Core TradesCâu 65 / 700
In a post-tensioned slab, the primary function of the tendons is to:
a.Replace the need for any concrete cover
b.Introduce compressive force into the concrete after it has cured to counteract tensile stresses
c.Act as temporary formwork during the pour
d.Provide fire resistance to the slab
Giải thích
Post-tensioning stresses high-strength steel tendons after the concrete has cured, putting the concrete into compression so applied loads must first overcome that compression before the concrete sees tension, reducing cracking and deflection. Tendons do not replace cover, serve as formwork, or provide fire resistance.
Trích dẫn luật: 2025 CA Building Code, Chapter 19 (Concrete)Luyện miễn phí toàn bộ 700 câu hỏi — không cần đăng ký.
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