IS 1838 Part 1 (1983) specifies the requirements for bitumen impregnated fibre preformed fillers used in expansion joints of concrete pavements and structures. This standard ensures the fillers are non-extruding, resilient, and capable of preventing ingress of water and grit, thus maintaining joint integrity. It applies to manufacturers, engineers, and contractors involved in the design, production, and installation of expansion joint fillers in roads, runways, and building structures.
Overview
IS 1838 Part 1 (1983) specifies the requirements for bitumen impregnated fibre preformed fillers used in expansion joints of concrete pavements and structures. This standard ensures the fillers are non-extruding, resilient, and capable of preventing ingress of water and grit, thus maintaining joint integrity. It applies to manufacturers, engineers, and contractors involved in the design, production, and installation of expansion joint fillers in roads, runways, and building structures.
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Contents
Structure
IS 1838 Part 1 - Scope & Key Specifications
| Dimension | Tolerance |
|---|---|
| Length | ±5 mm |
| Width | ±3 mm |
| Thickness | ±1.5 mm |
| Characteristic | Requirement | Test Method (IS) |
|---|---|---|
| Resistance to handling | No deformation or breakage on twisting/bending | - |
| Recovery | ≥ 70% thickness recovery | IS: 10566-1983 |
| Compression | Load to compress to 50% thickness: 0.7-5.3 N/mm² | IS: 10566-1983 |
| Bitumen loss | ≤ 3% | IS: 10566-1983 |
| Extrusion | ≤ 6.5 mm extrusion | IS: 10566-1983 |
| Water absorption | ≤ 20% | IS: 10566-1983 |
| Density | ≥ 300 kg/m³ | IS: 10566-1983 |
| Bitumen content | ≥ 35% | IS: 10566-1983 |
| Weathering | No disintegration; meets recovery, compression, extrusion | IS: 10566-1983 |
| Penetration of recovered bitumen | 25 to 100 at 25°C | IS: 10566-1983 |
flowchart LR
A[Preformed Filler] --> B[Physical Properties]
B --> C[Recovery ≥ 70%]
B --> D[Compression Load 0.7-5.
IS 1838 Part 1: Materials - Key Specifications & Tables
| Dimension | Tolerance |
|---|---|
| Length | ±5 mm |
| Width | ±3 mm |
| Thickness | ±1.5 mm |
| Characteristic | Requirement | Test Method (IS) |
|---|---|---|
| Resistance to handling | No deformation or breakage on twisting/bending | - |
| Recovery | ≥ 70% thickness recovery | IS: 10566-1983 |
| Compression | Load to 50% thickness: 0.7–5.3 N/mm² | IS: 10566-1983 |
| Bitumen loss | ≤ 3% | IS: 10566-1983 |
| Extrusion | ≤ 6.5 mm extrusion | IS: 10566-1983 |
| Water absorption | ≤ 20% | IS: 10566-1983 |
| Density | ≥ 300 kg/m³ | IS: 10566-1983 |
| Bitumen content | ≥ 35% | IS: 10566-1983 |
| Weathering | No disintegration; meets recovery, compression, extrusion requirements after test | IS: 10566-1983 |
| Penetration of recovered bitumen | 25 to 100 at 25°C | IS: 10566-1983 |
This summary ensures compliance with IS 1838 Part 1 for material quality and testing of preformed fillers in expansion joints.
