Sandcrete blocks were manufactured using a hydraulic press machine and were constructed using mix design ratios of 1: 1: 1.33: 3.33 (Cement: Crushed sand: Stone dust: Gravel sand), 1:1:1.33:3.33 ...
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benefits of using concrete pavement blocks to the walk ways. The study concentrated on M30 grade of concrete by replacement of sand with quarry dust. As per the IS 15658:2006 the paving blocks categorized based on traffic condition. Here the study concentrated on non-traffic category with grade designation as M30. It is need to
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Cement-sand block is a primary construction material used for masonry house units. River sand and cement are the two main ingredients in cement block construction; however, cement is notoriously unfriendly to the environment due to excessive energy consumption during cement manufacture and considerable CO 2 and other greenhouse gas emissions ...
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Total volume of 35 blocks required = 0.502 m 3. Let the number of wheel barrow trips of sand be x. Hence, (volume of 1 bag of cement) + (Total volume of sand) = Volume of 35 blocks Hence, 0.03472 + x(0.065) = 0.502 m 3 On solving, x = 7.1889 unheaped wheelbarrow trips of sand The volume of sand required to make 35 blocks = 7.1889 × 0.065 = 0.46728 m 3 …
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Extensive literature search showed dearth of literature on quarry dust cement blocks in Ghana [23]. ... [32] to ensure the acceptability of the pit sand utilized in the study. The sand used [16] had a specific gravity of 2.60 and a fineness modulus of 2.66. In accordance with BS 882 [33] and BS 8500–2 [34], local pit sand was utilized. The ...
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[Show full abstract] Testing and Materials (ASTM) recommendation while compressive strength tests were conducted on hollow blocks made from quarry dust and river sand samples using the Portland ...
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The present investigation delved into the mechanical performance of fibre-reinforced cement-sand blocks with quarry dust as a replacement for sand. The introduction of fibres and quarry dust in the matrix is an attempt to …
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blocks used coarse gravel while Eco-Friendly Paving Block use 60% of gravel stone and 40% of waste material (tin and plastic) and the coarse gravel used are passing 20mm in size ... used for cement: sand: coarse gravel is 1:2:4 and for Eco-Friendly Paving Block other ratio used that is 1:2: 2.4:1.6 which it represents (cement: dust quarry ...
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The quarry dust is used to sprinkle over the newly laid bituminous road as filler between the bitumen and coarse aggregate and manufacturing of hollow blocks.
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In this study, to compare the performance of cement–sand blocks (CSBs) and earth-cement blocks (ECBs), three different cement:sand and cement:local soil mix ratios were considered for CSBs and ...
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The use of rubber latex increased the block's porosity, hence increasing the block's water absorption [12]. This research on the use of quarry dust to optimize laterite cement blocks focused on reducing the water absorption, increasing the compressive strength, and obtaining an optimum ratio of the mix for the cement laterite blocks.
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cement sand blocks used for single storey houses should have a compressive strength of 1.2 N/mm 2• All the mix Table 1: Development of strength for HMCC blocks with sand and quarry dust (Q.D ...
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In the present study, the quarry dust replacement levels of 0, 33, 66, and 100 % of river sand are used for cement block production. The compressive strength, water absorption, sorption,...
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Different proportions of quarry dust (5%, 10%, 15%, 20% and 25% wt/wt) and rice husk ash (5%, 10%, 15%, 20% and 25% wt/wt) were used for the partial replacement of river sand and cement respectively to produce non-conventional composite samples while conventional composite samples were produced using cement and river sand.
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A series of mix proportions for different ratio of cement:sand:quarry dust were prepared. Five types of mix proportions were practiced in the production of brick specimens were 1:10:0, 1:7.5:2.5, 1:5:5, 1:2.5:7.5 and 1:0:10 (Cement:Sand:Quarry Dust) and denoted as B1, B2, B3, B4 and B5 respectively.
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Singh R, Goel S (2018) Durability evaluation of precast concrete paver block, using steel slag and PET fibres. Indian Concr J 92:80–88. Google Scholar Singh M, Mehla P, Kumar A (2015) An experimental investigation on precast cement concrete paver blocks using fly ash, pp 395–402. Google Scholar
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A comparative study of the quality of sandcrete cement blocks and quarry dust cement blocks ... between the use of quarry dust and the use of pit sand in block . ... at 7 th day was 16.61 MPa ...
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0.16 . 2.2 Mix Ratio . ... Paver block made using plastic waste, quarry dust, ... is utilised in the production of plastic sand paver blocks without the use of cement. In addition to this, basalt ...
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Sandcrete blocks are frequently produced using cement-sand mixtures with a cement-to-sand ratio of 1:6, 1:7, 1:8, or 1:9 and coarse aggregates no larger than 10 mm (when required for concrete blocks). ... Soil retained on it is termed as gravel fraction. A set of British standard (BS) sieves of sizes – 1.0mm, 0.85mm, 0.60mm, 0.50mm, 0.30, 0. ...
