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Rail Joint
 






- It is the support beam typed expansion joint by the principle of elasticity. It has strong endurance.

- As it creates some noise, the accurate installation is needed to reduce shock and noise.

- It is appliable to all types of bridges, especially most suitable for long bridges.

- It is produced according to the length of a bridge for good drainage.

- An anchor roof of a stud anchor can be applied to the side of a edge beam according to the situation of the field.




































(Unit : mm)
Type Expansion Joint Section Maximum
allowable
expansion
amount
h1 b1 b2 S(expansion length) F(structural space) Weight
(kg/m)
Min Mid Max Min Mid Max
DRJ 80 80 250 300 300 80 120 160 70 110 150 40
DRJ100 100 250 300 300 80 130 1180 70 120 170 40
DRJ160 160 350 400 400 160 240 320 140 220 300 180
DRJ240 240 350 450 450 240 360 480 200 340 460 280
DRJ320 320 400 500 500 320 480 640 300 460 620 390
DRJ400 400 400 550 550 400 600 800 380 580 780 500
DRJ480 480 400 600 600 480 720 960 460 700 940 600
DRJ560 560 420 650 650 560 840 1120 540 820 1100 700
DRJ640 640 440 700 700 640 960 1280 620 940 1260 810
DRJ720 720

450

750 750

720

1080 1440 700 1060 1420 920
DRJ800 800 460 800 800 800 1200 1600 780 1180 1580 1060
DRJ880 880 480 850 850 880 1320 1760 860 1300 1740 1340
DRJ960 960 500 900 960 960 1440 1920 940 1420 1900 1520





(per 1m)
NI80 NI100 NI160 NI240 NI320 NI400 N480 NI560 NI640 NI720 NI800 NI880 NI960
Non-shrink concrete 0.15§© 0.15§© 0.280§© 0.315§©

0.400§©

0.440§© 0.480§© 0.546§© 0.616§© 0.675§© 0.736§© 0.816§© 0.90§©
From 0.60§© 0.60§© 0.65§© 0.65§© 0.65§© 0.70§© 0.70§© 0.70§© 0.75§© 0.75§© 0.75§© 0.75§© 0.75§©
Steel bar(H16) 33.072kg 33.072kg 46.951kg 48.594kg 53.274kg 56.394kg 62.634kg 63.882kg 69.186kg 74.002kg 74.002kg 85.488kg 93.352kg
* NOTE : The steel amount is calculated at intercals of A=150.