2025 Volume 31 Issue 79 Pages 1331-1336
To further understand structural performance of unbonded PCaPC walls, experimental investigations with different ratio of wall-height to wall-depth and tendon arrangement, from the previous test, were conducted. Showing rigid-body rotation behavior, even when the wall-depth increased, the walls had great superiority, such as high residual strength and almost origin-oriented resilience characteristics. When tendons were partially fixed, shear cracks tended to increase, but the maximum residual crack width remained less than 0.1 mm. The simplified estimation method of maximum strength was also proposed, based on the iterative method by the author. Simplified calculations showed good agreement with iterative calculations and experiments.
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