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IS 7344 : 1974bamboo tent poles

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ISO 19624 · ISO 22156 · ISO 22157
CurrentSpecializedSpecificationMaterials Science · Timber and Timber Stores
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OverviewValues4InternationalTablesFAQ3Related

IS 7344:1974 is the Indian Standard (BIS) for bamboo tent poles. This standard specifies the requirements for materials, dimensions, manufacture, workmanship, finish, and testing of bamboo tent poles. It covers different types of poles such as ridge poles, wall poles, and corner poles used in various types of tents.

bamboo tent poles

Overview

Status
Current
Usage level
Specialized
Domain
Materials Science — Timber and Timber Stores
Type
Specification
International equivalents
ISO 19624:2018 · ISO (International Organization for Standardization), SwitzerlandISO 22156:2021 · ISO (International Organization for Standardization), SwitzerlandISO 22157:2019 · ISO (International Organization for Standardization), Switzerland
Typically used with
IS 401IS 709
Also on InfraLens for IS 7344
4Key values1Tables3FAQs
Practical Notes
! Ensure bamboo is well-seasoned to a moisture content below 20% to prevent fungal growth and splitting.
! The standard differentiates between ridge, wall, and corner poles, which have distinct dimensional requirements outlined in Table 1.
! Verify that poles are free from defects like insect attack, decay, splits, or cracks before acceptance.
Frequently referenced clauses
Cl. 3MaterialCl. 4Dimensions and TolerancesCl. 5ManufactureCl. 6Workmanship and FinishCl. 8Marking
Pulled from IS 7344:1974. Browse the full clause & table index below in Tables & Referenced Sections.
bambootimber

International Equivalents

Similar International Standards
ISO 19624:2018ISO (International Organization for Standardization), Switzerland
HighCurrent
Grading of bamboo culms
Defines visual grading criteria for bamboo culms based on defects, which aligns with the material quality requirements of IS 7344.
ISO 22156:2021ISO (International Organization for Standardization), Switzerland
MediumCurrent
Bamboo — Structural design
Provides the engineering design framework for bamboo structures, covering aspects like material resistance and durability, which are principles underlying a product spec like IS 7344.
ISO 22157:2019ISO (International Organization for Standardization), Switzerland
MediumCurrent
Bamboo structures — Determination of physical and mechanical properties of bamboo culms — Test methods
Specifies test methods to determine bamboo properties, which is the scientific basis for the empirical requirements in IS 7344.
Key Differences
≠IS 7344 is a prescriptive product standard, defining specific dimensions, types (A, B, C), and finishes for tent poles. ISO standards are performance-based, providing methods for grading, testing, and structural design without specifying a final product's dimensions.
≠IS 7344 explicitly recommends Indian bamboo species like Dendrocalamus strictus. ISO standards are species-agnostic, requiring the user to test and verify the properties of the specific bamboo species being used.
≠IS 7344 mandates a specific type of preservative treatment (CCA or ACC) by referencing other Indian standards (e.g., IS 401). ISO 22156 provides general guidance on achieving durability and recommends preservation but does not prescribe specific chemical treatments, leaving it to national regulations.
≠IS 7344 is a standalone specification for a finished good. The ISO standards form a system: ISO 19624 for grading raw material, ISO 22157 for testing it, and ISO 22156 for designing a structure with it.
Key Similarities
≈Both the IS code and ISO 19624 place strong emphasis on selecting mature, sound bamboo culms and set limits on defects like cracks, insect damage, and decay.
≈Both standards recognize the necessity of seasoning (drying) bamboo to an appropriate moisture content to ensure dimensional stability and prevent fungal growth, although the specified methods and target values differ.
≈Both standards include requirements for the straightness of the pole/culm, acknowledging its importance for structural performance and usability.
≈Both standards require that all nodes and branches be trimmed smoothly to provide a clean, usable surface, preventing injury and ensuring a proper fit for connections.
Parameter Comparison
ParameterIS ValueInternationalSource
StraightnessDeviation from straightness shall not exceed 40 mm over a 3 m length.Graded by deviation per meter; Grade A requires <10 mm/m, Grade B allows 10-25 mm/m.ISO 19624:2018
Preservative TreatmentMandatory treatment with Copper-Chrome-Arsenic (CCA) or Acid-Cupric-Chromate (ACC) composition as per IS 401.Recommends preservation based on use case and biological hazard class; does not mandate specific chemicals.ISO 22156:2021
Material DefectsPoles must be free from splits, cracks, rot, and live borer/termite attack.Culms are graded (A, B, C) based on the size, location, and density of defects such as borer holes and cracks.ISO 19624:2018
Dimensional SpecificationPrescribes specific lengths and top/butt diameters for different pole types (e.g., Type A: 5.5 m length, 75 mm butt dia, 50 mm top dia).Does not prescribe product dimensions; provides methods for measuring diameter, wall thickness, and taper as inputs for grading and design.ISO 19624:2018
Seasoning RequirementShall be properly seasoned either by air or kiln drying.Requires determination of moisture content; design strength values are modified based on 'dry' or 'wet' service conditions.ISO 22156:2021
Material AgeShall be felled when mature (not less than 3 years old).Maturity is a key factor in visual grading, typically requiring culms to be at least 3 years old.ISO 19624:2018
⚠ Verify details from original standards before use

Key Values4

Quick Reference Values
Minimum age of bamboo culm at felling3 years
Maximum permissible moisture content20 percent
Types of poles coveredRidge poles, wall poles, and corner poles
Specified bamboo speciesSolid male bamboo (Dendrocalamus strictus Nees)

Tables & Referenced Sections

Key Tables
Table 1 - Dimensions of Bamboo Tent Poles
Key Clauses
Clause 3 - Material
Clause 4 - Dimensions and Tolerances
Clause 5 - Manufacture
Clause 6 - Workmanship and Finish
Clause 8 - Marking

Related Resources on InfraLens

Cross-Referenced Codes
IS 401:2001Code of Practice for Preservation of Timber
→
IS 709:1974Specification for Medium Strength Aircraft Pl...
→

Frequently Asked Questions3

What type of bamboo should be used for tent poles according to this standard?+
The standard specifies the use of sound, solid (or nearly solid) male bamboo (Dendrocalamus strictus Nees) of at least 3 years' maturity (Clause 3.1).
What are the key requirements for the finish of the poles?+
The poles should be reasonably straight, smooth, and free from sharp edges. Outer skin should not be removed, and all knots should be dressed flush with the surface (Clause 6).
Does this standard specify preservative treatment?+
Yes, if specified by the purchaser, the poles shall be treated with a wood preservative in accordance with IS 401 (Clause 5.2).

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