Freezing Temperature Protection Admixture for Portland Cement Concrete
Objectives - SR96_280009
PHASE I: EVALUATION OF POZZUTEC 20
Table 5. Phase I mixture identification.
Results and discussion - SR96_280012
Figure 1. Temperature histories of concrete with Types I and III cement, various dosages of Pozzutec 20, cured at various temperatures
Figure 2. Effect of temperature on strength gain of concrete
ask 2: Corrosion potential
Table 7. Durability factors for Pozzutec 20 concrete
Task 5: Critical strength
PHASE II: DEVELOPMENT OF IMPROVED ADMIXTURE
Results and discussion - SR96_280019
Table 14. Strength results from Pozzutec 20 (P20) and propylene glycol (PG) and urea with a 420-kg/m3
PHASE III: EVALUATION OF IMPROVED ADMIXTURE
Task 2: Corrosion potential
Figure 8. Lollipop specimens, 50- 100-mm (2 4 in.) cylinders ponded half-height in sodium chloride solution
PHASE IV: FIELD APPLICATION
Results and discussion - SR96_280025
Table 24. Properties of fresh concrete
Table 26. Strength results, MPa (psi), from pull-out cylinders cast into the concrete
Table 27. Mix proportions
Thermal record
Strength development - SR96_280030
Table 31. Winter cost estimate
CONCLUSIONS - SR96_280032
CONCLUSIONS-continue - SR96_280033
RECOMMENDATIONS - SR96_280034
APPENDIX A: PHASE I, TASK 1 STRENGTHS
Table A3. Compressive strength, MPa (psi), with Type I cement and a 420-kg/m3 (705 lb/yd3) cement factor
APPENDIX B: PHASE I, TASK 5 CRITICAL STRENGTHS
APPENDIX C: PHASE II, MORTAR SCREENING RESULTS
Table C2. Mortar mix results, 90 fl oz/cwt dosage
APPENDIX D: PHASE II, CONCRETE TESTING RESULTS
Table D2. Mix data and plastic properties
Table D3a. Hardened properties
Table D4. Mix data and plastic properties
Report Documentation Page - SR96_280044
SR96_28
Objectives - SR96_280009
PHASE I: EVALUATION OF POZZUTEC 20
Table 5. Phase I mixture identification.
Results and discussion - SR96_280012
Figure 1. Temperature histories of concrete with Types I and III cement, various dosages of Pozzutec 20, cured at various temperatures
Figure 2. Effect of temperature on strength gain of concrete
ask 2: Corrosion potential
Table 7. Durability factors for Pozzutec 20 concrete
Task 5: Critical strength
PHASE II: DEVELOPMENT OF IMPROVED ADMIXTURE
Results and discussion - SR96_280019
Table 14. Strength results from Pozzutec 20 (P20) and propylene glycol (PG) and urea with a 420-kg/m3
PHASE III: EVALUATION OF IMPROVED ADMIXTURE
Task 2: Corrosion potential
Figure 8. Lollipop specimens, 50- 100-mm (2 4 in.) cylinders ponded half-height in sodium chloride solution
PHASE IV: FIELD APPLICATION
Results and discussion - SR96_280025
Table 24. Properties of fresh concrete
Table 26. Strength results, MPa (psi), from pull-out cylinders cast into the concrete
Table 27. Mix proportions
Thermal record
Strength development - SR96_280030
Table 31. Winter cost estimate
CONCLUSIONS - SR96_280032
CONCLUSIONS-continue - SR96_280033
RECOMMENDATIONS - SR96_280034
APPENDIX A: PHASE I, TASK 1 STRENGTHS
Table A3. Compressive strength, MPa (psi), with Type I cement and a 420-kg/m3 (705 lb/yd3) cement factor
APPENDIX B: PHASE I, TASK 5 CRITICAL STRENGTHS
APPENDIX C: PHASE II, MORTAR SCREENING RESULTS
Table C2. Mortar mix results, 90 fl oz/cwt dosage
APPENDIX D: PHASE II, CONCRETE TESTING RESULTS
Table D2. Mix data and plastic properties
Table D3a. Hardened properties
Table D4. Mix data and plastic properties
Report Documentation Page - SR96_280044
SR96_28