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固硫渣安定性改良試驗研究

時間:2023-04-25 20:08:49 環(huán)境保護論文 我要投稿
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固硫渣安定性改良試驗研究

摘要: 通過測定雷氏值和無側(cè)限抗壓強度來研究沸石灰渣激發(fā)劑(HAZ)摻量對安定性的影響.結(jié)果表明HAZ不但可以提高改善固硫渣復(fù)合水泥的安定性而且可以很好的提高其強度.最好通過掃描電鏡和X射線衍射分析實驗試件的水化產(chǎn)物驗證了安定性和強度實驗得出的結(jié)論. Abstract: This paper presents experimental results on the expansion by Le chaterlier tester and the compressive strength. Hydraulic ash-zeolite (HAZ) cementitious material was blended as the chemical activator to study the effects of the activator on the soundness. The results show that HAZ can not only deduce the expansion, but it can also make the prisms compressive strength increased obviously. FT-IR apectroscopic and X-ray diffraction analysis indicated that the main hydrated products of the sample are calcium hydroxide, ettringite, zeolite and calcite, which consistented with the results of the expansion and the strength tests. 作 者: 朱書景    侯浩波    賀杏華    ZHU Shu-jing    HOU Hao-bo    HE Xing-hua   作者單位: 武漢大學(xué),資源與環(huán)境科學(xué)學(xué)院,湖北,武漢,430079  期 刊: 中山大學(xué)學(xué)報(自然科學(xué)版)  ISTICPKU   Journal: ACTA SCIENTIARUM NATURALIUM UNIVERSITATIS SUNYATSENI  年,卷(期): 2007, 46(z1)  分類號: X703 S216.4  關(guān)鍵詞: 固硫渣    安定性    水泥熟料    活性氧化鈣    膠凝材料    Keywords: cycled fluidized bed ash (CFBA)    soundness    cement clinker    free CaO    cementitious material   

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