1) long-span crossing
大型跨越
2) SZKT large crossing tower
SZKT型大跨越铁塔
1.
The SZKT large crossing tower used in the Yangtze River crossing of Three Gorges Youjing 500 kV transmission line project is constructed using combined lifting pole method,which combines guyed lifting pole and A-frame lifting pole.
三峡右荆500 kV输电线路长江大跨越工程中的SZKT型大跨越铁塔,利用内悬浮外拉线抱杆与人字副抱杆有机结合的组合式抱杆,进行分解组立的施工方法,巧妙地解决了大跨越铁塔因头部横向尺寸宽、单吊重量大而造成的组塔施工困难。
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) 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
5) 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。
6) large span
大跨越
1.
This paper presents the study and development of a high strength heat resistant aluminium alloy conductor for large span installation.
阐述了用于大跨越的高强度耐热铝合金导线的研究与试制。
2.
Because of local weather and large span, conductor and earthing wire sag observation in large span line construction is different from that of normal lines, resulting in relatively large affects on accuracy.
在大跨越线路工程导、地线弧垂观测中,由于局部气候及档距大的影响,弧垂观测工作与普通导、地线弧垂观测有所不同,而且这些不同对导地线弧垂的精度有较大的影响。
3.
Conductor optimization is the key in large span design.
大跨越工程的导线选择是大跨越工程设计中的关键,因为导线的特性决定跨越塔的高度和运行张力,也决定电能输送性能。
补充资料：鞍山钢铁(集团)公司大型轧钢厂大型轧机热轧型钢
鞍山钢铁(集团)公司大型轧钢厂大型轧机热轧型钢
鞍山钢铁(集团)公司大型轧钢厂大型轧机热轧型钢
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