Results 11 to 20 of about 300,116 (255)

Mechanical stress induced electrical emissions in cement based materials [PDF]

open access: yes, 2009
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.This work deals with the underlying physical mechanisms and processes that dominate the fracture of cement based materials and their electrical properties ...
Kyriazopoulos, Antonios
core   +7 more sources

Equivalent Model Of Expansion Of Cement Mortar Under Sulphate Erosion [PDF]

open access: yes, 2008
The expansion property of cement mortar under the attack of sulfate ions is studied by experimental and theoretical methods. First, cement mortars are fabricated with the ratio of water to cement of 0.4, 0.6, and 0.8.
Zhu J   +3 more
core   +4 more sources

Effect of Carbon Nanotube Size on Electrical Properties of Cement Mortar under Different Temperatures and Water Content

open access: yesGeofluids, 2022
The effects of temperature and water content on the electrical conductivity of cement mortar with different sizes of carbon nanotubes were studied, and the effect of the size of carbon nanotubes on the electrical conductivity of cement mortar was ...
Yanwen Liu, Xu Cheng
doaj   +1 more source

Pozzolanic Activity Assessment of LUSI (LUmpur SIdoarjo) Mud in Semi High Volume Pozzolanic Mortar [PDF]

open access: yes, 2012
LUSI mud obtained from the mud volcano in Sidoarjo, Indonesia, is a viable aluminosilicate material to be utilized as pozzolanic material. LUSI is an abbreviation of the local name of the mud, i.e., Lumpur Sidoarjo, meaning Sidoarjo mud.
Gunadi M. Wibowo   +9 more
core   +1 more source

ON THE RATE OF HARDENING OF CEMENT AND CEMENT MORTARS. [PDF]

open access: yesMinutes of the Proceedings of the Institution of Civil Engineers, 1886
n ...
openaire   +2 more sources

Preparation of M15 cement mortar and its adsorption property as well as mechanism for Co2+

open access: yesHe jishu, 2021
BackgroundCement mortar is an essential building and barrier material for geological disposal repositories of radioactive waste. Therefore, it is of great significance to study the preparation of the cement mortar and its adsorption property and ...
YANG Gang   +5 more
doaj   +1 more source

Tritium radioactivity estimation in cement mortar by heat-extraction and liquid scintillation counting

open access: yesNuclear Engineering and Technology, 2021
Tritium extraction from radioactively contaminated cement mortar samples was performed using heating and liquid scintillation counting methods. Tritiated water molecules (HTO) can be present in contaminated water along with water molecules (H2O).
Ki Joon Kang   +2 more
doaj   +1 more source

Mechanical Properties and Microstructure of Polyvinyl Alcohol (PVA) Modified Cement Mortar

open access: yesApplied Sciences, 2019
The mechanical properties of cement mortars with 0~2.0% (by mass) polyvinyl alcohol (PVA) were experimentally studied, and the effects of PVA incorporation on the hydration products and microstructure of the cement mortar were determined with ...
Jie Fan   +3 more
doaj   +1 more source

Hardening Characteristics of Self-healing Cement Mortars [PDF]

open access: yesE3S Web of Conferences, 2021
In water conservancy and transportation engineering, self-healing cement has been widely used. This paper researches the optimal water-cement ratio of self-healing cement mortar to obtain the best basic performance, and on this basis, researches the ...
Ye Tong, Liu Zhuangzhaug, Li Lin
doaj   +1 more source

USES OF DRY VINASSE AS A FRIENDLY ENVIRONMENTAL MATERIAL TO IMPROVE PROPERTIES OF CEMENT MORTAR AND CONCRETE [PDF]

open access: yesJES: Journal of Engineering Sciences, 2020
This study aims at using the sugar by-product (dry vinasse), as one of the concrete production requirements, instead of getting rid of them in vain. Dry vinasse was obtained by drying liquid vinasse at 250 ° C.
A. Megahed Ahmed   +2 more
doaj   +1 more source

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