内蒙古电力技术
內矇古電力技術
내몽고전력기술
Inner Mongolia Electric Power
2015年
5期
26-29
,共4页
李永平%武卫国%项渊
李永平%武衛國%項淵
리영평%무위국%항연
1000kV特高压交流输电线路%ZBC30105BL酒杯形直线塔%真型试验%位移%应变
1000kV特高壓交流輸電線路%ZBC30105BL酒杯形直線塔%真型試驗%位移%應變
1000kV특고압교류수전선로%ZBC30105BL주배형직선탑%진형시험%위이%응변
1000 kV UHV transmission line%ZBC30105BL cup-type tangent tower%full-scale test%displacement%strain
针对锡盟—山东1000 kV特高压输电线路工程中使用的ZBC30105BL酒杯形直线塔进行了真型塔试验,测试了Q345B双拼角钢(旋转90°布置)塔在各种主要荷载工况下受力杆件实际受力值与理论计算值的符合性;验证塔身及塔腿的双拼角钢在考虑扭转屈曲条件时的工作状况;检测节点构造的安全可靠性。试验结果表明ZBC30105BL塔整体刚度较好,满足《DL/T 5154—2012架空输电线路杆塔结构设计技术规定》要求,内力实测结果与理论计算值吻合较好,铁塔强度安全可靠,设计方法合理。同时通过真型试验得出在设计时应尽量减小构造偏心值,严格控制塔身、塔腿长细比等结论。
針對錫盟—山東1000 kV特高壓輸電線路工程中使用的ZBC30105BL酒杯形直線塔進行瞭真型塔試驗,測試瞭Q345B雙拼角鋼(鏇轉90°佈置)塔在各種主要荷載工況下受力桿件實際受力值與理論計算值的符閤性;驗證塔身及塔腿的雙拼角鋼在攷慮扭轉屈麯條件時的工作狀況;檢測節點構造的安全可靠性。試驗結果錶明ZBC30105BL塔整體剛度較好,滿足《DL/T 5154—2012架空輸電線路桿塔結構設計技術規定》要求,內力實測結果與理論計算值吻閤較好,鐵塔彊度安全可靠,設計方法閤理。同時通過真型試驗得齣在設計時應儘量減小構造偏心值,嚴格控製塔身、塔腿長細比等結論。
침대석맹—산동1000 kV특고압수전선로공정중사용적ZBC30105BL주배형직선탑진행료진형탑시험,측시료Q345B쌍병각강(선전90°포치)탑재각충주요하재공황하수력간건실제수력치여이론계산치적부합성;험증탑신급탑퇴적쌍병각강재고필뉴전굴곡조건시적공작상황;검측절점구조적안전가고성。시험결과표명ZBC30105BL탑정체강도교호,만족《DL/T 5154—2012가공수전선로간탑결구설계기술규정》요구,내력실측결과여이론계산치문합교호,철탑강도안전가고,설계방법합리。동시통과진형시험득출재설계시응진량감소구조편심치,엄격공제탑신、탑퇴장세비등결론。
The full-scale test analysis for ZBC30105BL cup-type tangent tower applied in 1000 UHV Transmissionline Project from Xilin Gol to Shandong has been carried out to compare the theoretical calculation results of the internal force with the practical results of the Q345B towers under the main loads, in order to verify the work situation for the bodies and legs combined by the double angle designed by considering bending an torsion of the tower, and to detect the reliability of the node structure under the lower temperature condition. The test shows that the total rigidity of ZBC30105BL fit the requirements of DL/T 5154-2012 Technical code for the design of tower and pole structures of overhead transimission line. The theoretical calculation results of internal force matches the practical situation. It has been verified that the design is reasonable and the strength of the tower is reliable. At the same time, the test shows that we should reduce the eccentricity and control the slenderness ratio as designing.