Application Studies of Optic Fiber Measuring Techniques for Field Tests of Overlength Piles in Subway Engineering

Xiao Rui Wang; Feng Li; Xiao Feng Jia

doi:10.4028/www.scientific.net/AMR.168-170.2548

Paper Titles

Experimental Study on Microcosmic and Microscopic Properties of C100 High-Strength Concrete
p.2529

Stability Analysis of Tunnel Structure in Gob Area
p.2533

Study of Ultimately Loading of Pile Foundation by Strength Reduction Method of No-Linear Limit Analysis of FEM
p.2537

A Study on Stability of Expressway Tunnel Surrounding Rock Containing Weak Intercalated Rock
p.2543

Application Studies of Optic Fiber Measuring Techniques for Field Tests of Overlength Piles in Subway Engineering
p.2548

Initial Crack Propagation Directions of Branched Crack under Tension with Finite Element Analysis
p.2553

Insulation Materials Selection for Passive Evaporative Cooling Roof in Buildings
p.2558

Application of Non-Destructive Technology in Evaluating Concrete to Sulfate Attack
p.2565

Adsorption of Methylene Blue onto Secondary Expanded Graphite
p.2571

HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 168-170Application Studies of Optic Fiber Measuring...

Application Studies of Optic Fiber Measuring Techniques for Field Tests of Overlength Piles in Subway Engineering

Abstract:

Testing the overlength pile in urban subway engineering is the key for quality control. Because of the limitations of urban construction sites, it is difficult to achieve efficient results with the normal testing method. Optical fiber measuring technique has gradually replaced the application of the traditional strainometer in geotechnical engineering testing as a result of the unique advantages it offers. In this study, first, the principles underlying the optical fiber measuring technique are introduced and its application in pile foundation testing in subway engineering is discussed. Then, combined with engineering practice, the optical fiber measuring technique is employed to study the law of development of strain in the overlength pile with the loading process under the action of vertical load. Finally, some meaningful conclusions are arrived at and reference foundations are provided for the optimized design of the same kind of engineering.

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Periodical:

Advanced Materials Research (Volumes 168-170)

Pages:

2548-2552

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.168-170.2548

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Online since:

December 2010

Authors:

Xiao Rui Wang, Feng Li, Xiao Feng Jia

Keywords:

Field Test, Optical Fiber Measurement, Overlength Pile, Subway

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