FBG Sensing Technology for Pipeline Monitoring in the Civil Engineering Industry

In the civil engineering industry, pipelines play a vital role in transporting various substances, such as water, gas, and oil. However, pipeline failure can cause severe consequences, including environmental damage and economic loss. Therefore, continuous monitoring of pipelines is necessary to prevent potential risks. Fiber grating sensing technology is an innovative method that can detect pipeline deformation, temperature changes, and other factors that can lead to failure. In this article, we will discuss the problems that fiber grating sensing technology can solve,and how Beijing Dacheng Yongsheng Technology Co., Ltd.(short for DCYS ) can support the pipeline monitoring in civil engineering industry.

Fiber Bragg Grating Sensing Principle:

Fiber Bragg gratings (FBGs) are periodic structures that are inscribed in the core of an optical fiber. These structures reflect a specific wavelength of light that is determined by the periodicity of the grating. When the grating is subjected to mechanical or thermal strain, the reflected wavelength changes in a predictable manner. By monitoring the reflected wavelength, changes in strain, temperature, and other parameters can be detected. FBG sensors can be used to monitor a wide range of parameters, including strain, stress, temperature, and vibration.

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Fiber Bragg Grating Sensing Principle - FBG Principle - FBG Sensor Principle - FBG Temperature Strain Stress Vibration Shape Sensing Principle

Pipeline Types in Civil Engineering:

There are various types of pipelines in civil engineering, including water supply pipelines, gas pipelines, oil pipelines, and sewage pipelines. Each pipeline type has specific requirements and challenges for monitoring. Water supply pipelines, for example, must be continuously monitored to ensure a consistent water supply, and gas pipelines must be monitored to prevent gas leaks.

Physical Diagram of OFSCN® High-Range Fiber Bragg Grating (FBG) Strain Sensor (Strain Gauge) - Single-ended, Length 1m­­

Challenges of Pipeline Monitoring:

Pipeline monitoring presents several challenges, including inaccessibility, harsh environmental conditions, and limited power supply. In many cases, pipelines are located underground, making it difficult to access and monitor them. Moreover, pipelines are often exposed to harsh environmental conditions such as extreme temperatures, corrosion, and vibration, which can cause damage. Finally, most pipelines are located in remote areas where the power supply is limited, making it challenging to install and maintain monitoring systems.

Physical Diagram of OFSCN® 300°C Capillary Seamless Steel Tube FBG Temperature Sensor(01 type, single-ended)

Solutions with FBG Technology:

Fiber grating sensing technology offers a solution to these challenges. The sensors are small and lightweight, making them easy to install and maintain in hard-to-reach areas. Moreover, FBG sensors are made of glass and do not corrode, making them suitable for use in harsh environmental conditions. Additionally, FBG sensors can operate using passive interrogation techniques, requiring little power to operate, making them ideal for use in remote areas.

Recommended fiber grating temperature, strain, stress, displacement, vibration, and shape sensors:

Fiber Bragg Grating (FBG) Shape Sensor - Curvature Sensor - Three-dimensional Bending and Multi-angle Measurement

300°C Fiber Bragg Grating Temperature Sensor - Single-Point/Multipoint FBG Thermometer - FBG Temperature Sensors

Fiber Bragg Grating Displacement Sensor - FBG Displacement Gauge - Crack Gauge

Fiber Bragg Grating Stress Sensor - FBG Stress Gauge - Bolt and Anchor Rod Stress Detection

1500με Fiber Bragg Grating Strain Sensor - FBG Strain Gauge - Metal Encapsulation - High Temperature FBG Strain Sensor

100°C Fiber Bragg Grating Temperature Sensor - Single-Point/Multipoint FBG Thermometer - FBG Temperature Sensors

6000με Fiber Bragg Grating Strain Sensor - FBG Strain Gauge - polymer material packaging - metal protection strain sensor - range 6000με/8000με

Beijing Dacheng Yongsheng Technology Co., Ltd.:

Beijing Dacheng Yongsheng Technology Co., Ltd.(short for DCYS) is a professional manufacturer of fiber grating sensors, fiber grating demodulators and system software. Specializing in the production of various fiber grating sensors, including temperature, strain, stress, displacement, vibration, shape sensors, etc. DCYS also produces fiber grating demodulators, and can customize and develop related application software.

Recommended fiber grating demodulator:

Fiber Bragg Grating Demodulator - Fiber Optic Grating Interrogator - High-Speed/Frequency FBG Analyzer

This product is produced by DCYS, and it is a high-speed high-frequency fiber Bragg grating demodulator(Interrogator). The fiber grating demodulator is compatible with various specifications and models of OFSCN® fiber bragg grating sensors (temperature, strain, stress FBG sensors, etc.). It features adjustable port density (4, 8, 12, 16 channels) and high-speed high-refresh rate capabilities.

DCYS Supports Pipeline Monitoring in the Civil Engineering Industry:

DCYS can help the civil engineering industry solve pipeline monitoring problems. DCYS's fiber grating sensors can detect pipeline deformation, temperature changes, and other factors that can lead to failure. Additionally, our sensors can be installed in hard-to-reach areas and operate using passive interrogation techniques, making them ideal for remote monitoring. Finally, their custom software can analyze the sensor data to provide real-time information on pipeline health and potential risks.

大成永盛光纤光栅传感监测系统框图

Other Points Need to Be Clarified:

Fiber grating sensing technology offers an innovative solution to pipeline monitoring in civil engineering. Beijing Dacheng Yongsheng Technology Co., Ltd. provides a range of fiber grating sensors and software that can help detect pipeline deformation, temperature changes, and other factors that can lead to failure. By using FBG sensing technology, civil engineers can prevent pipeline failures and ensure the continuous and safe transportation of substances.

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