[Column] Foundations of Bridges: Types and Characteristics, Explanation of Their Usage Ratios
Explanation of the main types of bridge foundations: shallow foundations, pile foundations, and caisson foundations.
At the base of the abutments and piers, foundations are established to transfer the load of the bridge to the ground. The foundations are classified into three types based on their construction, each with distinct characteristics. This article explains the types and features of bridge foundations. Additionally, we have summarized the usage ratios of each foundation and their trends, so please use this information as knowledge about bridges. *For detailed content of the column, you can view it through the related links. For more information, please feel free to contact us.*
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CRETEC, a company under Crittec Industries, was born from the combination of Create (creation) and Technology. As a comprehensive manufacturer of bridge expansion devices, we continue to develop expansion devices that contribute to the longevity of bridges and environmental protection. Moreover, we do not stop at product manufacturing; by consistently handling everything from research, design, manufacturing, sales, to construction in-house, we can manufacture and install expansion devices that meet the requests of our clients and general contractors, as well as the conditions and environments of the bridges and roads on-site. We also take into account the issues that arise during the installation of expansion devices and the damage conditions of existing devices that are removed, using this information to improve and develop our products. Please feel free to contact us for inquiries about bridge expansion devices, requests for materials, or estimates. ◆ What is a bridge expansion device? It is a component installed in the gap between the bridge abutment and the bridge girder, or between bridge girders. When designing a bridge, it is necessary to create a gap to prevent the bridge girders from colliding due to expansion and contraction caused by temperature changes. The bridge expansion device is required to cover this gap and ensure safe passage for vehicles and pedestrians.