Question
Download Solution PDFWhich of the following is a disadvantage in the case of Freyssinet system of post tensioning?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
Advantages of the Freyssinet system:
- Securing wires is not an expensive process.
- The required force for stretching the wires can be obtained very quickly.
- The plugs if placed in the concrete then it do not project beyond the ends of the member.
Disadvantage of the Freyssinet system:
- All the wires of cable should be stretched together in this system and therefore the stresses in the wires developed may not be exactly the same.
- The greatest stretching force which is applied in the range of 250 kN to 500 kN and this may not sufficient in many cases.
- The jack arrangements used in the system are very heavy and expensive, therefore practical difficulties are associated with it.
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