Bridge expansion and contraction device - メーカー・企業11社の製品一覧とランキング | イプロス

更新日： 集計期間:Mar 25, 2026～Apr 21, 2026
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Bridge expansion and contraction deviceのメーカー・企業ランキング

更新日： 集計期間:Mar 25, 2026～Apr 21, 2026
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  1. クリテック工業 本社、大阪営業所、福岡営業所 Tokyo//Building materials, supplies and fixtures manufacturers
  2. 新日本構研 石狩センター Hokkaido//Other construction industries
  3. リノブリッジ 東京本社 Tokyo//Building materials, supplies and fixtures manufacturers
  4. 4 新潟ボンド工業 Niigata//Other construction industries
  5. 5 ショーボンド建設 本社 Tokyo//Building materials, supplies and fixtures manufacturers
企業ランキングへ

Bridge expansion and contraction deviceの製品ランキング

更新日： 集計期間:Mar 25, 2026～Apr 21, 2026
※当サイトの各ページの閲覧回数を元に算出したランキングです。

  1. [Column] Structure of Bridges: Explanation of the Names and Roles of Each Component, and Types of Bridges クリテック工業 本社、大阪営業所、福岡営業所
  2. Bridge expansion device "Super Lead iG Joint" 新日本構研 石狩センター
  3. What should be recorded about the shape of the expansion and contraction device? クリテック工業 本社、大阪営業所、福岡営業所
  4. [Column] Construction Methods for Expansion Devices | Basic Procedures and Precautions for New Installations クリテック工業 本社、大阪営業所、福岡営業所
  5. 4 [Column] Replacement of Expansion Devices: Explanation of the Procedure and Three Important Points to Note クリテック工業 本社、大阪営業所、福岡営業所

Bridge expansion and contraction deviceの製品一覧

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What is a bridge expansion device? Features of hybrid joints (Free materials available)

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 - 8 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 provide expansion gaps to prevent the bridge girders from colliding with the bridge abutments or with each other due to thermal expansion and contraction caused by temperature changes. 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 to only fulfill that requirement. Consideration must also be given to the safe passage of vehicles and economic aspects, with specific functions including the following: 【Functions Generally Required of Expansion Devices】 - No noise during travel - No impact during travel - Long-term usability - No leakage under the girder - Simple construction - Easy and low-cost 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 construction - Replaceable - Economical

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  • Foundation construction
  • Bridge expansion and contraction device

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Expansion Device 【Hybrid Joint】 Construction Example Wakayama Prefecture

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.

  • Bridge Materials
  • Bridge expansion and contraction device

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Expansion Device Hybrid Joint [Construction Example, Ibaraki Prefecture]

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.

  • Joints between components
  • Bridge expansion and contraction device

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Expansion Device Hybrid Joint [Construction Example, Kyoto Prefecture]

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.

  • Joints between components
  • Bridge expansion and contraction device

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Expansion Device Hybrid Joint [Construction Example Kanagawa Prefecture]

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.

  • Joints between components
  • Bridge expansion and contraction device

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Expansion Device Hybrid Joint [Construction Example Ehime Prefecture]

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.

  • Joints between components
  • Bridge expansion and contraction device

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Expansion Device Hybrid Joint [Construction Example, Miyazaki Prefecture]

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.

  • Joints between components
  • Bridge expansion and contraction device

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Expansion Device Hybrid Joint [Construction Example, Mie Prefecture]

Expansion Device Hybrid Joint [Construction Example, Mie Prefecture]

We would like to introduce a case study of the hybrid joint (CS 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 damage conditions of the removed existing expansion devices. 【Construction Examples】 ○ Construction Location: Mie Prefecture ○ Bridge Name: Kumikawahara Bridge ○ Product: CS-50 and others ○ Comment: This is the installation of the CS-50, which is a steel deck type. For more details, please contact us or request a catalog.

  • Joints between components
  • Bridge expansion and contraction device

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Checkpoints when installing expansion devices on steel floor slabs!

Checkpoints when installing expansion devices on steel floor slabs!

We will introduce in detail the points to be careful about when replacing the expansion device!

Have you ever had the experience of thinking about replacing an expansion device only to find that the bridge type was a steel deck? Steel decks have the advantages of being lighter in weight, having a lower structural height, and significantly shortening on-site construction time. However, there are points to be cautious about when replacing expansion devices. Expansion Device Navi provides detailed check points for installing expansion devices on steel decks. For more details, please refer to the related link page. [Contents] ■ Differences between steel decks and other types of decks ■ Expansion devices installed on steel decks ■ Methods for securing expansion devices to steel decks ■ Typical expansion devices ■ Summary *For more information, please refer to the related link page or feel free to contact us.

