![]() 23 Problems with the AASHTO Procedure to Determine Subgrade Support. 21 Adjust k-Value for Depth to Rigid Foundation. 21 Page |vĬonvert Resilient Modulus to k-Value. 20 AASHTO Procedure to Determine the k-Value. 20 Determining Subgrade Support for Design. ![]() 19 Modulus of Subgrade Reaction (k-value). 16 The Importance of Using Average Strength. For more information on jointing of concrete pavements, please refer to other ACPA publications, including: ĭesign and Construction Joints for Concrete Highways (TB010P) Intersection Joint Layout (IS006P) P a g e | iiiĭesign and Construction Joints for Concrete Streets (IS061P) Concrete Pavement Field Reference: Pre-Paving (EB237P) Concrete Pavement Field Reference: Paving (EB238P) Concrete Intersections: A Guide for Design and Construction (TB019P)Ĭhapter 1 – New Concrete Pavement Design. Proper jointing is essential to ensure that a concrete pavement will perform for its intended design life. It is important to note that thickness design is only one aspect of good concrete pavement design. The software is capable of conducting concrete and asphalt pavement designs and analyses, traffic conversions, life cycle cost analyses, and overlay designs and analyses. It includes initial cost, rehabilitation costs, maintenance and operation costs, user costs and residual value.ĪASHTO Guide for the Design of Pavement Structures - 1993 The final chapter of this publication is the user’s guide for the WinPAS software. Life-cycle costing is a procedure that economically compares two competing design alternatives considering all significant costs over the economic life of each alternative, expressed in equivalent dollars. Part II is entitled "Pavement Design Procedures for New Construction or Reconstruction," and Chapter 5 of Part III is entitled "Rehabilitation Methods with Overlays."1 The third chapter of this publication describes life-cycle costing procedures for a project level analysis. The first two describe concrete pavement thickness design and overlay design according to Parts II and III (Chapter 5) of the 93 AASHTO Design Guide. This publication is broken down into four chapters. Still, ACPA encourages every pavement design engineer to purchase a copy of the complete 93 AASHTO Design Guide for a complete reference. It gives the background information that is essential to effectively design concrete pavements and overlays using the "AASHTO Guide for the Design of Pavement Structures - 1993"1 design procedure via the ACPA's WinPAS software. Pavement and Overlay Design Based on the 1993 AASHTO "Guide for the Design of Pavement Structures" This publication is to help familiarize engineers on the basics of concrete pavement design. We are organized to address common needs, solve other problems, and accomplish goals related to research, promotion, and advancing best practices for design and construction of concrete pavements. © 2012 American Concrete Pavement AssociationĪCPA is the premier national association representing concrete pavement contractors, cement companies, equipment and materials manufacturers and suppliers. No part of this book may be reproduced in any form without permission in writing from the publisher, except by a reviewer who wishes to quote brief passages in a review written for inclusion in a magazine or newspaper. The American Concrete Pavement Association DISCLAIMS any and all RESPONSIBILITY and LIABILITY for the accuracy of and the application of the information contained in this publication to the full extent permitted by law. This publication is intended SOLELY for use by PROFESSIONAL PERSONNEL who are competent to evaluate the significance and limitations of the information provided herein, and who will accept total responsibility for the application of this information. Windows Pavement Analysis Software (WinPAS) Guide Based on the 1993 AASHTO Guide for the Design of Pavement Structures Windows Pavement Analysis Software (WinPAS) Guideīased on the 1993 AASHTO Guide for the Design of Pavement Structures
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