Design and Assessment of a Lightweight Polymer Concrete Utility Manhole

Table 6

Simulation results for Utility Structure 1 and Utility Structure 2 with a wall thickness of 25 mm as a function of soil pressure.

Pressure (kPa)	5.5		82		160
Utility Structure	1	2	1	2	1	2
Maximum tensile stress σf (MPa)	0.6	0.6	9.7	9.7	19.0	19.0
Maximum compressive stress σc (MPa)	0.4	0.4	6.8	6.8	13.0	13.0
Maximum displacement (U) (mm)	0.15	0.5	2.3	9.2	4.5	18
Maximum strain (E) (mm/mm)	1.4E − 04	4.5E − 04	2.2E − 03	7.2E − 03	4.3E − 03	1.4E − 02