The scattering of SH waves by an alluvial valley of arbitrary shape in a layered half-space is modeled using the indirect boundary element method(IBEM) in the frequency domain.
利用间接边界元方法在频域内求解了层状场地中任意形状沉积河谷对平面SH波的散射;利用土层的精确动力刚度矩阵求解了应力和位移的动力Green函数;结合间接边界元法,研究了沉积河谷宽度、厚度、入射角、入射频率等对地表位移幅值的影响,并与按一维场地模型计算的结果进行了比较。
Scattering of P and SV Waves by Alluvial Valleys with Saturated Soil Deposits;
饱和沉积河谷对平面P和SV波的散射
Analysis of seismic dynamic response of layered alluvial valleys with soft interlayer
含软夹层的层状沉积河谷场地的地震动力响应分析
Site Response of Non-Concentric Circular-Are Layered Alluvial Valleys & Canyons Excited by Incident Plane P Waves;
非同心层状沉积河谷和带覆盖层凹陷地形在平面P波入射下的场地反应
A strike-valley sand is deposited in the drainage course of a subsequent stream valley.
走向谷砂岩是在次生河谷水系中沉积的。
All valley deposits are subject to repeated erosion, transportation and redeposition.
所有的河谷沉积物都容易受到重复的浸蚀，搬运和再沉积。
The Study on Characteristics of Slackwater Deposits of Palaeoflood Sedimentary in the Loess Regions
黄土地区河谷古洪水平流沉积物特征研究
Channel deposits, consisting of sand, silt and clay, fill the valleys cut by a river system.
河道沉积由砂，粉沙和粘土组成，充填于河流切割的河谷之中。
The genesis of valley deposits is intimately associated with the history of the stream by which they were formed.
河谷沉积物的成因实质上与河流形成的历史相联系。
Glacial Deposits and Glaciotectonics in Fuqu River Valley on the Southeast Slope of MT. Xixabangma
希夏邦马峰东南富曲河谷的冰川沉积和冰川构造
Bryoflora, Ecology and Travertine Deposition of Bryophytes in Malinghe River Valley;
马岭河峡谷苔藓植物区系、生态及其生物钙华沉积研究
The river deposited silt at its mouth.
那条河在河口沉积淤泥。
Mass movement of soil, rock, or older sediments are essentially hillside processes rather than valley processes.
土壤、岩石或较老沉积物的大体积运动实质上是一种山坡过程而不是一种河谷过程。
Many problems in sediment engineering involve dealing with river valley deposits as a whole.
泥沙工程中的许多问题都把河流的河谷沉积物作为一个整体来研究。
Luohe formation mainly develops aeolian deposit, alluvial fan and braided deposit.
洛河组主要发育风成沉积、冲(洪)积扇、辫状河沉积;
Sediment begins to choke the channel's opening.
沉积物开始淤塞河道口。
Major sedimentary facies in the Luohe Formation include alluvial fans facies, eolian facies,braided fluvial facies, and desert facies.
洛河组主要沉积了冲积扇相、风成沉积相、辫状河相和沙漠相;
River sediments gradually silted the harbor.
河流的沉积物逐渐使港口淤积
Sedimentation rate is an important parameter in sedimentation environment.
沉积速率是河口海岸沉积环境的重要参数。