Study on quantification of influence factor to rebound hammer method intended to Improvement of estimate accuracy of compressive strength

• Project/Area Number: 21760429
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Building structures/materials
• Research Institution: Nagoya University
• Principal Investigator: FUJIMORI Shigeru Nagoya University, 環境学研究科, 助教 (60437077)
• Project Period (FY): 2009 – 2010
• Project Status: Completed (Fiscal Year 2010)
• Budget Amount: ¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000); Fiscal Year 2010: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000); Fiscal Year 2009: ¥3,510,000 (Direct Cost: ¥2,700,000、Indirect Cost: ¥810,000)
• Keywords: 非破壊試験 / 反発度法 / 硬度

Research Abstract

Experimental results on the area of influence of the thickness direction by the parameter of material age and water-cement ratio, at young age, it was revealed that required to evaluate value of Rebound Hammer, considering thickness and characteristics of materials in parallel.