Specification for cylindrical metal measures for use in tests of aggregates and concrete

IS 10079 - Scope Summary

Scope (Clause 1.1):
This standard specifies requirements for cylindrical metal measures used in testing:

• Bulk density and voids of aggregates for concrete.
• Weight per cubic metre, yield, cement factor, and air content (gravimetric) of freshly mixed concrete.

Key Specifications (Clause 4.1 & Table 1)

• Dimensions correspond to Fig. 1 in the standard.
• Tolerances where not specified follow coarse class deviation as per IS 2102.

Notes:

• Measures must be cylindrical metal containers with dimensions ensuring accurate volume.
• Used for standard tests as per IS 1199 and IS 2386 (Part III).
• Final test results rounded as per IS 2-1960.

flowchart TD
    A[Start: Testing Aggregates & Concrete] --> B[Use Cylindrical Metal Measures]
    B --> C{Select Capacity}
    C -->|3L, 10L, 15L, 20L, 30L| D[Check Dimensions & Tolerances]
    D --> E[Conduct Tests: Bulk Density, Void, Weight, Yield, Air Content]
    E --> F[

IS 10079: Cylindrical Metal Measures - Key Specifications

Capacities & Dimensions (Table 1, Clause 4.1)

• Inside Height B is adjusted to get the exact capacity.
• Dimensions without specific tolerances follow IS 2102 (Coarse class).

Material & Construction (Clauses 2.1, 3.1, 5.1)

• Material: Mild steel (preferably IS:226-1975).
• Measures must be water-tight and rigid.
• For 15, 20, 30 L: Reinforced top band to ensure wall thickness ≥ 5 mm in upper 40 mm.
• Handles may be provided.

Volume Formula (for verification)

[ V = \pi \times \left(\frac{A}{2}\right)^2 \times B ]

Where:

• (V) = volume (litres; 1 litre = 1000 cm³)
• (A) = inside diameter (cm)
• (B) = inside height (cm)

flowchart TD
    A[Start] --> B[Select Capacity (3,10,15,20,30 L)]
    B --> C[Refer Table 1 for Diameter

IS 10079: Material of Construction for Cylindrical Metal Measures

• Material: Mild steel is specified as the construction material.
• Recommended Standard: Mild steel should conform to IS 226:1975 (Specification for structural steel, standard quality).

Key Dimensions & Thickness (from Table 1, Clause 4.1)

Notes:

• Dimensions without specific tolerances follow coarse class deviations as per IS 2102:1969.
• Height (B*) is adjusted to achieve the exact capacity.
• Thicknesses ensure structural integrity and durability during testing.

graph TD
A[Mild Steel (IS 226:1975)] --> B[Cylindrical Metal Measure]
B --> C[Wall Thickness: Min 2.5 mm]
B --> D[Bottom Thickness: 4-5 mm]
B --> E[Inside Diameter & Height as per Table 1]

Summary: Use mild steel per IS 226, with dimensions and thicknesses from Table 1, ensuring tolerances per IS 2102 for reliable, standardized test measures.

IS 10079: Dimensions for Cylindrical Metal Measures

Key Dimensions & Tolerances (Table 1, Clause 4.1):

• Note: Inside height (B*) is adjusted to achieve the specified capacity.
• Tolerances: Where not specified, use coarse class deviations per IS 2102.

Additional Notes:

• Dimensions correspond to Fig. 1 (not provided here).
• Thickness ensures durability and structural integrity during aggregate and concrete testing.
• Use IS 2102 for allowable dimensional deviations if unspecified.

Summary Diagram (Dimension Relationships)

graph TD
    A[Inside Diameter (A+)] -->|Fixed ± tolerance| Cylinder
    B[Inside Height (B*)] -->|Adjusted for capacity| Cylinder
    C[Wall Thickness (C*)] -->|Min 2.5 mm| Cylinder
    D[Bottom Thickness (D*)] -->|Min 4 - 5 mm| Cylinder

This ensures standardized, accurate volume measurement for concrete and aggregate testing per IS 10079.

IS 10079: Construction - Cylindrical Metal Measures

Key Dimensions & Tolerances (Clause 4.1, Table 1)

• Dimensions correspond to Fig. 1 (not provided here).
• Tolerances follow coarse class deviation as per IS 2102-1969.

Construction Notes:

• Measures must be cylindrical metal containers.
• Inside height is adjusted to achieve the nominal capacity.
• Thickness ensures durability and accuracy in testing aggregates and concrete.
• Compliance ensures reproducibility and repeatability in test results (IS 1199-1959, IS 2386 Part III-1963).

