Compressive Strength Worksheet

What is compressive strength? Compressive strength is defined as the ________ compressive stress a material can withstand before failing or breaking under a load applied perpendicularly to its surface.

• maximum

• minimum

• average

• nominal

Compressive strength is how much weight or pressure a material can handle before it gets crushed or breaks.

• True

• False

According to ASTM International, compressive strength of concrete is defined in ASTM C39C/39M as: The maximum compressive stress that a concrete specimen can withstand under a gradually applied axial load, divided by the original cross-sectional area of the specimen.

• True

• False

What is the compressive strength of concrete defined as? The compressive strength of concrete is defined as the ________ of a material or structure to withstand axial compressive forces.

• capacity

• weight

• density

• volume

Which units are used to express the compressive strength of concrete?

• Kilograms

• MPa (megapascals) or psi (pounds per square inch)

• Liters

• Newtons

Which standards are followed for testing and curing concrete? The test follows standards like ________ for testing and ________ for preparing and curing the concrete.

• ASTM C39/C39M for testing and ASTM C31/C31M for preparing and curing

• ASTM C31/C31M for testing and ASTM C39/C39M for preparing and curing

• ASTM C150/C150M for testing and ASTM C172/C172M for preparing and curing

• ASTM C143/C143M for testing and ASTM C192/C192M for preparing and curing

What is one objective of the Concrete Compressive Strength Test (ASTM C39/C39M)? To determine the ________ strength of concrete specimens.

• compressive

• tensile

• flexural

• shear

What is one objective of the Concrete Compressive Strength Test (ASTM C39/C39M)? To assess the quality and consistency of ________ concrete.

• hardened

• fresh

• reinforced

• colored

What is one objective of the Concrete Compressive Strength Test (ASTM C39/C39M)? To ensure that concrete mix meets ________ and design requirements.

• structural

• aesthetic

• environmental

• economic

What is one objective of the Concrete Compressive Strength Test (ASTM C39/C39M)? The test ensures that the concrete delivered to site meets the specified ________ strength.

• characteristic

• tensile

• flexural

• yield