Flat rod systems: optimization with overall stability control = Плоские стержневые системы: оптимизация с контролем общей устойчивости / I. N. Serpik, A. V. Alekseytsev, P. Yu. Balabin, N. S. Kurchenko. — 1 файл (1,19 Мб). — DOI 10.18720/MCE.76.16. — Текст: электронный // Инженерно-строительный журнал / Санкт-Петербургский политехнический университет Петра Великого. – 2017. – С. 181-192. — Загл. с титул. экрана. — Свободный доступ из сети Интернет (чтение, печать, копирование). — <URL:http://elib.spbstu.ru/dl/2/j18-477.pdf>.
|
Period
|
Read
|
Print
|
Copy
|
Open
|
Total
|
|
Year 2018
|
Quarter 4
|
December
|
5
|
0
|
3
|
0
|
8
|
|
Year 2019
|
Quarter 1
|
January
|
3
|
0
|
5
|
0
|
8
|
|
February
|
5
|
0
|
7
|
0
|
12
|
|
March
|
3
|
0
|
3
|
0
|
6
|
|
Quarter 2
|
April
|
2
|
0
|
3
|
0
|
5
|
|
May
|
3
|
0
|
3
|
0
|
6
|
|
June
|
2
|
0
|
4
|
0
|
6
|
|
Quarter 3
|
July
|
3
|
0
|
9
|
0
|
12
|
|
August
|
4
|
0
|
1
|
0
|
5
|
|
September
|
2
|
0
|
3
|
0
|
5
|
|
Quarter 4
|
October
|
1
|
0
|
1
|
0
|
2
|
|
November
|
0
|
0
|
2
|
0
|
2
|
|
December
|
1
|
0
|
3
|
0
|
4
|
|
Year 2020
|
Quarter 1
|
January
|
2
|
0
|
3
|
0
|
5
|
|
February
|
1
|
0
|
4
|
0
|
5
|
|
March
|
6
|
0
|
4
|
0
|
10
|
|
Quarter 2
|
April
|
6
|
0
|
0
|
0
|
6
|
|
May
|
3
|
0
|
0
|
0
|
3
|
|
June
|
5
|
0
|
0
|
0
|
5
|
|
Quarter 3
|
July
|
3
|
0
|
0
|
0
|
3
|
|
August
|
0
|
0
|
0
|
0
|
0
|
|
September
|
4
|
0
|
0
|
0
|
4
|
|
Quarter 4
|
October
|
3
|
0
|
0
|
0
|
3
|
|
November
|
2
|
0
|
9
|
0
|
11
|
|
December
|
5
|
0
|
8
|
0
|
13
|
|
Year 2021
|
Quarter 1
|
January
|
7
|
0
|
5
|
0
|
12
|
|
February
|
1
|
0
|
2
|
0
|
3
|
|
March
|
0
|
0
|
2
|
0
|
2
|
|
Quarter 2
|
April
|
0
|
0
|
2
|
0
|
2
|
|
May
|
2
|
0
|
3
|
0
|
5
|
|
June
|
9
|
0
|
4
|
0
|
13
|
|
Quarter 3
|
July
|
6
|
0
|
2
|
0
|
8
|
|
August
|
1
|
0
|
1
|
0
|
2
|
|
September
|
2
|
0
|
2
|
0
|
4
|
|
Quarter 4
|
October
|
1
|
0
|
5
|
0
|
6
|
|
November
|
0
|
0
|
5
|
0
|
5
|
|
December
|
1
|
0
|
3
|
0
|
4
|
|
Year 2022
|
Quarter 1
|
January
|
16
|
0
|
6
|
0
|
22
|
|
February
|
2
|
0
|
2
|
0
|
4
|
|
March
|
5
|
0
|
4
|
0
|
9
|
|
Quarter 2
|
April
|
2
|
0
|
0
|
0
|
2
|
|
May
|
0
|
0
|
0
|
0
|
0
|
|
June
|
4
|
0
|
4
|
0
|
8
|
|
Quarter 3
|
July
|
2
|
0
|
0
|
0
|
2
|
|
August
|
6
|
0
|
4
|
0
|
10
|
|
September
|
4
|
0
|
1
|
0
|
5
|
|
Quarter 4
|
October
|
4
|
0
|
4
|
0
|
8
|
|
November
|
6
|
0
|
2
|
0
|
8
|
|
December
|
4
|
0
|
3
|
0
|
7
|
|
Year 2023
|
Quarter 1
|
January
|
3
|
0
|
4
|
0
|
7
|
|
February
|
0
|
0
|
1
|
0
|
1
|
|
March
|
2
|
0
|
3
|
0
|
5
|
|
Quarter 2
|
April
|
4
|
0
|
3
|
0
|
7
|
|
May
|
1
|
0
|
1
|
0
|
2
|
|
June
|
3
|
0
|
2
|
0
|
5
|
|
Quarter 3
|
July
|
2
|
0
|
1
|
0
|
3
|
|
August
|
2
|
0
|
1
|
0
|
3
|
|
September
|
2
|
0
|
4
|
0
|
6
|
|
Quarter 4
|
October
|
3
|
0
|
5
|
0
|
8
|
|
November
|
1
|
0
|
4
|
0
|
5
|
|
December
|
2
|
0
|
2
|
0
|
4
|
|
Year 2024
|
Quarter 1
|
January
|
1
|
0
|
2
|
0
|
3
|
|
February
|
1
|
0
|
5
|
0
|
6
|
|
March
|
0
|
0
|
8
|
0
|
8
|
|
Quarter 2
|
April
|
2
|
0
|
4
|
0
|
6
|
|
Total
|
188
|
0
|
191
|
0
|
379
|
