2
Reinforced concrete weighs 150 lbs/ft3
Due Thursday September 15, 2011
Help session is on Wednesday at 7:00 PM in New Snell 239
1. A rectangular reinforced concrete
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CE 441 Reinforced Concrete Design Workshop 1 Review of Strength of Materials
Thursday August 30, 2007
Due at the end of class
The stress-strain (f-) relationship for a hardened rubber material is g
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CE 441
FINAL EXAM
Science Center Lecture Room 162
December 10, 2007
Monday
7:00 pm - 10:00 pm
CLOSED TEXTBOOK AND CLOSED NOTES
ACI-318 CODEBOOK AND FOUR SHEETS OF NON-PHOTOCOPIED PERSONAL NOTES
WITHOUT EXAMPLE P
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CE 441 Reinforced Concrete Design Assignment 5
Due Thursday October 15, 2015
Es=29,000 ksi for all steel
Help session by Melissa Bogart is on Monday October 12 at 7:00 PM in Rowley 244
Following the procedure outlined in Lecture
Name: _SOLUTION_ _ _ _ _ _ _
CE 441 Reinforced Concrete Design Assignment 4
The elastic modulus of steel is Es=29,000 ksi
Due Thursday October 8, 2015
Help session by Melissa Bogart is on Monday October 5 at 7:00 PM in Rowley 244
Express Mn in k-ft units
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CE 441 Reinforced Concrete Design Workshop 3: One-way slabs and T-beams
Tuesday Oct. 6, 2015
Due at the end of class
A concrete floor system consists of simply supported parallel T -beams spaced 12 ft on centers that have 28 ft
s
Lecture 11 Columns and Beam-Columns
October 27-29, 2015
Minimum clear spacing of all steel bars is at least 4/3 times largest size concrete aggregate in addition to
all other requirements.
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CE 441 Reinforced Concrete Design Workshop 2: Design of Beams with Tension Steel
Thursday Sept. 6, 2007
Due at the end of class
A rectangular beam made using concrete with compressive strength fc'=
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CE 441 Reinforced Concrete Design Assignment 3
The elastic modulus of steel is Es=29,000 ksi
Reinforced concrete weighs 150 lbs/ft3.
Due Thursday September 22, 2011
Help session is on Wednesday at 7:00 PM in New S
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CE 441 Reinforced Concrete Design Assignment 4
Modulus of elasticity of steel is Es=29,000,000 psi.
Due Thursday October 13, 2011
Help session is on Wednesday at 7:00 PM in New Snell 239
1. The T-beam section ha
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CE 441 Reinforced Concrete Design Assignment 1
The elastic modulus of steel reinforcement is Es=29,000 ksi
Due Thursday September 3, 2015
Areas of individual reinforcement bars are given on page 507 of ACI-318-14. Assume norm
Name: SOLUTION
CE441
Workshop 1 on Ultimate Strength Design of Beams with Tension Steel
Thursday September 3, 2015
Due at the end of class
A simply supported beam has a span of L=24 ft and is to carry a uniformly distributed superimposed (additional to th
CE 441 Reinforced Concrete Design
Homework - 2
Assigned September 7, 2010, Due September 14, 2010
1. Design a rectangular beam section [select b, d, h, and As] at mid-span for a 22 ft span simply
supported rectangular beam that supports its own dead load,
CE 441 Reinforced Concrete Design
Homework — 4
Assigned September 23, 2010, Due September 30, 2010
1. Compute pm for the T-beam shown below. Also determine the value for Ami". f’c = 4500 psi and
fy = 60 ksi.
48 in l
<————p
19in 22in
12m
2. Compute ¢Mn