TOKYO INFRASTRUCTURE 088 The Inner Moat

  • TOKYO INFRASTRUCTURE 088 The Inner Moat
  • TOKYO INFRASTRUCTURE 088 The Inner Moat
  • TOKYO INFRASTRUCTURE 088 The Inner Moat
  • TOKYO INFRASTRUCTURE 088 The Inner Moat
  • TOKYO INFRASTRUCTURE 088 The Inner Moat
Edo Castle in the Dohkan era was defended by rivers in the south, east and north side from the Hibiya estuary […] ...

Tokyo Infrastructure 059 Nogawa River Nature Restoration Project

  • Tokyo Infrastructure 059 Nogawa River Nature Restoration Project
  • Tokyo Infrastructure 059 Nogawa River Nature Restoration Project
  • Tokyo Infrastructure 059 Nogawa River Nature Restoration Project
  • Tokyo Infrastructure 059 Nogawa River Nature Restoration Project
Some people doubt whether dongo pond and wet Yoshihara in the dandelion, this is really a civil engineering pr […] ...

TOKYO INFRASTRUCTURE 036 Sumidagawa Bridge

  • TOKYO INFRASTRUCTURE 036 Sumidagawa Bridge
  • TOKYO INFRASTRUCTURE 036 Sumidagawa Bridge
  • TOKYO INFRASTRUCTURE 036 Sumidagawa Bridge
  • TOKYO INFRASTRUCTURE 036 Sumidagawa Bridge
  • TOKYO INFRASTRUCTURE 036 Sumidagawa Bridge
隅田川を渡る鉄道橋は、1896年に日本鉄道土浦線(現在の常磐線)に架設された隅田川橋梁が最初であったが、水量も豊富で舟運の発達した中下流部では鉄道橋の架設が困難で、東京と千葉方面を結ぶ総武鉄道(現在のJR総武本線)も両国 […] ...

TOKYO INFRASTRUCTURE 029 Ochanomizu Bridge

  • TOKYO INFRASTRUCTURE 029 Ochanomizu Bridge
  • TOKYO INFRASTRUCTURE 029 Ochanomizu Bridge
  • TOKYO INFRASTRUCTURE 029 Ochanomizu Bridge
御茶ノ水付近で神田川に架かっている橋梁は、そのほとんどが神田川のはるか上空で山手台地を跨いでいるが、東京地下鉄丸ノ内線の御茶ノ水橋梁は地下鉄の橋なので、最も低い水面すれすれの場所を通過している。神田川は今も舟運が行われて […] ...

TOKYO INFRASTRUCTURE 008 Tsukiji-Ohashi Bridge

  • TOKYO INFRASTRUCTURE 008 Tsukiji-Ohashi Bridge
  • TOKYO INFRASTRUCTURE 008 Tsukiji-Ohashi Bridge
This new bridge in the city center is built on the most downstream of the Sumida River. It connects Tsukiji an […] ...

TOKYO INFRASTRUCTURE 053 Ogouchi Dam

  • TOKYO INFRASTRUCTURE 053 Ogouchi Dam
  • TOKYO INFRASTRUCTURE 053 Ogouchi Dam
  • TOKYO INFRASTRUCTURE 053 Ogouchi Dam
  • TOKYO INFRASTRUCTURE 053 Ogouchi Dam
  • TOKYO INFRASTRUCTURE 053 Ogouchi Dam
  • TOKYO INFRASTRUCTURE 053 Ogouchi Dam
東京では、都市の成長に合わせて極めて短いスパンで水道拡張工事が行われた。1911年に玉川上水を改良して近代創設水道が完成すると(羽村取水堰の改築はその成果の一つ)、わずかその2年後に第1次拡張工事に着手され(その成果が村 […] ...

TOKYO INFRASTRUCTURE 050 Murayama-Yamaguchi Reservoir

  • TOKYO INFRASTRUCTURE 050 Murayama-Yamaguchi Reservoir
  • TOKYO INFRASTRUCTURE 050 Murayama-Yamaguchi Reservoir
  • TOKYO INFRASTRUCTURE 050 Murayama-Yamaguchi Reservoir
  • TOKYO INFRASTRUCTURE 050 Murayama-Yamaguchi Reservoir
東京には、湖が2つある。多摩湖と奥多摩湖である。県境を跨いで多摩湖に隣接する狭山湖を加えて、3つと言ってよいかもしれない。これらに共通するのは、いずれも東京都民の水がめとしてつくられた人造湖であるということ。多摩湖と狭山 […] ...

TOKYO INFRASTRUCTURE 051 Hamura weir

  • TOKYO INFRASTRUCTURE 051 Hamura weir
  • TOKYO INFRASTRUCTURE 051 Hamura weir
  • TOKYO INFRASTRUCTURE 051 Hamura weir
  • TOKYO INFRASTRUCTURE 051 Hamura weir
  • TOKYO INFRASTRUCTURE 051 Hamura weir
  • TOKYO INFRASTRUCTURE 051 Hamura weir
  • TOKYO INFRASTRUCTURE 051 Hamura weir
  • TOKYO INFRASTRUCTURE 051 Hamura weir
「(水道は)江戸という、人口世界一の都市をささえた血管といっていい。・・・上水道については、江戸はロンドンやパリにくらべてほぼ同時代に出発し、土木構造の上からみても、偶然似かよっている(紀元前のローマ帝国の上水道について […] ...

TOKYO INFRASTRUCTURE 023 Tokiwa-bashi Bridge

  • TOKYO INFRASTRUCTURE 023 Tokiwa-bashi Bridge
  • TOKYO INFRASTRUCTURE 023 Tokiwa-bashi Bridge
  • TOKYO INFRASTRUCTURE 023 Tokiwa-bashi Bridge
At the beginning of the Meiji era, the main players in urban modernization were foreign engineers, employed by […] ...

TOKYO INFRASTRUCTURE 022 Nihon-bashi bridge

  • TOKYO INFRASTRUCTURE 022 Nihon-bashi bridge
  • TOKYO INFRASTRUCTURE 022 Nihon-bashi bridge
  • TOKYO INFRASTRUCTURE 022 Nihon-bashi bridge
  • TOKYO INFRASTRUCTURE 022 Nihon-bashi bridge
  • TOKYO INFRASTRUCTURE 022 Nihon-bashi bridge
  • TOKYO INFRASTRUCTURE 022 Nihon-bashi bridge
  • TOKYO INFRASTRUCTURE 022 Nihon-bashi bridge
  • TOKYO INFRASTRUCTURE 022 Nihon-bashi bridge
  • TOKYO INFRASTRUCTURE 022 Nihon-bashi bridge
  • TOKYO INFRASTRUCTURE 022 Nihon-bashi bridge
The centre of the old five national highways in the Edo period. Even today, the seven major national highways […] ...
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