Study on the estimation method of the mechanical characteristics and internal stresses of existing dam concrete

既有大坝混凝土力学特性及内应力估算方法研究

基本信息

  • 批准号:
    19560462
  • 负责人:
  • 金额:
    $ 2.66万
  • 依托单位:
  • 依托单位国家:
    日本
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
  • 财政年份:
    2007
  • 资助国家:
    日本
  • 起止时间:
    2007 至 2009
  • 项目状态:
    已结题

项目摘要

Many concrete dams were constructed for hydroelectric power generation in Japan to meet the growing electric power energy demand after World War II. More than 40 years have passed already since the construction of these dams. For their appropriate maintenance, it is necessary to establish a safety evaluation method for dams based on their present conditions. That is, to verify the long-term safety of an existing dam, the mechanical properties of concrete that composes the dam must be accurately evaluated and the upgrade of the prediction methd of an internal stress of the dam concrete is also necessary. As a result, it was proposed the method to estimate a Young's modulus of dam concrete from the Yonug's modulus of the cement paste and the aggregate based on the composite theory. In addition, as a result of simulation of the gravity-type dam it was clarified that the probability of cracking of surface concrete increased when self-shrinkage was considered.
第二次世界大战后,为了满足日益增长的电力能源需求,日本建造了许多用于水力发电的混凝土水坝。这些大坝建成至今已有40多年。为了对大坝进行适当的维护,有必要建立一种基于大坝现状的安全评价方法。也就是说,为了验证既有大坝的长期安全性,必须准确地评估构成大坝的混凝土的力学性能,并对大坝混凝土内应力的预测方法进行升级。在此基础上,提出了基于复合理论的由水泥浆体和骨料的杨氏模量估算大坝混凝土杨氏模量的方法。此外,通过对重力型大坝的模拟,阐明了考虑自收缩时,表面混凝土开裂的概率增大。

项目成果

期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
コンクリートダムのヤング係数推定法の提案
混凝土坝杨氏系数估算方法的提出
  • DOI:
  • 发表时间:
    2010
  • 期刊:
  • 影响因子:
    0
  • 作者:
    渡邉克樹;小笠原匠;遠藤孝夫;李相勲
  • 通讯作者:
    李相勲
Numerical simulations for numbers of freeze and thaw cycles with depth direction from surface of concrete structures
混凝土结构表面深度方向冻融循环次数的数值模拟
  • DOI:
  • 发表时间:
    2008
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Lianming Sun;Akira Sano;石川 雅美
  • 通讯作者:
    石川 雅美
Determination of the static elastic constant of concrete derived from the elastic constant of cement paste
由水泥浆体弹性常数测定混凝土静弹性常数
  • DOI:
  • 发表时间:
    2008
  • 期刊:
  • 影响因子:
    0
  • 作者:
    H. Kano;H. Fujioka;C. F. Martin;遠藤 孝夫
  • 通讯作者:
    遠藤 孝夫
ダムコンクリートのヤング係数推定法の提案
大坝混凝土杨氏模量估算方法的提出
  • DOI:
  • 发表时间:
    2010
  • 期刊:
  • 影响因子:
    0
  • 作者:
    渡邉克樹;小笠原匠;遠藤孝夫;李相勲
  • 通讯作者:
    李相勲
コンクリートダムの打設シミュレーションとひび割れ係数の検討
混凝土坝浇筑模拟及裂缝系数研究
  • DOI:
  • 发表时间:
    2010
  • 期刊:
  • 影响因子:
    0
  • 作者:
    小笠原匠;渡邉克樹;遠藤孝夫;李相勲
  • 通讯作者:
    李相勲
{{ item.title }}
{{ item.translation_title }}
  • DOI:
    {{ item.doi }}
  • 发表时间:
    {{ item.publish_year }}
  • 期刊:
  • 影响因子:
    {{ item.factor }}
  • 作者:
    {{ item.authors }}
  • 通讯作者:
    {{ item.author }}

