Based on uniaxial penetrating test , the effects of aggregate gradation , aggregate physical properties , asphalt binder properties , asphalt content , air void and homogeneity on shear resistance of asphalt mixture were investigated directly at 60 摘要为了研究沥青混合料抗剪强度的影响因素，基于单轴贯入试验，在温度为60时，直接对集料级配、集料性质、沥青性质、含油量、空隙率以及均匀对沥青混合料抗剪强度的影响进行研究。
The general attenuation law of ground vibration caused by heavy tamping is verified by spectrum analysis in this paper . moreover , the relationship between attenuation index and standard penetration number is created through combination analysis of vibration attenuation and surface wave propagation 在此基础上，通过面波分析，得出了场地介质衰减指数和表征场地介质性质的参数?标准贯入击数之间的关系，给出了表达式的一般形式。
To solve the moving contact problem , a kind of interpolation schemes , which utilizes shape function to impress interfacial constraint conditions ( node to point ) to prevent penetration between the contacted surfaces , is adopted generally in the references of bem , as used in the fem 对于移动接触问题，边界元法的有关文献中通常采用和有限元法中类似的插值方案，利用形函数来强加界面约束条件（节点到非节点）以避免接触表面之间的贯入。
Thirdly , some shortcomings that numerical simulation ca n ' t effectively applied in jacked pile are proposed . several problems need to be resolved in numerical simulation of jacked pile ; for instance , finite deformation problem , constitutive model of soil , contact between pile and soil and loading problem 3 、根据目前有限元在模拟静压沉桩方面存在的不足，指出了模拟沉桩过程需要解决的问题：土体的有限变形；接触问题；本构关系；位移贯入法的加载问题。
Abstract : artifical intelligence methods are implemented to simulate thebehaviors of axially and laterally loaded piles using the field observation tests data obtain ed f rom the drilled shafts and driven piles . the optimal neural network model is deve loped using only simple input data of spt - n values and piles ' geometrical featu r es etc . . the analysis for r . c piles of some projects is performed adopting the bp n n and grnn models respectively , and the obtained predicated results are compared w ith the data from conventional design method . it demonstrated the obvious advanta ges of neural networks in the design of pile foundations over the traditional me thods . this paper has an important practical significance and a referential worth iness in the design of pile foundations 文摘:根据钻孔桩和打击桩的原型试验观测的数据,运用人工智能方法对横向承载桩和轴向承载桩的工作特性进行模拟,并利用标准贯入试验( spt - n )值和桩的几何特性等简单的输入数据,开发出相应的优化神经网络模型;然后,运用反向传播神经网络模型和广义回归神经网络模型分别对某工程的钢筋混凝土桩进行分析,并将求得的预测结果与常规设计法的结果进行比较,结果表明神经网络方法比传统方法有明显的优越性,在实际工程设计中具有重要的参考价值和现实意义。
The soil plug has an important effect on the pile driveability , and the pile diameter has an important effect on the property of soil plug , too . then the plugged effect judging method and nonlinear model of soil plug of the large ( super large ) diameter , super length , deep penetration pile have been established . hyperbolic model of soil plug was also proposed to calculate the inside static resistance 3 .土塞对大直径、超长桩的可打入性有重要影响，而桩径大小直接影响土塞特性，本文建立了大直径（超大直径） 、超长、深贯入桩土塞闭塞效应判断方法和土塞非线性双曲线计算分析模型，并提出了“内侧极限摩阻力动态分布”模式。
This paper points out that the ore - forming pattern of this mineral deposit is ore - bearing basic - superbasic magma melting - crystalline different and ore magma impulse injection in turn . it indicates there maybe has a ore shoot in the bottom of iii rock body ( interrupted below 650m ) , and advises to geophysical prospecting in the mining shaft 并指出本矿床为含矿基性-超基性岩浆熔离-结晶分异和矿浆依次脉冲式贯入的铜镍硫化物矿床成矿模式，指明号岩体下部( 650m以下中断)可能存在一富矿体，并建议进一步做井中物探证实。
According to the fact that the penetrate mechanism of static sounding penetration and static jacking pile is similar , we obtained the predict formula of the static jacked resistance of the precast piles after comparing several engineerings , and can use it in the construction of the precast piles 本文主要依据静力压桩与静力触探贯入相似的机理提出用静力触探指标预估压桩阻力的计算公式，并用杭州粉砂土地区的几个工程实例作分析和验证，为静压桩的设计和施工提供了理论依据。
Abstract : reviewed are five methods for the analysis of the penetration of jacked - in piles , namely , cavity expansion method , strain path method finite element method , slip line method and calibration model test . after analysis , it is pointed out that it is more rational to adopt sub - statical spatial axisy numerical formulas based on traditional plane - strain cavity expansion method in the analysis . after spatial closed - form solutions are obtained for soil movements , stresses and initial excessive pore pressures generated durihy pile penetration are found out . it is suggested that finite element analysis together with centrifugal model test be used in verifying the results 文摘:在分析饱和粘土中静压桩的贯入机理的基础上，对静压桩沉桩分析的圆孔扩张理论、应变路径法、有限元分析、滑移线理论和模型槽试验等五种方法逐一进行评述，并提出在传统的平面圆孔扩张理论基础上加以改进，采用准静态空间轴对称方程组对静压桩贯入过程进行模拟，从而得出土体位移、应力、初始超孔压的空间解析解，同时采用有限元分析、模型槽试验相互印证的研究方法
And then according to the value of axial and radial additional stress and their rule of variation , this paper gamed the axial and radial additional stress field which generated by the probe penetrating , and analyzed the character of them and the comparability and differences between axial and radial additional stress field 然后根据所得到的轴向和径向附加应力值以及它们的变化规律，得到了由于探头贯入而产生的轴向和径向附加应力场，分析了轴向和径向附加应力场的特征以及它们之间的相似性和不同之处。
