Study on the Generating Mechanism of the Separation of Building Finishing Materials and Establishment of Separation Preventing Technology

建筑装饰材料离层产生机理研究及防离层技术建立

基本信息

  • 批准号:
    17560509
  • 负责人:
  • 金额:
    $ 2.11万
  • 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:
    2005
  • 资助国家:
    日本
  • 起止时间:
    2005 至 2006
  • 项目状态:
    已结题

项目摘要

The purpose of this study is to clarify the separation generating mechanism in the laminated composites of reinforced concrete building and wooden building, and it carried out in order to verify and propose effective separation prevention technology from both sides of an experiment and numerical analysis.(1) It was clarified by FEM analysis that the separation between the finishing mortar and concrete is easy to occur when ambient temperature falls rapidly.(2)By permeation of the water to the interface of mortar and concrete, especially at the part that a deformation of finish mortar is restrained, adhesive strength really leads to decrease d.(3) At the slanting outer wall with the high possibility of the flood by rain, it was clarified that it is so important to prevent the permeation of water into the interface of mortar and concrete.(4) When constructing in about 20-degree Centigrade environment, it was shown that the curing period of concrete can maintain comparatively high quality at least three days.In about 10-degree Centigrade environment, it was shown clearly that the resistance over sun shine and a water spray can be kept high by curing period on the 10 days or more.(5)In about 30-degree Centigrade environment, the tendency that the adhesive strength decreased by sun shine and water spray was accepted. In the range of this experiment, it was shown in the environment the hot season that it is desirable to secure a curing period 14 days or more.
本研究旨在阐明钢筋混凝土建筑与木结构建筑层合复合材料层间分离的产生机理,并从试验和数值分析两方面进行验证,提出有效的防分离技术。(1)有限元分析表明,当环境温度急剧福尔斯时,饰面砂浆与混凝土之间容易发生分离。(2)By水向砂浆与混凝土界面的渗透,特别是在饰面砂浆变形受到抑制的部分,粘结强度确实会导致d. (3)在雨水容易造成浸水的倾斜外墙处,防止水渗入砂浆与混凝土的界面是非常重要的。(4)在20 ℃左右的环境下施工时,混凝土的养护期至少为3天,可以保持较高的质量;在10 ℃左右的环境下,养护期为10天以上,可以保持较高的耐日晒性和耐喷水性。(5)In在约30 ℃的环境中,粘合强度因阳光照射和喷水而降低的趋势是可以接受的。在本实验范围内,在炎热季节的环境中,希望确保14天或更长的固化期。

项目成果

期刊论文数量(18)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Study on Establishing the Objective-base c Durability Design for Architectural Wet Finishing Materials Part3 The Fundamental Experiment for Prevention of Segregation between concrete and finishing mortar.
建立建筑湿饰面材料客观耐久性设计的研究第三部分:防止混凝土与饰面砂浆离析的基础实验。
建築湿式仕上材を対象とした目的指向型耐久設計の確立に関する研究 その1 研究概要とモルタルの収縮特性に対する基礎実験
建立以目的为导向的建筑湿饰面材料耐久性设计研究第1部分砂浆收缩特性研究综述与基础实验
STUDY ON PREVENTING METHOD FOR SEPARATION AND CRACK OF THE LATH MORTAR OF WOODEN HOUSES
防止木房屋板条砂浆脱裂和开裂方法的研究
コンクリートと左官モルタルの接着一体性に及ぼす初期養生の影響
初始养护对混凝土与抹灰砂浆粘结完整性的影响
  • DOI:
  • 发表时间:
    2007
  • 期刊:
  • 影响因子:
    0
  • 作者:
    小山智幸;山口謙太郎;伊藤是清;小山田英弘;松藤泰典;他;森田 翔;神野 貴紀;根本 かおり
  • 通讯作者:
    根本 かおり
木造住宅におけるラスモルタルの剥離およびひび割れ制御に関する研究
木屋板条砂浆剥落及开裂控制研究
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OHKUBO Takaaki其他文献

OHKUBO Takaaki的其他文献

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{{ truncateString('OHKUBO Takaaki', 18)}}的其他基金

A study on the establishment of durable diagnostic technology in the use of MEMS with an emphasis on applicability to a real building
研究建立使用 MEMS 的耐用诊断技术,重点是对真实建筑的适用性
  • 批准号:
    22360227
  • 财政年份:
    2010
  • 资助金额:
    $ 2.11万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
Establishment of repairing method and repair effect verificatio ntechnology for cracks with movement occurred in building walls
建筑墙体移动裂缝修复方法及修复效果验证技术的建立
  • 批准号:
    19360250
  • 财政年份:
    2007
  • 资助金额:
    $ 2.11万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
A Study on Hot Weather Concrete in High Temperature Ambience
高温环境下高温混凝土的研究
  • 批准号:
    01550444
  • 财政年份:
    1989
  • 资助金额:
    $ 2.11万
  • 项目类别:
    Grant-in-Aid for General Scientific Research (C)

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