compaction factor for crushed stone

Spike's Compaction Factor Calculator

From the first example, the compaction factor = 1.237 based on 15% swell and -7% shrink for this material. Convert 200 cubic feet to cubic yards = 200/27 = 7.4 cubic yards 7.4 cubic yards * 1.237 = 9.15 cubic yards. This 9.15 cubic yards can then be used as an "ESTIMATED" amount of material needed for this job. And that is an "ESTIMATED Amount"!

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Inaccurate Bulking and Compaction Factors | LoadScan®

Typical bulking & compaction factor chart Bulking and compaction factor charts are only generic estimates and potentially have a high error rate. How factor conversion can impact volumes ⇒ 1m³ dry soil (banked) @1.25 bulking factor ⇒ swells up to 1.25m³ (loose) @0.9 compaction factor ⇒ becomes 0.9m³ (compacted)

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Subgrades & Subbases for Concrete Slabs - Concrete Network

A compacted subbase keeps workers out of the mud. Energy Efficient Building Network The only layer that is absolutely required is the subgrade—you have to have ground to place a slab on ground on top of. If the natural soil is relatively clean and compactable, then you can put a slab right on top of it without any extra layers.

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acilities Development ManualF Wisconsin Department of Transportation

asphalt or concrete pavement and requires the excavation of the existing crushed aggregate shoulder prior to ... the following statewide conversion factors are provided ... Table 3.1 Compacted Aggregate Conversion Factors . Bid Item Number Material Bid Item Name Conversion Factor (Tons/Cubic Yard) 305.0110 Base Aggregate Dense 3/4-Inch 1.75 - 2 ...

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Pipe Bedding and Backfill - usbr.gov

Compaction Methods* Dumped - Soil is dumped into place with no compactive effort. Sluicing - Soil is washed into place with a high velocity stream of water. Ponding or flooding - Water is added after soil is placed and until free water stands on the surface. Jetting - A hose or other device, using a high velocity stream of water, is worked

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Soil and Rock - Bulk Factors - Engineering ToolBox

One cubic from the borrow does not translate to one cubic dump. Bulking or swell factors for some materials: 1 kg/m3 = 0.0624 lb/ft3 Example - Swell Factor After excavation of 300 m3 clay with bulking factor 40% - the clay swells to (300 m3) (100% + 40%) / 100% = 420 m3 in the dump. Sponsored Links

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Substation Grounding: Role of Crushed Rock - Voltage Disturbance

Resistivity value of crushed rock depends on many factors such as type of locally available material, size of stone, washed vs un-washed stone (to remove fine material), moisture content, atmospheric contamination, type of water that can make the rocks wet (rain water vs sea water spray) etc.Rock resistivity needs be analyzed prior to application. ...

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Aggregate Base Course | Acme Sand & Gravel

It is placed by means of attentive spreading and compacting to a minimum of 95% relative compaction, providing the stable foundation needed to support a pathway, foundation, driveway or roadway. The Sub-Base is a layer of small chipped aggregate and dust, typically Crushed Fines, which is laid above the ABC on driveways or heavy traffic areas.

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Answer Man: Gravel is an 'impervious surface?' - The Asheville Citizen ...

They can't win. Real answer: "If you look at engineering calculations and the amount of water that does run off gravel driveways, we do consider gravel as an impervious surface," said McCray Coats ...

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Do you need to compact gravel under slab? - Respond-Base

Allow 4 inches for the gravel base and 4 inches for the concrete slab when excavating the soil to a depth of 8 inches. The base in concrete construction is typically made of crushed stone. Most concrete contractors prefer a blend of coarse and fine aggregate to create a compactable base that will be secure for drainage and settlement.

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Technical Note

This memo provides technical support for the use of a porosity of 40%. The major points of the memo are: • 40% porosity is appropriate for the clean, open graded, angular aggregate material StormTech recommends for foundation and embedment. • Most of the porosity data available is based on a compacted condition.

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Section 02235 Crushed Stone and Dense Graded Aggregate (Dga) Part 1 General

Acceptable compac- tion can be achieved with pneumatic-tired and tracked equipment and rollers. 2. All compaction operations shall be performed to the satisfaction of the Utilities Board 3. Crushed stone shall be placed in those areas as directed by the Utilities Board. B. Compacted Dense Graded Aggregate (DGA) 1.

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Impervious Gravel vs. Porous Aggregate Paving Systems

I think it is best to start with a primer on the vernacular. A "good" gravel (Image 1) should have 40 to 70% stone, well-graded from 1/4" to 2-1/2" diameter; 20 to 50% sand; and 10% +/- fines. It should resist abrasion, shed water and be capable of being compacted. A "good" porous aggregate (Image 2) should be poorly-graded from 3/8 ...

