Compacting Factor = =11.3/13.4 = 0.843. Comments: For the normal range of concrete the compaction factor lies between (0.8 0.92 ). The value of compactness factor tells us that the workability of concrete is Low but the slump value tells us that the workability is Medium.

20.05.2020· By dividing the value of partially compacted concrete by the value of fully compacted concrete, the compaction factor is calculated and to the nearest second decimal place, it shall normally be stated. Compaction factor = (W1-W) / (W2-W)

Compaction Factor Formula Compaction Factor (CF) = Partially compacted Concrete Weight /Fully compacted Concrete Weight Partially compacted concrete weight Wp = W2 W1 Fully compacted Concrete Weight Wf = W3 W1

Value of Max dry density (MDD) = 2.221 gram/cc = 2221 Kg/ cubic metre Compaction Factor = (Max.Dry Density/Density of Blended Aggregate ) =2.221/ 1.70 =1.307 = 1.30 Hence compaction factor = 1.30 3- How much loose thickness of GSB should be taken to get proper compacted layer thickness ? Compaction factor = 1.30 Thickness of GSB Layer = 150 mm Hence

6.2DETRMINATION OF COMPACTION FACTOR for Material Testing Manual STANDARD •IS: 1199 -1959 (5 •Compaction factor is defined as the ratio of the weight of partially compacted concrete to 3.10DETERMINATION OF STRIPPING VALUE OF AGGREGATES; Earthwork/grading engineering Compaction Factors Eng-Tips Forums

174 行· Assume you are using dry gravel with a swell percentage of 15% and a shrink percentage of

14.05.2017· This test works on the principle of determining the degree of compaction achieved by a standard amount of work done by allowing the concrete to fall through a standard height. The degree of compaction, called the compacting factor is measured by the density ratio i.e., the ratio of the density actually achieved in the test to density of same concrete fully compacted.

15.02.2016· The slump and compacting factor test values shown below are of concretes with 20mm or 40mm maximum size of aggregates. Degree of workability. Slump (mm) Compacting factor & Ad Free! GET VIP MEMBERSHIP NOW! Use for which concrete is suitable. Small apparatus. Large apparatus. Very low 0.78. 0.80. Roads vibrated by power-operated machines. At the more workable end of this

14.09.2019· compaction factor is level of compaction we achieved compare with a standard value which we had achieved in lab testing. Calculation of moisture content in the sample also an important parameter, if the value calculated goes wrong, it will also impact on the compaction factor calculations.

6.2DETRMINATION OF COMPACTION FACTOR for Material Testing Manual. STANDARD •IS: 1199 -1959 (5 •Compaction factor is defined as the ratio of the weight of partially compacted concrete to 3.10DETERMINATION OF STRIPPING VALUE OF AGGREGATES; Earthwork/grading engineering Compaction Factors Eng-Tips Forums. When applying

20.05.2020· Compaction Factor Value. Standard of Workability: 0.95: Good. 0.92. Medium: 0.85: Low . Advantages of Compaction Factor Test: There are the following advantages of compaction factor test such as; In laboratories, suitable for testing workability. For concrete of low workability, this test is suitable. Over a wide range, it is suitable to detect the variation in workability. As compared to the

14.09.2019· compaction factor is level of compaction we achieved compare with a standard value which we had achieved in lab testing. Calculation of moisture content in the sample also an important parameter, if the value calculated goes wrong, it will also impact on the compaction factor calculations. When we find there is something wrong happened in doing testing we should retest it by doing

The compaction factor test is carried out to measure the degree of workability of fresh concrete with regard to the internal energy required for compacting concrete thoroughly.. The compacting factor test is used to find out the low workability of concrete. it is a fact that the slump cone test of concrete is not given accurate results for the low workability of concrete when the slump is <50mm.