Summary Diagram (Mermaid.js)

graph TD
A[Capacity (litres)] --> B[Inside Diameter (A+)]
A --> C[Inside Height (B*)]
A --> D[Wall Thickness (C*)]
A --> E[Bottom Thickness (D*)]
B & C & D & E --> F[Standard Cylindrical Metal Measure]

Use IS 10079 measures for standardized testing of aggregates and concrete to ensure accuracy and uniformity.

IS 10079: Tamping Rod and Tamping Bar Specifications

1. Tamping Rod (Clause 6.1 & 6.1.1)

• Diameter: 16 ± 0.5 mm
• Length: 600 ± 2 mm
• Material: Mild steel
• Working end: Rounded
• Purpose: Used for compacting concrete in cylindrical measures.

2. Tamping Bar (Clause 6.2 & 6.2.1)

• Cross-section: Square
• Tamping face: 25 ± 0.5 mm square
• Length: 400 ± 2 mm
• Weight: 2 kg
• Material: Mild steel
• Additional: Provided with a handle

Summary Table

These tools ensure uniform compaction of concrete samples in standard cylindrical measures (15, 20, 30 litre capacities).

flowchart LR
    A[Tamping Rod] -->|Diameter 16 mm| B(Rounded end)
    A -->|Length 600 mm| C(Mild steel)
    D[Tamping Bar] -->|Square 25x25 mm| E(Flat tamping face)
    D -->|Length 400 mm| F(Weight 2 kg)
    D -->|Handle| G(Mild steel)

Use these specifications for proper concrete sample compaction per IS 10079.

IS 10079: Marking & Dimensions for Cylindrical Metal Measures

Marking (Clause 7.1)

Each cylindrical metal measure must be clearly and indelibly marked with:

• Manufacturer's name or registered trademark (or both)
• Date of manufacture

Dimensions & Tolerances (Clause 4.1, Table 1)

Note: Height (B*) is adjusted to achieve the exact capacity.

Additional Notes:

• Tolerances for unspecified dimensions follow Coarse Class of Deviation as per IS 2102-1969.
• Dimensions are nominal unless tolerances are specified.
• Thicknesses ensure durability and accuracy in testing aggregates and concrete.

flowchart TD
    A[Metal Measure] --> B{Marking}
    B --> C[Manufacturer Name/Trademark]
    B --> D[Date of Manufacture]
    A --> E{Dimensions}
    E --> F[Inside Diameter ± Tolerance]
    E --> G[Inside Height adjusted]
    E --> H[Wall Thickness ≥ 2.5 mm]
    E --> I[Bottom Thickness 4-5 mm]

This ensures standardization and traceability for reliable testing in concrete and aggregate labs.

IS 10079: Certification Mark & Key Specifications for Cylindrical Metal Measures

Certification Mark (Clause 7.2)

• Cylindrical metal measures may bear the ISI Certification Mark.
• ISI Mark ensures compliance with IS standards under ISI's inspection, testing, and quality control.
• Use of ISI Mark is governed by Indian Standards Institution (Certification Marks) Act.
• Licensing details available from ISI.

Marking Requirements (Clause 7.1)

• Must indelibly mark:
  • Manufacturer's name or registered trademark.
  • Date of manufacture.

Key Dimensions & Tolerances (Clause 4.1, Table 1)

*Dimensions correspond to Fig. 1 in IS 10079.

Notes

• Tolerances follow IS 2102 (Coarse class deviations).
• Measures constructed from standard quality structural steel.
• Capacity accuracy critical for reproducible test results (refer IS 1199 & IS 2386 for test methods).

flowchart LR
    A[Manufacturer] --> B[Produce Cylindrical Metal Measure]
    B --> C[Mark with Manufacturer Name & Date]
    C --> D[Apply ISI Certification Mark (optional)]
    D --> E[Inspection & Testing by ISI]
    E -->

IS 10079: Key References, Dimensions & Specifications for Cylindrical Metal Measures

1. Dimensions & Tolerances (Clause 4.1, Table 1)

• Dimensions correspond to Fig. 1 (not provided here).
• Tolerances follow coarse class deviations per IS 2102-1969.
• Height is adjusted to achieve nominal capacity.

2. Related IS Codes for Reference

• IS 2102-1969: Tolerances for nominal dimensions.
• IS 1199-1959: Methods of sampling and analysis of concrete.
• IS 2386 (Part III)-1963: Tests for aggregates (specific gravity, density, etc.).
• IS 2-1960: Rules for rounding numerical values.

3. Purpose

• Standardizes cylindrical metal measures used in testing aggregates and concrete to ensure accuracy and reproducibility.

Summary Diagram of Dimensions

graph LR
A[Inside Diameter A+] --> B[Inside Height B*]
B --> C[Wall Thickness C*]
B --> D[Bottom Thickness D*]

Note: Use these dimensions strictly for test measures to comply with IS 10079 and ensure test reliability.