Construction Materials - Science topic

Plastic wastes are growing fast and affecting the environment negatively. Thus, finding different methods of disposing of is becoming a major concern. This research aimed to minimize the plastic by recycling it into construction materials. For this, grinding high-density polyethylene (HDPE) was mixed with cement at different percentages to produce...

Due to material deterioration, structure age, changes in building function, fault design, and decreased structural reliability brought on by natural catastrophes, it may require to strengthening the reinforced concrete (RC) beams. The entire carbon footprint is increased by the usage of building materials like cement. Therefore, restoring/improving...

Papers will address traditional building materials & construction techniques, typological analysis, preservation problems and solutions, climate adaptation and reuse of vacant traditional buildings, among some others. Submission deadline: May 2023. "Buildings" is an international peer-reviewed open access journal from MDPI, indexed in the Scien...

This study investigates the use of cenospheres to encapsulate a low-cost, bio-based phase change material (PCM) derived from refined edible vegetable oil. Chemical etching was applied on the cenospheres to create holes through which melted PCM was loaded to produce a PCM microcapsule. Subsequently, a silica-based coating was applied to seal the per...

The rapid development of materials, construction and industrial technologies leads to significant innovations in building systems and load-bearing components. The buildings that have adopted these innovative systems or components may have distinct structural performances under various loading scenarios, which need to be comprehensively verified. Mo...

Ultra-high-performance concrete (UHPC) is being increasingly considered as a construction material for structural applications. When considering these applications, the load transfer across monolithic and non-monolithic interfaces must be adequately designed. However, due to the physical and mechanical differences between UHPC and conventional conc...

The hygrothermal transfer is very important for the design of a building envelope for thermal comfort, economic and energy analysis of the building envelope. The lack of reference materials on models of moisture and temperature behavior in the building, including wooden walls, is a challenge. This paper reviewed the hygrothermal transfer models for...

Abstract: Somaliland got an independent economy since its breaks away from Somalia in 1991. This study aims to explain the trade pattern between Somaliland and the rest of the world, livestock export is the main in Somaliland economy accompanied to those other commodities like hides and skins gums and water melon for some times, though the country...

As a top construction material worldwide, concrete has core weakness relating to low tensile resistance without reinforcement. It is the reason that a variety of innovative materials are being used on concrete to overcome its weaknesses and make it more reliable and sustainable. Further, the embodied carbon of concrete is high because of cement bei...

The purpose of this study was to explore green office building certification strategies in Shanghai. The 45 LEED-CI v4 gold-certified office space projects were sorted by energy and atmosphere credit (EAc6, optimize energy performance) into two groups: 15 projects with the lowest EAc6 achievement (Group 1) and 15 projects with the highest EAc6 achi...

Self-compacting concrete (SCC) also uses a wide variety of resources, which makes it unsustainable. Currently, a lot of experts are concentrating on using valuable industrial or agricultural waste as the main raw material for the building industry. These wastes, on the other hand, are affordable and readily accessible everywhere, making them ideal...

Concrete, one of the most often-used building materials today, is the cornerstone of modern buildings all over the world, being used for foundations, pavements, building walls, architectural structures, highways, bridges, overpasses, and so on [...]

A common practice in the construction of residential and commercial buildings in Saudi Arabia is to insulate the outer walls and windows only. Other building components such as the roof, columns and slabs, and doors are usually neglected. Moreover, vital components such as the roof and windows are especially neglected in commercially built resident...

As a top construction material worldwide, concrete has core weakness relating to low tensile resistance without reinforcement. It is the reason that a variety of innovative materials are being used on concrete to overcome its weaknesses and make it more reliable and sustainable. Further, the embodied carbon of concrete is high because of cement bei...

Indoor air pollution has become a pressing issue in the United Arab Emirates (UAE) due to poor ventilation, inadequate airtightness, and using chemicals in building materials. Accordingly, the UAE is currently experiencing more cases of sick building syndrome (SBS) than any other country. This study aims to assess the effectiveness of the bake-out...

In Latin America, more than 20% of the urban population lives in precarious urban settlements where the urban planning practices are often exceeded. The urban form and construction materials used in these areas frequently contribute to worse microclimatic conditions as well. Therefore, this paper aims to present urban planning and building recommen...

ABSTRACT Construction materials such as lateritic soils, gravels, sands and rock aggregates are abundant in southwestern Nigeria Geotechnical studies have shown that the materials could be used as foundation for buildings, highway pavement and dams construction. However, lack of interest by state and Local Governments has led to artisanal mining...

Social change with the mission of eradicating poverty in Nepal. Building infrastructure, developing areas, and utilizing the local resources like the water and building materials, rocks, stones, technology, manpower, and other materials to build the road and the country.

