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  • Trans Tech Publications, Ltd.  (8)
  • Song, Wei Min  (8)
  • 2010-2014  (8)
Material
Publisher
  • Trans Tech Publications, Ltd.  (8)
Person/Organisation
Language
Years
  • 2010-2014  (8)
Year
  • 1
    Online Resource
    Online Resource
    Autogenous Volume Deformation and Creep Properties Analysis of C60 High Performance Concrete and C60 High Strength Concrete
    Trans Tech Publications, Ltd. ; 2013
    In:  Advanced Materials Research Vol. 639-640 ( 2013-1), p. 364-367
    Details
    In: Advanced Materials Research, Trans Tech Publications, Ltd., Vol. 639-640 ( 2013-1), p. 364-367
    Abstract: Based on engineering practice, autogenous volume deformation and creep properties of C60 high performance concrete(C60 HPC) and C60 high strength concrete(C60 HSC) were evaluated in the study. The results showed that the cement partly-replaced with fly ash could significantly decrease the creep deformation, creep coefficient and creep degree. In comparison with C60 HSC, the creep coefficient and creep degree of C60 HPC were decreased 17.9％and15.8％ in 28 days, 22.9% and 21.0% in 270 days. For C60 HPC and C60 HSC at the same age, autogenous volume deformation of C60 HPC is greater than that of C60 HSC, but they were both less than 80×10-6 , and the autogenous volume deformation was basically completed in 7 days.
    Type of Medium: Online Resource
    ISSN: 1662-8985
    URL: Issue
    URL: Article
    DOI: 10.4028/www.scientific.net/AMR.639-640
    DOI: 10.4028/www.scientific.net/AMR.639-640.364
    Language: Unknown
    Publisher: Trans Tech Publications, Ltd.
    Publication Date: 2013
    detail.hit.zdb_id: 2265002-7
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    Online Resource
  • 2
    Online Resource
    Online Resource
    Research on Self-Compacting Concrete Made with Recycled Aggregate
    Trans Tech Publications, Ltd. ; 2013
    In:  Advanced Materials Research Vol. 639-640 ( 2013-1), p. 399-403
    Details
    In: Advanced Materials Research, Trans Tech Publications, Ltd., Vol. 639-640 ( 2013-1), p. 399-403
    Abstract: It is studied the effect of binder quantity, water binder ratio on properties of self-compacting concrete made with recycled coarse aggregates. It can be prepared C50 self-compacting concrete made with recycled coarse aggregate by adjusting send proportion, binder quantity, and mixing mineral additive. For example, when the binder quantity is 600 kg/m3, water binder ratio is 0.28, the flexural strength and compressive strength at 28 days of self-compacting concrete made with recycled coarse aggregates are 9.07 MPa and 68.47 MPa respectively.
    Type of Medium: Online Resource
    ISSN: 1662-8985
    URL: Issue
    URL: Article
    DOI: 10.4028/www.scientific.net/AMR.639-640
    DOI: 10.4028/www.scientific.net/AMR.639-640.399
    Language: Unknown
    Publisher: Trans Tech Publications, Ltd.
    Publication Date: 2013
    detail.hit.zdb_id: 2265002-7
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    Online Resource
  • 3
    Online Resource
    Online Resource
    Effects of Mineral Admixtures and Superplasticizer on Controlling Hydration Heat of Cementitious Materials
    Trans Tech Publications, Ltd. ; 2013
    In:  Advanced Materials Research Vol. 639-640 ( 2013-1), p. 368-371
    Details
    In: Advanced Materials Research, Trans Tech Publications, Ltd., Vol. 639-640 ( 2013-1), p. 368-371
    Abstract: The effects of mineral admixtures and superplasticizer on reducing the hydration heat of cementitious material were evaluated in this study, and the heat evolution rate and hydration heat were tested as the two parameters to evaluate the effect of improvement. The results showed that the cement partly-replaced with fly ash (FA) and slag (SG) could significantly decrease the release rate of hydration heat on the early stage of hydration, and lower the peak value of the heat evolution rate. The superplasticizer (TJ-Ⅲ) could reduce the hydration heat mainly on the early stage of hydration, and extended the induction period. In comparison with slag, the fly ash had more active effects on reducing the peak value and release rate of hydration heat.
