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"SP-221: Eighth CANMET/ACI International Conference on Fly Ash, Silica Fume, Slag, and Natural Pozzolans in Concrete"最新文献

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Microcracking and Chloride Ion Diffusion of Concrete Under Sustained Uniaxial Compression 持续单轴压缩下混凝土微开裂与氯离子扩散
"SP-221: Eighth CANMET/ACI International Conference on Fly Ash, Silica Fume, Slag, and Natural Pozzolans in Concrete" Pub Date : 2004-05-01 DOI: 10.14359/13297
C. Lim, N. Gowripalan, V. Sirivivatnanon
{"title":"Microcracking and Chloride Ion Diffusion of Concrete Under Sustained Uniaxial Compression","authors":"C. Lim, N. Gowripalan, V. Sirivivatnanon","doi":"10.14359/13297","DOIUrl":"https://doi.org/10.14359/13297","url":null,"abstract":"","PeriodicalId":306727,"journal":{"name":"\"SP-221: Eighth CANMET/ACI International Conference on Fly Ash, Silica Fume, Slag, and Natural Pozzolans in Concrete\"","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2004-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116278934","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Sustainable Development and Durability of Self-Compacting Concretes 自密实混凝土的可持续发展与耐久性
"SP-221: Eighth CANMET/ACI International Conference on Fly Ash, Silica Fume, Slag, and Natural Pozzolans in Concrete" Pub Date : 2004-05-01 DOI: 10.14359/13245
L. Coppola, T. Cerulli, D. Salvioni
{"title":"Sustainable Development and Durability of Self-Compacting Concretes","authors":"L. Coppola, T. Cerulli, D. Salvioni","doi":"10.14359/13245","DOIUrl":"https://doi.org/10.14359/13245","url":null,"abstract":"Self-compacting concretes (SCC) represent a move toward a sustainable material since they encourage the use of waste and recycled materials. The high volume of very fine powder necessary to achieve deformability and passing ability properties, in fact, permits SCC to consume large amount of fly-ash, very fine particles generated by the recycling of demolished concrete structures, and huge amount of calcareous filler available from the marble quarries. Moreover SCC turn out to be materials with an extended durability with respect to conventional concretes. Since fresh properties of self-compacting concretes (SCC) are significantly different from those of conventional concretes (CC) durability can be significantly improved when a SCC is used due to a modification of the microstructure of the interfacial transition zone between aggregates and cement matrix. This paper presents results of an experimental study carried out to evaluate changes in microstructure of interfacial transition zone (itz) and of bulk paste for both SCC and CC. Data on the influence of the calcareous filler, a fundamental ingredients to achieve self-compactability, on the hydration process of cement are also presented. Data indicate that the decrease in internal bleeding, when self-compacting concrete is used, seems to favour the formation of a stronger transition zone characterized by a less porous structure and with a limited amount of microcracking responsible for higher compressive strength values for SCC with respect CC. No differences were detected by EDAX analysis in the chemical nature of itz with respect the bulk matrix both for SCC and CC. Finally, observations of the cement hydration by analysis of the temperature profile vs time seem to indicate the calcareous grains promote formation of heterogeneous nucleation responsible for the increased crystallinity of ettringite, for a shorter normally dormant period and, hence, for higher strength values at early ages, when the calcareous filler is used.","PeriodicalId":306727,"journal":{"name":"\"SP-221: Eighth CANMET/ACI International Conference on Fly Ash, Silica Fume, Slag, and Natural Pozzolans in Concrete\"","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2004-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122294755","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 46
Chloride Ingress into Concrete in Saturated and Cyclic Wetting and Drying Environments 在饱和和循环干湿环境中氯化物进入混凝土
"SP-221: Eighth CANMET/ACI International Conference on Fly Ash, Silica Fume, Slag, and Natural Pozzolans in Concrete" Pub Date : 2004-05-01 DOI: 10.14359/13271
B. Miller, M. Miltenberger
{"title":"Chloride Ingress into Concrete in Saturated and Cyclic Wetting and Drying Environments","authors":"B. Miller, M. Miltenberger","doi":"10.14359/13271","DOIUrl":"https://doi.org/10.14359/13271","url":null,"abstract":"","PeriodicalId":306727,"journal":{"name":"\"SP-221: Eighth CANMET/ACI International Conference on Fly Ash, Silica Fume, Slag, and Natural Pozzolans in Concrete\"","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2004-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115920781","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Properties of Flowable Self-Compacting Slurry Using Quarry By-Products and Ponded CCPs 利用采石场副产品和水池ccp制备可流动自密实浆料的性能
