质量保证难设计要求焊彻底一、二级焊缝还采用超声波检查是梁和柱子；还点焊；还招聘号板点焊接。

解决方法：钢结构点焊前焊条合格证进行检查，根据设计要求使用的焊接含沿路说明书和操作规程的要求使用焊条，焊缝表面不得有裂纹焊瘤，一、二级焊缝有孔、夹渣坑纹一级焊缝不叼着侧、未满焊等缺陷一、二级焊缝要求琵琶怪考试搜索，在规定的焊缝及部位检查焊工的钢印焊缝没有不及格处理决定修改后重新处理的过程，两次部位焊缝返修次数不超过。

The quality assurance is difficult to design the requirements of the welding seam is also used to complete the one or two level of the weld is also the use of ultrasonic inspection is the beam and column; spot welding.
Solution: before spot welding of steel structure welding certificate examination, according to design requirements for the use of welding with along the instructions and procedures requires the use of welding, the weld surface shall not crack overlap, one or two grade weld with hole, and a clip slag pit level seam not dangling side, welding defects, secondary weld requirements Pipa blame test search, seal welds in the provisions of the weld and the part to be inspected welder which did not pass processing decided to amend the re processing, two parts of the weld repair times is not exceeded.

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