資訊推薦

• 340.現場澆置混凝土（非預力）於不接觸雨水之結構物，其樑柱之最小保護層厚度為何？(A)20mm(B)25mm(C)40mm(D)50mm。
• 341.與海水或腐蝕性環境接觸之梁、柱及基腳其混凝土之保護層應為多少公釐？(A)100公釐 (B)75公釐 (C)50公釐 (D)40公釐。
• 342.給排水管於屋頂管道間引出，必須在下列何者，且不可穿破防水層？(A)泛水內(B)泛水之下(C)泛水之上(D)不論泛水之上或下。
• 343.墊塊之間距不可太寬，以免鋼筋撓度增加太多，請問樓版底層鋼筋使用#4，適當之墊塊間距為何?(A)75公分 (B)85公分 (C)95公分 (D)105公分。
• 344.對於鋼筋保護層墊塊之間距，何者適當？(A)#5以上鋼筋，間距不可大於50公分(B)#4鋼筋，間距不可大於40公分(C)#3鋼筋，間距不可大於60公分(D)#6以上鋼筋，間距不可大於60公分 。
• 345.樓版混凝土澆置過程中因表面水份蒸發過快，混凝土乾縮而表層發生龜裂，係屬必然現象，尤以氣溫高時益顯嚴重。此時可在混凝土初凝前即澆置一個半小時內，以下列何者使之密合即可，超逾初凝時間則無效？(A)
• 346.模板支柱之搭接原則，下列何者正確?(A)樓層太高，模板支柱不夠長時，可採兩根支柱搭接使用 (B)超高樓層，木模可利用疊接，支柱與支柱之連接處可用釘接及鐵線綁紮 (C)支柱疊接處之應以無彎曲應力
• 347.模板組立完成後，須無彎曲、膨脹及不平直等現象，其垂直容許誤差為多少？(A)10 mm/3m (B)15 mm/3m(C)20 mm/3m(D)25 mm/3m。
• 348.模板組立後承受澆置混凝土等載重作用，其撓度至少必須小於多少公分？(A)3.0公分(B)1公分(C)0.1公分(D)0.3公分。
• 349.模板應力計算，應計算各項強度，包括彎曲力、壓縮力、剪力等之外，尚須檢討下列何者項目？(A)密重 (B)硬度 (C)伸縮量 (D)撓度。
• 350.鋼筋若經允許使用銲接，除了必須使用可銲鋼筋外，則任何銲接之強度應相當於鋼筋降伏強度之多少？(A)100%(B)125%(C)150%(D)200%。
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