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The Mix Ratio Study of Self-Stressed Anti-Washout Underwater Concrete Used in Nondrainage Strengthening

Compared with AWC, the expansibility and self-stress of the SSAWC can be easily observed, and the compressive strength ratio of the C30 self-stressed anti-washout underwater concrete casted in water to that casting in air is much bigger, implying that SSA WC is applicable to the nondrainage strengthening.
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Deformation Monitoring for Chinese Traditional Timber Buildings Using Fiber Bragg Grating Sensors

The results show that a good agreement is obtained between the values given by the methods proposed in this paper and other methods implies that the proposed deformation monitoring methods are applicable and effective in the health monitoring of Chinese traditional timber structures.
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Structural Health Monitoring System Based on FBG Sensing Technique for Chinese Ancient Timber Buildings

This paper develops an FBG sensing-based structural health monitoring system for Chinese ancient Chuan-dou-type timber buildings that aims at monitoring structural deformation, i.e., beam deflection and column inclination, temperature, humidity, and fire around the building.
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Distributed Settlement and Lateral Displacement Monitoring for Shield Tunnel Based on an Improved Conjugated Beam Method

Because of several unforeseen actions such as the deep excavation and long-term consolidation of ground, the settlement and lateral displacement have become important parameters for shield tunnel.…
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Damage Detection and Evaluation for an In-Service Shield Tunnel Based on the Monitored Increment of Neutral Axis Depth Using Long-Gauge Fiber Bragg Grating Sensors

A damage detection method based on the monitored increment of the neutral axis depth; and an index to evaluate longitudinal damage, composed of the residual ratios of the equivalent flexural stiffness and the equivalent shear stiffness, are proposed.
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Evaluation of Prestress Loss Distribution during Pre-Tensioning and Post-Tensioning Using Long-Gauge Fiber Bragg Grating Sensors

A new installation method for long-gauge fiber Bragg grating (LFBG) sensors to prevent accidental damage is proposed and the durability of the LFBG sensors was better than foil-strain gauges and the calculated prestress losses were close to those derived from theoretical predictions.
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Distributed Deformation Monitoring for a Single-Cell Box Girder Based on Distributed Long-Gage Fiber Bragg Grating Sensors

This paper revises the improved conjugated beam method (ICBM) based on the long-gage fiber Bragg grating (LFBG) sensors to satisfy the requirements for monitoring the two additional deformations in a single-cell box girder and proposes a suitable LFBG sensor placement in abox girder to overcome the influence of strain fluctuation on the flange caused by the shear lag effect.
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Damage prognosis of China ancient wooden buildings based on structural health monitoring system

To protect the China ancient cultural heritage and ancient buildings, this paper proposed an ultimate life prediction method that is suitable for the Chinese ancient wooden buildings. An ancient…
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A forecasting method based on Fourier time series for short-term settlements in adjacent structures during an under-passing shield tunnel construction

During an under-passing shield tunnel construction,the safety of the adjacent structures is only determined by existing structural settlements. It is lack of the forecasting method for the future…

MULTI-DIRECTIONAL DISPLACEMENTS FOR A LONG-DISTANCE PIPELINE BASED ON THE DISTRIBUTED STRAIN MEASUREMENTS

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