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What type of conductors are approved for underground use?
For underground use, conductors typically approved include insulated copper and aluminum wires, which are often rated for direct burial. Common types are THHN/THWN, USE (Underground Service Entrance), and UF (Underground Feeder) cable, designed to withstand moisture and soil conditions. Additionally, armored cables may be used for extra protection. Always ensure compliance with local electrical codes and standards.
Did the union army use the underground railroad to transport supplies?
no because if the union army knew about the underground railroad back the it wouldn't be a very succesful operation.
Summary of the movie race to freedom the underground railroad?
In the 1994 TV movie, Race to Freedom: The Underground Railroad, slaves use the underground railroad to gain their freedom. It takes place before the start of the Civil War and stars Alfre Woodward as Harriet Tubman.
Was the Underground Railroad underground?
No it is known as the underground railroad as it was hidden from sight
What is meant by underground?
1: Underground
What is a common use of level beams?
Lintels
What is prestressed?
prestress
What has the author Martin J Gutzwiller written?
Martin J. Gutzwiller has written: 'Use of precast, prestressed concrete for bridge decks' -- subject(s): Bridges, Floors, Precast concrete, Prestressed concrete, Testing
What has the author Shu-t'ien Li written?
Shu-t'ien Li has written: 'Optimum prestress, matrix analysis, and ultimate-strength design of prestressed concrete pier-, trestle-, and jetty bent piles' -- subject(s): Prestressed concrete construction, Prestressed concrete, Concrete piling 'Optimum prestress, analysis, and ultimatestrength design of prestressed concrete combined bearing and sheet piles' -- subject(s): Prestressed concrete construction, Prestressed concrete, Concrete piling 'Optimum prestress, analysis, and ultimate-strength design of prestressed concrete pile caissons' -- subject(s): Concrete piling, Prestressed concrete, Caissons
What has the author Gayle E Albritton written?
Gayle E. Albritton has written: 'Prestressed concrete highway pavement' -- subject(s): Evaluation, Pavements, Prestressed concrete, Prestressed concrete Pavements, Roads
What type of lintels are suitable for use when building an outhouse?
If you are wanting to use lintels when building your outhouse the choices are endless depending on how you want to design the outhouse. If you want it simple then stone would be appropriate but if you want something more attractive then old stone or brickwork would be nice.
Why it is need to use high strength concrete in prestressed concrete?
to offer high resistance in tansion,shear and bond
How much do lintels cost?
The cost of lintels can vary significantly based on the material, size, and type. Generally, steel lintels range from $1 to $5 per linear foot, while concrete lintels may cost between $2 to $10 per foot. Precast or specialized lintels can be more expensive, sometimes exceeding $20 per foot. It's best to consult local suppliers for precise pricing based on your specific needs.
Where is the available technalagy of prestressed concrete?
there is none
What has the author Arthur H Nilson written?
Arthur H. Nilson has written: 'Design of prestressed concrete' -- subject(s): Prestressed concrete construction
What has the author Miloslav Tochacek written?
Miloslav Tochacek has written: 'Limit states design of prestressed steel structures' -- subject(s): Prestressed steel construction
What has the author Martin E Moss written?
Martin E. Moss has written: 'Prestressed concrete durability & corrosion' -- subject(s): Prestressed concrete, Testing
