中文摘要:设计时间较早的塔型没有考虑风压高度变化系数，最大设计风速偏低。对原有铁塔进行加固补强，提高其抵抗大风的能力，保证铁塔的安全运行迫不及待。通过试验对背靠背主材加固措施进行探讨，考虑连接板形式以及连接螺栓个数对加固后承载力的影响，在试验的基础上提出加固优化方案，为同类塔型的加固补强提供参考.
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