| 摘要 |
The invention concerns a reservation element for access. It relates to a reservation element comprising a base (16) and several layers (18, 19, 20, 21) which are bonded to one another, with a relatively low bonding strength which preferably decreases from the base towards the outside. In this way, the layers can be withdrawn, separately or together, so that the assembly has a thickness corresponding to the distance between a member (30) which is to be embedded in a concrete slab (26) and the surface thereof. Application to the access reservation for moulded accessories in concrete structures. <IMAGE>
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