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Cement-sand blocks are cost-effective, offering strength ... research interest, with applications explored in concrete, alkali-activated binders, pavements, and brick production [16, 17]. Several factors influence RHA's ... Development of lightweight sand-cement bricks using quarry dust, rice husk and kenaf powder for sustainability.
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Six concrete mixes (M1 to M6) were casted using river sand (M1-control mix) and blending untreated sea sand and quarry dust in varying percentages from 0 to at a step interval of 25%. Workability parameters, slump height and vee-bee time were determined to assess the consistency of mixes.
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A range of 0%, 10%, 15%, 20% and 25% sand replacement with quarry dust was used in the cement: sand mix ratios of 1:6 and 1:8 for molding the blocks of size 450mm x 225mm x 225mm.These blocks were ...
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transportation=Rs.2 16 per ... the use of SCD in concrete paver blocks and found that 50% ... of partial replacement of sand with quarry dust, and cement with fly ash on the concrete compressive ...
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For example, let's calculate the amount of cement, sand, and gravel for the M5 mix to fill one cubic yard of space. Start by calculating the dry volume of the mix. dry volume = 1.0 × 1.54 = 1.54 cu yds. Recall the percentages for this mix are: 1 part cement -> 1/16 = 0.0625 5 parts sand -> 5/16 = 0.3125 10 parts gravel -> 10/16 = 0.625
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The present investigation delved into the mechanical performance of fibre-reinforced cement-sand blocks with quarry dust as a replacement for sand. The introduction of fibres and quarry dust in the matrix is an attempt to achieve higher performance with available cement content and reduce the utilization of natural sand to improve the ...
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Concrete hollow blocks offer a cost-effective, durable, and versatile construction material that has become increasingly popular in recent years. Thanks to their lightweight design and uniform properties, concrete hollow blocks are an ideal choice for residential, commercial, and industrial building projects. They boast high compressive strength, durability, and are an …
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With this past research, alternative walling materials have successfully been developed. For walls, cement stabilized soil bocks [3], chip concrete blocks [4] and slip formed walls [5] can provide ...
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The present study emphasizes the combined use of quarry waste ( substitute for river sand) and fly ash (0, 10, 20, 30 and 40% substitute for cement) for sustainable …
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It can be inferred from the results that using quarry dust powder in concrete blocks as a replacement for fine aggregates is an economic, effective and sustainable method in utilizing the generated waste. ... Hollow Concrete Block: 16 × 8 × 6: 0.43: 0.33: ... Compressive strength of concrete using lateritic sand and quarry dust as fine ...
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Cement Blocks. Driven with perfection, JMC Group has engaged in manufacturing and supplying cement blocks and allied products with its latest hydraulic pressure plant at Hiyare. ... come in a wide variety of shapes and sizes. They are made out of a mixture of highquality cement, sand, gravel and water. When the mixture is wet it is paste-like ...
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Overall performance of concrete paver blocks used is mainly focused by physical properties of materials, water percentage, mixing and curing process. Fine aggregates for paving blocks are …
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This work presents a mathematical model for predicting the compressive strength and water absorption of laterite-quarry dust cement block using augmented Scheffe's simplex lattice design. ... and water absorption of sand-quarry dust blocks using Osadebe's regression model which expresses the response as a function of the proportions of the ...
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This research on the use of quarry dust to optimize laterite cement blocks focused on reducing the water absorption, increasing the compressive strength, and obtaining an optimum ratio of the mix for the cement laterite blocks.
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Sandcrete blocks are still extensively used as masonry units in Nigeria and given the upsurge in the number of block production industries in Calabar and other parts of the country, utilizing quarry dust, laterite and other fine aggregates as partial or full replacement for natural sand, it is, therefore, not out of place to ensure that the products of these industries are of good quality …
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Integral color is mixed with the cement and aggregates to match the color selection offered by the concrete block manufacturer of Castle Rock. Technical Data Castle Rock is manufactured in nominal face dimensions 8″ high x 16″ long in standard thicknesses(4″,8″,12″,etc.).
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The results showed that the highest value of compressive strength test is from a sample of 70% quarry dust of 31.07 N/mm ² which consisted ratio of 1 cement: 1.8 sand: 4.2 quarry dust while for water absorption test, the highest reading was recorded by 0 % sample of quarry dust with a ratio of 1 cement mixture: 5.1 sand of 11.8%.
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days. Water absorption of cement-sand mortar was higher than the cement-quarry dust mortar. Lowest water absorption of 1.26 was obtained from the cement-quarry dust-bacteria mortar at a bacteria concentration of 107cells/ml. In their investigation, Dhananjaya and Basavaraj [13] combined Portland cement, coarse aggregate, sand, quarry dust, lime ...
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International Research Journal of Advanced Engineering and Science ISSN: 2455-9024 119 Poonam Sharma and Manoj Sharma, "Utilization of quarry dust in cement concrete paver blocks for rural roads," International Research Journal of Advanced Engineering and Science, Volume 2, Issue 1, pp. 118-124, 2017. poverty indirectly by raising agricultural wages and lowering
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