Crushed stone dust as a replacement for river sand in self compacting repair mortars – A sustainable solution

2021 ◽  
Author(s):  
V Krishna Rao Mupparisetty ◽  
Faeq Ahmed Mohammed
Keyword(s):  
Crushed Stone ◽  
River Sand ◽  
Stone Dust ◽  
Repair Mortars

scholarly journals Strength Analysis of Concrete Containing Crushed Rock Particles AS Partial and Total Replacement of Sand

2019 ◽  
Vol 8 (4) ◽  
pp. 8092-8099
Keyword(s):  
Environmental Issues ◽  
Tensile Tests ◽  
Crushed Rock ◽  
Experimental Investigations ◽  
Strength Analysis ◽  
River Sand ◽  
Natural Sand ◽  
Conventional Concrete ◽  
Stone Dust ◽  
Compressive Strength Test

In recent past, the demand for natural river sand has rapidly increased for constructional purposes. This high demand led to extraction of sand from river beds. Depletion of natural sand creates the environmental issues and hence sand excavating is restricted by government which resulted in shortage and substantial increase in its cost. In this context, there is a need to recognize reasonable elective material from mechanical waste instead of stream sand. The usage of squashed shake sand which is a waste material has been acknowledged as building material in numerous nations for as long as three decades. In this paper, attempt is being made to replace natural river sand partially and completely with stone dust. The cube compressive strength test and split tensile tests were conducted. Experimental investigations have revealed that the mechanical properties of concrete using stone dust are almost similar to the conventional concrete. Hence the detrimental effects on environment caused due to excessive mining of river sand can be minimized.

scholarly journals Studies on Hexagonal Wire Mesh-Reinforced Crushed Stone Dust

2018 ◽  
Vol 26 (4) ◽  
pp. 20-25
Author(s):  
Subba Rao G.V. Rama
Keyword(s):  
Tensile Strength ◽  
Waste Product ◽  
Wire Mesh ◽  
California Bearing Ratio ◽  
Crushed Stone ◽  
Stone Dust

Abstract Crushed Stone Dust (CSD), which is a waste product from an aggregate crusher, could be used as a pavement layer. To improve the tensile strength of CSD, it is worthwhile reinforcing it. In the present study an attempt has been made to reinforce a loosely and densely compacted CSD layer with Hexagonal Wire Mesh (HWM) placed in various positions. The results indicate that the California Bearing Ratio (CBR) value is improved by the placement of HWM in CSD. Field Rutting studies were also conducted on test tracks made of unreinforced and reinforced CSD layers. The rut depths were significantly reduced due to the inclusion of the reinforcement in the CSD layer.

scholarly journals Effects of Partial Replacement of Fine Aggregate with Quarry Dust on Concrete Properties

2020 ◽  
Vol 4 (1) ◽  
Author(s):  
S.O Ajamu ◽  
I.A Raheem ◽  
S.B Attah ◽  
J.O Onicha
Keyword(s):  
Tensile Strength ◽  
Compressive Strength ◽  
Partial Replacement ◽  
Fine Aggregate ◽  
Replacement Level ◽  
River Sand ◽  
Split Tensile Strength ◽  
Stone Dust ◽  
Concrete Production ◽  
Quarry Dust

