Zobrazeno 1 - 10
of 131
pro vyhledávání: '"ЦЕМЕНТНЫЙ КАМЕНЬ"'
Autor:
Ruslan Ibragimov, Evgeny Korolev
Publikováno v:
Academia: Архитектура и строительство, Iss 4 (2023)
В статье представлены результаты исследований влияния природы суперпластификаторов на фазовый состав цементного камня, твердевшего 1
Externí odkaz:
https://doaj.org/article/fe1feb27d13744848838578b4d22c40b
Publikováno v:
Вестник Северо-Кавказского федерального университета, Vol 0, Iss 1, Pp 69-74 (2022)
When dealing with wells that have a destroyed bed well bottom zone it is useful to fill the caverns with grouting mortar, which, when hardens, makes an artificial manifold with due force and permeability. The item offers a description of a mechanism
Externí odkaz:
https://doaj.org/article/e6ad873842014ce4a4201acad846ce74
Publikováno v:
Вестник Северо-Кавказского федерального университета, Vol 0, Iss 4, Pp 23-27 (2022)
In the article, as reflected in the cement hydration contraction effect negatively affects the insulating capacity of the cement ring.The expansion agents are put into the cement for the elimination of the contraction. The authors discusses the influ
Externí odkaz:
https://doaj.org/article/9623520bcb984fad96c73d616e7ab8a9
Autor:
Alla A. Pereima
Publikováno v:
Вестник Северо-Кавказского федерального университета, Vol 0, Iss 6, Pp 61-68 (2022)
When operated long-term, wells for underground gas storage in rock-salt show corrosive wear in the casings, as well as disturbed insulating capacity in the annulus, which results in need for repair works. The article contains description of the proce
Externí odkaz:
https://doaj.org/article/e39d499cc25746d5b069c4fc34dff05c
Publikováno v:
Вестник Северо-Кавказского федерального университета, Vol 0, Iss 5, Pp 27-32 (2022)
The article examines the influence of basalt and polypropylene fibre to deformation properties of ce- ment stone are examined. Key words: cement stone, disperced reinforcement, basalt fibre, polypropylene fibre, fracture strength, fragility, deformat
Externí odkaz:
https://doaj.org/article/c1a873cf60d046c99d78aaf4192407e1
Autor:
S. S. Inozemtsev, E. V. Korolev
Publikováno v:
Вестник СибАДИ, Vol 56, Iss 4-5(56-57), Pp 77-84 (2017)
В работе представлены результаты исследований по определению влияния дисперсий цементного камня с различной степенью гидратации в кач
Externí odkaz:
https://doaj.org/article/3e8d053fd0294d9493edb99ea82362bb
Autor:
V. A. Khomich, O. I. Krivonos
Publikováno v:
Вестник СибАДИ, Vol 0, Iss 5(45), Pp 99-105 (2017)
The data on obtaining active mineral additives from sapropelic raw materials while their burning at 850 … 900оС and afterpowdering are presented in the article. Properties of paste matrix with sapropel ashes were studied and the mechanism of sapr
Externí odkaz:
https://doaj.org/article/187d241983284f3c9f289cace1cdc21e
Publikováno v:
Вестник СибАДИ, Vol 0, Iss 1(41), Pp 61-67 (2017)
The article dwells on the efficiency of manufacturing construction materials on the basis of vegetative and mineral compositions - peat. The raw materials base allows to consider the development of their production as one of the major directions in d
Externí odkaz:
https://doaj.org/article/d516fed1fbf740598d92c90d9d7b4e7a
Autor:
B. S. Lesovik, R. S. Fedyuk
Publikováno v:
Вестник СибАДИ, Vol 0, Iss 1(47), Pp 65-72 (2017)
The paper deals with the development of composite binders to produce concrete with improved characteristics of gas, water and water vapor permeability. The processes of formation of composite materials in order of decreasing scale levels from the mac
Externí odkaz:
https://doaj.org/article/160ede718a4d49a5a3c45cd9d8ef1384
Publikováno v:
Вестник СибАДИ, Vol 0, Iss 4(50), Pp 114-120 (2017)
Use of the nanodimensional modifier on the basis of the evils of hydroremoval of Omsk combined heat and power plant in a cement stone is presented in article and its physicomechanical properties are defined. The cement stone with use of nanodisperse
Externí odkaz:
https://doaj.org/article/3892983ab0ca44e5bcca8280e60e15f1