Bridge expansion and contraction device(nexco) - List of Manufacturers, Suppliers, Companies and Products

Expansion Device 【Hybrid Joint】 Construction Example Osaka Prefecture

We would like to introduce a case study of the hybrid joint (CF type) for bridge expansion devices, which excels in water resistance and durability.

Crittec Industries Co., Ltd. not only sells products but often takes responsibility for installation work as well. We strive to improve our products by considering the issues that arise during installation and the damage conditions of the removed existing expansion devices. 【Construction Case】 ○ Construction Location: Osaka Prefecture ○ Bridge Name: Dainichi Elevated Bridge ○ Product: CF-80 and others ○ Comment: This is the installation of the NEXCO specification CF-80 type. One of its features is that it has a larger applicable gap compared to products from other manufacturers. For more details, please contact us or request a catalog.

Company：クリテック工業本社、大阪営業所
Price：Other

Bridge Materials
Bridge expansion and contraction device

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Expansion Device Hybrid Joint [Construction Example, Iwate Prefecture]

We would like to introduce a case study of the hybrid joint (CF type) for bridge expansion devices, which excels in water resistance and durability.

Crittec Co., Ltd. not only sells products but often takes responsibility for installation work as well. We strive to improve our products by considering the issues that arise during installation and the condition of the removed existing expansion devices. 【Construction Examples】 ○ Construction Location: Iwate Prefecture ○ Bridge Name: Kamishibukawa Bridge ○ Products: CF-80 and others ○ Comments: This is the installation of the NEXCO specification CF-30 type. We adopted a product with a guide plate type as a countermeasure against graders. For more details, please contact us or request a catalog.

Company：クリテック工業本社、大阪営業所
Price：Other

Joints between components
Bridge expansion and contraction device

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Expansion Device Hybrid Joint [Construction Example, Kyoto Prefecture]

We would like to introduce a case study of the hybrid joint (CF type) for bridge expansion devices, which excels in water resistance and durability.

Crittec Industries Co., Ltd. not only sells products but often takes full responsibility for installation work as well. We strive to improve our products by considering the issues that arise during installation and the condition of the removed existing expansion devices. 【Construction Example】 ○ Location: Kyoto Prefecture ○ Bridge Name: Asahi Elevated Bridge ○ Product: CF-80 and others ○ Comment: This is the installation of the NEXCO specification CF-80 type. The work was carried out with a complete road closure during concentrated construction. Measures were taken, such as preparing a tent, due to the forecast of rain. For more details, please contact us or request a catalog.

Company：クリテック工業本社、大阪営業所
Price：Other

Joints between components
Bridge expansion and contraction device

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Bridge Expansion Device Hybrid Joint <Free Materials Available>

Supports various types of bridges, with numerous achievements nationwide! High water resistance, long-term durability of 50 years, and easy installation.

The "Hybrid Joint" is a high-performance waterproof structure for bridge expansion devices, made by press vulcanizing and bonding rubber and steel. Due to its small surface exposure, it reduces impact during vehicle passage and prevents slipping even in rain or snow. The vertical structure of the load-bearing support prevents damage from metal fatigue, achieving a long-term durability of 50 years and maintenance-free operation. 【Features】 ■ Compatible with various types of bridges, including steel bridges, PC bridges, RC bridges, cable-stayed bridges, and curved bridges. ■ Can be installed with a 4-ton crane truck, allowing for safe and easy construction in a short time. ■ Can be replaced in short lengths for each lane. ■ Widely adopted by public organizations across the country, including the Ministry of Land, Infrastructure, Transport and Tourism, NEXCO, urban expressways, and local governments. *Currently, we are offering a product catalog for download. Please take a look.

Company：クリテック工業本社、大阪営業所
Price：Other

Bridge Materials
Bridge expansion and contraction device

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Examples of Installation of Expansion Devices | Keiji Bypass / Keihan Overpass [Crittec Industries]

Continuous adoption on Meishin Expressway and Keiji Bypass. A large expansion joint with a proven durability of 100 years【Hybrid Joint Type 3LII】.

