Influence of superplasticizers on the concrete mix properties = Влияние суперпластификаторов на свойства бетонной смеси / Yu. G. Barabanshchikov, S. V. Belyaeva, I. E. Arkhipov [et al.]. — 1 файл (1,26 Мб). — DOI 10.18720/MCE.74.11. — Текст: электронный // Инженерно-строительный журнал / Санкт-Петербургский политехнический университет Петра Великого. – 2017. – № 6 (74). — С. 140-146. — Загл. с титул. экрана. — Свободный доступ из сети Интернет (чтение, печать, копирование). — <URL:http://elib.spbstu.ru/dl/2/j18-439.pdf>.
|
Period
|
Read
|
Print
|
Copy
|
Open
|
Total
|
|
Year 2018
|
Quarter 4
|
December
|
11
|
0
|
6
|
0
|
17
|
|
Year 2019
|
Quarter 1
|
January
|
4
|
0
|
6
|
0
|
10
|
|
February
|
5
|
0
|
9
|
0
|
14
|
|
March
|
4
|
0
|
7
|
0
|
11
|
|
Quarter 2
|
April
|
3
|
0
|
6
|
0
|
9
|
|
May
|
5
|
0
|
3
|
0
|
8
|
|
June
|
3
|
0
|
4
|
0
|
7
|
|
Quarter 3
|
July
|
10
|
0
|
11
|
0
|
21
|
|
August
|
3
|
0
|
3
|
0
|
6
|
|
September
|
1
|
0
|
3
|
0
|
4
|
|
Quarter 4
|
October
|
2
|
0
|
2
|
0
|
4
|
|
November
|
0
|
0
|
2
|
0
|
2
|
|
December
|
0
|
0
|
3
|
0
|
3
|
|
Year 2020
|
Quarter 1
|
January
|
2
|
0
|
2
|
0
|
4
|
|
February
|
1
|
0
|
6
|
0
|
7
|
|
March
|
4
|
0
|
2
|
0
|
6
|
|
Quarter 2
|
April
|
8
|
0
|
0
|
0
|
8
|
|
May
|
1
|
0
|
0
|
0
|
1
|
|
June
|
1
|
0
|
0
|
0
|
1
|
|
Quarter 3
|
July
|
1
|
0
|
0
|
0
|
1
|
|
August
|
0
|
0
|
0
|
0
|
0
|
|
September
|
2
|
0
|
0
|
0
|
2
|
|
Quarter 4
|
October
|
4
|
0
|
0
|
0
|
4
|
|
November
|
4
|
0
|
10
|
0
|
14
|
|
December
|
0
|
0
|
6
|
0
|
6
|
|
Year 2021
|
Quarter 1
|
January
|
5
|
0
|
6
|
0
|
11
|
|
February
|
4
|
0
|
4
|
0
|
8
|
|
March
|
0
|
0
|
3
|
0
|
3
|
|
Quarter 2
|
April
|
3
|
0
|
1
|
0
|
4
|
|
May
|
2
|
0
|
5
|
0
|
7
|
|
June
|
8
|
0
|
3
|
0
|
11
|
|
Quarter 3
|
July
|
6
|
0
|
0
|
0
|
6
|
|
August
|
7
|
0
|
6
|
0
|
13
|
|
September
|
0
|
0
|
3
|
0
|
3
|
|
Quarter 4
|
October
|
2
|
0
|
5
|
0
|
7
|
|
November
|
2
|
0
|
2
|
0
|
4
|
|
December
|
0
|
0
|
4
|
0
|
4
|
|
Year 2022
|
Quarter 1
|
January
|
4
|
0
|
4
|
0
|
8
|
|
February
|
2
|
0
|
2
|
0
|
4
|
|
March
|
3
|
0
|
2
|
0
|
5
|
|
Quarter 2
|
April
|
0
|
0
|
0
|
0
|
0
|
|
May
|
0
|
0
|
4
|
0
|
4
|
|
June
|
0
|
0
|
1
|
0
|
1
|
|
Quarter 3
|
July
|
1
|
0
|
1
|
0
|
2
|
|
August
|
4
|
0
|
3
|
0
|
7
|
|
September
|
2
|
0
|
3
|
0
|
5
|
|
Quarter 4
|
October
|
2
|
0
|
1
|
0
|
3
|
|
November
|
8
|
0
|
0
|
0
|
8
|
|
December
|
3
|
0
|
4
|
0
|
7
|
|
Year 2023
|
Quarter 1
|
January
|
4
|
0
|
3
|
0
|
7
|
|
February
|
2
|
0
|
1
|
0
|
3
|
|
March
|
1
|
0
|
3
|
0
|
4
|
|
Quarter 2
|
April
|
3
|
0
|
2
|
0
|
5
|
|
May
|
4
|
0
|
1
|
0
|
5
|
|
June
|
2
|
0
|
0
|
0
|
2
|
|
Quarter 3
|
July
|
1
|
0
|
2
|
0
|
3
|
|
August
|
1
|
0
|
3
|
0
|
4
|
|
September
|
2
|
0
|
9
|
0
|
11
|
|
Quarter 4
|
October
|
3
|
0
|
3
|
0
|
6
|
|
November
|
4
|
0
|
3
|
0
|
7
|
|
December
|
3
|
0
|
1
|
0
|
4
|
|
Year 2024
|
Quarter 1
|
January
|
0
|
0
|
0
|
0
|
0
|
|
February
|
1
|
0
|
4
|
0
|
5
|
|
March
|
0
|
0
|
2
|
0
|
2
|
|
Quarter 2
|
April
|
5
|
0
|
4
|
0
|
9
|
|
May
|
4
|
0
|
5
|
0
|
9
|
|
Total
|
187
|
0
|
204
|
0
|
391
|
