Studies on Frost Resistance of Concrete by Making Dense Surface Layr Using Permeable Sheets and Surface Coating

透水板致密面层与表面涂层混凝土抗冻性能研究

基本信息

  • 批准号:
    04650428
  • 负责人:
  • 金额:
    $ 1.34万
  • 依托单位:
  • 依托单位国家:
    日本
  • 项目类别:
    Grant-in-Aid for General Scientific Research (C)
  • 财政年份:
    1992
  • 资助国家:
    日本
  • 起止时间:
    1992 至 1993
  • 项目状态:
    已结题

项目摘要

(1) Making dense surface layr and its estimation.A total of four permeable sheets, mainly composed of high density and span bond fabric of polyester were examined to make tight surface layr of concrete. When using these sheets, the pits on concrete surface deceased and the surface appearance was greatly improved because of discharge of free water and large air void. Then, the rebound number and the surface layr strength also increased by lowering the water cement ratio.(2) Effect of permeable sheet and surface coating to improvefreeze-thaw resistance of concrete.Using permeable sheets and surface coating, the freeze-thaw resistance and surface layr strenth were greatly improved. A high relationship between the surface layr strength and relative dynamic modulus of elasticity was found, and the strongest correlation was observed between ratio of surface layr strength to initial value and relative dynamic modulus of elasticity. Therefore, the surface layr pull out strength was found to be an excellent index to evaluate the degree of surface layr of concrete due to frost damage.From the facts described above, It was found that the surface treatment such as coating and the use of permeable sheet could greatly improve the damage of the surface layr of concrete due to frost action.
(1)密实面层的制作及其评价以高密度聚酯纤维为主要材料,采用4种透水片材制作混凝土密实面层。使用该片材后,由于自由水的排出和大的空隙率,混凝土表面的麻点减少,表面外观得到很大改善。随着水灰比的降低,回弹值和表层强度也随之增加。(2)透水片材和表面涂层对提高混凝土抗冻融性的作用,透水片材和表面涂层的使用,大大提高了混凝土的抗冻融性和表层强度。表层强度与相对动态弹性模量之间存在高度的相关性,表层强度与初始值的比值与相对动态弹性模量之间的相关性最强。因此,混凝土表层拔出强度是衡量混凝土表层冻害程度的一个很好的指标,通过对混凝土表层进行表面处理,如涂层、透水板等,可以大大改善混凝土表层的冻害程度。

项目成果

期刊论文数量(48)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Takashi Sugawara: "Frost resistance of concrete making dense surface layr" JCI Proceedings of Japan Concrete Institute. C-32. 85-92 (1993)
菅原隆:“形成致密表面层的混凝土的抗冻性”日本混凝土学会 JCI 会议录。
  • DOI:
  • 发表时间:
  • 期刊:
  • 影响因子:
    0
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  • 通讯作者:
T.Sugawara: "Frost Resistance of Concrete with Permeble Sheets and Sureface Coating" Durability of Building Materiales and Components 6. Vol.1. 497-506 (1993)
T.Sukawara:“透水板和表面涂层混凝土的抗冻性”《建筑材料和构件的耐久性》第 6 卷第 1 卷。
  • DOI:
  • 发表时间:
  • 期刊:
  • 影响因子:
    0
  • 作者:
  • 通讯作者:
Yoichi Tsukinaga: "Air void character and pull-off strength in the near surface of concrete using permeable sheets" Durability of building materials and components 6. vol.1. 507-516 (1993)
Yoichi Tsukinaga:“使用透水板的混凝土近表面的气孔特性和拉脱强度”建筑材料和组件的耐久性 6. vol.1。
  • DOI:
  • 发表时间:
  • 期刊:
  • 影响因子:
    0
  • 作者:
  • 通讯作者:
Akihisa Kamiharako: "Some experimental studies of frost resistance of surface layr of concrete" 1993 proceedings of Tohoku Branch of Japan Society of Civil Engineers. 598-599 (1994)
Akihisa Kamiharako:“混凝土表层抗冻性的一些实验研究”1993年日本土木工程学会东北分会论文集。
  • DOI:
  • 发表时间:
  • 期刊:
  • 影响因子:
    0
  • 作者:
  • 通讯作者:
菅原 隆: "透水シート使用コンクリートの表層強度と凍結融解抵抗性" 八戸工業高等専門学校 紀要. 第27号. 135-140 (1992)
菅原隆:“使用透水板的混凝土的表面强度和抗冻融性”八户工业大学公报第27号135-140(1992年)。
  • DOI:
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  • 影响因子:
    0
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SUGAWARA Takashi其他文献

SUGAWARA Takashi的其他文献

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{{ truncateString('SUGAWARA Takashi', 18)}}的其他基金

Study of the durability improvement of the cold northern district concrete structures using permeable form method
透水模板法提高北方寒冷地区混凝土结构耐久性研究
  • 批准号:
    15K06174
  • 财政年份:
    2015
  • 资助金额:
    $ 1.34万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Evolution of sexual systems in Gynochthodes umbellata and its allies (Rubiaceae)
Gynochthodes umbellata 及其近亲(茜草科)性系统的进化
  • 批准号:
    22570096
  • 财政年份:
    2010
  • 资助金额:
    $ 1.34万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Development of highly durable concrete products to resist frost and salt damage
开发高耐用混凝土产品以抵抗霜冻和盐害
  • 批准号:
    22560469
  • 财政年份:
    2010
  • 资助金额:
    $ 1.34万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Species diversity and differentiation of Asarum in the Ryukyu Islands
琉球群岛细辛的物种多样性与分化
  • 批准号:
    19570091
  • 财政年份:
    2007
  • 资助金额:
    $ 1.34万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Molecular Phylogenetic Analysis of Asarum sect.Euheterotropa Based on Chloroplast trnL/F and Nuclear rDNA ITS Sequences.
基于叶绿体 trnL/F 和核 rDNA ITS 序列的细辛属真异性分子系统发育分析。
  • 批准号:
    14540649
  • 财政年份:
    2002
  • 资助金额:
    $ 1.34万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
STUDY ON THE IMPROVEMENT OF FROST RESISTANCE OF CONCRETE FACTORY PRODUCT UNDER SEVERE CONDITIONS
恶劣条件下混凝土工厂产品抗冻性能提高的研究
  • 批准号:
    14550472
  • 财政年份:
    2002
  • 资助金额:
    $ 1.34万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Study on The Quality of Surface Layr Concrete Due to Frost Damage
表层混凝土冻害质量研究
  • 批准号:
    07650534
  • 财政年份:
    1995
  • 资助金额:
    $ 1.34万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Daily rhythm and activation mechanism of the oviposition behavior in the cricket.
蟋蟀产卵行为的日常节律和激活机制。
  • 批准号:
    07640908
  • 财政年份:
    1995
  • 资助金额:
    $ 1.34万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Geographical variation in Asarum takaoi F.Maekawa (sensu lato)
高追细辛 (Asarum takaoi F.Maekawa) 的地理变异 (sensu lato)
  • 批准号:
    05640780
  • 财政年份:
    1993
  • 资助金额:
    $ 1.34万
  • 项目类别:
    Grant-in-Aid for General Scientific Research (C)

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