| Customization: | Available |
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| Certification: | ASTM |
| Usage: | Highway Bridge |
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Pot bearings ensure the transfer of loads between a structure's superstructure and its sub-structure. Meanwhile they can accommodate rotation and movements of the superstructure. AVIDA POT bearings are generally suitable for the use in any type of structure, and can be subjected to low or high loading and frequent movements and rotation.
Pot bearings are designed and manufactured acc. to customer requirements, in accordance with relevant standards such as EN 1337, AASHTO, BS5400 or AS 5100.a.
Inner Structure
Rubber Physical&Mechanical Properties
| Physical Properties | ||||
| Physical Properties | CR | NR | EPDM | |
| Hardness | 60±5 | 60±5 | 60±5 | |
| Tensile Strength/Mpa ≥ | 17 | 18 | 15 | |
| Elongation at Break/% ≥ | 400 | 450 | 350 | |
| brittleness temperature(ºC) ≤ | -40 | -50 | -60 | |
| EN Compression Set(70ºC*24h)/% ≤ | 15 | 30 | 25 | |
| Ozon Resistance(20% elongation, 40ºC*96h) | 100*10-3 | 25*10-8 | 100*10-8 | |
Air Oven Aging(Max change, comparing with datas without aging) |
Test Conditions(ºC*h) | No Crack | No Crack | No Crack |
| Tensile Strength(%) ≤ | 100*70 | 70*168 | 100*70 | |
| Elongation at Break/% ≤ | 15 | 15 | 15 | |
| Hardness Change | 40 | 20 | 40 | |
| Peel Strength between Rubber and Steel(kN/m) ≥ | 0~+10 | -5~+10 | 0~+10 | |
| Peel Strength between Rubber and PTFE(kN/m) ≥ | 10 | 10 | 10 | |
| Mechnical Properties | |||
| Ultimate Compressive Strength Ru(MPa) | ≥70 | ||
| Measure of Compressive Elastic Mould E1(MPa) | E±E*30% | ||
| Measure of Shear Elastic Mould G1 (MPa) | G±G*15% | ||
| Measure of Shear Elastic Mould after Aging G2 (MPa) | G1±G1*15% | ||
| Measure Corner Tangent tgθ | Concrete Bridge | ≥1/300 | |
| Steel Bridge | ≥1/500 | ||
| Measure Friction Coefficient μf (with grease) | ≤0.03 | ||
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