Bridge demolition using blasting. By toppling tall bridge piers, it connects to a safe mechanical dismantling process on the ground.
A bridge spanning National Route 417 in Ibigawa Town, Ibi District, Gifu Prefecture. Following the collapse of the steel girder bridge in the superstructure, blasting methods were also adopted for the dismantling of the bridge pier in the substructure. - Structure: Reinforced concrete (thickness 40 cm, hollow cross-section) - External dimensions: 9 m × 4 m × height 21.6 m By blasting and crushing the base of the bridge pier into a wedge shape, the pier is made to topple onto the work floor, facilitating a safe mechanical dismantling process on the ground. [Features] - No need for large heavy machinery with long booms - The shape after toppling is relatively stable, allowing for smooth subsequent mechanical dismantling - Improved safety, reduced construction time, and cost savings are anticipated - Cracks in the concrete occur due to the impact during toppling, aiding in the subsequent mechanical dismantling *For more details, please refer to the PDF document or feel free to contact us.
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Since its establishment, our company has consistently contributed to various types of demolition and renovation work, primarily focusing on the dismantling of explosives. In the renovation of blast furnaces at steel mills, we efficiently dismantle extremely hard residual slag, which poses challenges due to high temperatures, using our unique blasting technology. We have received high praise from clients regarding the project duration and safety. Additionally, in urban areas, we are actively working with our affiliated company, China Chemical & Pharmaceutical Co., Ltd., to research new explosive materials to enable safe and effective blasting operations, as well as to promote their use.
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