Sea ice thickness is one of the important parameters involved in the evaluation of sea ice force.
海冰的厚度是计算海冰作用力的重要参数之一。
Model tests were performed to study the characteristics of ice force on conical structures.
通过冰力模型试验，研究了锥体冰力的特征和锥间距对冰力的影响。
In this paper, the characteristics of ice force on conical structure has been studied by model tests.
通过冰力模型试验，研究了锥体冰力的特征。
Alternating stress produced by alternating dynamic ice force evidently results in the partial fatigue failure.
交变冰力引起的结构交变应力必将导致结构的局部疲劳损伤。
Two dynamic ice force functions were separately set up for the two modes of two-time fracture process in this paper.
本文针对二次断裂进程的两种模式，分别提出了两种模式下柔性锥体结构上的概化冰力函数。
In the Bohai sea, especially in the Liaodong Bay, sea ice force is the controlling load in Marine engineering design.
在渤海，特别是在辽东湾，海冰作用力是海洋工程设计的控制荷载。
There are two modes of dynamic crushing ice forces on vertical structure: steady state ice force and random ice force.
直立结构的挤压动冰力分为稳态动冰力和随机动冰力两种模式。
The phenomena of ice-induced steady state vibration and frequency lock-in between ice force and response were observed on offshore platform.
在海洋平台上观测到了冰致结构的稳态振动，以及冰力和平台响应问的频率锁定现象。
The results illustrate that three ice force modes, quasi-static, steady-state and random vibration, could be formed with the increase of ice speed.
结果发现：随着冰速的增加，可以出现三种不同冰力形式并分别引起结构准静态振动、稳态振动和随机振动响应。
The understanding and hold of the failure of ice and its dominating mechanisms are important ininsuring the accuracy of the estimation of ice force in engineering.
对冰的破坏形式及其破坏进程控制机理的了解和把握，是保证工程设计中对冰力值估计准确性的重要前提。
First of all, a literature review is presented. The existing prediction models of static ice force are reviewed and their applicability and limitations are discussed.
本文首先针对课题相关研究进行了文献综述，回顾了现有的静冰压力预测模型并讨论了其适用性和局限性。
The principles and performance of the ice force oscillator model are presented in the paper, and its numerical solutions for a single degree of freedom system are demonstrated.
本文叙述冰力振子模型的建立原则及其特性，并给出一单自由度系统的数值解。
A new formula used for the ice force analysis of the narrow conical structures is presented, with which the requirements for the constructing of dynamic ice force function are satisfied.
为了满足窄锥结构动冰力函数构造的需要，提出了一个新的锥体结构冰力计算公式。
Since modern damage mechanics is not able to describe the crushing process of ice sheet accurately, it is fairly difficult to study crushing ice force using theoretical or numerical methods.
鉴于目前固体破坏力学不能准确描述冰的挤压破碎过程，理论和数值方法的应用非常困难。
Then the dynamic ice force researches on both vertical and conical structures in Liaodong Bay are presented, which form the foundation of quantitatively calculating the structural fatigue life.
奉文重点讨论了渤海锥体与圆柱抗冰结构动冰力模型的进展，为定量计算结构疲劳寿命创造了条件。
In this paper, the sea ice force acting on the structure, the ice physical mechanical properties and the parameters selecting in calculation equation proposed by API (RP2N) and others are discussed.
本文分析讨论了在设计寒冷海域结构物时，考虑冰载荷的影响、海冰物理力学特性对冰载荷的影响以及计算冰载荷的公式选用和有关参数的选取。
Based on analysis of the field tests data, crushing ice forces on vertical structures are classified into three modes: quasi static ice force, steady state dynamic ice force and stochastic ice force.
根据原型结构实测数据的分析，本文把直立结构的挤压冰荷载分为三种不同的模式：准静态冰力、稳态交变冰力以及随机交变冰力。
The comparison of different fatigue life of platform calculated by different ice-force model indicates that the vibration amplitude of platform is relatively small at high ice velocity.
对使用不同冰力模型计算出的平台疲劳寿命进行的对比结果表明，较高冰速下平台动力响应较小；
The comparison of different fatigue life of platform calculated by different ice-force model indicates that the vibration amplitude of platform is relatively small at high ice velocity.
对使用不同冰力模型计算出的平台疲劳寿命进行的对比结果表明，较高冰速下平台动力响应较小；
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