Luoyang Observation Standard Displacement and Settlement Observation Standard Railway Bridge and Tunnel Observation Standard Production Plant

Description :

　　Luoyang Observation Standard Displacement and Settlement Observation Standard Railway Bridge and Tunnel Observation Standard Production Plant

　　The settlement observation points for product application should be securely set up and properly protected to prevent damage during construction. Settlement observation points should generally be located at the following positions: 1. At the four corners, large corners, and 10-15 meters along the exterior wall of the building, or every 2-3 column bases; 2. On both sides of the intersection of high and low rise buildings, old and new buildings, and vertical and horizontal walls; 3. On both sides of building cracks and settlement joints, at locations where there is a significant difference in foundation burial depth, at the boundary between artificial and natural foundations, at the boundary between different structures, and at the boundary between filling and excavation; 4. Set points on each or part of the column foundation of the frame structure building or along the longitudinal and transverse axes; 5. At the four corners and middle positions of raft foundation, box foundation bottom plate or structural parts close to the foundation; 6. For buildings with a width greater than or equal to 15m and complex geology or expansive soil areas, interior wall points shall be set in the middle of the load-bearing interior partition wall, and ground points shall be set in the center and surrounding areas of the indoor floor; 7. Adjacent stacking of heavy objects, vibration foundations, heavy equipment and power equipment foundations, etc.

　　On January 16th, the day of "March 9th", the cold wind carried snowflakes flying in the sky. The construction site of Qiqihar Civil Aviation Road Overpass Bridge, one of the top 100 construction projects in Heilongjiang Province and a key livelihood project in Hecheng, was still busy. More than 10 construction technicians, dressed in cotton jackets and wearing safety helmets, gasped for breath and white mist, with crystal clear temples and eyebrows, conducted engineering safety inspections and monitoring operations in the wind and snow .....

　　The early completion and opening of the Qiqihar Civil Aviation Road Overpass Bridge is the fervent hope of the people of Hecheng. In the face of severe cold regions in China, where tonnage and large-span wide width concrete continuous box girder swivel bridges are required, there are high technical requirements, construction difficulties, and safety risks in the existing railway line swivel construction. The Civil Aviation Road Project Department of China Railway 23rd Bureau Group, which undertakes the construction task, has developed a detailed, scientific, and feasible construction plan based on the strong, responsible, and combat oriented style of central enterprises, and is fully committed to ensuring the achievement of the construction period goals at each node.

　　The cold winter wind and snowflakes dance, and the enthusiasm of the majority of builders remains undiminished. With their own tenacious perseverance and strong sense of responsibility, they shuttle through the construction site in the cold wind, vigorously inspect and monitor each item, and strictly control the safety and quality of the project before the winter break. As of the 16th, the Qiqihar Civil Aviation Road Overpass Bridge Project's 10000 ton wide cast-in-place concrete box girder swivel bridge has completed the support pouring, dismantling of the frame and formwork, winter safety support construction, and preparation work for various scheme approvals and procedures before the swivel construction at piers 7 and 8. The support system of the main bridge box girder has been removed, and the two pier box girders are supported by the central rotating pier column, maintaining a spectacular 80 meter cantilever posture on both sides to ensure the quality and safety of the beam during the winter, laying a solid foundation for the comprehensive resumption of construction after the Spring Festival.

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