25.02.2018· Calculate the compaction factor by below given formula. Calculation: The compaction factor is calculated by dividing the value of partially compacted concrete by the value of fully compacted concrete. i.e Compaction Factor = W1/W2. Conclusion: Value Of Compacting Factor Standard Of Workability 0.95 Good 0.92 Medium 0.85 Low: Also Read Slump Cone Test If You Liked This Article

standard value of compaction factor. Chili 120-150tph Station de concassage mobile de pierre de rivière. Chili 120-150tph Station de concassage mobile de pierre de rivière. Ligne de concassage de minerai de fer du Chili. Papouasie Nouvelle Guinée 250TPH Station de concassage mobile. Cameroun Kefid 30tph station de concassage fix au Caméroun . Guinée Kefid 500tph station de concassage

The soil reference value is expressed as a percentage of density. These values are determined before any compaction takes place to develop the compaction specifications. Modified Proctor values are higher because they take into account higher densities needed for certain types of construction projects. Test methods are similar for both tests. [See Figure 10] Field tests It is important to know

15.11.2017· Compaction factor test Apparatus:-As per IS1199:1999 Compaction factor test apparatus consists of two conical hoppers and a bottom cylinder which is arranged as shown in below fig, steel rod of 1.6cm Diameter with a length of 61cm is used to tamp the concrete and a weight balance is used to weight the concrete. Procedure for compaction factor test:

Value of Max dry density (MDD) = 2.221 gram/cc = 2221 Kg/ cubic metre Compaction Factor = (Max.Dry Density/Density of Blended Aggregate ) =2.221/ 1.70 =1.307 = 1.30 Hence compaction factor = 1.30 3- How much loose thickness of GSB should be taken to get proper compacted layer thickness ? Compaction factor = 1.30 Thickness of GSB Layer = 150 mm

19.09.2016· After compaction, the hot asphalt layer will match the height of the cold mat, assuming that the crew has correctly calculated the compaction rate. Remember, the compaction rate, as a general rule, is about 6 mm (1/4") per 25 mm (1") of screed laid thickness when a vibratory screed is used and about 5 mm (1/5") per 25 mm (1") when a tamping and vibrating screed is used. Always verify the

14.09.2019· compaction factor is level of compaction we achieved compare with a standard value which we had achieved in lab testing. Calculation of moisture content in the sample also an important parameter, if the value calculated goes wrong, it will also impact on the compaction factor calculations. When we find there is something wrong happened in doing testing we should retest it by doing

Standard Guidelines for Compaction Factor Test . Following are the various standard guidelines for performing the compaction factor test of concrete. These are:- IS 1199 1959; ACI 211.3-75 (Revised 1987) BS 1881-103:1993 etc. Compacting Factor Test Apparatus . Compacting factor apparatus is used to perform this test, which consists of the following components:-01. Conical Hoppers (A and B

Ans:- The standard used in slump test is ASTM: C143 and B.S: 1882 part 2, and the standard used in compaction factor test is IS: 1199-1959. 5. What are the main precaution that has to be taken during the both test. Ans:- The precaution that has to be taken are:-(i) Accurate amount of water, cement and sand are to be taken to avoid collapsing of sample. (ii) Maintain the consistency throughout

compaction factor value of quarry dust Solution for ore mining Posts Related to compaction factor for process stone standard value of compaction factor Crusher Dust Volume Compaction grinding mill equipment effective compaction ratio quarry dust. Highway Embankment Design by Using Quarry Dust PDF The detailed properties of Quarry dust used in highway embankments is local soil is replaced by

the standard laboratory compaction test which is developed is commonly called the Standard Proctor Test. According to Proctor, the compaction of a soil mass is dependent on the following four major factors: 1. Soil type, 2. Moisture Content, 3. Compactive effort, 4. Dry density of the soil. Soil type and Moisture content. For a given type of soil and compactive effort, the dry density of a

11.07.2020· Also, with the static compaction method, [22] found that a pressure of around 820 kN/m 2 produced the same compaction curve as that produced using the standard

Procedure to determine workability of fresh concrete by compacting factor test. i) The sample of concrete is placed in the upper hopper up to the brim. ii) The trap-door is opened so that the concrete falls into the lower hopper. iii) The trap-door of the lower hopper is opened and the concrete is allowed to fall into the cylinder. iv) The excess concrete remaining above the top level of the

