GB/T 33098-2016 in English
VALIDRubber-or plastics-coated fabrics一Determination of seam dead load shear resistance
- Issued on:2016-10-13
- Implemented on:2017-05-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$97.00
《GB/T 33098-2016橡胶或塑料涂覆织物 接缝耐静载剪切性能测试方法》由TC35（全国橡胶与橡胶制品标准化技术委员会）归口，TC35SC10（全国橡胶与橡胶制品标准化技术委员会涂覆制品分会）执行，主管部门为中国石油和化学工业联合会。
Introduction
Background and significance of GB/T33098—2016 standard
GB/T33098—2016 "Test method for static shear resistance of rubber or plastic coated fabric seams" is an important standard for evaluating the static shear resistance of rubber and plastic coated fabrics at seams. This standard is managed by the National Technical Committee for Standardization of Rubber and Rubber Products and is applicable to rubber or plastic coated fabrics and their products.
Comparative analysis of standard framework
| Standard dimensions | GB/T33098—2016 | Related international standards | Difference analysis |
|---|---|---|---|
| Test principle | Apply a constant static load to the seam and measure the slippage or separation. | ISO2231:1989 and other international standards. | GB/T33098 adds a specific calculation method for slippage. |
| Equipment requirements | Static load application device, test chamber (temperature accuracy ±2℃), vernier caliper, etc. | International standard equipment requirements are similar. | GB/T33098 puts forward special requirements for explosion-proof function. |
| Test environment | GB/T2 4 1 3 3 standard environment, adjustment time is not less than 24 hours. | International standards generally require 20-25℃. | GB/T33098 is more stringent, requiring that the test should be completed within three months from the date of manufacture. |
Explanation of professional terms and practical applications
Dead load shear resistance: refers to the ability of the coated fabric seam to resist shear deformation under constant external force. For example, in outdoor tents, the durability and tear resistance of the seam directly affect the product life.
Slippage of seam: The relative displacement of the seam contact surface under the action of dead load shear force. This phenomenon is common in high-strength composite materials.
Technical specification interpretation and implementation suggestions
- Specimen preparation requirements: The specimen width should be 25mm±0.5mm, and the overhang on both sides should not be less than 75mm. Ensure that the same yarn direction is avoided when sampling.
- Equipment calibration suggestions: Regularly calibrate the static load application device and vernier caliper to ensure that the measurement accuracy is within the allowable error range.
- Test environment control: Strictly comply with the GB/T2 4 1 3 3 standard environment requirements, especially when testing under high or low temperature conditions, pay attention to the sample adjustment time.
- Data recording and analysis: It is recommended to use professional software to record and statistically analyze the test results to ensure the accuracy and reliability of the data.
Common problems and solutions in the implementation of standards
- Equipment selection difficulties: It is recommended to use a constant force tensile machine or a lever device, and ensure that it has sufficient loading capacity.
- Specimen slippage treatment: If slippage still occurs after re-clamping the specimen, it is recommended to adjust the test parameters or change the fixture design.
- Material elongation problem: If the material elongation exceeds the allowable range of the test device, consider replacing the appropriate equipment or adjusting the test method.
Technical evolution analysis of the standard
Compared with the old version of the standard, GB/T33098-2016 has achieved technical upgrades in the following aspects:
- Introduced a slip calculation formula to facilitate quantitative evaluation of joint performance.
- Added detailed requirements for test media and temperature.
- Clarified the importance of explosion-proof function under special test conditions.
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