We will conduct a detailed investigation of the current condition of bridges that have been in place for many years, establishing the basis for safety verification and repair decisions.
In bridges that have been in place for several decades, complex deterioration such as concrete carbonation, salt damage, fatigue, and steel corrosion may be progressing. To make informed decisions about "when repairs should be made" and "whether there are any issues with traffic," it is important to quantitatively understand the current condition. This service combines close visual inspections, sound tests, and detailed damage investigations to evaluate the deterioration status of aging bridges by individual components. We will create a report that serves as a reference for assessing structural integrity, prioritizing repairs, and formulating longevity plans. This addresses the needs of personnel who want to conduct a thorough investigation of bridges that are a concern due to aging.
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basic information
【Inspection Methods】 - Close visual inspection (comprehensive material and systematic verification) - Sound testing (confirmation of detachment and peeling) - Detailed damage recording (deformation diagrams and photo ledger) - Condition assessment (in accordance with the Ministry of Land, Infrastructure, Transport and Tourism evaluation standards) 【Main Verification Items】 - Cracks, spalling, exposed rebar, and signs of carbonation in concrete - Progress of salt damage and alkali-silica reaction - Corrosion, deformation, and damage to welded joints in steel components - Damage to accessories such as bearings, expansion devices, and guardrails 【Deliverables】 - Condition assessment summary and repair priority organization materials - Deformation diagrams and photo ledger (organized by component) - Inspection report (Ministry of Land, Infrastructure, Transport and Tourism format) - Delivery: PDF report, photo data, Excel ledger, etc.
Price information
Individual estimate Costs vary depending on the content of the investigation, the scale of the facility, site conditions, and the type of deliverables. Please feel free to consult with us first.
Applications/Examples of results
【Purpose】 - Understanding the current condition of bridges that have been in place for a long time after construction - Preparing materials for decision-making on repairs and replacements - Conducting condition assessments for the development of long-term maintenance plans - Creating explanatory materials regarding safety for the council and administration 【Examples of Achievements】 - Detailed inspections and condition assessments of RC bridges that have been in place for over 50 years - Safety confirmation surveys and repair decision support for road bridges with concerns about aging - Creation of a prioritized repair list through comprehensive surveys of multiple aging bridges - *Details of achievements can be provided in materials or upon inquiry*
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Company information
Since its establishment in 1966, East Japan Construction Consultant has been proposing "aha!" moments centered around surveying and design technology for many years. Starting with surveying and expanding into design, land acquisition, compensation, and infrastructure maintenance, we have worked as a comprehensive construction consultant to enhance our services. We have been engaged in the development and maintenance of social infrastructure that supports people's safety, security, and economic activities, including roads, rivers, ports, marine surveys, urban planning, and energy. Currently, in addition to our efforts in disaster prevention, mitigation, and national resilience, we are also focusing on digital transformation (DX) through initiatives such as BIM/CIM, AI, UAVs, and ROVs (underwater drones).
