{"title":"中心柱支撑的螺旋楼梯分析","authors":"A. Rutenberg","doi":"10.1016/0007-3628(75)90006-7","DOIUrl":null,"url":null,"abstract":"<div><p>A method is proposed for the analysis of a central column supporting uniformly loaded cantilevered stairs. Equations for determination of bending moments about two perpendicular axes for hinged and fixed support conditions are given. Tabulated results for these moments and their resultant are presented for the range of spiral turn angles encountered in practice. Maximum resultant span moments obtained by means of the Newton-Raphson method are also given in tabular form. Finally, the method is illustrated by a numerical analysis of three-storey spiral stairs.</p></div>","PeriodicalId":9442,"journal":{"name":"Building Science","volume":"10 1","pages":"Pages 37-42"},"PeriodicalIF":0.0000,"publicationDate":"1975-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0007-3628(75)90006-7","citationCount":"0","resultStr":"{\"title\":\"Analysis of spiral stairs supported on a central column\",\"authors\":\"A. Rutenberg\",\"doi\":\"10.1016/0007-3628(75)90006-7\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>A method is proposed for the analysis of a central column supporting uniformly loaded cantilevered stairs. Equations for determination of bending moments about two perpendicular axes for hinged and fixed support conditions are given. Tabulated results for these moments and their resultant are presented for the range of spiral turn angles encountered in practice. Maximum resultant span moments obtained by means of the Newton-Raphson method are also given in tabular form. Finally, the method is illustrated by a numerical analysis of three-storey spiral stairs.</p></div>\",\"PeriodicalId\":9442,\"journal\":{\"name\":\"Building Science\",\"volume\":\"10 1\",\"pages\":\"Pages 37-42\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1975-03-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/0007-3628(75)90006-7\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Building Science\",\"FirstCategoryId\":\"1087\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/0007362875900067\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Building Science","FirstCategoryId":"1087","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/0007362875900067","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Analysis of spiral stairs supported on a central column
A method is proposed for the analysis of a central column supporting uniformly loaded cantilevered stairs. Equations for determination of bending moments about two perpendicular axes for hinged and fixed support conditions are given. Tabulated results for these moments and their resultant are presented for the range of spiral turn angles encountered in practice. Maximum resultant span moments obtained by means of the Newton-Raphson method are also given in tabular form. Finally, the method is illustrated by a numerical analysis of three-storey spiral stairs.
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