Patent ID: 11939729
Assignee: IMPERIAL COLLEGE INNOVATIONS LIMITED
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 10:
11. A method of forming a cement-based material pad comprising a plurality of drainage holes, the method comprising:
providing a form comprising a plurality of parallel pins each having a shaft, a head and a pointed end; a connecting means configured to hold the plurality of pins parallel to each other, wherein the connecting means connects the head of each of the plurality of parallel pins; a plurality of straight conduits, each having an upper end and a lower end; wherein each conduit has a constant cross-section and receives one of the plurality of parallel pins such that the pointed ends of each of the plurality of parallel pins extend beyond the lower end of each conduit; whereby a cement-based material can be poured to surround the conduits;
placing said form; and
pouring a cement-based material into said form until the cement-based material surrounds the conduits, leaving the upper ends of the conduits exposed.