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Question:

Requirements of waveform guardrail column piling skills training program and training program.

Requirements of waveform guardrail column piling skills training program and training program.

Answer:

B, anti blocking blocks, wave beam, end installation(a) after installing the upright column, the bracket (block block) can be installed. The bracket (stop block) is fixed between the wave beam and the upright post through the connecting bolt. The bracket (block) shall be adjusted to make it in place before tightening the connecting bolts.(b) the wave beam is spliced with each other by a splicing bolt and is fixed by a connecting bolt bracket (an anti blocking block), and the direction of the overlap of the roadbed guardrail and the corrugated beam is the key of the installation, and the installation is carried out in strict accordance with the drawing. The direction of overlap shall be consistent with the driving direction. The wave beam should be adjusted continuously during the installation. Therefore, the connecting bolts and the splicing bolts should not be tightened too early so that the long holes in the corrugated beam can be adjusted in time during the installation process so as to form a smooth alignment and avoid local irregularities. When the alignment of the guardrail is considered satisfactory, the bolt can be screwed at last. The connecting bolt between the bracket (stop block) and the wave beam should not be screwed too tight, so that the temperature stress can be adjusted by using a long round hole.(c) the end beam is spliced with standard section guard bars through splicing bolts. The construction method of the end beam is basically the same as that of the wave beam.

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