"SP-221: Eighth CANMET/ACI International Conference on Fly Ash, Silica Fume, Slag, and Natural Pozzolans in Concrete" Pub Date : 2004-05-01 DOI: 10.14359/13275
I. R. Naik, R. N. Kraus, Yoon-moon Chun, R. Siddique, E. Botha
{"title":"Properties of Flowable Self-Compacting Slurry Using Quarry By-Products and Ponded CCPs","authors":"I. R. Naik, R. N. Kraus, Yoon-moon Chun, R. Siddique, E. Botha","doi":"10.14359/13275","DOIUrl":"https://doi.org/10.14359/13275","url":null,"abstract":"This paper reports the properties of two series of flowable self-compacting slurry (SCS). In Series 1, a limestone quarry by-product, fine crushed sand (FCS), and ponded-CCPs were used. For Series 2, standard concrete sand and ponded-CCPs were used. For Series 1, five mixtures and for Series 2, six mixtures of flowable SCS were made. Ponded-CCPs and limestone quarry FCS content of the mixtures was expressed as a percentage of total fines. For Series 1 SCS mixtures, ponded-CCPs content was 100, 67, 53, 35, and 0%, and limestone quarry FCS content was 0, 33, 47, 65, and 100%, respectively. In Series 2 SCS mixtures, ponded-CCPs content was 100, 81, 60, 40, 20, and 4%, and standard concrete sand content was 0, 19, 40, 60, 80, and 96%, respectively. For both series of flowable SCS mixtures, tests were performed for flow, density, settlement, compressive strength, and permeability. Setting and hardening, bleeding, and ambient air and CLSM temperatures were also recorded.","PeriodicalId":306727,"journal":{"name":"\"SP-221: Eighth CANMET/ACI International Conference on Fly Ash, Silica Fume, Slag, and Natural Pozzolans in Concrete\"","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2004-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128954055","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Influence of Blast Furnace Slag on Durability of High-Strength Concrete 高炉矿渣对高强混凝土耐久性的影响
"SP-221: Eighth CANMET/ACI International Conference on Fly Ash, Silica Fume, Slag, and Natural Pozzolans in Concrete" Pub Date : 2004-05-01 DOI: 10.14359/13286
Y. Sagawa, H. Matsushita, Y. Maeda, I. Chikada, S. Kaneyasu
{"title":"Influence of Blast Furnace Slag on Durability of High-Strength Concrete","authors":"Y. Sagawa, H. Matsushita, Y. Maeda, I. Chikada, S. Kaneyasu","doi":"10.14359/13286","DOIUrl":"https://doi.org/10.14359/13286","url":null,"abstract":"","PeriodicalId":306727,"journal":{"name":"\"SP-221: Eighth CANMET/ACI International Conference on Fly Ash, Silica Fume, Slag, and Natural Pozzolans in Concrete\"","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2004-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125882724","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
The Role of Fine Supplementary Binder in High Performance Fiber Reinforced Cementitious Composites 精细补充粘结剂在高性能纤维增强胶凝复合材料中的作用
"SP-221: Eighth CANMET/ACI International Conference on Fly Ash, Silica Fume, Slag, and Natural Pozzolans in Concrete" Pub Date : 2004-05-01 DOI: 10.14359/13266
D. Hesselbarth, J. Kaufmann
{"title":"The Role of Fine Supplementary Binder in High Performance Fiber Reinforced Cementitious Composites","authors":"D. Hesselbarth, J. Kaufmann","doi":"10.14359/13266","DOIUrl":"https://doi.org/10.14359/13266","url":null,"abstract":"","PeriodicalId":306727,"journal":{"name":"\"SP-221: Eighth CANMET/ACI International Conference on Fly Ash, Silica Fume, Slag, and Natural Pozzolans in Concrete\"","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2004-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129878969","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Factors Affecting the Autogenous Shrinkage of Ground Granulated Blast-Furnace Slag Cement Concrete 影响高炉矿渣粉粒水泥混凝土自收缩的因素
"SP-221: Eighth CANMET/ACI International Conference on Fly Ash, Silica Fume, Slag, and Natural Pozzolans in Concrete" Pub Date : 2004-05-01 DOI: 10.14359/13291
J. Aldred, S. Lee
{"title":"Factors Affecting the Autogenous Shrinkage of Ground Granulated Blast-Furnace Slag Cement Concrete","authors":"J. Aldred, S. Lee","doi":"10.14359/13291","DOIUrl":"https://doi.org/10.14359/13291","url":null,"abstract":"","PeriodicalId":306727,"journal":{"name":"\"SP-221: Eighth CANMET/ACI International Conference on Fly Ash, Silica Fume, Slag, and Natural Pozzolans in Concrete\"","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2004-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133483578","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
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