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Published in: Education. Full Name Comment goes here. Are you sure you want to Yes No. Be the first to like this. No Downloads. Views Total views. Actions Shares. Embeds 0 No embeds. No notes for slide. A continuous pattern of mortar cracks begins to form. As a result there are few undamaged portions to carry load and the stress-strain curve is highly nonlinear. At the critical stress the lateral strain begins to increase rapidly. This causes the concrete core within the spiral to expand, stretching the spiral.
The tension in the spiral is equilibrated by a radial compression in the core. This in turn, biaxially compresses the core, and thus strengthens it. When concrete is subjected to sustained loads greater than the critical stress, it will eventually fail. Does this concrete satisfy the strength requirement for psi concrete? From Eq.
Reinforced Concrete Design
All rights reserved. This material is protected under all copyright laws as they currently exist. No portion of this material may be reproduced, in any form or by any means, without permission in writing from the publisher. Chapters 2 and 3 present general information on various topics related to structural design and construction, and concrete material properties. Frequent references are made back to these topics throughout the text.
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- Reinforced Concrete: Mechanics and Design by James K. Wight.
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New to This Edition. Professor Wight was the primary author for this edition and has made several changes in the coverage of various topics. New problems were developed for several chapters, and all of the examples throughout the text were either reworked or checked for accuracy. Other changes and some continuing features include the following: The design of isolated column footings for the combined action of axial force and bending moment has been added to Chapter The design of footing reinforcement and the procedure for checking shear stresses resulting from the transfer of axial force and moment from the column to the footing are presented.
The shear stress check is essentially the same as is presented in Chapter 13 for two-way slab to column connections. The design of coupled shear walls and coupling beams in seismic regions has been added to Chapter This topic includes a discussion of coupling beams with moderate span-to-depth ratios, a subject that is not covered well in the ACI Building Code. New calculation procedures, based on the recommendations of ACI Committee , are given in Chapter 3 for the calculation of creep and shrinkage strains. These procedures are more succinct than the fib procedures that were referred to in the early editions of this textbook.
Changes of load factors and load combinations in the edition of the ACI Code are presented in Chapter 2. A new section on sustainability of concrete construction has been added to Chapter 2. Topics such as green construction, reduced CO2 emissions, life-cycle economic impact, thermal properties and aesthetics of concrete buildings are discussed.
Reinforced Concrete: Mechanics and Design by James K. Wight
Flexural design procedures for the full spectrum of beam and slab sections are developed in Chapter 5. This includes a design procedure to select reinforcement when section dimensions are known and design procedures to develop efficient section dimensions and reasonable reinforcement ratios for both singly reinforced and doubly reinforced beams. Extensive information is given for the structural analysis of both one-way Chapter 5 and two-way Chapter 13 continuous floor systems. Typical modeling assumptions for both systems and the interplay between analysis and design are discussed.
Appendix A contains axial load vs. These diagrams include the strength-reduction factor and are very useful for either a classroom or a design office. Video Solutions are provided to accompany problems and to offer step-by-step walkthroughs of representative problems throughout the book. Icons in the margin identify the Video Solutions that are representative of various types of problems.
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