TABLE OF CONTENTS 



PART I 



PROPERTIES OF THE MATERIAL 



CHAPTER I 



CONCRETE 



ARTICLE PAGE 



1. General requirements 1 



2. Cement 2 



3. Sand 2 



4. Stone f 4 



5. Consistency 6 



6. Unit for proportioning 6 



7. Theory of proportions 7 



8. Proportioning by mechanical analysis 7 



9. Quantities required per cubic yard . 14 



10. Compressive strength 15 



11. Tensile strength 18 



12. Shearing strength 19 



13. Contraction and expansion 19 



14. Fireproofing qualities 20 



15. Waterproofing qualities 21 



16. Modulus of elasticity 22 



17. Weight of concrete . . 22 



CHAPTER II 



STEEL 



18. General requirements 



19. Tensile strength 24 



20. Coefficient of expansion 24 



21. Modulus of elasticity 24 



22. Bending test for steel 24 



CHAPTER III 



CONCRETE AND STEEL IN COMBINATION 



23. Advantages of the combination 26 



24. Bond between concrete and steel 27 



25. Ratio of the moduli of elasticity 29 



26. Behavior of reinforced concrete under tension 35 



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