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プレパックドコンクリートの型わくに作用する圧力について(欧文)
港湾技研資料 NO.0026 1966.09
執筆者 | 赤塚雄三 |
所属 | 構造部 (材料施工研究室) |
要旨 | ・Of the cost elements in co ncrete construction, the pr oportion occupied by formwo rk will depend on the type of structure and conditions in the field. For ordinary reinforced concrete this p roportion is said to be 20 to 30 percent. In compariso n、 with prepacked concrete, for structures of massive p lain concrete such as break waters,the cost is 10 to 20 percent,for breakwaters wit h smaller cross−section 20t o 30percent and for reinfor ced concrete structures suc h as caissons and L−blo・・・ |
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(C)Copyright 1996-2007 Nationnal Institute for Land and Infastructure Management(NILIM) No reproduction or republication without permission. |