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voestalpine Krems Finaltechnik GmbH
ONE STEP AHEAD.
Assembly instructions KB 1 RH3 on pile-drivable subgrade
page 10 of 13
7.
Mounting extension profiles for the lower guard rail belt
The extension profile is to be aligned as a continuous belt between the guard rail belt
and the round dampers (see Fig. 6).
The trapezoidal cross-section of the extension profile surrounds the centre of the
guard rail. The rectangular holes 18x25 mm in the guard rail axis and extension
profiles must align.
The overlapping of the extension profiles is to be executed in accordance with the
overlapping of the guard rails. The two drilled 18 mm diameter holes indicate that the
extension profiles in the jointed area (upper part) are facing the respective
carriageway (see Fig. 6).
The extension profiles are to be mounted together with the guard rails and are fixed
in place with the bolted unions in the guard rail axis (see Fig. 6).
8.
Mounting S1 guardrail (crash barrier) for the lower guard rail belt
The guardrails S1 are to be overlapped in the jointed area in accordance with the
direction of traffic, so that vehicles cannot get caught up on them. The drilled 9 mm
diameter hole indicates that the guard rail in the joint region (upper part) is facing the
respective carriageway. In order to be able to overlap the guardrail in the jointed
area, the carriageway side of the guardrail ends (lower part) are goosenecked.
The guardrails are bolted in place together with the extension profiles to the guard
rail axis on each round damper (every ~1.900 mm) with a coach bolt M16x50 FK 4.6
(see Fig. 6).
The guardrail joint is additionally secured with six
coach bolts M16x35 FK 4.6. It is to be ensured when
tightening the hexagon nuts M16 FK 5 that the square-
shaped anti-twist protection for the bolt head is
correctly positioned to the guardrail.
A washer 40x18x4 is to be aligned under each
hexagon nut M16 FK 5. The exception to this is the
four off-centre bolts in the crash barrier joint, where two
reinforcement flanks are to be installed instead of the
washers 40x18x4 (see fig. 6).
Figure 6
