Mixing water for concrete. Specification for sampling, testing and assessing the suitability of water, including water recovered from processes in the concrete industry, as mixing water for concrete

2015 ◽  
Keyword(s):  
Mixing Water

Influence of chemical composition of mixing water on the gelation of inorganic polymer technology for improved oil recovery

2017 ◽  
Vol 3 (3) ◽  
pp. 33-38 ◽  
Author(s):  
А.V. Аntuseva ◽  
Е.F. Kudina ◽  
G.G. Pechersky ◽  
Y.R. Kuskildina ◽  
А.V., Melgui ◽  
...  
Keyword(s):  
Chemical Composition ◽  
Oil Recovery ◽  
Inorganic Polymer ◽  
Improved Oil Recovery ◽  
Mixing Water

Corrosion of Rebar in Concrete Using Seawater as Mixing Water

2019 ◽  
Vol 68 (10) ◽  
pp. 284-287
Author(s):  
Toru Yamaji ◽  
Matsuho Miyasaka ◽  
Adel Husain
Keyword(s):  
Mixing Water

scholarly journals The use of mathematical modelling to analyse the process of mixing waters from different sources in water supply system

2018 ◽  
Vol 59 ◽  
pp. 00025
Author(s):  
Agnieszka Szuster – Janiaczyk ◽  
Rafał Brodziak ◽  
Jędrzej Bylka
Keyword(s):  
Mathematical Modeling ◽  
Water Quality ◽  
Quality Criteria ◽  
Supply System ◽  
Network Control ◽  
Quality Of Water ◽  
Water Mains ◽  
Different Sources ◽  
Mixing Water

One of the processes that significantly determines the quality of water to consumers is the process of mixing water from different sources in the water mains. Put to the network two or more chemically and biologically stable waters may result in the formation of water that will be deprived of these features. This article presents the german guidelines for analysing water quality for mixing waters from different sources, in various proportions. Then performed an analysis of utility the mathematical models,including quality criteria, for use in network control. An IT tool has been developed to manage selected water quality processes using mathematical modeling. The basis for implementing the tool was a network model created in Epanet integrated with the Matlab.

scholarly journals Effect of Hydrogen Nanobubbles on the Mechanical Strength and Watertightness of Cement Mixtures

Materials ◽  
2021 ◽  
Vol 14 (8) ◽  
pp. 1823
Author(s):  
Won-Kyung Kim ◽  
Young-Ho Kim ◽  
Gigwon Hong ◽  
Jong-Min Kim ◽  
Jung-Geun Han ◽  
...  
Keyword(s):  
Mercury Intrusion Porosimetry ◽  
Cement Mortar ◽  
Stable State ◽  
Pozzolanic Reaction ◽  
Hydration Reaction ◽  
High Concentration ◽  
Mercury Intrusion ◽  
Electron Microscope Analysis ◽  
Mixing Water ◽  
Cement Mixtures

This study analyzed the effects of applying highly concentrated hydrogen nanobubble water (HNBW) on the workability, durability, watertightness, and microstructure of cement mixtures. The number of hydrogen nanobubbles was concentrated twofold to a more stable state using osmosis. The compressive strength of the cement mortar for each curing day was improved by about 3.7–15.79%, compared to the specimen that used general water, when two concentrations of HNBW were used as the mixing water. The results of mercury intrusion porosimetry and a scanning electron microscope analysis of the cement paste showed that the pore volume of the specimen decreased by about 4.38–10.26%, thereby improving the watertightness when high-concentration HNBW was used. The improvement in strength and watertightness is a result of the reduction of the microbubbles’ particle size, and the increase in the zeta potential and surface tension, which activated the hydration reaction of the cement and accelerated the pozzolanic reaction.