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Standard for Pervious Paving Systems

The broken stone bed is placed on an uncompacted earthen subgrade and is used to temporarily store the runoff that moves vertically through the porous asphalt or concrete into the bed. The high rate of infiltration through the porous paving is achieved through the elimination of the finer aggregates that are typically used in conventional paving.

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Calculating Cubic Yards vs. Tons - gsgravel

A cubic yard is a measurement by volume (Or most simply put, a measurement by size) 2. A ton is a measurement by weight. 3. A "/" sign means 'per,' so 1.5 TONS/CY reads 1.5 TONS per Cubic yard which simply means there are 1.5 tons per (for) every cubic yard of material. Fortunately, a cubic yard of material has a conversion factor (unit ...

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Bulking/Swell Factors for Various Excavated/Mined Materials

Loose volume = 8000 * 1.4 = 11200 m³ -> 11200 Loose cubic metres (LCM) The same excavation in feet: Excavated area is 200 feet long 20 feet wide and 2 feet deep with a listed swell of 40% for the material. Bank volume = 200 * 20 * 2 = 8000 ft³ Convert 8000 ft³ to yd³ = 8000/27 = 296 yd³ Loose volume = 296 * 1.4 = 414 yd³

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Two Common Compaction Mistakes, and How to Avoid Them

First thing you'll want to understand is the type of soil you'll be compacting: 1) Cohesive Soil - Clays and clay silts which are hard to break up once dried. They bind in a way that better holds the shape and consistency of the soil. 2) Granular Soils - Mostly gravels and sand with little to no clay.

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Comparative Study on Natural Sand and Crushed Stone Sand

The specific gravity of the crushed stone sand is 2.81 whereas the specific gravity of the natural sand is 2.40.Therefore crushed stone sand has higher specific gravity as compared to natural sand which results in higher density. Due to the higher density, higher degree of compaction is achieved. Workability

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Plate Compactor Basics for the DIY'er - Extreme How To

Once the surface of the excavated area is sufficiently compacted, sub-base material may be added. Typically, a limestone or sandstone sub-base should be placed in 4- to 8-inch lifts with compaction occurring after each lift. Proper compaction should be achieved in three to four passes per lift with a plate compactor.

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Convert Crushed Stone From Tons to m3: Online Calculator

The formula for calculating the volume of crushed stone. Crushed stone 5-10, 5-20 mm: 0.74 cubic meters in one ton. 20-40 millimeters: 0.76 m3. 25-60, 40-70 mm: 0.72 m3. Before making a decision about buying or using crushed stone in construction, you should double-check the variety by checking all the details with your supplier.

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Stone Tonnage Calculator - Rohrer's Quarry

70 Lititz Road, PO Box 365, Lititz PA 17543 717-626-9760. Company Info. About Rohrer's; Employment; Senior Management Team; Safety; Organizations

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Modulus of Subgrade Reaction of Soils - Structville

(1) For a square footing on cohesionless soil (B x B); ksf = ks [ (B + 0.305)/2B] 2 ——- (2) (2) For a rectangular footing on cohesionless soil (B x L) ksf,r = [ ksf (1 + 0.5B/L)]/1.5 ——- (3) (3) For a long strip footing of width B, the coefficient of subgrade reaction is approximately 0.67k sf

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Comparative Study on Natural Sand and Crushed Stone Sand - IJERT

crushed stone sand Keywords— Crushed stone sand, natural sand, physical properties. I. INTRODUCTION Crushed stone sand is a common by-product of mining and quarrying. Rather than being discarded it as a waste material it can be utilized in various construction processes of the pavements. The crusher dust is also known as the M-sand.

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Crushed Concrete & Concrete Aggregate 101 - Superior Groundcover

21AA CRUSHED ASPHALT 21 AA Crushed Asphalt contains oils that cause it to heat faster and bind together, preventing dust. It can be successfully used for roads, driveways, or walkways. 21AA CRUSHED CONCRETE 21AA Crushed Concrete is great for drainage which makes it the right solution in wet areas.

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Research on Mechanical Properties and Influencing Factors of Cement ...

Research on Mechanical Properties and Influencing Factors of Cement-Graded Crushed Stone Using Vertical Vibration Compaction Authors Yingjun Jiang 1, Huatao Wang 1, Kejia Yuan 1, Mingjie Li 2, Ming Yang 2, Yong Yi 1, Jiangtao Fan 1, Tian Tian 1 Affiliations

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Blending of recycled glass and crushed rock in road pavements

The higher maximum dry density for crushed rock is an indication of better compaction, which results in better particle contact and eventually better shear performance of the crushed rock source. The higher CBR value of the crushed rock source can be also attributed to its lower LA abrasion value.

