灣口壩 的英文怎麼說
中文拼音 [wānkǒubà]
灣口壩
英文
baymouth bar-
From sedimentology symbol such as rock assembled, sediment gradus, sandstone grading analysis, protogene sedimentary structure, ichnofossile and logging facies etc and palaeoenvironment background, it is confirmed that shen84 - an12block s34 segment is braid river delta system, not fan delta system ( abrupt slope ). then it can be more partition as braid river delta plain sedimentary assembled, delta front sedimentary assembled and prodelta sedimentary assembled on core and log assembled. and delta plain sedimentary assembled can be identified four microfacies : braided distributary channel, crevasse splay, overbank deposits and interdistributary bay
沉積微相研究是儲層非均質性研究的基礎，研究區有豐富的巖芯資料和測井資料，通過巖石組合、沉積韻律，砂巖粒度分析、沉積構造、古生物遺跡和測井相等沉積學標志，結合古環境背景，確定沈84 ?安12塊s _ 3 ~ 4段為辮狀河三角洲體系，而不是前人所認為的扇三角洲（陡坡型）體系，在巖芯和測井組合上可進一步劃分為辮狀河三角洲平原沉積組合、三角洲前緣沉積組合和前三角洲沉積組合，其中三角洲平原沉積組合又可識別出辮狀分流河道、決口扇、分流河道邊部和分流間灣四種微相類型；三角洲前緣沉積組合識別出水下分流河道、水下分流河道邊部和分流河口壩三種微相。Abstract : the qiantang estuary with violent hydrodynamic conditions is well known for its tidal bore. the regulation of the estuary in the past, especially the progress since the founding of new china are reviewed. the principles of the regulation and planning of the qiantang estuary formulated in 1960s are expounded, i. e., to narrow the river to reduce the tidal prism, and to increase the ratio of the river flow to tidal discharge. the experience of estuary regulation / reclamation is summarized, especially the engineering measures to protect the groin head and to use polder dykes as sea defense works. finally, the effect is analyzed of the large - scale constraction / reclamation in the estuary on the tides, flooding high water level, estuary bed and the northern deep waterway in the hangzhou bay
文摘:以涌潮聞名的錢塘江河口，動力強勁，破壞力極大.回顧錢塘江河口歷代治理情況，重點記述1949年以來治理工作的進展，論述60年代提出的錢塘江河口治理規劃的指導思想，即縮窄江道，減少進潮量，增大山潮水比值的整治原則.總結整治規劃實施過程中治江圍塗經驗，特別是「以圍代壩」和丁壩壩頭保護等工程措施.分析錢塘江河口大規模治江圍塗后對錢塘江河口潮汐、洪水位、河床以及杭州灣北岸深槽的影響For estuary - shallow marine and estuary sand bars, became the sedimentary conditions are no longer favourable, no sand ridge sediments were formed
對于河口灣淺海沉積和河口灣砂壩沉積而言，由於沉積條件不再有利，沒有形成沙脊沉積。The rock types comprise the delta front subfacies subaqueous distributary channel, channel - mouth bar and distal bar microfacies, and delta plain subfacies subaerial distributary channel microfacies sandstones and siltstones. as for the reservoir quality, the subaqueous ( subaerial ) distributary microfacies channel sandstones are the first, the channel - mouth bar microfacies sandstones come second, the distal bar microfacies sandstones is the third, and the last one is the interdistributary bay microfacies sandstones. the intense compaction, pressure solution and late carbonate cementation are responsible for the reduction of the porosity and permeability of the reservoir rocks
三角洲前緣水下分流河道、河口砂壩、遠砂壩及三角洲平原水上分流河道微相決定了儲集巖的發育，分佈及原始物性條件；水下（上）分流河道微相砂體厚度大、物性和孔隙結構好，次之為河口砂壩微相砂體，遠砂壩微相砂體儲集性較差，而分流伺灣微相砂體物性和孔隙結構最差。And the delta genetic unit includes distributary channel, distributary bay, small lake of delta plain, swamp, distributary estuary bar, frontal delta mud and sandy density flow and so on. the fluvial system is composed of channel, channel side and flooding basin
其成因相包括分流河道、決口扇及決口河道、分流間灣、三角洲平原小型湖、沼澤、分流河口壩、前三角洲泥及砂質重力流等；該區河流體系由河道、河道邊部及泛濫盆地等沉積組合構成。According to observing the core and well logging facies analysis, yanchang 4 + 5 sector to yangchang 3 mainly developed underwater distributary channel, river mouth bars, underwater natural levee, underwater crevasse splay, interdistributary bay, far bars, etc. and some shallow lake subfacies
