探索复合材料桩钉的成型方法。
To explore the proper method of producing composite resin post and core.
目的：探讨拆除不良修复体桩钉方法。
Objective: To observe the methods of removing the bad prosthesis post pin.
结果残冠组不同桩钉修复体的远期疗效差异无显著性（P <0 .0 5 ） ；
Results The long term effectiveness of various treatments in residue crown group has no statistically significant difference(P>0.05);
方法：根据不同类型桩钉及根面所处位置，分别采用钳取、根尖挺挺出及钻磨取钉等方法。
Method: The separate application of clamp, root elevator or drilling root canal according to different type of post pin and place of root surface.
激光雕刻仿生非光滑表面耐磨性提高的原因是：晶粒超细化，硬度提高，桩钉效应和仿生效应。
The reason for abrasive wear resistance enhancement of bionics smooth surface made by Laser Carving Technology is grain super-refining strengthening, hardening, effect of dowel pin and bionics.
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。
Technical scheme, design, construction and application of steel pipe soil nail combining rabbling pile in a foundation ditch support in Shenzhen.
总结了锚管桩复合土钉支护的构造、工艺、施工组织、基坑安全及质量保证措施。
The conformation, craft, construction organization of CCSN, the measure of foundation pit safety and quantity guarantee are summarized.
总结了双排桩复合土钉支护的构造、工艺、施工组织、基坑安全及质量保证措施。
The conformation craft, construction organization of DPCSN, the measure of foundation pit safety and quantity guarantee are summarized.
主要包括方案的选择，土钉墙与桩锚结合支护结构的支护体系设计，基坑开挖及监控测量。
Include choice of scheme, support system design of soil-nailing wall and anchor-pile composite supporting structure, excavate and monitor measurement in excavation engineering.
在施工中采用了钢管桩、高压防渗板墙、槽内降水、槽外注水回灌，外加复合土钉墙支护措施，保证了基坑开挖。
In construction, supporting measures such as steel pipe pile, high-pressure impervious board wall were adopted, ensuring the excavation of base pits.
方法先用螺纹钉和银汞合金形成桩核，再行烤瓷牙修复。
Methods used to screw and form a silver amalgam core, re-porcelain dental restoration.
本文介绍了在软土地层中土钉护坡桩综合支护体系的设计与施工。
In this paper, the design and construction of supporting system of soil nailing in the soft soil layers are introduced.
根据周边环境的情况和开挖的深度，采用了钻孔灌注桩和土钉锚杆相结合的支护形式。
According to the depth of the circumstances of the excavation, the bored piles and soil anchor-bar are adopted.
水泥上桩复合土钉是为解决土钉支护在软土中应用时的止水、抗渗、超前支护等问题而出现的。
Composite retaining of cement-soil pile and soiling nailing (CRCSPSN) has been used for solving the problems in soft soil, such as water-sealing, seepage-stability, pre-retaining, etc.
研究了双排桩复合土钉支护机理，建立了双排桩复合土钉支护稳定性分析模型。
Studying the work mechanism of DPCSN, the model of stability analysis of DPCSN is established.
研究了锚管桩复合土钉支护机理，建立了锚管桩复合土钉支护稳定性分析模型，并对工程实例进行计算分析，检验了分析模型。
Studied the work mechanism of CCSN, the model of stability analysis of CCSN is established and examined by analysis engineering case.
针对自立稳定性较差的土层，本文提出钢管小桩复合土钉墙支护结构，并对其进行探讨。
In the case of the worse self-standing soil, the structure of composite soil nailing wall with micro-pile of steel pipe is adopted and analyzed in this paper.
在土钉-排桩复合结构中，土钉的加固机理使软土主动土压力减小，而土钉的锚拉作用又可能使软土产生附加侧压力。
These opposite effects may lead to additional lateral pressure and make active earth pressure of soft soil bigger than the theoretical value.
在基坑边壁土压力及其它各种荷载作用下，土钉与桩锚作为一个整体共同抵抗荷载和变形。
With the effect of the foundation pit wall earth pressure and other kinds of loads, the soil-nailing and pile-anchor, as a whole, supports the loads and deformation.
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。
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.
土钉与桩锚联合支护结构是由土钉支护与桩锚支护共同构成。
The combined support structure of soil-nailing and pile-anchor consists of the soil-nailing retaining and the pile-anchor retaining.
研究了水、预应力锚杆（索）、水泥土搅拌桩以及超前微桩对复合土钉支护时土体稳定性的影响作用并给出了相应的计算公式。
Then, the influence functions of water, prestressed anchor and cement-soil retaining wall and front small-piles in the compound soil nailing system were studied. The corresponding formulas were given.
土钉加排桩复合围护结构是新近出现的一种深基坑围护结构形式。
A new type of composite building enclosure is applied to deep excavations recently, which is composed of soil nailing and cast-in-pile.
结论铸造桩核全冠和玻璃纤维桩树脂核全冠治疗效果优于成品螺纹钉桩加银汞合金核或树脂核全冠。
Conclusion The cast post core and crown, and glass fiber post and resin core and crown treatment is better than refined screw pile and silver amalgam or resin core nucleus.
结论铸造桩核全冠和玻璃纤维桩树脂核全冠治疗效果优于成品螺纹钉桩加银汞合金核或树脂核全冠。
Conclusion The cast post core and crown, and glass fiber post and resin core and crown treatment is better than refined screw pile and silver amalgam or resin core nucleus.
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