    Type of Medium: Online Resource
    ISSN: 1662-8985
    URL: Issue
    URL: Article
    DOI: 10.4028/www.scientific.net/AMR.639-640
    DOI: 10.4028/www.scientific.net/AMR.639-640.368
    Language: Unknown
    Publisher: Trans Tech Publications, Ltd.
    Publication Date: 2013
    detail.hit.zdb_id: 2265002-7
    Location Call Number Limitation Availability
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    Online Resource
  • 4
    Online Resource
    Online Resource
    Influence of Mineral Additions on the Anti-Cracking Performance of Recycled Aggregate Concrete
    Trans Tech Publications, Ltd. ; 2013
    In:  Advanced Materials Research Vol. 639-640 ( 2013-1), p. 394-398
    Details
    In: Advanced Materials Research, Trans Tech Publications, Ltd., Vol. 639-640 ( 2013-1), p. 394-398
    Abstract: The effect of fly ash (FA) and slag (SG) on the anti-cracking performance of recycled aggregate concrete (RAC) is discussed, taking the toughness index as the concrete anti-cracking performance evaluation index, and the mechanism of action is researched at the meantime. The experimental results show that the strength of RAC is reduced when containing fly ash only or slag only, but the crack-resistance of RAC is improved significantly at 3 days and 28 days of hydration process of RAC. Furthermore, the 28 days anti-cracking performance of RCA improved significantly with 30% FA single-doped or 20% SG single-doped .It can improve the 28 days anti-cracking performance of RAC, by using double-mixture of fly ash and slag, there is an optimal FA/SG ratio and a best total content, the FA/SG ratio is 3:1 and the total content is 30%.
    Type of Medium: Online Resource
    ISSN: 1662-8985
    URL: Issue
    URL: Article
    DOI: 10.4028/www.scientific.net/AMR.639-640
    DOI: 10.4028/www.scientific.net/AMR.639-640.394
    Language: Unknown
    Publisher: Trans Tech Publications, Ltd.
    Publication Date: 2013
    detail.hit.zdb_id: 2265002-7
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    Online Resource
  • 5
    Online Resource
    Online Resource
    Application of Fractal Theory on the Cement Stabilized Recycled Course Aggregate Base Material
    Trans Tech Publications, Ltd. ; 2013
    In:  Advanced Materials Research Vol. 639-640 ( 2013-1), p. 389-393
    Details
    In: Advanced Materials Research, Trans Tech Publications, Ltd., Vol. 639-640 ( 2013-1), p. 389-393
    Abstract: This paper studied different size-distribution of recycled coarse aggregates by fractal theory. Cement Stabilized Recycled Aggregate Mixture were prepared by different fractal rate aggregate gradations and the unconfined compressive strength at 7 d and 28 d of the materials were tested. The results showed that the unconfined compressive strength at 7 d and 28 d of the materials with recycled coarse aggregate were higher than the one with natural aggregate when coarse aggregate gradations were same. The higher source rock strength of recycled coarse aggregate was, the larger base material strength was. Generally, the increase of fractal dimension is conducive to the growth of strength. The base materials performances of the same fractal dimension were different when the max particle size was different. So the fractal dimension of recycled coarse aggregate must be determined by maximum particle size.
    Type of Medium: Online Resource
    ISSN: 1662-8985
    URL: Issue
    URL: Article
    DOI: 10.4028/www.scientific.net/AMR.639-640
    DOI: 10.4028/www.scientific.net/AMR.639-640.389
    Language: Unknown
    Publisher: Trans Tech Publications, Ltd.
    Publication Date: 2013
    detail.hit.zdb_id: 2265002-7
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    Online Resource
  • 6
    Online Resource
    Online Resource
    Study on the Performance and Application of High Performance Pavement Portland Cement Concrete
    Trans Tech Publications, Ltd. ; 2013
    In:  Advanced Materials Research Vol. 639-640 ( 2013-1), p. 411-416
    Details
    In: Advanced Materials Research, Trans Tech Publications, Ltd., Vol. 639-640 ( 2013-1), p. 411-416
    Abstract: Because of some drawbacks including low strength, poor dimensional stability, low abrasion resistance, easy to crack and other shortcomings, Portland cement concrete was limited to use as a dominant pavement material in highway construction. This paper studied the feasibility of making high performance pavement concrete by adding 20-40% of high-quality composite ultra-fine fly ash (CUFA) technology to achieve high-performance of concrete roads have been studied. The test results indicated that: with cementitious material content of 360~400 kg/m3 and CUFA content of 20% ~ 40%, adding CUFA improved the workability of concrete significantly; in the meantime, the 28d compressive strength was as high as 50 MPa, and the later strength of concrete continued growing. The designed concrete satisfied the requirements of opening to traffic after 3 days after the construction and heavy and extra heavy traffic in 28 days. The durability, especially the abrasion resistance, and the crack-resistance were improved significantly. The designed pavement concrete not only had a good compressive performance for practical engineering but also had good technical, economic, social and environmental benefits.
