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全文: "古渡町"
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  • 麓 和善, 水野 貴子, 濱田 晋一
    日本建築学会計画系論文集
    2018年 83 巻 748 号 1099-1107
    発行日: 2018年
    公開日: 2018/06/30
    ジャーナル 認証あり
     Hayakawa residence is a rural mansion, which is a preeminent modern Japanese-style house in Gifu prefecture.
     Most heads of rural mansions had interaction with entrepreneur and major merchants. They were highly sophisticated, intellectual and also tea ceremony masters. Furthermore, before architects gained its profession, the heads of the family, which had deep insight and intuition for architecture mainly planned and designed the residences, rather than the carpenters. There are many historical materials preserved at Hayakawa residence. In detail, they describe the role of the head, when constructing residences. Also, many buildings of Hayakawa residence were severely damaged by the Nobi Earthquake that took place in 1981 and was reconstructed immediately after the Earthquake.
     The following details of the seismic countermeasure taken place whilst the reconstruction can be identified:
     1) The ground water level is 2.4m below the current ground level. 40 holes were dug at ground water level. In each hole, 9 to 10 pine pillars were placed for the foundation. The pillars' diameter is 15cm and is about 3m long.
     2) Concerned of the thin pillars at the formal Japanese room weakened by the penetrating tie beam, the master carpenter's suggested binding the pillars and the penetrating tie beam with round iron bolts.
     3) A round timber called "Jishinbari" was put together in a cross above the ceiling as a brace.
     4) Besides "Tokobashira" pillars' sizes are all over 15cm squared.
     5) A specific joint is used at the foundation, where it cannot be seen from the outside, to prevent it from sliding.
     6) The main Carpenter gave and advice on whether the number of braces is enough or not.
     7) Penetrating tie beams are all plugged to the pillars.
     8) The pivot used at pillars alternatively reaches to the base.
     9) The beams were not patched, using one timber.
     10) In addition to the seismic countermeasures that can be verified by the historical materials, which are listed above, it can be seen in the remaining buildings that an angle beam is inserted at the corner of the girder and the roof boards are attached diagonally.
     Since Last of Edo and Meiji Era, along with the modernization of architecture in our country, traditional timber construction has also changed and innovated in modernization.
     Especially from the repeated seismic disaster after the Nobi Earthquake in 1891, seismic countermeasures have evolved through architects with the degree. They pointed out the weakness of the traditional construction and devised a resolution plan. As one of the first examples, "A Document on seismic countermeasure of timber structure residences" was published by the Investigation Committee for earthquake disaster prevention, which was established in June 1892, after a year from Nobi Earthquake, to use it as a guideline at Yamagata Prefecture, Sakata area's reconstruction residence's structure. In addition, Tamekichi Ito insisted the necessity of braces and foundation, as well as devising fixed hardware and showed an example of how to use them in the thesis he publicized at “Journal of Architecture and Building Science”. He devised that there are four defects in the traditional wooden frame construction:
     1.The weight of the roof is too heavy. 2. The pillars are isolated. 3. The structures are being cut for joints and elongating. 4. The binding done by penetrating tie beam and wedges are only temporary.
     Under these circumstances after Nobi Earthquake, Shuzo Hayakawa analyzed the seismic damage by himself, and when at reconstruction, he introduced construction method of foundation and wooden frame structure as a countermeasure for the earthquake. His pioneering acts are admirable.
  • 遠藤 大海
    精密機械
    1964年 30 巻 354 号 509-513
    発行日: 1964/07/05
    公開日: 2009/10/08
    ジャーナル フリー
  • 辻 武雄
    東京人類學會雜誌
    1893年 9 巻 92 号 63-72
    発行日: 1893/11/28
    公開日: 2010/06/28
    ジャーナル フリー
  • 森村 正直
    精密機械
    1965年 31 巻 363 号 288-293
    発行日: 1965/04/05
    公開日: 2009/06/30
    ジャーナル フリー
  • 松下 義弘
    繊維学会誌
    2018年 74 巻 9 号 P-461-P-467
    発行日: 2018/09/10
    公開日: 2018/09/30
    ジャーナル 認証あり
  • 戸所 隆
    地理学評論
    1975年 48 巻 12 号 831-846
    発行日: 1975/12/01
    公開日: 2008/12/24
    ジャーナル フリー
    本稿は,都心部の形成過程を通じ,最近の日本の都市で急速に進んでいる立体化について,とくに中高層建造物を中心に考察したものである.その結果,都市の機能分化は,従来の平面的機能分化以外に,その内部において立体的な機能分化を内包していることが判明した.すなわち,都心部では,物品販売・社交娯楽機能は地下1階~地上2階を中心に立地し,地下街とも有機的に結合している.地下2階以下は,主に駐車場や倉庫にあてられ,高層部分は業務・居住厚生機能の利用が多い.また,地下鉄など交通機関の立体化は,高層建造物の増加と関連が深く,さらに地下街も地下鉄や高層建造物の地下階の建設にともなって誕生した場合が多い.都心部の立体化は,これらのコンプレックスとして把握されねぽならないと考えるが,ここではとくに重点を中高層建造物において考察し,都心研究における立体的視点の重要性を示した.
  • 栗原 光政
    地理学評論
    1967年 40 巻 2 号 87-104
    発行日: 1967/02/01
    公開日: 2008/12/24
    ジャーナル フリー
    中京工業地帯では,最近,重化学工業化が進んでいる.工業化の顕著な, 1956, 60, 63年について,工業従業者密度1方粁26人以上の125市町村を対象に,それぞれ全出荷額に対する重化学工業の出荷額比率を求め,重化学工業・準重化学工業・軽工業に区分し,重化学工業化地域を明らかにするのを目的とした.重化学工業は名古屋市を中核とし,これを取りまいて東に刈谷・豊田,西南に桑名・四日市,北に各務原の各地区に立地している.しかしこれら3地区は最近の工業化によって漸次一連の工業地域たらんとしつつある.この場合重化学工業化は伝統工業の集積地をさけ,工業集積度の低い地域に向けられている.
    これら名古屋を中心とする40粁圏内に立地する周辺の重化学工業地と名古屋との関連を捉えるため,周辺地の主要機械工業 (13工場)を選び,その関連工場の地域別比率を求めると,いずれも名古屋に20~40%の関連工場を有している.これによると40粁圏外に立地する主要機械工場 (3) は名古屋に10%前後の関連工場を有する程度で,前者とは明瞭に区別される.名古屋を中心とする40粁圏内には,名古屋から進出する工場数も多く,重化学工業化も顕著で,この圏域内における重化学工業地・準重化学工業地が中京工業地帯の主要部をなすものと考える.
  • 渡辺 盾夫
    経済地理学年報
    1975年 20 巻 2 号 87-95
    発行日: 1975/01/25
    公開日: 2017/05/19
    ジャーナル フリー
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