A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Resistance of the fastening to concrete under repeated loading
This paper deals with the problem of the resistance of the fastening of steel to concrete. The brief information about the results of experimental research programme concentrated to the post-installed steel anchors is presented in this paper. For experiments concrete specimens of the size of 500 x 400 x 300 mm have been used. The cube concrete strength (on the cubes of 150 mm) of specimen bodies was in the range of 20-40 MPa and the effective anchor depth was in the range of 50-60 mm. For the anchor bolts the steel grade of 8.8 have been used. Test specimens were loaded until to the failure. The corresponding number of cycles, behind the amplitude as one of determining parameters of the strength for repeated loading, was ascertained. If the specimen body did not failure after 2 millions loading cycles, the cyclic loading was finished and the force was increased monotonic until to the failure. The resistances obtained from the tests for cyclic loading have been compared with the resistances obtained from the tests for static loading. The ultimate tension forces obtained from experiments have been evaluated using the statistical methods, eventually using the procedure for the determination of the characteristic and design values of the resistance according to EC 1.
Resistance of the fastening to concrete under repeated loading
This paper deals with the problem of the resistance of the fastening of steel to concrete. The brief information about the results of experimental research programme concentrated to the post-installed steel anchors is presented in this paper. For experiments concrete specimens of the size of 500 x 400 x 300 mm have been used. The cube concrete strength (on the cubes of 150 mm) of specimen bodies was in the range of 20-40 MPa and the effective anchor depth was in the range of 50-60 mm. For the anchor bolts the steel grade of 8.8 have been used. Test specimens were loaded until to the failure. The corresponding number of cycles, behind the amplitude as one of determining parameters of the strength for repeated loading, was ascertained. If the specimen body did not failure after 2 millions loading cycles, the cyclic loading was finished and the force was increased monotonic until to the failure. The resistances obtained from the tests for cyclic loading have been compared with the resistances obtained from the tests for static loading. The ultimate tension forces obtained from experiments have been evaluated using the statistical methods, eventually using the procedure for the determination of the characteristic and design values of the resistance according to EC 1.
Resistance of the fastening to concrete under repeated loading
Karmazinova, Marcela (author)
2005
16 Seiten, 6 Bilder, 1 Tabelle, 10 Quellen
Conference paper
English
Resistance of the fastening to concrete under repeated loading
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