Brand Name: | HRBY |
---|---|
material: | CR, NR, EPDM |
color: | black |
Size: | as customers' requirements |
application: | shock-absorbing support |
Model Number: | 007 |
Place of Origin: | China (Mainland) |
standard: | CE EN 1337-3 or ASTM D4014 |
Quick Details
Specifications
Description
Steel Reinforced Elastomeric Bearings for Highway and Bridge is made of multilayer Neoprene/EPDM/natural rubber and sheet steel after inlay, conglutinate, vulcanization. It has enough vertical stiffness to support vertical load, and it could deliver the pressure of superstructure to abutment.
Application
Steel Reinforced Elastomeric Bearings for Highway and Bridge is finding ever increasing application in today's construction industry-as local load carrying components. It can be used for steel structures, pre-cast concrete structures, standard concrete slabs, etc. this type of bearing is particularly effective in the presence of camber and rotation causing high stress loading on the bearings. this type of bearings provide an excellent economic solution for applications where structure movements, longitudinal, transverse and rotational are small, provide vibration isolation and are generally simple to install.
Features
Our Steel Reinforced Elastomeric Bearings for Highway and Bridge has good elasticity to adapt to turning of beam end.
Elastomeric bearings bears and transmit vertical load & allows movement in any direction in the horizontal plane and allows rotation about any axis in horizontal plane.
3. It has bigger shearing deformation to content horizontal displacement of superstructure.
4. It has simple structure, easy installation, saving steels, low price, easy and convenient conservation and change and so on.
Technical performance:
Items |
Index | |||
Material |
CR |
NR |
EPDM | |
Tensile Strength MPa (kgf/cm2) |
17.0 |
18.0 |
15.0 | |
Hardness (shore A) |
605 |
605 |
605 | |
at break % |
400 |
450 |
350 | |
TEnsile set at break % |
25 |
25 |
25 | |
Compression set % |
15 |
30 |
25 | |
TEnsile bond strength between rubber & steel plate MPa (kgf/cm2) |
3.0 |
3.0 |
3.0 | |
Brittleness temperature |
-40 |
-55 |
-60 | |
Constant compression deformation%(7022h) |
25 |
25 |
25 | |
Air aging
|
Testing Conditions h |
10072 |
70168 |
10070 |
Variation in hardness (shore A) |
0-10 |
0-10 |
0-10 | |
Tensile StrengthChange rate (Mpa) |
-10 |
-15 |
-10 | |
Elongation at break change rate % |
-30 |
-20 |
-20 | |
Ozone AgingIPPM30100h |
No crack | |||
Bending fatigue |
No crack after bending 610 times |
Item |
Index | |
ULtimate compression strength Rd /MPa |
60 | |
Compression modulus of elasticity E1/ MPa |
EE20E | |
Shear modulus of elasticity G1 / MPa |
GG15G | |
Allows maximum shear deformation tg |
0.7 | |
Shear deformation produced by fast loading tg |
0.25 | |
Anti-sliding friction coefficient |
against steel |
0.2 |
against concrete |
0.3 |