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  • Manufacturing Equipment
  • others
  • Bridge expansion and contraction device

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Know the accessories of the expansion device - Rebar Edition -

Know the accessories of the expansion device - Rebar Edition -

We will use high adhesion strength deformed rebar! A detailed introduction to the accessory "rebar" of the expansion device.

Did you know that there are actually various materials used for the installation of expansion devices? This time, I will introduce the accessory "rebar" for expansion devices, which is not often discussed. For more details, please refer to the related link page. [Contents] ■ How is the expansion device fixed? *For more details, please refer to the related link page or feel free to contact us.

  • Manufacturing Equipment
  • others
  • Bridge expansion and contraction device

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【Expansion Device】Ground Treatment of Expansion Devices - An Unexpected Pitfall!

【Expansion Device】Ground Treatment of Expansion Devices - An Unexpected Pitfall!

The water resistance greatly varies depending on the ground cover! A detailed explanation of the shapes and types of ground cover!

In the construction work for the ground cover section that needs to be done at both ends of the expansion joint, aesthetics tend to be emphasized, but the treatment of the ground cover section of the expansion joint is also a part that prevents the deterioration and leakage of the bridge. Since it doesn't appear much in cost estimation, many people may not have been very aware of it until now. At Expansion Joint Navi, we will explain about expansion joints and ground cover treatment. For more details, please refer to the related links. [Contents] ■ Ground cover treatment from the perspective of water stopping ■ Cover plates and their performance ■ Shapes and types of ground cover ■ Summary *For more details, please check the related link page or feel free to contact us.

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  • Manufacturing Equipment
  • others
  • Bridge expansion and contraction device

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Hybrid Joint Automatic Selection Tool <Free Materials Provided>

Hybrid Joint Automatic Selection Tool <Free Materials Provided>

Once you enter everything, the selection results will be displayed automatically! We are introducing how to use it!

The expansion and contraction device can be selected based on "expansion and contraction amount" and "play," but it is difficult to search for each one in the catalog. Therefore, we have created a tool that allows you to easily select products by inputting the "expansion and contraction amount" and "play" for the location where you want to install the expansion and contraction device. This document introduces how to use the 'Hybrid Joint Automatic Selection Tool.' Please make use of it. [Contents] ■ What is the automatic selection tool? ■ How to use the automatic selection tool *For more details, please refer to the PDF document or feel free to contact us.

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  • Other Software
  • Bridge expansion and contraction device

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Comparison of Various Companies "Quick Reference Chart for Expansion and Contraction Devices" <Free Material Provided>

Comparison of Various Companies "Quick Reference Chart for Expansion and Contraction Devices" <Free Material Provided>

You can easily see what products each manufacturer offers! It's recommended for those who want to compare multiple products.

"Expansion Device Navi" is a comprehensive guide for those troubled by bridge expansion devices. It is useful for both newcomers who are unsure about the types of expansion devices available and veterans seeking specialized knowledge, such as wanting to know repair procedures or comparing multiple manufacturers. This document, "Quick Reference Table of Expansion Device Lineup," introduces the allowable expansion ranges of major products from various manufacturers. It includes a "Comparison Table of Expansion Device Manufacturers" and "Overview of Each Manufacturer." It is recommended for those considering expansion devices for the first time, those wanting to compare multiple products, and those interested in knowing the range of products offered by each manufacturer. Please take a look. [Contents (Excerpt)] ■ Comparison Table of Expansion Device Manufacturers - Comparison Table of Expansion Device Manufacturers 1 - Comparison Table of Expansion Device Manufacturers 2 - Matrix Table of Expansion Device Manufacturers *For more details, please refer to the PDF document or feel free to contact us. "Expansion Device Navi" is operated by Crittec Industrial Co., Ltd.

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  • Joints between components
  • Bridge expansion and contraction device

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[Column] Three Types of Expansion Devices: Explanation of Features and Selection by Category

[Column] Three Types of Expansion Devices: Explanation of Features and Selection by Category

Introducing the types of expansion devices and explaining their features and benefits!

