TOKYO INFRASTRUCTURE 052 Okutama Bridge

  • TOKYO INFRASTRUCTURE 052 Okutama Bridge
  • TOKYO INFRASTRUCTURE 052 Okutama Bridge
  • TOKYO INFRASTRUCTURE 052 Okutama Bridge
  • TOKYO INFRASTRUCTURE 052 Okutama Bridge
  • TOKYO INFRASTRUCTURE 052 Okutama Bridge
多摩川では、青梅を基点に扇状地が広がる。奥多摩橋は、その扇頂よりやや上流に架かる。多摩川を<背骨>とするならば、<骨盤>あたりに架かる橋といえよう。 そこには深い渓谷が広がり、トラスとアーチを組み合わせたブレースドリブ・ […] ...

TOKYO INFRASTRUCTURE 031 Akihabara

  • TOKYO INFRASTRUCTURE 031 Akihabara
  • TOKYO INFRASTRUCTURE 031 Akihabara
  • TOKYO INFRASTRUCTURE 031 Akihabara
  • TOKYO INFRASTRUCTURE 031 Akihabara
A town where the two elevated railroads of north-south and east-west intersect. Originally the North-South Rai […] ...

TOKYO INFRASTRUCTURE 005 Tokyo Viaduct

  • TOKYO INFRASTRUCTURE 005 Tokyo Viaduct
  • TOKYO INFRASTRUCTURE 005 Tokyo Viaduct
  • TOKYO INFRASTRUCTURE 005 Tokyo Viaduct
  • TOKYO INFRASTRUCTURE 005 Tokyo Viaduct
  • TOKYO INFRASTRUCTURE 005 Tokyo Viaduct
  • TOKYO INFRASTRUCTURE 005 Tokyo Viaduct
東京駅のやや北から新橋駅のやや南まで達する赤煉瓦アーチの高架橋は、現在も山手線と京浜東北線の電車が複々線で往復している。わが国最初の高架鉄道は、1904年に完成した本所(錦糸町)~両国橋(両国)間であったが改築されて現存 […] ...

TOKYO INFRASTRUCTURE 020 Metropolitan Expressway

  • TOKYO INFRASTRUCTURE 020 Metropolitan Expressway
  • TOKYO INFRASTRUCTURE 020 Metropolitan Expressway
  • TOKYO INFRASTRUCTURE 020 Metropolitan Expressway
  • TOKYO INFRASTRUCTURE 020 Metropolitan Expressway
  • TOKYO INFRASTRUCTURE 020 Metropolitan Expressway
  • TOKYO INFRASTRUCTURE 020 Metropolitan Expressway
  • TOKYO INFRASTRUCTURE 020 Metropolitan Expressway
  • TOKYO INFRASTRUCTURE 020 Metropolitan Expressway
  • TOKYO INFRASTRUCTURE 020 Metropolitan Expressway
Many of the world’s big cities have two layers of transportation networks, ground and underground. Roads […] ...

TOKYO INFRASTRUCTURE 015 Honjo/Fukagawa

  • TOKYO INFRASTRUCTURE 015 Honjo/Fukagawa
  • TOKYO INFRASTRUCTURE 015 Honjo/Fukagawa
  • TOKYO INFRASTRUCTURE 015 Honjo/Fukagawa
  • TOKYO INFRASTRUCTURE 015 Honjo/Fukagawa
In the Edo era, it was usual to proceed with landfill surrounding religious facilities for urbanization. Fukag […] ...

TOKYO INFRASTRUCTURE 061 Kokubunji Terrace Cliff

  • TOKYO INFRASTRUCTURE 061 Kokubunji Terrace Cliff
  • TOKYO INFRASTRUCTURE 061 Kokubunji Terrace Cliff
  • TOKYO INFRASTRUCTURE 061 Kokubunji Terrace Cliff
  • TOKYO INFRASTRUCTURE 061 Kokubunji Terrace Cliff
武蔵野台地は、厚い火山灰の層・関東ローム層で覆われ、地下水脈が深い。そのため、かつては水を求めて大きく深い井戸が掘られた。これは「掘兼(ほりかね)の井」と呼ばれ、 「武蔵野の 掘兼の井も ある物を うれしく水の 近づきに […] ...

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 […] ...

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 046 Goshiki-Sakura-Ohashi Bridge

  • TOKYO INFRASTRUCTURE 046 Goshiki-Sakura-Ohashi Bridge
  • TOKYO INFRASTRUCTURE 046 Goshiki-Sakura-Ohashi Bridge
  • TOKYO INFRASTRUCTURE 046 Goshiki-Sakura-Ohashi Bridge
  • TOKYO INFRASTRUCTURE 046 Goshiki-Sakura-Ohashi Bridge
  • TOKYO INFRASTRUCTURE 046 Goshiki-Sakura-Ohashi Bridge
  • TOKYO INFRASTRUCTURE 046 Goshiki-Sakura-Ohashi Bridge
技術的にはかなり特殊な橋である。 くしのような形をしたアーチ橋で、くしの歯の代わりに綾状のケーブルを張る。また、車を通す桁が上下2段に分かれ、それらが綾状のケーブルによってアーチリブと結合されている。それが、荒川放水路に […] ...

TOKYO INFRASTRUCTURE 070 Wada-Yayoi Trunk Sewer

  • TOKYO INFRASTRUCTURE 070 Wada-Yayoi Trunk Sewer
  • TOKYO INFRASTRUCTURE 070 Wada-Yayoi Trunk Sewer
  • TOKYO INFRASTRUCTURE 070 Wada-Yayoi Trunk Sewer
  • TOKYO INFRASTRUCTURE 070 Wada-Yayoi Trunk Sewer
「パリにはもうひとつのパリ、下水道のパリがある・・・。この下水道のパリにもそれなりの通り、十字路、広場、袋小路、幹線道路などがあり、往来が、ただし泥水の往来がある・・・。下水道だけでセーヌ両岸の地下に驚異的な暗黒の網目を […] ...
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