1. Research Needs Assessment for Micropiles: The Past, Present and Future Gary M. Weinstein Research Fellow Polytechnic University Brooklyn, NY IWM 2003

2. Research Needs Identified in IWM 2002 Venice GeotechnicalStructural - Connection Details - Bending Moment Effects - Overall Structural Performance Design Standard for Case 2 Systems Definition of a Micropile? Definition of a Group and Network? - S-P-S interaction - Scale effects - Group effects - Pile spacing/ geometry - Slenderness ratio/ construction method effects on system performance - Standardize FEA/FD - Dynamic – Load sharing and SSI design - CPT – construction effects on soil DesignResearch Economics QA/QC Other FOREVER - Must be applied - Utilization of WSU, State Pooled Fund, PANYNJ for research - Are Case 2 systems viable? - Test beds - PDA - CPT data on soil - Understanding of Case 2 micropiles with respect to seismic design - Design issues with battered micropiles - Connection details - Development of ductility and fixity conditions for Case 2 systems -- Global stiffness prediction -- Lateral/seismic load transfer - Certainty and risk assessment issues & costs - Website / e-mail - Database / (skin friction and construction methods) What is the Framework for Implementation? Stop and Think Before We Go Any Further Note: Text in yellow denotes research needs addressed per the MICROFOR proposal

3. Drilled and Grouted Micropiles Research Needs Assessment (Draft Final Report) Contract No. FHWA-DTFH 61-93-C-00128 July, 1995 - Research needs foreseen in original FHWA technical proposal (Sept., 1993) - Research needs as identified in State-of-Practice Review - Overview of FOREVER research plan - Proposal to conduct an integrated American micropile research program - Consolidated research needs assessment Revisited

4. Framework & Updated RNA – Case Study MICROFOR Research & Integration Flow Chart

5. Implementation – Case Study A Government-Industry-University Partnership for Research, Development, Testing and Performance Monitoring of Micropile Network Systems for Highway & Civil Infrastructure Applications

6. Dedicated to the Vision of Dr. Fernando Lizzi