Heavy Compaction Test (ASTM)

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MOQ : 1 Piece

Heavy Compaction Test (ASTM) Trade Information

Minimum Order Quantity
1 Piece

FOB Port
COIMBATORE

Payment Terms
Cash Advance (CA), Cash in Advance (CID)

Supply Ability
1 Piece Per Day

Delivery Time
1 Days

Sample Available
Yes

Packaging Details
COTTON BOX

Main Export Market(s)
Africa, Asia

Main Domestic Market
Uttarakhand, West Bengal, North India, East India, Meghalaya, Haryana, Himachal Pradesh, Jammu and Kashmir, Madhya Pradesh, Maharashtra, Tamil Nadu, Telangana, Tripura, Pondicherry, Uttar Pradesh, Manipur, Andhra Pradesh, Bihar, Chandigarh, Daman and Diu, Goa, Jharkhand, Odisha, Punjab, Assam, Delhi, Dadra and Nagar Haveli, Andaman and Nicobar Islands, Arunachal Pradesh, Chhattisgarh, Rajasthan, Sikkim, All India, South India, Central India, West India, Gujarat, Karnataka, Kerala, Lakshadweep, Mizoram, Nagaland

About Heavy Compaction Test (ASTM)

Specification:

The apparatus consists one each of compaction mould steel, 152.4mmI.D. x 116.4mm height x 2124 cc. volume, complete with collar and base plate

Compaction Rammer is 4.5 kgs. in weight x 18 controlled fall. Face of the rammer is 2

The "Heavy Compaction Test" is ASTM standard D1557 (also known as the Modified Proctor Test), which determines the laboratory compaction characteristics of soil using a 10-lb (4.5-kg) rammer dropped 18 inches (457.2 mm) into a 6-inch (152.4-mm) diameter mold filled with 5 layers and 56 blows per layer, achieving a specific compactive effort of 56,000 ft-lbf/ft. The goal is to find the maximum dry unit weight (MDW) and optimum moisture content (OMC) for a given soil, which is crucial for designing earthfill structures.

Key Specifications for ASTM D1557 (Heavy Compaction Test)

Rammer: 10.00-lbf (44.48-N) mass.
Drop Height: 18.00 in. (457.2 mm).
Mold: 6-inch (152.4-mm) diameter.
Layers: 5 layers of soil.
Blows per Layer: 56 blows.
Compactive Effort: 56,000 ft-lbf/ft (2700 kN-m/m).

Test Procedure & Purpose

The soil is prepared with varying moisture content and compacted in the specified mold using the heavy rammer and blows per layer.
The moist density (or wet unit weight) is calculated for each specimen.
The dry density is then calculated by accounting for the moisture content.
These results are plotted to create a compaction curve showing the relationship between moisture content and dry unit weight.
The maximum point on this curve indicates the maximum dry density (MDW) and its corresponding moisture content, the optimum moisture content (OMC).

Importance

Quality Control:

The test ensures soil is compacted to a desired density for construction projects, such as dams, highways, and runways.
Design:

It provides data to determine specifications and control the quality of compacted earthfill.