| 1. | Application of joint element in the stability analysis of rock mass
节理单元在岩体稳定性分析中的应用 |
| 2. | So far , in the fem analysis , the contact interfaces usually are taken as the joint element , which was introduced by goodman early in 1968
在有限元中计算中，常用的方法是利用节理单元来模拟接触面。 |
| 3. | The reasons of different pour direction effects for the cleavage strength has was analyzed , so did the mechanism of mechanical joint element in the cleavage test
分析了不同浇筑方位对劈拉试件强度造成影响的原因以及机械连接件在劈拉加载时的受力机理。 |
| 4. | Presently , as a widely used technique in finite element analysis for geotechnical , problems , the contact interfaces usually are taken as the joint element , which was introduced by goodman eary in l968
本论文的主要目的就是试图将它作为接触问题处理，建立相应的计算公式及方法，并用于上述岩土工程问题的求解。 |
| 5. | Fenves " 3 - d joint element modei and its constitutive relations are demonstrated and used to simulate the opening , closing and sliding of joints , and the initial pressure and tensile strength at the interface
论述了三维fenves缝单元模型及缝单元的本构关系，可用以模拟横缝的张开、闭合和滑移，并可考虑缝面的初始压力和抗拉强度。 |
| 6. | The numerical simulation of displacement of an underground cave was presented to verify the model in comparison with the results obtained by goodman joint element - based fe analysis , and good accordance could be observed
将岩体和节理按两种材料考虑，对地下开洞节理岩体结构进行有限元分析，并与采用复合本构关系的计算进行了比对，得到了令人满意的结果。 |
| 7. | The load - stain curve of bar was obtained in the shear strength test . the mechanism of mechanical joint element in the shear test was analyzed . strengthen mechanism of adhesive agent - expand cement paste
通过测量钢筋在受剪时候应变，得出钢筋的荷载?变形曲线，对机械连接件的受力原理做了分析；分析了膨胀水泥净浆作为界面剂时对于试件抗剪强度的增强机理。 |
| 8. | In order to carry out the fem computation , 3 - d isoparametric joint element of finite thickness is used to simulate the structural jionts such as longtitudinal slots , and lamella finite element is utilized to simulate seams in dam body and fractures in foudation
利用有限厚度三维接缝单元模拟纵缝等结构缝，用薄层单元模拟再生缝及坝基断裂；并对有限元计算所得单元结点应力进行优化。 |
| 9. | Three kinds of joint elements for finite element analysis of temperature field are given , ie , the joint element with finite thickness , the joint element with nearly zero thickness and the simplified joint element
摘要目前混凝土坝的仿真分析正从单坝段仿真向全坝仿真发展，因而需要采用接缝单元，笔者给出三种温度场接缝单元的计算模型：有限厚度接缝单元、近零厚度接缝单元及简化接缝单元。 |
| 10. | Secondly , around the present research situation about the interaction analysis of structure and foundation , this dissertation gives a detail review . based on the 3 - d non - thickness jointed element theory , a new model is proposed which simulates the tangential slip effect of the jointed face . by means of increment loads searched automatically methods , the program is achieved to validate the feasibilities of the model
其次，本文对结构和基础的接触问题研究现状进行了回顾分析，并在“空间无厚度接触单元”的基础上，提出了模拟接缝面切向滑动的本构关系，采用“变增量搜索法”进行计算，通过算例分析得到了该模型的合理性、实用性验证。 |
