Welcome to BNA company!

No. 1688, Gaoke East Road,Shanghai, China.

Call us anytime


Opeening Time

Mon-Sat: 8.30-18.00

What is the weight of a 40-mm coarse aggregate in 1 cubic ...

Answer (1 of 2): 40 mm size aggregate wieght per cum depends upon the type of rock of which the aggregate is made of. But in general, the 40 mm size aggregate may have 1.6 MT to 1.8 MT of wieght in 1 CUM volume. 1.8 is for the high density rocks such as granite etc. Sand stone aggregate found ...

Bulk Density Of Aggregates | Loose And Compact Bulk ...

Bulk Density Of Aggregates. Jalal Afsar July 30, 2012 Concrete Strength No Comments. Bulk density of aggregates is the mass of aggregates required to fill the container of a unit volume after aggregates are batched based on volume. It depends on the packing of aggregate i.e. Either loosely packed aggregates or well dense compacted aggregates.

The Thermal Properties Of Concrete - Civil Knowledges

The Thermal Properties Of Concrete. Thermal properties of concrete are of special concern in structures where thermal differentials may occur from environmental or for any other reason. Knowledge of thermal expansion of concrete is required in the design of mass concrete structures such as the dam, mass repairs, airport runways, port-pavements, expansion, and contraction joints, in the ...

IS 1597-1 (1992): Construction of Stone Masonry - Code of ...

A block of stone or concrete bedded on a wait to distribu the pressure from a concentrated load. 4 NECESSARY INFORMATION 3.24 Plum Stone ( Pin-Header ) Selected long stones embedded vertically in the interior -of masonry wall to form a bond between successive courses. 3.25 Quarry Sap

Importance of Aggregate Gradation of concrete slab

Density of the aggregate gradation for concrete slab The density of the aggregates is required in mixture proportioning to establish weight-volume relationships. Specific gravity is easily calculated by determining the densities by the displacement of water.


maximum density (TMD) and the final in-place air voids are estimated by comparing bulk density of laboratory compacted sampler to the TMD. The two methods that have been used to measure bulk density of asphalt mixture are physical measurements of cores and nuclear gage. The nuclear gage is fast and non-destructive but is not

STONE CALCULATOR [How Much Stone do I Need] - …

Circular Area with Custom Stone and Price Per Unit Mass; Let's say I have a stone not listed in the options for density, with a diameter of 10 feet at a depth of 12 inches. The density of the stone is 100 lb/ft³, and it costs $10 per yd³. I enter these values in the …

Density of Construction Materials in kg/m3 and lb/ft3 ...

Density is also called as unit weight of substance. It is represented by symbol called row ( p). Density represents the degree of compactness of material. If the material is of more density, it is more compacted material. Density is defined as the ratio of mass to volume. p = m/v Units = kg/m 3 or lb/ft 3 Conversion: 1 kg/m 3 = 0.624 lb/ft 3.

What is Concrete? Composition & Types of Concrete - Civil ...

Concrete that has a density lesser than 1920kg/m3 are classified as light-weight concrete. The utilization of lightweight aggregates in a concrete style can provide us lightweight aggregates. Aggregates are the vital part that contributes to the density of the concrete. The samples of lightweight aggregates are stone, perlites, and scoria.

Density of Cement Sand and Aggregate in Kg/m3 | list of ...

Cement density:- generally density of cement is around 1440kg/m3 or it is measured in other unit- their density is 1.440 in g/cm3, 94 in lb/ft3 and 14.40 in kn/m3. The cement mixed with fine aggregate produces cement mortar for masonry, or with sand and gravel produces concrete. Ans. 1440 kg/m3 is density of cement.

Everything You Need to Know About Concrete Strength | Cor-Tuf

Traditional concrete is made of water, cement, air, and an aggregate mixture of sand, gravel, and stone. The right proportion of these ingredients is key for achieving a higher concrete strength. A concrete mixture with too much cement paste may be easy to pour—but it will crack easily and not withstand the test of time.

Concrete | Density, Heat Capacity, Thermal Conductivity

Density of Concrete. Typical densities of various substances are at atmospheric pressure. Density is defined as the mass per unit volume.It is an intensive property, which is mathematically defined as mass divided by volume: ρ = m/V In words, the density (ρ) of a substance is the total mass (m) of that substance divided by the total volume (V) occupied by that substance.


F ORE WORD This report deals with procedures and criteria for the setting of density standards to control compaction during construction of granular base and subbase courses. By Staff The findings, based on extensive laboratory testing, will be of interest to engineers

Weight of Concrete Pavers | Hunker

Concrete pavers offer many advantages, according to Tile Tech Pavers, including low cost, no maintenance and ease of installation. Manufactured under intense pressure for maximum density and strength, pavers are four times stronger than poured concrete of the same thickness.

Density of Reinforced Concrete - Materials

Follow the link if you want to learn more about these differences. With that said, this page will provide you the reinforced concrete density in kg/m³ (SI unit), g/cm³, g/ml, kg/l, lb/ft³. Density of Reinforced Concrete. 𝛒 = 1.7 g/cm³. 𝛒 = 1700 kg/m³.

Density of Cement, Sand and Aggregate, Bulk Density of ...

For reinforced cement concrete work usually, 20 mm size aggregate is preferred. For structural concrete common materials like gravel and crushed stone are used. Also, Read – What is M Sand? Properties, advantages, Disadvantages. Bulk density of Aggregate. It is the weight of aggregate needed to fill a unit volume of the container.

