支护

Foundation engineering ; deep foundation ; timbering ; true tri-axial test ; elastoplastic model ; finite element

基础工程；深基坑；支护；真三轴试验；弹塑性模型；有限元

Based on active timbering principle of bolt-grouting, shearing strength between bolt-grouting and rock can be transformed into the surface pressure of acting on the inner surface in the cavity and anchor-forced rock is regarded as a equivalent material.

3基于锚杆的主动支护原理，将锚杆与岩体之间的剪应力转换为作用在洞室内表面上的面压力，将锚固后的岩体视为等效材料。

This paper firstly introduces the deep excavation's engineering situation,geological and hydro-geological conditions of Wuhan University's Science and Technology Incubator Building,and mainly introduces design train of thoughts of choosing different timbering precepts according to field's circumjacent condition.

首先介绍了武汉大学科技孵化器大楼深基坑工程的工程概况及工程地质水文地质条件，重点介绍了根据场地周边条件的不同选择不同支护方案的设计思路。

Whether we can caculate andimitate the fluid change character of surrounding rock or not,whichhas more important meaning in selecting the project of timbering andcontrol.

能否准确地计算和模拟围岩的流变行为，对于我们选择支护和围岩控制方案，具有极其重要的意义。

The methods are studied to simulate the rock bolt and underground water, which are encountered in engineering.

研究了在实际工程中经常遇到的锚杆支护和地下水作用的流形元模拟方法。

In this paper,the optimitun process of design and construction of a super-shallow overburden multi- arch underpass is introduced.

介绍了一座超浅埋双联拱过街地道的设计和施工方案优化过程；针对该地道的使用要求、地质条件及地表环境要求，分析了原设计在结构形式、支护措施及施工方法等方面存在的缺陷；并提出了相应的改进措施。

The diameter of the rockbolt also has an effect on the mechanical properties. The larger is the diameter, the larger is the increasing of the moduli of the rock mass, but variation of the equivalent elastic constants are little.

锚杆直径增大而其他参数保持不变时，岩体锚杆支护系统复合材料的力学性质弹性模量随着直径的增大而有所提高，但等效强度常数变化幅度较小。

Theoretical Analysed the roof without voussoir beam structure in shallow seam mining under thick unconsolidated layers, thus, cannt use voussoir beam theory to compute the force of supports.

通过研究破断岩柱中关键岩块的平衡条件，建立了关键岩块结构力学模型，得到了厚粘土层覆盖浅埋煤层综采面支架合理支护阻力的理论计算公式。

Based on the classification the support methods correspond to every stability level of wall rock are put forward.

在分类的基础上提出了对应于不同稳定级别的支护对策。

The method in the article can be a try to solve problems about the touch of wall rock and support structures.

对于围岩和支护结构共同作用下界面的接触也是一种尝试。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。