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聲測管廠家告訴大家如何選材

日期:2021-07-24 11:44:53

? ? ? ?現在,聲測管廠家告訴大家如何選材

? ? ? ?聲測管廠家生產聲測管的原料的外觀要求應順直,曲折度不大于5 mm/m;聲測管兩頭截面應與其軸線垂直,并應無毛刺;不允許有裂縫、結疤、折疊、分層、搭焊缺點存在;管內應疏通無異物。

? ? ? ?聲測管廠家生產聲測管的原料要求有滿足的機械強度,保證在灌注混凝土過程中不會變形且與混凝土粘結杰出,不致在聲測管和混凝土間發生縫隙包裹不佳,影響測驗結果。其力學性能、抗曲折性能、耐壓扁性能、密封耐壓性能應滿足標準要求。通常情況下聲測管都會選用Q195原料的焊管。
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无码人妻H动漫中文字幕
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