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231224s2017 xx |||||o 00| ||eng c |
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|a 10.1177/0734242X16676544
|2 doi
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|a pubmed24n0887.xml
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|a (NLM)27864371
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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1 |
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|a Medeiros-Junior, Ronaldo A
|e verfasserin
|4 aut
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|a Applicability of recycled aggregates in concrete piles for soft soil improvement
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|c 2017
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 03.07.2017
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|a Date Revised 16.11.2017
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a The expressive generation of construction and demolition waste is stimulating several studies for reusing this material. The improvement of soft soils by concrete compaction piles has been widely applied for 40 years in some Brazilian cities. This technique is used to improve the bearing capacity of soft soils, allowing executing shallow foundations instead of deep foundations. The compaction piles use a high volume of material. This article explored the possibility of using recycled aggregates from construction waste to replace the natural aggregates in order to improve the bearing capacity of the soft soil, regarding its compressive strength. Construction wastes from different stages of a construction were used in order to make samples of concrete with recycled aggregates. The strength of concretes with natural aggregates was compared with the strength of concretes with recycled (fine and coarse) aggregates. Results show that all samples met the minimum compressive strength specified for compaction piles used to improve the bearing capacity of soft soils. The concrete with recycled aggregate from the structural stage had even higher resistances than the concrete with natural aggregates. This behaviour was attributed to the large amount of cementitious materials in the composition of this type of concrete. It was also observed that concrete with recycled fine aggregate has a superior resistance to concrete with recycled coarse aggregate
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|a Journal Article
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|a Construction waste
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|a aggregates
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|a compressive strength
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|a concrete
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|a recycling
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|a soil
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|a Industrial Waste
|2 NLM
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| 650 |
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|a Soil
|2 NLM
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1 |
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|a Balestra, Carlos Et
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lima, Maryangela G
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Waste management & research : the journal of the International Solid Wastes and Public Cleansing Association, ISWA
|d 1991
|g 35(2017), 1 vom: 13. Jan., Seite 56-64
|w (DE-627)NLM098164791
|x 1096-3669
|7 nnns
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| 773 |
1 |
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|g volume:35
|g year:2017
|g number:1
|g day:13
|g month:01
|g pages:56-64
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|u http://dx.doi.org/10.1177/0734242X16676544
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