19.09.2016· After compaction, the hot asphalt layer will match the height of the cold mat, assuming that the crew has correctly calculated the compaction rate. Remember, the compaction rate, as a general rule, is about 6 mm (1/4") per 25 mm (1") of screed laid thickness when a vibratory screed is used and about 5 mm (1/5") per 25 mm (1") when a tamping and vibrating screed is used. Always verify the

27.12.2014· This is a continuation of the previous article I posted How to do a compaction test or In-situ density test, about the calculation of the compaction test report. Here we are going to compute the bulk density of sand down to the degree of compaction of soil.. I would really want to pursue this article just to completely show the full process of getting the results of the test from taking the

standard value of compaction factor Compaction factor test A H M 531 :: The Civil Engineering Center Compaction factor test Objective: To calculate the compaction factor, and to know As a leading global manufacturer of crushing and milling equipment, we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant.

Procedure to determine workability of fresh concrete by compacting factor test. i) The sample of concrete is placed in the upper hopper up to the brim. ii) The trap-door is opened so that the concrete falls into the lower hopper. iii) The trap-door of the lower hopper is opened and the concrete is allowed to fall into the cylinder. iv) The excess concrete remaining above the top level of the

How to Calculate the Soil Compaction Factor By Jack Burton Hygrometer. Standard proctor test weight. Scale. Sand cone device. A building is only as secure as the ground foundation under it. Proper soil compaction ensures that things stay in place after they are built. Whether it's an underground pipe, a sidewalk, a home, or a skyscraper, it all depends upon the soil being stable, and not

Compaction Factor Test • It is more accurate than slump test for concrete mixes and value of compaction factor of 0.75 to 0.8 is suggested as per IS 456-2000. • It is not suitable for concrete of very low workability of 0.7 or below. 6. Compaction Factor Appartus 7. Compaction Factor Test Procedure • The concrete sample is placed in the

23.02.2019· However, the compaction effort does not have any significant effect on the value of optimum moisture content. Now that I have explained the basics of soil compaction and background of the standard proctor test, so let’s move on to the procedure. Standard Proctor Test and Optimum Moisture Content . Standard proctor test is carried out to

standard value of compaction factor Compaction factor test A H M 531 :: The Civil Engineering Center Compaction factor test Objective: To calculate the compaction factor, and to know As a leading global manufacturer of crushing and milling equipment, we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant.

Because of the due to the addition of water dry unit weight of soil increases upto a certain water content value (OMC) and beyond that addition of more water decreases the dry unit weight of soil (as shown in Figure 15.1). This can be also explained by concept of soil structure and electrical double layer theory. Fig.15.1. Compaction curves for clay. Compactive effort: As the compactive effort

D2844/D2844M-13 Standard Test Method for Resistance R-Value and Expansion Pressure of Compacted Soils, V4.08; and therefore the compaction factor was from the same compaction segment in every well. In order to acquire a representative compaction factor of each segment, a regression and fitting procedure was carried out over the porosity and depth of the normal compaction

18.01.1999· The concentration factor takes the values 3, 4, 5 or 6 for ideal (very hard), hard, firm or soft soils, respectively. For a circular contact patch, this equation can be integrated with the parabolas describing the distribution of contact stress to estimate the vertical stress under the centre line. The resulting equations were presented by Smith (1985). There are many limitations to this

Compaction Basics. To be able to make the right equipment decisions, you first need to understand the different types of compaction: Static compaction achieved by applying a heavy load on the

Suggested Compaction Standards for Crushed Aggregate Materials Based on Experimental Field Rolling F.P. NICHOLS, Jr. and HAL D. JAMES, respectively. Highway Research Engineer, and Highway Engineer Trainee, Virginia Council of Highway Investigation and Research, Charlottesville This paper describes field studies undertaken in 1960 and 1961 for the purpose of improving control over the

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