資源・素材 & EARTH 2017(札幌)

講演情報(2017年8月24日付)

EARTHポスター発表(Poster:EARTH)

EARTHポスター発表(Poster:EARTH)

2017年9月26日(火) 15:30 〜 17:30 ポスター会場1 セミナー室・ホワイエ (フロンティア棟2F/Fl. 2.,Build.Frontier, Seminar Room2 & Foyer)

15:30 〜 17:30

[PE1-018] Fireproofing Material from Alkali-activated EAF Ladle Slag

○Pai-Haung Shih1, Dong-Shyuan Lu2, Ho-Sheng Tsai2, Juin-Ting Wu1, Juu-En Chang2 (1. Fooyin University, 2. National Cheng Kung University)

キーワード:Electric Arc Furnace, Ladle Slag, Alkali-activated Process, Fireproofing

Electric Arc Furnace Steel-making process has become one of the primary steel providing processes in Taiwan. Nevertheless, the potential soundness problem due to the free-CaO content has made EAF ladle slag (LS) limited the reuse of EAF LS. This research attempts to fireproofing porous material from LS by alkali-activated process.
Sampled LS was tested for physical properties and Chemical composition analysis. The results showed that LS could be reuse as cementitious or pozzolanic material. Nevertheless, further accelerated mortar bar test and autoclave expansion suggested that f-CaO content in LS transformed into Ca(OH)2 in hydration late stage, and resulted in volume expansion with failure in meeting the soundness criteria.
Alkali-activation technique could directly transform f-CaO content in LS into Calcium Silicate hydrate. Hence, Alkali-activated LS (AALS) would not have the Ca(OH)2 expansion and cracked problem. Further application of foaming agent could develop porous materials with density as low as 800 kg/m3. With this porous AALS process, light-weight fire-proofing partition wall utilization reuse of LS could be developed.

講演PDFファイルダウンロードパスワード認証

講演集に収録された講演PDFファイルのダウンロードにはパスワードが必要です。

現在有効なパスワードは、[資源・素材学会会員専用パスワード]です。
※[資源・素材学会会員専用パスワード]は【会員マイページ】にてご確認ください。(毎年1月に変更いたします。)

[資源・素材学会会員専用パスワード]を入力してください

パスワード