New Construction Materials: Calcined Paper Sludges as Active Additions

2010 ◽  
Vol 636-637 ◽  
pp. 1222-1227 ◽  
Author(s):  
M. Frías ◽  
Olga Rodríguez ◽  
M.I. Sánchez de Rojas ◽  
S. Ferreiro ◽  
B. Nebreda ◽  
...  
Keyword(s):  
Compressive Strength ◽  
Industrial Waste ◽  
Construction Materials ◽  
Inorganic Compound ◽  
Paper Sludge ◽  
Setting Times ◽  
Cement Manufacture ◽  
Sludge Waste ◽  
New Construction ◽  
Cementing Material

This paper shows the possibility of reutilize paper sludge waste as supplementary cementing material for the cement manufacture. This industrial waste consists essentially of a mixture of organic matter (30%) and inorganic compound, such as calcite and clay minerals. The raw paper sludge does not present pozolanic properties, but once calcined at 650°C during 2 hours, exhibits a good pozolanic activity. Calcined paper sludge was used as partial Portland cement replacements of 0 and 10%. It was a sligth increment in compressive strength for 10 % of substitution from 7 days on. Furthermore, calcined paper sludge reduces the initial and final setting times of cement paste.

Addition of Paper Sludge Waste into Lime for Mortar Production

2015 ◽  
Vol 820 ◽  
pp. 609-614 ◽  
Author(s):  
Afonso Rangel Garcez de Azevedo ◽  
Jonas Alexandre ◽  
Gustavo de Castro Xavier ◽  
Fernando Cesar Coelho França ◽  
Flavio de Andrade Silva ◽  
...  
Keyword(s):  
Mechanical Strength ◽  
Paper Industry ◽  
Construction Materials ◽  
Paper Sludge ◽  
Sludge Waste ◽  
Reducing Costs ◽  
Compressive Tests

Civil construction materials such as brick, concrete and mortar have been incorporated with compatible wastes aiming at both reducing costs and providing an environmentally correct destination for the waste. In the present work, a sludge waste from a paper industry was added in different amounts, up to 20 wt%, into the lime used to produce mortar in mixture with sand and cement. Standard consistency tests of the pasty, as-prepared, mortar as well as flexural and compressive tests of the solid, as-cured, mortar were performed. The results indicated that the addition of up to 10 wt% of paper sludge waste into the lime increased the mortar consistency and up to 20 wt% addition also improved the mechanical strength of the cured mortar.

An Experimental Study on the Compressive Strength of Alccofine with Silica Fume Based Concrete

2016 ◽  
Vol 857 ◽  
pp. 36-40 ◽  
Author(s):  
Kumar S. Rajesh ◽  
Amiya K. Samanta ◽  
Dilip K. Singha Roy
Keyword(s):  
Compressive Strength ◽  
Silica Fume ◽  
Industrial Waste ◽  
Physical And Mechanical Properties ◽  
The Other ◽  
Industrial Wastes ◽  
Cement Replacement ◽  
Cement Manufacture ◽  
Good Improvement ◽  
Compressive Strength Of Concrete

This investigation is focused on the physical and mechanical properties of Alccofine (AF) incorporating silica fume (SF) on M20 grade concrete. Normally, these industrial wastes (SF) are disposed off in landfill. The use of these industrial waste in concrete could reduce waste in the environment as well helps the environment against pollution as it is known that one ton of cement manufacture released one ton of carbon dioxide to the environment .Alccofine is a new replacement material on which very limited research has been done, its effect with flyash has been studied. The current study is a new experimental research undertaken to study the effect of alccofine on SF based concrete. Alccofine was varied in percentages of 0, 5, 10 and 15%, Silica fume was varied in percentages of 0, 5, 10, 15 % The aim of the investigation was to see the effect of alccofine on compressive strength of concrete and do a comparison on 7, and 28 days strength.The results showed that the cement replacement by 10% of alccofine gives higher values when compared with all other mix. The cement replacement by 10% alccofine gave a good improvement in compressive strength. Alccofine has the better performance when compare to the other slag material. It is helpful to make concrete workable

Calcination of art paper sludge waste for the use as a supplementary cementing material

2008 ◽  
Vol 42 (1-2) ◽  
pp. 189-193 ◽  
Author(s):  
Moisés Frías ◽  
Rosario García ◽  
Raquel Vigil ◽  
Sergio Ferreiro
Keyword(s):  
Paper Sludge ◽  
Sludge Waste ◽  
Cementing Material

