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Development of the high performance mechanical tests method of rock materials by means of X-ray CT

X射线CT岩石材料高性能力学测试方法的开发

基本信息

批准号：
18360431
负责人：
SUGAWARA Katsuhiko
金额：
$ 10.52万
依托单位：
Kumamoto University
依托单位国家：
日本
项目类别：
Grant-in-Aid for Scientific Research (B)
财政年份：
2006
资助国家：
日本
起止时间：
2006 至 2007
项目状态：
已结题

来源：
https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-18360431/
关键词：
X-ray CT Mechanical testing method Artificial marker method Contrasted crack projection Fracture toughness

项目摘要

In order to develop the high performance mechanical tests method of rock materials by means of X-ray CT, mainly following research topics have been studied. In the topic of development of visualization and quantification method of liquid-solid two phase flow in rock pore, the wide range and technical of problems related the liquid-solid two phase flow have been solved through a series of permeation tests of high density calcium carbonate solution into the porous stone. In the topic of visualization and evaluation of displacement field of the shear fracture surfaces, the location of the shear surfaces is specified by the special characteristics of relatively large grain in the sample, then the quantitative relation between shear deformation and dilatancy have been investigated. In the topic of the high accuracy measurement of crack geometry by crack projection method, geometry of crack tip shape developed in the materials have been measured by applying crack projection method, and the analyses based on the fracture mechanics have been conducted. In the topic of the measurement of permeation velocity by tracer-aided permeation method, the stability and repeatability of the tests have been confirmed by applying X-ray CT tracer-aided permeation tests to the porous sand stone. In the topic of the high accuracy analysis of grain structure by the characteristic of CT value distribution, the theory of the method have been confirmed by applying the structural analysis method of the grain utilizing the movement of spherical fry ash in the ample. These results of the present study were also applied to various model experiments in laboratory, presenting significant information and minute huge data of indispensable to the researches in geo-science and technology.

为了发展基于x射线CT的岩石材料高性能力学试验方法，主要进行了以下研究课题的研究。在开发岩石孔隙中液固两相流动可视化与量化方法的课题中，通过一系列高密度碳酸钙溶液对多孔岩石的渗透试验，解决了液固两相流动的广谱性和技术性问题。在剪切断裂面位移场的可视化与评价课题中，利用试样中较大颗粒的特殊特性来确定剪切断裂面的位置，研究剪切变形与剪胀量之间的定量关系。在裂纹投影法高精度测量裂纹几何的课题中，应用裂纹投影法测量了材料中裂纹尖端形状的几何形状，并进行了基于断裂力学的分析。在示踪剂辅助渗透法测量渗透速度的课题中，通过对多孔砂岩进行x射线CT示踪剂辅助渗透测试，验证了测试的稳定性和可重复性。在利用CT值分布特征对颗粒结构进行高精度分析的课题中，应用利用试样中球形灰的运动对颗粒进行结构分析的方法，验证了该方法的理论基础。这些研究结果也被应用到实验室的各种模型实验中，为地球科学技术研究提供了不可缺少的重要信息和海量数据。

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）

Experimental study of compaction bands in diatomaceous porous rock

硅藻土多孔岩压实带实验研究

DOI：
发表时间：
2006
期刊：
Advances in X-ray tomography for geomaterials, GeoX2006, Aussois, France, Oct. 4-7, Jacques Desrues, iSTE (Gioacchino Viggiani and Pierre Bessulle, eds.)
影响因子：
0
作者：
小高猛司;岡二三生;北原秀樹;太田浩史;大谷順
通讯作者：
大谷順

Vsualization of 2D diffusion phenomena in rock by means of X-ray CT

利用 X 射线 CT 可视化岩石中的二维扩散现象

DOI：
发表时间：
2006
期刊：
Advances in X-ray Tomography for Geomaterials
影响因子：
0
作者：
T.;Iritani;小池克明;倉持秀敏,大迫政浩,前田光治,中村一夫,酒井伸一;大谷順;磯部博志;倉持秀敏,大迫政浩,前田光治,酒井伸一;大谷順;倉持秀敏;小池克明;倉持秀敏;小池克明;大谷順;前田光治;A. Sato
通讯作者：
A. Sato

微生物代謝を利用した地盤固化材料の廃棄物処分場への適用に関する研究

利用微生物代谢的土壤固化材料在垃圾处理场的应用研究