start-ver=1.4 cd-journal=joma no-vol= cd-vols= no-issue= article-no= start-page=T4-6 2 end-page= dt-received= dt-revised= dt-accepted= dt-pub-year=2013 dt-pub=201308 dt-online= en-article= kn-article= en-subject= kn-subject= en-title= kn-title=Strength and Durability of Concrete with Blast Furnace Slag en-subtitle= kn-subtitle= en-abstract= kn-abstract=The properties of concrete using blast furnace as binder and fine aggregate have been investigated in this study. The experiments focus on the properties of concrete such as compressive strength and young's modulus, carbonation, diffusion of chloride ions, resistance to sulfate attack and resistance to freeze and thaw. The experimental results show that when blast furnace slag is used in concrete, it improves the durability properties of concrete. However, the combination of using both blast furnace slag as binder and fine aggregate shows a greater improvement of those properties of concrete. en-copyright= kn-copyright= en-aut-name=JARIYATHITIPONGPaweena en-aut-sei=JARIYATHITIPONG en-aut-mei=Paweena kn-aut-name= kn-aut-sei= kn-aut-mei= aut-affil-num=1 ORCID= en-aut-name=HOSOTANIKazuyoshi en-aut-sei=HOSOTANI en-aut-mei=Kazuyoshi kn-aut-name= kn-aut-sei= kn-aut-mei= aut-affil-num=2 ORCID= en-aut-name=FUJIITakashi en-aut-sei=FUJII en-aut-mei=Takashi kn-aut-name= kn-aut-sei= kn-aut-mei= aut-affil-num=3 ORCID= en-aut-name=AYANOToshiki en-aut-sei=AYANO en-aut-mei=Toshiki kn-aut-name= kn-aut-sei= kn-aut-mei= aut-affil-num=4 ORCID= affil-num=1 en-affil= kn-affil=Landes Co., Ltd affil-num=2 en-affil= kn-affil=Landes Co., Ltd affil-num=3 en-affil= kn-affil=Okayama University affil-num=4 en-affil= kn-affil=Okayama University en-keyword=Ground granulated blast furnace slag kn-keyword=Ground granulated blast furnace slag en-keyword=Blast furnace slag sand kn-keyword=Blast furnace slag sand en-keyword=Carbonation kn-keyword=Carbonation en-keyword=Drying shrinkage strain kn-keyword=Drying shrinkage strain END start-ver=1.4 cd-journal=joma no-vol= cd-vols= no-issue= article-no= start-page=W1-7 3 end-page= dt-received= dt-revised= dt-accepted= dt-pub-year=2013 dt-pub=201308 dt-online= en-article= kn-article= en-subject= kn-subject= en-title= kn-title=Effect of chemical admixture on property of fresh mortar using sludge water en-subtitle= kn-subtitle= en-abstract= kn-abstract=Addition of sludge water as a part of mixing water had little influence on strength and durability of hardened concrete, but caused a slump decrease of fresh concrete. The decrease of slump was improved by addition of a certain set retarder such as gluconate into sludge water due to control of cement hydration. Some of polymers were also effective in improvement of slump. However hydration of cement was observed in those cases of polymers. Therefore it is presumed such the polymers improve slump not by hydration control effect