Study of the effect of alkalis on the slag cement systems

2005 ◽  
Vol 32 (5) ◽  
pp. 934-939 ◽  
Author(s):  
L Zeghichi ◽  
B Mezghiche ◽  
R Chebili
Keyword(s):  
Compressive Strength ◽  
Blast Furnace ◽  
Blast Furnace Slag ◽  
Construction Materials ◽  
Slag Cement ◽  
Steam Curing ◽  
Hardening Process ◽  
New Construction ◽  
Furnace Slag ◽  
By Products

The replacement of natural materials by industrial by-products has given a variety of new construction materials that are economically viable and ecologically beneficial. Blast furnace slag is one of these industrial by-products. Its beneficial proprieties and characteristics have led to rapid growth of production in Algeria and worldwide. This research deals with the effect of alkaline activation of slag cement with clinker. Various agents that activate the process were used for testing, and it showed that compressive strength at 28 d, which reached 150% with respect to compressive strength obtained from slag cement at different percentages of slag (50%–80%), increased considerably. Alkaline activators accelerate hydration and stimulate the hardening process. The results also show the efficacy of steam cured treatment on the compressive strength.Key words: slag cement, activation agent, hydration, hardening, steam curing.

scholarly journals KAJIAN PENAMBAHAN PAPER SULDGE YANG BERVARIASI TERHADAP SIFAT FISIK DAN MEKANIK CEILING BRICK

BANGUNAN ◽  
2020 ◽  
Vol 25 (1) ◽  
pp. 41
Author(s):  
M. Abdul Aziz Kurniawan ◽  
Eko Suwarno ◽  
Boedya Djatmika
Keyword(s):  
Compressive Strength ◽  
Research Method ◽  
Strength Test ◽  
Paper Sludge ◽  
Physical Test ◽  
Water Seepage ◽  
Significant Difference ◽  
Compressive Strength Test ◽  
Sludge Waste

Abstrak:Ceiling brick buangan paper sludge salah satu alternatif membuat pelat lantai, secara ekonomis lebih murah dan memiliki kuat tekan setara dengan beton konvensional K300. Penelitian ini menggunakan metode eksperimen. Terdapat dua jenis benda uji yang digunakan yaitu berbentuk kubus dengan ukuran 5 cm x 5 cm x 5 cm untuk mengetahui kualitas bahan ceiling brick dan benda uji berbentuk produk ceiling brick untuk mengetahui kualitas produk ceiling brick. Variasi paper sludge yang digunakan adalah 2, 4, 6, dan 8 persen. Satu benda uji dilakukan dua pengujian yaitu uji fisik (rembesan air) dan mekanik (kuat tekan). Metode penelitian menggunakan analisa statistik One Way dan dilanjutkan analisis Tukey. Hasil dari penelitian ini adalah (1) Kuat tekan produk ceiling brick dengan campuran paper sludge berurut-urut 0, 2, 4, 6, dan 8 persen sebesar 8.43 MPa, 9.39 MPa, 11.28 MPa, 10.31 MPa, dan 8.30 MPa. Nilai rata-rata rembesan air produk ceiling brick dengan variasi berurut-urut 0%,2%, 4%, 6%, dan 8%, yaitu sebesar 0.35 ml/menit, 0.37 ml/menit, 0.35 ml/menit, 0.42 ml/menit, dan 0.36 ml/ menit. (2) Kuat tekan mortar kubus ceiling brick dengan campuran paper sludge berurut-urut 0, 2, 4, 6, dan 8 persen sebesar 105.66 MPa, 112.67 MPa, 104.20 MPa, 98.55 MPa, dan 105.24 MPa. Rembesan air mortar kubus ceiling brick dengan variasi berurut-urut 0, 2, 4, 6, dan 8 persen, yaitu sebesar 0,59 ml/menit, 0,54 ml/menit, 0,46 ml/menit, 0,27 ml/menit, dan 0,28 ml/menit. (3) Uji kuat tekan dan rembesan air terhadap produk ceiling brick yang telah dicampur paper sludge mengalami perbedaan tetapi tidak signifikan. (4) Uji kuat tekan terhadap mortar kubus ceiling brick yang dicampur paper sludge mengalami perbedaan tetapi tidak signifikan. Sedangkan uji rembesan air tehadap mortar kubus ceiling brick yang dicampur paper sludge mengalami perbedaan yang signifikan. (5) Campuran paper sludge 4 persen pada produk ceiling brick dan campuran paper sludge 2 persen pada mortar kubus ceiling brick menghasilkan kuat tekan optimum.Kata-kata kunci: paper sludge, limbah kertas, ceiling brick, sifat fisik & mekanikAbstract: Paper sludge ceiling bricks are an alternative to making floor plates, are economically cheaper and have compressive strength equivalent to conventional K300 concrete. This research is using experimental method. There are two types of specimens used which are cube shaped with a size of 5 cm x 5 cm x 5 cm to determine the quality of ceiling brick material and specimens in the form of ceiling brick products to determine the quality of ceiling brick products. Paper sludge variations used are 0, 2, 4, 6, dan 8 percent. One test object was carried out two tests, namely physical test (water seepage) and mechanical (compressive strength). The research method uses One Way statistical analysis and Tukey analysis continues. The results of this study are (1) Compressive strength of brick brick products with a mixture of paper sludge in sequence of 0, 2, 4, 6, dan 8 percent at 8.43 MPa, 9.39 MPa, 11.28 MPa, 10.31 MPa and 8.30 MPa. The average seepage value of ceiling brick products with sequential variations of 0, 2, 4, 6, dan 8 percent which is 0.35 ml / minute, 0.37 ml / minute, 0.35 ml / minute, 0.42 ml / minute minutes, and 0.36 ml / minute. (2) Compressive strength of ceiling brick cube mortar with a mixture of paper sludge in a sequence of 0, 2, 4, 6, dan 8 percent by 105.66 MPa, 112.67 MPa, 104.20 MPa, 98.55 MPa and 105.24 MPa. Mortar cube ceiling water seepage with sequential variations of 0, 2, 4, 6, dan 8 percent in the amount of 0.59 ml / minute, 0.54 ml / minute, 0.46 ml / minute, 0.27 ml / minute, and 0.28 ml / minute. (3) The compressive strength and water seepage tests on ceiling brick products that have been mixed with paper sludge experience differences but are not significant. (4) Compressive strength test of ceiling brick cube mortar mixed with paper sludge is different but not significant. While the water seepage test of ceiling brick cube mortar mixed with paper sludge experienced a significant difference. (5) 4 percent paper sludge mixture in ceiling brick products and 2 percent paper sludge mixture in ceiling brick cube mortars produce optimum compressive strength.Keywords: paper sludge, waste paper, ceiling brick, physical & mechanical properties