Natural river sand is one of the important constituent materials in concrete production while stone dust is a material obtained from crusher plants which is also sometimes being used either partially or fully in replacement of natural river sand in concrete production. Use of stone dust in concrete not only improves the quality of concrete but also conserve the natural river sand. However, due its scarcity and environmental degradation caused resulting from excessive mining of Natural river sand, there is need to investigate an alternative material of the same quality which can replace river sand in concrete production. In the present study, experiments were carried out to study the gradation of aggregates, workability, compressive strength and split tensile strength of concrete made using quarry dust as replacement of fine aggregate at 0, 25, 50, 75, and 100%. Grade M15 of concrete was produced with ordinary Portland cement (OPC) for referral concrete while M25 of concrete was prepared for compressive strength and split tensile strength concrete. Workability and Compressive strength were determined at different replacement level of fine aggregate and optimum replacement level was determined based on compressive strength. Results showed that by replacing 50% of fine aggregate with quarry dust, concrete of maximum compressive strength can be produced as compared to all other replacement levels. The effect of quarry dust on compressive strength and split tensile strength was investigated and from the overall result obtained, it was observed that the compressive strength and split tensile strength increased significantly for all the curing ages from 0% to 50% replacement level of quarry dust. Maximum value obtained for 28day compressive and tensile strength were 25N/mm2 and 2.3N/mm2 respectively and this occurred at 50% replacement.

scholarly journals Effect of Partial Replacement of Crushed Stone Dust Filler with Waste Glass Powder in Hot Mix Asphalt Concrete Production

2020 ◽  
Author(s):  
Destaw Kifile ◽  
Emer Quezon ◽  
Abel Tesfaye
Keyword(s):  
Glass Powder ◽  
Hot Mix Asphalt ◽  
Road Construction ◽  
Waste Glass ◽  
Crushed Stone ◽  
Partial Replacement ◽  
Waste Glass Powder ◽  
Stone Dust ◽  
Concrete Production ◽  
Bitumen Content

The use of waste recycled materials in road construction nowadays considered a positive means of providing improved pavement performance. This research focused on evaluating the effect of waste glass powder as a partial replacement of crushed stone dust filler in hot mix asphalt. Three hot mix asphalt samples produced using crushed stone dust of 5%, 6.5%, and 8% as mineral filler with five different bitumen content of 4%, 4.5%, 5%, 5.5%, and 6%, respectively. From the preliminary series tests of asphalt contents, a 6.5% crushed stone dust filler selected, providing the highest stability of waste glass powder. The content of crushed stone dust filler replaced with a rate of 0%, 25%, 50%, 75%, and 100% to test Marshal stability to obtain the Optimum bitumen content and Optimum filler content. Results indicated at 75% replacement of crushed stone dust with waste glass powder at 5.10% bitumen content, 12.0kN Marshall stability value, 2.84mm Flow value, 4.0% Air voids, 72.3% VFB, and 2.360g/cm3 Bulk density. Hence, the mixture of 75% waste glass powder by weight of crushed stone dust filler meets the minimum requirements of the Ethiopian Road Authority and Asphalt Institute Specifications.

Use of glass waste as mineral filler in hot mix asphalt

2015 ◽  
Vol 22 (3) ◽  
pp. 271-277 ◽  
Author(s):  
Mehmet Saltan ◽  
Betül Öksüz ◽  
Volkan Emre Uz
Keyword(s):  
Hot Mix Asphalt ◽  
Economic Benefits ◽  
Crushed Stone ◽  
World Population ◽  
Mineral Filler ◽  
Glass Bottle ◽  
Continuous Increase ◽  
Use Of Resources ◽  
Stone Dust ◽  
Bitumen Content

AbstractThe use of resources is increasing due to continuous increase in world population and rapid industrialization, while natural resources are being exhausted day by day. Usage of waste materials or by-products in highway construction has substantial environmental and economic benefits. In this study, the usage of cullet and waste glass bottle dust as mineral filler material in hot mix asphalt as an alternate to traditional crushed stone dust was investigated. Optimum bitumen content was determined by the Marshall mix design method by using six different bitumen contents (4.0%, 4.5%, 5.0%, 5.5%, 6.0%, and 6.5%). With the optimum bitumen content, three different mineral filler types (cullet, glass bottle waste, and stone dust) and six different filler ratios (4%, 5%, 6%, 7%, 8%, and 9%) were used to prepare asphalt mixture samples. Samples were performed using the Marshall stability test, and the results were compared. It is concluded that cullet and glass bottle waste can be used in asphalt mixtures as a mineral filler alternate to crushed stone dust if the economic and environmental factors favor it.

