Experimental Study on Penetration Characteristics of Open Pipe Pile Based on Fiber Bragg Grating Sensing Technology

Jiaxiao Ma; Yonghong Wang; Mingyi Zhang; Xiaoyu Bai; Xueying Liu

doi:10.3788/LOP57.130602

Laser & Optoelectronics Progress, Volume. 57, Issue 13, 130602(2020)

Experimental Study on Penetration Characteristics of Open Pipe Pile Based on Fiber Bragg Grating Sensing Technology

Jiaxiao Ma¹, Yonghong Wang^1,2、*, Mingyi Zhang^1,2, Xiaoyu Bai^1,2, and Xueying Liu¹

Author Affiliations

¹School of Civil Engineering, Qingdao University of Technology, Qingdao, Shandong 266033, China

²Cooperative Innovation Center of Engineering Construction and Safety in Shandong Blue Economic Zone, Qingdao, Shandong 266033, China

show less

Abstract Get PDF(in Chinese)

Figures & Tables(12)

Fig. 1. Schematic diagram of FBG

Download full size

Fig. 2. Schematic diagram of grating signal demodulation

Download full size

Fig. 3. Sensitized miniature FBG strain sensor

Download full size

Fig. 4. Calibration fitting curves of FBG sensor wavelength. (a) Sensor 1; (b) sensor 2

Download full size

Fig. 5. Aluminum detachable double-wall open model pipe pile. (a) Inner and outer tube of the model pipe pile; (b) pile tip of the model pipe pile

Download full size

Fig. 6. Schematic diagram of open model pipe pile structure and sensor position

Download full size

Fig. 7. Variation curve of model pipe pile sinking resistance

Download full size

Fig. 8. Proportion curve of model pipe pile sinking resistance

Download full size

Fig. 9. Variation curve of the axial force on inner and outer walls of model pipe pile. (a) Inner wall; (b) outer wall

Download full size

Fig. 10. Variation curve of the unit side friction resistance on inner and outer walls of model pipe pile. (a) Inner wall; (b) outer wall

Download full size

Table 1. Calibration result of FBG sensor

View table

Table 1. Calibration result of FBG sensor

Sensornumber	Centerwavelength /nm	Sensitivitycoefficient / (pm·με^-1)
3	1572.024	2.44
4	1524.944	2.88
5	1529.878	2.70
6	1524.548	2.92
7	1540.070	2.79
8	1529.988	2.74
9	1580.086	3.06
10	1585.113	2.86
11	1544.521	2.88
12	1535.033	2.87

Table 2. Parameter of model pipe pile
View table
Table 2. Parameter of model pipe pile
Material Length /mm Outsidediameter /mm Insidediameter /mm Thickness /mm Elasticmodulus /GPa Poisson's ratio
Aluminum 1000 140 80 3 72 0.3

Tools

Get Citation

Copy Citation Text

Jiaxiao Ma, Yonghong Wang, Mingyi Zhang, Xiaoyu Bai, Xueying Liu. Experimental Study on Penetration Characteristics of Open Pipe Pile Based on Fiber Bragg Grating Sensing Technology[J]. Laser & Optoelectronics Progress, 2020, 57(13): 130602

Download Citation

EndNote(RIS)BibTex Plain Text

Set citation alerts for article

Save article for my favorites