Expansion devices can be broadly divided into three types: by structure, by material, and by function. Each device has different characteristics, such as high shock absorption and ease of maintenance. Therefore, it is very important to understand the merits of each device in order to choose one that fits the environment of the bridge or road where it will be installed. This article introduces the types of expansion devices and explains their characteristics and advantages. By reading the article, you can get a general idea of what types of devices are available. *For detailed content of the column, please refer to the related links. For more information, feel free to contact us.*

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  • Manufacturing Equipment
  • Bridge expansion and contraction device

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[Column] Structure of Bridges: Explanation of the Names and Roles of Each Component, and Types of Bridges

[Column] Structure of Bridges: Explanation of the Names and Roles of Each Component, and Types of Bridges

Explaining the structure of bridges and the names and roles of each component! Introducing types of bridges categorized by structure and materials.

A bridge is a structure built over rivers, valleys, seas, and roads, designed to provide a transportation route across to the opposite bank. Bridges have a long history of development alongside humanity, and today there are various types. Additionally, the characteristics of these bridges differ based on their structures, so construction must be tailored to the environment in which the bridge is installed. This article explains the structures and types of bridges. *For more detailed information, please refer to the related links. Feel free to contact us for further inquiries.*

  • Manufacturing Equipment
  • Bridge expansion and contraction device

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[Column] Construction Methods for Expansion Devices | Basic Procedures and Precautions for New Installations

[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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  • Bridge Materials
  • Bridge Construction
  • Bridge expansion and contraction device

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Notice of Participation in the "Highway Techno Fair 2025"

Notice of Participation in the "Highway Techno Fair 2025"

The hybrid joint with a wide range of lineup has reached a cumulative adoption of approximately 20,000 locations! Durability proven for 100 years.

Crittec Industries, Inc. will be exhibiting at the "Highway Tech Fair 2025" held at Tokyo Big Sight. This event is one of Japan's largest infrastructure technology exhibitions, gathering advanced technologies and products related to the construction and management of highways. We plan to showcase the features, performance, design philosophy, and eight reasons why our "Hybrid Joint 3L II," which has demonstrated a durability of 100 years, is chosen. We sincerely look forward to your visit. 【Event Overview】 ■ Date and Time - In-person Exhibition: October 16 (Thursday) and 17 (Friday), 2025, 10:00 AM to 5:00 PM - Online Exhibition: October 9 (Thursday) 10:00 AM to November 6 (Thursday) 11:59 PM, 2025 ■ Venue: Tokyo Big Sight, East Halls 7 and 8 ■ Booth Number: P-003 ■ Admission Fee: Free (Pre-registration required) *For more details, please refer to the related links or feel free to contact us.

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  • Expansion joint hardware
  • Bridge Materials
  • Bridge expansion and contraction device

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Bridge expansion device "N-FC Finger Joint"

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.

  • Bridge Materials
  • Bridge Construction
  • Bridge expansion and contraction device

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Integrated Method for Expansion Devices and Deck Waterproofing for Small-Scale Bridges <NETIS>

Integrated Method for Expansion Devices and Deck Waterproofing for Small-Scale Bridges <NETIS>

We support various repair design services 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 a reduction in construction time ■ Passed performance verification tests for 15 years *For more details, please contact us or download the PDF to view.

  • Renovation and repair methods
  • Bridge Materials
  • Bridge 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.

"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.

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

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"Integrated construction method for expansion devices and floor slab waterproofing" *Construction example: Gifu Prefecture - 1

"Integrated construction method for expansion devices and floor slab waterproofing" *Construction example: Gifu Prefecture - 1

Improving cost-effectiveness in small bridges under 20 meters.

- Construction Case - - Location: Gifu Prefecture - Client: Gifu City - Construction Date: February 2017 - Photo: Insertion of backup material into the play area *For more details, please contact us or download the PDF to view.

  • Renovation and repair methods
  • Civil Engineering Method
  • Bridge Construction
  • Bridge expansion and contraction device

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"Integrated Method for Expansion Devices and Waterproofing of Floor Slabs" *Construction Example: Aichi Prefecture - 1

"Integrated Method for Expansion Devices and Waterproofing of Floor Slabs" *Construction Example: Aichi Prefecture - 1

We support various repair design services for "small-scale bridges."

- Construction Case - - Location: Aichi Prefecture - Client: Kariya City - Construction Date: November 2018 - Photo: Ground Cover End Treatment *For more details, please contact us or download the PDF to view.

  • Bridge Materials
  • Structural Survey
  • Waterproofing Agent
  • Bridge expansion and contraction device

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Bridge expansion device "MM-JOINT・DSII type"

Bridge expansion device "MM-JOINT・DSII type"

The construction time is short due to the simple structure! A joint that does not damage the floor slab.

