差阻式仪器和振弦式仪器的性能特点及改进

摘要

The principles of differential resistance and vibrating wire instruments series are briefly introduced. Based on it, applications of such instruments need to note in project sites are proposed. The performance and characteristics of newly developed large vibrating wire strain meter are introduced in details, as well as the improved differential resistance anchor dynamometer and new vibrating wire stress meter for concrete.%简要介绍了差动电阻式及振弦式系列仪器的原理,据此提出了该类仪器在工程现场应用时需要注意的问题.详细介绍了新型振弦式大应变计、改进后的差动电阻式锚索测力计及新型振弦式混凝土压力计的性能和特点.