28 GEER Response to 36 Landslide Risk 44 Response to 52 Monitoring Using Oso Landslide Perception 1913 Dayton Flood Satellite Imagery JULY // AUGUST 2015 GEOTECHNICS OF GEO-DISASTERS Proudly published by the Geo-Institute of ASCE GEOPIER IS GROUND IMPROVEMENT® Delivering cost-effective, reliable, engineered foundation systems PROVIDING CUSTOMIZED SOLUTIONS FOR ALL SOIL TYPES SEND US YOUR PROJECT DATA Geopier® Rammed Aggregate Piers provide increased Let our geotechnical engineers customize a solution that meets your support and greater settlement control. With over 6,000 needs. Submit your project details to receive a feasibility assessment successfully completed projects, our engineers customize each design to meet your needs and strengthen your clients’ and cost estimate at geopier.com/feasibilityrequest foundations. At Geopier, we deliver to you, cost-effective, reliable, engineered foundation systems. We are intermediate foundations®. We are here to serve you. For more information call 800-371-7470, e-mail [email protected] or visit geopier.com. ©2015 Geopier Foundation Company, Inc. The Geopier® technology and brand names are protected under U.S. patents and trademarks listed at www.geopier.com/patents and other trademark applications and patents pending. Other foreign patents, patent applications, trademark registrations, and trademark applications also exist. Remnants of Austin Dam. This 50-ft high, 540-ft long concrete dam failed on September 30, 1911, killing 78 people and destroying a paper mill and much of the town of Austin, PA. The dam was designed to be 30-ft thick, but was built to only 20-ft thick, which led to substantial bowing due to the pressure of the retained water. July // August 2015 Features 28 GEER Response to the Oso Landslide 58 Applying Scanning Technology to Documenting perishable details helps turn disaster Tunnel Inspections into knowledge. Leveraging technology to reduce the public agita. By Jeffrey R. Keaton, Joseph Wartman, Scott A. Anderson, By Raymond E. Sandiford and Nasri Munfah Jean Benoît, John deLaChapelle, Robert B. Gilbert, and David R. Montgomery 28 GEER Response to 36 Landslide Risk 44 Response to 52 Monitoring Using Oso Landslide Perception 1913 Dayton Flood Satellite Imagery ON THE COVER View of the Oso Landslide across 36 Landslide Risk Perception JULY // AUGUST 2015 the location of the Steelhead Haven Consequences of failure to reconcile contradictory beliefs. subdivision, Snohomish County, WA. GEOTECHNICS OF Photo by Jeffrey R. Keaton, February 28, 2015. By Donald Gray and David Elton GEO-DISASTERS 44 “Dry Dams” and the Dayton Flood of 1913 Proudly published by the Geo-Institute of ASCE The origins of integrated systems engineering concepts. By J. David Rogers GEOSTRATA is seeking eye-catching cover photographs to illustrate upcoming issue covers. 52 Ground Feature Monitoring Using We particularly need photos that convey “futuristic” themes, military geotechnics, retaining walls Satellite Imagery and earth retention, transportation geotechnics, How interferometric stacking of SAR can mitigate ground improvement, and earthquake geotechnics. geodisasters along transportation corridors. However, we will consider all eye-catching photos. Ideally, photos should be portrait orientation and 3 MB or larger. By El Hachemi Bouali, Rüdiger Escobar-Wolf, If we use your photo, appropriate credit will be noted. Send your and Thomas Oommen photos and accompanying photo captions to [email protected]. CONNECT WITH US www.asce.org/geo twitter.com/GeoInstitute facebook.com/GeoInstitute LinkedInGeo GeoInstituteASCE 2 GEOSTRATA JULY/AUGUST 2015 Wall Section Moment Width Height Thickness Pile Weight Modulus of Inertia Section in in in lb/ft lb/ft2 in3/ft in4/ft NZ 19 27.56 16.14 0.375 55 24.05 35.08 283.1 NZ 21 27.56 16.20 0.433 61 26.56 38.69 313.4 As a premier steel foundation supplier now offering NZ sheets in addition to our extensive product line, Skyline Steel is the ideal partner for your next project. Visit www.skylinesteel.com/nz or call 888.450.4330. © 2015 Skyline Steel, LLC. Skyline Steel is a wholly-owned subsidiary of Nucor Corporation, the largest producer of steel in the United States. Geo-Strata_0615-2_fin.indd 1 6/9/15 3:54 PM EDITORIAL BOARD j James L. Withiam, PhD, PE, D.GE, M.ASCE, D’Appolonia [email protected] j J. Tanner Blackburn, PhD, PE, M.ASCE, Hayward Baker [email protected] j Jeff Dunn, PhD, PE, D.GE, GE, M.ASCE, Arup [email protected] July // August 2015 j Morgan Eddy, PE, M.ASCE, Steele Foundation, LLC [email protected] j Ken Fishman, PhD, PE, M.ASCE, McMahon & Mann Consulting Engineers [email protected] j Beth Gross, PhD, PE, M.ASCE, Geosyntec Consultants 6 President’s Letter [email protected] By Allen Cadden j Brian Hubel, PE, GE, M.ASCE, Black & Veatch Corporation 8 From the Editorial Board [email protected] By Peter G. Nicholson j Michael P. McGuire, PhD, PE, M.ASCE, Lafayette College [email protected] 10 Letters j Peter