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  3. クリテック工業 本社、大阪営業所、福岡営業所
  4. <Media Information> An article titled "Proving 100 Years of Durability" has been published in Bridge Communication.
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  • Mar 13, 2025
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Mar 13, 2025

<Media Information> An article titled "Proving 100 Years of Durability" has been published in Bridge Communication.

クリテック工業 クリテック工業 本社、大阪営業所、福岡営業所
The article "Proving 100 Years of Durability" was published in the March 1, 2025 issue of "Bridge Communication." *The full article is available in the related PDF document. Please download and read it. We encourage you to take a look!* <Excerpt from the article> Crittec Industries announced that its main product, the expansion joint "Hybrid Joint 3LII-500," has been proven to have a durability of 100 years through fatigue loading tests conducted by a third-party organization. The 3LII type meets NEXCO specifications. The load support plate and anchor plate are designed as a vertical integrated structure, providing high durability and preventing damage from metal fatigue. In October to November 2024, using a fatigue testing machine at the Construction Machinery Construction Association's Comprehensive Research Institute, a third-party organization, it cleared a maximum loading weight of 260 kN for 12 million cycles. This is based on the assumption that a 25-ton large vehicle ran over the 3LII-500 for 12 million times, equivalent to a 100-year durability. According to the "Road Bridge Design Guidelines," the standard design service life for bridges is 100 years. For newly constructed bridges, there is no need to replace the expansion joints for 100 years. The 3LII type is maintenance-free, eliminating the need for traffic restrictions for sound inspections, thereby reducing maintenance costs and improving safety.
Please refer to the PDF of the related materials for the full article.
Please refer to the PDF of the related materials for the full article.
Product advertisement published along with the article.
Product advertisement published along with the article.
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Related Documents

橋梁通信 2025年3月1日号 記事全文.pdf[3182013]

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Crittec Industries Website
Expansion Device Product Information
Crittec Industrial Website
An article titled "Proving 100-Year Durability through Fatigue Testing" published in the Bridge News.
Kritech Industries YouTube
A video of a fatigue load test proving a durability of 100 years has been released.

Related product

橋梁新聞_250101号_クリテック工業_広告_ol_イプロス用_1000-1000.jpg

Durability 100 years, expansion device, hybrid joint, 3LII type.

Bridge expansion device proven to last 100 years! No replacement needed for new bridges for 100 years! Long-term water-tightness, maintenance-free [NEXCO specification compliant product].

The Hybrid Joint 3LII type has a vertical integrated structure of the load support plate and anchor plate, which provides high durability and prevents damage from metal fatigue. Its durability is ultra-long-term, lasting 100 years! It has been proven through fatigue loading tests conducted by a third-party organization, successfully clearing the equivalent of 12 million cycles, which corresponds to 100 years. This assumes that a 25-ton large vehicle has traveled over the 3LII type 12 million times, equating to a 100-year durability. The standard design supply period for bridges is 100 years. For newly constructed bridges, there is no need to replace the expansion devices for 100 years. The 3LII type is maintenance-free, eliminating the need for traffic regulation during sound inspections, leading to reduced maintenance costs and improved safety. It is a product capable of accommodating large expansion amounts (150–350mm) and wide gaps (up to 730mm), making it one of the largest among expansion devices that have passed NEXCO standards. It has been widely adopted on highways across the country as a product that meets NEXCO specifications. For more details, please contact us or request a catalog.

  • Bridge Materials
  • Foundation construction

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RIMG0167.JPG

Expandable device "Hybrid Joint 3LIIA type (with guide plate)"

By shaping the steel plate into a guide plate type, it prevents damage to the main body of the grader due to expansion and contraction in snowy areas.

The Hybrid Joint 3LIIA type has a vertical integrated structure for the load support and anchor plate sections, making it highly durable with almost no damage from metal fatigue. By using steel plates vertically, the exposed areas are minimized, resulting in very low impact during operation and making the product less prone to noise and vibration. It is capable of accommodating large expansion and contraction (200–600mm) and wide gaps (up to 1230mm). 【Features】 ○ Supports large expansion and contraction and wide gaps ○ High watertightness due to double sealing structure ○ Long-term durability and maintenance-free For more details, please contact us or request a catalog.

  • Joints between components

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Related catalog(3)

Crittec Industrial NEXCO Specification Hybrid Joint Catalog

Crittec Industrial NEXCO Specification Hybrid Joint Catalog

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【Expansion Device】 Hybrid Joint <3LII Type> Catalog

【Expansion Device】 Hybrid Joint <3LII Type> Catalog

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【Expansion Device】 Hybrid Joint Comprehensive Catalog

【Expansion Device】 Hybrid Joint Comprehensive Catalog

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Turning your dreams into reality...

