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- 小林 俊夫
- 鹿島建設武藤記念研究室
書誌事項
- タイトル別名
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- THE EFFECT OF VERTICAL EARTHQUAKE COMPONENT ON THE UPLIFT OF THE NUCLEAR REACTOR BUILDING
- ゲンシロ タテヤ ノ ジシンジ キソ セッチリツ ト ジョウゲ ジシンドウ
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During a strong earthquake, the base mat of a nuclear reactor building may be lifted partially by the response overturning moment. And it causes geometrical nonlinear interaction between the base mat and rock foundation beneath it. In order to avoid this uplift phenomena, the base mat and/or plan of the building is enlarged in some cases. These special design need more cost and/or time in construction. In the evaluation of the uplift phenomena, a parameter "η" named "contact ratio" is used defined as the ratio of compression stress zone area of base mat for total area of base mat. Usually this contact ratio is calculated under the combination of the maximum overturning moment obtained by the linear earthquake response analysis and the normal force by the gravity considering the effect of the vertical earthquake component. In this report, the effect of vertical earthquake component for the uplift phenomena is studied and it concludes that the vertical earthquake component gives little influence on the contact ratio. In order to obtain more reasonable contact retio, the nonlinear rocking analysis subjected to horizontal and vertical earthquake motions simultaneously is proposed in this report. As the second best method, the combination of the maximum overturning moment obtained by linear analysis and the normal force by only the gravity without the vertical earthquake effect is proposed.
収録刊行物
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- 日本建築学会構造系論文報告集
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日本建築学会構造系論文報告集 361 (0), 49-57, 1986
一般社団法人 日本建築学会
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詳細情報 詳細情報について
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- CRID
- 1390282680581715456
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- NII論文ID
- 110004084279
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- NII書誌ID
- AN10040177
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- ISSN
- 24330000
- 09108025
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- NDL書誌ID
- 3077999
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
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- 使用不可