Results 21 to 30 of about 1,937,707 (280)

Influence of different loads on the properties of lightweight composite

open access: yesJournal of Civil Engineering and Management, 2012
The paper describes the study on the operational properties of lightweight composite with density of 150–350 kg/m3. It was established that these properties depend on the ratio of porous cement matrix and inclusions of crushed expanded polystyrene ...
Modestas Kligys   +4 more
doaj   +1 more source

Tailoring the Electrical Energy Storage Capability of Dielectric Polymer Nanocomposites via Engineering of the Host–Guest Interface by Phosphonic Acids

open access: yesMolecules, 2022
Polymer nanocomposites have attracted broad attention in the area of dielectric and energy storage. However, the electrical and chemical performance mismatch between inorganic nanoparticles and polymer leads to interfacial incompatibility. In this study,
Shaojing Wang   +6 more
doaj   +1 more source

Moisture Accumulation and Its Impact on the Thermal Performance of Pipe Insulation for Chilled Water Pipes in High Performance Buildings [PDF]

open access: yes, 2012
Mechanical pipe insulation systems are commonly applied to cold piping surfaces in most industrial and commercial buildings in order to limit the heat losses and prevent water vapor condensation on the pipe exterior surfaces.
Cremaschi, Lorenzo   +2 more
core   +1 more source

Annual assessment of highway traffic noise using two channel short-term measurements

open access: yesTransport, 2014
Research has shown that for residential area nearby (up to 50 m) exurbia roads, there are cases where the evaluation of noise impact needs more than using the calculation methods alone.
Aleksandras Jagniatinskis   +2 more
doaj   +1 more source

The effect of expanded glass and polystyrene waste on the properties of lightweight aggregate concrete

open access: yesEngineering Structures and Technologies, 2016
The main objective of this study is to create a lightweight aggregate concrete (LWAC) with a low thermal conductivity coefficient using expanded glass (EG) aggregate, produced from waste glass or crushed expanded polystyrene waste, obtained by crushing ...
Jurga Šeputytė-Jucikė   +1 more
doaj   +1 more source

Dielectric Manipulated Charge Dynamics in Contact Electrification

open access: yesResearch, 2022
Surface charge density has been demonstrated to be significantly impacted by the dielectric properties of tribomaterials. However, the ambiguous physical mechanism of dielectric manipulated charge behavior still restricts the construction of high ...
Kunming Shi   +6 more
doaj   +1 more source

Development and investigation of thermal insulation from hemp-polylactide fibres

open access: yesEngineering Structures and Technologies, 2016
In the last two decades intensive grow of industry of building materials from renewable resources is observed. Such situation is related to some aspects: global warming, environmental pollution, impact on human health, environmental impact of materials ...
Rūta Stapulionienė   +3 more
doaj   +1 more source

An engineering approach to modelling of dynamic insulation using ESP-r [PDF]

open access: yes, 2003
The use of Dynamic Insulation (DI) can enable recovery of conduction heat loss through a building envelope. This is an active process that allows air to move through the fabric against the temperature gradient.
Imbabi, M. S.   +3 more
core   +4 more sources

Effect of different pozzolana on hardening process and properties of hydraulic binder based on natural anhydrite

open access: yesJournal of Civil Engineering and Management, 2012
The study deals with peculiarities of hydration and development of hardening structure as well as durability properties pertaining to composite anhydrite cement pozzolana binder (ACP) with different pozzolana (P).
Jadvyga Žvironaitė   +3 more
doaj   +1 more source

Vacuum insulation panels (VIPs) for building construction industry: a review of the contemporary developments and future directions [PDF]

open access: yes, 2011
Demand for energy efficient buildings has increased drastically in recent years and this trend will continue in the future. Insulating building elements will play a key role in meeting this demand by reducing heat losses through the building fabric ...
M.C. Limbachiya   +11 more
core   +1 more source

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