Çimento Esaslı Dış Cephe Kaplama Malzemelerinin Üretiminde Kompozit Bileşenli Harçların Teknik Değerlendirilmesi

Şapci, Nükhet

doi:10.31202/ecjse.904032

El-Cezeri Fen Ve Mühendislik Dergisi

2021

DOI: 10.31202/ecjse.904032

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Çimento Esaslı Dış Cephe Kaplama Malzemelerinin Üretiminde Kompozit Bileşenli Harçların Teknik Değerlendirilmesi

Nükhet Şapci¹

Abstract: Binaların dış cephelerinde son yıllarda özellikle mimari tasarım açısından kaplama malzemesi kullanımı giderek yaygınlaşmaktadır. Bugün inşaat sektöründe kullanılan ve dekoratif taş olarak da isimlendirilen bu kaplama malzemelerinin, birim ağırlıklarının yüksek olması nedeniyle ısı yalıtım amaçlı kullanımları pek öngörülmemektedir. Ayrıca birim ağırlıklarının yüksek olması, binaların ölü yükünü daha da artırması nedeniyle deprem sistematiği açısından da oldukça riskli durumlar oluşturmaktadır. Bu nedenle bu ma… Show more

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Cited by 3 publications

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An Analysis on the Use of Modified Expanded Perlite and Pumice in Inorganic Bonded Fibrous Composite Boards

Gündüz,

Kalkan

2024

Eskişehir Technical University Journal of Science and Technology a - Applied Sciences and Engineering

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It is often stated that there is an energy efficiency difference between optimum energy use and actual energy use in the world. In the construction industry, various building materials are produced and used to optimize energy efficiency in buildings. Among these building materials, inorganic bonded fibrous composite boards, whose energy efficiency criteria have begun to be improved, are widely used both in Türkiye and in the world. This article presents an experimental analysis of the utilization of modified expanded perlite and pumice as key constituents in the development of inorganic bonded fibrous composite boards. The study investigates the influence of these modified porous materials on the physical, mechanical, and thermal properties of the composite boards. For this purpose; composite mortars were produced using micronized quartz sand, a hybrid fiber consisting of cellulose and glass fiber, modified expanded perlite (MEP) with stearic acid (1, 2, 3, 4, 5, 6, 7, 8, 9 wt.%) and modified pumice (MPU) with stearic acid (1, 2, 3, 4, 5, 6, 7, 8, 9 wt.%). In order to make a comparison, a control mortar that did not contain modified expanded perlite and modified pumice was produced. Through a series of experiments, it is concluded that the density values of all other mixture designs with MEP and MPU aggregate additives under equivalent conditions are lower than the control sample. The water absorption values of the samples always remained below the control sample, and with the increase in the MPU ratio and decrease in the MEP ratio, the water absorption values of the samples also decreased. The average modulus of rupture (MOR) value of control sample in the analysis made after 14 days of curing under ambient conditions is 3.73 MPa. The highest MOR value of the test samples is 3.51 MPa, which is the mixture using the highest MPU. The thermal conductivity value of the control mixture is 0.352 W/mK. The thermal conductivity value of test mixtures with MEP and MPU aggregates varies between 0.175 W/mK and 0.287 W/mK.

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An Analysis on the Use of Modified Expanded Perlite and Pumice in Inorganic Bonded Fibrous Composite Boards

Gündüz,

Kalkan

2024

Eskişehir Technical University Journal of Science and Technology a - Applied Sciences and Engineering

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An analysis of the effectiveness of new generation self-levelling lightweight composite screed for underfloor heating systems

