支护

By the half-analytic calculation method, the paper analyzed the tunnel circumjacent constringency and vault settlement with time and alteration depth of tunnel face, the relevant constringency model was built, and the reasonable second support time for hard and soft rock tunnel were proposed.

中文摘要：利用半解析计算方法，考虑了隧道周边收敛和拱顶下沉随时间和掌子面推进距离的变化情况，建立了相关的收敛模型，并由此给出了硬岩及软岩隧道中的二衬的合理支护时机，并结合工程实际对Ⅱ、Ⅲ、Ⅳ、Ⅴ级围岩进行了周边收敛结果的最小二乘拟合计算。

Temporary support, anchored grouting and enhanced water diversion and discharge are taken to solve the subsidence of water-saturated shallow-depth fracture zone vault of Haozhuang Tunnel along Tongchuan-Huanglin first-class highway.

为了解决铜川—黄陵一级公路蒿庄梁隧道富水破碎带拱顶下沉问题，采用了加强临时支护、吉迈式锚杆注浆、加强引排水等措施进行了治理，有效地固结了断层破碎带，形成应力圈，控制住下沉，解决了淋滴水和漏水问题，处理效果较为理想。

During the construction of a shallow asymmetry double-arch tunnel,the right tunnel near the inner of mountain has been excavated firstly,and then the left tunnel near the exterior of mountain excavated.

某浅埋偏压连拱隧道中导洞开挖中隔墙浇筑后，对靠近山体内侧的右洞先行开挖和支护，再进行靠近山体外侧的左洞的开挖，右洞二衬出现部分地段纵向开裂。

Structurally speaking, the pit tunnel project is the use of works covered by the upper layer and the engineering supporting structure together constitute the load-bearing structure works.

从结构上讲，坑地道工程是利用工程上部覆盖层与工程支护结构共同组成的承载结构的工程。

Against the compound transformation problem of existed shield tunnel under construction of foundation pit of the Beixinqiao station in Beijing No.5 subway line, by ANSYS, combining with geological condition and according to the different working condition, three-dimensional numeric models are built and the emulation of the construction process is carried on.

针对北京地铁五号线地铁车站基坑施工条件下既有盾构隧道的复合变形问题，基于ANSYS，结合场地的水文地质和工程地质条件，按照不同的工况建立了三维数值模型，并进行了施工过程的模拟通过对结果的对比和分析，揭示了在不同施工状态下，基坑周围土体、支护结构及既有盾构隧道之间相互作用的过程和机理，以及由此引起的围岩变形的分布与变化规律。

Based on the deep foundation pit project of tunnel in Nanjing metro west extending line, the supporting methods of the bored pile biting into deep mixing pile in soft soil are discussed. The key construction techniques and monitoring results for the supporting form in watered and soft soil bed are expounded. The ability of resisting seepage must be considered when insertion depth of supporting structure is designed, which may also prevent the skirting from losing its stability.

以南京地铁西延线区间隧道的深基坑工程为背景，对软土层条件下的钻孔桩咬合深搅桩的支护方法展开探讨和研究，著重阐述含水软土层中该围护型式的关键施工技术和监测结果，指出在设计围护结构插入深度时必须考虑抵抗渗流破坏的能力，同时安全的插入深度也是防止维护结构&踢脚&失稳的保证。

Key words:foundation excavation; supporting; circle beam; steel truss; piles in rows

关键词］基坑工程；支护；环梁；钢桁架；排桩

During the excavation of a large and deep foundation pit,a trestle bridge is usually needed to build to facilitate the on-the-spot transportation and the foundation pit construction by virtue of the support structure of the pit.

在大型深基坑开挖过程中，常需要利用基坑的支护结构，建造用于方便现场车辆交通及基坑施工的栈桥。

Based on the research of the mechanism of the top beam, the optimal design of piles in row is discussed.

在此基础上，作者对基坑排桩支护结构的优化设计作了进一步的探讨。

Suspended top beam hydraulic support for coal face of the wall-support equipment.

悬移顶梁液压支架是用于壁式采煤工作面的支护设备。

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。