Study on Compressive Strength of Quarry Dust as Fine ...

2016-7-28 · The concept of replacement of natural fine aggregate by quarry dust which is highlighted in the study could boost the consumption of quarry dust generated from quarries. By replacement of quarry dust, the requirement of land fill area can be reduced and can also solve the problem of natural sand scarcity. The availability of sand at low cost as a fine aggregate in concrete is not suitable and ...

Critical Grain Size of Fine Aggregates in the View of the ...

2017-12-7 · Depending on the gradation of sand samples, packing density varies, and a mixed sand sample is expected to have a higher packing density. The packing density is the main factor used to determine the viscosity in the Krieger–Dougherty model (Wildemuth and Williams 1984; Khodakov 2004).For mortar, under this research scope, in which the mortar is a suspension of fine aggregate to …

EFFECT OF AGGREGATE GRADATION AND TYPE ON HOT …

2014-6-6 · Fine, medium and coarse gradation mixtures were tested and the effects of variation in the aggregate gradation on mix properties were investigated. 2. Objective and test plan The objective of this study was to evaluate the effect of aggregate type and gradation on Marshall Properties for HMA mixture (specific gravity, stability, flow, and air ...

Performance of self-compacting concrete with …

2019-4-16 · the effect of fine particles (<250 μm) on the rheology of the ... have been done so far on the effects of LF from crushed sand on the durability properties of self-compacting ... Performance of self-compacting concrete with manufactured crushed sand . aggregates Fig. 2 Cumulative size distribution of cement and crushed limestone fines of. the.

An Investigation into the Use of Manufactured Sand as a ...

2016-6-2 · A sand equivalent (SE) test (BS EN 933-8:1999 on the 0/2 mm fraction) was also used, which evaluates the proportion of very fine and clay sized particles in the whole sample. Manufactured and crushed sands will usually have lower SE values than clean natural sands due to the dust of fracture created during the crushing process.

If you are an ASTM Compass Subscriber and this document …

1998-12-1 · Also, the effects of silica and crushed sands (using different values of sand equivalent and passing No. 200 sieve) on water demands of mortar were investigated. A strong correlation was found between the sand equivalent and fine materials passing No. 200 for silica sand, whereas there was no correlation for the crushed sand.

Influence of Aggregate Type and Size on Ductility and ...

2019-9-10 · Instead of microsilica sand, crushed dolomitic limestone sand of angular particle shape and rounded siliceous gravel fine aggregates with two maximum sizes—that is, 1.19 and 2.38 mm (0.047 and 0.094 in.)— were used in the production of nonstandard ECC mixtures. The particle size distribution of fine aggregates is given in Fig. 2. As seen in ...

Effect of use of Silica Sand as Fine Material in Concrete

2015-6-25 · A. Fine Aggregate (IS 2386 (Part-1), (Part-3)) 1) Sieve analysis of Fine aggregate The locally available river sand used as fine aggregate. The properties of sand were determined by conducting tests as per IS 2386 (Part- I). The sieve analysis is conducted to determine the particle size distribution of fine aggregate. The different sieves

Effect of fineness modulus and specific gravity of ...

Request PDF | Effect of fineness modulus and specific gravity of manufactured sand as fine aggregate in mix proportioning of concrete | Concrete is a widely used material in the world. Based on ...

An Experimental Study on Partial Replacement of Sand …

2016-3-3 · 2 Fine Aggregate 615.24 1: 1.61 : 3.15 W/ C = 0.5 3 Coarse Aggregate 1206.48 Casting of the Specimens: In order to study the effect of replacement of sand in various ratio of crushed brick 36 numbers of cube of 150mm size, 36

Clay, Aggregate and Concrete

2017-1-4 · the quality of fine aggregate. Sand Equivalent and Loss by Decantation Tests The sand equivalent (Tex-203-F) and loss by decan­ tation (Tex-406-A) test methods used in this program are given in the Appendix. The sand equivalent test was developed by F. N. Hveem while he was serving as Materials and Research

Effect of coarse aggregates and sand contents on ...

Effect of coarse aggregates and sand contents on workability and static stability of self-compacting concrete Table 2 Chemical composition and physical properties of cement, marble powder, river sand, 3/8 and 8/15 gravel . Analysis (%) Portland cement Marble powder River sand Gravel 3/8 Gravel 8/15 CaO 1.46 55.6 4.73 54.55 48.48 SiO 2

Technical Paper Effects of different fine aggregates on ...

2019-10-18 · Abstract: When a coarse pore-structured fine aggregate with a large water absorption was used for concr- ete with a water-binder ratio of 0.12, unit water content of 135 kg/m3, and sand-aggregate ratio of 55%, the mobility, strength, and elastic modulus of concrete increased, with the autogenous shrinkage becoming extr- emely low.

AGGREGATES (FOR OAHU & MAUI)

2013-2-27 · When using a blend of calcareous sand from the Waiehu area and crushed lava rock fines, the Engineer may grant waiver of the gradation requirement for fine aggregate for concrete. Provide sufficient and acceptable data to show that the concrete made with the fine aggregate will have relevant properties equal to those of concrete made with the ...

