【单选题】【消耗次数：1】
钢筋工程量的计算，正确的是（??）
①
碳素钢丝束采用镦头锚具时，其长度按孔道长度增加0.30m计算
②
直径为d的I级受力钢筋，端头90°弯钩形式，其弯钩增加长度为3.5d
③
冷拔低碳钢丝搭接长度，图纸未标注时，一般按500mm计算
④
钢筋混凝土梁柱的箍筋长度仅按梁柱设计断面外围周长计算
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相关题目
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后张法施工预应力混凝土，孔道长度为12.00m，采用后张混凝土自锚低合金钢筋。钢筋工程量计算的每孔钢筋长度为（? )
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12.00m
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Having told her the truth
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Yes, it does.
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You looks very beautiful.
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that
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fitly
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fitting
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I am very shy
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My job offers me high income
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technology
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knowledge
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examination
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Yes, it was an interesting party
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No, I’d like to
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because
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