光纤传感技术在桩基内力监测中的应用研究

Application research on the inner force of pile based on optical fiber sensing technology

介绍了光纤传感技术的原理,基于应变测量建立了桩基轴力计算方法,通过某桩基静载现场试验,验证了该方法用于桩基内力监测的应用效果。考虑光纤传感技术可实现分布式监测,因此,在桩基工程中具有广阔的应用前景。

In the paper the sensing principle of optical fiber sensing is firstly introduced. Then,the method of axial force calculation is proposed based on the strain sensing for the pile structure. Lastly,the effectiveness of the proposed method was verified with some field static tests of one pile project. Considering the advantage of distributed sensing of the optical fiber sensing,the proposed method presents broad application prospects in the pile project.