We would like to introduce a case study of the hybrid joint (3LII type) for bridge expansion devices, which excels in water resistance and durability. 【Case Study 1】 - Location: Kyoto Prefecture (Keiji Bypass, Keihan Overpass) - Client: Kyoto Expressway Office - Project Name: FY 2023 Replacement Work for Expansion Devices within the Jurisdiction of Kyoto Expressway Office - Construction Period: September 2024 - Product: Hybrid Joint 3LII-350 【Case Study 2】 - Location: Kyoto Prefecture (Keiji Bypass, Keihan Overpass) - Client: Kyoto Expressway Office - Project Name: FY 2023 Replacement Work for Expansion Devices within the Jurisdiction of Kyoto Expressway Office - Construction Period: November 2025 - Products: Hybrid Joint 3LII-150, 3LII-160 - Comment: The high evaluation of the construction results in 2024 led to continued adoption for the following year's project. The replacement with product joints has achieved water resistance, durability, and low noise. The standard specifications of non-drainage structure and secondary water stop materials have significantly reduced the risk of leakage under the girders. For more details, please contact us or request a catalog.

Company：クリテック工業本社、大阪営業所
Price：Other

Bridge Construction
Road construction
Bridge expansion and contraction device

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Bridge expansion device "N-FC Finger Joint"

A structure designed with consideration for workability during regular inspections from below the bridge and when replacing water-stopping materials after it has been put into service!

The "N-FC Finger Joint" is a bridge expansion device that protects the water-stopping material, which is essential for non-drainage functionality, and prevents early deterioration of bridge girder ends in snowy and cold regions. By adding a fin cover to the underside of the face plate and narrowing the gaps of the comb teeth, the proportion of soil, snow, and ice that enters the gaps and reaches the water-stopping material can be reduced to below 15% even at the lowest temperatures (-20°C), thereby preventing the deterioration of the water-stopping material. Additionally, by using water-stopping materials that have passed tests based on NEXCO's construction management guidelines for structures, water-stopping performance is ensured. 【Features】 ■ Added fin cover to the underside of the face plate to narrow the gaps of the comb teeth ■ Resists constant wheel loads with only the face plate ■ Confirmed fatigue durability of over 50 years through fatigue tests using full-scale specimens ■ Utilizes water-stopping materials that have passed tests based on NEXCO's construction management guidelines for structures ■ Dry water-stopping materials, support brackets, and water-stopping rubber are designed to be detachable from below the girder *For more details, please refer to the PDF document or feel free to contact us.

Company：日本ファブテック
Price：Other

Bridge Materials
Bridge Construction
Bridge expansion and contraction device

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Expansion Device 【Hybrid Joint】 Construction Example Shizuoka Prefecture

We would like to introduce a case study of the hybrid joint (CF type) for bridge expansion devices, which excels in water resistance and durability.

Critic Co., Ltd. not only sells products but often takes responsibility for installation work as well. We strive to improve our products by considering the issues that arise during installation and the damage conditions of the existing expansion devices that are removed. 【Construction Case】 ○ Location: Shizuoka Prefecture ○ Bridge Name: Mabushigawa Bridge ○ Product: CF-80 and others ○ Comment: This was a replacement work for expansion devices during the slab thickening construction. We paid particular attention to the scattering of sparks during welding.

Company：クリテック工業本社、大阪営業所
Price：Other

Bridge Materials
Bridge expansion and contraction device

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[Column] What is a Hybrid Joint? Introducing 7 Features and Product Examples

Introducing features and product examples with photos! Please use this as a reference when choosing a telescopic device.

The hybrid joint is an expansion device manufactured by our company. Expansion devices vary in performance and flexibility depending on their type, so it is necessary to choose one based on the bridge or road where it will be installed. However, the hybrid joint can be used in any location and has high durability, allowing for long-term use. In this article, we will introduce the features of the hybrid joint and provide examples of the product with accompanying photos. Please use this as a reference when selecting an expansion device. *For more detailed information, please refer to the related links. Feel free to contact us for further inquiries.

Company：クリテック工業本社、大阪営業所
Price：Other

Manufacturing Equipment
Bridge expansion and contraction device

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Expansion Device Hybrid Joint [Construction Example, Ibaraki Prefecture]

We will introduce examples of the construction of hybrid joints (NS to LL type) for bridges, which excel in water resistance and durability.

