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Study on physical properties of materials related to the deterioration of stone monuments and brick buildings.

Research Project

Project/Area Number 11650605
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Building structures/materials
Research InstitutionTOKYO NATIONAL RESEARCH INSTITUTE OF CULTURAL PROPERTIES

Principal Investigator

ISHIZAKI Takeshi  Tokyo National Research Institute of Cultural Properties., Head of Physics Section, 保存科学部・物理研究室, 室長 (80212877)

Co-Investigator(Kenkyū-buntansha) MIZOGUCHI Masaru  Graduate School of Agricultural and Life Science, Tokyo University, Associate Professor., 大学院・農学生命科学研究科, 助教授 (00181917)
NOBORIO Kosuke  Faculty of Agriculture, Iwate University, Lecturer., 農学部, 講師 (60311544)
KUCHITSU Nobuaki  Tokyo National Research Institute of Cultural Properties., Senior Researcher., 主任研究官 (50234456)
Project Period (FY) 1999 – 2000
Project Status Completed (Fiscal Year 2000)
Budget Amount *help
¥3,500,000 (Direct Cost: ¥3,500,000)
Fiscal Year 2000: ¥1,500,000 (Direct Cost: ¥1,500,000)
Fiscal Year 1999: ¥2,000,000 (Direct Cost: ¥2,000,000)
Keywordsstone monument / brick building / water retention curve / unsaturated hydraulic conductivity / salt efflorescence / frost damage / unfrozen water / Japanese earthen wall / TDR水分測定装置 / 塩類析出
Research Abstract

(1) Experimental apparatuses were developed to measure moisture retention curve and unsaturated hydraulic conductivity of brick and mortar. The moisture retention curve and hydraulic conductivities of brick and mortar used for historical brick buildings and monuments. The measured results showed that the water content is higher for mortar than that for brick at a given water suction. The unsaturated hydraulic conductivity is higher for mortar than that for brick. The water regime of historical brick buildings and monuments was calculated with finite element method software using measured data. These study were published in Sciencefor Conservation 38,39 and reported at the ASA meeting in Salt Lake City.
(2) Physical properties, such as grain size distribution, pore size distribution and specific surface area of stone, brick and compacted soil taken from historical sites were measured and related to the deterioration of the materials.
(3) The frost heave test apparatus was developed to study the frost susceptibility of building materials. The experimental results showed the ice lens segregation rate is related to the temperature gradient in the frozen zone of the sample. A simple evaluation method of frost susceptibility of material was proposed. This result was published in Science for Conservation, 40.
(4) Mechanism of frost deterioration of Japanese traditional earthen wall was studied. The freezing temperature, water retention curve and frost heave characteristic of composing soil were measured. The experiments showed that the surface layer was less frost susceptible than the inner layer, but if the water content exceeded a critical level, the deterioration process proceeded quickly. These studies revealed the importance of obtaining physical properties of materials to build up suitable counter measures for reducing deterioration process of cultural properties.

Report

(3 results)
  • 2000 Annual Research Report   Final Research Report Summary
  • 1999 Annual Research Report
  • Research Products

    (21 results)

All Other

All Publications (21 results)

  • [Publications] 石崎武志: "タイ国アユタヤの歴史的レンガ建造物中の水分移動解析"保存科学. 38. 154-163 (1999)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] Ishizaki,T: "Frost deterioration process of stone and brick building materials"Proc.10^<th> International Symp.for Building Physics. 2. 827-832 (1999)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] 石崎武志: "タイ国スコータイ遺跡の大仏中の水分移動解析"保存科学. 39. 43-50 (2000)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] Ishizaki,T: "Deterioration of historical stone monuments and brick buildings"Proc.of the 2^<nd> Asia/Pacific conference on durability. 1. 1-14 (2000)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] Ishizaki,T: "Role of water in deterioration of historical stone monuments"Proc.of the New Millennium International Forum on conservation. 1. 69-83 (2000)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] 石崎武志: "土の凍上性評価手法に関する研究"保存科学. 40(印刷中). (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] T.Ishizaki: "Frost deterioration process of stone and brick building materials during freezing"Proc. 10th International Symposium for Building Physics. Vol.2. 827-832 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] N.Kuchitsu, T.Ishizaki and T.Nishiura: "Salt weathering of brick monuments in Ayutthaya, Thailand"Engineering Geology. 55. 91-99 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] T.Ishizaki: "Role of water in deterioration of historical stone monuments and brick buildings in Asia"Proc. of New Millennium International Forum on Conservation of Cultural Property. 69-83 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] K.Noborio, T.Ishizaki and K.Takeda: "Conserving compacted earth walls in a cold region"Proc. of New Millennium International Forum on Conservation of Cultural Property. 192-203 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] T.Ishizaki, J.Simunek and M.van Genuchten: "Deterioration of historical stone monuments and brick buildings and their protective measures"Proc. of the second Asia/Pacific conference on durability of building systems. 1-14 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] T.Ishizaki: "Frost deterioration of historical stone monuments and brick buildings and its protective measures"Proc. on the International Symposium on Ground Freezing and Frost Actions in Soils. 79-84 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] T.Ishizaki: "Experimental Study of Evaluation Method of Frost Susceptibility of Soils"Science for Conservation. 40, (in press). (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] 石崎武志: "土の凍上性評価手法に関する研究"保存科学. 40(印刷中). (2001)

    • Related Report
      2000 Annual Research Report
  • [Publications] 武藤由子: "ガラス多孔質中のアイスレンズの観察"雪氷. 63・1. 3-9 (2001)

    • Related Report
      2000 Annual Research Report
  • [Publications] Ishizaki,T: "Deterioration of historical stone monuments and brick buildings"Proc.of the 2^<nd> Asia/Pacific conference on durability. 1. 1-14 (2000)

    • Related Report
      2000 Annual Research Report
  • [Publications] Ishizaki,T: "Role of water in deterioration of historical stone monuments"Proc.of the New Millennium International Forum on conservation. 1. 69-83 (2000)

    • Related Report
      2000 Annual Research Report
  • [Publications] 石崎武志: "タイ国アユタヤの歴史的レンガ建造物中の水分移動解析"保存科学. 38. 154-163 (1998)

    • Related Report
      1999 Annual Research Report
  • [Publications] 石崎武志: "タイ国スコータイ遺跡の大仏中の水分移動解析"保存科学. 39. 印刷中 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] Ishizaki, T.: "Frost Damage and Weathering Mechanism due to Salt in Cultural Heritage"Proc. on Modeling of deterioration in building components. 6. 257-266 (1998)

    • Related Report
      1999 Annual Research Report
  • [Publications] Ishizaki, T.: "Frost deterioration process of stone and brick building materials"Proc. 10^<th> International Symp. for Building Physics. 2. 827-832 (1999)

    • Related Report
      1999 Annual Research Report

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Published: 1999-04-01   Modified: 2016-04-21  

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