| 单线铁路连续梁桥边跨现浇段钢管支架设计 |
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| 引用本文： | 白佳祺,宋科.单线铁路连续梁桥边跨现浇段钢管支架设计[J].城市道桥与防洪,2021(2):134-137. |
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| 作者姓名： | 白佳祺 宋科 |
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| 作者单位： | 石家庄铁路职业技术学院,河北石家庄050041;石家庄铁路职业技术学院,河北石家庄050041 |
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| 基金项目： | 河北省高等学校科学技术研究项目 |
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| 摘 要： | 某单线铁路连续梁桥分跨布置为(40+64+40)m,采用菱形挂篮悬臂灌注施工.对大桥边跨现浇段的钢管支架进行了设计检算,检算内容主要有底模下方木强度和刚度计算、纵梁强度和刚度计算、垫梁强度和刚度计算、立柱强度和稳定性计算、基础计算,通过检算支架的强度、刚度、稳定性满足相关要求.
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| 关 键 词： | 悬臂浇筑 连续箱梁 钢管支架 设计检算 |
| 收稿时间： | 2020/7/17 0:00:00 |
Design of Steel-tube Support for Cast-in-place Side Span of Continuous Beam Bridge in Single-track Railway |
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| BAI Jiaqi,SONG Ke.Design of Steel-tube Support for Cast-in-place Side Span of Continuous Beam Bridge in Single-track Railway[J].Urban Roads Bridges & Flood Control,2021(2):134-137. |
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| Authors: | BAI Jiaqi SONG Ke |
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| Abstract: | The layout of side spans for a single-track continuous beam bridge is(40+64+40)-m. The construction method is the diamond-shaped form traveler cantilever pouring method. The steel-tube support for the cast-in-place side spans of bridge is designed and calculated. The checking calculation contents are mainly the strength and stiffness of the square wood under the bottom mold, the strengths and stiffness of longitudinal beam and bearing beam, the strength and stability of stand column, and the foundation. The related requirements are met through the checking calculation of strength, stiffness and stability of support. |
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| Keywords: | cantilever pouring continuous box girder steel-tube support checking calculation of design |
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