[en] Published in summary form only

[en] Published in summary form only

[en] The author talks about the importance of selection of reactor materials. Some nuclear characteristics are presented. (C.M.)

[en] The manipulator can be moved horizontally in the upper part of a reactor vessel. It has a sledge which can be moved horizontally and transversely, in which a rotating grab, which can move vertically, is situated. The parts surrounding the grab have a vertical slot. In order to have a good field of view in the reactor and to be able to move bulky parts into or out of the reactor, the horizontal sledge surrounding the grab is situated on a widened part of a turnable. (orig./HP)

No abstract available

No abstract available

[en] Automatic translation: This report is based on a doctoral lecture given on December 3, 1979. It reports on the physical and measurement-technical principles of fault and leak detection using acoustic emission analysis. Literature results are presented and the advantages and disadvantages of the method are discussed.

[en] Said invention relates to a removable bolt capable of being prestressed, intended for lid fastening on the vessels of the reactors of nuclear power plants. An easy compact, remote controlled system allows fast efficient locking and unlocking operations to be performed with this new type of bolt

No abstract available

[en] As the FOAK, HPR1000 is required to carry out the in-reactor measurement of flow induced vibration of reactor internals based on the regulation Comprehensive Vibration Assessment Program for Reactor Internals during Pre-operational and Start-up Testing (RG1.20). The evaluation shows that this will result in additional 2.7 mouths in the construction period in the critical path. In order to eliminate the effect of test-related work on the construction period, this paper proposes a feasible optimization scheme by analyzing the influencing factors, countermeasures, risks and the associated effects after taking these measures. The analysis results indicate that the effect of test-related work on the construction period (62 months) of FOAK project can be eliminated by adjusting the logic of critical path and duration optimization. (authors)