| 摘要 |
A roadway paving which may be formed in whole or in part, by the laying of a number of precast concrete segments (10), which have generally oblate top and bottom surfaces and cylindrical sides, in the densest possible packing upon a suitably prepared base and in association therewith a number of cast in situ star shaped, prismatic interlocking segments (16) which are formed by filling the interstices left between the precast segments with a concrete grout. |
