Results 21 to 30 of about 10,365,322 (346)
Fresh and Hardened Properties of Extrusion-Based 3D-Printed Cementitious Materials: A Review
Sustainability, 2020 3D-printing of cementitious materials is an innovative construction approach with which building elements can be constructed without the use of formwork.
Zhanzhao Li +9 more
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Preparation and evaluation of gypsum plaster composited with copper smelter slag
Cleaner Engineering and Technology, 2021 Copper smelter slag is a by-product of copper production at smelters. In this paper, the slag was combined with gypsum, and the physical properties and functionalities of the resulting composites were evaluated to explore new uses for copper smelter slag.
Masahide Hagiri, Kazufumi Honda
doaj +1 more source
Ultrasonic sound speed analysis of hydrating calcium sulphate hemihydrate \ud [PDF]
, 2011 This article focuses on the hydration, and\ud associated microstructure development, of b-hemihydrate\ud to dihydrate (gypsum). The sound velocity is used to\ud quantify the composition of the fresh slurry as well as the\ud hardening and hardened—porous ...
Brouwers, H.J.H., Korte, A.C.J. de
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Comparison of Different Aerogel Granules for Use as Aggregate in Concrete
Gels, 2023 In previous work of this group, a structural lightweight concrete was developed by embedding silica aerogel granules in a high-strength cement matrix.
Torsten Welsch +4 more
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Cement and Concrete Research, 2019 The technology of 3D Concrete Printing (3DCP) has progressed rapidly over the last years. With the aim to realize both buildings and civil works, the need for reliable mechanical properties of printed concrete grows.
R. Wolfs, F. Bos, T. Salet
semanticscholar +1 more source
Characterization of cement composites based on recycled cellulosic waste paper fibres
Open Engineering, 2018 Nowadays, there is paying an attention to the utilization of natural, renewable and biodegradable resources of raw materials of lignocellulosic character, residues from agricultural crops and wood processing as well as waste from papermaking industry in ...
Stevulova Nadezda +4 more
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Influence of laser hardening modes on the properties of 40X13 steel
Весці Нацыянальнай акадэміі навук Беларусі: Серыя фізіка-тэхнічных навук, 2023 We have studied the dependence of the characteristics, strength and plasticity, as well as the microhardness of specimens made of corrosion-resistant steel 40X13 on the modes of laser surface hardening by a fiber laser.
O. M. Mishchiruk +4 more
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AcousticsIn order to measure the depth profile of the heat-treated case-hardened layer of linear guides, this paper proposes a B-scan imaging and 3D visualization method for detecting the depth profile of the case-hardened layer of linear guides based on the ...
Peiqiang Chen +3 more
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Photonics, 2023 The main bearing of the shield machine has a huge structure and severe service conditions, which are prone to wear and fatigue damage. To improve the anti-wear and anti-fatigue ability of the raceway surface of the shield main bearing, laser ...
Peiyu He +5 more
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The effect of undrained heating on a fluid-saturated hardened cement paste [PDF]
, 2008 The effect of undrained heating on volume change and induced pore pressure increase is an important point to properly understand the behaviour and evaluate the integrity of an oil well cement sheath submitted to rapid temperature changes.
Ghabezloo, Siavash +2 more
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