Eihōsei Construction Co., Ltd. Concrete Structure Repair Division Technical Introduction

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last updated：Aug 21, 2015

栄宝生建設本社

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We will challenge ourselves to create safe and secure manufacturing for the future.

In our country, investment in new businesses is shrinking, and the renewal of aging facilities is also lagging, leading to a growing need to extend the life of existing infrastructure. The Repair Division of Eihosei Construction focuses on understanding the deterioration of existing infrastructure facilities, identifying latent and progressive deterioration states that are not visible externally, and implementing appropriate measures for extending their lifespan. By providing solutions for the longevity of existing infrastructure, we are committed to ensuring safe and secure "manufacturing" for the future. [Main Business Activities] - Bridges: Transitioning to preventive maintenance management - Tunnels: Renewal of lining concrete - Rock bonding: Reducing rockfall energy to "zero" - Resin coating: Innovation in maintenance technology For more details, please contact us or download the catalog.

Related Link - http://www.sakaehosho.com/

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【Method Introduction】 [Bridge Repair and Reinforcement] ○ Seismic Reinforcement (Connecting Cables, Shock Absorbing Chains, Edge Widening) ○ Live Load Response (Carbon Fiber Sheets, Steel Plate Adhesion), Cross-Section Restoration ○ Renewal of Existing Guardrails, Surface Protection, etc. [Tunnel Repair and Reinforcement] ○ Falling Debris Prevention Measures (Thickening FRP Grids, Carbon Fiber Sheets, Falling Debris Prevention Nets) ○ Water Leakage Measures (Crack Injection, Crack Water Stopping, Line Drainage Works) ○ Backfill Hollow Filling Measures (Line Drainage Gutter Works, Grout Injection, Backfill Injection) [Rock Bonding] ○ DK Bond Method (NETIS SK-980021-V) → A technique to bond and fill cracks in large rocks, rock masses, and rock formations at risk of falling debris, improving overall stability by shifting the center of gravity of individual rock fragments. [Resin Coating] ○ Ultra-Low Solvent Two-Component Reaction Curing Silicone Modified Acrylic Urethane Thick Film Coating → Applicable to all substrates (metal parts, FRP, existing waterproof sheets, etc.) ● For more details, please contact us or download the catalog.