查询词典 pile hammer

Integrate the load transfer principle and shearing displacement method to set up the load transfer equation between the pile of soil, using the discrete and fitting methods to solve the equation so as to educe the pile displacement of arbitrary section as well as the analytical solution. Comparing the results with the soil settlement solved by the Mair equation, the relative displacement can be gained.

1结合荷载传递原理和剪切位移法的思想建立隧道开挖作用下的桩土荷载传递方程，采用离散和拟合两种方法来对该一元二次非齐次微分方程进行求解，可分别得到桩身任意截面处的桩体位移以及桩身位移的解析解，并与基于Mair公式求得的地面下任意深度处的土体沉降进行比较，即可求出桩与桩侧土之间的相对位移。

According to the characteristics of collapsible loess ground and the practice of multistoried engineering,the designing and testing of earth pile composite ground is introduced and the advantages of earth pile in treating thicker collapsible loess ground in multistoried engineering is proved.

针对湿陷性黄土地基的特点，结合多层建筑的工程实际情况，介绍了土挤密桩复合地基的设计和检测工作，阐述了土挤密桩在多层建筑中处理厚度较大的湿陷性黄土地基的优势。

The test curve of side skin friction resistance of pile is simplified linearly. The distribution of skin friction resistance is controlled by two factors: the maximum value of negative skin friction resistance and depth ratio of neutral plane. Thus, the simplified linear calculation model of rigid pile composite ground is established.

作者还根据桩体侧摩阻力的试验曲线，进行线性简化，由桩顶的负摩阻力最大值及中性面深度比控制全桩长的侧摩阻力分布计算，从而，建立了刚性桩复合地基桩体侧摩阻力线性简化计算模型。

In the governing equation of numerical simulation, factors of resistance considering effects of pile or pile group were applied.

并提出在数值模拟控制方程中，如何考虑加入桩影响的阻力项。

Combining with engineering practice of using composite foundation with CFG pile to deal with oilcan foundation of 50000m 3, this paper discusses the application of CFG pile in dealing with oilcan foundation .

本文结合采用CFG桩复合地基处理 5 0 0 0 0m3 油罐地基的工程实况，对CFG桩处理油罐地基的适用性进行了初步探讨。

The recommended value of earth block effect at the end of open steel pipe pile with a diameter of over 600mm is obtained through pile testing .

文章通过试桩得出桩径大于 600mm的开口钢管桩桩端土的闭塞效应的建议值。

By means of the orthogonal expansion technique, the coupling system solutions are finally obtained. Then the dynamic model of saturated soil layer caused by pile longitudinal vibration is founded. Incorporated wave propagations into saturated soil layer, the characteristics of soil resistance factor and the mechanism of the radial damping are analyzed, as well as distributions of shear stress and pore pressure in saturated soil caused by pile vibration.

然后利用上述解析解分析了饱和土层复阻抗，并从饱和土波动理论出发，建立了桩纵向振动引起的饱和土层振动模式，剖析了辐射阻尼产生机理，研究了桩纵向振动引起的饱和土层中剪应力及孔隙水压力分布。

From this test results, it is obtained that the maximum lateral displacement occurs at a depth of about 0.75L; land upheaval build up rapidly and reach the maximum when the pile tip arrive at depth of about 6 m; and the increment. of excess pore water pressure reaches the maximum when the pile tip arrive at the piezometer level; while the maximum excess pore pressure presents a hysteresis quality with radial distance.

由测试结果可知，最大的侧向位移发生在距地表0.75L附近，地面隆起从桩贯入开始迅速发展，并在桩压入到6m左右时达到最大值，测点处超静孔压增量的最大值发生在桩端到达该点所在水平面时，而超孔压的最大值沿径向有滞后性。

The characteristics of construction method of diesel pile driver as well as its application scope in PC pipe pile construction are introduced.

介绍了柴油打桩机打设PC管桩施工工法的特点，适用范围，分析了柴油打桩机的工作原理，提出了施工质量要求和安全保证措施，经过效益分析，表明该方法加固桥涵地基是目前软基处理最有效、最方便的一种。

The face of fierce competition in the market and users and the changing needs of the community, the company promptly developed a series of pile driver design and optimization of various improvements, which YZY-Hydraulic static pile driver beat series, has been a leader in the domestic level .

面对激烈的市场竞争以及用户和社会不断变化的需要，公司及时对自行研制的桩机系列进行优化设计及多方改进，其中YZY型全液压静力压桩机系列，在国内已处于领先水平。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48