根據巖芯觀察以及測井相分析，認為長4 + 5 ?長3期以水下分流河道、河口砂壩、水下天然堤、水下決口扇、分流間灣和遠砂壩等沉積微相以及部分淺湖亞相沉積為主。The sediments of the incised valleys show an upward - fining succession, and can be grouped into four sedimentary fades : gravel lag - deposit of in - channel to partly over bank sediments of a meandering river, flood plain - estuary, estuary - shallow marine, and estuary sand bar, based on lithology, paleontology, and sedimentary textures and structures
根據巖石學、沉積結構和沉積構造特徵，本區下切河谷充填沉積物具有向上變細的沉積層序，可以劃分為4個沉積相類型：河床滯留沉積物到部分曲流河沉積體系的邊灘沉積、河漫灘河口灣沉積、河口灣淺海沉積和河口灣砂壩沉積。These problems are discussed in the light of the construction of the steel tubular pile foundations for bahekou heavy cargo wharf in the three gorges and yangjiawan container & general cargo wharf
文章依託三峽壩河口重件碼頭和楊家灣集裝箱雜貨碼頭鋼管樁基礎工程，探討了以上問題。For two up and down plunging jets, an optimization model is introduced according to maximum energy dissipation. in this model, the exit angle of jet is first considered actually. the optimal computation of the energy dissipation between two impinging jets in xiao - wan project demonstrates that this model is reasonable too ; 6
對于上、下雙股挑流水舌，以碰撞消能率為優化目標，首次考慮了出口水舌的坦化影響因素，建立了優化數學模型，並通過對小灣拱壩壩身表、中孔水舌的碰撞計算，認為所提出的數學優化模型是可用的； 6A mathematic model is first introduced for optimizing the layout of flood - release structures in a high arch dam after an idea of the broad sense of construction costs for unit area gate is introduced, and the optimal computation of the layout of flood - release structures in xiao - wan arch dam demonstrates that this model is reasonable ; 4
在引入了閘門廣義單位面積造價的基礎上，首次建立了高拱壩壩身泄洪建築物布置的數學優化模型，並通過對小灣拱壩壩身泄洪孔口的優化布置計算，說明所提出的數學優化模型是可用的； 4The disadvantage is that small variations in coastlines such as bays and inlets cannot be resolved. the bay model complements the first by using a very fine grid to resolve those geographic features such as bays and inlets at which storm surge observations are absent and where storm surge information is required as design parameters for coastal structures such as embankments
而港灣風暴潮模式的覆蓋范圍較小，這模式利用一套非常密集的網格點來計算出例如港灣和河口等地理位置的風暴潮資料以補開闊海岸模式的不足。當建設沿岸工程如堤壩等需要參考港灣和河口的風暴潮資料而又沒有這些紀錄時，這套模式便派上用場。4 ) three - dimensional nonlinear analysis of the bottom outlet of the xiao wan arch dam is presented using sub - model techniques. the structural characteristics and failure mechanism of the bottom outlet, under loading of concrete deadweight, hydraulic pressure, internal water pressure and temperature are studied. it is shown that the meshing of the structure becomes easy and the computing time is reduced by using sub - modeling method
4 ）對小灣拱壩的1 ~ #底孔進行了三維非線性分析，研究了孔口在壩體自重、庫水壓力、孔內水壓力和庫水溫度影響等作用下的孔口應力分佈、混凝土開裂、裂縫發展規律以及配筋對孔口開裂和裂縫擴展的影響。The proposed formula is in accordance with the old one, and the affect of nonlinear material properties of concrete and steel bars is considered by an adjusting coefficient. 6 ) based on theoretical and experimental research on material characters of steel fibered reinforced concrete, a finite element model for nonlinear analysis of steel fiber reinforced ( sfrc ) structures is presented. two - dimensional analysis on various sections of the orifice in the xiao wan arch dam is carried out
6 ）根據已有的鋼纖維混凝土基本理論和試驗研究成果，建立了鋼纖維混凝土（ sfrc ）的有限元模型，對小灣拱壩的1 ~ #底孔斷面進行了非線性分析，研究了大連理工大學博士學位論文採用不同厚度的鋼纖維混凝上增強層和不同摻量的鋼纖維對孔口抗裂、限裂性能的影響。分享友人