简介:以某市环园中路停车场出入场线项目为背景,在停车场出入场线暗挖区间施工中,通过分析工程难点,采用杂填土层注浆加固、超前大管棚、暗挖区间矿山法、二次衬砌以及地基处理等关键技术,成功克服了杂填土段开挖和下穿商场等难题.工程实践结果表明,该施工方案高效、安全、可控.Abstract:Based on the project of the entrance and exit line of the parking lot of the Middle Huanyuan Road in a city and by analyzing the engineering difficulties,the key technologies such as grouting reinforcement of the layer of miscellaneous soil,advanced large pipe roof,mining method of the underground excavation interval,secondary lining,foundation treatment.were adopted in the construction of the underground excavation section of the entrance and exit line of the parking lot.And the excavation of the miscellaneous fill section and the underpass of the shopping mall were successfully fulfilled.The engineering practice results show that this construction scheme is efficient,safe and controllable
简介:摘要变电设备竣工验收是全面检查变电站系统设计、设备制造、施工、调试和生产准备的重要环节,是保证电网安全、可靠、经济运行,发挥投资效益的关键性环节。文登公司认真分析以往变电设备验收过程存在的短板和不足,针对验收过程中的问题,从管理和技术两个方面,全面加强了验收管理工作,形成了一套行之有效的管理体系,提高了验收工作的效率和质量,确保了设备“零缺陷”投运,保障了电网安全性定运行。