土体

By analyzing the displacement mode of unstable soil and the deformation mechanism of passive pile,an elastic perfectly plastic model and a hyperbolic curve model about the behavior of piled bridge abutment against soil lateral movements are developed on the basis of the previous research.

通过总结侧向变形土体常见的位移模式，分析桥台桩的变形机制，在阐述不同模式下桩侧压力的产生机理及桩的几种破坏模式的基础上，提出桩土间相互作用力与桩土间相对位移的双曲线关系模型和理想弹塑性关系模型，可为相关研究提供参考。

Thremosyphon is a widely used technology applied to the engineering projects in permafrost regions at home and abroad.

热管技术是国外寒区工程中广泛使用的一项主动冷却地基土体的技术，青藏铁路修建之前，国内很少对此技术进行研究。

4 Kinds of ways of influence analysis on safety of the near building structures were presented by analyzing the theory of vibration-impact pile driver system and the soil vibration.

通过对振动打桩机系统的理论分析和土体振动分析，提出了施工振动对邻近房屋结构安全性影响分析的4种方法。

Kinds of ways of influence analysis on safety of the near building structures were presented by analyzing the theory of vibration-impact pile driver system and the soil vibration.

通过对振动打桩机系统的理论分析和土体振动分析，提出了施工振动时邻近房屋结构安全性影响分析的4种方。

Using inside artificial rain instrument, orthogonal experiment plan of three factors and three levels was adapted to research water spatial and temporal distribution of each point along slope under physical and chemical method applied.

利用室内人工降雨试验，采用3因素3水平正交试验设计方案，研究物理化学调控方法实施情况下坡面土体中水分的时空分布状况。

Thirdly, according to the development of the frozen soil, the coupling model of single freezing pipe of axial symmetry of temperature field, stress field and moisture migration is put forward firstly. Then, by means of the progressing principle of potential field, the coupling model of temperature field, stress field and moisture migration which is under the condition of the multi-freezing pipes is extended. At last, the energy balance equation, stress balance equation, quality balance equation, geometric equation, physical equation, initial and boundary conditions etc are adopted to give the analytic solution to the problem of plane axial symmetry of single freezing pipe.

第三，在对室内试验和现场实测结果研究的基础上，分析了土体冻结过程中温度场、应力场、水分场耦合原理，并按照冻土体形成发展过程，首先建立了单一冷源冻结轴对称温度、应力、水分场耦合模型；接着利用势场的迭加原理，将单一冷源情况的三场耦合问题推广到多冷源情况的三场耦合；最后根据能量守恒平衡方程、应力平衡方程、质量守恒平衡方程、几何方程、物理方程、初始及边界条件，解出了单一冷源平面轴对称问题的解析解。

According to this inequality the necessity of adjusting the Poisson's ratio in FEM analysis can be determined.

该关系不等式不仅说明了在强度折减有限元法中相关变形参数折减的必要性，同时也是对岩土体泊松比是否进行调整，调整多少的一个重要判据。

Or people use experiental postulation to slove the antiforce from soil vs, wall. That kind of methods includes constant method.

要么以经验性的假定来求解土体对墙体的反力，这一类方法有常数法，m法和山肩邦男法等。

Through a plenty of data of compressal tests with a lot of samples which are different in moisture content and voids ratio , the relation between pressure,moisture content, cavity ratio and pressural modulus is disclosed in the paper,a table that is suitable for xian district is also made based on the data .

增湿变形是在压力作用下变形达到稳定后由于含水量增大而产生的附加变形，黄土地基可因水管漏水、建筑物排水不畅、地下水位上升等原因引起地基土的增湿，计算增湿变形的关键是研究土体含水量变化后引起的模量变化。

The effects of ground microtremor to the stability of the soil, and the relationship to the stability of the soil and principal axis have also been studied.

本文研究了土介质的各向异性对土动力特性的影响，研究了场地微动对土体稳定性的影响及其与各向异性主轴的关系。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