电力勘测设计
電力勘測設計
전력감측설계
ELECTRIC POWER SURVEY
2013年
2期
65-69
,共5页
线路铁塔%掏挖基础%混凝土强度%地脚螺栓%带电原位加固
線路鐵塔%掏挖基礎%混凝土彊度%地腳螺栓%帶電原位加固
선로철탑%도알기출%혼응토강도%지각라전%대전원위가고
line tower%dig foundation%concrete strength%anchor bolt%charged in-situ reinforcement
某已架线220kV铁塔基础砼强度不足,影响运行安全,需要处理.分析得出该塔存在掏挖基础抗剪切不足和地脚螺栓锚固不足的问题.对此提出将掏挖基础改造成大开挖台阶基础和增设辅助锚栓的处理措施,并提出设计和施工具体方法.本文首次提出了一套新老地脚螺栓连接装置,并应用于实际工程中.全套技术有效解决了工程问题,具有带电原位加固,施工过程安全可控的特点,可供同行业参考.
某已架線220kV鐵塔基礎砼彊度不足,影響運行安全,需要處理.分析得齣該塔存在掏挖基礎抗剪切不足和地腳螺栓錨固不足的問題.對此提齣將掏挖基礎改造成大開挖檯階基礎和增設輔助錨栓的處理措施,併提齣設計和施工具體方法.本文首次提齣瞭一套新老地腳螺栓連接裝置,併應用于實際工程中.全套技術有效解決瞭工程問題,具有帶電原位加固,施工過程安全可控的特點,可供同行業參攷.
모이가선220kV철탑기출동강도불족,영향운행안전,수요처리.분석득출해탑존재도알기출항전절불족화지각라전묘고불족적문제.대차제출장도알기출개조성대개알태계기출화증설보조묘전적처리조시,병제출설계화시공구체방법.본문수차제출료일투신로지각라전련접장치,병응용우실제공정중.전투기술유효해결료공정문제,구유대전원위가고,시공과정안전가공적특점,가공동행업삼고.
@@@@The paper is aimed to solve the problem for a 220kv operated tower which is not safe because its foundation concrete is not strong enough. Through analyzing, it finds that the problem is caused by insufficient foundation shear force and anchoring ability. Therefore, it proposed to change the dig foundation into large excavation step foundation and add supporting bolts. In addition, the paper initially proposed a coupling device for new and originally fixed anchor bolts. The above mentioned methods, characterized in charged in-situ reinforcement, safe and controllable construction, are put into projects, effectively solved engineering problems and available for the reference of power industry.
