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 There was "the large pre-stressed concrete birthplace" under the guard of Yurakucho.
 It is also called prestressed concrete, and "pre-stressed concrete" is steel reinforced concrete which gave compression power using steel wire beforehand. The spot construction of our country's first pre-stressed concrete figure of post-tension method to fix steel materials after concrete hardened each time was performed at Tokyo Sta. 6.7 turn home. Beam was produced around Yurakucho underpass which was close to Tokyo Sta.
 In addition, home figure at the time was demolished with Tokyo Sta. improved construction in 1974.

(monument is not left now)

INFORMATION basics information

  • Address 2-1, Yuuraku-cho
  • From Access Yurakucho Station Central Exit from 2-minute walk, D7b exit a 3-minute walk 
    From Ginza Station Exit C1 a 1-minute walk

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