scholarly journals Strength Appraisal of Light Weight Green Concrete Made with Cold Bonded Fly Ash Coarse Aggregate

2019 ◽  
Vol 8 (3) ◽  
pp. 5381-5385
Keyword(s):  
Fly Ash ◽  
Coarse Aggregate ◽  
Crushed Stone ◽  
Artificial Light ◽  
Fine Aggregate ◽  
Light Weight ◽  
River Sand ◽  
Manufactured Sand ◽  
Fly Ash Concrete ◽  
Coarse Aggregates

This study focusses on the development of fly ash concrete made with water/cement ratio of 0.5.To develop fly ash concrete in this study, 40% of cement is replaced with fly ash, manufactured sand is used as fine aggregate, light weight fly ash aggregate as used coarse aggregate and for mixing concrete instead of tap water 12% lime concentrated water is used. The fly ash concrete compressive strength obtained is equivalent to that of M30 grade concrete made with OPC. Two sets of samples are prepared one set with 40% fly ash concrete made with river sand and natural crushed stone coarse aggregates and another set of sample with 40% fly ash concrete made with manufactured sand and artificial light weight fly ash coarse aggregates. Experimental studies revealed that use of manufactured sand enhanced compressive, tensile and flexural strengths by 6-8% only. Even permeation properties such as water absorbtion and porosity of fly ash concrete made with manufactured sand and artificial light weight fly ash coarse aggregates is almost similar to that of fly ash concrete made with made with river sand and natural crushed stone coarse aggregates. The results conclude that fly ash coarse aggregates can be used for structural applications instead of natural coarse aggregates but not feasible for use in pavement as per IS 2386. Manufactured sand can be used as 100% replacement to river sand in fly ash based concretes with improved properties of concrete

scholarly journals Sustainable development: Using stone dust to replace a part of sand in concrete mixture

2020 ◽  
Vol 331 ◽  
pp. 05001
Author(s):  
Gidion Turuallo ◽  
Harun Mallisa ◽  
Nicodemus Rupang
Keyword(s):  
High Strength ◽  
Cement Composite ◽  
Concrete Mixture ◽  
River Sand ◽  
Natural Sand ◽  
Maximum Percentage ◽  
Concrete Mixtures ◽  
Stone Dust ◽  
Stone Industry ◽  
Good Workability

Stone dust is a waste material produced in stone crusher industry. Stone dust produced from the crushed stone industry is quite numerous. PT Mega Beton Jaya is a stone crushed industry, which is located in Buluri, Palu, has difficulty in providing a location to accommodate the waste of stone dust. In addition, the community around this industry is quite worried with the waste ash as the air around the industry contaminated with the stone ash. This study aims to find out the maximum percentage of stone dust to substitute sand in a concrete mix to obtain the maximum strength and good workability. The cement used throughout this work was Portland cement composite (PCC) produced by PT Semen Tonasa, the sand was taken from Palu river, while the stone dust and coarse aggregate were taken from PT Mega Beton Jaya stone crushed industry. The percentages of stone dust replacing sand were varied from 0, 20, 30, 40, 60, 80 and 100% to find out the maximum percentage of stone dust to replace sand from river to produce the maximum compressive strength of concrete. The results of this research showed that the maximum percentage of stone dust, which could replace river sand in concrete mixture was 40% with the strength 15% higher than that of concrete with natural sand only. The higher the percentages of stone dust, which were used to replace a part of sand in concrete mixtures resulted the lower slump of concrete. In addition, the replacing natural sand with stone dust higher than 20% produced the value of slump for both normal and high strength concretes lower than those concretes with natural sand only.

Effects of crushed stone dust on some properties of concrete

1996 ◽  
Vol 26 (7) ◽  
pp. 1121-1130 ◽  
Author(s):  
Tahir Çelik ◽  
Khaled Marar
Keyword(s):  
Crushed Stone ◽  
Stone Dust
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