[phpBB Debug] PHP Warning: in file [ROOT]/ext/tapatalk/tapatalk/event/main_listener.php on line 282: Undefined array key "app_rebranding_id"
[phpBB Debug] PHP Warning: in file [ROOT]/ext/tapatalk/tapatalk/event/main_listener.php on line 283: Undefined array key "app_url_scheme"
[phpBB Debug] PHP Warning: in file [ROOT]/ext/tapatalk/tapatalk/event/main_listener.php on line 284: Undefined array key "app_icon_url"
[phpBB Debug] PHP Warning: in file [ROOT]/ext/tapatalk/tapatalk/event/main_listener.php on line 285: Undefined array key "app_name"
[phpBB Debug] PHP Warning: in file [ROOT]/ext/tapatalk/tapatalk/event/main_listener.php on line 287: Undefined array key "app_alert_message"
[phpBB Debug] PHP Warning: in file [ROOT]/ext/tapatalk/tapatalk/event/main_listener.php on line 289: Undefined array key "app_android_id"
[phpBB Debug] PHP Warning: in file [ROOT]/ext/tapatalk/tapatalk/event/main_listener.php on line 290: Undefined array key "app_android_description"
[phpBB Debug] PHP Warning: in file [ROOT]/ext/tapatalk/tapatalk/event/main_listener.php on line 291: Undefined array key "app_banner_message_android"
[phpBB Debug] PHP Warning: in file [ROOT]/ext/tapatalk/tapatalk/event/main_listener.php on line 294: Undefined array key "app_ios_id"
[phpBB Debug] PHP Warning: in file [ROOT]/ext/tapatalk/tapatalk/event/main_listener.php on line 295: Undefined array key "app_ios_description"
[phpBB Debug] PHP Warning: in file [ROOT]/ext/tapatalk/tapatalk/event/main_listener.php on line 296: Undefined array key "app_banner_message_ios"
[phpBB Debug] PHP Warning: in file [ROOT]/includes/functions.php on line 4150: Cannot modify header information - headers already sent by (output started at [ROOT]/includes/functions.php:3035)
[phpBB Debug] PHP Warning: in file [ROOT]/includes/functions.php on line 4150: Cannot modify header information - headers already sent by (output started at [ROOT]/includes/functions.php:3035)
[phpBB Debug] PHP Warning: in file [ROOT]/includes/functions.php on line 4150: Cannot modify header information - headers already sent by (output started at [ROOT]/includes/functions.php:3035)
[phpBB Debug] PHP Warning: in file [ROOT]/includes/functions.php on line 4150: Cannot modify header information - headers already sent by (output started at [ROOT]/includes/functions.php:3035)
Foros Ingeniería Civil • informacion - caracteristicas particulares del PTR

Foros Ingeniería Civil

Comunidad y Foros de Ingenieria Civil, Ingeniería Estructural, Ingeniería Sísmica, Construcción, Hidráulica, Arquitectura
https://www.construaprende.com/foros/

informacion - caracteristicas particulares del PTR

https://www.construaprende.com/foros/viewtopic.php?t=6266

Página 1 de 1

informacion - caracteristicas particulares del PTR

Publicado: Vie Ago 15, 2008 11:03 am
por salvador magdaleno
quisiera saber las caracteristicas particulaes de lo PTR y tubolares, descrpcion y forma de fabricacion, normas de calida.

Re: informacion

Publicado: Mié Ago 20, 2008 12:50 am
por construaprende
Hola
En Mexico, segun el Manual del IMCA (Instituto Mexicano de la Construccion en Acero), el PTR seria el OR
Que es el Tubo Cuadrado y el Tubo Rectangular

Adjunto unas tablas

Saludos
Todos los horarios son UTC-06:00
Página 1 de 1

Desarrollado por phpBB® Forum Software © phpBB Limited

Traducción al español por phpBB España