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Crack propagation in plain concrete

Lott, J. / Kesler, C.E.

Hypothesis for fracture of concrete is presented; initial cracks exist in cement paste matrix and at matrix-aggregate interface; propagation of existing cracks in plain concrete is influenced by properties of cement paste and aggregates; fracture toughness is expressed as stress intensity factor for region near tip of existing crack at onset of rapid crack propagation; experimental investigation formed part of study and was designed to provide evaluation of hypothesis; results indicate that concretes with typical coarse aggregate contents have approximately 20% greater resistance to crack growth than mortars with similar water/cement and sand/cement ratios.

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Crack propagation in plain concrete

Lott, J. / Kesler, C.E.

Hypothesis for fracture of concrete is presented; initial cracks exist in cement paste matrix and at matrix-aggregate interface; propagation of existing cracks in plain concrete is influenced by properties of cement paste and aggregates; fracture toughness is expressed as stress intensity factor for region near tip of existing crack at onset of rapid crack propagation; experimental investigation formed part of study and was designed to provide evaluation of hypothesis; results indicate that concretes with typical coarse aggregate contents have approximately 20% greater resistance to crack growth than mortars with similar water/cement and sand/cement ratios.

Crack propagation in plain concrete

Lott, J. / Kesler, C.E.

Hypothesis for fracture of concrete is presented; initial cracks exist in cement paste matrix and at matrix-aggregate interface; propagation of existing cracks in plain concrete is influenced by properties of cement paste and aggregates; fracture toughness is expressed as stress intensity factor for region near tip of existing crack at onset of rapid crack propagation; experimental investigation formed part of study and was designed to provide evaluation of hypothesis; results indicate that concretes with typical coarse aggregate contents have approximately 20% greater resistance to crack growth than mortars with similar water/cement and sand/cement ratios.

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Title:

Crack propagation in plain concrete

Additional title:

Nat Research Council -- Highway Research Board -- Special Report

Contributors:

Lott, J. (author) / Kesler, C.E. (author)

Published in:

National Research Council -- Highway Research Board -- Special Reports

Publication date:

1966

Size:

15 pages

Type of media:

Report

Type of material:

Print

Language:

English

Keywords:

© Metadata Copyright Elsevier B. V. All rights reserved.

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