Crittec Industries Co., Ltd. not only sells products but often takes full responsibility for installation work as well. We strive to improve our products by considering the issues that arise during installation and the condition of the removed existing expansion devices. 【Construction Example】 - Construction Location: Ibaraki Prefecture - Bridge Name: Fujimi Bridge - Product: L-60 and others - Comment: We also made calls for the safety of nearby residents and pedestrians. For more details, please contact us or request a catalog.

Company：クリテック工業本社、大阪営業所
Price：Other

Joints between components
Bridge expansion and contraction device

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Expansion Device Hybrid Joint [Construction Example, Miyazaki Prefecture]

We will introduce examples of the construction of hybrid joints (NS to LL type) for bridges, which excel in water resistance and durability.

Crittec Industrial Co., Ltd. not only sells products but often takes responsibility for installation work as well. We strive to improve our products by considering issues that arise during installation and the condition of existing expansion devices that are removed. 【Construction Example】 - Location: Miyazaki Prefecture - Bridge Name: Yamazumi Koyagawa Bridge - Product: LL-125 - Comment: This is a new construction project. Care was taken to ensure that the surface coloring material was applied evenly. For more details, please contact us or request a catalog.

Company：クリテック工業本社、大阪営業所
Price：Other

Joints between components
Bridge expansion and contraction device

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Expansion Device 【Hybrid Joint】 Construction Example Aomori Prefecture

We would like to introduce a case study of the hybrid joint (3L type), a bridge expansion device that excels in water resistance and durability.

Crittec Co., Ltd. not only sells products but often takes responsibility for installation work as well. We strive to improve our products by considering the issues that arise during installation and the condition of the removed existing expansion devices. 【Construction Example】 ○ Location: Aomori Prefecture ○ Bridge Name: Nozomi Bridge ○ Product: 3L-250 ○ Comment: Since vehicles could not access the bridge, we performed the installation by lifting it with a crane from underneath the bridge. For more details, please contact us or request a catalog.

Company：クリテック工業本社、大阪営業所
Price：Other

Bridge Materials
Bridge expansion and contraction device

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Expansion Device 【Hybrid Joint】 Construction Example Gunma Prefecture

We would like to introduce examples of construction for hybrid joints (NS to LL type) for bridges, which excel in water resistance and durability.

Critic Industrial Co., Ltd. not only sells products but often takes responsibility for installation work as well. We strive to improve our products by considering the issues that arise during installation and the condition of the removed existing expansion devices. 【Construction Case】 ○ Location: Gunma Prefecture ○ Bridge Name: Sawarimori Bridge ○ Product: S-30 and others ○ Comments: Due to the narrow width, we conducted the work with a road closure. Additionally, we performed repairs as the concrete in the foundation area was deteriorated. For more details, please contact us or request a catalog.

Company：クリテック工業本社、大阪営業所
Price：Other

Bridge Materials
Bridge expansion and contraction device

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Expansion Device Hybrid Joint [Construction Example Saitama Prefecture]

We would like to introduce examples of construction for hybrid joints (NS to LL type) for bridges, which excel in water resistance and durability.

Critic Industrial Co., Ltd. not only sells products but often takes full responsibility for installation work as well. We strive to improve our products by considering the issues that arise during installation and the condition of the removed existing expansion devices. 【Construction Case】 ○ Location: Saitama Prefecture ○ Bridge Name: Nail-less Bridge Mounted Elevated Bridge ○ Product: S-50 and others ○ Comment: The noise issue of the existing expansion device was the reason for the replacement, so we paid special attention to the height and quality during installation. For more details, please contact us or request a catalog.

Company：クリテック工業本社、大阪営業所
Price：Other

Joints between components
Bridge expansion and contraction device

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Expansion Device Hybrid Joint [Construction Example, Chiba Prefecture]

We will introduce examples of the construction of hybrid joints (NS to LL type) for bridges, which excel in water resistance and durability.

Critic Industrial Co., Ltd. not only sells products but often takes responsibility for installation work as well. We strive to improve our products by considering the issues that arise during installation and the condition of the removed existing expansion devices. 【Construction Case】 ○ Location: Chiba Prefecture ○ Bridge Name: Heisei Bridge ○ Products: NS-20 and others ○ Comments: Due to the bridge's proximity to the coast, we conducted the work while confirming the corrosion of rebar and the deterioration of concrete caused by salt damage. For more details, please contact us or request a catalog.

