Construction Examples in Japan High Capacity Micropile

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Presentation transcript:

Construction Examples in Japan High Capacity Micropile Takashi Yamane KYOKUTO CORPORATION TOKYO JAPAN

Contents Ryusen-ji Viaduct Application for Variety of Structures 1. Outline 2. Over view 3. Design 4. Seismic Retrofit for a Typical Pier 5. Construction Application for Variety of Structures 1. Steel Tower 2. Box Culvert 3. River Wall

Outline of Bridge (1) Super structure: Prestressed Concrete Slab Bridge Substructure : Concrete Pier (Wall Type) Foundation : PC Pile Constructed in 1983

Overview of Bridge (2)

Seismic Performance for Highway Bridges Design (1) Seismic Performance for Highway Bridges Type of Design Ground Motions Standard Bridges (Type-A) Important Bridges (Type-B) Level 1 Earthquake: Ground Motions with High Probability to Occur SPL 1:Prevent damage Level 2 Earthquake: Ground Motions with High Intensity and Low Probability to Occur Interplate Earthquakes (Type-1) SPL 3:Prevent Critical Damage SPL 2:Limited Damage for Function Recovery Inland Earthquakes (Type-2) SPL:Seismic Performance Level

Design (2)

Seismic Retrofit for a Typical Pier

Construction (1)

Construction (2)

Construction (3)

Construction (4)

Construction Examples in Japan Bridge Pier (for Retrofit) Bridge Pier (for New Construction) Bridge Abutment Steel Tower River Wall Box Culvert Water Tank Others

Construction Examples (1-1) Steel Tower in Mountainous area H Beam Column Existing Foundation New Foundation Connection Beam High Capacity Micropile

Construction Examples (1-2) Steel Tower in Mountainous area

Construction Examples (2-1) Steel Tower in Urban area

Construction Examples (2-2) Steel Tower in Urban area

Construction Examples (3-1) Box Culvert

Construction Examples (3-2) Box Culvert

Construction Examples (4-1) River Wall

Construction Examples (4-2) River Wall

Thank You !