IS 1838 (Part 1) - 1983: Composition and Manufacture of Bitumen Impregnated Fibre Fillers
| Characteristic | Requirement | Test Method (IS) |
|---|---|---|
| Resistance to handling | No deformation/breakage under normal handling | - |
| Recovery | ≥ 70% thickness recovery before test | IS:10566-1983 |
| Compression | Load to compress to 50% thickness: 0.7 - 5.3 N/mm²<br>Bitumen loss ≤ 3% | IS:10566-1983 |
| Extrusion | Max extrusion ≤ 6.5 mm | IS:10566-1983 |
| Water absorption | ≤ 20% | IS:10566-1983 |
| Density | ≥ 300 kg/m³ | IS:10566-1983 |
| Bitumen content | ≥ 35% | IS:10566-1983 |
| Weathering | No disintegration/delamination; meets recovery, compression, extrusion | IS:10566-1983 |
| Penetration of recovered bitumen | 25 to 100 (at 25°C) | IS:10566-1983 |
flowchart TD
A[Cellular Fibre Strips] --> B[Bonded Strips]
B --> C[Bitumen Saturation]
C --> D[Bitumen Impregnated Fibre Filler]
D --> E[Physical Tests]
E --> F[Resistance to Handling]
E --> G[Recovery]
E --> H[Compression]
E --> I[Extrusion]
E --> J[Water Absorption]
E --> K[Density]
E --> L[Bitumen Content]
E --> M[Weathering]
E --> N[Penetration Test]
This ensures fillers meet durability and mechanical criteria for expansion joints
IS 1838 Part 1 — Dimensions and Tolerances for Preformed Bitumen Fillers
| Parameter | Tolerance |
|---|---|
| Length | ± 5 mm |
| Width | ± 3 mm |
| Thickness | ± 1.5 mm |
| Dimension | Measurement Method | Tolerance |
|---|---|---|
| Length | IS 10566-1983 | ± 5 mm |
| Width | IS 10566-1983 | ± 3 mm |
| Thickness | IS 10566-1983 | ± 1.5 mm |
flowchart LR
A[Preformed Strip] --> B{Measure Dimensions}
B --> C[Length ±5 mm]
B --> D[Width ±3 mm]
B --> E[Thickness ±1.5 mm]
C & D & E --> F[Check Tolerances]
F --> G{Accept / Reject}
This concise overview aligns with IS 1838 Part 1 requirements for dimensional control of bitumen fillers.
IS 1838 Part 1: Physical Requirements Summary
| Dimension | Tolerance |
|---|---|
| Length | ± 5 mm |
| Width | ± 3 mm |
| Thickness | ± 1.5 mm |
flowchart TD
A[Physical Requirements] --> B{Test as per IS 1066-1983}
B --> C[Check Column 3 of Table 1]
A --> D[Dimensions]
D --> E[Length ±5 mm]
D --> F[Width ±3 mm]
D --> G[Thickness ±1.5 mm]
A --> H[Rounding as per IS 2-1960]
For exact physical property values, consult Table 1 in IS 1838 Part 1.
IS 1838 Part 1: Packaging Key Specifications
| Dimension | Tolerance |
|---|---|
| Length | ±5 mm |
| Width | ±3 mm |
| Thickness | ±1.5 mm |
| Characteristic | Requirement | Test Reference (IS) |
|---|---|---|
| Resistance to handling | No deformation or breakage under normal handling | - |
| Recovery | ≥ 70% thickness recovery | IS: 10566-1983 |
| Compression | 7 to 53 kgf/cm² (0.7 to 5.3 N/mm²) at 50% thickness | IS: 10566-1983 |
| Bitumen loss | ≤ 3% | IS: 10566-1983 |
| Extrusion | ≤ 6.5 mm extrusion of free edge | IS: 10566-1983 |
| Water absorption | ≤ 20% | IS: 10566-1983 |
| Density | ≥ 300 kg/m³ | IS: 10566-1983 |
| Bitumen content | ≥ 35% | IS: 10566-1983 |
| Weathering | No disintegration; meets recovery, compression, extrusion after test | IS: 10566-1983 |
| Penetration of recovered bitumen | Between 25 to 100 at 25°C | IS: 10566-1983 |
flowchart TD
A[Manufacturing] --> B[Marking: Name, Size, Type]
B
IS 1838 Part 1: Key Specifications for Marking
| Characteristic | Requirement | Test Reference (IS) |
|---|---|---|
| Resistance to handling | No deformation/breakage on ordinary handling | - |
| Recovery | ≥ 70% thickness recovery | IS: 10566-1983 |
| Compression | Load to compress to 50% thickness: 0.7 - 5.3 N/mm²; Bitumen loss ≤ 3% | IS: 10566-1983 |
| Extrusion | Extrusion ≤ 6.5 mm | IS: 10566-1983 |
| Water absorption | ≤ 20% | IS: 10566-1983 |
| Density | ≥ 300 kg/m³ | IS: 10566-1983 |
| Bitumen content | ≥ 35% | IS: 10566-1983 |
| Weathering | No disintegration; must meet recovery/compression/extrusion post-test | IS: 10566-1983 |
| Penetration of recovered bitumen | 25 to 100 at 25°C | IS: 10566-1983 |
| Dimension | Tolerance |
|---|---|
| Length | ± 5 mm |
| Width | ± 3 mm |
| Thickness | ± 1.5 mm |
This concise summary covers marking, physical requirements, and dimensional tolerances per IS 1838 Part 1. For detailed test procedures, refer to IS: 10566-1983.
