upper flange 中文意思是什麼

upper flange 解釋
上凸緣
  • upper : adj 1 （更）上面的，上方的，上部的；較高的；上級的；（議會）上院的；（衣服）穿在外面的。2 上流的...
  • flange : n. 1. 【機械工程】法蘭（盤）；凸緣；邊凸緣製造機。2. （鐵路軌的）寬底。3. 【建築】（梁）翼緣。vt. 在…上安裝凸緣。 a flanged wheel 凸緣輪。
  1. In addition to, the fatigue crack between web and upper flange of welded steel crane beam on heavy duty service was discussed, and based on long - term observation and research, the author classified fatigue crack into bearing type and middle type crack along the horizontal direction. the causation, distributive law and mechanism of the crack were analyzed, and the precautions to take and the measures to remedy crack were presented. the main defacts including damage, crack, erosion and aging in structures, especially in concrete structure were introduced ; the defact mechanism was analyzed and the precautions to take were also given

    另外，作者對重級工作制焊接鋼吊車梁腹板與上翼緣連接焊縫的縱向水平疲勞裂縫進行了長期的觀察和研究，根據疲勞裂縫產生的不同機理，將其分為支點裂縫和肋間裂縫，並討論了兩類裂縫產生的原因、分佈規律、機理以及防治的措施；對工程中經常遇到的結構構件，尤其混凝土構件的幾種主要病害（損傷、裂縫、腐蝕與老化）進行了機理分析並提出了防治措施。
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