Safety in Water Main Construction

1944 ◽  
Vol 36 (5) ◽  
pp. 542-545
Author(s):  
Fred Eitel
Keyword(s):  
Water Main ◽  
Main Construction

Specifications for Water Main Construction

1936 ◽  
Vol 28 (3) ◽  
pp. 356-360
Author(s):  
Albert R. Davis
Keyword(s):  
Water Main ◽  
Main Construction

Types of Pipe for Water Main Construction

1924 ◽  
Vol 11 (3) ◽  
pp. 564-571
Author(s):  
S. B. Morris
Keyword(s):  
Water Main ◽  
Main Construction

Quantification and Justification of Prudent Water Main Replacement Investment Levels

2016 ◽  
Vol 2016 (1) ◽  
pp. 271-280
Author(s):  
Derek Gardels ◽  
David Spencer ◽  
Erin Hunt ◽  
Steve Owen
Keyword(s):  
Water Main ◽  
Replacement Investment

Dimension-Descending Algorithm for Spherical Delaunay Triangulation

2011 ◽  
Vol 130-134 ◽  
pp. 2915-2919
Author(s):  
Ping Duan ◽  
Jia Tian Li ◽  
Jia Li
Keyword(s):  
Delaunay Triangulation ◽  
Time Complexity ◽  
Image Point ◽  
Spherical Space ◽  
Projected Image ◽  
Plane Image ◽  
Projection Center ◽  
Space Data ◽  
Construction Algorithms ◽  
Main Construction

Spherical Delaunay triangulation (SDT) which is a powerful tool to represent, organize and analyze spherical space data has become a focus of spherical GIS research. Projection stitching algorithm is one of the main construction algorithms of SDT. The basic idea of stitching algorithm is that the sphere is divided into two hemispheres to avoid projected image point coincidence. So, the practicality of projection stitching algorithm is lower because of merging two hemispheres. Aimed at the disadvantage of projection stitching algorithm, this paper puts forward a new algorithm to construct SDT used perspective projection principle. The projection center is placed on sphere to establish one-to-one mapping between spherical space points and plane image points. Experiment shows that the time complexity of our algorithm depends on Delaunay triangulation construction algorithm of the plane.

Establishing an Evaluation Matrix for Water Main Rehab

2010 ◽  
Author(s):  
Rafael Ortega ◽  
Joshua G. Metcalf
Keyword(s):  
Water Main ◽  
Evaluation Matrix
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