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The main factors affecting the soil-structure interface behaviors were found experimentally and theoretically, including: 1 the thickness of the interface that is five to six times the average grain size of the soil; 2 the aeolotropy of interface, which is responsible for anisotropic response of the stress-strain response of the interface; 3 two physical states, including crashing and compression of the soil near the structure surface, which govern the stress-strain response of the interface strongly; 4 two shear deformation components due to sliding and constraint of the structure surface relative to the soil respectively, which forms the deformation of the interface; 5 the volumetric strain due to dilatancy, which is found to be composed of a reversible dilatancy component and an irreversible dilatancy component. 4. A unified constitutive model of the interface, based on new elasto-plasticity damage theory, was developed. It was confirmed to be effective for the conditions considering monotonic and cyclic shearing, coupling effect of shear and volumetric strains, evolution of physical state, micro-structure aeolotropy of the soil and the resulting aeolotropy of the interface as well as the three normal boundary conditions stated above. 5. 2D and 3D finite element formulations of the present model were derived and incorporated into the FEM codes. They were applied to the evaluation of practical engineering problems with different typical interfaces between soil and structure. The new model was shown to be reasonable and effective.

确定了粗粒土与结构接触面厚度约为5~6倍的平均粒径,首次揭示了接触面的细观结构异向性以及由此所引起的宏观剪切异向性,发现了在单调和往返剪切荷载作用下土颗粒破碎和剪切压密两种物态变化机制共同支配着接触面力学性质的变化,通过细观分析证实了接触面的变形可分解为一般同时发生的土与结构交界面上的滑移变形以及结构面位移约束范围之内土体本身的剪切变形两部分,观测到接触面受剪时表现出明显的相对法向位移,并可分解为可逆性和不可逆性两个分量;(4)建立了第一个能够统一地描述单调与往返剪切特性、剪应变与体应变耦合特性、细观结构和宏观剪切异向性以及土颗粒破碎等物态变化特性的土与结构接触面弹塑性损伤本构数学模型,并采用多种法向边界条件复杂加载路径的试验成果验证了新模型的合理性和有效性;(5)提出了新模型的二、三维有限元格式并结合实际边值问题进行了应用计算分析,比较了不同接触面本构模型对计算结果的影响,证实了新模型及其有限元格式不仅能够合理地描述土与结构接触面的主要力学特性,还能够较好地反映土体与结构物在接触面处的滑移、脱开等不连续现象。

Water-insoluble excipients are also used, and that might cause a feeling of grittiness .

我国的技术要求未对处方中辅料的水溶性进行限制,实际申报中一般也多采用水溶性较好的辅料,但也有的申报资料采用水不溶性的辅料,这可能是造成终产品服用时有沙砾感的一个原因。

On the basic assumption of Corporate Heterogeneousness Nature, integrating marketing, finance, economics and other related subjects, the thesis carrys out overall SWOT analysis of our country's banking industry and exactly describes our country's banking ecological overview; the thesis explores the sources and formulating mechanism of marketing competenece of our country's banking industry enterprises; integrating the specificities of bank marketing, especially the banking product's four essential attributes: intangibility, inseparability, inconsistency and inventory, the thesis formulates a bank marketing competence evaluating indicators system that is compatible with the

本文在综合营销学、金融学、经济学和其他相关学科的基础上,以"企业异质性"为基本理论假设,为我国银行业进行了全面的SWOT分析,准确地描绘了我国的银行生态图景;探讨了我国银行业企业营销竞争力的基本来源和形成机理;结合银行营销自身的特殊性,尤其是银行产品的四个本质属性:无形性、不可分割性、非标准性和非存储性,构建了切合我国银行业实际的银行营销竞争力评价体系。

The requirements of efficiency and global-optimization can be met at the same time. Based on the situation of time varying of parameters of system, before entering the inference machine, the fuzzy control rules is learned and tested online by a special designed "judger", the excellent performances of fuzzy control rules which use online control is ensured. Fuzzy cerebellum model articulation control CMAC is used to control the semi-active suspension system for the first time. The convergence of this control algorithm and the convergent range is presented.

并根据实际系统参数时变的特点,用"判别器"对即将进入推理机的模糊规则进行了在线学习和测试,保证了用于实时控制的模糊规则的优良;首次应用模糊小脑模型神经网络控制器对系统实施了控制,并证明了这种控制算法的收敛性,得出了收敛范围;仿真和试验结果表明,GASAF和 FCMAC这两种智能控制算法对车辆的平顺性都有较大的改善,实时性较强。

The synthesis of chiral pharmaceuticals is a hot issue of the development in pharmaceutical in the world,asymmetric hydrogenization of which is the successful technology in the chiral synthesis .

手性药物的合成是目前全球药物开发研究的热点,而不对称氢化是手性合成中最成熟的技术。讨论了不对称氢化技术在镇痛类、抗生素类、抗菌类、抗忧郁类以及维生素类等9类手性药物合成中的实际应用

The discriminant analyses,of 28 granitic intrusives distributed in the periphery of the stanniferous granite bodies,by using the Keluo-Lazi diagram,SiO2-Al2O3+Na2O+K2O-CaO+MgO+FeO diagram,Fe-Na+K-Mg diagram and K-Na-Ca diagram,,indicate that the four diagrams can be applied to...

对分布于含锡花岗岩类岩体外围的28个可能含锡岩体进行科勒-拉兹图解、S iO2-A l2O3+Na2O+K2O-CaO+MgO+FeO图解、Fe-Na+K-Mg图解和K-Na-Ca图解判别后发现,壳源酸性花岗岩类完全可以用四图解进行含锡性判别,并且完全符合实际地质特征,大部分都有希望找到伴生壳源型锡矿床;而幔源中基性花岗岩类的含锡性却不适用上述四个图解进行判别。

The platform is designed with open structure and component design to enable its upgrade and maintenance in the future. The use of cross platform C# language will further enhance its transformability.

所建立的系统以开放式的架构与组件化的设计来提升系统之扩充性与维护性,并使用跨平台的语言技术C#来实际系统,以增进系统的可移植性。

This article briefly introduces the treatment construction and actual effect of using water-soluble polyurethane to block the drainage tunnel and conveyance water tunnel in Jindian reservoir in Yunnan province.

介绍了云南省昆明金殿水库排水廊道和输水隧洞采用水溶性聚氨酯堵漏的施工情况和实际效果,分析了水溶性聚氨酯的特性和采用水溶性聚氨酯灌浆的施工工艺及注意事项。

According to the complexity of the sulphate salty soil,the paper analyzes the harm and the cause of the sulphate salty soil from the salt expansion,the collapsibility and the corrosion,studies the dynamic compaction to eliminate the collapsibility of the sulphate salty soil foundation,and puts forward the anti-corrosion measures.

针对盐渍土问题的复杂性,从盐胀性、溶陷性、腐蚀性方面分析了硫酸盐渍土的危害及其产生原因,结合具体情况,对强夯法消除硫酸盐渍土地基的溶陷性进行了研究,并提出了防腐处理措施,通过实际工程中的成功应用说明了该方法的可行性。

Convergences of martingale sequences have wide applications in both theory and practice,and the study of covergences of various martingale sequences is an important subject in probabilistic research in recent years.

鞅型序列的收敛性在理论及实际问题中都有广泛的应用,研究各类鞅型序列的性敛性是近年来随机学领域的一个重要课题。

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推荐网络例句

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。

Closes the eye, the deep breathing, all no longer are the dreams as if......

关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。