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hangzhou bay major bridge
相关语句
  杭州湾跨海大桥
     The Pri mary GPS Control Network Designing and Surveying for the Hangzhou Bay Major Bridge
     杭州湾跨海大桥首级GPS控制网的设计与施测
短句来源
     Design and verification of physical model for the Hangzhou Bay Major Bridge
     杭州湾跨海大桥河工模型设计与验证
短句来源
     The primary level GPS control surveying and crucial technology of the Hangzhou Bay Major Bridge
     GPS技术在杭州湾跨海大桥首级控制网测量中的应用
短句来源
     Application of Total Station Instrument in Location of Pill Foundation of Hangzhou Bay Major Bridge
     全站仪在杭州湾跨海大桥箱梁桩基定位中的应用
短句来源
     This paper adopted GPS surveying technology to survey the primary level GPS control network of the Hangzhou Bay Major Bridge, the result indicated that:(1)There are some ways\|constructing deep stake stable mark, adding efficient surveying time, reinforced checking the quality and precision of the data, and establishing a rational coordinate system\|to improve the precision.
     应用GPS技术对杭州湾跨海大桥进行首级控制网测量,结果表明:(1)合理布设GPS控制网,并采用设置深桩固埋测量标志、增加有效观测时间、加强数据可靠性与精确性的检验、选择科学及合理的坐标系统等方法,可提高观测数据的质量和精度。
短句来源
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  杭州湾大桥
     Influence of hangzhou bay major bridge on water environment
     杭州湾大桥对水环境的影响
     The new method based on the above thought is put to the test in the Hangzhou Bay Major Bridge which spans 31 km. The result of the test is compared with grade two leveling. The max difference is 29 mm,the minimum difference is 3 mm and the average difference is 16 mm.
     根据以上思路进行研究,并以跨越31km海湾的杭州湾大桥进行试验,试验结果与二等几何水准比较,最大较差29mm,最小较差3mm,平均较差16mm,达到二等几何水准精度。
短句来源
     Acrossing the Hangzhou Bay from Zhengjiadai at the Haiyan county to the shuiluwan at the Cixi city, the Hangzhou Bay Major Bridge is 36km long.
     杭州湾大桥于浙江省慈溪市横跨杭州湾,全长36km,为迄今已建与在建的世界最长的跨海公路桥梁。
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In this paper, the characteristics of tidal current distribution in Zhapu section of Hangzhou Bay are analyzed and discussed, using the synchronous observed tidal current data obtained from 8 stations of Zhapu section during September, 2000. The results show that in the section, two current cores with a greater speed occur at flood race, the current speed in the southern part is greater than that in the northern part, and the flood current speed is greater than the ebb current speed. It is useful...

In this paper, the characteristics of tidal current distribution in Zhapu section of Hangzhou Bay are analyzed and discussed, using the synchronous observed tidal current data obtained from 8 stations of Zhapu section during September, 2000. The results show that in the section, two current cores with a greater speed occur at flood race, the current speed in the southern part is greater than that in the northern part, and the flood current speed is greater than the ebb current speed. It is useful to understand the hydrological characteristics in the Hangzhou Bay, and great value to the construction of the Hangzhou Bay Major Bridge.

根据2000年9月在杭州湾乍浦断面设置的8个潮流同步观测站的资料,对该断面潮流分布特征进行了分析和探讨,结果表明:该断面大潮涨急时呈现两个大流速核;断面南部的流速要比北部的大,涨潮流速大于落潮流速。这对了解杭州湾水文特征有着一定意义,同时为杭州湾跨海大桥的设计建设提供参考。

This paper adopted GPS surveying technology to survey the primary level GPS control network of the Hangzhou Bay Major Bridge, the result indicated that:(1)There are some ways\|constructing deep stake stable mark, adding efficient surveying time, reinforced checking the quality and precision of the data, and establishing a rational coordinate system\|to improve the precision. Meanwhile, this paper handled the data with the high precision software Bernese, the precise Star Calendar and transferring coordinate,...

