Anchorage and Development of Bars Ch08

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    Copyright 2009 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458

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    Reinforced Concrete: Mechanics and Design, Fifth Edition

    By James K. Wight and James G. MacGregor

    Chapter Eight

    Development, Anchorage, andSplicing of Reinforcement

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    Reinforced Concrete: Mechanics and Design, Fifth Edition

    By James K. Wight and James G. MacGregor

    Figure 8-1

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    Reinforced Concrete: Mechanics and Design, Fifth Edition

    By James K. Wight and James G. MacGregor

    Figure 8-2

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    Reinforced Concrete: Mechanics and Design, Fifth Edition

    By James K. Wight and James G. MacGregor

    Figure 8-3

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    Copyright 2009 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458

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    Reinforced Concrete: Mechanics and Design, Fifth Edition

    By James K. Wight and James G. MacGregor

    Figure 8-5

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    Copyright 2009 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458

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    Reinforced Concrete: Mechanics and Design, Fifth Edition

    By James K. Wight and James G. MacGregor

    Figure 8-6

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    Copyright 2009 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458

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    Reinforced Concrete: Mechanics and Design, Fifth Edition

    By James K. Wight and James G. MacGregor

    Figure 8-7

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    Copyright 2009 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458

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    Reinforced Concrete: Mechanics and Design, Fifth Edition

    By James K. Wight and James G. MacGregor

    Figure 8-8

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    Copyright 2009 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458

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    Reinforced Concrete: Mechanics and Design, Fifth Edition

    By James K. Wight and James G. MacGregor

    Table 8-1

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    Copyright 2009 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458

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    Reinforced Concrete: Mechanics and Design, Fifth Edition

    By James K. Wight and James G. MacGregor

    Figure 8-10

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    Copyright 2009 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458

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    Reinforced Concrete: Mechanics and Design, Fifth Edition

    By James K. Wight and James G. MacGregor

    Figure 8-11

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    Copyright 2009 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458

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    Reinforced Concrete: Mechanics and Design, Fifth EditionBy James K. Wight and James G. MacGregor

    Figure 8-12

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    Copyright 2009 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458

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    Reinforced Concrete: Mechanics and Design, Fifth EditionBy James K. Wight and James G. MacGregor

    Figure 8-13

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    Reinforced Concrete: Mechanics and Design, Fifth EditionBy James K. Wight and James G. MacGregor

    Figure 8-13 Continued

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    Copyright 2009 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458All rights reserved.

    Reinforced Concrete: Mechanics and Design, Fifth EditionBy James K. Wight and James G. MacGregor

    Figure 8-14

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    Reinforced Concrete: Mechanics and Design, Fifth EditionBy James K. Wight and James G. MacGregor

    Table 8-2

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    Reinforced Concrete: Mechanics and Design, Fifth EditionBy James K. Wight and James G. MacGregor

    Figure 8-15

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    Copyright 2009 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458All rights reserved.

    Reinforced Concrete: Mechanics and Design, Fifth EditionBy James K. Wight and James G. MacGregor

    Example 8-1: Page 375 Text

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    Reinforced Concrete: Mechanics and Design, Fifth EditionBy James K. Wight and James G. MacGregor

    Figure 8-16

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    Copyright 2009 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458All rights reserved.

    Reinforced Concrete: Mechanics and Design, Fifth EditionBy James K. Wight and James G. MacGregor

    Figure 8-17

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    Copyright 2009 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458All rights reserved.

    Reinforced Concrete: Mechanics and Design, Fifth EditionBy James K. Wight and James G. MacGregor

    Bar Cutoffs and Development of bars in flexural

    members

    Why are bars cutoff?

    Location of cut-off points

    Effect of Shear on cut-off points

    Development of bars at points of maximumbar force

    Development of bars in positive-moment

    regions

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    Copyright 2009 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458All rights reserved.

