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Durability of polymer-modified lightweight aggregate concrete

Rossignolo, João A. / Agnesini, Marcos V.C.

AbstractThe effects of styrene–butadiene rubber latex (SBR) modification on the durability of lightweight concrete (LWAC) were investigated. Corrosion resistance, chemical resistance and water absorption of SBR-modified LWAC were analyzed and compared with the unmodified LWAC. The 7-day compressive strength as well as the dry concrete density varied from 39.5 to 51.9 MPa and from 1460 to 1605 kg/m³, respectively. The results of this study demonstrate that the performance of SBR-modified LWAC exposed to aggressive environments was better than unmodified one. SBR-modified LWAC led to lower water absorption and significant resistance improvement to chemical attack and corrosion.

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Durability of polymer-modified lightweight aggregate concrete

Rossignolo, João A. / Agnesini, Marcos V.C.

AbstractThe effects of styrene–butadiene rubber latex (SBR) modification on the durability of lightweight concrete (LWAC) were investigated. Corrosion resistance, chemical resistance and water absorption of SBR-modified LWAC were analyzed and compared with the unmodified LWAC. The 7-day compressive strength as well as the dry concrete density varied from 39.5 to 51.9 MPa and from 1460 to 1605 kg/m³, respectively. The results of this study demonstrate that the performance of SBR-modified LWAC exposed to aggressive environments was better than unmodified one. SBR-modified LWAC led to lower water absorption and significant resistance improvement to chemical attack and corrosion.

Durability of polymer-modified lightweight aggregate concrete

Rossignolo, João A. / Agnesini, Marcos V.C.

AbstractThe effects of styrene–butadiene rubber latex (SBR) modification on the durability of lightweight concrete (LWAC) were investigated. Corrosion resistance, chemical resistance and water absorption of SBR-modified LWAC were analyzed and compared with the unmodified LWAC. The 7-day compressive strength as well as the dry concrete density varied from 39.5 to 51.9 MPa and from 1460 to 1605 kg/m³, respectively. The results of this study demonstrate that the performance of SBR-modified LWAC exposed to aggressive environments was better than unmodified one. SBR-modified LWAC led to lower water absorption and significant resistance improvement to chemical attack and corrosion.

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Title:

Durability of polymer-modified lightweight aggregate concrete

Contributors:

Rossignolo, João A. (author) / Agnesini, Marcos V.C. (author)

Published in:

Cement and Concrete Composites ; 26 ; 375-380

Publication date:

2002-11-27

Size:

6 pages

ISSN:

DOI:

https://doi.org/10.1016/S0958-9465(03)00022-2

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Lightweight aggregate concrete , Polymer , SBR , Durability

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