G. Nicholson, PhD, PE, D.GE, F.ASCE, Nicholson Geotechnical [email protected] 16 COREBITS PEOPLE j William K. Petersen, PE, M.ASCE, Schnabel Engineering [email protected] 20 COREBITS STUDENTS j Veronica L. Streich, PE, M.ASCE, HNTB Corporation [email protected] 22 As I See It: Geotechnical Extreme j Chris Woods, PE, D.GE, M.ASCE, Densification, Inc. Departments Events Reconnaissance – Turning [email protected] Disaster into Knowledge 2014-15 G-I BOARD OF GOVERNORS By Jonathan D. Bray j Allen Cadden, PE, D.GE, M.ASCE – President j 64 The GeoCurmudgeon: Kord Wissmann, PhD, PE, D.GE, M.ASCE – Vice President The Lessons of History j Garry H. Gregory, PhD, PE, D.GE, M.ASCE – Treasurer By John P. Bachner j William M. Camp, III, PE, D.GE, M.ASCE – Past President j Patrick J. Fox, PhD, PE, D.GE, M.ASCE 68 Look Who’s a D.GE j Beth A. Gross, PhD, PE, M.ASCE An interview with Ronald J. (Ron) Ebelhar j Kancheepuram N. Gunalan, PhD, PE, D.GE, F.ASCE j Youssef M. A. Hashash, PhD, PE, F.ASCE 70 G-I ORGANIZATIONAL j Robert Schweinfurth, A.M.ASCE – Secretary MEMBER NEWS non-voting 75 COREBITS EVERYTHING G-I GEOSTRATA STAFF j Stefan Jaeger – Publisher 76 COREBITS INDUSTRY j Dianne Vance, CAE – Director of Advertising [email protected] j 77 COREBITS CAREER Robert Schweinfurth, A.M.ASCE – G-I Director [email protected] j Michael Koutsourais – Senior Content Editor 78 COREBITS CHAPTERS j Elizabeth Cuscino – Content Editor 79 COREBITS INDUSTRY CALENDAR j Kristie C. Kehoe – Content Coordinator j Helen Cook – Content Editor 79 What’s Coming in j Sean Richardson – Production Manager September/October 2015 ADVERTISING SALES MANAGERS GEOSTRATA j Brooke King, Kelli Nilsson, McCall Mohanna GEOSTRATA DESIGN 80 GeoPoem: Seismic Design j THOR Design Studio, www.thordesignstudio.com By Mary C. Nodine GEOSTRATA is a forum for the free expression and interchange of ideas. The opinions and positions stated within are those of the authors, and not necessarily those of GEOSTRATA, the Geo- Institute, or the American Society of Civil Engineers (ASCE). GEOSTRATA—ISSN 1529-2975—is published bi-monthly by ASCE, 1801 Alexander Bell Drive, Reston, VA 20191-4400 and is a free GEOSTRATA is published by the Geo-Institute ASCE/Geo-Institute membership benefit, not available by and the American Society of Civil Engineers. subscription. ADDRESS CHANGES: ASCE/G-I members should e-mail [email protected], or click on “My Profile” at asce.org. Copyright © 2015 by the American Society of Civil Engineers. All rights reserved. Materials may not be reproduced or translated without written permission from ASCE. Periodicals postage paid at Herndon, VA, and at additional mailing offices. POSTMASTER: Send address changes to GEOSTRATA, 1801 Alexander Bell Drive, Reston, VA 20191-4400. GEOSTRATA JULY/AUGUST 2015 4 ISSUE NO. 4 • VOLUME 19 We Have BIG News! INTERPRET ANALYZE PREPARE Visit Dataforensics at the GeoCongress Booth 91 to Learn More About the Future of Data Collection WE ARE HIRING! Dataforensics has an immediate need for a www.Dataforensics.net Geotechnical Engineer/Software Implementation Specialist. Call: 678.406.0106 ext. 2 ©2012 Panasonic Corporation of North America. All rights reserved. Contact [email protected] for consideration Android is a trademark of Google Inc. The Android robot is reproduced or modified from work created and shared by Google and used according to or scan the QR code for details. terms described in the Creative Commons 3.0 Attribution License. President’s Letter Cooperation – Ideas for the Future ALLEN CADDEN o far, my presidency has been very leading us toward the 2016 Geotechnical and coordinate another cooperative effort Sexciting and challenging. As I men- & Structural Engineering Congress – a — exactly why GeoCoalition was created. tioned in a previous column, and as Billy joint event between the Geo-Institute and Many of you traveled to San Antonio Camp remarked in this space last year, a the Structural Engineering Institute (SEI). to participate in G-I technical committee key focus of the G-I is serving you better It is time we gather with our structural meetings and activities. Again, coop- by facilitating cooperation within the compatriots to collaborate and learn eration was key. At the GeoCoalition industry. I’m very happy to report that over from each other. I am confident that this meeting, we discussed the importance the past few months this goal is advancing will bring new ideas and new ways we of committees and how many of the and building momentum. can grow as professionals and serve our organizations have overlapping missions. The most notable area of concentration clients better. Some of these committee-overlaps is one you’ve heard about extensively over Most recently, Kord Wissmann (Vice involve the same volunteers across the the past few months: the International President of G-I) and I attended the organizations, while others bring in fresh Foundation Conference and Equipment GeoCoalition meeting.