Research Article

Design and Assessment of a Lightweight Polymer Concrete Utility Manhole

Table 4

Formulation compositions in mass.

 Fine sandCoarse sandQuartzPelletsHollow glass microspheresResin system
EpoxyHardener

 wt.%
Formulation 118.555.46.20014.85.2
Formulation 200062.417.614.85.2