Based on the theory of coal or rock damage and the character of coal or rock connatural lacuna, a acoustic e-mission( AE) mathematical model describing the variation of rock damage is established, and theorize the relation between the rate of AE and the process of strain, the rate of strain, coal or rock uniformity, original damage, material connatural character, and so on.
利用煤岩损伤理论和煤岩材料的固有缺陷分布特征,推导了煤岩破坏过程中的声发射理论模型,建立了岩石声发射率与应变过程、加载速率、材料均质度、初始损伤、材料固有特性等的理论关系;通过实验验证了该模型的正确性;理论推导、计算机模拟和实验室试验证实,均质度不同的岩石等材料应变过程中,声发射率变化规律有3种模式,即随应变增加,声发射率(指数)上升型、先升后降型和平稳型。
Three-Dimensional Finite Element Analyses of the Vertical Bearing Behavior of Pile Foundations with Defective Piles;
含有缺陷桩的桩基础竖向承载性状的三维有限元分析
Analysis and Treatment of Pile Foundation Defects on Static Pressure Pre-stressed High Concrete Pipe Pile
静压PHC管桩桩基缺陷分析与处理
Study on Damping of Pile-Soil Interaction in Quantitative Analysis of Defects;
基桩缺陷量化分析中桩土相互作用阻尼的研究
Renovation of Cast-in Place Concrete Pile by Compacted Grouting Technology
压密注浆修复混凝土灌注桩桩身缺陷施工技术
Application of the Concrete Filled Steel Pipe Pile in Defect Treatment of Pipe Pile
微型钢管混凝土桩在管桩缺陷处理中的应用
- It has a serious flaw!
-它有严重的缺陷!
Prevention of quality defect in hole drilling grout pillar;
桥梁钻孔灌注桩质量缺陷分析及防治
The Characteristics of Defects and Analysis of Causes of Underwater Cast-in-place Pile;
水下灌注桩常见缺陷特征与成因分析
Limitation of applying CFG piles composition foundation in special worksite
浅谈特殊环境中CFG桩复合地基的缺陷
Common Quality Defects and Prevention Measures of Cast-in-place Bored Pile
钻孔灌注桩常见质量缺陷及防治措施
Study on Pile Integrity Testing and Its Defective Verification by Reflect Wave Method
反射波法(P.I.T.)基桩检测与缺陷验证研究
the state of being without a flaw or defect.
没有缺点或缺陷的状态。
Prof: Flawed? Can you explain how?
教授：有缺陷的？你能解释怎么有缺陷吗？
Probe into Causation Analysis of Bored Pile Defects and Reinforcement Measures
钻孔灌注桩桩身缺陷的原因分析及补强措施探讨
Transient Response and Wave Identify of Defective Piles Embedded Partially in Soil;
半埋入式缺陷桩的瞬态响应及波形识别
Applied Study on the Quantitative Analysis of Pile Defects with the Shear Wave Velocity of Soils;
土体剪切波速在基桩缺陷量化分析中的应用
