岩土工程学报2017，Vol.39Issue(5)：896-905,10.DOI:10.11779/CJGE201705014
土工离心机光纤光栅测试系统及其模型试验研究
Fiber Bragg grating test system and model tests based on geotechnical centrifuge
摘要
Abstract
The fiber Bragg grating (FBG) sensing technology has many advantages such as associate distribution, high precision, anti-electromagnetic, real-time monitoring, etc., and the sensors can be miniaturized according to monitoring objects. A set of FBG sensing monitoring system is introduced, including the software and hardware of the system, the FBG demodulator, the miniaturization of the sensors and the manufacturing process sensing models for anchors, pile foundation, inclinometer pipes and retaining walls. The monitoring data show that the system can be availably applied to geotechnical centrifuge model for multi-parameter monitoring, and it is of advantages such as simple structure, abundant test content, high precision, high range, anti-electromagnetic interference and stable performances. The matching FBG sensors are light and small and can be arranged in the way of associate distribution so as to form an overall monitoring network. The FBG monitoring system may provide a new method for the measurement of geotechnical model tests.关键词
土工离心机/光纤光栅测试系统/小型传感器/感测模型Key words
geotechnical centrifuge/FBG test system/small sensor/sensing model分类
建筑与水利引用本文复制引用
贾立翔,施斌,魏广庆,张振,童恒金..土工离心机光纤光栅测试系统及其模型试验研究[J].岩土工程学报,2017,39(5):896-905,10.基金项目
国家自然科学基金重点项目(41230636) （41230636）
国家重大科研仪器研制项目(41427801) （41427801）
