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1)  anti-settling pile
防沉桩
2)  sinking pile
沉桩
1.
On the basis of the strain path method,and combining with the research method of source-sink theory,the theoretical solution for the vertical displacement of soil caused by sinking pile is obtained.
在应变路径法的基础上,结合源汇理论的研究方法,可得到沉桩引起的土体竖向位移理论解,进而讨论了各种因素(如桩长(或沉桩深度)、离开桩身的距离、桩径)对沉桩时桩周地表隆起的影响,提出了沉桩的临界深度值和单桩的影响范围。
2.
it expatiates that applying the method of rushing and ejecting entad has an effect and the experience of the practice in sinking pile and brings forward some new improved content to this method.
阐述采用内冲内排法取得的效果和沉桩实践中的体会,并对该法提出一些改进内容。
3.
It provides an efficient &simple calculation method for deviation determination of sinking piles.
文章提出沉桩偏位测定的一种高效、简便的计算方法。
3)  pile driving
沉桩
1.
3-dimension analytical formula for excess pore water pressure resulted from pile driving;
沉桩引起的超孔隙水压力及其消散的三维解析解
2.
Inititial excess pore-water pressure developed during single pile driving
单桩沉桩引起的初始超孔隙水压力及其消散的计算
3.
Great soil squeezing pressure and excess pore water pressure were arisen during large-area pile driving engineering due to thick soft soil layer.
某厂房地基由于软土层较厚,在大面积沉桩施工时引起较高的土体压应力和超静孔隙水压力。
4)  piling [英]['pailiŋ]  [美]['paɪlɪŋ]
沉桩
1.
This paper introduces the prefabrication of ultra-long pile on water and piling construction for Phase II Project of Changshu Xinghua Port, which is jointly managed by China and Singapore.
介绍中新合资常熟兴华港二期工程水上超长桩预制与沉桩施工工艺。
2.
The calculation method commonly used for positioning and setting-out angle of piling survey of high-piled wharf is briefly introduced.
简述了高桩码头沉桩施工测量定位及其放样角度常用的计算方法,探讨了用Excel电子表格完成放样角度计算的新途径。
3.
Based on the application of "Changxu" offshore raising construction platform in port construction of China,it introduces the piling and other operations of offshore raising construction platform.
通过“长旭号”海上升降施工平台在我国港口建设施工中的应用情况 ,介绍海上升降施工平台沉桩和进行其他施工作
5)  pile sinking
沉桩
1.
The features and the environmental impact of vibration induced by pile sinking, recognizing the importance of environmental impact assessment of vibration induced by pile sinking were discussed.
讨论了沉桩振动的特点及其对周围环境的影响 ,认为对沉桩振动进行环境影响评价是非常重要的 。
2.
In the construction of ground prestressed pipe pile for the hyperbola cooling tower#9 in the third stage project of in Tianjin Chentang Thermal Power Plant,during the pile sinking process,the large super-thick sandy clay and silt soil is encountered.
以天津陈塘热电三期、9号双曲线冷却塔基础预应力管桩、沉桩过程遇超厚砂性大粉质粘土、粉土后,采用定层高压旋喷注水扰动辅助预制桩沉桩工法的施工过程为例,阐述了该工法的工艺原理、施工方法及适用范围。
6)  pile-sinking
沉桩
1.
Being aimed at the distinct character that the embedded depth of bearing stratum of pile foundation are undulated greatly and considering the feasibility of pile-sinking during the construction, the optimization design with the zoning of different pile heights was adopted.
基于工程地质资料,通过对PHC管桩试桩静载荷试验相关数据的归纳分析、反演计算,确定了合理的桩型、单桩竖向承载力设计值和桩数;针对桩基持力层层顶埋深起伏较大的特征,并考虑施工中沉桩的可行性,采用了分区变桩长的设计优化。
2.
One of the most useful pile-sinking method for prestressed-concrete pipe pile is static pressure method, the static pressure pile has some merits, such as the quality of pile body is easy to check and ensure, the price is relatively low, high work efficiency and no slop pollution.
静压式是预应力混凝土管桩的一种主要沉桩方式,静压桩具有桩身质量易于保证和检查,价格相对较低,施工工效高以及无泥浆污染等优点。
补充资料:振动沉桩机
      用振动方法使桩振动而沉入地层的桩工机械。作业时,桩与周围土壤产生振动,使桩面的摩擦阻力减小,桩杆由于自重克服桩面及桩尖的阻力而穿破地层下沉,还可以利用共振原理,加强沉桩效果。
  
  沉桩机由振动器、夹桩器、传动装置、电动机等组成。主要工作装置是定向振动器,其激振部分是成对的水平转轴。在转轴上有若干块质量和形状相同的偏心块。每对转轴的偏心块对称布置,并由一对相同的齿轮传动,转速相同,转向相反,因此,两轴运转时所产生的扰动力在水平方向相互平衡抵消,防止沉桩机和桩的横向摆动,在垂直方向扰动力相互叠加,形成激振力促使桩身振动。转轴的转速可以调节,因而振动器的激振频率、振幅和振动力也是可调的,以适应各种不同规格的桩和不同性质的地层。振动器的变频有机械、气压、液压或电磁等多种方式。振动器下部是夹桩器,备有各种不同的规格尺寸,以便与各种不同截面的桩相连接,使沉桩机和桩连成一体。夹桩器的操纵有杠杆式、液压式、气压式等。
  
  冲击式振动沉桩机的振动器与夹桩器之间采用弹性联系,在振动器下面和夹桩器上面分别设有锤头和砧座。当振动器工作时,锤头不断冲击砧座,既能使桩杆产生振动,减小土壤对桩面的摩擦阻力,又能使桩杆受到纵向冲击力,克服地层对桩尖的正面阻力,加快沉桩速度。
  
  作业时,将沉桩机装于桩顶,使之连成一体,由起重机吊起就位。为了防止振动作用通过吊钩钢丝绳传到起重机构上,振动器上部的挂架中设有减振弹簧。振动沉桩机工作时,选用的频率和振幅随桩而异,一般情况下,低频大振幅适用于直径大的钢管桩和重量大的钢筋混凝土预制桩,且宜于砂石类地层施工。中高频、中幅适用于钢板桩。频率高则能和桩的自振频率产生共振,使沉桩速度快而噪声小,宜于城市施工。冲击式沉桩机适用于粘土地层。
  
  沉桩机的基本技术参数是偏心力矩、激振力和电动机的功率。
  

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