...54.- — The temperature of the room and the mixing water should be as near 21° Cent. (70° Fahr.) as it is practicable to maintain it. 55. — The sand...depends on the number of test pieces to be made; about 1 000 gr. (35.28 oz.) makes a convenient quantity to mix, especially by hand methods. 57. — The Committee,...

...of the convenient relation of the gram and the cubic centimeter. Fig. 80. Standard form of brickette for tensile strength. 54. The temperature of the room...has thus far been devised, for the following reasons : ( 1 ) The tendency of most cement is to "ball up" in the machine, thereby preventing the working...

...thoroughly mixed dry. The mixing should be done on some non-absorbing surface, preferably plate glass. 1f the mixing must be done on an absorbing surface it...thus far been devised, for the following reasons: (1) The tendency of most cement is to "ball up" in the machine, thereby preventing the working of it...

...54. — The temperature of the room and the mixing water should be as near 21° Cent. (70° Fahr.) as it is practicable to maintain it. 55- — The sand...number of test pieces to be made; about 1,000 gr. (35-28 oz.) makes a convenient quantity to mix, especially by hand methods. 57. — The Committee,...

...centimeter. 54. The temperature of the room and the mixing water should be as near 21° Cent. (70° Fahr.) as it is practicable to maintain it. 55. The sand...thus far been devised, for the following reasons: (1) The tendency of most cement is to "ball up" in the machine, thereby preventing the working of it...

...temperature of the room and the mixing water should be as near 21 degrees Cent. (70 degrees Fahr.) as it is practicable to maintain it. 55. — The sand...has thus far been devised, for the following reasons : (l) The tendency of most cement is to "ball up" in the machine, thereby preventing the working of...

...metric system is recommended because of the convenient relation of the gram and the cubic centimeter. 54. The temperature of the room and the mixing water...depends on the number of test pieces to be made; about 1000 gr. (35.28 oz.) makes a convenient quantity to mix, especially by hand methods. 57. The Committee,...

...temperature of the room and the mixing water should be as near 21 degrees Cent. (70 degrees Fahr.) as it is practicable to maintain it. 55. — The sand...depends on the number of test pieces to be made; about 1000 gr. (35.28 oz.) makes a convenient quantity to mix, especially by hand methods. 57. — The Committee,...

...the mixing must be done on an absorbent surface it should be thoroughly dampened prior to use. 37. The quantity of material to be mixed at one time depends...convenient quantity to mix, especially by hand methods. 38. Method. The material is weighed and placed on the mixing table, and a crater formed in the center,...

...should be done on some non-absorbing surface, preferably plate glass. If the mixing must be done 011 an absorbing surface it should be thoroughly dampened...depends on the number of test pieces to be made; about 1000 gr. (35.28 oz.) makes a convenient quantity to mix, especially by hand methods. 57. The Committee,...