2nd International Workshop on Micropiles, Ube, Japan, 1999


Opening Session: State of the Art of Micropiles in Japan, Fusanori Miura, Yamaguchi University)


Technical Session 1-a Materials and Foundations
•Notes on Improvement and Underpinning Foundations of Historic Structures with Reticulated Micropiles, Fred H. Kulhawy (Cornell University)
•App of Root Piles to Foundations and Reinforcing Structures in Japan (Yoshinori Otani (Hirose & Co., Ltd.)
•Development of High Capacity Steel Tube Core for Micropiles, Hiroyoshi Murata (Sumitomo Metal Industries, Ltd.)
•Development of Rautaruukki Micropiles, Pasi Korkeakoski (Tampere University of Technology)
•Critical Load of a Micropile Considering Soil Liquefaction, Zhu Yuanyuan (Yamaguchi University)



Technical Session 1-b Experiments and Mechanism 1
•Ground Reinforcement in Tension with Micropiles for Securing of Uplift Forces, Thomas F. Herbst (Allspann Allgemeine Spannbeton GmbH)
•Study on the Retrofitting of Bridge Foundations with Micropiles, Jiro Fukui (Public Works Research Institute, Ministry of Construction)
•Vertical Load Tests of Micropiles Reinforced with Steel Pipe, Yasumitsu Ichimura (Public Works Research Institute, Ministry of Construction)
•Some Observations on Axial Compression Capacity of Micropiles, Fred H. Kulhawy (Cornell University)
•CSG Pile – a New Application for Impact Driven Micropiles, Jouko Lehtonen (Rautaruukki Ltd.)


Special Theme Session
•Summary of the Earthquake Resistant Design Standards for Railway Structures, Akihiko Nishimura (JR Research Institute)
•Present State of Auxiliary Methods of Mountain Tunnel Construction in Poor Ground, Koji Nakagawa (Yamaguchi University)


Technical Session 2-a - Tunnel
•A Multipurpose   Technology in Foundation Engineering, Federico Pagliacci (Trevi Group)
•Applications of Trevi Forepiling Methods in Japan, Iwao Nakahara (Japan Foundation Engineering Co., Ltd.)
•Tunnel Foot Reinforcement Using Micropiles, Kenjiro Oka (Toyo Construction Co., Ltd.)
•The “Odex” Drilling Concept in Micropiling Application, Hans Liden (Atlas Copco)


Technical Session 2-b Experiment and Mechanism 2
•Centrifugal Model Tests on a Micropile Foundation – Part 1 Outline of the Large Centrifugal Force Loading Test Apparatus and Model Experiment Apparatus, Masao Sagara (Public Works Research Institute, Ministry of Construction)
•Centrifugal Model Tests on a Micropile Foundation – Part 1 Outline of the Model Test Results and Conclusions, Masahiro Moriwaki (Public Works Research Institute, Ministry of Construction)
•Experimental Investigation on the Improvement of Bearing Capacity, Kinya Miura (Asia Institute of Technology)
•Experimental Study for Behavior of Micropile Foundation, Yoshinori Nakara (Kyokuto Corporation)
•Experimental Study for Flexural Behavior of Micropile Body, Takashi Yamane (Kyokuto Corporation) 


Technical 2-c Earthquake Resistant Countermeasures and Analysis
•Dynamic-Response Characteristics of Structures with Micropile Foundation System, Takahiro Kishishita (Fujita Co., Ltd.)
•Reinforcement of Foundations for Small Structures with Micropiles: L-shaped Retaining Wall and Snowshed Foundations, Kazumi Sakamoto (NIJ Circle)
•Micropiles for Seismic Retrofitting of Highway Interchange Foundation, Andy Kleiber (Sverdrup Civil, Inc.)
•Post Tensioned Hollow Composite Micropiles for Seismic Retrofit Projects in California Caltrans Field Tests, Karl H. Stollenwerk (Ischebeck GmbH)
•Post Tensioned Hollow Composite Micropiles for Seismic Retrofit Projects in California, Karl H. Stollenwerk (Ischebeck GmbH)
•Dynamic Stiffness Properties of Micropile Foundation, Makoto Kawamura (Toyohashi University of Technology)