표제지
요지
Abstract
목차
제1장 서론 12
제2장 기존 장비와 IoT 기반 장비로 측정한 콘크리트 공기량의 비교 15
제3장 공기량과 동결융해 횟수에 따른 콘크리트의 상대동탄성계수 19
제4장 동결융해 일수에 따른 콘크리트 포장의 내구성균열 25
제5장 결론 31
참고문헌 33
Table 1. Criteria for Air Content of Ready-Mixed Concrete 13
Table 2. Mix Design of Air content Measure Equipment Performance Evaluation Test 15
Table 3. Measurement Results of Air Content of Concrete 17
Fig. 1. Air Meter Quality Test Equipment 13
Fig. 2. Durability Cracking of Concrete Pavement 14
Fig. 3. Quality Test Equipment based on IoT 16
Fig. 4. Maximum Deviation of Air Content between Existing and IoT Based Devices 18
Fig. 5. Relative Dynamic Modulus of Concrete According to Air Content and Freeze-Thaw Cycle 19
Fig. 6. Predicted Relative Dynamic Modulus According to Air Content and Freeze-Thaw Cycle 21
Fig. 7. Line of Equality between Measured and Predicted Relative Dynamic Modulus 22
Fig. 8. Freeze-Thaw Cycle According to Air Content Required to Reach Below 80% Relative Dynamic Modulus 23
Fig. 9. Freeze-Thaw Cycles Required to Reach 80% of Relative Dynamic Modulus for Two Method's Air Content 24
Fig. 10. Procedure to Analyze Correlation between Durability Cracking... 25
Fig. 11. Configuration of Triangular Net of Weather Stations 27
Fig. 12. Durability Crack According to Annual Average Freeze-Thaw Days 28
Fig. 13. Line of Equality between Measured and Predicted Durability Crack 29