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2A Modified Stone | 2A Gravel Stone Size | Union Quarries

2A Stone Size 2A modified has a top rock size of 1.5 to 2 inches. This aggregate also contains fine stones. PennDOT 2A stone is primarily a clean material. It will compact for stability, and it provides adequate drainage. Call To Order Today Uses for 2A Modified Stone

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How to Compact Pavers without Plate Compactor | Step By Step Guide

Step-12: Cover the paved patio with the same fine sand that you used to make the base. With a broom, spread the sand to fill all the spaces between the paving stones. If you notice an empty spot, add more sand. Step-13: Place a thick towel at the base of the compactor and go over the entire patio.

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What Is #57 Stone? - Dirt Connections

The number "57" is a number that refers to the size sieve that was used to screen and sort the stone. It means that the stone was put through the #57 sieve which produces gravel stones of about 1" to 1.5" in size. #1 crushed stone refers to the largest sized crushed stone. It is about 2″ to 4″ in size.

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-75mm Crushed Limestone - HIND'S

The crushed limestone is spread and compacted to provide a firm base as a site access tracks or in preparation for laying asphalt. Also referred to as "Main Roads Spec", this crushed limestone is compliant to WA Main Roads 501 Specification for roadway preparation.

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Table 3602/1 CRUSHED STONE BASE AND SUBBASE: MATERIAL REQUIREMENTS

Table 3602/1 CRUSHED STONE BASE AND SUBBASE: MATERIAL REQUIREMENTS Material TYPE OF MATERIAL Characteristic G1 G2 G3 Parent Sound rock from an approved Sound rock, boulders Sound rock, boulders or ... COMPACTION Minimum of 88% of apparent Minimum of 85% of 98% or 100% of modified REQUIREMENTS relative density. bulk relative density. AASHTO ...

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Crushed Rock & Roadbase | Boral

Cement Treated Crushed Rock is a mixture of natural or recycled crushed rock, fines, cement and water which is blended under controlled conditions of grading... Unspecified Crushed Rock. A graded material consisting of course and fine aggregates to maximise compaction. Generally supplied when a specification is not required and will be suitable...

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Compaction Equipment and Methods: Compaction of Gravel and Soil

Compaction itself is basically the action of applying a downward force for consolidation, taking larger and smaller materials and letting them fall and work their way into place. There is a risk of over compaction as you could, especially with larger gravel, break the granules down into smaller pieces and destroying the composition of that gravel.

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AGGREGATE CALCULATOR [How Much Aggregate Do I Need?]

We think you will agree when we say that guessing how many pounds of crushed stone your landscaping construction will require is not easy. Estimating by eye is ineffective and can result in you wasting time and money purchasing unnecessary amounts of material. If that sounds familiar, then you need our aggregate calculator.

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Crushed Concrete Hardcore 6F2 - Recycled Concrete Aggregates UK

Product Details: Product: Crush Concrete Hardcore 6F2. Usage: Approx 2.1 Tonnes per cubic metre. Source: Gill Mill. Material: 0/125 Ga 80 Gta 20. Description: Crushed Concrete//Tarmac. Specification: BS EN 13285.

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Limestone Calculator

weight of limestone needed = 3.3 m³ * 2,410 kg/m³ = 7,953 kg Based on our crushed limestone calculations above, you can now call your local supplier for the availability of 7,953 kg of crushed limestone rocks. You can also use our calculator as a limestone driveway calculator to see if our crushed limestone calculations were correct 😊. FAQ

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An Experimental study on Crushed Stone Dust as Fine ... - ScienceDirect

The Narmada River sand is used as NS. (ii) Crushed Stone dust is a fine material formed during the process of conversion of rock into aggregate and has particle size ranging from 4 mm to dust size (> 0.075mm). It was procured from stone crusher plant producing 20 mm downgraded aggregate, M/s Maa Pitambara Stone situated at Neelbad, Bhopal ...

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How much compaction should I get from crushed rock?

You simply won't get as good of a result, as solid compaction as you will by laying down a couple of inches, compacting, then more stone. And you will spend less time compacting each layer anyway. If you do it in layers, it will be clear how much you need to lay down to get your desired depth. Share Improve this answer

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304 - Crushed Stone Subgrade Section 304 Crushed Stone Subgrade 304.1 ...

Contractor's negligence or water in excess of the quantity required for mixing and compacting the crushed stone subgrade. Payment for "Crushed Stone Subgrade" at the contract unit price and "Water (Crushed Stone Subgrade) (Set Price)" at the contract set unit price is full compensation for the specified work. 300-10

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Alliance Gator Stone Bond - Old Station Landscape & Masonry Supply ...

For instance, crushed stone mixes such as 3/8 minus, 1/4 minus or 3/16 minus work well with Gator Stone Bond, where as single size aggregates like 3/8 rock or pea gravel are not suitable. Screenings with extremely high fine content are not suitable either. To ensure compatibility of selected aggregate with GATOR STONE BOND, prepare a test area.

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