Results 21 to 30 of about 260,308 (356)

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

Impact Sound Insulation of Thermally Insulated Balconies

open access: yesINTER-NOISE and NOISE-CON Congress and Conference Proceedings, 2022
AbstractWith the increasing urban densification, balconies are gaining in popularity as they improve the living quality in homes. From a technical point of view, the thermal insulation between balconies and the building’s façade is state of the art. In Germany, the most popular balcony construction is a reinforced concrete balcony, separated from the ...
L HEIDEMANN, J SCHECK, B ZEITLER
openaire   +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

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

Dimensionally stable water-blown polyurethane foam extended with bio-based propylene glycol and modified with paper waste sludge

open access: yesEngineering Structures and Technologies, 2017
Paper waste sludge (PWS) is the main and the greatest by-product in paper production process, and its elimination as well as destruction is a primary environmental problem.
Agnė Kairytė   +2 more
doaj   +1 more source

Core-shell structured silk Fibroin/PVDF piezoelectric nanofibers for energy harvesting and self-powered sensing

open access: yesNano Materials Science, 2022
The development of wearable and portable electronics calls for flexible piezoelectric materials to fabricate self-powered devices. However, a big challenge in piezoelectric material design is to boost the output performance while ensuring its flexibility
Siqi Wang   +6 more
doaj   +1 more source

Energy, cost, and CO 2 emission comparison between radiant wall panel systems and radiator systems

open access: yes, 2012
The main goal of this paper is to evaluate the possibility of application or replacement of radiators with low-temperature radiant panels. This paper shows the comparison results of operations of 4 space heating systems: the low-temperature radiant panel
Bojić, Milorad   +4 more
core   +1 more source

The investigation of expanded polystyrene creep behaviour

open access: yesMATEC Web of Conferences, 2017
The results obtained in long-term testing under constant compressive stress of the cut from the Slabs EPS 50/100 and EPS 150 with the density ranging from 15 to 24 kg/m3, which were manufactured by the same manufacturer by foaming EPS solid granules ...
Zhukov Aleksey   +3 more
doaj   +1 more source

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