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钢绞线锚具施工安全注意事项

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【 发布于:2018-04-09 17:26:37 】


1、钢绞线锚具的切割,宜采用砂轮锯,不得采用电弧切割;
1, the cutting of steel strand anchorage should be done with grinding wheel saws, not by arc cutting.
2、钢绞线编束时,应逐根理顺,捆扎成束,不得紊乱。钢绞线固定端的挤压型钢绞线锚具或压花型钢绞线锚具,应事先与承压板和螺旋筋进行组装;
2, when strands are stranded, they should be straightened out and bundled into bundles. The extruded steel strand anchorage or embossed steel strand anchorage for the fixed ends of the steel strands shall be assembled with the bearing plate and the spiral reinforcement in advance.
3、施加预应力用的机具设备及仪表,应定期维护和标定;
3, equipment and instruments for prestressing should be regularly maintained and calibrated.

螺纹钢

4、钢绞线锚具张拉前,应提供混凝土强度试压报告。当混凝土的抗压强度满足设计要求,且不低于设计强度等级的75%后,方可施加预应力;
4, before tensioning of steel strand anchorage, concrete strength test report shall be provided. When the compressive strength of concrete meets the design requirements and is no less than 75% of the design strength grade, the prestressing force can be applied.
5、钢绞线锚具张拉前,应清理承压板面,并检查承压板后面的混凝土质量。如该处混凝土有空洞现象,应在张拉前用环氧砂浆修补;
5, before tensioning of the steel strand anchorage, the bearing plate should be cleaned, and the concrete quality behind the bearing plate should be checked. If the concrete is void, it should be repaired with epoxy mortar before stretching.
6、钢绞线锚具安装时,锚板应对正,夹片应打紧,且片位要均匀:但打紧夹片时不得过重敲打,以兔把夹片敲坏。
6, when the steel wire anchorage is installed, the anchor plate should be correct, the clip should be tightened and the piece position should be uniform: but when the clip is tightened, the clamp should not be overtapping, and the rabbit will break the clip.
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