(上海建筑设计研究院有限公司, 上海 200041)

摘要: 鉴于科学装置对振动要求十分苛刻,且不同装置的控制标准也各有不同,需要进行针对性的振动控制设计. 简要介绍了适用于科学装置的振动数据处理方法. 根据软土地区环境振动的特点,分析了不同振源对科学装置的影响. 采用现场实测和计算分析相结合的微振动控制设计方法,结合上海软土地基科学装置的工程经验,探讨了不同因素对控制标准确定的影响,分析了振动测试对微振动控制设计的重要性. 将现场实测与计算分析相结合的方法应用于软土地区工程中,并将分析数据与实测数据进行了比较. 结果表明,现场实测与计算分析相结合的微振动控制设计方法可以真实反映振动衰减规律,评估振动水平.

关键词: 科学装置; 微振动; 振动控制; 软土地基; 振动测试

中图分类号:TU318+. 1 文献标志码:A 文章编号:1002-848X(2023)01-0095-07

DOI:10. 19701 / j. jzjg. SHY2313

Study on micro-vibration control of scientific facility in soft soil area

WANG Qinping, JIA Jing, YANG Jun

(Shanghai Institute of Architectural Design & Research Co. , Ltd. , Shanghai 200041, China)

Abstract: In view of the harsh vibration requirements of scientific facility, as well as different control standard for differentfacility, it is necessary to carry out targeted vibration control design. The vibration data processing methods for scientificfacility was briefly introduced. According to the characteristics of environment vibration in soft soil area, the influence ofdifferent vibration sources on scientific facility was analyzed. Based on the design method of micro-vibration control whichcombines field measurement and calculation analysis, combined with the engineering experience of scientific facility inShanghai soft soil foundation, the influence of different factors on the determination of control standards was discussed, andthe importance of vibration test for micro-vibration control design was analyzed. The method which combines fieldmeasurement and calculation analysis was applied into projects in soft soil area, and the analysis data was compared withthe measured data. The results show that micro-vibration control design method combined with field measurement andcalculation analysis can truly reflect the vibration attenuation law and evaluate the vibration level.

Keywords:scientific facility; micro-vibration; vibration control; soft soil foundation; vibration measurement

∗上海市科学技术委员会课题:新一代大科学装置超大超长空间高精度恒温控制与纳级振动控制关键技术研究(21DZ1203100).

作者简介:王沁平,学士,高级工程师,主要从事工程振动控制研究,Email:wangqp@ aisa. com. cn.

[引用本文] 王沁平,贾京,杨军. 软土地区科学装置微振动控制研究[J]. 建筑结构,2023,53(1):95-101. WANGQinping,JIA Jing, YANG Jun. Study on micro-vibration control of scientific facility in soft soil area [ J ]. BuildingStructure,2023,53(1):95-101.