Development of Mixture "Clay – Electro-Smelting Slag" for Ceramic Brick

2014 ◽  
Vol 682 ◽  
pp. 480-484 ◽  
Author(s):  
V.F. Torosyan ◽  
E.S. Torosyan
Keyword(s):  
Building Materials ◽  
Raw Materials ◽  
Ceramic Brick ◽  
Ceramic Samples ◽  
Manufactured Products ◽  
Smelting Slag ◽  
Compression Resistance ◽  
Mixing Water ◽  
Melting Slag

Industrial transition to a totally new level of resources and energy saving necessitates improving the technical level of building materials manufacturing, growing their raw materials base, the assortment, enhancing the quality of manufactured products, cutting their cost price. It requires, first of all, carrying out more detailed research in properties of clay and clay loams, and selecting optimal additives for pottery works. Such disadvantages of clays as burning sensitivity, low compression resistance and flexural strength in a burnt state, low frost resistance cause the impossibility of their application without corrective additives. It is quite difficult to find an additive which can solve all the technological problems mentioned above. This paper provides the development of mixture "clay – electro-melting slag" for ceramic brick, moreover, addition of a steel-smelting slag in the fusion mixture results in the change in mixing water content of ceramic masses, strength and coloration of ceramic samples.

‘This Romish business’ - Ritual Innovation and Parish Life in Later Nineteenth-Century Lincolnshire

1999 ◽  
Vol 35 ◽  
pp. 384-395
Author(s):  
R. W. Ambler
Keyword(s):  
Nineteenth Century ◽  
Church Of England ◽  
The State ◽  
Local Context ◽  
Holy Communion ◽  
Parish Church ◽  
The Relationship ◽  
The Church ◽  
Mixing Water

In February 1889 Edward King, Bishop of Lincoln, appeared before the court of the Archbishop of Canterbury charged with illegal practices in worship. The immediate occasion for these proceedings was the manner in which he celebrated Holy Communion at the Lincoln parish church of St Peter at Gowts on Sunday 4 December 1887. He was cited on six specific charges: the use of lighted candles on the altar; mixing water with the communion wine; adopting an eastward-facing position with his back to the congregation during the consecration; permitting the Agnus Dei to be sung after the consecration; making the sign of the cross at the absolution and benediction, and taking part in ablution by pouring water and wine into the chalice and paten after communion. Two Sundays later King had repeated some of these acts during a service at Lincoln Cathedral. As well as its intrinsic importance in defining the legality of the acts with which he was charged, the Bishop’s trial raised issues of considerable importance relating to the nature and exercise of authority within the Church of England and its relationship with the state. The acts for which King was tried had a further significance since the ways in which these and other innovations in worship were perceived, as well as the spirit in which they were ventured, also reflected the fundamental shifts which were taking place in the role of the Church of England at parish level in the second half of the nineteenth century. Their study in a local context such as Lincolnshire, part of King’s diocese, provides the opportunity to examine the relationship between changes in worship and developments in parish life in the period.

scholarly journals Modified Lime Binders for Restoration Work

Buildings ◽  
2021 ◽  
Vol 11 (3) ◽  
pp. 98
Author(s):  
Valentina Loganina ◽  
Kristina Sergeeva ◽  
Roman Fediuk ◽  
Sergey Klyuev ◽  
Nikolai Vatin ◽  
...  
Keyword(s):  
Storage Time ◽  
Infrared Spectrometry ◽  
X Ray Diffraction ◽  
X Ray ◽  
Gain Rate ◽  
Calcium Silicate Hydrates ◽  
Restoration Work ◽  
Weather Resistance ◽  
Kinetics Of ◽  
Mixing Water

Lime mixes are the primary material for restoration work in historic buildings. The research object of this study is modifying lime binders with specially synthesized calcium silicate hydrates (CSHs). This study aimed to improve lime render mixes’ weather resistance. The following factors were considered: the density of the liquid glass, the amount of the precipitating additive, the rate of introduction of the precipitating additive, the drying mode of the precipitate, and the storage time of the precipitate. The research methods were X-ray diffraction analysis, differential thermal analysis, Fourier transform infrared spectrometry, and optical and electron microscopy. It was revealed that lime compositions with CSH have a higher strength gain rate than the control compositions. A mathematical model of the kinetics of hardening a lime composite based on a binder filled with CSH was obtained. The regularities of the change in the lime composite’s strength depending on the filler grinding’s fineness, its content, and the amount of mixing water have been established. It was revealed that the introduction of CSH into the lime composition increases the weather resistance of facade lime mixtures by reducing the porosity and increasing the volume of closed pores of the composite.

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