UTILIZATION OF CRUSHED STONE DUST AS A …
Swelling and the optimum moisture content with an increase in MDD& CBR with an increase of crushed stone dust.A considerable amount of cost savings is also possible when the expansive clay soil is stabilized with crusher dust. Keywords: expansive sub-grade soil, crushed stone dust, stabilization, cbr, swelling index, cost 1. INTRODUCTION
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Influence of granulometry, cement content, and moisture in the
The Cemented Crushed Stone (C2, as the South African Classification) was widely used on the main high-traffic Brazilian highways in the 1970s and 1980s.
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ITEM P-209 CRUSHED AGGREGATE BASE COURSE
particles of crushed stone or crushed gravel and shall be free from excess coatings of clay, silt, organic material, clay lumps or balls or other deleterious materials. The method used to produce the crushed gravel ... optimum moisture content as determined by ATM 207 or ATM 212. Maximum density refers to maximum
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optimum moisture content of crushed stone
Graph of dry density against moisture content as seen in figure 2, was plotted to obtain the maximum dry density (MDD) and the optimum moisture content (OMC) of the crushed stone sample. The maximum dry density of the sample was observed at 23.45kN/m3 which occurred at an optimum moisture content of 5%. After
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Fines inclusion in a crushed limestone unbound aggregate base course
The optimum moisture content ranges from 5.9% to 8.6% as shown in Fig. 6. The configuration with dust ratio of 0.6 ... As it can be observed, the data of this study suggested three zones of high, medium, and low strength for the crushed stone aggregate material according to the percent passing the No. 200 sieve and dust ratio. The zone labeled ...
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Determination of Maximum Dry Density and Optimum …
The water content corresponds to this point is called the Optimum water content (O.W.C) or optimum moisture content (O.M.C). Fig.4. Compaction Curve of Soil. The graph shown in figure-3 is the compaction curve. Initially for a water …
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Experimental Study on Mechanical Properties of Cement
Also the optimum moisture content (OMC) and maximum dry density (MDD) are dependent on the cement content and almost independent of the crushed stone waste content. The CBR increased significantly as the crushed stone waste and cement contents increased under both soaked and unsoaked conditions, but these had little effect on the UCS at curing ...
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Bulletin Trail Surface Aggregate (TSA)
All TSA material is to be derived from natural stone formations. Stone is defined as rock that has been crushed; ... •Optimum Moisture: Material is to be delivered and placed at optimum moisture content as determined for that particular source. The optimum percentage
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Low-dose cement stabilized large particle size graded crushed stone
The maximum dry density and the optimal moisture content, respectively, are the vertical and horizontal coordinates of the peak point values on the curve. The maximum dry density and optimum moisture content values of LCS-LPS-GCS with 1.5 %, 2.0 %, 2.5 %, and 3.0 % cement are summarized in Table 5.
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Influence of granulometry, cement content, and moisture in the
The objective of this study was to analyze the mechanical properties of Cemented Crushed Stone from the variation of granulometric ranges, cement content, and moisture content. Two granulometric ranges were used, the irst based on Brazilian standards, called A, and the other, called B, established according to the speci ication of the Republic ...
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Effect of Portland Cement Treatment of Crushed Stone Base …
Crushed Stone Base Materials as Observed From Triaxial Shear Tests E. G. FERGUSON and J. M. HOOVER, Iowa State University The objective of this study was to observe and evaluate a num ... Optimum moisture content, • .,; dry soil weight 10. 8 7. 6 9. 3 Dry denalty, pcf 126.0 140. 5 IS0. 6 Modllled AASHO-ASTM density
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The Effect of Stone Content, Size, and Shape on the Engineering
The clay-stone mixtures were then compacted by standard Proctor method to determine maximum dry density, optimum moisture content, and void ratio of each mix. Additionally, permeability and unconfined compressive strength tests were conducted on mixtures compacted to a minimum of 95 percent maximum dry density and at ±2 percent optimum water ...
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Effect of Size and Gradation of Crusher Stone and Crusher …
Compaction characteristics of crusher dust under modified compaction test have an Optimum Moisture Content of 11% and Maximum Dry Density of 2.02 g/cc. From the compaction curve it …
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Long term performance of gravel base course layers in asphalt pavements
Inspection of the test results shows variations of the maximum dry unit weight and optimum moisture content among the investigated base layer aggregates. The range of γ dmax is between 134.31 and 147.36 lb/ft 3. The optimum moisture …
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Standard Proctor Moisture Density Relationship of Soils
maximum, or Proctor density and the corresponding optimum moisture content. G. One-Point Procedure 1. Grade material other than crushed stone, gravel, black soils, or soils containing a considerable amount of aggregate may be tested for maximum density and optimum moisture according to this procedure.
