Popular Hand Book for Cement and Concrete Users: A Comprehensive and Popular Treatise on the Principles Involved and Methods Employed in the Design and Construction of Modern Concrete Work ...Norman W. Henley Publishing Company, 1911 - 430 стор. |
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Сторінка v
... GRAVEL FOR CONCRETE Selection of Sand . - Tests for Sand . - Washing Sand . - Mixture of Bank Sand and Gravel . - Broken Stone . - Gravel , CHAPTER VI HOW TO PROPORTION THE MATERIALS Nature of the Problem . - Voids in Concrete ...
... GRAVEL FOR CONCRETE Selection of Sand . - Tests for Sand . - Washing Sand . - Mixture of Bank Sand and Gravel . - Broken Stone . - Gravel , CHAPTER VI HOW TO PROPORTION THE MATERIALS Nature of the Problem . - Voids in Concrete ...
Сторінка 26
... gravel , etc. , by means of lime or cement . Its principal ingredients are as follows : 1. The matrix or mortar ; consisting of cement and sand mixed with water . 2. The coarse aggregate ; broken stone , gravel , etc. Concrete made with ...
... gravel , etc. , by means of lime or cement . Its principal ingredients are as follows : 1. The matrix or mortar ; consisting of cement and sand mixed with water . 2. The coarse aggregate ; broken stone , gravel , etc. Concrete made with ...
Сторінка 27
... gravel is natural rock disintegrated by natural forces . The broken stone is natural rock disintegrated by artificial forces . The water is just ordinary H2O which is clean and free from acids . or alkalis . The cement has already been ...
... gravel is natural rock disintegrated by natural forces . The broken stone is natural rock disintegrated by artificial forces . The water is just ordinary H2O which is clean and free from acids . or alkalis . The cement has already been ...
Сторінка 28
... gravel and cinders , give satisfac- tion . Trap and granite give a hard wearing surface to the concrete , and are useful as aggregates in all classes of concrete work . Gravel and conglomerate are almost equally valuable . These are ...
... gravel and cinders , give satisfac- tion . Trap and granite give a hard wearing surface to the concrete , and are useful as aggregates in all classes of concrete work . Gravel and conglomerate are almost equally valuable . These are ...
Сторінка 34
... gravel , although the latter mix is denser , thus indicating a stronger adhesion of cement to broken stone than to gravel . 6. In ordinary proportioning with two given kinds of aggregates and a given percentage of cement , the densest ...
... gravel , although the latter mix is denser , thus indicating a stronger adhesion of cement to broken stone than to gravel . 6. In ordinary proportioning with two given kinds of aggregates and a given percentage of cement , the densest ...
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50 cents abutment acid aggregate applied arch asphalt barrel bars bending bottom brick bridge broken stone building carrying cent centre chapter coat color columns compression compressive stress concrete blocks consists construction cost cracks crete cubic cubic foot depth diameter employed engineer face feet filled finish floor forms formula foundation girders gravel grout gypsum hardening horizontal hydraulic lime inches lath lime load machine manufacture masonry material metal method mixer mixing mixture mortar mould O'CONOR SLOANE obtained ornamental pile pipe placed plaster plaster of Paris Portland cement posts practical pressure Price proportions reinforced concrete reinforced-concrete removed resistance retaining walls rods Rule sand sewer shear slab slaked lime space span steel stirrups strength stress structure stucco surface tamped tanks tensile stresses tension tests tile trowel tunnel vertical waterproofing weight wire wooden
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Сторінка 25 - Pats of neat cement about three inches in diameter, one-half inch thick at the center, and tapering to a thin edge, shall be kept in moist air for a period of twenty-four hours.