Glossary entry (derived from question below)
Portuguese term or phrase:
armadura positiva e negativa
English translation:
positive & negative reinforcement
Portuguese term
Brazil
Certified in Engineering and Law.
Native in: Portuguese (Variant: Brazilian) 
Works in: Portuguese to English, English to Portuguese
armadura positiva e negativa
| 3 | positive & negative reinforcement |
Mario Freitas
|
| 4 | bottom reinforcement / top reinforcement |
Mario Freitas
|
| 3 | tensile steel and compression steel |
Martin Riordan
|
Proposed translations
Brazil
32 years engineering/law/contracts
Native in: English (Variant: US) , Portuguese (Variant: Brazilian) 
Works in: English to Portuguese, Portuguese to English
positive & negative reinforcement
Negative & positive reinforcement:
http://www.most.gov.mm/techuni/media/CE04014_QA.pdf
http://books.google.com.br/books?id=6g1fu4pRDCkC&pg=PA1051&l...
http://books.google.com.br/books?id=qdsufl6tSV8C&pg=PA271&lp...
http://books.google.com.br/books?id=C0LdkLJlahQC&pg=PA164&lp...
Brazil
32 years engineering/law/contracts
Native in: English (Variant: US) , Portuguese (Variant: Brazilian)
Works in: English to Portuguese, Portuguese to English
bottom reinforcement / top reinforcement
| Faz sentido, amigo. |
Brazil
Brazilian lawyer - 40+ years in Brazil
Native in: English (Variants: British, UK, Irish, US, Australian, Canadian, New Zealand, Scottish) , Portuguese (Variants: Brazilian, Mozambican, Angolan, European/Portugal)
Works in: Portuguese to English, English to Portuguese, English, and 1 more.
tensile steel and compression steel
A singly reinforced beam is one in which the concrete element is only reinforced near the tensile face and the reinforcement, called tension steel, is designed to resist the tension.
A doubly reinforced beam is one in which besides the tensile reinforcement the concrete element is also reinforced near the compressive face to help the concrete resist compression. The latter reinforcement is called compression steel.
| Entendi o seu raciocínio, mas pelo que aprendi a armadura negativa ela também é destinada a resistir à tração, mas à tração causada por momento fletor negativo, daí o nome armadura negativa. Ou seja, em vez da viga sofre flexão para baixo, ela sofre para cima. Mas existe sim armaduras para resistir à compressão, como as usadas em pilares. Ei, estou aguardando você aqui, lembre que em novembro estarei fora da cidade. |
| Desculpe os erros, estou no celular. |
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