2.2.4.4 . Processing the results of levelling measurements of precise levelling | |
networks |
431 |
2.2.5 . Precise geodetic network of diameter 2 of Sofia Metropolitan – extension | |
after James Bourchier metro station |
432 |
2.2.5.1 . General information |
432 |
1 . GNSS reference network |
432 |
1.1 . Stabilization |
434 |
1.2 . Measurement and calculation |
434 |
1.3 . Adjustment and transformation of the reference geodetic network |
435 |
2 . Precise angle-distance geodetic network |
435 |
2.1 . Measurement of the precise angle-distance geodetic network |
436 |
2.2 . Adjustment of the precise angle-distance geodetic network |
438 |
2.3 . Adjustment of the precise levelling network |
438 |
2.3 . NETWORK OF THE THIRD METRO DIAMETER |
438 |
2.3.1 . General data |
438 |
2.3.2 . Project implementation |
439 |
2.3.2.1 . Stabilization , numbering and designation of points |
439 |
2.3.2.2 . Reference geodetic network GNSS1 |
440 |
1 . General data for the network |
440 |
2 . Measurement and calculation of GNSS1 |
441 |
3 . Measurement and transformation of GNSS1 |
441 |
2.3.2.3 . Reference geodetic network GNSS2 |
441 |
1 . General data for the network |
441 |
2 . Measurement |
442 |
3 . Adjustment and transformation of the GNSS2 Reference geodetic | |
network |
442 |
4 . Precise angle-distance and height geodetic network |
442 |
4.1 . Data , measurement and adjustment of the precise angle-distance network | |
442 | |
4.2 . Measurement and adjustment of the precise height geodetic network |
442 |
2.4 . Geodetic networks for the extension and branching of the metro alignments |
443 |
3.5.3.5 . TRACING AND CONTROL PROJECTS |
444 |
1 . Composing relevant projects for tracing and control |
444 |
2 . Project for study of metropolitan deformations |
444 |
3.5.3.6 . TRACING AND CONTROL IN THE METROPOLITAN CONSTRUCTION 445 | |
1 . General |
445 |
2 . Tracing and control for the different methods of tunnelling |
445 |
2.1 . Tracing and control in the open method of cutting – foundation pit |
445 |
2.2 . Tracing and control in the Milan method by means of spline walls |
447 |
2.3 . Tracing and control in the new and modified Austrian method |
450 |
2.3.1 . General information |
450 |
2.3.2 . Precise geodetic network of the surface |
451 |
2.3.3 . Tracing and control |
451 |
2.4 . Tracing and control in the shield method of tunnelling and in the construction | |
of the metro structure |
453 |
2.4.1 . General data |
453 |
2.4.2 . Tracing and control in driving the tunnel drilling machine |
454 |
2.4.3 . Tracing and control of the progress of the tunnel drilling machine in the | |
first diameter of Sofia Metropolitan |
454 |
2.4.3.1 . Robotized geodetic system |
454 |