Research Article

Study on Creep Mechanical Properties of Non-Water Reacting Polyurethane Grouting Material

Figure 4

Curves of axial strain with time for the polyurethane grouting material. (a) Different density conditions. (b) Density = 0.408 g/cm3. (c) Density = 0.567 g/cm3.
(a)
(b)
(c)