ASTM C78/C78M
Standard Test Method for
Flexural Strength of
Concrete Using Simple
Beam with Third-Point
Loading
Many of the parameters which affect the ______ strength of concrete also apply to the ______
strength. - ANSWERScompressive; flexural
T or F: Hand operated pumps can't be used in this testing method if they have pumps that don't
provide continuous loading at a uniform rate. - ANSWERSTrue
Bearing blocks used in the ______ method must ensure that forces applied to the beam will be
perpendicular to the face of the specimen and applied without eccentricity. - ANSWERSthird
point loading
The testing equipment must be capable of maintaining distances between load-applying and
support blocks constant within ______. - ANSWERS± 1 mm [0.05 in]
Load-bearing and support blocks must be in ______ with the ______. - ANSWERScontact; rod or
ball
Test specimens should be smooth and free of ______, ______, ______, or ______. -
ANSWERSscars, indentations, holes, or inscribed identification marks
Standard Test Method for
Flexural Strength of
Concrete Using Simple
Beam with Third-Point
Loading
Many of the parameters which affect the ______ strength of concrete also apply to the ______
strength. - ANSWERScompressive; flexural
T or F: Hand operated pumps can't be used in this testing method if they have pumps that don't
provide continuous loading at a uniform rate. - ANSWERSTrue
Bearing blocks used in the ______ method must ensure that forces applied to the beam will be
perpendicular to the face of the specimen and applied without eccentricity. - ANSWERSthird
point loading
The testing equipment must be capable of maintaining distances between load-applying and
support blocks constant within ______. - ANSWERS± 1 mm [0.05 in]
Load-bearing and support blocks must be in ______ with the ______. - ANSWERScontact; rod or
ball
Test specimens should be smooth and free of ______, ______, ______, or ______. -
ANSWERSscars, indentations, holes, or inscribed identification marks
