MCCCD Official Course Competencies:

IRW131  2007 Summer I – 2009 Spring

Reinforcing II: Post Tension

1.

Select the correct minimum wire size to use with specific bar support and place bar support and bars in proper sequence for specific types of construction. (I)

2.

Calculate the quantity of bar supports required for specific types of construction. (I)

3.

Define superstructure and substructure. (II)

4.

Describe the function of reinforcing in footings and locate and interpret the footing schedule. (II)

5.

Tie mats to be used for square or rectangular footings, continuous wall footings, pile caps, Cantilever footings, stepped footings, or mat slabs and place column dowels correctly. (II)

6.

Describe the three basic types of reinforced concrete walls. (III)

7.

Describe the sequence of events when erecting a wall accounting for reinforcing, forms and the pour. (III)

8.

Place the correct reinforcing for inner faces, outer faces and corners of walls. (III)

9.

Describe the different procedures required for cantilever retaining walls. (III)

10.

Use the appropriate tie for wall reinforcing. (III)

11.

Describe the purpose, parts and construction of a column, the different types of columns and make the appropriate ties for column reinforcing. (IV)

12.

Lap splice column sections and provide the appropriate support for column units. (IV)

13.

Place reinforcing parts in order required to avoid threading and confusion in beam and girder construction. (V)

14.

Describe the purpose of closed ties. (V)

15.

Place form ties, anchors, and inserts in order identified for job. (V)

16.

Place reinforcing for a joist and slab system in proper sequence. (VI)

17.

Place reinforcing for a one-way slab, two-way slab, two-way waffle slab, and stairs, on the ground or a grade, in the proper sequence. (VI)

18.

Lap splice and place welded wire fabric and identify wire by style and W-Number. (VI)

19.

Place reinforcing for bins, tanks, and grain elevators in the proper sequence. (VI)

20.

Identify common highway structures and describe the differences between highway reinforcing and building reinforcing. (VII)

21.

Describe the bar supports, bar lists, and bundling techniques used in highway construction and describe the use of cover on highway structures. (VII)

22.

Describe the state- to -state difference for pavement construction. (VIII)

23.

Describe the effects of incorrectly placed bar in pavement and place reinforcing for pavement construction. (VIII)

24.

Describe the different types of joints used in pavement construction. (VIII)

25.

Describe bar length limitations, the purpose of splicing and demonstrate the three types of splices. (IX)

MCCCD Official Course Outline:

IRW131  2007 Summer I – 2009 Spring

Reinforcing II: Post Tension

I. Bar Supports

A. Classification of Bar Supports

B. Wire Sizes

C. Types and Sizes of Bar Supports

D. Definitions of Bar Supports

E. One-way Joist Construction

F. Beams and Girders

G. Slab Spacers

H. Placement of Supports and Bars

I. Calculation of Bar Quantities

J. Reed Clips K Bar Supports for Highway Bridge Slab Reinforcement

II. Placing Reinforcing Steel In Footings

A. Superstructure

B. Substructure

C. Function

D. Footing Schedule

E. Types of Footings

1. Square

2. Rectangular

3. Continuous Wall

4. Pill Caps

5. Cantilever

6. Stepped

7. Mat Slabs

F. Mat Ties

G. Column Dowels

III. Placing Reinforcing Steel In Walls

A. Types of Walls

B. Erection Procedures

C. Double Curtain Wall

D. Types of Wall Mat Spacers

E. Wall Bars

1. Verticals

2. Horizontal

F. Typical Double Curtain Reinforcing Details

G. Cantilevered Retaining Walls

H. Wall Reinforcing Ties

I. Column Walls

IV. Placing Reinforcing Bars In Columns

A. Columns

1. Purpose

2. Parts

3. Construction

4. Types

B. Column Ties

C. Lapped Splices

D. Typical Tied Columns - Preassembly Procedure

E. Rectangular Column

F. Assembled- In - Place - Column Unit

G. Supports for Column Units

H. Pier Columns

I. Spiral Columns

1. Preassembly

2. Placement

3. Two-floor

4. Steel Bumper Guard

J. Round Columns - Assembly

V. Placing Reinforcing Steel In Beams and Girders

A. Placing Sequence

B. Closed Ties

C. Top Bars in Beam

D. Form Ties, Anchors and Inserts

VI. Placing Reinforcing Steel In Joists and Slabs

A. Joist Reinforcing

B. Slab Reinforcing

C. One-way Slabs

D. Temperature Bars

E. Holes and Openings

F. Ties Used for Slabs

G. Placing and Tying a One-Way Slab

H. Two-way Slabs

1. Flat Slabs

2. Flat Plate

3. Waffle Slabs

I. Stairs

J. Wire Reinforcement

K. Welded Wire Fabric

L. Lap Splices for Plain Welded Wire Fabric

M. Styles of Fabric

N. New Number Wire Sizes

O. Slabs

1. On Grade

2. On Ground

P. Folded Plates

Q. Arches, Barrel Shell Roofs, Dome Roofs and Groined Vaults

R. Bins, Tanks and Grain Elevators

S. Slip Form Construction

VII. Highway Structures

A. Common Structures

B. Drawings

C. Bar Support and Bar Lists

D. Bridge Deck

E. Cover

F. Bundling

VIII. Highway and Airport Pavement

A. Continuously Reinforced Concrete Pavement

B. Joints

1. Construction

2. Transverse

C. Dowel Assemblies

D. State Differences

IX. General Principles For Bar Splicing and Welding

A. Length Limitations

B. Splices

1. Lapped Splices

2. Bundled Bar Splices

3. Welded Splices

C. Mechanical Splicing