基于基桩动态测量仪校准及不确定度评定方法的研究  

Research on Calibration and Uncertainty Assessment Methods of Foundation Pile Dynamic Measuring Instruments

作　　者：谢福金 张超前 谢如辉 谢小芳 郑靓 Xie Fujin;Zhang Chaoqian;Xie Ruhui;Xie Xiaofang;Zheng Liang(Guangdong Provincial Academy of Building Research Group Co.,Ltd.,Guangzhou 511350)

机构地区：[1]广东省建筑科学研究院集团股份有限公司,广州市511350

出　　处：《仪器仪表标准化与计量》2024年第4期33-35,共3页Instrument Standardization & Metrology

摘　　要：本文主要针对基桩动态测量仪用于测量基桩在施工或使用过程中的受力和变形情况,通过应用程控标定仪、中频标准振动台、功率放大器、专业振动传感器、计量软件等综合实验,设置合适的测量模式、采样频率、测量范围等参数进行校准,并保持对校准过程的分析研究。通过分析校准过程,对示值结果进行不确定度评定。The paper mainly focuses on the use of dynamic measuring instruments for measuring the stress and deformation of foundation piles during construction or use.Through comprehensive experiments such as programmable calibrators,intermediate frequency standard vibration tables,power amplifiers,professional vibration sensors and measurement software,appropriate measurement modes,sampling frequencies,measurement ranges,and other parameters are set for calibration,and the calibration process is analyzed and studied.By analyzing the calibration process,evaluate the uncertainty of the indication results.

关 键 词：动力特性参数 承载能力 误差评估 不确定度评定 

分 类 号：TU473.16[建筑科学—结构工程]