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231225s2022 xx |||||o 00| ||eng c |
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|a 10.1177/0734242X211052851
|2 doi
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|a pubmed24n1106.xml
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|a eng
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|a Eslami, Abolfazl
|e verfasserin
|4 aut
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|a Geotechnical and geophysical characterisations of construction waste-infilled quarry for housing and commercial developments
|b Case study of Tehran, Iran
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|c 2022
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 16.02.2022
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|a Date Revised 16.02.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a The fast population growth in the metropolitan areas of the province of Tehran has led to the scarcity of land and inevitable expansion of urban construction to non-engineered fills and construction/demolition waste disposal sites. An abandoned aggregate quarry, infilled with construction wastes over 16 years, has been recently selected for a new development project consisting of several multi-storey commercial and residential complexes (up to 7 storeys). This study was aimed at delineation of the waste materials, geophysical and field and laboratory geotechnical characterisations prior to foundation design, and the design of the excavation programme. Geo-electric resistivity test was used to delineate the waste materials from natural ground materials. Surface and downhole P- and S-wave velocity measurements were used for the estimation of dynamic elastic properties of the wastes. In total, 12 boreholes (15-30 m deep) along with 10 test pits (4-8.5 m deep) provided the opportunity for visual observations of the waste materials, necessary sampling for compositional analyses, laboratory shear strength tests and determination of waste deposit thickness in different regions of the site. Manual standard penetration test (SPT) was also used to evaluate in situ stiffness of the fine materials of the waste. Six field plate load tests were performed on the waste materials at their natural water content conditions and at saturated (flooded) ground conditions to determine their compressibility and the ground reaction modulus. Based on the results from extensive characterisation programme, it was concluded that the waste materials are in a metastable state and exhibit heterogeneity across the site. The findings of current case study can provide new insight into construction/demolition waste behaviour, using available geophysical and geotechnical tools and testing procedures for characterisation, and eventually helping in reliable design of foundations for new development projects
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|a Journal Article
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|a Construction waste
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|a Tehran
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|a geophysical logging
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|a geotechnical
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|a infilled quarry
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|a Waste Products
|2 NLM
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|a Nabizadeh, Ali
|e verfasserin
|4 aut
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|a Akbarzadeh Kasani, Hossein
|e verfasserin
|4 aut
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| 773 |
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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 40(2022), 3 vom: 20. März, Seite 349-359
|w (DE-627)NLM098164791
|x 1096-3669
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| 773 |
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|g volume:40
|g year:2022
|g number:3
|g day:20
|g month:03
|g pages:349-359
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|u http://dx.doi.org/10.1177/0734242X211052851
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