Relocation work of Yotsuyamitsuke Bridge (TADANO TG1000M, 1992)
| title(JPN) | 四谷見附橋の移築工事（TADANO TG1000M・平成4年（1992）） |
|---|---|
| ID | 1197 |
| Year | 1992/00/00 |
| Location(JPN) | 八王子市,長池公園,四谷見附橋 |
| location | Hachioji City, Nagaike Park, Yotsuya Mitsuke Bridge |
| Photographer(JPN) | UR都市機構 |
| Photographer | UR Urban Organization |
| Document group name | 都市再生機構寄贈写真::八王子市域 |
| Description | 長池公園内への四谷見附橋（現在の長池見附橋）の移築工事の様子。 元の四谷見附橋は大正2年（1913）に竣工した、橋長37m・幅員約22mの橋で、新宿通りの拡幅に際して架け替えられることとなり、現存する都内最古の橋として建築的・文化財的な価値が高いとされ、長池公園内に移築されることとなった。 アーチリブと呼ばれる鋼材を吊り上げているクレーンはTADANO TG-1000M（最大吊り上げ重量100トン）。 四谷見附橋時代、11本あったアーチリブは強度検査などに用いられた2本分が少なくなり、9本となったため、移築後は元の橋より数メートル細くなった。使われなかった鋼材は橋の周囲のオブジェとして利用されている。 |
| Description | Relocation work of Yotsuya Mitsuke Bridge (currently Nagaike Mitsuke Bridge) to Nagaike Park. The original Yotsuya Mitsuke Bridge was completed in 1913, and was 37 meters long and approximately 22 meters wide.It was replaced when Shinjuku Street was widened, and as the oldest existing bridge in Tokyo, it was considered to have high architectural and cultural value, and was relocated to Nagaike Park. The crane used to lift the steel material called arch ribs is TADANO TG-1000M (maximum lifting weight 100 tons). During the Yotsuya Mitsuke Bridge era, there were 11 arch ribs, but two were used for strength tests, and now there are 9, so after the bridge was relocated, it was several meters thinner than the original bridge. The unused steel materials are now being used as objects around the bridge. |
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