Notice of Participation in the 10th CareTEX Osaka '25 from Wednesday, October 15, 2025, to Friday, October 17, 2025.

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NSET Corporation will be exhibiting at the 10th CareTEX Osaka '25, which will be held during Osaka Care Week '25 at Intex Osaka. This exhibition is one of the largest in Western Japan, gathering equipment, supplies, and services for nursing facilities all in one place, making it a professional exhibition. You can view products while selecting them and have business discussions with exhibitors. If you are in the area, we invite you to experience it for yourself. All of our staff are looking forward to your visit.

Sep 05, 2025

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Can you achieve success by spending 'an enormous amount of time'!? The '10,000 Hour Rule'

SBS Marketing Co., Ltd. "Can you achieve success by spending a vast amount of time!? The '10,000 Hour Rule'"

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Based on practical experience in support companies and business companies, SBS Marketing Co., Ltd. provides consulting services related to marketing, sales promotion, and customer acquisition mainly in the BtoB (business-to-business) sector. On September 2, 2025 (Tuesday), they published a page titled "Can You Achieve Success by Spending 'A Vast Amount of Time'!? The '10,000-Hour Rule'." The "10,000-Hour Rule" suggests that to become a "top expert" or "professional" in a specific field, one needs to practice or refine their skills for "10,000 hours." The page explains the research that supports this rule, examples of great individuals, various counterarguments to this rule, and methods for accumulating effort to "become a top expert" or "become a professional." (Page Overview: Excerpts) ■ What is the "10,000-Hour Rule"? ■ What is the research that discovered the rule? ■ Counterarguments to the "10,000-Hour Rule" ■ What are the methods to "become a top expert" or "become a professional"? (DL content only) ▼ For more details, please visit this page. https://sbsmarketing.co.jp/blog/ten-thousand-hour-rule-2025-09/

Sep 04, 2025

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[New Product] Digital Picking Display with Large Surface Light Emitting Switch "SGLT2-1-200" for Sale

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Aioi System will begin selling a new product, the digital picking display (LED model) "SGLT2-1-200" equipped with a large surface-emitting switch, starting October 1, 2025, to support the efficiency of logistics and manufacturing operations. With its highly visible large LED display and energy-saving design, it contributes to reducing work errors and improving the efficiency of line operations. The "SGLT2-1-200" is an LED tape-type display that adopts a unique technology where the entire surface acts as a CONFIRM button (patent application pending: Application No. 2025-002484). It offers high visibility, intuitive operation, energy efficiency, and a slim design for easy installation, as well as the capability to connect up to 200 units, making it flexible for large-scale sites. It standardizes the increasingly complex picking and sorting tasks, balancing efficiency and safety. This product will be showcased at the International Logistics Comprehensive Exhibition 2025, the 4th INNOVATION EXPO (Tokyo Big Sight). It will be a valuable opportunity to see the actual device, so please visit us. Event Dates: September 10 (Wed) - 12 (Fri), 2025 Venue: Tokyo Big Sight (Halls 4-8) Booth No: 5-907 (TOPPAN Group Booth)

Sep 04, 2025

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Important Notice Regarding Our Website and Related Fraudulent Activities

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A fraudulent website mimicking our official site has been identified. To protect your interests, please ensure that you verify information through our official channels. We appreciate your continued trust and support.

Sep 04, 2025

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[News Release] Open Source CRM "F-RevoCRM" version 7.4.2 released - Improvements in functionality and bug fixes, including standard implementation of two-factor authentication -

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Thinking Reed Co., Ltd. has released the latest version 7.4.2 of our open-source CRM "F-RevoCRM" on September 1, 2025. This release includes a significant enhancement in security with the standard implementation of two-factor authentication, as well as numerous feature improvements and bug fixes aimed at improving usability and stability. The source code for "F-RevoCRM version 7.4.2" is available for download from the official F-RevoCRM website. ▼ Here is the detail page for F-RevoCRM version 7.4.2 https://f-revocrm.jp/2025/09/f-revocrm-version7-4-2-release/ 【Main improvements and fixes in F-RevoCRM version 7.4.2】 1. Standard implementation of two-factor authentication (multi-factor authentication) In addition to the traditional ID and password authentication, we combine the following authentication methods to prevent unauthorized access. This significantly reduces the risk of impersonation logins and strengthens compliance with security policies. 2. Feature improvements 3. Major bug fixes

Sep 04, 2025

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  • イプロスがリアル展示会を主催します! AI/DX 営業・マーケティング展 出展社募集中 リード数・商談数が止まらない!新しいリアル展示会を提供 会期 2026年3月24日(火)~25日(水) 会場 東京ビッグサイト東4ホール 出展概要資料を進呈!
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