搜索结果: 1-15 共查到“Tunnel”相关记录103条 . 查询时间(0.062 秒)
钢纤维补强能够极大提升混凝土结构物的耐久性能，非常适用于长寿命，高耐久性，并且供用环境腐蚀条件苛刻，磨耗严重的都市深层排水隧道衬砌混凝土。依据有关钢纤维补强混凝土结构的国际混凝土结构联合会制订的模型代码：fib model code 2010，以及欧洲的相关技术规范，结合伦敦的深层排水隧道：Lee Tunnel的具体工程实例，对如何应用钢纤维补强技术在盾构隧道衬砌混凝土管片，以及现场浇筑二次衬砌自...
Terraformer wind tunnel takes hazards engineering research to a new level
Terraformer wind tunnel hazards engineering research
2017/3/14
Wind engineer and 13th generation Floridian Forrest Masters knows how to ride out a hurricane. In fact, hurricanes have become his life's work. With support from the National Science Foundation (...
2017年世界隧道会议（World Tunnel Congress 2017）
2017年 世界 隧道 会议
2017/2/14
国际隧道协会订于2017年6月9-15日在挪威(Norway)卑尔根(Bergen)举行世界隧道会议暨年会(World Tunnel Congress 2017 & 43th ITA General Assembly)，其中包含研讨会、教育训练与工程参访。本次会议主题为“Surface Challenges – underground solutions”。
Rational permeability coefficient of a permeable lining for composite tunnel lining structures
tunneling engineering deeply-buried tunnel composite lining structure concrete permeable lining grouting circle parameter permeability coefficient reasonable value
2018/5/11
Various factors influence the tunneling are simplified considering the axial symmetry of the composite lining structure. The analytical expressions for the seepage field，stress，and displacement in the...
CONTINUOUS MAPPING OF TUNNEL WALLS IN A GNSS-DENIED ENVIRONMENT
Tunnel mapping image mosaicking image bridging visual odometry GNSS-denied
2016/7/27
The need for reliable systems for capturing precise detail in tunnels has increased as the number of tunnels (e.g., for cars and trucks, trains, subways, mining and other infrastructure) has increased...
TUNNEL POINT CLOUD FILTERING METHOD BASED ON ELLIPTIC CYLINDRICAL MODEL
Elliptic Cylindrical Model Point Cloud Filtering Tunnel Central Axis Non-points Regional Segmentation
2016/7/5
The large number of bolts and screws that attached to the subway shield ring plates, along with the great amount of accessories of metal stents and electrical equipments mounted on the tunnel walls, m...
SPATIAL KNOWLEDGE CONSTRUCTION FOR THE FIRE ACCIDENT PROCESS OF THE LONG ROAD TUNNEL
Long Road Tunnel Fire Disaster Spatial Knowledge Ontology
2015/12/28
There are many kinds of public transportation systems, e.g. Xue-shan tunnel, high-speed railway, and airport shuttle are developed in Taiwan recently. The risk hidden in the space of long road tunnel ...
Development of Cross Section Management System in Tunnel Using Terrestrial Laser Scanning Technique
Terrestrial Laser Scanning Technique Cross Section Management System in Tunnel
2015/12/16
Laser scanning technology with high positional accuracy and high density will be widely applied in vast range of fields including
geomatics. Especially, the development of laser scanning technology e...
Terrestrial Laser Scanning for the Deformation Monitoring of the Thermal Pipeline Traversed Subway Tunnel Engineering
Laser Scanning Monitoring Modeling,
2015/12/16
As a kind of modern vehicle, more and more subway lines appear in order to meet the need of urban transportation. Abuilding
Beijing subway line 10 is traversed by a thermal pipeline in China. To ensu...
Implementation of a Customized GIS-based Tool for Tunnel Construction Sites Management
Geographical information science Object-oriented data model Computer Vision
2015/12/3
The geographic information system (GIS) approach has been extensively used for spatial modeling in a variety of application areas in different engineering and non engineering fields. GIS’ graphical en...
Deformation analysis of a bored tunnel by means of terrestrial laserscanning
Terrestrial laser scanning point cloud modeling tunnel deformation detection
2015/8/24
A procedure is developed, implemented and tested to detect deformations in a bored tunnel. Deformations can occur after construction of the tunnel is nished, i.e. between two measurement epochs, but a...
ACCURACY ANALYSIS OF THE LEICA HDS3000 AND FEASIBILITY OF TUNNEL DEFORMATION MONITORING
terrestrial laser scanning accuracy analysis change detection
2015/8/13
Deformation monitoring with total stations, while superior in accuracy, suffers from the poor spatial resolution obtainable by this
measurement method within the limited time on a tunnel construction...
Centrifuge model test on the face stability of shallow tunnel
Centrifuge modeling Digital image correlation Face stability Shallow tunnel
2015/7/1
This paper is an investigation of face stability on a small-scale tunnel model in a geotechnical centrifuge. By making use of symmetry, half of the tunnel cross section was considered. The support at ...
Operational Experience with and Improvements to a Tunnel-in-the-Sky Display for Light Aircraft
Operational Experience Improvements Tunnel-in-the-Sky Display Light Aircraft
2015/6/29
A prototype GPS-based primary flight display has been developed at Stanford and is being used to evaluate operational issues through piloted simulation and flight testing. The display makes flying by ...
Tunnel-in-the-Sky Cockpit Display for Complex Remote Sensing Flight Trajectories
Tunnel-in-the-Sky Cockpit Complex Remote Sensing Flight Trajectories
2015/6/29
Three-dimensional flight displays can increase the efficiency of remote sensing flight operations by providing enhanced guidance and situational awareness on straight and curved flight paths. Such a d...