Company：クリテック工業本社、大阪営業所
Price：Other

Joints between components
Bridge expansion and contraction device

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Expansion Device Hybrid Joint [Construction Example, Yamanashi Prefecture]

We will introduce examples of the construction of hybrid joints (NS to LL type) for bridges, which excel in water resistance and durability.

Critic Co., Ltd. not only sells products but often takes responsibility for installation work as well. We strive to improve our products by considering the issues that arise during installation and the condition of the removed existing expansion devices. 【Construction Case】 ○ Location: Yamanashi Prefecture ○ Bridge Name: Yamatani Bridge ○ Product: NS-20 and others ○ Comment: The site was in a peaceful mountainous area with almost no passing vehicles, allowing for safe execution. For more details, please contact us or request a catalog.

Company：クリテック工業本社、大阪営業所
Price：Other

Joints between components
Bridge expansion and contraction device

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Expansion Device Hybrid Joint [Construction Example Tochigi Prefecture]

We would like to introduce a case study of the hybrid joint (NS-LL type) for bridges, which excels in water resistance and durability.

Crittec Industries Co., Ltd. not only sells products but often takes responsibility for installation work as well. We strive to improve our products by considering the issues that arise during installation and the damage conditions of the removed existing expansion joints. 【Construction Example】 - Location: Tochigi Prefecture - Bridge Name: Koinuma Bridge - Product: NS-20 - Comment: Since the existing joint was of the slide type, we conducted thorough protection under the girder. For more details, please contact us or request a catalog.

Company：クリテック工業本社、大阪営業所
Price：Other

Joints between components
Bridge expansion and contraction device

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Expansion Device 【Hybrid Joint】 Construction Example Wakayama Prefecture

We would like to introduce a case study of the hybrid joint (Type 3L), a bridge expansion device that excels in water resistance and durability.

Crittec Co., Ltd. not only sells products but often takes full responsibility for installation work as well. We strive to improve our products by considering the issues that arise during installation and the damage conditions of the removed existing expansion devices. 【Construction Case】 ○ Location: Wakayama Prefecture ○ Bridge Name: Takasegawa Bridge ○ Product: 3L-400 ○ Comment: Due to the heavy weight of the product and the strong winds at the high-altitude site, we exercised utmost caution when lifting with a crane from below the girder and during installation. For more details, please contact us or request a catalog.

Company：クリテック工業本社、大阪営業所
Price：Other

Bridge Materials
Bridge expansion and contraction device

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Expansion Device Hybrid Joint [Construction Example Ehime Prefecture]

We would like to introduce a case study of the hybrid joint (3L type) for bridge expansion devices, which excels in water resistance and durability.

Crittec Co., Ltd. not only sells products but often takes responsibility for installation work as well. We strive to improve our products by considering issues that arise during installation and the condition of existing expansion devices that have been removed. 【Construction Case】 - Location: Ehime Prefecture - Bridge Name: Oshima Bridge - Product: 3L-300 - Comment: Since work had to stop when boats passed under the bridge, we conducted the installation with a supervisor present. It was impressive to see many cyclists stopping on the bridge to take photos of the scenery visible from there. For more details, please contact us or request a catalog.

Company：クリテック工業本社、大阪営業所
Price：Other

Joints between components
Bridge expansion and contraction device

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Expansion Device 【Hybrid Joint】 Construction Example Tokyo, Eitai Bridge

We would like to introduce a case study of the hybrid joint (NS to LL type) for bridge expansion devices, which excels in water resistance and durability.

Crittec Co., Ltd. not only sells products but often takes full responsibility for installation work as well. We strive to improve our products by considering the issues that arise during installation and the condition of the removed existing expansion devices. 【Construction Case】 ○ Location: Tokyo ○ Bridge Name: Eitai Bridge ○ Product: L-100 and others ○ Comment: Eitai Bridge is Japan's first iron bridge and was the first bridge to exceed a span length of 100 meters as a road bridge. Due to its historical significance, it was selected as one of the "First Civil Engineering Heritage" by the Japan Society of Civil Engineers in 2000, along with Kiyosu Bridge. Additionally, in 2007, it became the first road bridge designated as an Important Cultural Property (building) by the national government. For more details, please contact us or request a catalog.