IS 1838 Part 1: Sampling and Testing Key Points
| Parameter | Specification |
|---|---|
| Sample size per lot | 1 sample / 100 m² |
| Test pieces per sample | 5 pieces (100 cm x 100 cm each) |
| Acceptance criteria | All 5 test pieces must pass |
| Sampling method | Random |
| Rounding off values | As per IS 2:1960 |
flowchart TD
A[Lot of material] --> B[Select 1 sample per 100 m²]
B --> C[Prepare 5 test pieces (100x100 cm)]
C --> D[Conduct dimensional & physical tests]
D --> E{All 5 pieces pass?}
E -- Yes --> F[Accept lot]
E -- No --> G[Reject lot]
This ensures quality control per IS 1838 Part 1 standards.
Frequently Asked
IS 1838 (Part 1) - Physical Properties for Bitumen Impregnated Fibre Fillers
| Property | Requirement | Reference Test IS Code |
|---|---|---|
| Resistance to handling | No deformation or breakage under normal handling | - |
| Recovery | ≥ 70% thickness recovery after compression | IS: 10566-1983 |
| Compression load | 7 to 53 kgf/cm² (0.7 to 5.3 N/mm²) to 50% thickness | IS: 10566-1983 |
| Bitumen loss on compression | ≤ 3% | IS: 10566-1983 |
| Extrusion | Max 6.5 mm extrusion at free edge | IS: 10566-1983 |
| Water absorption | ≤ 20% | IS: 10566-1983 |
| Density | ≥ 300 kg/m³ | IS: 10566-1983 |
| Bitumen content | ≥ 35% | IS: 10566-1983 |
| Weathering resistance | No disintegration, delamination; maintain recovery, compression, extrusion | IS: 10566-1983 |
| Penetration of recovered bitumen | 25 to 100 at 25°C | IS: 10566-1983 |
Notes:
This ensures the filler maintains durability and flexibility in expansion joints.
According to IS 1838 Part 1 (1983):
Use cellular, bitumen-saturated fibres like soft board, fibre board, or cane, ensuring they meet physical and dimensional standards specified in the code.
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Compression Resistance of Filler (IS 1838 Part 1 - Clause 5.1 & Table 1):
| Parameter | Value |
|---|---|
| Compression Load (min) | 7 kgf/cm² (0.7 N/mm²) |
| Compression Load (max) | 53 kgf/cm² (5.3 N/mm²) |
| Compression Thickness | 50% of original thickness |
| Bitumen Loss (max) | 3% |
| Recovery after Compression | ≥ 70% thickness recovery |
This ensures the filler maintains elasticity and durability under load in expansion joints.
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According to IS 1838 Part 1 (Clause 4.2), the dimensional tolerances allowed for preformed strips are:
| Dimension | Tolerance |
|---|---|
| Length | ± 5 mm |
| Width | ± 3 mm |
| Thickness | ± 1.5 mm |
Measurement method: As per IS 10566-1983.
Additional key points:
These tolerances ensure proper fit and performance in expansion joints for concrete paving and structural construction.
According to IS 1838 Part 1, Clause 6.1:
This ensures the integrity and performance of fillers upon delivery.
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This summarizes the packaging requirements to maintain filler quality during transport.
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