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(FEM) Model Analysis of Joint Behavior
$5.00
(FEM) Model Analysis of Joint Behavior
There has been insufficient theoretical verification of joint buckling during microtunnelling execution over acute curves, so accurate evaluation of pipe yield strength is difficult, and it is important to develop pipe materials and set execution manageme
[Details...]

(GIS for) CCTV Data into Prioritized Rehab
$5.00
(GIS for) CCTV Data into Prioritized Rehab
New Orleans, the largest city in Louisiana, is located near the mouth of the Mmississippi River on the Gult coast. Most of the city lies below sea level and is protected by a system of natural and man-made levees. The city's average annual rainfall of
[Details...]

1-MN-320 Emergency Sliplining Project
$5.00
1-MN-320 Emergency Sliplining Project
A new Minnesota Twins stadium, the Northstar Commuter Rail and an extension of the Hiawatha LRT are all being constructed on the same site in Minneapolis. Below this area is one of the oldest sanitary sewers in the Metropolitan Council Environmental Servi
[Details...]

10 years of experience
$5.00
10 years of experience
Last year our company WOMBAT celebrated the tenth anniversary of its foundation. Over such a relatively short period, the company has won considerable reputation in the Czech market as well as abroad. On the occasion of this jubilee, let us look back at t
[Details...]

10 Years of Experience
$5.00
10 Years of Experience
Describes the operations of Czech company WOMBAT in various CIPP projects in The Czech Republic, Hungary and Poland The company also operates specialist cleaning and spot repair systems
[Details...]

20 Years in Pressure Pipe Relining
$5.00
20 Years in Pressure Pipe Relining
After a brief presentation of the company (localisation and background), this paper introduced the principle of the Norditube Rehabilitation Process focusing on the cured in place (CIPP) relining system. The first part of the paper, defines what are the T
[Details...]

27,500 Feet of Microtunneling in Sacramento
$5.00
27,500 Feet of Microtunneling in Sacramento
This paper presents a case history of the design and continuing construction of 27,500 feet of 24- and 36-inch clay sewer pipe by microtunneling. Gravity sewer installation by microtunneling was selected to avoid the construction and life cycle costs of a
[Details...]

3-D FEM analysis of sharp curved pipe jacking
$5.00
3-D FEM analysis of sharp curved pipe jacking
Due to the rapid urban development in recent years, there are more and more trenchless underground pipeline constructions in Taiwan area. For a curved pipeline alignment, an intermediate shaft becomes necessary. This could be very difficult, such as turni
[Details...]

3-D Pipe Sewer Inspection Systems
$5.00
3-D Pipe Sewer Inspection Systems
This paper presents preliminary results of the evaluation of a prototype sewer inspection system developed by the Trenchless Technology Center at Louisiana Tech University. The system uses computer vision techniques to obtain quantative data on the three-
[Details...]

380 kv Through 8 Drillings
$5.00
380 kv Through 8 Drillings
Electricity is self evident, it is a condition for every day-life! Due to an increase in consumption of electricity the high voltage grid in the western part of the Netherlands needs to be modified. A part of this modification was the installation of two
[Details...]

3rd Generation Microtunnelling � Innovations And Trends
$5.00
3rd Generation Microtunnelling � Innovations And Trends
The year 2007 was a turning point in the history of humankind. For the first time, more people now live in metropolitan areas than in the countryside. The resulting demand for more space leads to huge challenges in upholding the quality of life on the sur
[Details...]

84-in Storm Sewer Rehabilitation
$5.00
84-in Storm Sewer Rehabilitation
This paper is a case study of large diameter sewer pipe rehabilitation using chemical grouting and sliplining methods. Specifically, the paper describes a pilot grouting program to demonstrate the effectiveness of chemical grouting in sealing cracks with
[Details...]

A 24-Inch Forcemain in Sarasota
$5.00
A 24-Inch Forcemain in Sarasota
This paper discusses lessons learned on several recent horizontal directional drilling projects in Sarasota County Florida. The projects include installation of 1100 LF of 12-inch HDPE by HDD, 700 LF of 36-inch HDPE and 7000 LF of 18 and 24-inch HDPE in s
[Details...]

A Case Study from Albuquerque
$5.00
A Case Study from Albuquerque
In North America, the Telecommunications Act of 1996 made the access network available to numerous, entrepreneurial competitors. The demand for bandwidth was not only growing at unprecedented rates, but was exhausting capacities of the existing networks.
[Details...]

A case study of groundwater pollution
$5.00
A case study of groundwater pollution
The site is an industrial area located in Central Italy with problem of contact between shallow aquifer (very close to ground surface) and sewer lines of the plant. Before starting with remediation activity, a technical and cost evaluation plan was develo
[Details...]

A Case Study of Sanitary Sewer Construction
$5.00
A Case Study of Sanitary Sewer Construction
The City of San Jose operates a 300 million gallons per day (MGD) sanitary sewer interceptor system that serves not only San José, but also a few of the neighboring Cities. The interceptor system is located in the northern part of the City, proximate to
[Details...]

A Case Study of Tunneling Through Tulare Hill
$5.00
A Case Study of Tunneling Through Tulare Hill
The City of San Jose sanitary sewer system consists of approximately 2,000 miles (322 km) of sewer mains ranging in size from 6-inches (150 mm) to 90-inches (2290 mm) in diameter. To increase sewer capacity to serve the planned developments in the Citys G
[Details...]

A Fundamental Study on the Reduction of Friction During Sewer Pi
$5.00
A Fundamental Study on the Reduction of Friction During Sewer Pi
Construction of utility pipelines under roads has been shifting from conventional opencut to non-opencut methods in Japan due to busy traffic, excavation depth, vibration/noise, and environmental problems. This has also been promoted by improvements in t
[Details...]

A Global Approach for Urban Buried Sewers
$5.00
A Global Approach for Urban Buried Sewers
A safety factor principle is not sufficient alone to analyze safety reserves in buried pipes because of the variation of the phenomena acting on the behavior of the pipe sewers. In this paper a semi-probabilistic approach to diagnose urban sewers is detai
[Details...]

A Holistic Approach to Sewer Rehab
$5.00
A Holistic Approach to Sewer Rehab
The City of Edmonton has a total of 4758 kilometers of sanitary, storm and combined sewers with the average age of these sewers being 28 years, 31 years and 56 years. As these sewers age a sewer rehabilitation work plan becomes mandatory not only for main
[Details...]




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