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HIGHWAY & BRIDGE EXPANSION JOINT SYSTEM


PLANDECON COMBO JOINT

Material Specification

ALLOY RAIL

Alloy Rail is made from high grade of 6061 – T6, which is a proven strength of structural alloys that statistics the requirements of a number of specifications. In extruded shapes, it is treated as an equal alternative to other metal and has long history in furniture, handrails, transportation, industrial equipment, general structure and bridge expansion joint system.


Alloy Rail is a proven and excellent resistance to atmosphere, fresh waters, soils condition, seawater and good corrosion resistance in structural application.


Chemical Composition

Alloy 6061 is a heat-treatable aluminium-magnesium-silicon alloy
% Weight % Weight
Copper
Iron
Magnesium
Manganese
Silicone
Titanium
0.15-0.40
0.70
0.80-1.20
0.15
0.40-0.8
0.15
Zinc
Chromium
Others, each
Others, total

Alumimium
0.25
0.04-0.35
0.05
0.15

Remainder

Mechanical Properties

Temper Thickness Ultimate Strength Tensile (MPa) 0.2 % Proof (MPa) Stress Elongation (%) Hardness (Vickers) Typical
(mm) Typical min. Typical min. Typical
T6 > 6.3 260 310 240 275 10 15 105

FLEXI CRETE

Flexi Crete is a flexible compound system comprising of epoxy / rubberized base mixed with a proportion of graded aggregate. It’s specially formulated and modified compound system not only bonds strongly to concrete, but also asphalt, steel, and many other materials to provide a tough, flexible, waterproof and chemical resistant surface. It’s widely used as in-situ nosing or transition strip for a wide range of bridge expansion joints, especially for PLANDECON COMBO JOINT.

Feature


Typical Cured Properties of Epoxy Base as follow:
PHYSICAL PROPERTIES @ 23 °C
GEL TIME AASHTO T-237 100 grams 30 minutes
TESTS WITH RESIN ONLY
TENSILE STRENGTH ASTM D 412 7 DAYS 5.5 N/mm2
TENSILE ELONGATION ASTM D 412 7 DAYS 150 %
HARDNESS, DUROMETER D ASTM D 2240 7 DAYS 8.0 N/mm2
TESTS WITH RESIN AND AGGREGATE
COMPRESSIVE STRENGTH ASTM D 695 19 N/mm2
IMPACT RESISTANCE ASTM D 3209 70 °C
0 °C
-36 °C
No Crack
No Crack
No Crack
CURE TIME 21 – 33 °C 2 Hours


Physical Characteristics of Rubberized Base as follows:
Item Specification Test Method
Physical State Semi-Solid @ Ambient Temperature
AppearanceBlack
Penetration at 25C 40 dmm ASTM D 1190
Softening Point 100C ASTM D 96
Flow Resistance at 60C, 5 hrs. 3mm ASTM D 1190
Extension movement at
-20°C
0°C
25°C
1.3 %
25 %
75 %
BS 2499
Specific Gravity at 25°C 1.2ASTM D 70
Flash Point 250°C ASTM D 92
Recommended Application Temperature 170°C - 190°C
Recommended Maximum Safe Heating Temperature220°C

FLEXI SEAL

The extruded Flexi Seal rubber insert is capable to accommodate a range of movement and shall be make of EPDM compound with following properties:


Properties Value Test Method
Hardness 60 10 Shore A DIN 53505
Tensile Strength 10 MPa DIN 53504
Elongation 300 % DIN 53504
Tear Resistance 40 N/mm DIN 53516
Low Temperature No Crack ASTM 2173
Compression Set 25 % ASTM 1171
Ozone Resistance No Crack DIN 53517

LEVELING SCREED

Epotar – GP high strength epoxy mortar is provides excellent base for bridge expansion joint system and exhibits the following outstanding characteristics :


View Material Specification

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