[Column] Construction Methods for Expansion Devices | Basic Procedures and Precautions for New Installations
Explaining the key points and precautions for each construction! Based on the installation of expansion devices, we will introduce the basic methods of construction.
The installation of expansion joints differs depending on whether they are newly installed or replacing existing ones. Additionally, whether the device is set up first or later, as well as the type of device being installed, also affects the process, making the steps surprisingly complex. In this article, I have summarized the basic methods of installation based on the new installation of expansion joints. I have also explained the key points and precautions for each installation, so you will have a solid understanding of the overview after reading it. *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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Company information
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.