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Practical application techniques of soil pressure sensors in subway tunnel shield construction
Published Time:
2024-10-14 11:52
Source:
In subway tunnel shield construction, soil pressure sensors play a crucial role. They can monitor the soil pressure in the soil chamber in real time, providing key data support for construction personnel to ensure safe and efficient construction. In practical applications, mastering some practical usage skills can fully utilize soil pressure sensors performance and improve construction quality.
First, high-quality and reliable soil pressure sensors should be selected, such as our brand eletta. eletta soil pressure sensors, with their precise measurement, stable performance and excellent durability, have become the first choice for many subway tunnel shield constructions. Before installation, the sensor needs to be strictly calibrated and tested to ensure the accuracy of its measurement data. The calibration process should follow relevant standards and specifications, use professional calibration equipment, and be operated by experienced technicians.
When installing soil pressure sensors, the choice of location is crucial. Generally, the sensor should be installed in a position in the soil chamber that can represent the average soil pressure, usually near the cutterhead of the shield machine. The installation process must strictly follow the operating manual to ensure that the sensor is tightly connected to the surrounding structure, avoiding loosening or leakage. At the same time, pay attention to protecting the sensor cables to avoid damage during construction.
During shield construction, correctly interpreting the data from the soil pressure sensor is key. Construction personnel need to understand the normal range of soil pressure under different geological conditions and be able to judge the change trend of soil pressure in the soil chamber based on real-time data. When abnormal fluctuations in soil pressure occur, measures should be taken to adjust in time. For example, if the soil pressure is too high, it may lead to difficulties in shield machine advancement, ground uplift, etc.; while if the soil pressure is too low, it may cause ground subsidence, tunnel collapse, and other dangers. Through the accurate data provided by the eletta soil pressure sensor, construction personnel can adjust the advancement speed and excavation volume of the shield machine in time to maintain the balance of soil pressure in the soil chamber.
To ensure the long-term stable operation of the soil pressure sensor, regular maintenance is essential. During construction breaks, the sensor should be cleaned, and its appearance should be checked for damage or corrosion. At the same time, the measurement accuracy of the sensor should be regularly verified, and if any deviation is found, it should be adjusted or replaced in time. In addition, the connection of the sensor cables should be checked to avoid data transmission interruption due to poor contact.
Under complex geological conditions, a single soil pressure sensor may not be able to fully meet the construction needs. In this case, multiple soil pressure sensors can be used for distributed measurement to obtain more comprehensive and accurate soil pressure information. eletta brand soil pressure sensors have good compatibility and scalability, and can easily form a sensor network to achieve multi-point measurement and data fusion. Through the comprehensive analysis of data from multiple measurement points, the distribution of soil pressure in the soil chamber can be more accurately grasped, providing stronger support for construction decision-making.
In addition, integrating the data of soil pressure sensors with other monitoring equipment is also an important means of improving construction efficiency. For example, soil pressure data can be combined with shield machine attitude monitoring data, ground settlement monitoring data, etc., to comprehensively evaluate the impact of construction on the surrounding environment, adjust construction strategies in time, and reduce construction risks.
In actual construction, a complete data management system should also be established to timely store, analyze, and process the data collected by the soil pressure sensor. By reviewing and summarizing historical data, the laws and problems in construction can be found, providing valuable experience and lessons for subsequent construction. At the same time, the data management system can also realize remote transmission and sharing of data, facilitating real-time monitoring and decision-making by technicians in different locations.
In summary, in subway tunnel shield construction, the practical application techniques of soil pressure sensors cover all aspects from selection, installation, data interpretation, maintenance to data management. Only by fully mastering these techniques and combining advanced technologies and equipment, such as eletta soil pressure sensors, can we ensure safe and efficient construction and make greater contributions to urban subway construction.
Company Address:
602A, Block A, IFC Tower, No. 8A, Jianguomen Waidajie, Beijing 100022, China
Telephone:010-67189590
Fax:010-67181620
Email:eletta@eletta.cn
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