Performance of mussel shell as aggregate in plain concrete

Martínez-García, Carolina; González-Fonteboa, Belén; Martínez-Abella, Fernando; Carro-López, Diego

doi:10.1016/j.conbuildmat.2016.09.091

Cited by 173 publications

(126 citation statements)

References 13 publications

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“…One exothermic and two endothermic peaks are observed in the DTA of the green formulation (Figure ). Exothermic peak at 307°C corresponds to degradation of the organic compounds in the mussel shell . The first endothermic peak at 573°C corresponds to alpha‐beta transformation for quartz in granite sludge, while the one at 808°C is due to decomposition of calcium carbonate and it is accompanied by a 5% of weight loss due to CO 2 release.…”

Section: Resultsmentioning

confidence: 99%

Ferrimagnetic wollastonite ceramics based on waste valorization

Gonzalez-Triviño

Benítez‐Guerrero

Moreno

et al. 2018

Int J Applied Ceramic Tech

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Industrial residues may be considered as an economic and environmentally friendly option for the manufacture of ceramic materials for civil and energy engineering. In this work, granite sludge, mussel shells and glass cullet were used to produce a ceramic material that presents high hardness (HV = 5.57 GPa) and fracture toughness values (KIC = 1.78 MPa·m1/2) as well as soft ferrimagnetic behavior. The presence of wollastonite confers characteristics typical of porcelain stoneware (σ = 64 N/mm2, WA = 0.361%) to the final products.

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Section: Resultsmentioning

confidence: 99%

Ferrimagnetic wollastonite ceramics based on waste valorization

Gonzalez-Triviño

Benítez‐Guerrero

Moreno

et al. 2018

Int J Applied Ceramic Tech

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“…The elemental composition of the alloy is given in Table 1. Mussel shell contains biomineralized CaCO 3 as the majority of its chemical composition by weight [25,26]. The stir casting process is adopted to fabricate the composites considering its economic advantage, simplicity and flexibility with the selection of materials and processing parameters, overall production of the low-cost composite are targeted.…”

Section: Methodsmentioning

confidence: 99%

“…The observed peaks were analyzed using Panalytical-High Score plus version 3.0e software. It has been reported that the shell's core structure is made of calcite while aragonite is present as building blocks of the structure [20,24,25]. Other peaks are accounted due to the presence of impurities in the outer part of the shell, mostly in the form of quartz (SiO 2 ) and possibly Larnite (Ca 2 SiO 4 ) and Rankinite (Ca 3 Si 2 O 7 ).…”

Section: Xrd Of Mussel Shellmentioning

confidence: 99%

Fabrication and dry sliding wear study of Al6061/mussel-shell particulate composites

Dwiwedi

Srivastava²,

Chopkar

2019

SN Appl. Sci.

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Considering the combination of the good physical-mechanical property of mussel shell (MS) and its bulk availability at low processing cost, in present work an attempt has been made to use it as reinforcing particulate material for fabricating Al6061/MS composite through stir casting route. The composite is fabricated with 2, 4, 6, 8 and 10 weight percent (wt%) of mussel shell reinforcement. Microstructural characterization revealed the fair distribution of particles in the matrix. Fabricated matrix with 6 wt% mussel shell has shown the maximum hardness and wear resistance beyond that adverse effect has been quantified. Linear regression analysis helped in establishing the relationship between independent variables of load, sliding distance and reinforcement volume in wt% to calculate wear loss and wear rate. Analysis of variance helped to confirmed that incorporation of MS particulates significantly contributing to the improvement of the wear properties.

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“…Literatürde farklı özeliklere sahip deniz kabukları ile ilgili bir çok çalışma bulunmaktadır. Bu çalışmaların bir kısmı deniz kabuklarının öğütülerek çimentoda kullanımı [3][4][5][6] yada betonda ince agrega [7][8][9][10] veya iri agrega olarak kullanılması [11][12][13][14] ile ilgilidir. Deniz kabuklarının çimentoda kullanımı konusundaki çalışmalarda genellikle öğütülerek çimentonun genelde %20'sini aşmayacak şekilde ikameler yapılarak basınç dayanımları incelenmiştir.…”

Section: Introductionunclassified

Deniz Kabuğunun Beton Basınç Dayanımına Etkilerinin Araştırılması

Aydın¹

2019

acperpro

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ÖzetÜlkemizin etkin deprem kuşağı etkisinde olması yapıların güvenirliği açısından büyük önem arz etmektedir. Büyük 1999 Marmara depremi sonrasında, özellikle kıyı kesimlerinde bulunan bölgelerde, mevcut yapı stokunun güvenirliği tartışılır hale gelmiştir. Geçmiş yıllarda denize yakın bölgelerde inşaa edilen yapılarda kullanılan betonun, karışımında deniz kabuğu ve deniz kumu kullanımının beton dayanımına etkisi toplumda büyük bir endişe oluşturmuştur. Bu nedenle betonda kullanılan agreganın içeresinde bulunan deniz kabuğu bileşenlerinin beton dayanımını nasıl etkilediğinin bilinmesi önemlidir.Bu çalışmada deniz kumu ve deniz kabuğunun beton basınç dayanımına etkileri araştırılmıştır. Deniz kumunun hacimce %3'ü ve %6'sı oranlarında deniz kabuğu ikameli betonlar üretilmiştir. Düşük ve normal dayanımlarda üretilen betonların referans betonlara göre basınç dayanımlarındaki kayıp oranları belirlenmiştir. Yapılan testler sonucunda deniz kabuğu ile hazırlanan beton numunelerin referans betonlara göre normal dayanımlı betonlarda %26, düşük dayanımlı betonlarda ise %45 oranında basınç dayanımlarının azalabileceği tespit edilmiştir. AbstractThe fact that our country is under the influence of the earthquake zone is of great importance for the reliability of the buildings. After the 1999 Marmara earthquake, the reliability of the existing building stock became questionable, especially in the coastal areas. The effect of the use of seashells and sea sand in the concrete of coastal structures on concrete strength has been a major concern in society In the past years. Therefore, it is important to know how the seashell contained in the aggregate used in concrete affects the concrete strength.In this study, the effects of sea sand and seashell on the compressive strength of concrete were investigated. Concretes with seashells were produced at a rate of 3% and 6% by volume of sea sand. The loss rates of the compressive strengths of the concrete produced at low and normal strengths compared to the reference concrete were determined. As a result of the tests, it was determined that compressive strength of sea shell concretes could be reduced by 26% in normal strength concrete and 45% in low strength concrete compared to reference concrete.

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Performance of mussel shell as aggregate in plain concrete

Cited by 173 publications

References 13 publications

Ferrimagnetic wollastonite ceramics based on waste valorization

Ferrimagnetic wollastonite ceramics based on waste valorization

Fabrication and dry sliding wear study of Al6061/mussel-shell particulate composites

Deniz Kabuğunun Beton Basınç Dayanımına Etkilerinin Araştırılması

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