Гравит, Марина Викторовна. Конструктивные методы повышения огнестойкости несущих стальных конструкций [Электронный ресурс]: учебное пособие / М. В. Гравит, О. В. Недрышкин, М. В. Петроченко; Санкт-Петербургский политехнический университет Петра Великого, Инженерно-строительный институт, Кафедра «Строительство уникальных зданий и сооружений». — Электрон. текстовые дан. (1 файл : 2,24 МБ). — Санкт-Петербург, 2016. — Загл. с титул. экрана. — Свободный доступ из сети Интернет (чтение, печать, копирование). — Текстовый файл. — Adobe Acrobat Reader 7.0. — <URL:http://elib.spbstu.ru/dl/2/s16-152.pdf>. — <URL:http://doi.org/10.18720/SPBPU/2/s16-152>.
| Period | Read | Copy | Open | Total | |||
|---|---|---|---|---|---|---|---|
| Year 2016 | Quarter 3 | September | 10 | 0 | 8 | 0 | 18 |
| Quarter 4 | October | 12 | 0 | 5 | 0 | 17 | |
| November | 7 | 0 | 48 | 0 | 55 | ||
| December | 55 | 0 | 159 | 0 | 214 | ||
| Year 2017 | Quarter 1 | January | 9 | 0 | 43 | 0 | 52 |
| February | 2 | 0 | 8 | 0 | 10 | ||
| March | 7 | 0 | 28 | 0 | 35 | ||
| Quarter 2 | April | 6 | 0 | 34 | 0 | 40 | |
| May | 3 | 0 | 41 | 0 | 44 | ||
| June | 4 | 0 | 41 | 0 | 45 | ||
| Quarter 3 | July | 4 | 0 | 31 | 0 | 35 | |
| August | 4 | 0 | 49 | 0 | 53 | ||
| September | 0 | 0 | 44 | 0 | 44 | ||
| Quarter 4 | October | 5 | 0 | 67 | 0 | 72 | |
| November | 7 | 0 | 70 | 0 | 77 | ||
| December | 5 | 0 | 57 | 0 | 62 | ||
| Year 2018 | Quarter 1 | January | 13 | 0 | 66 | 0 | 79 |
| February | 14 | 0 | 60 | 0 | 74 | ||
| March | 13 | 0 | 64 | 0 | 77 | ||
| Quarter 2 | April | 2 | 0 | 53 | 0 | 55 | |
| May | 1 | 0 | 50 | 0 | 51 | ||
| June | 5 | 0 | 82 | 0 | 87 | ||
| Quarter 3 | July | 7 | 0 | 84 | 0 | 91 | |
| August | 5 | 0 | 92 | 0 | 97 | ||
| September | 4 | 0 | 86 | 0 | 90 | ||
| Quarter 4 | October | 2 | 0 | 60 | 0 | 62 | |
| November | 28 | 0 | 125 | 0 | 153 | ||
| December | 15 | 0 | 79 | 0 | 94 | ||
| Year 2019 | Quarter 1 | January | 6 | 0 | 54 | 0 | 60 |
| February | 5 | 0 | 42 | 0 | 47 | ||
| March | 8 | 0 | 33 | 0 | 41 | ||
| Quarter 2 | April | 3 | 0 | 35 | 0 | 38 | |
| May | 4 | 0 | 35 | 0 | 39 | ||
| June | 3 | 0 | 45 | 0 | 48 | ||
| Quarter 3 | July | 3 | 0 | 35 | 0 | 38 | |
| August | 3 | 0 | 24 | 0 | 27 | ||
| September | 4 | 0 | 43 | 0 | 47 | ||
| Quarter 4 | October | 5 | 0 | 49 | 0 | 54 | |
| November | 29 | 0 | 122 | 0 | 151 | ||
| December | 42 | 0 | 103 | 0 | 145 | ||
