CE 532 Prestressed Concrete (3 - 0:3)

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Nov 25, 2013 (3 years and 10 months ago)

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CE 532

Prestressed Concrete

(3
-

0:3)

Description
:
Basic principles, short
-

and long
-
term properties of constituent materials, partial prestressing. Flexural behavior, analysis and design of prestressed concre
te
beams, classes, cracking, pretensioning,

post
-
tensioning, service load design, load balancing, strength design, strain limits, flexural efficiency. Bond, transfer and
development lengths, anchorage zone design. Shear and diagonal tension. Evaluation of immediate and long
-
term losses. Composite c
onstruction and design, shear
-
friction
theory. Deflection calculation using approximate single time step approach
.

Pre
-
requisite:

CE

432 Reinforced Concrete 1


Student Assessment and Grading:

As
signments (10%),

2 Exams @ 2
5
% each (
5
0%), Final Exam (40%)


Learning outcomes, delivery and assessment methods
-

Cross Reference Table:


Student Learning Outcome

Method of Delivery

Assessment Methods

Program Objectives

ABET 2000
Criterion 3

1.

Undestand basic concepts; eqivalent loads,
stressing methods, Prestressing
force, losses,
material properties.

Examples and problems.

Assignments and exams.

1,2, 3

a,b,e

2.

Determine
flexural stresses in p
retressed
concrete beams at different stages of
con
struction and loadings.


Examples and problems
.

Assignments and exams.

1,2,
3

a,b,e

3.

Calculating cracking load and flexural
strength using different approaches.

Examples and problems.

Assignments and exams.

1,2, 3

a,b,e

4.

Design
various shaped
-
sections
for flexural
moment using stress basis, load balancing
and strength methods.

Des
ign anckarage
zone.

Examples and problems

Assignments and exams

1,2, 3,4,5

a, b,c,d,e,g

5.

Design

of

web reinforcement for shear.

Examples and problems

Assignments and exams

1,2, 3,4,5

a, b,c,d,e,g

6.

Compute/estimate
short term and long term
prestressing loss
es.

Examples and problems

Assignments
and exams

2, 3

a,b,e

7.

Analysis and design of composite cast in
place slabs with precast prestressed girders.

Examples and problems

Assignments and exams

1,2, 3,4,5

a, b,c,d,e,g

8.

Compute deflections and camber in
prestr
essed concrete beams.


Examples and problems

Assignments
and exams

1,2, 3, 4,

a, b,c, e

9.

Analyze and design

of
prestressed
continuous beams.


Examples and problems

Assignments
and exams

2, 3, 4, 5, 6

a,b,c,d, e, f,g




Catalog

Data

CE 532 Prestressed Concrete


(3





3)


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.


Textbook

Nilson, Arthur, H., Design of Prestressed Concrete, John Wiley and Sons.



Reference
s

1
-

Nawy, E. G., Prestressed Co
ncrete A Fundamental Approach,
Prentice Hall.

2
-

PCI Design Handbook, Prestressed/Precast Concrete Institute

3
-

Building Code Requirements for Structural Concrete (ACI 318M
-
02)
and Commentary (ACI RM
-
02).


Coordinator

Mohammad Smadi


Goals

1.

To develop firm basi
c understanding of the fundamental principles of
prestressed concrete behavior, and prestressing capabilities.

2.

To be fully aware of the differences in the material properties and


structural behavior of prestressed verses reinforced concrete eleme
nts.

3.

To be able to handle with confidence complete design of prestressed
concrete elements using various approaches.

4.

To a
pply fundamental concepts of analysis and design of prestressed concrete

structures.






Pre
-
Requisites by Topic

1.

Stress strain relations


2.

Analysis of dete
rminate and indeterminate structures


3.

Properties of Concrete and Steel



4. Design of reinforced concrete beams for flexure and shear


CE 532

Prestressed Concrete

Learning
Outcomes

After completing this
course, the students will be able to:

1.

Undestand the basic concepts of prestressing procedures and materials, and
the differences with reinforced concrete.

2.

Determine flexural s
tresses in p
retressed concrete beams at different stages
of construction

and loa
dings

as well as cracking load and flexural strength.

3.

Analyze and design
various shaped
-
sections of prestressed concrete beams
for flexure and shesr, and design the end zone.

4.

Compute/estimate
short term and long term prestressing losses.

5.

Analyze and desi
gn composite cast
-
in
-
place slabs (decks) with precast
prestressed girders.

6.

Compute deflections and camber in prestressed concrete beams.

7.

Analyze and design

prestressed continuous beams.

Topics

1. Principles and methods of prestressing

0
5

Lectures (50 min each)


2. Prestressing materials: steel

and concrete

03 Lectures


3. Stress
es, cracking and strength computations

10

Lectures


4. Flexure: working stress analysis and design

0
7

Lectures


5. Flexure: ultimate strength analysis and design

03 Lectures


6. Design for shear

04 Lectures


7. E
stimation of losses

02 Lectures


8.
Analysis and design of composite beams

03 Lectures


9
. Deflection computation and control

0
3

Lectures


10
. Analysis and design of continuous beams

06 Lectures


11. Exams

02 Lectures


Computer Usage

ST
T
AD

Pro
, PROKON,

Self programming
.


Method of Assessment
[Assignme
nts, Quizzes,
Exams,

etc.]:

Assignments and Quizzes = 10%, Two Exams =
50%,

Final Exam = 40%

Estimated
Content

Engineering Science

0.5 Credit

Engineering Design

2.5 Credit

Prepared by

Mohammad Smadi

Da
te :
Monday, November 25, 2013