桥墩台支承垫石曲线加宽计算——“座标旋转法”

• 作 者: 赵德荣
• 机 构: 乌鲁木齐铁路局,
• 出 处: 铁路标准设计通讯
• 发表日期: 1974年03期
• 关键词: 旋转法 垫石 桥墩台 铁路设计手册 通用图 计算曲线 中心线 桥台 计算跨度 横向尺寸

1.座标旋转法以往计算曲线上桥墩台支承垫石加宽都采用《铁路设计手册——桥涵》(1962年第四设计院主编,以下简称《桥涵》)上推荐的方法,这也是通用图《壹桥(71)8178——曲线上桥梁布置》(1971年第一铁路设计院编)所采用的方法。用这个方法计算支承垫石横向尺寸加宽与实际情况有些出入,为此我们采用另一种计算方法——座标旋转法,这里以计算跨度

1. Coordinate Rotation Method In the past, the bridge and abutment bearing pads on the curve were all recommended by the method recommended in “Railway Design Handbook - Bridge and Culvert” (edited by the Fourth Design Institute in 1962, hereinafter referred to as “bridge and culvert”), which is also common Figure “One Bridge (71) 8178 - Curve on the bridge layout” (1971 First Railway Design Institute) used by the method. Using this method to calculate the horizontal width of the support pad widening somewhat different from the actual situation, for which we use another calculation method - coordinate rotation method, here to calculate the span