Under the strategies of low-carbon and environmental protection, promoting green technology innovation to achieve carbon neutrality in the construction field has become a universal goal. As the building material with the highest consumption, concrete has gradually begun to transform into a multi-functional and intelligent product. Therefore, the re...

Call for papers for an international conference to be held at the Leibniz Centre for Archaeology (LEIZA-RGZM), Mainz (Germany), 11th-12th September 2023. Cities represent the end of a long process of development; they are constructed materially, socially and scientifically, regardless whether they have evolved organically or are planned as ex nov...

The quality of insulation of construction structures - houses and buildings of various purposes - depends on many components, but the main ones were and remain the quality and durability of the materials used. Typical tests are carried out according to indicators of the resistance of the structure with facade thermal insulation to climatic factors...

The application of α-hemihydrate gypsum (α-HH) is limited by several factors, such as a rapid hydration rate, short setting time, poor water resistance, and high cost. Especially because of the high production cost, although α-HH has excellent mechanical strength, it is rarely used in the field of building materials. In this study, based on the com...

In this study, experimental tests and numerical simulations (Abaqus) were performed to examine the durability of four impeller materials [steel, polyethylene, polypropylene and glass fiber reinforced polymer (GFRP)] in an anaerobic digester environment. Specimens of these materials were prepared and immersed in a bath containing anaerobic digester...

Scientific and technical progress largely ensures the production and use of new effective building construction materials with predetermined properties. The article considers the prospects of using a relatively new modern material in construction - composite reinforcement (AC), which has a number of advantages compared to traditional metal reinforc...

Todos os setores da indústria, inclusive a construção civil, foram afetados pela pandemia imposta de Covid 19. O aumento dos insumos provoca impactos negativos nas contratações de serviços construtivos, sobretudo em empreendimentos públicos que foram adquiridos via licitação. Apesar das notícias sobre os percentuais de aumentos, poucas pesquisas tê...

The substantiation of the need to develop and implement new resource-saving technologies for the production of construction mixtures using aggregates obtained as a result of complex processing of solid inorganic construction waste is provided. Analytical studies of technogenic waste processing technologies for obtaining building materials have been...

The aggravation of the economic and environmental situation in Ukraine necessitates the development of new efficient technologies for the processing and use of industrial technogenic waste from the thermal power and chemical industries. Such technologies should ensure the maximum degree of use in the production of high-quality efficient building pr...

The creation of the slag-alkaline arbolite's structure is examined in this study, which is based on measurements of the deformation of the mortar component, contact zone, and filler. Composites made of slag and alkaline arbolite are among the lightest building materials available, with excellent sound insulation and low thermal conductivity. Standa...

The Lower Rhine region was of crucial importance for the Roman empire as a transit zone from Gaul to the North Sea. The river Rhine functioned both as a transport artery and as a defence line. Huge investments were made in the first century CE to protect this economic lifeline, by installing a line of forts and legionary camps along the river from...

Targeted and controllable drug release at lesion sites with the aid of visual navigation in real-time is of great significance for precise theranostics of cancers. Benefiting from the marvellous features (e.g. bright emission and phototheranostic effect in aggregates) of aggregation-induced emission (AIE) materials, constructing AIE-based multifunc...

Current research efforts aim to develop insulating building materials to cope with hot tunnels by using crop straw fibers. The amount of straw fiber incorporated included different percentages of the gelling material mass: 0% (reference specimen), 2.5%, 5%, 7.5%, and 10%. The study focused on the concrete’s compressive strength, permeability, and t...

Wood is the organic hygroscopic material for excellence. Due to its extremely easy handling, it has always been used in many applications, especially as building material for artefacts and works of art. However, it is highly climate-susceptible as it swells or shrinks by exchanging moisture with the surrounding environment when natural or artificia...

Water treatment through photocatalysts has become an important topic regarding environmental protection. In the present study, silver and TiO2 (Ag/TiO2) composites for photocatalysts were effectively synthesized by adopting the template induced method. The prepared samples were characterized using XRD, FTIR spectroscopy, SEM, and EDX. The construct...

The tower of Piscinnì (WGS84: 38°54′15″N 8°46′40″E) is located within a beautiful coastal enclave on the coast of Teulada (South-western Sardinia). The mighty building stands on a promontory dominating the wild and suggestive panorama of the beach surrounded by Mediterranean vegetation. It was built at the end of the XVI century and still stands ou...

Global temperatures have led to an increasing need for air conditioning systems. So, because of this fact, buildings have been improved in terms of their thermal and energy efficiency. Regarding this, the Brazilian standard ABNT NBR 15.575-4/2013 set minimum parameters for the thermal transmittance and thermal capacity of sealing elements, which al...

