ISSN 0536-101X (print)
ISSN 2618-7299 (online)
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Исследование точности передачи координат и высот на монтажные горизонты построением сети обратных линейно-угловых засечек

А.К. Зайцев, И.В. Горяинов, А.А. Шевчук

Страницы: 271-276

Аннотация. Описывается эксперимент по передаче координат и высот на этажи высотных зданий обратной линейно-угловой засечкой. Цепочка строится в прямом (снизу вверх) и в обратном (сверху вниз) направлениях. Анализируется точность такого построения и даются рекомендации по практическому применению данного способа создания геодезического обоснования на монтажных горизонтах при строительстве высотных сооружений.

Ключевые слова: высотное здание, монтажный горизонт, обратная линейно-угловая засечка, пленочный отража- тель, погрешность, полярная засечка, тригонометрическое нивелирование, электронный тахеометр, этаж, error, floor, free station, high building, high-level surveying

Investigation of accuracy of transmission of coordinates and heights on mounting horizons by construction of network of the resection

A.K. Zaitsev, I.V. Goryainov, A.A. Shevchuk

Pages: 271-276

Summary. The subject of the article is the estimation of the accuracy of length-angle resection in the transfer of coordinates and heights to the floors of high-rise buildings. At the beginning, the experiment was considered on the sixteen-story building of MIIGAiK, where the measurenments were made directly and back. The total stations of different firms (Leica, Trimble, Sokkia) were used. The stations were defined on four levels: on the ground floor, on the sixth, on the tenth and on the sixteenth floors (on balconies). Three points, fixed with stamps, served as base. Instruments were installed in the same carrier. The places of installation of the tripod did not coincide on the sixth, tenth and sixteenth floors. The article presents a precomputation estimation of accuracy in the CredoDat software, and a comparison of various characteristics is performed, such as: the accuracy estimate given by the instrument and the difference in coordinates obtained at the strokes directly and back. Finely, a comparative analysis of these characteristics is made for the points observed on the ground floor. The well-known conclusion that the best solution of the planned component of the length-angle resection is provided by the experimental method and has been confirmed experimentally with the number of points not less than three, of which two were close to the station and one was distant. Also, all the results obtained satisfy the necessary tolerances.

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