but by another one. en-copyright= kn-copyright= en-aut-name=FUJIITakashi en-aut-sei=FUJII en-aut-mei=Takashi kn-aut-name= kn-aut-sei= kn-aut-mei= aut-affil-num=1 ORCID= en-aut-name=SAITOTadashi en-aut-sei=SAITO en-aut-mei=Tadashi kn-aut-name= kn-aut-sei= kn-aut-mei= aut-affil-num=2 ORCID= en-aut-name=AYANOToshiki en-aut-sei=AYANO en-aut-mei=Toshiki kn-aut-name= kn-aut-sei= kn-aut-mei= aut-affil-num=3 ORCID= affil-num=1 en-affil= kn-affil=Okayama University affil-num=2 en-affil= kn-affil=Nagao & Co., Ltd. affil-num=3 en-affil= kn-affil=Okayama University en-keyword=Sludge water kn-keyword=Sludge water en-keyword=Mortarflow kn-keyword=Mortarflow en-keyword=Organic compound kn-keyword=Organic compound en-keyword=Polymer kn-keyword=Polymer en-keyword=Sludge sedimentation kn-keyword=Sludge sedimentation END start-ver=1.4 cd-journal=joma no-vol= cd-vols= no-issue= article-no= start-page=581 end-page=586 dt-received= dt-revised= dt-accepted= dt-pub-year=2013 dt-pub=201305 dt-online= en-article= kn-article= en-subject= kn-subject= en-title= kn-title=THE SULFURIC ACID RESISTANCE OF CONCRETE WITH BLAST FURNACE SLAG en-subtitle= kn-subtitle= en-abstract= kn-abstract=The deterioration of concrete by sulfuric acid attack in sewage environments has become a serious problem. In this study, it was shown that the resistance to sulfuric acid of mortar and concrete can be improved by using a blast-furnace slag fine aggregate to the total amount of fine aggregate. When mortar or concrete reacts to sulfuric acid, dihydrated gypsum film is formed around the particulate of the fine aggregate. This dihydrated gypsum film could retard the penetration of sulfuric acid, thus improving the resistance to sulfuric acid. However, the resistance to sulfuric acid depends on the hardness of the dihydrated gypsum film. en-copyright= kn-copyright= en-aut-name=JARIYATHITIPONGPaweena en-aut-sei=JARIYATHITIPONG en-aut-mei=Paweena kn-aut-name= kn-aut-sei= kn-aut-mei= aut-affil-num=1 ORCID= en-aut-name=HOSOTANIKazuyoshi en-aut-sei=HOSOTANI en-aut-mei=Kazuyoshi kn-aut-name= kn-aut-sei= kn-aut-mei= aut-affil-num=2 ORCID= en-aut-name=FUJIITakashi en-aut-sei=FUJII en-aut-mei=Takashi kn-aut-name= kn-aut-sei= kn-aut-mei= aut-affil-num=3 ORCID= en-aut-name=AYANOToshiki en-aut-sei=AYANO en-aut-mei=Toshiki kn-aut-name= kn-aut-sei= kn-aut-mei= aut-affil-num=4 ORCID= affil-num=1 en-affil= kn-affil=Research Engineer, Research and Development Labolatory, Landes Co.,Ltd affil-num=2 en-affil= kn-affil=Manager, Technology Center, Landes Co.,Ltd affil-num=3 en-affil= kn-affil=Assistant Professor, Division of Environmental Science, Graduate School of Environmental and Life Science, Okayama University affil-num=4 en-affil= kn-affil=Professor, Division of Environmental Science, Graduate School of Environmental and Life Science, Okayama University en-keyword=sulfuric acid attack