| 摘要 |
A modular form 10 includes form plates 20 in edge-to-edge contiguity, fasteners 24, 25 provided along adjacent longitudinal sides of the plates 10 to fasten releasably the form plates 10, reinforcement channel pieces 32, 33 attached detachably to the form plates along the transverse sides thereof, and trussed backing members 31 extending longitudinally between the channel pieces 32, 33, each of the trussed backing members 31 having two opposite joint ends which are detachably connected to the channel pieces 32, 33. |
