Construction Outlook in Japan Construction Outlook in Japan Masaru - - PowerPoint PPT Presentation

Construction Outlook in Japan Construction Outlook in Japan

Masaru Hoshiya Masaru Hoshiya Japanese Japanese Association of Micro-Piles( JAMP )

Development and Promotion of Development and Promotion of High Capacity Micro-Piles(HMP) High Capacity Micro-Piles(HMP)

• 1997.4 Institution of JAMP Pilot Test of Micro- Piles

( Public Work Research Institute, PWRI )

• 1998 Series of Studies on Construction Method

entrusted to Advanced Construction Technology Center(ACTC)

• 1999 Design and Construction Manual edited

HMP is applied for seismic retrofitting of Sashimi Bridge foundation.

• 2001

Design and Construction Manual for Rail Road Facilities edited

• 2003 Design and Construction Manual for Nonexistent Structures edited
• 2005 National Land Development Award received
• 2007.6 10th Anniversary of JAMP celebrated

A commemorative Manual edited entitled Decade of High Capacity Micro Pile

Experience of HMP construction in JAPAN

446 1,124 2,696 2,996 3,911 7,786 4,543 6,586

2,000 4,000 6,000 8,000 10,000 1999 2000 2001 2002 2003 2004 2005 2006

HMP Total Length Every year （ｍ）

5,000 10,000 15,000 20,000 25,000 30,000 35,000

Accumulation Total Length（ｍ） HMP Total Length Every year Accumulation Total Length

2 4 11 9 14 21 14 19

5 10 15 20 25 30 1999 2000 2001 2002 2003 2004 2005 2006

the number of every year

10 20 30 40 50 60 70 80 90 100

the number of accumulation the number of every year the number of accumulation

Construction Example(1)

Foundation of pedestrian bridge

09/2006-10/2006 Total Pile Length

301m

before after construction

Construction Example(2)

Seismic Retrofitting of Existing Piles. Seismic Retrofitting of Bridge in water service tube water service tube pear construction

Construction Example(2)

Seismic Retrofitting of Existing Piles. Seismic Retrofitting of Bridge in water service tube HMP construction completion HMP

Construction Example(3)

Retrofitting of Foundation

construction HMP construction completion Completion