scholarly journals Properties and Environmental Features of Bricks Made From Textile Waste Sludge

2021 ◽  
Vol 2070 (1) ◽  
pp. 012185
Author(s):  
R Premkumar ◽  
J Khaja mohideen ◽  
M Mathan kumar ◽  
T Sundara moorthi ◽  
X. Celestin
Keyword(s):  
Compressive Strength ◽  
Fly Ash ◽  
Water Absorption ◽  
Construction Materials ◽  
Project Work ◽  
Weight Density ◽  
Sludge Waste ◽  
Textile Sludge ◽  
Quarry Dust ◽  
Curing Age

Abstract In recent years, there has been a lot of attention paid to the use of textile sludge waste-based products in the building industry to develop ecologically friendly construction materials. An experimental examination of the characteristics of bricks incorporating textile sludge waste and fly ash is presented in this work. In fly ash bricks, fly ash is used to replace textile sludge waste in the following proportions: For the blend percentage of cement, fly ash, and quarry dust, a 230mm × 100mm × 75mm sample size was used. For varying amounts of the components indicated previously, the findings indicate how compressive strength and water absorption fluctuate with curing age. Then we can cast bricks with various mixed proportions of cement, sludge waste, fly ash, and quarry dust using the 230mm × 100mm × 75mm specimen size. After that, the weight, compressive strength, and water absorption of textile sludge with different concentrations of fly ash bricks were compared. This inquiry is primarily concentrated on maximizing the compressive strength of newly produced bricks while limiting weight density and water absorption through extensive laboratory work. The recognition of elements influencing the diverse qualities of bricks is a clear purpose of pursuing this issue as project work.

Research of Properties of Modern Construction Materials Based on Industrial Waste, Waste Wood and Metallurgical Industries

2019 ◽  
Vol 802 ◽  
pp. 113-124
Author(s):  
Ruslan Aharonovich Abramov ◽  
Maksim Sergeevich Sokolov ◽  
Svetlana Vyacheslavovna Derevianko
Keyword(s):  
Industrial Waste ◽  
Building Materials ◽  
Raw Materials ◽  
Construction Materials ◽  
Raw Material ◽  
Total Output ◽  
Material Consumption ◽  
Waste Wood ◽  
New Construction ◽  
Materials Used

Material consumption of production of building materials is determined by the amount of raw materials used for their production, to the total output. One of the ways to reduce material consumption is the use of industrial waste as the main raw material for the production of new construction products. Most of the waste generated as a result of the activities of enterprises are man-made raw materials for the production of products such as brick, lime, cement, etc.Given that man-made raw materials are similar to the natural composition and physical properties and even has a number of advantages (heat treatment, increased dispersion, etc.), the manufacture of building materials from it is usually profitable and justified [4, 5].

scholarly journals Improving the Strength Behaviors of Concrete by Adding Different Industrial waste

