ASTM ACI Concrete Strength Testing Lab Technician

ASTM ACI Concrete Strength Testing Lab Technician Leave the first rating Save Practice questions for this set Learn 1 / 7 Study with Learn 1. Rate of load application 2. Temperature of Beam 3. Condition and freeness of load supports in testing apparatus Choose matching term 1 It is acceptable to use leather shims only when the gap between the specimen ____ in contact with the blocks is not more than ____ mm or _____ in. 2 When the specimen fails, record the ____ _____ carried by the specimen during the test and Terms in this set (91) ASTM Standard dealing with proper capping methods C617 note the ______ _______ 3 Factors that affect the results of beam testing (3) 4 Which of the following are requirements for load-bearing and support blocks? a) they should be 65 mm (2.5 in) high or less b) The should be half as wide as the specimen c)they should be in contact with the rod or ball Don't know? The procedure for capping enables concrete cylinders to meet the standard's requirements for ____ and ____ Planeness and Perpendicularity equipment needed for the capping process include ____, ____ devices, and ____ pots plates, alignment, melting Plates for neat cement and high strength gypsum plaster caps should be made of ____, ____, ____, or ____ glass, metal, granite, diabase Sulfur mortar cap plates should be formed against _____ or _____ metal or stone The purpose of the guide bar or bullseye level is that caps remain perpendicula r to the axis of the cylinder within _____ degrees .5 to avoid accidents during reheating, use melting pots that have _____ _____ peripheral heating The technician should use a stiff layer of _____ to cap fresh concrete cylinders. Neat Cement Paste Hardened concrete cylinders should be capped with _____ _____ _____ _____, _____ _____ _____, or _____ _____. high strength gypsum paste, neat cement paste or sulfur mortar Plaster of Paris and Portland Cement are examples of suitable high strength plasters. True or False? False- They are not suitable Sulfur mortars and high strength gypsum cement cubes must demonstrate a minimum compressive strength of _____ or _____; whichever is greater. 5000 psi or 35 MPa or the cylinder's strength