Monolithic Structures
A monolithic structure is something carved or cast from a single piece of a material. Most domed structures, like sports stadiums, are considered monolithic.
Usually (and literally, from the translation of monolith being "one stone") the material is stone, but it could equally be applied to a structure cut from a single block of metal, or cast in metal in a single piece.
The advice of the professional engineer experienced in pre-stressed work should be sought before any attempt is made to expose the tendons or anchorages of structures in which two or more members have been stressed together.
- It will usually be necessary to provide temporary supports so that the tendons and the anchorage can be cautiously exposed.
- Do not indiscriminately attempt to expose and destress the tendons and anchorages.
Progressively Pre-stressed Structures
In the case of progressively pre-stressed structures, it is essential to obtain the advice of a professional engineer, and to demolish the structure in strict accordance with the engineer's method of demolition. The stored energy in this type of structure is large. In some cases, the inherent properties of the stressed section may delay failure for some time, but the presence of these large pre-stressing forces may cause sudden and complete collapse with little warning.
Knowledge Check Choose the best answer for the question.
4-6. Whose advice should be sought before any attempt is made to expose the tendons or anchorages of structures in which two or more members have been stressed together?
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