A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The invention relates to a method for shortening the curing time of a retard-bonded prestressed tendon. A self-temperature limiting electric heating tape at self-temperature limiting heating temperature of 60 DEG C is wound on the outer wall of a plastic sleeve of the retard-bonded prestressed tendon, one end of the self-temperature limiting electric heating tape is insulated, and the other end of the self-temperature limiting electric heating tape is connected with a 220 V power supply; after the retard-bonded prestressed tendon is stretched, the self-temperature limiting electric heating tape is electrified and heated, so as to heat a retard bonding agent to 60 DEG C, and the heating time is determined according to the curing degree required by the retard bonding agent. According to the method, the self-temperature limiting electric heating tape is utilized to heat the retard bonding agent at constant temperature, so that the curing time of the retard-bonded prestressed tendon can be shortened to the maximum, and the engineering construction requirement is satisfied; the method has the advantages of simple structure and simplicity and convenience in use and operation and can be used on any construction site, a structure is not damaged, and the stretching pot life of the retard-bonded prestressed tendon is not influenced.
The invention relates to a method for shortening the curing time of a retard-bonded prestressed tendon. A self-temperature limiting electric heating tape at self-temperature limiting heating temperature of 60 DEG C is wound on the outer wall of a plastic sleeve of the retard-bonded prestressed tendon, one end of the self-temperature limiting electric heating tape is insulated, and the other end of the self-temperature limiting electric heating tape is connected with a 220 V power supply; after the retard-bonded prestressed tendon is stretched, the self-temperature limiting electric heating tape is electrified and heated, so as to heat a retard bonding agent to 60 DEG C, and the heating time is determined according to the curing degree required by the retard bonding agent. According to the method, the self-temperature limiting electric heating tape is utilized to heat the retard bonding agent at constant temperature, so that the curing time of the retard-bonded prestressed tendon can be shortened to the maximum, and the engineering construction requirement is satisfied; the method has the advantages of simple structure and simplicity and convenience in use and operation and can be used on any construction site, a structure is not damaged, and the stretching pot life of the retard-bonded prestressed tendon is not influenced.
Method for shortening curing time of retard-bonded prestressed tendon
LIU LIN (author)
2015-08-12
Patent
Electronic Resource
English
Retard-bonded prestressed tendon supporting and positioning device
| European Patent Office | 2024
High-weather-resistance retard-bonded prestressed tendon for external structure
| European Patent Office | 2024
High-temperature-resistant retard-bonded prestressed tendon and preparation method thereof
| European Patent Office | 2021
Retard-bonded prestressed tendon tensioning and heating device and heating method
| European Patent Office | 2021
Construction method of retard-bonded prestressed uplift pile
| European Patent Office | 2023