Wood is an energy efficient, low carbon construction material that if carefully managed can contribute significantly to European climate policy goals in urban environments. The aim of this study is to assess the current construction wood use intensity ─ the ratio of apparent national consumption of wood for construction (in m3) to the useful floor...

Smart city initiatives have been a driving force for city-level dataset collection and the development of data-driven applications that benefit effective city management. There is a need to demonstrate use cases for effective city management using the available dataset. Urban Digital Twin (UDT) is a 3D city model that can integrate multi-discipline...

Portland cement is the primary material in the field of construction. Despite its importance, its production remains an energy consuming and polluting operation. Research on alternatives to Portland cement has become an international concern, and these alternatives include geopolymers. With the evolution of the research on geopolymers during the la...

Carbon fiber reinforced plastics (CFRP), technically called carbon fiber composite materials, receive increased attention as new lightweight materials from developed nations due to their excellent mechanical properties. A significant reduction in the CO 2 emission load from main transportations such as automobiles and aircraft, is achieved by impro...

Wearable antenna systems have attracted significant research efforts during the last decade and a rich pool of review papers can be found in the literature. Each scientific work contributes to various fields of wearable technology focusing, mainly, on constructing materials, manufacturing techniques, targeting applications, and miniaturization meth...

The treatment and valorization of wastes such as dredged harbor sediments and oyster shells have become critical for environmental management. In order to promote waste valorization and resource sustainability, this study evaluated the feasibility of using harbor sediments and oyster shells for lightweight aggregate (LWA) production. The effects of...

The aim of the current study is to optimise the composite mixture of fly ash, rubber waste and Ordinary Portland Cement (OPC)for the design and development of a light weight porous matrix. The composite matrices have been evaluated based on the engineering properties consisting of compressive strength, density, open porosity (VR%) and water-materia...

Concrete is a versatile construction material used along with a reinforcement. Concrete is made up of binder materials and aggregates. Cement is a primary binder material used to produce conventional concrete. Carbon dioxide emissions in the atmosphere are a symptom of the issue related to Portland cement manufacture. It is estimated that one ton o...

ABSTRACT Construction materials such as Lateritic soils, gravels, sands and rock aggregates are abundant in southwestern Nigeria. Geotechnical studies have shown that the materials could be used as foundation for buildings, highway pavement and dams construction. However, lack of interest by state and Local Governments has led to artisanal mining o...

Mining generates significant amounts of waste that can represent a source of contamination for areas close to the extraction area, generating a negative impact both on the environment and the health of people. This study aims to evaluate the radiological risk derived from exposure to natural radionuclides contained in tailings from Peruvian gold mi...

The construction industry consumes a huge quantity of raw materials, some of which ends up as waste in the construction process. Among many factors, studies suggest that the inexperience of labour is one factor that generates construction material waste. However, an in-depth analysis of construction material waste generation concerning the differen...

At least 617 cases of fire disasters were recorded in Balikpapan City from 2010 to 2020. In response, fire disaster mitigation is still a problem, especially in dense residential areas and unclean environments. One of the sub-districts with the characteristics of dense settlements and a history of fire incidents is Karang Rejo Village. This conditi...

This study aims to examine the flexural capacity of bamboo beams through a lamination process using glue. The lamination process is intended to increase the strength and stability of bamboo beams so that they can be used as alternative building materials. In this study, samples of bamboo beams were processed using the lamination method and tested t...

The preservation of heritage is crucial to successfully accomplish the Sustaining Development Goals (SDGs) because it leads to social unity; therefore, evaluating the decay mechanisms of stone-built heritage sites is critical to understanding the role of atmospheric conditions towards their conservation and to developing effective policies in the p...

Industrialization, population growth, and urbanization are all trends driving the explosive growth of the construction industry. Creating buildings to house people and operate industry, together with building infrastructure to provide public services, requires prodigious quantities of energy and materials. Most of these virgin materials are non-ren...

Earthen techniques have been historically used in construction of housing in Africa, Asia and Latin America. In the past two decades the interest in earthen material has grown considerably, leading to the development of sustainable materials such as compressed earth blocks (CEB), compressed stabilized earth blocks (CSEB) and interlocking stabilized...

Disposal scrap tires are environmental issue and lead to economic problems. To minimize these problems, it was necessaryto find safe ways to reduce the harms on environmental issues. The viable solutions to the recycling and reuse of discarded waste tires asan additive in construction materials has always gained attentions of researchers due to the...

