| 1. | Evaluation of liquefaction potential 液化势评价 |
| 2. | Evaluation of liquefaction 液化势评价 |
| 3. | Grey incidence system analysis and evaluation of liquefaction of sands based on experience 基于经验的砂土液化灰色关联系统分析与评价 |
| 4. | Standard practice for determining the normalized penetration resistance of sands for evaluation of liquefaction potential 液化潜能的评价用砂的常规耐穿透性测定的标准操作规程 |
| 5. | The results show that the artificial neural network models of estimation and grade evaluation of liquefaction is scientific and effective 说明建立的液化判别及等级评价的网络模型是科学的、有效的。 |
| 6. | On the basis of measured data of earthquake liquefaction and damage quantity , this thesis set forth artificial neural network models of estimation and grade evaluation of liquefaction , which take versatile factors into account 本文依据地震液化及其危害程度实测资料,综合考虑多方面因素,建立了液化判别及等级评价的人工神经网络模型。 |
| 7. | This thesis analyses and assesses traditional methods , and brings forward the necessity of establishing models of estimation and grade evaluation of liquefaction , which concern minor factitious influencing factors and embrace aquantitative and qualitative indexes 本文在评析传统方法基础上,提出建立一种人为影响因素小、能容定量与定性指标于一体的液化判别及评价模型是非常必要的。 |
| 8. | Based on macroscopical earthquake calamities and laboratory tests , traditional methods about estimation and grade evaluation of liquefaction are inducted by means of generalization , analyses and statistics , which have some practicability and some limitation 传统的判别和等级评价方法多是在宏观震害现象和室内试验基础上总结、分析、统计得到的,有一定的实用性,但也存在着一些局限性,结论可靠度尚需提高。 |
| 9. | ( 5 ) based on an empirical formula , in terms of soil shear velocity , to evaluate soil liquefaction , which is simple to handle and prospective in further application , the author presents , in the probabilistic and fuzzy way , the formulae for the evaluation of liquefaction probability and fuzzy probability at given depths and for a fuzzy evaluation of liquefaction hazard of the total soil layers 讨论了当剪切波速具有随机性时液化的发生概率,进而给出了确定场地液化和危害程度的发生概率,在此基础上,结合液化和液化危害程度(等级)的模糊性,利用模糊事件的概率分析方法,提出了可同时考虑随机性和模糊性场地液化和液化危害性的发生概率的计算方法。 |
| 10. | Nowadays , with the rapid development of cities and industries , human activities take on the characteristics of expansibility and instantaneousness , which produce much information data correspondently . the former information treatment methods in the field of soil , engineering ca n ' t meet the users " demand on exactness and alternation . so the visual evaluation of liquefaction information system becomes the urgent task in soil engineering 当今,随着城市化和工业化的加快,人类活动呈现出空间扩展性和时间瞬时性的特点,相应产生了大量的信息数据,原有的岩土工程信息处理方法已不能完全满足用户对信息的准确、直观、迅速、可交互等多样性需求,因此地震砂土液化的可视化评价信息系统是岩土工程界迫切需要解决的课题。 |