数据更新时间:{{ journalArticles.updateTime }}

{{ item.title }}
  • 作者:
    {{ item.author }}

数据更新时间:{{ monograph.updateTime }}

{{ item.title }}
  • 作者:
    {{ item.author }}

数据更新时间:{{ sciAawards.updateTime }}

{{ item.title }}
  • 作者:
    {{ item.author }}

数据更新时间:{{ conferencePapers.updateTime }}

{{ item.title }}
  • 作者:
    {{ item.author }}

数据更新时间:{{ patent.updateTime }}

ENDO Takao其他文献

ENDO Takao的其他文献

{{ item.title }}
{{ item.translation_title }}
  • DOI:
    {{ item.doi }}
  • 发表时间:
    {{ item.publish_year }}
  • 期刊:
  • 影响因子:
    {{ item.factor }}
  • 作者:
    {{ item.authors }}
  • 通讯作者:
    {{ item.author }}

{{ truncateString('ENDO Takao', 18)}}的其他基金

Fundamental study of Waldorf school movements under Nazism regime
纳粹政权下华德福学校运动的基础研究
  • 批准号:
    26590184
  • 财政年份:
    2014
  • 资助金额:
    $ 2.66万
  • 项目类别:
    Grant-in-Aid for Challenging Exploratory Research
Study on the process of acquiring the legal status of the Steiner schools and its teacher training institutions
施泰纳学校及其师资培训机构取得法律地位的过程研究
  • 批准号:
    23653234
  • 财政年份:
    2011
  • 资助金额:
    $ 2.66万
  • 项目类别:
    Grant-in-Aid for Challenging Exploratory Research
Research on teacher training system of Steiner school
施泰纳学校教师培训体系研究
  • 批准号:
    20530713
  • 财政年份:
    2008
  • 资助金额:
    $ 2.66万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Fundamental Study on the Creation of the "Science of Teacher Education" and the Development of the New System for Teacher Education
“教师教育科学”创建与教师教育新体系构建的基础研究
  • 批准号:
    16530489
  • 财政年份:
    2004
  • 资助金额:
    $ 2.66万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Important Factors Affecting the Stability of Substructure in Heat-resistant Materials
影响耐热材料亚结构稳定性的重要因素
  • 批准号:
    15560602
  • 财政年份:
    2003
  • 资助金额:
    $ 2.66万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Effect of proton pump inhibitor and COX2 inbitor upon Barrett's intestinal metaplasia.
质子泵抑制剂和COX2抑制剂对Barrett肠化生的影响。
  • 批准号:
    15590664
  • 财政年份:
    2003
  • 资助金额:
    $ 2.66万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
STRAIN ENHANCED GROWTH OF PRECIPITATES CONTRIBUTING TO THE SUBSTRUCTURE STABILITY OF HIGH STRENGTH HEAT RESISTANT MATERIALS
应变增强的析出物生长有助于高强度耐热材料的组织稳定性
  • 批准号:
    13650755
  • 财政年份:
    2001
  • 资助金额:
    $ 2.66万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Comparison between Barren's intestinal metaplasia and gastric intestinal metaplasia
Barren肠化生与胃肠化生的比较
  • 批准号:
    13670533
  • 财政年份:
    2001
  • 资助金额:
    $ 2.66万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
STRESS ACCELERATION FACTOR, Ω AND STRENGTHENING MECHANISMS CONTROLLING MECHANICAL PROPERTIES OF HIGH NITROGEN HEAT RESISTANT STEELS AT ELEVATED TEMPERATURES
应力加速因子Ω和控制高氮耐热钢高温力学性能的强化机制
  • 批准号:
    11650717
  • 财政年份:
    1999
  • 资助金额:
    $ 2.66万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
The Comprehensive Research on the Expansion of School Autonomy in Present Germany and Its Historical Background
当代德国学校自治扩张及其历史背景综合研究
  • 批准号:
    11610240
  • 财政年份:
    1999
  • 资助金额:
    $ 2.66万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)

相似海外基金

Mechanism of leaching and its impact on performance and functional degradation in dams and their attached structures
淋滤机制及其对大坝及其附属结构性能和功能退化的影响
  • 批准号:
    22K04258
  • 财政年份:
    2022
  • 资助金额:
    $ 2.66万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Study on unusual deterioration of concrete servicing in acid environment
酸性环境下混凝土异常劣化研究
  • 批准号:
    22560479
  • 财政年份:
    2010
  • 资助金额:
    $ 2.66万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
{{ showInfoDetail.title }}

作者:{{ showInfoDetail.author }}

知道了