kn-keyword=sulfuric acid attack en-keyword=blast furnace slag sand kn-keyword=blast furnace slag sand en-keyword=ground granulated blast furnace slag kn-keyword=ground granulated blast furnace slag en-keyword=gypsum kn-keyword=gypsum en-keyword=sewerage kn-keyword=sewerage END start-ver=1.4 cd-journal=joma no-vol=13 cd-vols= no-issue= article-no= start-page=1 end-page=6 dt-received= dt-revised= dt-accepted= dt-pub-year=2013 dt-pub=201311 dt-online= en-article= kn-article= en-subject= kn-subject= en-title=Effect of Blast Furnace Slag Sand to Durability of Concrete kn-title=コンクリートの耐久性に及ぼす高炉スラグ細骨材の影響 en-subtitle= kn-subtitle= en-abstract= kn-abstract=本研究は,高炉スラグを用いたコンクリートの中性化,耐硫酸塩性および凍結融解 抵抗性の検討を行ったものである.高炉スラグを細骨材に用いることで,細骨材周辺に集 積する水酸化カルシウムがなくなり,骨材表面とペーストとの界面が強固なものとなるた め,コンクリートの中性化および耐硫酸塩性が向上する.また,結合材の一部を高炉スラ グ微粉末に置き換えるか,または,細骨材に高炉スラグ細骨材を用いたコンクリートでは, AE 剤を用いることなく,また,蒸気養生を行っても,十分な凍結融解抵抗性が得られる. en-copyright= kn-copyright= en-aut-name=FUJIITakashi en-aut-sei=FUJII en-aut-mei=Takashi kn-aut-name=藤井隆史 kn-aut-sei=藤井 kn-aut-mei=隆史 aut-affil-num=1 ORCID= en-aut-name=JARIYATHITIPONGPaweena en-aut-sei=JARIYATHITIPONG en-aut-mei=Paweena kn-aut-name=ジャリヤティティポンパウィナ kn-aut-sei=ジャリヤティティポン kn-aut-mei=パウィナ aut-affil-num=2 ORCID= en-aut-name=HOSOTANIKazuyoshi en-aut-sei=HOSOTANI en-aut-mei=Kazuyoshi kn-aut-name=細谷多慶 kn-aut-sei=細谷 kn-aut-mei=多慶 aut-affil-num=3 ORCID= en-aut-name=AYANOToshiki en-aut-sei=AYANO en-aut-mei=Toshiki kn-aut-name=綾野克紀 kn-aut-sei=綾野 kn-aut-mei=克紀 aut-affil-num=4 ORCID= affil-num=1 en-affil= kn-affil=岡山大学大学院環境生命科学研究科環境科学専攻 affil-num=2 en-affil= kn-affil=ランデス株式会社本部技術センター研究所 affil-num=3 en-affil= kn-affil=ランデス株式会社本部技術センター affil-num=4 en-affil= kn-affil=岡山大学大学院環境生命科学研究科環境科学専攻 en-keyword=高炉スラグ細骨材 kn-keyword=高炉スラグ細骨材 en-keyword=中性化 kn-keyword=中性化 en-keyword=耐硫酸塩性 kn-keyword=耐硫酸塩性 en-keyword=凍結融解抵抗性 kn-keyword=凍結融解抵抗性 END start-ver=1.4 cd-journal=joma no-vol= cd-vols= no-issue= article-no= start-page= end-page= dt-received= dt-revised= dt-accepted= dt-pub-year=2007 dt-pub=20070323 dt-online= en-article= kn-article= en-subject= kn-subject= en-title= kn-title=鉄鋼スラグ水和固化体の性能改善と設計手法に関する研究 en-subtitle= kn-subtitle= en-abstract= kn-abstract= en-copyright= kn-copyright= en-aut-name=FujiiTakashi en-aut-sei=Fujii en-aut-mei=Takashi kn-aut-name=藤井隆史 kn-aut-sei=藤井 kn-aut-mei=隆史 aut-affil-num=1 ORCID= affil-num=1 en-affil= kn-affil=岡山大学 END start-ver=1.4 cd-journal=joma no-vol= cd-vols= no-issue= article-no= start-page= end-page= dt-received= dt-revised= dt-accepted= dt-pub-year=2005 dt-pub=20050325 dt-online= en-article= kn-article= en-subject= kn-subject= en-title= kn-title=頸骨および頭蓋骨における剥離骨膜からの新生骨形成過程の組織形態学的観察 en-subtitle= kn-subtitle= en-abstract= kn-abstract= en-copyright= kn-copyright= en-aut-name=FujiiTakashi en-aut-sei=Fujii en-aut-mei=Takashi kn-aut-name=藤井崇史 kn-aut-sei=藤井 kn-aut-mei=崇史 aut-affil-num=1 ORCID= affil-num=1 en-affil= kn-affil=岡山大学 END