KALKAN

Gündüz

2023

Journal of Sustainable Construction Materials and Technologies

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In recent years, energy saving has become a topic of great concern due to increasing carbon emissions and environmental pollution. When examined from a global perspective, it is known that the energy consumed for heating and cooling of buildings is quite high. In this regard, researchers attach great importance to energy efficiency issues. In recent years, an issue that has been given importance in heating buildings more efficiently is underfloor heating systems. Underfloor heating systems are simply a composite structure consisting of slab concrete, insulation material, hot water pipes and screed. Here, the thermal performance of the screed is vital as the hot water pipes remain embedded in the screed. In this study, a new type of composite and self-levelling screed that can transfer heat easily has been produced. For this purpose, a total of nine different screed mixtures were prepared, one of which was a reference (nearly conventional) screed mortar. In terms of physical properties, flowability, density and compressive strength of the screed mortars were determined. In terms of thermal properties, thermal conductivity, specific heat, thermal diffusivity and heat storage analyses were carried out. In the second stage of the study, a basic underfloor heating system was installed and the temperatures of the water circulating in the system, the outer surface of the pipe carrying the water and the outer surface of the screed were measured at certain periods. According to the results of the study, it has been observed that depending on the thermal properties of the screeds produced within the scope of this study, when used in underfloor heating systems, it can transfer heat from the hot water pipes to the surface with minimum losses.

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Vermikülit Agreganın Kompozit Yapılı Hafif Harç Üretiminde Kullanımı Üzerine Teknik Bir Analiz

ÇAPUN¹,

Şapci

2022

Dicle Üniversitesi Fen Bilimleri Enstitüsü Dergisi

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Son yıllarda doğal ve hafif agregaların inşaat endüstrisinde kullanımı giderek yaygınlaşmaktadır. Özelikle hafif agregalarla üretilen kompozit yapıda yalıtım amaçlı hafif harç uygulamaları günümüzün önemli konularından birisi haline gelmiştir. Bu bağlamda, bu çalışmada hafif agrega kategorisinde değerlendirilebilecek ülkemizde rezerv potansiyeli olan, ancak sadece tarım sektöründe kullanımı bilinen Vermikülitler ana hammadde olarak kullanılmıştır. Çimento esaslı Vermikülit agregalı polimer katkılı harç karışım tasarımları yapılarak bir dizi sıva numunesi üzerinde analizler yapılmıştır. Ayrıca deneysel çalışmada teknik mukayesenin yapılabilmesi için bu örnekler vermikülit agregalı polimer bileşensiz hazırlanan kontrol örnekleri ile analiz sonuçları karşılaştırılmıştır. Elde edilen bulgulara göre polimer bileşenli kompozit harç örneklerinin sırasıyla, kuru birim hacim ağırlık değerleri 560 kg/m3- 659 kg/m3 arasında, basınç dayanım değerleri 0,94 N/mm2-1,81 N/mm2 arasında, kapiler su emme oranları 0,328 kg/m2dak0.5-0,249 kg/m2dak0.5, ısı iletkenlik katsayıları ise 0,083 W/mK-0,094 W/mK olarak ölçülmüştür. Kontrol örneklerinde ise sırasıyla teknik bulgular 780 kg/m3, 2,64 N/mm2, 1,620 kg/m2dak0.5, 0,156 W/mK olarak belirlenmiştir. Bu sonuçlar bize ısı işlem görmüş vermikülit agreganın özellikle polimer katkı ile kullanımları durumunda, birim hacim ağırlığı düşük ısı yalıtımlı kompozit harç üretimlerinde değerlendirilebileceğini göstermiştir.

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Çimento Esaslı Dış Cephe Kaplama Malzemelerinin Üretiminde Kompozit Bileşenli Harçların Teknik Değerlendirilmesi

Cited by 3 publications

References 2 publications

An Analysis on the Use of Modified Expanded Perlite and Pumice in Inorganic Bonded Fibrous Composite Boards

An Analysis on the Use of Modified Expanded Perlite and Pumice in Inorganic Bonded Fibrous Composite Boards

An analysis of the effectiveness of new generation self-levelling lightweight composite screed for underfloor heating systems

Vermikülit Agreganın Kompozit Yapılı Hafif Harç Üretiminde Kullanımı Üzerine Teknik Bir Analiz

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