蘇敦磊,董豐源,劉洪星,李秋義
(1.山東交通學(xué)院交通土建工程學(xué)院,濟南 250357;2.青島農(nóng)業(yè)大學(xué)建筑工程學(xué)院,青島 266109)
圖1礦物的宏觀與微觀形貌[17,21-24]Fig.1 Macro and micro morphology of mineral[17,21-24]
圖2礦物兩次煅燒工藝制度[21]Fig.2 Process system of twice calcination of
圖3礦物穩(wěn)定性與SO2和O2分壓、溫度的關(guān)系[24]Fig.3 Relationship between mineral stability and partial pressure of SO2 and O2, temperature[24]
圖5礦物的凈漿抗壓強度[21]Fig.5 Compressive strength of mineral paste[21]
圖6礦物水化產(chǎn)物的判定[21]Fig.6 Determination of hydration products of mineral[21]
圖7 鋁膠環(huán)境下和β-C2S的水化放熱曲線(%,質(zhì)量分數(shù))[29]Fig.7 Hydration heat release curves of and β-C2S in AH3 environment (%, mass fraction)[29]
表1 含鋁礦物體系水化產(chǎn)物的定量分析[30]Table 1 Quantitative analysis of hydration products of blended system[30]
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(6)
表2 TSAC制備和性能研究Table 2 Study on preparation and properties of TSAC
表3 和三種礦物的組成成分和形成晗Table 3 Component content and formation enthalpy of three minerals of β-C2S and
(1)固廢制備TSAC的研究較少,固廢基TSAC的水化理論研究不足,應(yīng)深入挖掘具有鮮明特色的固廢原料或利用多種固廢原料協(xié)同制備TSAC,在實現(xiàn)水泥高性能化發(fā)展的同時兼顧固廢的資源化利用。
(2)TSAC凝結(jié)較快,調(diào)凝劑對該種新型水泥的作用效果和作用機制尚不明確,不僅要對現(xiàn)有常用調(diào)凝劑的影響展開系統(tǒng)研究,還應(yīng)積極開發(fā)適用于TSAC的專用新型調(diào)凝組分。