因振动桩锤非常经济,一直受到施工者青睐。
Vibratory pile drivers can be extremely economical and therefore the contractors' preferred method of pile driving.
本文对影响振动桩锤沉桩能力的土力因素进行了研究。
In this paper the attention is paid to study the soil-related factors affect the vibro-driveability.
以某铁路曲线多跨简支梁桥为例,讨论了考虑桩土作用的铁路曲线梁桥车桥耦合振动。
The coupled vibration analysis of rail-way simple-supported curved-girder Bridges and vehicles was discussed in this paper.
该文研究了非线性粘弹性土层中粘弹性悬浮桩侧向振动的动力刚度。
Dynamic stiffness for lateral vibration of a viscoelastic floating pile in a nonlinear viscoelastic soil layer is investigated.
这一参数直接反映出冰与结构综合作用条件对系统动力效应的控制水平,为冰激柔性直立桩结构振动问题的研究开辟了一个重要的突破方向。
This parameter directly reflects the interaction level of ice and structure, and creates an important breakthrough direction in the research of ice induced vibration of compliant vertical column.
研究了轴向周期载荷作用下非线性粘弹性嵌岩桩纵向振动的混沌运动。
The chaotic motion problem for the Longitudinal vibration of a nonlinear viscoelastic pile subjected to an axial periodic force is investigated.
本文结合工程实例详细介绍了振动沉管灌注桩的施工方法和适用范围。
This paper introduces construction method and applicable range of vibration sinking pipe perfusion pile in detail combining engineering example.
拔桩时,在一边振动的情况下,以挖机上提力将桩拔起。
When extracting piles, in the condition of vibration to pull out the pile by using excavator lift force.
对沉桩振动的环境影响评价范围、评价标准、评价等级、现状调查、振动测量、振动预测、评价内容等问题作了说明和分析。
It also analysed and explained assessment range, standards, grade, content and investigation of present state, measurement and prediction on environmental vibration in the standard.
本文介绍了液压振动沉拔桩机的特点、工作原理、安全控制、主要技术性能和应用工作特性。
This paper introduces the features. work principles, safe operations. main technique; properties of the hydraulic vibratory machine for subsiding the stakes.
结合振动挤密碎石桩公路工程中的应用实例,介绍了振动挤密碎石桩抵抗砂土液化的原理、性能和设计方法。
Combined with the construction practice, the paper introduced the principle, performance and design method of the liquefaction of vibrating sand compaction pile.
液压振动系统的主要特点是在桩机液压系统中的压桩油路产生流体压力变化和波动,从而使沉桩力出现高频的周期变化,产生振动压桩的效果。
The main character of the HVS is that, by means of fluctuating oil pressure, the pile-driving force can be changed in a higher frequency, and therefore better vibrating effect can be gained.
本文介绍了某工程采用振动沉管工艺进行CFG桩与碎石桩联合处理软弱、液化地基的成功经验。
The paper introduces the succeed experience of soft and liquefaction foundation treated by CFG pile and crushed stone pile by means of vibration pile sinking technology.
打入式基桩施工引起的持续振动可引起桩周土液化,降低桩侧摩阻力,从而影响单桩承载力。
Owing to the liquefaction of soil around piles caused by sustained construction vibration the lateral resistance and bearing capacity of piles could be decreased.
由于搅拌桩复合地基具有无振动、无污染,不存在挤土效应,节省钢材的特点,使搅拌桩复合地基近年来已逐步地应用于工程实践中。
As mixing pile composite foundation has non vibration, non pollution non squeezing effects as well as saving steel products, recently it has been more and more used on the engineering practices.
分别对均质土中完整端承桩和弹性支承桩在垂直谐和激振力作用下的纵向振动特性进行了研究。
Longitudinal vibration of an integral pile in an uniform soil with end bearing boundary or elastic bottom boundary undergoing vertical harmonic load is theoretically investigated.
静力压桩法因其无噪音、无振动、施工速度快、桩身质量可靠,在我国软土地区多层建筑和高层建筑中较为广泛地得到应用。
Because of no noise, no vibration, high construction speed and reliable quality, the jacked pile are more widely applied in multi-storey buildings and high-rise buildings in China's soft soil area.
采用数值模拟方法,对新浇混凝土灌注桩在爆破振动作用下的动态响应进行了分析。
The dynamic response of fresh concrete filling pile under blasting load is studied by numerical simulation in this paper.
对该地基采用了强夯加固、在强夯地基上打桩、振动碎石桩和混凝土灌注桩多种地基处理方法。
The method includes the forced ram, piles driving on the ramed ground, vibrating crushed stones piles and injecting concrete piles etc.
研究了在给定桩顶轴向动位移条件下非线性粘弹性嵌岩桩纵向振动的混沌运动。
The vertical chaotic motion of the nonlinear viscoelastic pile embedded in rock with a vertical displacement, is investigated.
利用所得解对土体动力反应特性和桩的纵向振动特性进行了无量纲参数分析。
Thus the resistance factor and vibration modes of the soil layer are obtained and used to analysis the pile response.
提出涨潮急流下码头基桩内力的分析计算方法和基桩的振动分析方法,找出了断桩原因。
The method of analyzing and calculating the internal force of wharf foundation pile and vibration analysis method for wharf foundation pile under flood tide torrent are advanced.
近年来,振动沉管碎石挤密桩在处理饱和黄土地基方面得到了相当广泛的应用。
In recent years, the close-packed macadam piles are widely used in dealing with saturated loess base.
对成层土中变阻抗(变模量或变截面)桩在任意激振力作用下的纵向振动特性进行了研究。
Longitudinal vibration of pile with variable impedance (variable sections or modulus) in layered soil undergoing arbitrary load is theoretically investigated.
阐述了海底取样时岩芯形成的理论过程,推导了有关理论计算公式,得出了形成“桩效应”的条件,并论述了取样器静压力及振动锤多项参数的理论计算公。
Also it presents the condition of forming "stake effection" is reached and the theoretic calculation formulas of hydrostatic pressure and multi parameter of vibratory hammer of the sampler.
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。
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.
人工挖孔灌注桩是一种经济实用的桩型,具有承载力高、灵活性大、施工噪音小、无振动等特点。
The manual digging pile is an economical and practical type of pile with the properties of high bearing capacity, great flexibility, low noise and no vibration of construction, etc.
静力压桩法因其无燥声、无振动、施工速度快、桩身质量可靠,在我国软土地区的多层建筑和高层建筑中较为广泛地得到应用。
The Jacked pile is more widely applied in multi-storey buildings and high-rise buildings in China's soft soil area, because of no noise, no vibration, high construction speed and reliable quality.
对一冲孔桩施工产生的地面振动进行了现场的振动测试,调查分析了房屋结构的损伤,得出了振动影响的评估鉴定结论。
In this paper the experimental data of a pile driving vibration is presented, and it was studied and investigated of the damage of a nearby building during the pile driving construction project.
新型灌注沉桩机采用偏心块振动式机构,强迫振动土壤破裂下沉桩管。
The new type of pile engine of grouting adopts structure of eccentric block vibration, setting pile by forced vibration soil to be broken.
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