クリテック工業 本社、大阪営業所、福岡営業所 Official site

Check before installing the expansion device! What is 'pre-compression' of the expansion device?

Detailed information on "the purpose of preliminary compression," "calculation methods," and "unnecessary cases" is provided!

Before installing the expansion joint, in many cases, the manufacturer calculates and sets the width for installation. Depending on the manufacturer, this may be referred to as "pre-compression" or "installation adjustment." What is the purpose of this? Expansion Joint Navi explains the purpose and calculation details. For more information, please refer to the related link. 【Contents】 ■ Purpose of pre-compression ■ Calculation method for pre-compression ■ Cases where pre-compression is unnecessary ■ Summary * For more details, please check the related link page or feel free to contact us.

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basic information

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Distributors

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.

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