Aggregates 1

Particle size has no effect on the surface area of concrete.

Concrete mixtures with larger coarse aggregates require more cement.

Mixtures with larger coarse aggregates require less water.

Fineness Modulus (FM) is calculated by dividing the sum of cumulative percentages by 50.

Iron particles in aggregates contribute to the occurrence of Popouts.

D-Cracking can be caused by harmful reactive substances in concrete aggregates.

D-cracking is caused by the freeze-thaw deterioration of the fine aggregate within concrete.

Aggregates containing iron particles are less likely to contribute to alkali-aggregate reactivity (AAR).

Aggregates are potentially harmful if they interfere with the normal hydration of cement.

Popouts in concrete are typically caused by the presence of basalt aggregates.

Popouts in concrete are caused by external pressure.

The use of crushed air-cooled blast-furnace slag as concrete aggregate can lead to AAR.

Iron oxide stains in aggregates are caused by impurities in the fine aggregate.

Concrete with heavy-weight aggregates like magnetite and steel punchings can have a density of up to 6400 kg/m3 (400 lb/ft3).

Alkali-Aggregate Reactivity (AAR) involves a reaction between the active mineral constituents of aggregates and alkali hydroxides in the concrete.

Recycled waste concrete aggregates can include brick and glass.

Recycled Sand is considered a coarse aggregate.

The majority of aggregate tests and characteristics are referenced in ASTM C 33 (AASHTO M 6/M 80).

Grading of aggregate is determined by a sieve analysis using round openings.

Fine aggregate sieves have openings ranging from 150 μm to 9.5 mm.

D-Cracking is a type of alkali-aggregate reaction.

Aggregate represents 60% to 75% of concrete mass

Harmful Reactive Substances in concrete can lead to deterioration over time.

Alkali-Aggregate Reactivity (AAR) can be controlled by reducing the alkali loading in concrete mixes.

D-Cracking is a beneficial property of aggregates

Popouts in concrete are caused by the presence of excess moisture during curing.

Harmful Reactive Substances in aggregates can lead to concrete deterioration

The presence of iron particles in aggregates can contribute to the occurrence of Popouts in concrete.

Alkali-Aggregate Reactivity (AAR) is not a concern when using aggregates in concrete

Popouts in aggregates are desirable for enhancing concrete strength

D-Cracking is typically caused by the freeze-thaw deterioration of the fine aggregate within concrete.

Harmful reactive substances in concrete aggregates can lead to D-Cracking.

Iron particles in aggregates are less likely to contribute to alkali-aggregate reactivity (AAR).

Popouts in concrete are typically caused by external pressure.

Iron particles in aggregates contribute to the occurrence of Popouts.

Fineness Modulus (FM) is calculated by dividing the sum of cumulative percentages by 50.

Concrete mixtures with larger coarse aggregates require more water.

Aggregates are potentially harmful if they interfere with the normal hydration of cement.

The use of crushed air-cooled blast-furnace slag as concrete aggregate can lead to Alkali-Aggregate Reactivity (AAR).

Particle size has no effect on the surface area of concrete.

D-Cracking can be caused by harmful reactive substances in concrete aggregates.

Iron particles in aggregates are less likely to contribute to alkali-aggregate reactivity (AAR).

Popouts in concrete are typically caused by the presence of excess moisture during curing.

Harmful Reactive Substances in concrete can lead to deterioration over time.

Mixtures with larger coarse aggregates require less water.

D-Cracking can be caused by the presence of harmful reactive substances in concrete aggregates.

Iron particles in aggregates are less likely to contribute to Alkali-Aggregate Reactivity (AAR).

Popouts in concrete are typically caused by the presence of excess moisture during curing.

The use of crushed air-cooled blast-furnace slag as concrete aggregate can lead to Alkali-Aggregate Reactivity (AAR).

Popouts in aggregates are desirable for enhancing concrete strength.

Popouts in concrete are typically caused by internal pressure that leaves a shallow, typically conical depression.

D-Cracking along a transverse joint is caused by the failure of carbonate fine aggregate.

Aggregates containing harmful reactive substances can lead to D-Cracking in concrete.

Iron oxide stains in aggregates are typically caused by impurities in the fine aggregate.

Alkali-Aggregate Reactivity (AAR) involves a reaction between active mineral constituents of some aggregates and alkali hydroxides in the concrete.

Recycled waste concrete aggregates can include brick and glass.

Popouts in concrete are typically caused by the presence of basalt aggregates.

Iron particles in aggregates contribute to the occurrence of popouts in concrete.

Harmful reactive substances in concrete aggregates can lead to D-Cracking.

D-Cracking is a beneficial property of aggregates.

Popouts in concrete are typically caused by the presence of iron particles in aggregates.

D-Cracking is typically caused by harmful reactive substances in concrete aggregates.

