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IS 10566:1983 is the Indian Standard (BIS) for methods of test for preformed fillers for expansion joints in concrete paving and structural construction. This standard details the laboratory test methods for evaluating preformed fillers used in expansion joints of concrete pavements and structures. It provides procedures for critical performance tests such as recovery after compression, water absorption, and durability under weathering, ensuring the material can accommodate structural movements effectively.
Methods of test for preformed fillers for expansion joints in concrete paving and structural construction
Overview
Status
Current
Usage level
Specialized
Domain
Materials Science — Building Construction Practices incl. Painting, Varnishing
! This standard only provides the 'how-to' for testing; the acceptance criteria (pass/fail values) must be referenced from the material specification code, typically IS 1838.
! Strict adherence to sample conditioning, temperature controls, and loading rates specified in the clauses is crucial for accurate and comparable results.
! The tests simulate real-world conditions like compression from thermal expansion, exposure to water, and freeze-thaw cycles that joint fillers experience in their service life.
Standard Test Methods for Preformed Expansion Joint Fillers for Concrete Construction (Nonextruding and Resilient Types)
This is the direct counterpart, detailing test methods referenced by US material specifications.
ASTM D1751/D1751M-18ASTM International, USA
HighCurrent
Standard Specification for Preformed Expansion Joint Filler for Concrete Paving and Structural Construction (Nonextruding and Resilient Bituminous Types)
A material specification for bituminous fillers that uses test methods equivalent to those in IS 10566.
ASTM D1752-04a(2018)ASTM International, USA
HighCurrent
Standard Specification for Preformed Sponge Rubber and Cork Expansion Joint Fillers for Concrete Paving and Structural Construction
A material specification for cork and sponge rubber fillers, covering other material types mentioned in IS 10566.
AASHTO M 213-18AASHTO, USA
HighCurrent
Standard Specification for Preformed Expansion Joint Filler for Concrete Paving and Structural Construction (Nonextruding and Resilient Bituminous Types)
The American Association of State Highway and Transportation Officials standard, largely harmonized with ASTM D1751.
Key Differences
≠IS 10566 combines test methods for multiple filler types (bituminous, cork, rubber) into one standard, whereas ASTM separates test methods (ASTM D545) from material specifications (ASTM D1751, ASTM D1752).
≠Standard laboratory conditioning temperature in IS 10566 is 27 ± 2 °C, reflecting Indian climate, while ASTM standards specify 23 ± 2 °C (73.4 ± 3.6 °F).
≠The weathering test cycle parameters differ. IS 10566 specifies 10 cycles of heating, freezing (-15°C to -12°C), and thawing, while ASTM D545 specifies freezing at -17.8°C for a different duration.
≠Acceptance criteria for key properties like recovery and water absorption vary. For example, IS 10566 requires ≥85% recovery for bituminous fibreboard, while ASTM D1751 requires ≥70%.
Key Similarities
≈Both IS 10566 and its ASTM counterparts are fundamentally designed to evaluate the physical properties of preformed expansion joint fillers for concrete.
≈The core test procedures for Compression, Recovery, and Extrusion are conceptually identical, involving compressing a specimen to 50% of its original thickness and measuring its response.
≈The apparatus and methodology for the extrusion test are very similar, where a specimen is compressed in a mold open on three sides to measure material displacement.
≈The water absorption test in both standards involves a 24-hour immersion of the specimen in water to determine the percentage of water absorbed by volume or weight.
Parameter Comparison
Parameter
IS Value
International
Source
Compression Stress (Bituminous Fibreboard)
0.7 to 2.5 N/mm²
0.69 to 5.2 MPa (100 to 750 psi)
ASTM D1751/D1751M-18
Recovery (Bituminous Fibreboard)
≥ 85%
≥ 70%
ASTM D1751/D1751M-18
Extrusion (Bituminous Fibreboard)
≤ 6.5 mm
≤ 6.4 mm (0.25 in)
ASTM D1751/D1751M-18
Water Absorption (Bituminous Fibreboard)
≤ 15% by volume
≤ 17% by volume
ASTM D1751/D1751M-18
Density (Bituminous Fibreboard)
≥ 250 kg/m³
≤ 416 kg/m³ (26 lb/ft³)
ASTM D1751/D1751M-18
Recovery (Sponge Rubber)
≥ 95%
≥ 90%
ASTM D1752-04a(2018)
Compression Stress (Cork Filler)
0.07 to 1.00 N/mm²
0.34 to 10.34 MPa (50 to 1500 psi)
ASTM D1752-04a(2018)
Weathering Test (Sponge Rubber)
Not specified for this type
Required; shall not develop cracks or separation after 7 days exposure
ASTM D1752-04a(2018)
⚠ Verify details from original standards before use
Key Values6
Quick Reference Values
Compression for Recovery Test50% of original thickness
Duration for Recovery Test24 hours compression, 10 minutes recovery
Rate of loading for Compression Test0.13 to 0.25 mm/min
Duration for Water Absorption Test24 hours submergence
Cycles for Weathering Test10 cycles of freezing and thawing
What is the purpose of the Recovery Test (Clause 4)?+
To measure the ability of the filler to regain its thickness after being compressed, ensuring it maintains a seal within the joint.
What does the Extrusion Test (Clause 6) determine?+
It measures how much the filler material is squeezed out of the joint under compression, which should be minimal to prevent damage or trip hazards.
Which code specifies the acceptable limits for these tests?+
The acceptance criteria (e.g., minimum recovery percentage) are specified in IS 1838. This code, IS 10566, only defines the testing procedure.
What is the Weathering Test (Clause 8) for?+
It assesses the durability of the filler by subjecting it to repeated cycles of freezing, thawing, and boiling to check for disintegration or loss of properties.