Capillary Active Insulations Based on Waste Calcium Silicates

Břenek, Aleš; Václavík, Vojtěch; Dvorský, Tomáš; Daxner, Jaromír; Dirner, Vojtech; Bendová, Miroslava; Harničárová, Marta; Valíček, Ján

doi:10.1007/978-3-319-19443-1_14

Cited by 11 publications

(9 citation statements)

References 4 publications

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“…applicable) [5]. There are studies, following LCA analysis, which are aimed at possibilities of further product utilization, e.g., into segments of construction materials [6][7][8].…”

Section: Methodsmentioning

confidence: 99%

“…Since then, LCA has been further developed and standardized but its core aim has always remained to understand the overall environmental impacts of a product or system along its full lifecycle (from the extraction of the necessary primary resources, to end-of-life disposal, and recycling where applicable) [5]. There are studies, following LCA analysis, which are aimed at possibilities of further product utilization, e.g., into segments of construction materials [6][7][8].…”

Section: Introductionmentioning

confidence: 99%

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Greenhouse Gas Emission Assessment from Electricity Production in the Czech Republic

et al. 2018

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The paper deals with the computational life cycle assessment (LCA) model of electricity generation in the Czech Republic. The goal of the paper was to determine the environmental assessment of electricity generation. Taking into account the trend of electricity generation from 2000 to 2050, the paper was focused on electricity generation evaluation in this country in view of its current state and future perspectives. The computational LCA model was done using the Intergovernmental Panel on Climate Change (IPCC) method, which allowed the assessment of greenhouse gas emissions. For the assessment, 1 Megawatt hour of the obtained electricity (MWhe) was used as a functional unit. The cradle-to-gate approach was employed. The system boundary covered all the technologies included in the electricity mix of the country. Resulting from the analysis, the solids, lignite in particular, was assessed as an energy source with the most negative impact on the emissions of greenhouse gas. This article results from international cooperation of a Czech-Polish team in the field of computational LCA models. It presents partial results of the team cooperation which serves as a base for following comparison of Czech and Polish systems of electricity generation.

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“…applicable) [5]. There are studies, following LCA analysis, which are aimed at possibilities of further product utilization, e.g., into segments of construction materials [6][7][8].…”

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Greenhouse Gas Emission Assessment from Electricity Production in the Czech Republic

et al. 2018

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“…Because of its chemical composition, the GBFS in concrete results in positive properties when reduces the free lime concentration, and improves the strength of concrete. 23 Table 2 presents the granulated blast furnace slag with above 38% of silicon content, representing up to 95% non-crystalline silica and up to 40% of calcium oxide. Minor components in granulated blast furnace slag are aluminium and magnesium oxides, iron (III) oxide, chlorides, sulphur and less than 1% of alkalis, similar as in Terpakova.…”

Section: Mortar Samplesmentioning

confidence: 99%

“…19,21,22 Concentrations of radionuclides in common building materials and industrial by-products used in building materials in the EU have been studied and presented by several authors. [23][24][25] The maximum activity values obtained in slag for 226 Ra were reported of 2100 Bq/ kg, for 232 Th 340 Bq/kg and for 40 K 1000 Bq/kg.…”

Section: Introductionmentioning

confidence: 99%

Assessment of risk from irradiation originating from mortars with mineral waste addition

Estokova

Singovszká

2021

Indoor and Built Environment

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With the ever-increasing trend of incorporation of various wastes into building materials, monitoring the potential rise in the radioactive load due to used waste is needed. This paper presents the results of our investigation into the radioactivity of cement mortars of various percentage of granulated blast furnace slag (GBFS). The calculated gamma indexes, Iγ, reached 0.19–0.22 and thus did not exceed, in case of any sample, the required level (Iγ = 1) for bulk materials. Indoor gamma absorbed dose, D, ranged from 41.08 to 47.80 nGy/h being lower by 47% than the world average ones are. The excess life cancer risk, ELCR70, obtained for the cement mortars ranged from 0.71 × 10−3 to 0.82 × 10−3 with the average value of 0.75 × 10−3. Linear correlation between the GBSF content and ionizing radiation was found for 226Ra radionuclide, while polynomic correlations have been found for the mass activities of 232Th and 40K radionuclides and the GBSF amount in the cement sample. Findings revealed that the overall 226Ra mass activity of the composite could be predicted based on the measurement of the mass activities of the individual input components.

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“…A legitimate concern resulting from the emergence of these moisture problems is based on situations, where the footing of the foundation structure is exposed to increased moisture caused by malfunctioning waterproofing layer of the substructure. This issue is described in more detailed manner in articles [1,2,3]. In the pursuit of functional design of outdoor thermal insulation, it is necessary to take into account not only the requirements of the thermal technical standards, but also the current actual moisture condition of the structure.…”

Section: Introductionmentioning

confidence: 99%

Energy Remediation Combining Insulation Materials Based on Calcium Silicate and Expanded Polymers

Břenek

Václavík

Dvorský

et al. 2016

MSF

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Energy rehabilitation of buildings using airtight insulating materials based on expanded polystyrene is often accompanied by the formation of moisture problems in the enclosure wall footing. Moisture progress in the rehabilitated structure is simulated using modern moisture transient models in Delphin software. Combinations of the developed plate thermal insulating materials based on calcium silicate and the conventional thermal insulation panels based on expanded polymer have been designed to address the moisture problems. This article describes the function of this solution during the reconstruction of a house built from full clay bricks with malfunctioning waterproofing in the lower house construction.

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Capillary Active Insulations Based on Waste Calcium Silicates

Cited by 11 publications

References 4 publications

Greenhouse Gas Emission Assessment from Electricity Production in the Czech Republic

Greenhouse Gas Emission Assessment from Electricity Production in the Czech Republic

Assessment of risk from irradiation originating from mortars with mineral waste addition

Energy Remediation Combining Insulation Materials Based on Calcium Silicate and Expanded Polymers

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