三峡升船机塔柱混凝土施工测量技术

罗琛()、晏春波

中国工程科学 ›› 2013, Vol. 15 ›› Issue (9) : 97-101.

PDF(883 KB)
PDF(883 KB)
中国工程科学 ›› 2013, Vol. 15 ›› Issue (9) : 97-101.

三峡升船机塔柱混凝土施工测量技术

  • 罗琛()、晏春波

作者信息 +

Construction survey technology on concrete construction of Three Gorges Project ship lift tower

  • Luo Chen、Yan Chunbo

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摘要

针对三峡垂直升船机高薄壁塔柱结构混凝土形体及内置埋件施工精度指标要求,对三峡升船机塔柱混凝土及内置埋件施工测量中的平面、高程基准传递及埋件定位测量方法进行了研究。分别将天顶仪投点、电磁波测距及中心带照准标志的圆柱螺帽型定位装置施工测量技术运用于混凝土结构尺寸控制测量以及内置埋件定位测量。通过对实测数据的统计与分析,证明三峡升船机塔柱混凝土施工测量技术方案具有可靠性和可行性。

Abstract

Three Gorges Project vertical ship lift is high-walled tower structure. According to the precision requirements of construction for concrete body and built-in embedded parts, the plane, elevation datum transmission and positioning measurement methods for embedded parts in construction survey of concrete and built-in embedded parts of Three Gorges Project ship lift tower were studied. The construction survey technologies, including zenith telescope planar cast point, electromagnetic distance measuring and cylindrical nut type positioning device with a sighting mark in center are applied to size-control measurement for concrete structure and positioning measurement for built-in embedded parts respectively. Through the statistical analysis on the measured data, the construction survey technology solutions for concrete construction of Three Gorges Project ship lift tower are proved to be reliable and feasible.

关键词

施工测量 / 天顶仪投点 / 电磁波测距 / 套管空间定位测量 / 三峡升船机

Keywords

construction survey / zenith telescope cast point / electromagnetic distance measuring / spatial positioning measurement for casing / Three Gorges Project ship lift

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罗琛,晏春波. 三峡升船机塔柱混凝土施工测量技术. 中国工程科学. 2013, 15(9): 97-101

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