The stability of soil nail structure was determined by the interaction between soil nail and soil mass.
土钉支护结构的稳定性取决于土钉与土体结构的相互作用过程。
There is some ambiguity about the soil-nail interaction mechanism in the design of soil nailing reinforcement.
在深基坝支护设计中，对钉土作用机理存在着许多模糊认识。
Thesis work carried out in the following areas:1. Study the new slurry grouting pocket reaming soil nail technology.
论文主要开展以下几个方面的工作：1。研究了浆囊袋注浆扩孔土钉新技术。
The analysis and treatment of landslide provide useful data and information for design and construction of soil nail wall in old clay.
该滑坡的分析和处理为今后老粘性土层中喷锚的设计和施工提供了有益的启示。
Parametric analysis is carried out to investigate the effects of soil dilation and overburden pressure on the soil nail pullout resistance.
结果显示，当上覆压力较小时，剪胀角对抗拔应力的影响较小。
It is of great interests to engineers and researchers to study the mechanism of the soil nail pullout resistance under different conditions.
土钉在不同条件下的抗拔机制仍是进一步研究的课题。
Technical scheme, design, construction and application of steel pipe soil nail combining rabbling pile in a foundation ditch support in Shenzhen.
介绍了深圳某基坑支护工程钢管土钉与搅拌桩组合支护技术方案、设计、施工及应用情况。
Based on the practical project, author shows the construction technology, key control point and effects of the composite soil nail support technology.
通过某工程实例来探讨复合土钉支护技术的施工工艺、控制要点以及产生的效果。
The application of leading pile wall to the foundation pit of soft soil braced by soil nails expands the application range of soil nail bracing technique.
超前桩墙在软弱土基坑土钉支护中的应用，扩展了土钉支护技术的适用范围，但国内外对其作用机理的研究甚少。
A mathematic model using equivalent surface shear force method for simultaneously simulating excavation and soil nail reinforcing process is proposed in the paper.
给出了一种可同时模拟基坑开挖和土钉加固过程的等效面力法——剪力法。
As a new retaining system, the soil nail is more and more widely used in our country. It is a kind of economic, reliable technology and is convenient in construction.
土钉支护作为一种新的挡土技术，因其经济可靠且施工简便快捷，已在我国得到迅速推广和应用。
The results show that: it is better that increase the length of soil nail at the central of foundation to limit the horizontal deformation than at the bottom and the top.
分析结果表明：增加基坑中部的土钉长度要比增加基坑底部和上部的土钉长度对限制基坑的横向变形效果要好。
And the axial force of soil nail in the slope with isometric soil nailing supporting was slightly greater than that in the slope with non-isometric soil nailing supporting.
不等长土钉支护边坡中的土钉轴力总体上要比等长土钉支护边坡稍小。
In this paper, a three-dimensional (3d) finite element (fe) model is developed to simulate the behavior of soil nail considering the effects of overburden pressure and dilation.
通过建立一个三维有限元模型，研究土钉在不同上覆压力和剪胀作用下的土钉抗拔行为。
The phenomena and results of similar model tests on soil nail support in soft clay side walls (slope) are described, and then the reinforcement and support mechanism are discussed.
在描述土钉支护软土边壁(坡)相似模型试验现象和结果基础上，对其加固、支护机理作了探讨。
The article studies on the questions in soil nail support of the weak foundation pit and puts forward countermeasures from the construction measures and deformation-control measures.
文章从软土层基坑应用土钉支护措施存在的问题出发，从施工技术措施和控制变形措施两个方面着手，研究了软土层基坑应用坑支护存在的问题和对策。
The variation of normal stress in soil surrounding a drill-and-grout soil nail during drilling, grouting and pull-out is studied through both laboratory pull-out tests and numerical simulation.
抗拔强度的大小取决于拔出过程中作用于土钉表面的法向应力的大小。
Therefore, study for work mechanism, design method and construction technology of composite soil nail is useful of technically perfection, and also useful of broadly application of this technology.
因此，研究其工作机理、设计方法、以及施工技术，将使得该项技术更加完善，也有利于该项技术应用空间的扩展。
In this paper, the main ideas include that, (1) based on the theory of soil-slope anchorage and stabilization, the incremental calculation method for soil nail forces in soil nailing is put forward;
根据土钉支护作用机理，提出了基于边坡锚固稳定思想的土钉力的增量计算方法；
In order to reflect the characteristics of geotechnical material more exactly, the strain-softening model was built based on the engineering background of one deep foundation reinforced by soil nail.
为了更加真实地反映岩土体材料的特性，以某深基坑土钉加固工程为背景，建立相应的应变软化模型。
A three-dimensional finite element model was developed to analyze the strain-stress and the deformation performances of soil nailing, and the reasonable distribution of soil-nail stress was presented.
通过建立三维有限元模型，对土钉支护的变形和受力性能进行分析，得出土钉力的合理分布。
In this finite model, the nonlinear stress - strain relationship of soil, the soil - nail interaction and the staged construction are all taken into consideration.
在分析中，考虑土的非线性应力-应变关系、土钉与土体的相互作用，以及分步施工过程。
By action of water to nail, Bond between soil and nail a was obviously reduced.
水钉的作用，使土钉体外表面与土体界面接触粘结力与摩擦阻力显著降低。
Based on an object in Beijing, the bracing mechanism, design and the application of soil-nail wall bracing system with ground anchor are introduced.
密切结合北京市某基坑支护工程实际，着重介绍了地面锚拉式土钉墙支护结构的加固机理、设计计算及应用情况等。
Finally, the limit cohesion strength between the soil and the nail was obtained by in-situ test, and the results were also compared with those regulated by the technical specification.
最后通过试验土钉抗拔力反算土体与锚固体的极限粘结强度，并与规范推荐值进行了比较。
We test the nail force of different station on different row soil-nailed wall with steel-string transducer in the upper and bottom wall are tested.
在上下级墙面后不同排数土钉的不同位置上埋设了钢弦式钢筋计，进行了其工作应力状态的性能测试。
In previous researches, the strength control is the main standard in the structural design of the soil-nail braced structure, but the deformation control is rarely considered.
以往的土钉支护结构的设计中，多以强度为控制指标，而很少考虑支护结构的变形。
The resisting slip mechanism of nail and cemented-soil wall is researched on and the theory of the mechanism is also introduced in this paper firstly.
本文首先研究了复合土钉支护中土钉、水泥土墙的抗滑机理，介绍了其机理的理论解释。
The nail-dog and rock-bolt technique is often used in the supporting construction of such complicated slopes as artificial fill, sandy graves strata, sand deposits and muddy soil.
通过实践总结了土钉及锚杆技术在人工填土、砂卵石、砂层、淤泥质土等复杂地层边坡支护施工的处理方法。
The nail-dog and rock-bolt technique is often used in the supporting construction of such complicated slopes as artificial fill, sandy graves strata, sand deposits and muddy soil.
通过实践总结了土钉及锚杆技术在人工填土、砂卵石、砂层、淤泥质土等复杂地层边坡支护施工的处理方法。
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