The reduction of embodied carbon emissions in buildings has a significant impact on mitigating climate change. Current studies suggest that circular economy principles have the potential to reduce environmental impacts. Recycling and reuse of deconstructed building materials during the end of the useful lifespan of a building can help reduce carbon...

This study investigates variousmethods of construction of non-domestic buildings and its effect on buildingperformance of a typical UK supermarket under the worst-case scenarios of 2080speriod of climate change. Focus is specifically on the three LIDL-approvedconstruction methods and their building materials to quantify operationalenergy usage and...

In several countries, brick and ceramic tile are the most important construction materials; therefore, associated waste generation is common in construction and demolitions. An alternative use for waste is to incorporate it into road construction. However, the biggest limitation to use it as structural pavement layers is that strength and durabilit...

To date, the scientific research in the field of recycling of construction and demolition wastes was focused on the production of concrete, cements, and bricks. The attainment of these products was limited to the addition of suitable binder contents, such as lime or cement, compaction, and possibly heat treatment, without a concrete recycling metho...

Organic light-emitting diodes (OLEDs) have gained widespread commercial use, yet there is a continuous need to identify innovative emitters that offer higher efficiency and broader color gamut. To effectively screen out promising OLED molecules that are yet to be synthesized, we perform a representation learning aided high throughput virtual screen...

A large amount of mineral-generated lithium slag will be produced after extracting lithium from spodumene. However, most lithium slag has not been well utilized. In this study, lithium slag was added to MOC, and its setting time, compressive strength, water resistance, phase composition, and microscopic morphology were studied. The results showed t...

The following bee species new to the Kazantip Nature Reserve are reported: Colletes hederae Schmidt & Westrich, 1993, C. similis Schenk, 1853, Andrena marginata Fabricius, 1776, as is one species of vespid wasp, Euodynerus posticus (Herrich-Schäffer, 1841). In late September/early October, bees were recorded on two forage species: Galatella villosa...

The contradiction between the scarcity of natural resources and the demand for construction materials has given rise to the application of recycled aggregates. Microbial self-healing concrete (SHC) is a clean and smart material, and its carrier has a great influence on repair performance. In this paper, recycled coarse aggregate (RCA) and recycled...

This paper presents the development of composite silicate mass compositions based on man-made waste for the production of autoclave hardening products, as well as the results of physico-chemical studies of hydration products of silicate materials. The possibility, expediency and efficiency of using multi-tonnage technogenic waste of Kazakhstan in t...

Phyllosilicate mineral pyrophyllite is predominantly used in the ceramic industry because it exhibits high refractoriness. Due to its thermal transformation into mullite, pyrophyllite is stable at elevated temperatures, making it a suitable mineral additive for refractory non-shaped materials and various ceramic shaped products. In this study, pyro...

Tempered glass is a building material often used in curtain walls and windows of high-rise buildings. Tempered glass is easily damaged by high temperature and thermal radiation in a fire, creating a channel for flame spread. The breakage mechanism of glass is rarely studied under the protection of different sprinkler system. Therefore, three sprink...

Over the past thirty-five years, a series of archaeological sites of the period of the Russian colonization of Siberia have been investigated in the territory of the Siberian macroregion, which made it possible to identify re-gional features and to trace evolution of the socio-cultural identity of the Russian Siberian in the 17th–19th cc. A topical...

As a potential building material, fast-growing wood (such as poplar) is prone to easy combustion and having poor mechanical properties, which limit its application range. In order to improve the reinforcing effect of SiO2 on poplar wood, we propose a method of immersing silica sol into wood smoothly. In this method, the sol and a non-ionic surfacta...

Clay-fired bricks are widely used in emerging economies mainly because of the unavailability of higher-grade construction and building materials; however, they are associated with significant social and environmental damage. The environmental burdens associated with the fuels and materials required for brick production are huge, as they have both d...

La industrialización del municipio de Tocancipá; Cundinamarca ha sido un fenómeno presente en los últimos 40 años, este trajo consigo una llegada masiva de población foránea con necesidades de vivienda. De este modo se abre paso a la minería de materiales de construcción a gran escala en las veredas de Canavita y La Esmeralda históricamente poblada...

Airborne exposure to silica, below statutory industrial standards, can cause silica exposure and poisoning in construction workers at higher rates than predicted. This research aimed to assess the respiratory health of construction workers exposed to silica from tiles, bricks, mortar, and concrete. The study found a positive correlation between con...

The article describes prospectings carried out in ongoing doctoral research that aims to develop new prototypes of violin mutes, relying on the analysis of quantitative data extracted from violin recordings under the effect of different types of mutes. These prospectings aim to define an adequate analysis methodology to isolate the contributions of...