| Year 2020 | Quarter 1 | January | 11 | 0 | 27 | 0 | 38 |
| February | 7 | 0 | 26 | 0 | 33 | ||
| March | 17 | 0 | 16 | 0 | 33 | ||
| Quarter 2 | April | 9 | 0 | 1 | 0 | 10 | |
| May | 16 | 0 | 1 | 0 | 17 | ||
| June | 10 | 0 | 1 | 0 | 11 | ||
| Quarter 3 | July | 7 | 0 | 0 | 0 | 7 | |
| August | 8 | 0 | 0 | 0 | 8 | ||
| September | 8 | 0 | 0 | 0 | 8 | ||
| Quarter 4 | October | 7 | 0 | 2 | 0 | 9 | |
| November | 139 | 0 | 78 | 0 | 217 | ||
| December | 34 | 1 | 28 | 0 | 63 | ||
| Year 2021 | Quarter 1 | January | 15 | 0 | 41 | 0 | 56 |
| February | 11 | 0 | 44 | 0 | 55 | ||
| March | 26 | 0 | 52 | 0 | 78 | ||
| Quarter 2 | April | 8 | 0 | 62 | 0 | 70 | |
| May | 12 | 0 | 34 | 0 | 46 | ||
| June | 5 | 0 | 73 | 0 | 78 | ||
| Quarter 3 | July | 11 | 0 | 148 | 0 | 159 | |
| August | 6 | 0 | 226 | 0 | 232 | ||
| September | 12 | 0 | 112 | 0 | 124 | ||
| Quarter 4 | October | 15 | 0 | 117 | 0 | 132 | |
| November | 129 | 3 | 143 | 0 | 275 | ||
| December | 43 | 0 | 45 | 0 | 88 | ||
| Year 2022 | Quarter 1 | January | 7 | 0 | 47 | 0 | 54 |
| February | 22 | 0 | 38 | 0 | 60 | ||
| March | 13 | 0 | 34 | 0 | 47 | ||
| Quarter 2 | April | 10 | 0 | 39 | 0 | 49 | |
| May | 14 | 0 | 35 | 0 | 49 | ||
| June | 8 | 0 | 46 | 0 | 54 | ||
| Quarter 3 | July | 12 | 0 | 23 | 0 | 35 | |
| August | 7 | 0 | 40 | 0 | 47 | ||
| September | 8 | 0 | 38 | 0 | 46 | ||
| Quarter 4 | October | 57 | 0 | 61 | 0 | 118 | |
| November | 98 | 0 | 74 | 0 | 172 | ||
| December | 18 | 0 | 60 | 0 | 78 | ||
| Year 2023 | Quarter 1 | January | 6 | 0 | 49 | 0 | 55 |
| February | 4 | 0 | 71 | 0 | 75 | ||
| March | 6 | 0 | 63 | 0 | 69 | ||
| Quarter 2 | April | 8 | 0 | 50 | 0 | 58 | |
| May | 8 | 0 | 61 | 0 | 69 | ||
| June | 3 | 0 | 46 | 0 | 49 | ||
| Quarter 3 | July | 6 | 0 | 46 | 0 | 52 | |
| August | 7 | 0 | 59 | 0 | 66 | ||
| September | 5 | 0 | 45 | 0 | 50 | ||
| Quarter 4 | October | 9 | 0 | 54 | 0 | 63 | |
| November | 11 | 0 | 48 | 0 | 59 | ||
| December | 6 | 0 | 47 | 0 | 53 | ||
| Year 2024 | Quarter 1 | January | 7 | 0 | 49 | 0 | 56 |
| February | 1 | 0 | 56 | 0 | 57 | ||
| March | 4 | 0 | 72 | 0 | 76 | ||
| Quarter 2 | April | 8 | 0 | 63 | 0 | 71 | |
| May | 4 | 0 | 56 | 0 | 60 | ||
| June | 7 | 0 | 42 | 0 | 49 | ||
| Quarter 3 | July | 7 | 0 | 47 | 0 | 54 | |
| August | 5 | 0 | 19 | 0 | 24 | ||
| September | 8 | 0 | 30 | 0 | 38 | ||
| Quarter 4 | October | 3 | 0 | 22 | 0 | 25 | |
| Total | 1,337 | 4 | 5,161 | 0 | 6,502 | ||