水准测量振动环境影响研究
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摘要
观测环境对水准测量的精度具有很大的影响,本文根据数字水准仪观测的自动记录特点,设计了振动对水准测量成果影响的实验。实验结果进一步证实了《地震台站观测环境技术要求(第3部分:地形变台站)》(GB/T19531.3—2004)和《地震水准测量规范》(DB/T5—2015)关于距铁路50 m以内不应选定埋设水准点的规定,为水准测量中点位选择提供了实验依据。
The observation environment has a great influence on the accuracy of leveling. According to the automatic recording characteristics of digital level observation the experiment of vibration influence on leveling results has been designed. The experimental results further confirmed the "environmental technical requirements of seismic station observation( third parts: crustal deformation stations( GB/T19531.3-2004)) "and"earthquake leveling standard"( DB/T5-2015) provisions from the railway should not be selected within 50 meters embedded benchmarks. And it has provided experimental basis for the relevant requirements of leveling point selection.
The observation environment has a great influence on the accuracy of leveling. According to the automatic recording characteristics of digital level observation the experiment of vibration influence on leveling results has been designed. The experimental results further confirmed the "environmental technical requirements of seismic station observation( third parts: crustal deformation stations( GB/T19531.3-2004)) "and"earthquake leveling standard"( DB/T5-2015) provisions from the railway should not be selected within 50 meters embedded benchmarks. And it has provided experimental basis for the relevant requirements of leveling point selection.
引文
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[2]黄立人,杨国华,刘天奎.用速率面拟合法研究华北部分地区的现今地壳垂直运动[J].地壳形变与地震,1989,9(3):25-35.
[3]纪静,郑智江,陈聚忠,等.渤海湾区域应变应力场演化特征[J].大地测量与地球动力学,2016,36(11):985-990,997.
[4]郭良迁,黄立人.苏鲁皖地区现代构造活动性研究[J].大地测量与地球动力学,2008,28(4):18-24.
[5]纪静,夏峰.深层基岩标稳定性研究[J].国际地震动态,2015(9):175.
[6]纪静,刘芳,闫成国.天津北部地区现今构造活动性研究[J].大地测量与地球动力学,2015,35(6):974-978.
[7]孙启凯,池国民,许明远,等.地震监测中环境因素对精密水准观测影响分析[J].震灾防御技术,2016,11(3):625-632.
[8]郑国才,高俊强.数字水准仪的测量原理及测试精度分析[J].南京工业大学学报,2006,28(4):77-82.
[9]陈聚忠,楼关寿.DINI12电子水准仪振动实验[J].国际地震动态,2008(11):107.
[10]郭宝震.区域精密水准路线布设方向对观测精度的影响分析[J].震灾防御技术,2016,11(3):611-624.
[11]葛计划,孙军,熊瑛,等.数字水准仪Di Ni11/12原理及应用中应注意的问题[J].防灾科技学院学报,2009(3):72-76.
[12]郭宝震.复杂环境模式下建筑物沉降观测方法与实践[J].城市地理杂志社,2015(6):48.
[13]郭宝震,董亮,刘伟,等.数字水准仪与光学水准仪对比观测研究[J].震灾防御技术,2015(10):805-810.
[14]薄万举.流动形变监测系统[M].北京:地震出版社,2008.
[15]景琦.GNSS天线相位中心偏差校准方法的实验研究[J].仪器仪表用户,2016(1):22-23.