tunnels相关论文
Due to weaknesses from traditional grading system,the evaluation ignores the impact of uncertainty,complexity and ambigu......
In order to study the unsteady aerodynamics effects in railway tunnels,the 3D Reynolds average Navier-Stokes equations o......
This paper deals with the theory and calculation methods for compensation of the gradient in railway tunnels through the......
Through analyzing the failure mechanics of rock under blasting effect, the optical fiber sensing system was used to moni......
The efficiency of excavation a mining tunnel is definitely linked with modes of cut-holes. According to experience and m......
前不久因公去了一趟越南，工作之余，朋友向我推荐一个特别的旅游景点西贡的古芝，说在当今世界上绝无仅有。从地图上看，古芝是个不起眼的......
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......
The air entrainment for avoiding cavitation damage has been widely used in long free flow tunnels. It is crucial to dete......
法国国营铁路 法国从巴黎至里昂的东南线TGV高速铁路自1981年起运营至今。在这条成效卓著的线路上,列车以每小时270公里(168英里)......
The hydraulic characteristics of three types of plugs, namely, the single plug, the stepped plug and the gradually contr......
Synthesis and Crystal Structure of Sm Cu_(7.73)In_(3.27): a New 3D Framework Based on [Cu_5In_4M_4](
A new intermetallic compound, SmC u7.73In3.27, has been synthesized by solid-state reaction of the corresponding pure el......
Introduction The flood discharge of a large hydropower station is always related to orifices in the dam body and the spi......
THEORETICAL AND EXPERIMENTAL STUDIES OF HYDRAULIC CHARACTERISTICS OF DISCHARGE TUNNEL WITH VORTEX DR
The velocities at given points in the volute chamber,the contracted section and the vertical dropshaft of a discharge tu......
A profound understanding of the mechanical behaviors of marble is very important for the design and construction of deep......
A new boroantimonate K_2SbB_3O_8 has been synthesized by high-temperature solidstate reactions, and its crystals have be......
Model test of the tunnel subjected to high water pressure in Jinping Second Cascade Hydropower Stati
In the area with high groundwater pressure,grout curtain is often adopted to reduce the water pressure on tunnel lining.......
Geological conditions and key rock mechanics issues in the Western Route of South-to-North Water Tra
In terms of special geological conditions of the Western Route of South-to-North Water Transfer Project,the classificati......
Mechanism of zonal disintegration in surrounding rock mass around deep rock engineering and its appl
The mechanical behaviors of deep rock mass are different from those of shallow rock mass.Through cases of Jinping II Hyd......
Influence of pore water pressure on upper bound analysis of collapse shape for square tunnel in Hoek
To investigate the effective shape of collapsing block in square tunnel subjected to pore water pressure,the analytical ......
Rock mechanical problems and optimization for the long and deep diversion tunnels at Jinping Ⅱ hydro
According to site-specific environments such as high water pressures,high in-situ stresses and strong rockbursts,the des......
On December 8, 2011, the last diversion tunnel in the world’s largest tunnel group is broken through at the site of Jin......
Rockburst problems induced by high in-situ stresses were prominent during construction of the headrace tunnels of Jinpin......
In terms of rock engineering and technology in hydropower construction,the slope stability and monitoring techniques for......
It is well known that the effect of air entrainment for cavitation damage controls is related not only to the air discha......
Acoustic emission monitoring of rockbursts during TBM-excavated headrace tunneling at Jinping Ⅱ hydr
To better understand the mechanical properties of marble at Jinping II hydropower station, this paper examines the chang......
The four diversion tunnels at Jinping Ⅱ hydropower station represent the deepest underground project yet conducted in C......
Road tunnel excavation often traverses coal strata, which is at risk of firedamp explosion that usually results in disas......
A series solution for surface motion amplification due to underground twin tunnels:incident SV waves
A series solution of displacement response of the ground surface in the presence of underground twin tunnelssubjected t......
给出了覆盖层厚度对巷道周围应力分布的影响及巷道间相互作用的计算机仿真 ,用三维有限元法分析了在不同覆盖层厚度下巷道周围的应......
an air cleaner employing pulse induced plasma chemical process to remove dust and carbon monoxide (CO) in road tunnels i......
1.Palau帕劳Palau is an island country.Palau is popular with divers and snorkelers.You must want to see its coraI reefs a......
In some cases coal measures, goaf, big caves, and huge faults, as well as high initial stress cannot be avoided in road ......
Effects of HNO_3 concentration on the pit morphologies of aluminum foil etched in HNO_3–HCl and HNO_
In this work,the effects of HNO_3 concentration on the pit morphologies of high-cubic-texture aluminum foil etched in HN......
论述了北欧海底隧道特别是基岩中开挖的公路隧道的工程经验,目前在北欧已建成25条以上的海底隧道,总长超过100km,大部分在挪威,最......
Risk identification and risk mitigation during metro station construction by enlarging shield tunnel
Constructing a metro station by enlarging shield tunnels combined with a mining/cut-and-cover method provides a new meth......
There exists frost damage in cold-region tunnels. The circumferential cracks affect the function of tunnels. Using three......
Researches on the key technology and equipment for rapid construction of long tunnels with large sec
Excavation and lining are two main important tasks in tunnel construction. Conventional sequential operations may not be......
Frictional contact algorithm study on the numerical simulation of large deformations in deep soft ro
There exist three types of nonlinear problems in large deformation processes of deep softrock engineering, i.e., nonline......
The unified solutions are presented for stresses and displacements around a circular tunnel subjected to a hydrostatic s......
During the excavation of three-parallel-hole tunnel, the tunnel might collapse due to over-stress as a result of inadequ......
Zonal disintegration phenomenon in enclosing rock mass surrounding deep tunnels—mechanism and discus
The mechanism of the zonal disintegration phenomenon(ZDP) was realized based on the analysis of the stressedstrained sta......
Zonal disintegration phenomenon in enclosing rock mass surrounding deep tunnels——Elasto-plastic anal
The zonal disintegration phenomenon (ZDP) is a typical phenomenon in deep block rock masses. In order to investigate the......
Montmorillonite is a kind of clay mineral which often causes large deformation in soft-rock tunnel engineering and thus ......
The mechanical effects of bolt-mesh-anchor coupling support in deep tunnels were studied by using a numerical method, ba......
Model test study of frost heaving pressures in tunnels excavated in fractured rock mass in cold regi
Based on the similarity theory, taking the horseshoe, city-gate and round linings as examples, the value and distributio......
Larvae of Apriona germari(Hope),found widely in China,cause serious damage to trees and are difficult to control.Since s......
