Abstract: On the basis of such evaluation indexes as landscape diversity, landscape fragmentation and landscape isolatio文摘:以景观多样性、景观破碎度和景观分离度作为评价指标，分析渤海湾淤泥质海岸带典型地区景观空间格局以及人类活动对景观结构的影响。
Based on four project cases of vibro casing cast-in-place pile in silty sand foundation, the liquefaction of sand and it摘要以4个在粉砂地基中均采用振动沉管灌注桩的工程为例，分析了施工中砂土的液化及由此引起的断桩，并对单桩设计参数的取值提出了建议。
Layers of carbonate limestones, silty mudstones, quartz sand and solidified lava show that within the past 600 million y层层的碳酸石灰岩、粉砂质泥岩、石英砂和凝固的熔岩，显示在过去六亿年间，这个区域曾经是温暖的浅海，接著依序变成泥泞的沼泽、拥有炙热沙丘的广阔沙漠，然后是冰川，后来又再度成为浅海。
So it has the merits of lower price, liable quality, no slurry pollution, penetrating easily the silty and silty-sand la具有工程造价低，质量易于保证，无泥浆污染，能穿过粉土、粉砂层，施工速度快的优点。
This paper analyzes on,sums up and probes into some methods for the treatment of the collapsible loess,saturated loess,s对山西省变电站地基工程中常见的湿陷性黄土、饱和黄土、饱和粉细砂和杂填土的处理方法进行了分析、总结和探讨。