Company：クリテック工業本社、大阪営業所
Price：Other

Bridge Materials
Bridge expansion and contraction device

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Expansion Device Hybrid Joint [Construction Example Kanagawa Prefecture]

We will introduce examples of the construction of hybrid joints (NS to LL type) for bridges, which excel in water resistance and durability.

Critic Co., Ltd. not only sells products but also often takes responsibility for installation work, striving to improve products by considering issues that arise during installation and the condition of damaged existing expansion joints that have been removed. 【Construction Case】 ○ Location: Kanagawa Prefecture ○ Bridge Name: Otake Bridge ○ Product: S-40 and others ○ Comments: The existing joint was of the slide type, and the replacement was carried out after painting and paving had already been completed. The thickness of the deck slab is approximately 200mm, so care was taken not to remove the slab during chipping and excavation, as well as during the installation of reinforcing anchors, and protective measures were taken to avoid damaging the pavement and paint. Additionally, since it is a living road used for commuting and walking, restrictions were implemented with the assistance of guides for partial regulation. For more details, please contact us or request a catalog.

Company：クリテック工業本社、大阪営業所
Price：Other

Joints between components
Bridge expansion and contraction device

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What is a bridge expansion device? Features of hybrid joints [Free materials available]

What is an expansion device? The roles and required functions in bridges and highways - The eight major features that hybrid joints fulfill.

A bridge expansion device is something that is installed in the gaps (expansion gaps) between the bridge abutment and the bridge girder, or between bridge girders. When designing a bridge, it is necessary to create expansion gaps to prevent the bridge girders from colliding with the bridge abutments or with each other due to thermal expansion and contraction. To cover these gaps and ensure safe passage for vehicles and pedestrians, a bridge expansion device is required. The role of the expansion device is to fill the gaps, but it is not sufficient for it to only fulfill that function. Consideration must be given to the safe passage of vehicles and economic aspects, and specifically, the following functions are highlighted: [Functions Generally Required of Expansion Devices] - No noise during travel - No impact during travel - Long-term usability - No leakage under the girder - Easy installation - Simple and cost-effective maintenance - Low cost of the device itself Our hybrid joint has eight major features that meet the required functions: - Compatible with small bridges to long-span bridges - Usable for all types of bridges - Ultra-low noise and comfortable travel - Long-term durability and maintenance-free - High water-tightness - Safe and easy installation - Replaceable - Economical

Company：クリテック工業本社、大阪営業所
Price：Other

Foundation construction
Bridge expansion and contraction device

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"Buried expansion device construction" and "coating system slab waterproofing work" in accordance with performance verification testing.

The NEXCO testing method complies with the testing guidelines for waterproofing of road bridge decks and meets the requirements for elasticity, water resistance, and durability suitable for small-scale bridges.

【Features】 ■ More than 15% reduction in construction costs compared to conventional methods ■ Can be easily constructed at room temperature, allowing for shortened construction periods ■ Passed performance verification tests for 15 years ※ This method is considered in conjunction with "expansion device installation work" and "deck waterproofing work." ※ For more details, please contact us or download the PDF to view.

Company：リノブリッジ東京本社
Price：Other

Coating film waterproofing material/permeable waterproofing material
Civil Engineering Company
Civil Engineering CAD
Bridge expansion and contraction device

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Expandable device Hybrid joint Durability 100 years 3LII type

A newly constructed bridge requires no replacement for 100 years! Long-term water resistance, maintenance-free.

In the longevity of bridges, the durability of expansion joints is a very important factor. Replacing expansion joints requires significant costs and traffic regulations, which can reduce the operational efficiency of bridges. The Hybrid Joint Type 3LII achieves a durability of 100 years, contributing to cost reduction and improved safety from a long-term perspective. 【Application Scenarios】 - New bridges - Repairs of existing bridges - Highways * For general roads, there is the "Hybrid Joint Type 3LIIA." 【Benefits of Implementation】 - Reduction in lifecycle costs due to no need for replacement for 100 years - Maintenance-free, eliminating the need for sound inspections and ultrasonic inspections, reducing maintenance costs - Decreased frequency of traffic regulations, mitigating traffic congestion and noise damage, and enhancing safety - Adoption of new technology through NETIS registration (No. KT-210067-A)