    Reinforced Concrete: Mechanics and Design, Fifth EditionBy James K. Wight and James G. MacGregor

    Figure 8-18

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    Reinforced Concrete: Mechanics and Design, Fifth EditionBy James K. Wight and James G. MacGregor

    Required Moment and Maximum Moment

    Capacity

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    Reinforced Concrete: Mechanics and Design, Fifth EditionBy James K. Wight and James G. MacGregor

    Figure 8-19

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    Reinforced Concrete: Mechanics and Design, Fifth EditionBy James K. Wight and James G. MacGregor

    Effect of Shear on Cut-Off Points

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    Reinforced Concrete: Mechanics and Design, Fifth EditionBy James K. Wight and James G. MacGregor

    Figure 8-20

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    Reinforced Concrete: Mechanics and Design, Fifth EditionBy James K. Wight and James G. MacGregor

    Development of Bars at Points of Maximum

    Bar Force

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    Reinforced Concrete: Mechanics and Design, Fifth EditionBy James K. Wight and James G. MacGregor

    Figure 8-21

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    Reinforced Concrete: Mechanics and Design, Fifth EditionBy James K. Wight and James G. MacGregor

    Development of Bars in Positive-Moment

    Regions

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    Reinforced Concrete: Mechanics and Design, Fifth EditionBy James K. Wight and James G. MacGregor

    Figure 8-22

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    Reinforced Concrete: Mechanics and Design, Fifth EditionBy James K. Wight and James G. MacGregor

    Figure 8-23

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    Reinforced Concrete: Mechanics and Design, Fifth EditionBy James K. Wight and James G. MacGregor

    Example 8-3 Text, Page 389

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    Reinforced Concrete: Mechanics and Design, Fifth EditionBy James K. Wight and James G. MacGregor

    Reinforcement Continuity and Structural

    Integrity Requirements

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    Reinforced Concrete: Mechanics and Design, Fifth EditionBy James K. Wight and James G. MacGregor

    Figure 8-24

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    Reinforced Concrete: Mechanics and Design, Fifth EditionBy James K. Wight and James G. MacGregor

    Figure 8-25

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    Reinforced Concrete: Mechanics and Design, Fifth EditionBy James K. Wight and James G. MacGregor

    Figure 8-26

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    Reinforced Concrete: Mechanics and Design, Fifth EditionBy James K. Wight and James G. MacGregor

    Figure 8-27

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    Reinforced Concrete: Mechanics and Design, Fifth EditionBy James K. Wight and James G. MacGregor

    Figure 8-28

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    Reinforced Concrete: Mechanics and Design, Fifth EditionBy James K. Wight and James G. MacGregor

    Example 8-4 Text (Page 394): Calculation of

    Bar Cut-Off Points

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    Reinforced Concrete: Mechanics and Design, Fifth EditionBy James K. Wight and James G. MacGregor

    Figure 8-29

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    Reinforced Concrete: Mechanics and Design, Fifth EditionBy James K. Wight and James G. MacGregor

    Figure 8-30

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    Reinforced Concrete: Mechanics and Design, Fifth EditionBy James K. Wight and James G. MacGregor

    Figure 8-31

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    Reinforced Concrete: Mechanics and Design, Fifth EditionBy James K. Wight and James G. MacGregor

    Figure 8-32

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    Upper Saddle River, New Jersey 07458All rights reserved.

    Reinforced Concrete: Mechanics and Design, Fifth EditionBy James K. Wight and James G. MacGregor

    Figure 8-33

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    Copyright 2009 by Pearson Education, Inc.

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    Reinforced Concrete: Mechanics and Design, Fifth EditionBy James K. Wight and James G. MacGregor

    Figure 8-34

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    Reinforced Concrete: Mechanics and Design, Fifth EditionBy James K. Wight and James G. MacGregor

    Splices of Reinforcement- Section 8-9 Text

    (Page 406) Tension Lap Splices

    Compression Lap Splices

    Welded and Mechanical Splices

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    By James K. Wight and James G. MacGregor

    Figure 8-37

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    Reinforced Concrete: Mechanics and Design, Fifth Edition

    By James K. Wight and James G. MacGregor

    Figure 8-38

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    Reinforced Concrete: Mechanics and Design, Fifth Edition

    By James K. Wight and James G. MacGregor

    Table 8-3