1) big across
大跨越段
1.
Puts forward that 220 kV double circuit tangent tower must be optimum designed on big across of mountainous region,the "V" string being installed upper conductor on double circuit tangent tower(max span is 650 m),the upper conductor protected angle may reduce 9.
提出山区大跨越段的220 kV定型双回直线塔塔头尺寸应优化设计,将V形串应用到双回直线塔(最大使用档距650 m)的上导线,塔头处避雷线对上导线的保护角可减少9。
2) crossing pipeline
跨越管段
1.
The buried pipeline and crossing pipeline stress analysis were studied mainly by this paper.
本文主要对输气管道中的埋地管段和跨越管段进行应力分析,根据应力的分类,各种载荷及其简化方法,理论推导内压应力、热应力、外载应力等的计算公式,并运用ANSYS软件对管道在载荷作用下的应力和应变状态进行数值模拟,得出管道应力和应变的分布情况,为这些特殊管段的设计和施工提供依据。
3) long span
大跨越
1.
Design and application of long-distance transportation pipeline with long span;
长输管线大跨越的设计及应用
2.
This paper mainly investigates the wind-induced vibration control of long span transmission line systems through wind tunnel experiment of aero-elastic model.
以建设中的500 kV江阴大跨越输电塔为工程背景,通过气弹模型风洞试验,对大跨越输电塔线体系风振控制进行了研究。
4) long-span crossing
大型跨越
5) large crossing
大跨越
1.
Analysis of tower head of UHV transmission line Yellow River large crossing is performed.
对特高压线路黄河大跨越铁塔塔头进行了分析,结合现有大跨越铁塔吊装设备,创新了吊装施工方法,在塔体上安装辅助抱杆,拓展了抱杆摇臂吊装范围;计算选定合适的节点和最佳的连接方式,将抱杆与塔体连为一体,达到稳定抱杆起吊性能、增加起吊能力的目的,实现了特高压黄河大跨越塔塔头吊装。
2.
Based on the investigation of large crossing projects, the development directions of large scale for large crossing project and aluminium alloy of high-strength and big section for large crossing conductor were predicted.
文章在对大跨越工程进行调研的基础上,预测大跨越工程将向大型化、大跨越导线将向高强度大截面铝合金方向发展。
3.
Concerned calculations required for the tension stringing of the large crossing before operation are also mentioned.
文章介绍了± 5 0 0kV龙政线芜湖长江大跨越张力放线施工中 ,牵张设备、牵引绳、放线滑车等的受力计算 ,以及大跨越张力放线前需要进行哪些方面的计
6) river crossing
大跨越
1.
Study on hanging DC transmission line of Changjiang river crossing in Jiyang for Three Gorges right side power station;
在吉阳长江大跨越上续建三峡右岸直流线路的研究
2.
Experimental Research on K-joints with Q420 circular steel tubular in river crossing transmission tower from Shiyan to Xiangfan;
十堰-襄樊变电站大跨越铁塔Q420圆钢管K形节点试验研究
3.
The estimative method of lightning performance on river crossing line was introduced.
为确保特高压输电线路的耐雷可靠性,对晋东南-南阳-荆门UHV输电线路的黄河大跨越段和汉江大跨越段的雷电性能进行了研究并介绍了UHV输电线路大跨越段雷电性能评估的计算方法,同时根据我国输电线路大跨越段的运行情况,参考俄罗斯标准,以大跨越段在雷电过电压下的雷击无故障时间(耐雷指标)来确定防雷保护方案,还计算了UHV输电线路大跨越段的年绕击跳闸次数和年反击跳闸次数及雷击避雷线跨越档距中央的反击跳闸次数,提出了按雷电过电压要求的跨越塔塔头间隙。
补充资料：十报恩 赠段先生 折段字起
【诗文】：
公物外好生涯。火相逢结大砂。女盘桓看大药。牛哮吼戏灵葩。云铺地丹炉赫，子观天碧眼华。有三生君省悟，中无事步烟霞。
【注释】：
【出处】：
公物外好生涯。火相逢结大砂。女盘桓看大药。牛哮吼戏灵葩。云铺地丹炉赫，子观天碧眼华。有三生君省悟，中无事步烟霞。
【注释】：
【出处】：
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条