|Table of Contents|

Damage stiffness assessment method based on fracture characteristics of PC simply-supported beam(PDF)

长安大学学报（自然科学版）[ISSN:1006-6977/CN:61-1281/TN]

Issue:
2011年04期
Page:
39-44
Research Field:
Publishing date:
2011-08-20

Info

Title:
Damage stiffness assessment method based on fracture characteristics of PC simply-supported beam
Author(s):
ZHAO Yu1; 2;  ZHOU Bo1;  HE Shuan-hai1;  GE Yao-jun2
1. School of Highway, Chang'an University, Xi'an 710064, Shaanxi, China; 2. Department of Bridge Engineering, Tongji University, Shanghai 200092, China
Keywords:
bridge engineering;  prestressed concrete beam;  damage stiffness;  section analysis;  statistical cracking characteristic
PACS:
U448.217;U441.4
DOI:
-
Abstract:
In order to study the evaluation method of structural performance of PC beam after cracking and deformation, an iteration method of section equilibrium and an expression of damage bending rigidity are put forward with the section numerical analysis and material nonlinearity an- alysis based on fracture characteristics of PC simply-supported beam. The damage stiffness analysis method of PC simply-supported beam is presented. According to the model test, the results show that, once the section is cracked, the bending rigidity will decline accompanied by the increasing deformation, and the load-displacement curve in test is consistent with the one in using theoretical method. 2 tabs, 9 figs, 9 refs.

References:

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Last Update: 2011-08-20