| 1. | To formally register minipiles and rock socket h piles as approved piling system and compile their corresponding list of approved contractors
将微型桩及预钻孔石套h型桩正式列为认可打桩技术，并编制微型桩认可承建商名单。 |
| 2. | But , due to the complexity of the interaction for between pile system and landslide , its computational methods are not still very reasonable , presently
但由于桩体系与滑坡体之间的相互作用的复杂性，目前锚索抗滑桩的计算方法还不尽合理。 |
| 3. | Abstract : abstract the plc control principle for material resiecving , proportioning , providing and blending pile system in blending yard of anyang i & amp; s co . was presented in this paper
文摘:介绍了安钢二次料场的受料、配料、供料及混匀堆料系统的plc控制原理。 |
| 4. | In comparison with other theories , the theoretical solutions presented herein for longitudinal vibration of soil - pile system is more rigorous and reasonable in theory , and more reliable and applicable in use
本文给出的桩土纵向祸合振动理论解较现有其它解理论上更严格先进，应用上更可靠实用。 |
| 5. | The paper take the advantage of modal analysis technic in vibration engineering to study the vibration characteristic of the pile system from the vibration theory view
针对波动理论对于桩截面渐变时不再适用这一情况，本文利用振动工程中的模态分析技术，从振动理论角度，对桩基系统的振动特性进行研究。 |
| 6. | Based on these solutions , a parametric study is conducted to determine the main features of the soil - pile system vibration , and the special influence of viscous damping of soil layer around pile is discussed
基于所得解对桩土动力耦合作用的内在机理、粘弹性土层动力反应特性进行了分析，并重点讨论了桩侧土不同形式材料阻尼对桩顶动力响应的影响。 |
| 7. | So the research of new technologies of sft has become an imminent task . in this paper a new consolidation system named gsps ( geogrid stone pile system ) is advanced , which is a generic term of the three treatments of geogrid stone piles , sand underlay and ribbed base
本文提出gsps软基加固系统的处理方案，所谓gsps ( geogridstonepilesystem )软基加固系统即是对土工格栅碎石桩，砂垫层和加筋路堤三种方法联合处理软土地基的总称。 |
| 8. | Thirdly , a simplified model neglecting the radial displacement of saturated soil is established and an analytical solution for vertical vibration of the soil - pile system is obtained . by comparison the solution with available viscoelastic solution , the differences are illustrated as well as its applications
3 、建立了饱和土中忽略径向运动影响的简化模型，得到简化模型下桩土纵向耦合振动解析解，并与考虑径向运动影响的模型及胡昌斌的模型加以比较，分析了几种模型的异同及适用性。 |
| 9. | With the consideration of the vertical wave effect of soil and soil - pile interaction , an approximate analytical solution to vertical vibration of pile system with variable impedance in visco - elastic layered soil is developed . a simplified and practical mathematical model for interaction between soil layers is proposed , and its applicability is theoretically investigated . based on this model and by using laplace transforms and the transmit property of impedance function , the analytical expression of the impedance function and solutions of the displacement and velocity response function in frequency domain and in time domain at the pile head are derived
4 、从三维轴对称土模型出发，对考虑桩土耦合作用、土层层间联系以及桩周土竖向应力梯度变化条件下的成层粘弹性土中完整桩及变阻抗桩系统纵向振动问题进行了研究，提出了成层土中变阻抗桩系统纵向振动问题的近似解析解法和桩周土层层间相互作用的简化而实用的数学模型，并利用拉氏变换和阻抗函数的传递性，获得了成层土中任意段变阻抗桩桩顶阻抗函数的解析表达式，以及桩顶速度导纳和时域速度响应解析解和半解析解。 |
