Yongjun Chen ← Customer Feedback for Department of Transportation My feedback 1 result found Is any variation of optical fiber sensor acceptable for concrete shrinkage measurement? 1 vote Vote Vote Vote We're glad you're herePlease sign in to leave feedback Signed in as (Sign out) Close Close Vote We’ll send you updates on this idea 1 comment · U.S. DOT FY 2025 Phase I Pre-Solicitation Q&A » 25-FH3: Concrete Shrinkage Measurement Device · Delete… · Admin → How important is this to you? Not at all You must login first! Important You must login first! Critical You must login first! We're glad you're herePlease sign in to leave feedback Signed in as (Sign out) Close Close Yongjun Chen shared this idea · Jan 14, 2025