SP-223: Investigating Concrete-Selected Works of Bryant and Katharine Mather最新文献

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Crystal Growth In Entrained-Air Voids 在夹带空气的空隙中晶体生长
B. Mather
{"title":"Crystal Growth In Entrained-Air Voids","authors":"B. Mather","doi":"10.14359/13498","DOIUrl":"https://doi.org/10.14359/13498","url":null,"abstract":"","PeriodicalId":253577,"journal":{"name":"SP-223: Investigating Concrete-Selected Works of Bryant and Katharine Mather","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114070215","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: 11
High-Performance Concrete In The U.S. Army Corps Of Engineers 高性能混凝土在美国陆军工程兵团
B. Mather
{"title":"High-Performance Concrete In The U.S. Army Corps Of Engineers","authors":"B. Mather","doi":"10.14359/13507","DOIUrl":"https://doi.org/10.14359/13507","url":null,"abstract":"In 1970, when confronted with the problem of severe abrasion-erosion damage in stilling basins below dams, a solution was found in the development of concretes having strengths greater than 100 MPa. This was done using silica fume and high-range water-reducing admixtures. Similar and higher-strength high-performance concretes have also been developed for defense purposes as part of the protective-structures portion of the U.S. military research and development (R&D) program. When stronger concrete or concrete that must resist a more severe exposure is needed, the Corps of Engineers' concrete R&D capability has been able to develop it, and it probably will continue to be able to do so.","PeriodicalId":253577,"journal":{"name":"SP-223: Investigating Concrete-Selected Works of Bryant and Katharine Mather","volume":"88 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123272041","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: 0
How To Make Concrete That Will Be Immune To The Effects Of Freezing And Thawing 如何制作不受冻融影响的混凝土
B. Mather
{"title":"How To Make Concrete That Will Be Immune To The Effects Of Freezing And Thawing","authors":"B. Mather","doi":"10.14359/13497","DOIUrl":"https://doi.org/10.14359/13497","url":null,"abstract":"This paper describes how concrete will be immune to the effects of freezing and thawing if: (1) it is not in an environment where freezing and thawing take place so as to cause freezable water in the concrete to freeze; (2) when freezing takes place there are no pores in the concrete large enough to hold freezable water (i.e., no capillary cavities); (3) during freezing of freezable water, the pores containing freezable water are never more than 91 percent filled, i.e., not critically saturated; and (4) during freezing of freezable water the pores containing freezable water are more than 91 percent full, the paste has an air-void system with an air bubble located not more than 0.2 mm (0.008 in.) form anywhere (L less than or equal to 0.2mm), sound aggregate, and moderate maturity. Sound aggregate is aggregate that does not contain significant amounts of accessible capillary pore space that is likely to be critically saturated when freezing occurs. The way to establish that such is the case, is to subject properly air-entrained, properly mature concrete, made with the aggregate in question, to an appropriate laboratory freezing-and-thawing test such as the ASTM C 666 Procedure A. Moderate maturity means that the originally mixing water-filled space has been reduced by cement hydration so that the remaining capillary porosity that can hold freezable water is a small enough fractional volume of the paste so that the expansion of the water on freezing can be accommodated by the air-void system. Such maturity was shown by Klieger in 1956 to have been attained when compressive strength reaches about 4,000 psi.","PeriodicalId":253577,"journal":{"name":"SP-223: Investigating Concrete-Selected Works of Bryant and Katharine Mather","volume":"473 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124393218","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: 20
Reflections On Concrete Durability And On International Conferences On Concrete Durability 关于混凝土耐久性的思考及混凝土耐久性国际会议
Katherine, B. Mather
{"title":"Reflections On Concrete Durability And On International Conferences On Concrete Durability","authors":"Katherine, B. Mather","doi":"10.14359/13496","DOIUrl":"https://doi.org/10.14359/13496","url":null,"abstract":"","PeriodicalId":253577,"journal":{"name":"SP-223: Investigating Concrete-Selected Works of Bryant and Katharine Mather","volume":"188 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1987-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114391583","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
"Sulfate Soundness, Sulfate Attack, And Expansive Cement In Concrete" 混凝土中的硫酸盐安定性、硫酸盐侵蚀和膨胀水泥
B. Mather
{"title":"\"Sulfate Soundness, Sulfate Attack, And Expansive Cement In Concrete\"","authors":"B. Mather","doi":"10.14359/13501","DOIUrl":"https://doi.org/10.14359/13501","url":null,"abstract":"This paper describes how the phenomena related to the formation of hydrated sulfates in concrete, or in aggregates, cement pastes, or mortars has been investigated for many years for a variety of purposes. The cyclic immersion of aggregate particles in solutions of sodium or magnesium sulfate, followed by drying, is the basis of one of the oldest procedures employed to develop data purported to relate to aggregate \"soundness.\" The storage of mortar specimens in sulfate solution is the basis of many tests for sulfate resistance of cements. Sulfate-resistance testing procedures in which the mortar is mixed with added sulfate and the specimens are stored in the water are in widespread use. These latter procedures are similar to procedures employed in studies of expansive cements.","PeriodicalId":253577,"journal":{"name":"SP-223: Investigating Concrete-Selected Works of Bryant and Katharine Mather","volume":"94 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1969-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131792557","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: 7
Applications Of Light Microscopy In Concrete Research 光学显微镜在混凝土研究中的应用
K. Mather
{"title":"Applications Of Light Microscopy In Concrete Research","authors":"K. Mather","doi":"10.1520/STP47927S","DOIUrl":"https://doi.org/10.1520/STP47927S","url":null,"abstract":"","PeriodicalId":253577,"journal":{"name":"SP-223: Investigating Concrete-Selected Works of Bryant and Katharine Mather","volume":"83 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124853202","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: 5
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