Alkali-Aggregate Reactivity (AAR) is not a concern when using aggregates in concrete.

Iron particles in aggregates are less likely to contribute to alkali-aggregate reactivity (AAR).

Harmful reactive substances in concrete aggregates can lead to D-Cracking over time.

Popouts in concrete are typically caused by the presence of excess moisture during curing.

Iron particles in aggregates are less likely to contribute to alkali-aggregate reactivity (AAR).

Alkali-Aggregate Reactivity (AAR) is not a concern when using aggregates in concrete.

Harmful Reactive Substances in aggregates can lead to concrete deterioration.

D-Cracking is typically caused by the freeze-thaw deterioration of the fine aggregate within concrete.

The absorption and surface moisture of aggregates should not be determined for controlling the total water content of concrete.

Recycled Sand is considered a fine aggregate.

The use of crushed air-cooled blast-furnace slag as concrete aggregate can lead to Alkali-Aggregate Reactivity (AAR).

Popouts in concrete are typically caused by external pressure.

Iron particles in aggregates are less likely to contribute to alkali-aggregate reactivity (AAR).

Particle size has no effect on the surface area of concrete.

D-Cracking can be caused by harmful reactive substances in concrete aggregates.

Popouts in aggregates are desirable for enhancing concrete strength.

Mixtures with larger coarse aggregates require less water.

Aggregates are potentially harmful if they interfere with the normal hydration of cement.

D-Cracking is typically caused by the freeze-thaw deterioration of the fine aggregate within concrete.

Aggregates containing harmful reactive substances can lead to D-Cracking in concrete.

Iron particles in aggregates are less likely to contribute to alkali-aggregate reactivity (AAR).

Popouts in concrete are typically caused by the presence of basalt aggregates.

D-Cracking is typically caused by freeze-thaw deterioration of the fine aggregate within concrete.

Harmful Reactive Substances in concrete can lead to deterioration over time.

Harmful reactive substances in concrete aggregates can lead to the occurrence of D-Cracking over time.

Alkali-Aggregate Reactivity (AAR) is a concern when using certain aggregates in concrete mixes.

Popouts in concrete are typically caused by the presence of basalt aggregates.

The presence of iron particles in aggregates can contribute to the occurrence of popouts in concrete.

D-Cracking can be caused by the presence of harmful reactive substances in concrete aggregates.

Popouts in concrete are typically caused by the presence of excess moisture during curing.

Iron particles in aggregates are less likely to contribute to alkali-aggregate reactivity (AAR).

Harmful reactive substances in concrete aggregates can lead to D-Cracking over time.

Alkali-Aggregate Reactivity (AAR) can be controlled by reducing the alkali loading in concrete mixes.

D-Cracking is typically caused by the freeze-thaw deterioration of the coarse aggregate within concrete.

Harmful reactive substances in aggregates can lead to D-Cracking in concrete.

Alkali-Aggregate Reactivity (AAR) primarily involves a reaction between alkali hydroxides in concrete and iron particles in aggregates.

Popouts in concrete are typically caused by internal pressure that leaves a conical depression.

Iron particles in aggregates are less likely to contribute to Popouts in concrete.

D-Cracking can be caused by the presence of harmful reactive substances in concrete aggregates.

Iron particles in aggregates are less likely to contribute to alkali-aggregate reactivity (AAR).

Popouts in concrete are typically caused by the presence of iron particles in aggregates.

Harmful Reactive Substances in concrete aggregates can lead to the occurrence of D-Cracking over time.

Alkali-Aggregate Reactivity (AAR) is not a concern when using aggregates in concrete.

The presence of iron particles in aggregates can contribute to the occurrence of Alkali-Carbonate Reaction (ACR).

Popouts in concrete are typically caused by the presence of harmful reactive substances in aggregates.

D-Cracking can be caused by the presence of iron particles in aggregates.

The use of crushed limestone as a replacement for reactive aggregate can help control Alkali-Aggregate Reactivity (AAR).

Iron particles in aggregates are more likely to contribute to D-Cracking than to Alkali-Aggregate Reactivity (AAR).

Popouts in concrete are caused by internal pressure that leaves a shallow, typically conical depression.

Harmful Reactive Substances in aggregates can lead to concrete deterioration.

Fine aggregate sieves have openings ranging from 150 μm to 9.5 mm.

D-Cracking is caused by harmful reactive substances in concrete aggregates.

Iron particles in aggregates contribute to the occurrence of Popouts in concrete.

The absorption and surface moisture of aggregates should not be determined for controlling the total water content of concrete.

Iron oxide stains in aggregates are caused by impurities in the fine aggregate.

D-Cracking can be caused by harmful reactive substances in concrete aggregates.

Alkali-Aggregate Reactivity (AAR) involves a reaction between active mineral constituents of some aggregates and alkali hydroxides in the concrete.

Mixtures with larger coarse aggregates require less water.