Scour相关论文
An experimental pectate lyase enzyme was used toscour knitted cotton fabric and the emphasis was on pectinremoval. Using......
Three-dimensional flow around a pipeline span shoulder is simulated using a fractional step finite element method. The R......
Temporal evolutions of scour at submerged circular cylinders were investigated. Flow visualization was carried out aroun......
In this paper,we report the turbulent flow structures and the scour geometry around two piers with different diameters.A......
The current study aims to investigate the characteristics of scour topography around High-Rise Structure Foundations(HRS......
The rapid development of offshore oil_fields has increased the number of submarine pipelines being constructed for the t......
为了研究河床冲刷效应对自由场和桩基桥梁地震反应的影响,设计并完成冲刷条件下的桩基桥梁振动台试验.试验采用了层状剪切土箱,场......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
This paper presents an experimental investigation of the circulation of the horseshoe vortex system within the equilibri......
The scour process induced by plunging jets is an important topic for hydraulic engineers. In recent decades, several res......
Three-dimensional flow around a pipeline span shoulder is simulated using a fractional step finite element method. The R......
A HYBRID MODEL FOR SIMULATING VELOCITY FIELD OF A RIVER WITH COMPLEX GEOMETRY PLUNGED BY MULTIPLE JE
A hybrid model that combines both physical and numerical models was employed to simulate the velocity field in a river a......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Comparison of Scour and Flow Characteristics Around Circular and Oblong Bridge Piers in Seepage Affe
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Calculation of Maximum Allowable Free Span Lengthand Safety Assessment of the DF1-1 Submarine Pipeli
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
A Field Investigation on the Effects of Background Erosion on the Free Span Development of a Submari
The safety of submarine pipelines is largely influenced by free spans and corrosions. Previous studies on free spans cau......
A new experimental and numerical approach to predict scour around abutments located either in the floodplain of a compou......
实测资料表明,黄河中上游干支流治理已经使下游的防洪形势发生变化,洪峰流量和年沙量大幅度减少,小浪底水库投入运用15年,下游河槽......
Based on the experimental data, the characteristics of maximum clear water scour hole around groins were studied by corr......
TVarious methods are proposed to control scouring around bridge piers. In the present study application of riprap alone ......
The three-dimensional flow field in a scour hole around different abutments under a clear water regime was experimental......
Calculation of Maximum Allowable Free Span Lengthand Safety Assessment of the DF1-1 Submarine Pipeli
The DF1-1 submarine pipeline was investigated using a dual-frequency side-scan sonar and a swath sounder system. More th......
Submerged vanes are submerged foils constructed in a river at an angle of attack to induce horizontal circulation in the......
近年来,海上风电的装机和发电量持续快速增长,运维检测面临诸多技术挑战。其中,风机水下结构的冲刷状况监测及风机全生命周期管理......
本文针对现在一些桥梁下部结构由于种种原因，使得地基土侵蚀，桩基裸露了出来。这些病害造成了不安全因素，为了找到这些病害对结构的动......
通过在水槽中做动床实验，对透水丁坝附近河床的冲刷特性进行研究，并对透水丁坝的冲刷过程进行分析。结果表明，透水丁坝的最大冲刷深度......
通过水槽试验，结合理论分析，探讨了圆弧型丁坝产生卡门涡的机理及坝后冲刷的原因，并进一步分析了卡门涡与坝后冲刷的关系。在卡门涡中......
为探究不同土壤类型工程堆积体坡面细沟形态与水动力学参数及侵蚀产沙间的关系,选取沟宽、沟深、宽深比等作为细沟形态参数,在放水......
近年来河道冲刷、桥墩桩基外露的病害频发,河道冲刷严重影响桥梁桩基承载能力。以湖北省黄冈市上巴河桥为案例,探讨分析了河道冲刷......
新安江大坝已运行40多年,本文通过对水毁情况、历年泄洪情况的分析,并在冲刷坑理论计算和冲坑系数反推分析的基础上,得出冲坑系数......
瓯飞一期围垦工程东2#闸为低水头水闸,属于低佛氏数消能;闸下为淤泥,起动流速很低,极易被冲刷。原设计方案模型试验表明,常规消能......
西霞院水库是黄河小浪底水利枢纽的反调节水库。近年来，水库坝前漏斗区初步形成冲刷漏斗，下游南岸淤积情况明显，造成西霞院水库“上冲......
阜阳市当前污染物主要是PM10,通过分析2012、2013年PM10值,空气质量总体为良,达到二级质量空气标准天数占84.4%,不适宜人类呼吸的......
重点介绍高速船舶螺旋桨和助推器水流对水工建筑物冲刷的作用机理,以及国外一些较新的研究成果.......
通过局部正态模型试验，研究鳗鱼沙心滩整治建筑物有、无护底条件下局部冲刷坑深度与范围。根据成果分析，确定鳗鱼沙心滩整治工程重点......
在长时间的运行过程中,天然分汊航道容易出现泥沙淤积、航道变形及河口区后方浅滩冲刷等问题。针对天然分汊航道,融入"生态水利"的......
锅炉受热面四管爆漏严重影响机组安全运行,引起四管爆漏的原因有很多,本文对管卡问题导致爆管进行了分析。并提出了相应的控制措施......
应用大型流场分析软件Fluent，采用现代三维运动界面追踪技术VOF（流体体积）方法和标准k-ε模型耦合求解对圆心角为90°弯道的弯道......
应用大型流场分析软件FLUENT，采用现代三维运动界面追踪技术VOF（volume of fluid）方法和标准k-ε模型，耦合求解对桥墩附近三维流场进行......
在对2006年黄河桃汛洪水万家寨调水试验基本情况介绍的基础上，主要分析了三门峡水库相关各站洪水、水库运用和库区冲淤等情况，并对桃......
葛洲坝水利枢纽工程已运行20余年，近年水下检查中发现泄水建筑物进水口存在不同程度的冲磨，有些已威胁到建筑物安全运行，分析冲磨原因......
左江水电站自2001年遭遇20年一遇的＂7.5＂洪水后,下游两岸边坡就一直存在冲刷现象,造成严重水土流失,并且趋势逐年扩大,进而危及两岸......
综采工作面遇断层或冲刷土质构造时,阐述了用强行截割或放炮的方法通过的条件及工艺参数的确定,并对关键参数进行了较为详细的分析......
针对以往常用的丁坝绕流流场计算方法存在的不足,建立了边界拟和曲线坐标变换下的平面二维变水深流函数-涡量数值模型.给出的坐标......
介绍了汾河水库至扫石段汾河河道物质组成,从岩性、颗粒组成等方面总结了该段河道的沉积规律,对输水线路可能受到的冲刷影响进行了......
直接量测基础冲刷深度比较困难，通过桩基振动频率推测冲刷深度是一种可行的方法。采用瞬态激发方式使埋在土中的单桩产生振动，分别利......
简略分析了提高铝电解烟气干法净化效率需要解决的关键问题,详细介绍了铝电解烟气干法净化除尘器内部流场试验研究过程中发现的问......
基于一阶迎风格式平面二维河道溃口水流模拟,建立了非均匀沙模型并用于模拟平面二维溃堤水流泥沙及河床变形.给出了实际算例,证明......
