河北房屋加固哪家做的好?
河北房屋加固哪家做的好?混凝土柱加固,哪種方法更優?
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河北房屋加固混凝土柱的加固中,有多種加固方式可供選擇,其中比較有代表性的分別是增大截面加固法、外粘型鋼加固法、碳纖維布加固法,三種方法各具特色,在加固時需根據具體情況進行選擇。
1、增大截面加固法通過增加結構截面面積與配筋來提高結構承載力,其使用經驗豐富,在梁、板、柱上均有較廣泛的應用。在混凝土加固中,增大截面法尤其適用于因柱體截面較小導致承載力不足的情況。為使增大截面法在混凝土中達到最佳的加固效果,需要保證混凝土基材強度等級不能低于C13,加固用受力鋼筋不應小于14mm,同時種類、截面形式、受力情況不同的混凝土柱,需要采用不同的構造形式。
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河北房屋加固碳纖維布加固效果較好、幾乎不增加自重且施工方便,但不適用于小偏心受壓構件,且對軸心受壓構件加固中,還需注意柱體長細比與截面是否滿足要求。因此在選擇碳纖維布加固前,需要對混凝土柱有較深的了解,以避免不滿足碳纖維布加固前提。
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