The "MM-JOINT・DSII type" is a simple and highly durable bridge expansion joint composed of a special binder, DS aggregate as the main material, secondary water stop devices, gap plates, and pins. Since it is an asphalt-based expansion joint similar to the existing coating, it provides a comfortable experience during passage, suppressing noise and vibration for good drivability. Compared to conventional butt joints, the construction cost is lower, and partial repairs with the same material can be easily performed regardless of the extent of damage, resulting in significantly reduced running costs. 【Features】 ■ Excellent economy and durability ■ Comfortable drivability ■ High waterproofing performance ■ Easy construction *For more details, please refer to the PDF document or feel free to contact us.

  • Bridge Materials
  • Bridge expansion and contraction device

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Bridge expansion device "Brof Joint CDx type"

Bridge expansion device "Brof Joint CDx type"

Upgraded telescopic device for anti-grader use!

The "Brof Joint CDx Type" is an expansion device for bridges used in various types of bridges, long-span bridges, and cable-stayed bridges. By making the gap in the faceplate a wave structure, vehicle movement becomes smoother and noise during passage is reduced. Additionally, the running surface is made of steel and has a simple structure, which provides excellent durability. 【Features】 ■ Mobility ■ Durability ■ Water resistance ■ Ease of construction ■ Snow area measures *For more details, please download the PDF or feel free to contact us.

  • Bridge Materials
  • Reinforcement and repair materials
  • Bridge expansion and contraction device

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Marking Service

Marking Service

Redraw the lane markings so that the route is clear! For a road that is easier for drivers to navigate.

We would like to introduce the lane markings developed by Hanshin Road Development Co., Ltd. On road surfaces that have aged and have poor drainage, or where unevenness has developed, the behavior of vehicles can suddenly become erratic, which is very dangerous. By repaving the road to allow drivers to operate without stress and by repainting the lane markings to clearly indicate the path, we can create roads that are easy to use for both drivers and pedestrians. 【Other Services Offered】 ■ Bridge repair work ■ Road sign installation ■ Guardrail installation ■ Sound barrier construction *For more details, please refer to the PDF document or feel free to contact us.

  • Paving of sidewalks, roads, parking lots and stadiums
  • Renovation and repair methods
  • Bridge expansion and contraction device

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Bridge expansion device "Brof Joint SWx type"

Bridge expansion device "Brof Joint SWx type"

Durable and easy to install! Standard type secondary water stop structure for bridge expansion devices.

The "Brof Joint SWx Type" is a metal-top non-drainage expansion device that enhances performance in terms of mobility, low noise, durability, and water-tightness. By using a wave structure for the gap in the faceplate, vehicle movement becomes smoother, and noise during passage can be reduced. The primary water-tight structure using elastic sealing material and the secondary water-tight structure using rubber packing ensure superior water-tightness. 【Features】 ■ Mobility and low noise ■ Durability ■ Water-tightness ■ Ease of installation *For more details, please refer to the PDF document or feel free to contact us.

  • Bridge Materials
  • Bridge Construction
  • Bridge expansion and contraction device

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Let's use the design criteria to find the most suitable company among 13 manufacturers of expansion devices!

Let's use the design criteria to find the most suitable company among 13 manufacturers of expansion devices!

13 Selected Expansion Device Manufacturers! Let's use the design criteria to find the best company from the list of expansion device manufacturers!

There are various types and shapes of expansion devices, but many people may think, "I don't know which product to choose based on the design conditions" or "They all seem similar." At Expansion Device Navi, we introduce 13 manufacturers of expansion devices, allowing you to select the most suitable one based on your design conditions. For more details, please visit the related link page. [Contents] ■ Features of each manufacturer *For more information, please refer to the related link page or feel free to contact us.

  • Manufacturing Equipment
  • Bridge expansion and contraction device

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Selection of the expansion device is perfect with this! Easy 3-step selection method.

Selection of the expansion device is perfect with this! Easy 3-step selection method.

Select the appropriate product based on the "expansion amount" and the "standard clearance amount" in the drawing! Introducing the method for selecting expansion devices.

Even though they are called expansion devices for bridges, their shapes, materials, and functions are highly diverse. They may all look the same, but it is essential to choose an expansion device that suits the bridge in terms of maintenance and functionality. In Expansion Device Navi, we introduce "The Perfect Method! A Simple 3-Step Guide to Selecting Expansion Devices." For more details, please refer to the related link page. [Contents] ■ Preparations before calculations ■ Let's try calculating! ■ Summary *For more information, please check the related link page or feel free to contact us.

  • Manufacturing Equipment
  • Bridge expansion and contraction device

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