Yes you can... to bridge drains which run through your foundations. make sure you have 150mm bearing onto the blockwork on each side of the lintel.
no because if the union army knew about the underground railroad back the it wouldn't be a very succesful operation.
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.
No it is known as the underground railroad as it was hidden from sight
1: Underground
She did not choose to be a slave she was kidnapped and did not know where she was
Lintels
prestress
Martin J. Gutzwiller has written: 'Use of precast, prestressed concrete for bridge decks' -- subject(s): Bridges, Floors, Precast concrete, Prestressed concrete, Testing
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
Gayle E. Albritton has written: 'Prestressed concrete highway pavement' -- subject(s): Evaluation, Pavements, Prestressed concrete, Prestressed concrete Pavements, Roads
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.
to offer high resistance in tansion,shear and bond
there is none
Arthur H. Nilson has written: 'Design of prestressed concrete' -- subject(s): Prestressed concrete construction
Martin E. Moss has written: 'Prestressed concrete durability & corrosion' -- subject(s): Prestressed concrete, Testing
Miloslav Tochacek has written: 'Limit states design of prestressed steel structures' -- subject(s): Prestressed steel construction
Neil D. Cable has written: 'New concepts in prestressed concrete pavement' -- subject- s -: Prestressed concrete Pavements