焊接球網架場內加工構件，焊縫處理主要在施工現場處理，因此對施工人員焊接技術有很高要求，對施工現場焊接環境要求較高，現場施工時非常難處理的就是焊縫質量，施工周期及施工費用較高，一般主要適用于大跨度，大荷載有特殊要求的結構。 Processing components of welded ball grid at the constriction site: weld bead was mainly done at the construction site, so there are very strict requirements to the skills of construction personnel and to welding conditions. At the construction site, the most difficult …
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