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)