Test of a Post-Tensioned Concrete Masonry Wall

10.14359/7611 ◽  
1967 ◽  
Vol 64 (12) ◽  
Keyword(s):  
Masonry Wall ◽  
Concrete Masonry ◽  
Post Tensioned

In-plane flexural strength of unbonded post-tensioned concrete masonry walls

2017 ◽  
Vol 136 ◽  
pp. 245-260 ◽  
Author(s):  
Reza Hassanli ◽  
Mohamed A. ElGawady ◽  
Julie E. Mills
Keyword(s):  
Flexural Strength ◽  
Masonry Walls ◽  
Concrete Masonry ◽  
Concrete Masonry Walls ◽  
Post Tensioned

Innovative seismic design of a post-tensioned concrete masonry houseThis article is one of a selection of papers published in this Special Issue on Masonry.

2007 ◽  
Vol 34 (11) ◽  
pp. 1393-1402 ◽  
Author(s):  
Gavin D. Wight ◽  
Jason M. Ingham ◽  
Andrew R. Wilton
Keyword(s):  
Seismic Design ◽  
Masonry Walls ◽  
Special Issue ◽  
Innovative Design ◽  
Concrete Masonry ◽  
Limited Application ◽  
House Design ◽  
The University ◽  
Selection Of ◽  
Post Tensioned

Post-tensioned concrete masonry walls provide improved seismic performance, but have had limited application in seismic regions because of a lack of research pertaining to their in-plane response. Following focused research over recent years, a consortium of product suppliers has collaborated with the University of Auckland to construct New Zealand’s first post-tensioned concrete masonry house. A feature of this innovative design was that all incorporated products were commercially available, with no proprietary products being specifically developed for the prestressed masonry system used. Consequently, it is hoped that this house will be a showcase, and provide exposure for the technology in New Zealand and elsewhere. This paper provides a brief review of previous post-tensioned concrete masonry research applications, then discusses post-tensioning details and their application to house design and construction.

Flexural behavior of ungrouted post-tensioned concrete masonry beams with unbonded bars

2019 ◽  
Vol 203 ◽  
pp. 210-221
Author(s):  
John M. García ◽  
Ricardo L. Bonett ◽  
Arturo E. Schultz ◽  
Julian Carrillo ◽  
Christian Ledezma
Keyword(s):  
Flexural Behavior ◽  
Concrete Masonry ◽  
Post Tensioned

scholarly journals Bending Behaviour of Post-tensioned Interlocking Block Masonry Wall

2018 ◽  
Vol 203 ◽  
pp. 06023
Author(s):  
Zakaria Che Muda ◽  
Sivakumar Naganthan ◽  
Vicki Balaiah Balasingam ◽  
Salmia Beddu ◽  
Siti Nabihah Sadon
Keyword(s):  
Environmental Quality ◽  
Production Cost ◽  
Failure Modes ◽  
Masonry Wall ◽  
Brick Masonry ◽  
House Construction ◽  
Fired Bricks ◽  
Bending Behaviour ◽  
Post Tensioned

Interlocking soil blocks are on of modern techniques of house construction due to its durability. The use of these blocks fits suitably within the production cost and environmental quality as an alternative to fired bricks. This paper reports the result investigation done on walls made using interlocking soil blocks. Three types of walls with different combination of reinforcements were tested. The performance is assessed in terms of cracking patterns, failure modes and load-deflection characteristic. Results show that the ductility of all walls are good and wall with post-tensioned bars performed the best. The post tensioned walls are able to deflect up to 42% without any failure compare to non pre stressed wall. The walls with combination of reinforcement and post –tensioned systems are more ductile compare to walls with reinforcement only. It is concluded, post-tensioned wall developed using interlocking soil blocks can be used in reinforced and post-tensioned masonry application instead of conventional brick masonry.

Analysis of safety of slender concrete masonry walls in relation to CSA S304-14

2019 ◽  
Vol 46 (5) ◽  
pp. 424-438
Author(s):  
Andrea C. Isfeld ◽  
Anna Louisa Müller ◽  
Mark Hagel ◽  
Nigel G. Shrive
Keyword(s):  
Concrete Block ◽  
Masonry Wall ◽  
Masonry Walls ◽  
Effective Height ◽  
Design Standard ◽  
Euler Buckling ◽  
Concrete Masonry ◽  
Reinforced Masonry ◽  
Out Of Plane ◽  
Support Conditions

The Canadian masonry design standard appears to be overly conservative in determining the capacity of concrete block walls with slenderness ratios greater than 30. When assessing the potential for buckling of a masonry wall according to Euler buckling criteria, the effective height is determined in part from the end supports. In Euler theory only pinned, fixed and free support conditions are considered, and the Canadian standard considers the support conditions to be hinged, elastic or stiff. For a partially reinforced masonry wall a true hinged base support is expected to be difficult to achieve, as the width of the concrete block restrains rotation. The effect of the base support conditions on the deflected shape of partially grouted block walls was investigated under axial and out-of-plane loading. The results of this testing were compared with calculations based on the Canadian masonry standard. It becomes clear that the standard is overly conservative in many cases and the design of slender walls needs to be re-examined.

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