橋梁メンテナンス List of Products and Services

We aim for low cost, speed, and high performance. We aim to shorten construction periods and improve construction efficiency. *For more details, please contact us or download the catalog.*

• Foundation construction
• Dam construction

【Basic Drainage】 Utilizing the road surface slope to drain water from the drainage pit. 【Supplementary Drainage】 Collecting rainwater that has permeated through the pavement into a drainer (spiral drain) installed above the waterproof layer and draining it through a quick drain. 【Emergency Drainage】 In the event that rainwater permeates into the synthetic slab, collecting it in a concrete saver installed on the lower steel plate and draining it using monitoring holes. *For more details, please contact us or download the catalog.*

• Foundation construction
• Waterproofing work
• Pavement construction

The expansion joints of road bridges have been treated as secondary components in design, despite being subjected to harsh conditions where they directly receive repeated vehicle loads. Additionally, the mechanism for transmitting forces to the expansion joints has not been clearly defined, and fatigue strength checks have hardly been conducted. Our company has conducted fatigue tests to confirm durability and developed the "KMA Joint," which meets the required performance of expansion joints: "stability during operation," "static and dynamic durability," "ensuring movement," "water-tightness," and "low noise and low vibration." To reduce the time required for replacing expansion joints, we have improved the anchoring structure that fixes the expansion joints to the deck slab by introducing prestress into the steel rods of our Sepec Joint, using a perforated jib for the anchoring structure.

• Foundation construction
• Dam construction

The KMS joint is a load-supporting, surface steel, vertical, triangular tooth-shaped expansion device developed to adapt the technology cultivated in the Seapek joint for small expansion amounts and small gap bridges.

• Foundation construction
• Dam construction