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通信铁塔维护技术要求1目录一、目的4二、维护范围4三、塔型识别与塔高测量5四、角钢塔5（一）防腐......................................................................................................................................................5（二）基础......................................................................................................................................................6（三）塔体构件、紧固件..............................................................................................................................6（四）垂直度与层间偏移..............................................................................................................................6五、钢管塔7（一）防腐......................................................................................................................................................7(二)基础.........................................................................................................................................................7（三）塔体构件、紧固件..............................................................................................................................7（四）垂直度与层间偏移..............................................................................................................................8（五）法兰......................................................................................................................................................8六、法兰式单管塔8（一）防腐......................................................................................................................................................8（二）基础......................................................................................................................................................8（三）塔体构件、紧固件..............................................................................................................................9（五）法兰......................................................................................................................................................9（六）照明系统............................................................................................................................................10七、插接式单管塔10（一）防腐....................................................................................................................................................10（二）基础....................................................................................................................................................10（三）塔体构件、紧固件............................................................................................................................11（四）垂直度................................................................................................................................................11八、一体化塔房11（一）防腐....................................................................................................................................................11（二）地梁....................................................................................................................................................11（三）塔体构件、紧固件................................