Investigation of Bursting Stress and Spalling Stress in Post-tensioned Anchorage Zones

International Journal of Concrete Structures and Materials

Table 2 Stress components calculated by shear difference method.

Node	Section AB			Section CD			Section MN
Node	\(m\) (order)	\(\alpha\) (°)	\(\tau_{AB}\)(kPa/order)	\(m\) (order)	\(\alpha\)(°)	\(\tau_{AB}\)(kPa/order)	\(\sigma_{x}\) (kPa)	\(\sigma_{y}\) (kPa)	\(\tau_{xy}\) (kPa)
0	0.26	3.8	0.02	0.76	1.88	0.02	0.0	− 24.1	0.0
1	0.58	10.9	0.11	0.88	8.0	0.12	0.3	− 29.1	− 0.2
2	0.92	16.5	0.25	1.12	9.9	0.19	1.2	− 35.3	− 0.6
3	1.38	16.7	0.38	1.75	12.9	0.38	2.3	− 46.4	− 1.3
4	1.61	16.7	0.44	1.83	14.2	0.43	4.2	− 49.4	− 2.1
5	1.78	15.3	0.45	2.01	12.2	0.41	6.9	− 58.4	− 2.7
6	1.98	13.7	0.45	2.24	9.8	0.37	9.2	− 66.1	− 3.2
7	2.28	10.2	0.40	2.49	7.4	0.32	12.3	− 74.5	− 3.3
8	2.51	7.2	0.31	2.66	4.6	0.21	15.8	− 81.0	− 2.7
9	2.69	4.1	0.19	2.75	3.2	0.15	18.4	− 87.1	− 1.6
10	2.76	0.0	0.00	2.83	0.0	0.00	19.0	− 87.8	0.0

Note: the values are for “at the location of 0.5 h below the loading plate in the concentric anchorage zone with a/h = 0.1”