What is the density of stone? - Quora

Answer (1 of 5): Depends on what your stone is: Rock Types and Specific Gravity 1.Granite: 2.6–2.7 gm/cc 2.Dolerite: 3.0–3.5 gm/cc 3. Sandstone: 2.2–2.8 gm/cc 4.Shale: 2.0–2.4 gm/cc 5.Limestone: 2.2–2.6 gm/cc I think that ought to be enough. tl;dr around 2.2–3.0 gm/cc is a good average.


The density of the concrete mix design used to create a concrete masonry unit (CMU or commonly called block) can vary greatly. This Viewpoint addresses the effects that density has on the phys-ical, aesthetic, engineering and economic characteristics of concrete masonry walls.

Density of building materials - TopCivilEngineering

Density of building materials, unit weight or density of any material is define as ratio of weight of that material to the volume of material. Here every kind of material unit weight available. We discuss about density of stone, concrete, timber, metal, mortar, paint, sand, roofing material etc.

Density of Limestone in 285 units and reference information

Limestone weighs 2.711 gram per cubic centimeter or 2 711 kilogram per cubic meter, i.e. density of limestone is equal to 2 711 kg/m³; at 25.2°C (77.36°F or 298.35K) at standard atmospheric pressure.In Imperial or US customary measurement system, the density is equal to 169.2422 pound per cubic foot [lb/ft³], or 1.5671 ounce per cubic inch [oz/inch³] .


The density of a concrete masonry unit is expressed as the oven-dry density of concrete in pounds per cubic foot (lb/ft 3 [kg/m 3]) as determined in accordance with ASTM C140, Standard Test Methods for Sampling and Testing Concrete Masonry Units and Related Units (ref. 2). In production, the density of a given concrete masonry unit is ...

Density of Concrete - The Physics Factbook

Bureau of Reclamation, US Department of the Interior. "Typically, concrete has a density of 150 pounds per cubic foot, which means that a block of concrete that is one foot wide, one foot long, and one foot high would weigh 150 pounds. Water has the density of only 62.4 pounds per cubic foot." 2400 kg/m 3.

Aggregates for Concrete - Memphis

aggregates—sand, gravel, crushed stone, and air-cooled blast-furnace slag—produce freshly mixed normal-weight concrete with a density (unit weight) of 2200 to 2400 kg/m. 3 (140 to 150 lb/ft. 3). Aggregates of expanded shale, clay, slate, and slag (Fig. 5-3) are used to produce struc-tural lightweight concrete with a freshly mixed density

Aggregate - AfriSam

specific application where concrete density is an important factor, eg concrete used for radiation shielding is made from high-density aggregate. In addition, the relative density of the aggregate is used in calculating the absolute or solid volumes of materials in a concrete mix and thus the yield.

Why & How to Use Recycled Crushed Concrete - Superior ...

A layer of smaller, more broken-up crushed concrete as a base will contribute to the stability of the wall. Following with layers of larger recycled concrete packed with dirt will create an even, beautiful retaining wall. Broken Up Concrete for Drainage . Smaller, more broken up concrete is a great drainage alternative to gravel.

Density Of Concrete - How Much Does Concrete Weigh?

A normal weight concrete weighs 2400 kg per cubic meter or 145 lbs per cubic foot (3915 lbs per cubic yard). The unit weight of concrete (density) varies depending on the amount and density of the aggregate, the amount of entrained air (and entrapped air), and the water and cement content.

Type 1 subbase density – Materials Man

For the first time in my life I am measuring densities of compacted type 1 subbase, we are using type 1 as an import backfill material on the Shetlands gas plant. It's 4.5kg (method 3.5 BS 1377)dry density compaction is 2.38T/M3, it is a metamorphic rock whose relative density will be between 2.8/2.9T/M3 and we are achieving densities of 2.26 ...

The Density of Common Rocks and Minerals

The densities of rocks and minerals are normally expressed as specific gravity, which is the density of the rock relative to the density of water. This isn't as complex as you may think because water's density is 1 gram per cubic centimeter or 1 g/cm 3. Therefore, these numbers translate directly to g/cm 3, or tonnes per cubic meter (t/m 3).

Grades of Concrete? Different Grades of Concrete? M10, M15 ...

M30 is also a standard kind of grade concrete.M30 grade is the lowest grade of concrete mix. It is also excellent weather resistant. PROPERTIES OF THE M30 GRADE CONCRETE: M30 concrete is a mix concrete archived at most after 28 days of curing.M30 grade gets specifically designed to file a minimum compressive of 30 MPa approx. 4400 PSI in 28 days.

Density of Coarse Aggregate - GharExpert.com

Density of coarse Aggregate. Following are the density of coarse aggregate. Broken stone ballast. Dry well shaken=1600—1870 kg/cum. Perfectly wet =1920—2240 kg/cum. Shingles 3-38mm=1460 kg/cum. Gravel. Loose = 1600 kg/ cum. Un disturbed =1920-2160 kg/cum.

slab - weight

The weight of a concrete slab can be estimated by computing the volume of the slab and multiplying the volume (V) by the density of the concrete. The volume is simply the area (A = L*W) times the depth (D). The formula for the weight of a slab used in this calculator is: Wt = L•W•D•mD.

Understanding the Density of Concrete • Aggregate Research ...

The density of concrete is a measurement of concrete's solidity. The process of mixing concrete can be modified to form a higher or lower density of concrete end product. A very high density of concrete is that made around steel cables that have been stretched by hydraulic jacks. The concrete is allowed to harden and then the jacks are released.

Mass, Weight, Density or Specific Gravity of Bulk Materials

The density of pure water is also 62.4 lbs/cu.ft (pounds per cubic foot) and if we know that ammonium nitrate has a sg of 0.73 then we can calculate that its density is 0.73 x 62.4 = 45.552 lbs/cu.ft.