低強(qiáng)度自密實(shí)再生大骨料混凝土配制試驗(yàn)研究
發(fā)布時(shí)間:2018-10-08 13:15
【摘要】:通過自密實(shí)再生大骨料混凝土的配制試驗(yàn),研究了水膠比、高效減水劑對(duì)自密實(shí)再生混凝土強(qiáng)度及和易性的影響規(guī)律。結(jié)果表明:當(dāng)水膠比W/B=0.55,高效減水劑摻量為膠凝材料的0.6%時(shí),混凝土拌合物整體和易性良好,且無泌水現(xiàn)象發(fā)生,其抗壓強(qiáng)度為18.1~20.5 Mpa。對(duì)于低強(qiáng)度混凝土建筑物,其承載力方面可以滿足要求,具有一定技術(shù)可行性。
[Abstract]:The effects of water-binder ratio and superplasticizer on strength and easiness of self-compacting recycled concrete were studied through the preparation test of self-compacting recycled aggregate concrete. The results show that when the ratio of water to binder is 0.55 and the content of superplasticizer is 0.6, the whole and easiness of concrete mixture is good, and there is no bleeding phenomenon. The compressive strength of concrete is 18.1g 20.5 Mpa.. For low-strength concrete buildings, its bearing capacity can meet the requirements and has certain technical feasibility.
【作者單位】: 河北農(nóng)業(yè)大學(xué)城鄉(xiāng)建設(shè)學(xué)院;
【基金】:河北省高等學(xué)?茖W(xué)技術(shù)研究項(xiàng)目(ZD2015019) 河北農(nóng)業(yè)大學(xué)理工基金(LG20150302) 河北省現(xiàn)代農(nóng)業(yè)產(chǎn)業(yè)體系蔬菜產(chǎn)業(yè)創(chuàng)新團(tuán)隊(duì)建設(shè)項(xiàng)目
【分類號(hào)】:TU528
[Abstract]:The effects of water-binder ratio and superplasticizer on strength and easiness of self-compacting recycled concrete were studied through the preparation test of self-compacting recycled aggregate concrete. The results show that when the ratio of water to binder is 0.55 and the content of superplasticizer is 0.6, the whole and easiness of concrete mixture is good, and there is no bleeding phenomenon. The compressive strength of concrete is 18.1g 20.5 Mpa.. For low-strength concrete buildings, its bearing capacity can meet the requirements and has certain technical feasibility.
【作者單位】: 河北農(nóng)業(yè)大學(xué)城鄉(xiāng)建設(shè)學(xué)院;
【基金】:河北省高等學(xué)?茖W(xué)技術(shù)研究項(xiàng)目(ZD2015019) 河北農(nóng)業(yè)大學(xué)理工基金(LG20150302) 河北省現(xiàn)代農(nóng)業(yè)產(chǎn)業(yè)體系蔬菜產(chǎn)業(yè)創(chuàng)新團(tuán)隊(duì)建設(shè)項(xiàng)目
【分類號(hào)】:TU528
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