2020 ◽  
Vol 8 (5) ◽  
pp. 2218-2222
Keyword(s):  
Tensile Strength ◽  
Compressive Strength ◽  
Industrial Waste ◽  
Construction Materials ◽  
Concrete Specimen ◽  
Industrial Wastes ◽  
Fine Aggregate ◽  
Glass Bottle ◽  
Split Tensile Strength ◽  
Glass Material

Industrial wastes mostly dumped into the soil or water sources which will pollute the environment. As a mitigation measure now a days the industrial wastes are used as a construction materials. In this project, industrial waste material such as Glass bottle, Illuminate sludge were used in varying percentage as fine grained substitution and Metakaolin is used as a binding material substitution. M30 concrete mix is used to test the compressive and split tensile strength of the concrete specimens. Cement is replaced with metakaolin in 4, 8, 12, 16 and 20%. Fine aggregate is replaced by illuminate sludge in 25, 50, 75 and 100% and beer glass bottle waste in 10, 20, 30, 40, and 50%.The Glass material does not pollute the environment but storage of waste glass material results wastage of land. Thereby glass powder can be used as a substitution in construction. Then the Illuminate sludge and Metakaolin are the waste from the Titanium Product. The materials to be used for the experiment are collected and the physical properties tests were done as per codal specifications. The experiment is conducted to determine the strength of concrete specimen by adding different industrial waste in various proportions. For every industrial wastes each ratio, three specimens were prepared to find out the compressive and split tensile strength of concrete at 7, 14 and 28 days and finally it was allowed to curing for obtaining the optimum strength of concrete. The substitution of Glass bottle powder waste up to 30%, Illuminate sludge 20% and Metakaolin 8% will give the optimum compressive strength. bottle powder waste up to 30% Illuminate sludge 20% and Metakaolin 8% will give the optimum compressive strength.

scholarly journals Influence of a Chromium-rich Industrial Waste on the Hydration and Hardening Processes of Portland Cements with Slag and Limestone Additions

2020 ◽  
Vol 71 (2) ◽  
pp. 252-261
Author(s):  
Carmen-Lidia Oproiu ◽  
Marius-George Parvan ◽  
Georgeta Voicu ◽  
Alina-Ioana Badanoiu ◽  
Roxana Trusca
Keyword(s):  
Compressive Strength ◽  
Industrial Waste ◽  
Chromium Content ◽  
Potassium Dichromate ◽  
Research Work ◽  
Limestone Filler ◽  
Portland Cements ◽  
Cement Pastes ◽  
Setting Times ◽  
Lower Limits

This research work assesses the influence of a chromium-rich waste (from potassium dichromate manufacture) on the hydration and hardening processes of two types of Portland cements with limestone filler and slag additions. Therefore, mixtures of Portland cement and chromium-rich waste, corresponding to 0.5% wt. and 1% wt. Cr, were prepared and tested. The analyses performed on cement pastes with chromium waste content, showed that chromium immobilization is mainly due to the formation of Ca6Al2Cr3O18�32H2O (CrEt); this compound results by the substitution of [SO4]2- groups from ettringite lattice of with [CrO4]2-. CrEt crystals growth on the surface of clinker particles forms a diffusion barrier which explains longer setting times for cements with chromium content. The increase of chromium content in the studied systems decreases the compressive strength values but these remain above the lower limits imposed for this type of materials. The chromium content in leachates prepared according to the method described in SR EN 12457-2, was well below the legal limit of 70 mg/Kg established by Romanian legislation. A better chromium immobilisation was achieved in the cement with slag content, in good correlation with the nature and amount of formed hydrates.

Early strength gain of mortar with prehydration of the cements

2010 ◽  
Vol 37 (1) ◽  
pp. 125-130
Author(s):  
İlker Bekir Topçu ◽  
Hasan Selim Şengel
Keyword(s):  
Compressive Strength ◽  
Construction Materials ◽  
Practical Method ◽  
Strength Gain ◽  
Setting Times ◽  
Resonance Frequencies ◽  
Heat Released ◽  
Ultrasound Pulse ◽  
Initial Heat ◽  
Ready Mix Concrete

In this study, early hardening and strength gain of mortar samples with prehydration have been studied and effects of prehydrated cement amount and duration on the compressive strength of the mortar have been examined. The compressive strengths and ultrasound pulse velocities, resonance frequencies, bending strengths, and setting times of prepared samples have been determined by conducting tests on 4 cm × 4 cm × 16 cm samples prepared for this purpose at 2, 7, and 28 d. When the setting times are evaluated, the heat released as a result of hydration declines, and the initial heat is reduced. A significant increase in the early compressive strength as an effect of prehydration method has been observed. It is evaluated that prehydration is an economical and practical method that can be enhanced and used in the production of the ready-mix concrete and prefabricated construction materials.

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