Introduction
Proud to be a pioneer of PC technology and challenge to develop new technologies
Since P.S. Mitsubishi Construction Company constructed the first PC bridge of Japan (in 1952), the Company has been developed variety of technologies as a leading company of PC technology, and contributing good quality development to Japan social infrastructures.
In our technological research institute, P.S. Mitsubishi Construction will endeavour to pursue innovative technologies leading to the future to be able to continuously contribute to society through our construction business.
Technologies Developed by P.S. Mitsubishi Construction
| Technology | First Project Applied | Year of Completion |
|---|---|---|
| Prestressed PC girder bridge (first PC bridge in Japan) | Chosei Bridge | 1952 |
| Post-tensioned PC girder bridge (Span length: more than 30m) | 1st Otogawa Bridge | 1954 |
| Precast segment overhang erection method | Konoshima Ohashi | 1970 |
| Ribbon span bridge | Hayahigamine Bridge | 1977 |
| Lift-up method | Haneda airport | 1984 |
| Composite arch lining method (CLCA) | Castle Ruins Bridge | 1989 |
| Corrugated steel web bridge | Shinkaibashi | 1993 |
| Cathodic protection (titanium grid method) | Oi Wharf Pier No.2 | 1993 |
| PC confined method | Toyogawa Bridge | 1997 |
| Hybrid PC cable-stayed bridge | Nagisa Bridge | 2002 |
| PC well (PPRC method) | Shinrokuto Bridge | 2002 |
| Corty method (corrugated steel plate web T-girder) | Sougawa Bridge | 2005 |
| H-type PC pile | Ogusa road improvement work | 2004 |
| Dax beam method | Mamekai Bridge | 2006 |
Milestones of Technological Research Institute
| P.S | Mitsubishi Construction | |
|---|---|---|
| 1952 | Establishment of P.S. Concrete Co., Ltd. | |
| 1960 | Establishment of Shinryo Construction Co., Ltd. | |
| 1968 | Establishment of our company technological research institute | |
| 1969 | Change of organizational name into Mitsubishi Construction Co., Ltd. | |
| 1971 | Establishment of technological research institute | |
| 1988 | Establishment of Oomiya Technological Research Institute (Within the cement research facility of Mitsubishi Material) | Establishment of Oomiya Technological Research Institute (Within the cement research facility of Mitsubishi Material) |
| 1991 | Change of organizational name into P.S Co., Ltd. | |
| 2000 | Relocation of the Oomiya technological research facility (Within the Ootsuka HQ) | |
| 2001 | The technological research facility moved to Shiraoka town | |
| March 2002 | Technological research facility establishment in Odawara City | |
| October 2002 | Integration of the two companies technological research division upon the establishment of P. S. Mitsubishi Co., Ltd. | |
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