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Superposition of geographic information of the digital elevation model and maps of landscape genres is weighed to mirror the spatial distribution of the plant communities at different slops, aspects and position.

利用数字化地形模型与景观类型图进行地理信息叠加,以定量化地反映主要群落在不同度、向以及位的空间分布,获得各群落的分布结构,数量化研究地形因素与植被分布的关系。

Combined with the excavation blasting work of the left-bank abutment slope of Jingping Hydro-power station cascade-Ⅰ, the dynamic properties of slope under blasting vibration is analyzed. The advantages and disadvantages of different excavation methods are compared, which offers a reference for the engineering practices.

结合锦屏一级水电站左岸坝肩槽高边爆破开挖,分析了该工程边在爆破震动荷载作用下的动力特性,并比较了不同爆破方案的优劣,为工程实践提供了参考和依据。

The selection of neutral-point earthing ways of the hydrogenerator of left-bank power station in the Three Gorges Project should be related to one-point earthing protection of the stator of its generator within one hundred percent framework.

三峡船闸高边,因地应力释放、渗流条件变化和岩石徐变,使岩产生缓慢位移,改变了人字门的支承条件,从而影响到人字门的正常工作。

Secondary stress field resulting from valley cutting is basically symmetric about the valley central line hut not of axial symmetry . From top to foot of valley wall , the tangent stress and the width of high tangent stress zone get gradually big , reaching maximum at the valley botton .

沟谷的下切形成的二次应力场除了关于沟谷中线基本对称外,不具备轴对称特征,从顶到角,切应力高值区内切应力量级和高值区的宽度逐渐增大,在沟谷正下方达到最大,甚至有可能突然增大。

The experts and scholars launched many-faceted and many-subjected research against the banpo relics on the base of archaeology survey and excavation work.

在半遗址的考古勘查与发掘工作基础上,专家学者展开了对半遗址多方面、多学科的研究工作。

On the basis of the analysis of the natural engineer characteristics in physical mechanics,the stability of the sections is computed,furthermore the mechanisms to deal with the marlstone slope geological disaster are established,to make out what administer projects for the slope should be taken.

在对高切的物理力学性质一般分析的基础上,确定稳定性分析有关模量,进行定量分析计算,并进一步确定高切的加固防护措施。

The length of expansive soils and rocks ditch part of the Mid-line Water transfer from South to North is 340 km, so the disposal technique, analysis methods and the long term stability of ditch slope are the key problems.

膨胀土具有胀缩性、裂隙性、超固结性,其工程性质特殊,即使很缓的边也可能失稳,南水北调中线工程膨胀岩土渠段长达340km,渠的处理技术、分析方法与长期稳定性是关键问题。

At the mean time, for P2 and P3 instrumentation points which located at the depth of 2.5 m below the mid-slope surface and at the depth of 3 m below the slope top respectively, the pressure head remain negative and this indicates both points are still situated at the unsaturated zone in between the soaking line and groundwater table.

在此同时,P2监测点(面中点下方2.5 m)及P3监测点(顶下方3 m)之压力水头则仍维持负值,此显示两监测点周围区域仍处於浸润线与地下水水位线间之未饱和区。

From 1998 to 2000, soil moistures were measured every April to October by using TDR sys...

则较差,但沿沟向下到沟底,土壤水分不断增加,分别为 6 。3%、6 。4 %和 10 。4 %。

In the rock-soil engineering, the soil pressure caused by slope excavation is very complicate .It not only withes pays to the reinforced structure displacement, stiffness and geological condition, but also related with the excavation method.

岩土工程中,边因开挖脚岩土体所产生的作用于支挡结构上的土压力情况复杂,它不仅与支护结构位移、刚度和岩土体地质条件相关,而且还在很大程度上取决于施工方法。

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