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In contemporary practice manual embossing is quickly replaced by factory pre-cast moulds that can mass produce the same effect at a much faster and cheaper pace. The only manual embossing techniques that are still preferred are stamping, and embossing by abrasion. Both processes are conducted while the concrete is still setting where deformation of surface can be applied with simple tools and little force by the laborer. Deep embossing is uneconomical for it takes time and money and increase waste of concrete.
We observed that honey combing appeared at the bottom edge of the slab near the surface where doweling did not happen often and where vibrator did not reach, and that casting concrete on a sloped floor will affect the level of the concrete batch within the formwork.We learned that the direction in which the formwork is stripped will affect whether the edges of the slab will remain crisp and clean; triple quick pulses with the hammer drill in one spot will keep the chiselled effect within desired range and depth; insulating the concrete slab with the concrete floor is crucial for noise reduction, wrist pain, and complete destruction of slab. -
Type: research
Trajectory: academic work (collaborate_Arch 534 Reinforced Concrete_University of Michigan)Collaborator: Tzu-Hsiang LinInstructor: Harry GilesLocation: Ann Arbor, MI, USYear: 2015Client: N/AProgram: N/AStatus: mock-up -
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Fig 1_concrete panel casting & embossing process
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