Effects of fine aggregates types and contents on ...

2019-11-1 · Effects of fine aggregates types and contents on rheological and fresh properties of SCC. ... reported that passing ability and stability can be controlled by using crushed and dune sand as proportions in binary and ternary systems with river sand. Moreover, Zeghichi et al. ... Sand equivalent:

The effect of fine crushed concrete aggregate on the ...

2020-4-22 · The effect of fine crushed concrete aggregate on the durability of structural concrete DODDS Wayne1,a*, GOODIER Chris1,b, AUSTIN Simon1,c, CHRISTODOULOU Christian2,d, DUNNE David2,e and CHAN Matthew1 1Centre for Innovative and Collaborative Construction Engineering, School of Civil and Building Engineering, Loughborough University, Leicestershire, UK, LE11 3TU

Influence of Aggregate Grain Size on the Formulation of ...

Also, macroscopic studies have also confirmed the viability of using green sand and marble as fine aggregates [23]. On the other hand, studies conducted by (Opara et al. 2018) have also shown that river sand concrete has a higher density and compressive strength than …

Effects of Aggregate Size, Shape, and Surface Texture on ...

gregates, found that the relative proportions of coarse and fine aggregate for maximum stability is a function of the angularity and surface texture of both coarse and fine ag-gregate fractions. Warden and Hudson (12) report the results of a rather extensive study of the grada-tion of natural sand gravel aggregates. A basic gradation for

SAND EQUIVALENT VALUE SOIL & FINE AGGREGATES …

Also, the effects of silica and crushed sands, using different values of sand equivalent and passing No. 200 sieve, on water demands of mortar were investigated. A strong correlation was found between the sand equivalent and fine materials passing No. 200 for silica sand, whereas there was no correlation for the crushed sand.

Effect of Sand Fines and Water/Cement Ratio on Concrete ...

2019-10-29 · the fine aggregate with three different water/cement ratios. Figure 1: Extraction of Fines (Clay/Silt) from Sand. Mixing of concrete: Fines (clay/silt) were initially extracted from sand using dry sieving (Figure 1). During this stage, the sand was first spread and dried in air for some days and sieved with the 600µm sieve.

DIRTY AGGREGATE, WHAT DIFFERENCE DOES IT MAKE?

siliceous fine aggregate was used in all concrete mixes. Both coarse and fine aggregates were washed with a detergent to remove all minus No. 200 mesh material. The desired amount and type of clay was then added to the fine aggregate at the time of mixing. The volumes of coarse aggregate and cement were held constant, and "clean" sand was ad­

Effects of Incorporating Dune Sand as Fine Aggregate ...

The aim of this study is to investigate the effects of incorporating dune sand as fine aggregates replacement in self-compacting concrete. Twelve mixes were cast and tested for both fresh and hardened properties. The mixes were divided into 2 groups: Each group comprised six mixes. The constituent materials were as follows: Normal Portland cement CEM Ι 42,5N, dolomite as coarse aggregates of ...

EFFECT OF AGGREGATE GRADATION AND TYPE ON HOT …

2014-6-9 · from aggregates with gradation passing through or above the restricted zone [10,11]. This means that coarser gradations are expected to perform better than finer gradation. Therefore, this study focuses on the effect of aggregate type and gradation more in detail and investigates the effect of coarse and fine gradation for diffe rent aggregate on

Washing of Aggregates

2016-11-3 · aggregate, e.g. sieving and washing, are required. In this paper, the effect of washing on the material properties, i.e., particle size distribution, specific surface area and sand equivalent value (SE-value), of aggregates from crushed bedrock has been studied. The effect of the washed aggregates

Sand Equivalent – Pavement Interactive

Sand Equivalent Solutions: Stock Solution is a concentrated mixture of calcium chloride in glycerin and is added to distilled water when preparing the working solution used in the test method. One gallon (3.8L) of the stock solution makes over 44 gallons of working …

Alternative Sand: An Inevitable Resource to River Sand

2021-8-23 · Alternative sand can be classified as crushed rock sand (CRS), recycled fine aggregates (RFA), and industrial by-products. Alternative sand or manufactured sand is made from other than natural sources, by processing materials, using thermal or other …

Effect of Blast Furnace Slag Fine Aggregate for Freezing ...

2019-4-3 · Using BFSA The fine aggregates used in this test were BFSA and crushed sandstone sand (density in saturated dry-sur-face condition: 2.64g/cm 3, coefficient of water absorp-tion: 1.8%). Using ordinary Portland cement used as the binder and a W/C ratio of 50%, chloride ion pene-tration was compared with the two fine aggregates.

SAND EQUIVALENT TEST FOR CONTROL OF MATERIALS …

SAND EQUIVALENT TEST FOR CONTROL OF MATERIALS DURING CONSTRUCTION. A TEST METHOD IS PRESENTED WHICH PROVIDES A RAPID METHOD FOR DETECTING THE PRESENCE OR ABSENCE OF DETRIMENTAL FINES OR CLAY-LIKE MATERIALS IN SOILS AND MINERAL AGGREGATES. THE RELATIVE PROPORTIONS OF FINE MATERIAL AND SAND ARE …