    Type of Medium: Online Resource
    ISSN: 1662-8985
    URL: Issue
    URL: Article
    DOI: 10.4028/www.scientific.net/AMR.639-640
    DOI: 10.4028/www.scientific.net/AMR.639-640.411
    Language: Unknown
    Publisher: Trans Tech Publications, Ltd.
    Publication Date: 2013
    detail.hit.zdb_id: 2265002-7
    Location Call Number Limitation Availability
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    Online Resource
  • 7
    Online Resource
    Online Resource
    The Influence of Mineral Admixtures on the Wear-Resisting Property of Recycled Aggregate Concrete
    Trans Tech Publications, Ltd. ; 2013
    In:  Advanced Materials Research Vol. 639-640 ( 2013-1), p. 417-422
    Details
    In: Advanced Materials Research, Trans Tech Publications, Ltd., Vol. 639-640 ( 2013-1), p. 417-422
    Abstract: It was tested the strength and wear value of recycled aggregate concrete mixing fly ash, slag, silica fume and double-mixture or three-mixture in deferent age. The results show that the wear value of recycled aggregate concrete mixing 30% fly ash is more than reference concrete at 3days, but can improve final wear-resisting property significantly. The wear value of recycled aggregate concrete mixing 30% double-mixture of fly ash and silica fume is much lower than reference concrete at 3days, and improve early wear-resisting property significantly. The flexural strength of the concrete is 4.26MPa at 3days, which can satisfy the traffic requirement. The wear value of recycled aggregate concrete mixing 30% three-mixture of fly ash, slag and silica fume is lower than reference concrete at 3days, but the declining rate is not significant. It investigates mechanics of double-mixture technique which improves wear-resisting property at the same time.
    Type of Medium: Online Resource
    ISSN: 1662-8985
    URL: Issue
    URL: Article
    DOI: 10.4028/www.scientific.net/AMR.639-640
    DOI: 10.4028/www.scientific.net/AMR.639-640.417
    Language: Unknown
    Publisher: Trans Tech Publications, Ltd.
    Publication Date: 2013
    detail.hit.zdb_id: 2265002-7
    Location Call Number Limitation Availability
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    Online Resource
  • 8
    Online Resource
    Online Resource
    Study on Preparation of High Early Strength Recycled Aggregate Concrete
    Trans Tech Publications, Ltd. ; 2013
    In:  Advanced Materials Research Vol. 639-640 ( 2013-1), p. 404-410
    Details
    In: Advanced Materials Research, Trans Tech Publications, Ltd., Vol. 639-640 ( 2013-1), p. 404-410
    Abstract: An orthogonal experimental design method was adopted for the mix design of high early strength recycled aggregate concrete (HSRAC), and the influence of water-binder ratio, percentage of recycled aggregate(RA）and highly active compound mineral admixture (HACMA) content on the strength of the concrete was discussed. The test results indicated that water-binder ratio was the most principal and significant influencing factor on the strength of HSRAC, regardless of age. An empirical relationship among the strength of HSRAC, the water-binder ratio, the percentage of recycled aggregate and HACMA content was proposed by using multivariate regression analysis. The demand of opening heavy or heavier traffics and rapid repair concrete on strength to HSRAC could be all met.
    Type of Medium: Online Resource
    ISSN: 1662-8985
    URL: Issue
    URL: Article
    DOI: 10.4028/www.scientific.net/AMR.639-640
    DOI: 10.4028/www.scientific.net/AMR.639-640.404
    Language: Unknown
    Publisher: Trans Tech Publications, Ltd.
    Publication Date: 2013
    detail.hit.zdb_id: 2265002-7
    Location Call Number Limitation Availability
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    Online Resource
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