Numerical and experimental investigation on seismically damaged reinforced concrete wall panels retrofitted with FRP composites

2015 ◽  
Vol 119 ◽  
pp. 648-665 ◽  
Author(s):  
C. Todut ◽  
D. Dan ◽  
V. Stoian
Keyword(s):  
Experimental Investigation ◽  
Reinforced Concrete ◽  
Concrete Wall ◽  
Frp Composites ◽  
Wall Panels ◽  
Reinforced Concrete Wall

Bamboo reinforced concrete wall panels under one way in-plane action

2018 ◽  
Vol 22 (2) ◽  
pp. 1475-1488 ◽  
Author(s):  
N. Ganesan ◽  
P. V. Indira ◽  
P. R. Himasree
Keyword(s):  
Reinforced Concrete ◽  
Concrete Wall ◽  
Wall Panels ◽  
Reinforced Concrete Wall

Experimental study and numerical model calibration of full-scale superimposed reinforced concrete walls with I-shaped cross sections

2016 ◽  
Vol 19 (12) ◽  
pp. 1902-1916 ◽  
Author(s):  
Xun Chong ◽  
Linlin Xie ◽  
Xianguo Ye ◽  
Qing Jiang ◽  
Decai Wang
Keyword(s):  
Experimental Data ◽  
Reinforced Concrete ◽  
Numerical Model ◽  
Seismic Performance ◽  
Cross Sections ◽  
Concrete Wall ◽  
Concrete Walls ◽  
Reinforced Concrete Walls ◽  
Wall Panels ◽  
Reinforced Concrete Wall

The superimposed reinforced concrete wall in which both the walls and slabs are semi-precast superimposed reinforced concrete components has been widely used to construct high-rise residential buildings in some seismic regions of China. This article aims to investigate the seismic performance and reveal the inherent damage mechanism of this wall. Quasi-static tests of two full-scale superimposed reinforced concrete walls with I-shaped cross sections, consisting of the walls in orthogonal directions and two T-shaped cast-in-place boundary elements, were conducted. Through the test, the behavior of the horizontal joints between the wall panels and the foundation; the behavior of the vertical connections between the wall panels of orthogonal direction; the reliability of the connections between precast and cast-in-place concrete; and the lateral load, deformation, and energy dissipation capacities of the specimens are evaluated. In addition, a refined numerical model based on the multi-spring model was adopted to assess the seismic performance of the superimposed reinforced concrete walls with I-shaped cross sections. The reliability of this model was validated through comparison with the experimental data. This study offers valuable experimental data and numerical model references for future seismic performance assessments of superimposed reinforced concrete wall structures.

scholarly journals DAMAGE TO REINFORCED CONCRETE PANELS PRODUCTION BUILDINGS

2021 ◽  
Vol 9 (2) ◽  
pp. 66-70
Author(s):  
Timofey Krakhmalnyy ◽  
Sergej Evtushenko
Keyword(s):  
Reinforced Concrete ◽  
Sandwich Panels ◽  
Automated System ◽  
Design Solution ◽  
Project Implementation ◽  
Concrete Wall ◽  
Concrete Panels ◽  
Wall Panels ◽  
Reinforced Concrete Wall ◽  
The Creation

The article continues the cycle of work on the creation of an automated system for monitor-ing defects and damages. In this article, the defects and damage of prefabricated reinforced concrete wall panels are systematized, recommendations are given for assessing the tech-nical condition of the panels, recommendations for repair, and a unique scheme for replac-ing inoperative wall panels with sandwich panels is considered. The design solution for the replacement of wall panels was supplemented with drawings, as well as photographs of the installation process and the results of the project implementation.

Strengthening strategies using FRP composites for precast RC wall panels with cut-out openings

2011 ◽  
Vol 2 (1) ◽  
pp. 19-24
Author(s):  
I. Demeter ◽  
T. Nagy-Gyögy ◽  
V. Stoian ◽  
C. Dăescu ◽  
D. Dan
Keyword(s):  
Seismic Retrofitting ◽  
Direct Access ◽  
Building Structures ◽  
Concrete Wall ◽  
Interior Space ◽  
Frp Composites ◽  
Wall Panels ◽  
Externally Bonded ◽  
Reinforced Concrete Wall ◽  
Dense Distribution

Abstract Building structures using Precast Reinforced Concrete Wall Panels (PRCWP) are widely used in Romania. An important disadvantage of these buildings is the functional rigidity of the interior space due to the dense distribution of the load bearing walls. Cut-out openings are often required to facilitate direct access from outside or between adjacent apartments. This paper presents a part of research program regarding the effectiveness of using the Externally Bonded Carbon Fiber Reinforced Polymer (CFRP-EBR) composites as seismic retrofitting solution for PRCWPs weakened by cut-out openings. The discussion was focused on the strengthening strategies adopted for both narrow and wide door openings.

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