This paper adopted GPS surveying technology to survey the primary level GPS control network of the Hangzhou Bay Major Bridge, the result indicated that:(1)There are some ways\|constructing deep stake stable mark, adding efficient surveying time, reinforced checking the quality and precision of the data, and establishing a rational coordinate system\|to improve the precision. Meanwhile, this paper handled the data with the high precision software Bernese, the precise Star Calendar and transferring coordinate, then ensured that the precision was under a decimeter. Afterward a sound effect was achieved.(2)The close ring of the Bernese base\|line data and the examination of the reconveyed base\|line showed that all numeric difference of the synchronous ring, the unsynchronous ring and the base\|line were under the restriction. Furthermore, the ring number of the base\|lines those precisions under the 1/3 restriction were 933%, 777% and 100% respectively, and the results were excellent.(3)All the control points medium errors of the GPS network were under the restriction(02 mm).Moreover, the precision of the 966% control points were under 667 mm. The difference between the result from the Precise Star Calendar and the result from the Broadcasting Star Calendar was insignificant that it was under the half of the restriction. The result from the Precise Star Calendar was clear superiority than the result from the Broadcasting Star Calendar.

应用GPS技术对杭州湾跨海大桥进行首级控制网测量,结果表明:(1)合理布设GPS控制网,并采用设置深桩固埋测量标志、增加有效观测时间、加强数据可靠性与精确性的检验、选择科学及合理的坐标系统等方法,可提高观测数据的质量和精度。同时,对观测数据采用Bernese高精度基线处理软件和精密星历进行基线解算、网平差和坐标转换,保证了杭州湾跨海大桥首级控制网的精度在厘米级之内,使成果的质量达到优良。(2)Bernese基线数据的闭合环及复测基线的检核表明:同步环、异步环闭合差量值及复测基线互差量值全部符合限差要求,且在允许值的1/3以内的基线环数分别占93.3%、77.7%和100%,其成果精度达到优良。(3)GPS控制网的控制点点位的中误差全部满足±20mm的技术设计要求,并且有96.6%的控制点点位中误差在限差的1/3范围以内,精度较高。使用精密星历和广播星历两种不同的数据处理方法进行数据处理,其坐标互差吻合得较好,全部互差值均在限差允许值的1/2范围以内,且使用精密星历计算的成果精度明显高于使用广播星历计算的成果精度。

This paper introduces the using of the technique of RTK to topographic survey for Hangzhou Bay Major Bridge, it also provides comparison and analysis for the result gotten by RTK, the error gets from one point would not deliver to the other, and the results coincide with that get from TS(total\|station)etc. So it can be used to replace the second\|class of third\|class traversing and out\|order leveling; When the distance between the flowing station and the reference station is not beyond 10 km the RTK...

This paper introduces the using of the technique of RTK to topographic survey for Hangzhou Bay Major Bridge, it also provides comparison and analysis for the result gotten by RTK, the error gets from one point would not deliver to the other, and the results coincide with that get from TS(total\|station)etc. So it can be used to replace the second\|class of third\|class traversing and out\|order leveling; When the distance between the flowing station and the reference station is not beyond 10 km the RTK shows a more convenient and more quick character in the under\|water terrain surveying, but when it is beyond 10 km the accuracy could not be guaranteed. In the process of Hangzhou Bay Major Bridge building the RTK must be used in location and altimetric surveying because it can boost the working efficiency and the quality of the achievements.

介绍了RTK技术在杭州湾跨海大桥桥位地形测绘中的应用,并对其定位结果进行了精度比较与分析,结果表明:RTK定位测量的点位精度可达厘米级,各点位之间不存在误差积累,与全站仪等测量手段取得的结果符合得较好,可以用来代替二三级导线控制测量和等外水准等测量方法;流动站与基准站的距离在10km范围以内时,应用RTK技术对近岸水下地形进行测量具有方便、快捷、精度高等特点,但当此距离超过10km时,其精度则难以保证。杭州湾跨海大桥施工时应用RTK技术进行定位、高程测量,可提高工作效率和成果的质量。

 
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