A Program for the Analysis of Deep Foundations Under ...

1 A Program for the Analysis of deep Foundations Under lateral loading by Shin-Tower Wang L. Gonzalo Vasquez Jose A. Arrellaga William M. Isenhower (Release: Feb. 20 22) LPILE v2022 User s Manual ii User s Manual (Rel. Feb. 2022) LPILE v2022 COPYRIGHT Copyright 1987-2022 by ENSOFT, INC. All rights reserved. Printed in the Unites States of America. Except as permitted Under the United States Copyright Act of 1976, no part of this publication may be reproduced, translated, or distributed without the prior written approval of ENSOFT, INC.

2 SOFTWARE LICENSE AGREEMENT & DISCLAIMER IMPORTANT NOTICE: Please carefully read the terms of the license agreement and disclaimer at the end of this book. You signify acceptance with those terms by usage of the software. iii User s Manual (Rel. Feb. 2022) LPILE v2022 Table of Contents List of Figures .. ix List of Tables .. xiv CHAPTER 1. Introduction .. 1- 1 General Description .. 1- 2 Program Development History .. 1- 2 LPile for MS-DOS (1986) .. 1- 2 LPile for MS-DOS (1987) .. 1- 2 LPile for MS-DOS (1989).

3 1- 3 LPile for MS-DOS (1993) .. 1- 3 LPile Plus for MS-DOS (1993).. 1- 3 LPile Plus for Windows (1994) .. 1- 3 LPile Plus for Windows (1995) .. 1- 3 LPile Plus for Windows (1997) .. 1- 4 LPile Plus (Soil Movement Version) for Windows (1998) .. 1- 5 LPile Plus for Windows (2000) .. 1- 5 LPile Plus for Windows (2004) .. 1- 5 LPile 6 for Windows (2010) .. 1- 6 LPile v2012 Data Format 6 .. 1- 7 LPile v2013 Data Format 7 .. 1- 7 LPile v2015 Data Format 8 .. 1- 7 LPile v2016 Data Format 9.

4 1- 8 LPile v2018 Data Format 10 .. 1- 8 LPile v2019 Data Format 11 .. 1- 8 LPile v2022 Data Format 12 .. 1- 9 Contents of the LPILE Package .. 1- 10 Default Installation Directories .. 1- 10 Directory for Main Program 1- 10 Directory for Example 1- 10 Hardware 1- 11 Technical Support .. 1- 11 Preferred Methods of Software Support .. 1- 11 Upgrade Verification and Internet Site .. 1- 12 Renewal of Program Maintenance .. 1- 12 Changes of Support 1- 12 CHAPTER 2. Installation and Getting Started.

5 2- 1 Installation Procedures .. 2- 2 Installation of Single-User Version .. 2- 2 Introduction of Network Version .. 2- 7 iv User s Manual (Rel. Feb. 2022) LPILE v2022 Backup of Original Software .. 2- 8 Software Updates on the Internet .. 2- 8 Getting Started .. 2- 8 File Menu and Buttons .. 2- 10 Data Menu and Buttons .. 2- 11 Computation Menu and Buttons .. 2- 12 Graphics Menu and 2- 14 Tools Menu .. 2- 14 Window Menu .. 2- 15 Help Menu .. 2- 15 CHAPTER 3. Input of Data .. 3- 1 General Notes for Data Input.

6 3- 2 Speed Buttons for Data Entry .. 3- 3 Data Menu .. 3- 3 Project Information Dialog .. 3- 4 Options and Settings Dialog .. 3- 5 Computational Options .. 3- 6 Output Options .. 3- 8 Engineering Units of Input Data and Computations .. 3- 9 loading Type and Number of Cycles of loading .. 3- 9 Analysis Control Options .. 3- 9 Data from Load Test .. 3- 11 Internet Update Notice Query .. 3- 11 Text Viewer Options .. 3- 11 Pile Properties .. 3- 11 General Description of Input .. 3- 11 Section Type and Shape.

7 3- 11 Warning and Error Messages .. 3- 12 Elastic Sections .. 3- 13 Elastic Sections with Specified Moment Capacity .. 3- 14 Rectangular Concrete Piles .. 3- 15 Round Concrete Shafts (Bored Piles) .. 3- 20 Round Concrete Shaft with Permanent Casing .. 3- 23 Round Concrete Shaft with Permanent Casing and Core/Insert .. 3- 26 Steel Pipe Section .. 3- 28 Round Prestressed Concrete .. 3- 30 Round Prestressed Concrete with Void .. 3- 32 Square Prestressed Concrete .. 3- 32 Square Prestressed Concrete with Void.

8 3- 33 Octagonal Prestressed Concrete .. 3- 33 Octagonal Prestressed Concrete Pile with Void .. 3- 34 Steel H Section .. 3- 34 v User s Manual (Rel. Feb. 2022) LPILE v2022 Steel AISC Section .. 3- 34 User Defined Nonlinear Bending 3- 37 Options for Nonlinear Sections .. 3- 39 Soil Layers .. 3- 40 Soil Layering and p-y Curve Models .. 3- 41 User Input p-y Curves .. 3- 45 Pile Batter and Ground Slope .. 3- 46 p- y Modification Factors .. 3- 47 Shear-Resistance Curve at Pile 3- 48 Moment-Resistance Curve at Pile Tip.

9 3- 49 Side Resistance Along Pile .. 3- 50 Shift Pile Elevation in Soil Profile .. 3- 52 Output Depths for p-y Curves .. 3- 54 Import Soil Layers from EnCPT Soil File .. 3- 55 Conventional loading Analysis .. 3- 56 Pile Head 3- 56 Distributed lateral loading .. 3- 59 loading by lateral Soil 3- 63 Concentrated Loads Along Pile .. 3- 64 Evaluations of Variable Pile Lengths .. 3- 65 Computation of Pile-head Stiffness Matrix Components .. 3- 67 Pushover Analysis .. 3- 68 Pile Buckling Analysis .. 3- 70 Input of Load Testing Data.

10 3- 75 Controls for Input of Load Test Data .. 3- 75 Input of Load Test Data without Data for Bending Moments .. 3- 76 Input of Load Test Data for Bending Moments and Deflection versus Depth .. 3- 76 Load and Resistance Factor Design .. 3- 79 Unfactored Loads .. 3- 80 Load Cases and Resistance Factors .. 3- 81 Summary of Factored Load Cases .. 3- 82 Computation of Nonlinear EI 3- 82 Axial Thrust Loads for Interaction Diagram .. 3- 82 CHAPTER 4. Display of Graphics .. 4- 1 Introduction .. 4- 2 Types of Graphics.