| 1. | Evaluation of liquefaction potential 液化势评价 |
| 2. | 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 |
| 3. | The result indicates that the liquefaction potential of the foundation is greatly reduced 分析表明,考虑3种作用后,处理后的高速公路液化地基在地震作用下液化的可能性大大降低。 |
| 4. | In this dissertation , the studies on dynamic behavior of soils and liquefaction potential of saturated sands are briefly reviewed 本文简要地回顾了土的动力特性以及砂土震动液化研究进展。 |
| 5. | Meanwhile , through the calculation of the liquefaction potential index , the impact of soil liquefaction on pipeline ' s performance is examined 同时,依计算的液化潜能指数,可以探讨土壤液化对管线的影响。 |
| 6. | The key parameters associated with damage evaluation consist of damaged length , peak ground acceleration , and liquefaction potential index 灾损评估时的重要参数包括破坏长度、最大地表速度和液化潜能指数。 |
| 7. | So , it is of critical importance to study dynamic properties and their liquefaction potential of recently deposited soils of nanjing and its surrounding areas during earthquake 因此,研究南京及其邻近地区漫滩相新近沉积土的动力特性,评估它们在地震作用下的液化可能性,具有重要的现实意义。 |
| 8. | With an analysis of soil liquefaction potential for free field of nanjing metro line 1 under 7 degree earthquake , as well as for excavated field , in line with railway engineering anti - earthquake design specification , dynamic triaxial tests and theoretical analysis using efficient stress method , the author comes to the conclusion that , when metro plate is located at layer s and the layer is thick , liquefied area is at metro bottom plate ; in some local section liquefied area is at metro top plate , or arch sides at the top of metro in most places 摘要采用铁路工程抗震设计规范、动三轴试验及有效应力的理论分析相结合的方法,对南京地铁南北线( 1号线)区间隧道开挖后其地基土在7度地震情况下的土层液化情况进行分析得出:当隧道底板坐落在5层且5层较厚时的液化区出现在隧道衬砌底板处;局部地段液化区出现在隧道顶部及拱腰;大部分地段的液化区出现在隧道顶板上方。 |
| 9. | Liquefaction potential induced by seismic and wave are calculated separately . for the first time , liquefaction areas in 7 , 8 , 9 degree of seismic intensity are partition , dynamic bearing capacity and sinking value due to earthquake are calculated by experimental formula . the purpose of this thesis is to provide references for selecting site and foundation design of marine engineering in this area 研究结果显示,研究区在7度地震时仅少数区域可能液化, 8度地震时大部分区域可能液化, 9度地震时全区均有可能液化;地震作用下承载力下降明显, 7度地震时承载力下降约25 , 8度地震时下降一半左右, 9度地震时则地基强度完全丧失;液化导致的震陷量与土层的液化程度有关, 7度地震时震陷量基本可以忽略, 8度地震时震陷量很小, 9度地震时震陷量则较大。 |
| 10. | The researches of dynamic behavior and liquefaction potential of saturated sands have been further . however , more and more macroscopic liquefaction phenomena and experimental investigations show that different depositional environments lead to different structure of soils , while the influence of structure property of soils on liquefaction resistance is no less than that of density and consolidation stress and so on . ancient alluvial flat deposits , namely recently deposited soils , are easier liquefaction during earthquake 对于一般饱和砂土的动力特性和液化势的研究已比较深入,然而,愈益增多的宏观现象和试验研究表明,由于土的沉积环境不同而导致土的结构性的差异,而土的结构性对抗液化能力的影响并不亚于密度、固结压力等因素,古河漫滩堆积物即新近沉积土在地震当中更容易液化。 |