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Dry shrinkage performance of cement-stabilized reclaimed lime …
Optimum moisture content of CSR mixture is higher and maximum dry density is lower. ... The early lime and fly ash-stabilized crushed stone base was commonly known as reclaimed lime-fly ash macadam (RLFM) [5], [6], and the main material is a 35–70-mm coarse-grained stone with open gradation and high voids. The mass of lime and fly ash ...
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base course aggregate compaction
4. 7% OMC (optimum moisture content) seems a bit on the high side for pavement base courses I have used. It would suggest that you are not using crushed stone aggregate and that your base course material is a bit on the sandy side - or, forbid, the base course has significant fines that might be clayey in nature (high PI). 5.
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Properties of Crushed Red‐Bed Soft Rock Mixtures Used in …
stone, argillaceous siltstone, iron-stain argillaceous calcare- ... rocks are crushed directly by machine instead of preslaking. ... and optimum moisture content. en, the resilient modulus test, California Bearing Ratio (CBR) test, and permeability test were carried out with di …
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Subgrade Soil Stabilization Using Stone Dust and Coarse
The impact of addition of 20% stone dust on engineering properties of an expansive soil was investigated and it was observed that the CBR value and MDD value of the expansive soils increased by 35% and 5% respectively while the Atterberg limits and optimum moisture content decreased which in turn enabled the soil to be used in subgrade . The ...
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Driving Surface Aggregate
mixture of crushed stone developed specifically as a surface wearing course for unpaved roads. DSA has a ... Upon delivery to the site, material shall be well mixed and placed at optimum moisture content or up to 2% below that value as determined for that particular source . The optimum percentage moisture is to be
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Mechanical response and damage evaluation of cement …
The maximum dry density of the cement stabilized macadam mixture was 2.261 g/cm³, with a cement content (added externally) of 4.5 %, and an optimum moisture content of …
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Experimental Study on Mechanical Properties of Cement
crushed stone were performed to study the effect of curing time, soaked and unsoaked conditions and freeze-thaw cycles on the geotechnical characteristics of cement-stabilized specimens. The results indicate that crushed stone waste can be combined with cement as a stabilizer to improve soil properties. Also the optimum moisture content (OMC) and
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CBR vs. density of G1 crushed stone (Semmelink).
Investigations have been done into how GGBS and lime mixture affect technical properties such as unconfined compressive strength, CBR test, optimum moisture content, maximum dry density, and ...
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Strength characteristics of crushed gravel and limestone aggregates
The secant friction angles of B samples of CA 6 crushed limestone was greater by about 9%, 9%, and 8% compared to the similar samples of crushed gravel at the first, second and third stages of triaxial tests, respectively. Thompson and Smith [37] also showed using CA 6 gradation, the crushed stone had higher strength than crushed gravel ...
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optimum moisture content of crushed stone.md
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Effect of Size and Gradation of Crusher Stone and Crusher …
added to crushed stone and parameters like compaction strength were studied. from the test results it is identified that the gradations of crushed ... modified compaction test have an Optimum Moisture Content of 11% and Maximum Dry Density of 2.02 g/cc. From the compaction curve it can also be seen
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sbm optimum moisture content of crushed stone.md
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Are compaction tests of #610 crushed stone reliable??
You asked, "Are compaction tests of #610 crushed stone reliable?" The answer is yes. If a proctor, either D698 or D1557, can be performed on the material then in-place density tests can be performed on it. ... If you put a heavy vibratory roller on the material and the material is at or near optimum moisture content you can get 98%, but you ...
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FLEX BASE PROPERTIES
Type A – Crushed stone, higher-quality base. Type B – Crushed or uncrushed gravel, areas with gravel as a local material. Type C – Crushed gravel, +60% with 2 or more crushed faces. Type D - Allows use of Type A or crushed concrete (where economically feasible). Type E – Caliche, …
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Item 247 Flexible Base
Crushed stone produced and graded from oversize quarried aggregate that originates from a single, ... Bring each layer to the moisture content directed. When necessary, sprinkle the material in accordance with Item 204, "Sprinkling." ... optimum moisture content as determined by Tex-113-E. Measure the moisture content of the material in .
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