Experimental assessment on mechanical performance of precast concrete sandwich panels manufactured with mixed recycled aggregate Article Swipe
Jian Ma
,
Pengpeng Yan
,
Xu Liu
·
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.1016/j.cscm.2025.e05001
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.1016/j.cscm.2025.e05001
Mixed recycled coarse aggregate (MRA), derived from construction and demolition waste of masonry-concrete composite frame structures, primarily consists of recycled concrete aggregate (RCA) and recycled brick aggregate (RBA). Due to the high porosity of MRA, its application to precast concrete sandwich wall panels (PCSPs) is beneficial for improving their thermal performance. However, the influence of MRA on the mechanical properties of such sandwich panels remains inadequately characterized. This study presents experimental findings on the axial and flexural behavior of PCSPs incorporating MRA (MRA-PCSPs). Results show that with a 50 % MRA replacement rate, the axial and flexural bearing capacities of the panels decreased by 15.7 % and 6.7 %, respectively. Compared with bending performance, MRA has a more significant adverse effect on axial compression performance. When the RBA content in MRA increased from 10 % to 30 %, the cracking loads under axial compression and bending tests decreased by 24.7 % and 15.1 %, respectively, but the ultimate load was not adversely affected. While the inclusion of MRA did not compromise the composite action of PCSPs, using a thicker insulation board led to reductions in both the load-bearing capacity and composite performance. The addition of edge frames significantly enhanced the mechanical performance of MRA-PCSPs, increasing their axial and flexural bearing capacities by 23.6 % and 204.5 %, respectively. The composite action of the wall panels is significantly enhanced after adding edge frames, which is basically equivalent to solid wall panels.
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Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1016/j.cscm.2025.e05001
- OA Status
- gold
- References
- 48
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All OpenAlex metadata
Raw OpenAlex JSON
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https://openalex.org/W4411848537Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.1016/j.cscm.2025.e05001Digital Object Identifier
- Title
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Experimental assessment on mechanical performance of precast concrete sandwich panels manufactured with mixed recycled aggregateWork title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
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2025Year of publication
- Publication date
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2025-07-01Full publication date if available
- Authors
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Jian Ma, Pengpeng Yan, Xu LiuList of authors in order
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https://doi.org/10.1016/j.cscm.2025.e05001Publisher landing page
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YesWhether a free full text is available
- OA status
-
goldOpen access status per OpenAlex
- OA URL
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https://doi.org/10.1016/j.cscm.2025.e05001Direct OA link when available
- Concepts
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Precast concrete, Aggregate (composite), Materials science, Composite material, Structural engineering, EngineeringTop concepts (fields/topics) attached by OpenAlex
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0Total citation count in OpenAlex
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48Number of works referenced by this work
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10Other works algorithmically related by OpenAlex
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| abstract_inverted_index.respectively, | 154 |
| abstract_inverted_index.respectively. | 109, 217 |
| abstract_inverted_index.significantly | 197, 226 |
| abstract_inverted_index.characterized. | 66 |
| abstract_inverted_index.masonry-concrete | 12 |
| cited_by_percentile_year | |
| countries_distinct_count | 0 |
| institutions_distinct_count | 3 |
| citation_normalized_percentile.value | 0.30346378 |
| citation_normalized_percentile.is_in_top_1_percent | False |
| citation_normalized_percentile.is_in_top_10_percent | False |