...diagonal plane shall be one-fiftieth of the ultimate compressive strength. (g) For a concrete composed of one part of cement, two parts of sand and four parts of broken stone, the allowable unit stress for adhesion per square inch of surface of imbedment shall not exceed the...

...per acre. What rate did he charge for selling the land? 8. The "1-2-4" concrete mixture is composed of one part of cement, two parts of sand, and four parts of stone or gravel. What per cent of this mixture is composed of cement? g. At the Kansas Experiment Station...

...one part of cement to not more than six parts of aggregate, fine and coarse, either in the proportion of one part of cement, two parts of sand and four parts of stone or gravel, or in such proportion as to produce a maximum density. Such concrete shall develop...

...and one-half parts of sand and three parts of stone, while in the floors and walls the proportion was one part of cement, two parts of sand and four parts of stone. All exterior concrete surfaces were tooled and ground to eliminate form marks and give the building...

...without waterproof compounds, may be used to render a concrete wall waterproof. It is reconfmended that a mixture of one part of cement, two parts of sand, and one-fourth part of hydrated lime be used. For details of the method of application, see Chapter IX....

...evening. Q. And all that time was there any measuring that you know of being done — to see that exactly one part of cement, two parts of sand and four parts of gravel went into that mixture ? A. Well, I couldn't tell that. Q. Of course you couldn't — and there...

...foundations are only 6 inches thick, even where extremely heavy loads are used, but the mixture is one part of cement, two parts of sand, and four parts of broken stone, instead of the proportions previously given. STONE BLOCK PAVEMENTS. In deciding upon the special kind...

...stone]." As noted, the proportions are stated in three parts ; for instance, 3.1:2:4. mixture means that one part of cement, two parts of sand, and four parts of loose gravel or broken stone constitute the mixture. It is common practice to express concrete proportions...

...feet 6 inches high. The walls, roof, and floor slabs to be constructed of concrete and to consist of a mixture of one part of cement, two parts of sand and four parts of stone; the walls to be 12 inches tlik'k ami reinforced with three-eighths inch temperature rods which...

...diagonal plane shall be one-fiftieth of the ultimate compressive strength. (ff) For a concrete composed of one part of cement, two parts of sand, and four parts of broken stone, the allowable unit stress for adhesion per square inch of surface of imbedment shall not exceed the...