|Table of Contents|

Stability of Thin Steel Plate Considering Stiffening and Opening(PDF)

《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

Issue:
2011年01期
Page:
58-63
Research Field:
Publishing date:
2011-03-20

Info

Title:
Stability of Thin Steel Plate Considering Stiffening and Opening
Author(s):
LI Chun-xia;  SONG Bo
School of Civil & Environment Engineering, University of Science & Technology Beijing, Beijing 100083, China
Keywords:
SCR reactor;  stability of structure;  stiffening plate;  rectangular plate with hole;  critical buckling eigenvalue
PACS:
TU392.4
DOI:
-
Abstract:
The static analysis of the whole structure containing flue, selective catalytic reduction(SCR)reactor and bracket was carried out by using finite element software ANSYS. Selecting the top plate and the holed wall-plate as the object of study, the influence of the stability on thin steel plate considering stiffening and large rectangular opening was respectively studied. Results show that the present design of stiffening rib can meet the requirements of stability for stiffening plate with one-side pressure. According to comparing the results based on the same area of section between L-stiffener and T-stiffener, L-stiffener has stronger restriction effect on the plate. Large rectangular opening changes stress distribution on the plate. The critical bucking eigenvalue is sharply reduced because of the hole and it is easy to appear unsteadiness phenomenon around the hole. But using stiffening rib around the hole can effectively prevent instability. Furthermore, the constraint capacity of L-stiffener on the plate is stronger than T-stiffener with the same area of section, and hole on the plate can cut down the bearing capacity of plate, but using stiffening rib around the hole can increase critical buckling eigenvalue.

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Last Update: 2011-03-20