Design Of Facilities Research Articles

Tailored ultrasound propagation in microscale metamaterials via inertia design

The quasi-static properties of micro-architected (meta)materials have been extensively studied over the past decade, but their dynamic responses, especially in acoustic metamaterials with engineered wave propagation behavior, represent a new frontier. However, challenges in miniaturizing and characterizing acoustic metamaterials in high-frequency (megahertz) regimes have hindered progress toward experimentally implementing ultrasonic-wave control. Here, we present an inertia design framework based on positioning microspheres to tune responses of 3D microscale metamaterials. We demonstrate tunable quasi-static stiffness by up to 75% and dynamic longitudinal-wave velocities by up to 25% while maintaining identical material density. Using noncontact laser-based dynamic experiments of tunable elastodynamic properties and numerical demonstrations of spatio-temporal ultrasound wave propagation, we explore the tunable static and elastodynamic property relation. This design framework expands the quasi-static and dynamic metamaterial property space through simple geometric changes, enabling facile design and fabrication of metamaterials for applications in medical ultrasound and analog computing.

Virtual Value Engineering in Investment and Construction Activities

Statement of the problem. The Russian investment and construction industries continue to grow, and there is a growing demand for services related to designing and implementing new projects. The introduction of innovative technologies and improvements to construction processes are essential parts of investment and construction efforts in today's world. Engineering plays a significant role in investment and construction projects, as it is involved both in the planning phase and during the implementation stages. Cost engineering is a concept that refers to a set of techniques and tools used to manage the expenses of a project throughout its lifecycle. The integration of investment and construction engineering services with the latest technological advancements is a new but already popular trend in the construction market. Results. This study emphasizes the importance of an integrated approach to facility design, considering the unique characteristics of modern technology and the requirements of participants in investment and construction projects that require operational involvement in project management. Conclusions. The paper supports the introduction of «virtual engineering», which can create a more comfortable environment for all stakeholders in an investment or construction project.

A Polyphenol Decorated Triplex Hybrid Biomaterial: Structure-Function, Release Profiles, Sorption, and Antipathogenic Effects.

Herein, nonwoven alkali modified flax substrates were coated with incremental levels of chitosan, followed by immobilization of tannic acid, via a facile "dip-coating" strategy to yield a unique hierarchal "triplex" hybrid biomaterial, denoted as "THB". The characterization of the physicochemical properties of THB employed complementary spectroscopic (IR, Raman, and NMR) techniques, which support the role of hydrogen bonding and electrostatic interactions between the components: chitosan as the secondary biopolymer coating and the tertiary adsorbed polyphenols. XRD and SEM techniques provide further structural insight that confirms the unique semicrystalline nature and porous hierarchal structure of the biocomposite. The THBs present a polyphenol kinetic release profile that follows the Korsmeyer-Peppas model that concurs with Fickian diffusion for heterogeneous polymer systems. Furthermore, these systems demonstrate a tailored solvent uptake capacity (up to 4 g/g) in aqueous PBS media. Antipathogenic activity tests revealed 95% elimination of pathogens (E. coli, S. aureus, and C. albicans) at a dose of 50 mg for the THB system. The trend in the structure-property relationships for the THB systems indicates synergistic effects of electrostatic multiform interactions between protonated chitosan and the polyphenol units. Herein, we report the first example of a unique hierarchal biomaterial via a facile design strategy for diversiform roles as responsive adsorbents for environmental remediation to biomedical applications (e.g., controlled release, topical administration, or antimicrobial surface coatings).

Food handling practices and sanitary conditions of charitable food assistance programs in eThekwini District, KwaZulu-Natal, South Africa

Unsafe food handling practices by food handlers have dire health and financial implications worldwide. Each year, approximately 600 million people, or about 1 in 10 people, are said to become ill from eating contaminated food, and 420,000 people inadvertently die. According to the 2019 World Bank report on the economic burden of foodborne diseases, the annual cost of treating foodborne illnesses is estimated to be US$ 15 billion, and the total productivity loss caused by foodborne diseases in low- and middle-income countries is estimated to be US$ 95.2 billion annually. The purpose of this study was to assess the food handling practices and sanitary conditions of the charitable food assistance programs (CFAPs) in the eThekwini District of KwaZulu-Natal, South Africa. A descriptive cross-sectional study was conducted among 196 CFAPs in eight study settings across five municipal planning regions (MPRs) of the eThekwini District between January 2021 and May 2021. Data were collected using a standardized 37-item observational checklist and analysed through Stata Statistical Software (TX: StataCorp. 2021 LLC.: Release 17. College Station). Compliance levels were calculated using the compliance score (C-score), whereby 0.0–0.20 (0–20%), 0.21–0.40 (21–40%), 0.41–0.60 (41–60%), 0.61–0.80 (61–80%), and 0.81–1.00 (81–100%) were determined as very poor, poor, average, good, and very good, respectively. Statistically significant associations were declared at p < 0.05. Compliance with food hygiene, storage, and packaging was very poor (C-score = 0.003), as were personal hygiene and staff facilities (C-score = 0.147), as well as product information/labelling (C-score = 0.003). Similarly, waste management and pest control systems (C-score = 0.203), compliance with health and hygiene education/training (C-score = 0.335), as well as use and maintenance of transport (C-score = 0.333), all scored ‘poor’. Only the design of premises and facilities had an average compliance score (C-score = 0.43). Given CFAPs’ role in mitigating the impact of poverty, their strict compliance with hygiene protocols is of utmost importance. Systems for identifying and correcting common noncompliance in CFAPs are required.

Pagoda solar evaporators with an alternating hot-cold pattern for rapid, scaling-free desalination of hypersaline brines

Solar-driven evaporation holds significant potential for desalinating hypersaline brines, which pose challenges for traditional reverse osmosis. However, achieving both rapid evaporation and scaling prevention remains a key obstacle. In this study, we introduce a pagoda-like solar evaporator designed to optimize heat and mass transfer during the evaporation process of hypersaline brines. The interconnected multi-layer structure creates an alternating hot–cold pattern that integrates solar and environmental evaporation, enhancing the overall evaporation rate. This pattern also induces thermal Marangoni convection within the evaporator, mitigating local ion accumulation and providing durable scaling resistance. The pagoda evaporator sustains an evaporation rate of approximately 1.70 kg·m−2·h−1 over 8 h with a 20 wt% NaCl solution and produces 7.78 L·m−2·day−1 of fresh water without surface scaling in outdoor experiments. This innovative and facile design marks a significant advancement in the sustainable and efficient desalination of highly saline brines.

Monitoring Slug Flow Using Distributed Acoustic Sensing Technology with Different Sensing Cable Configurations

Summary Monitoring slug flow in real time over long distances is essential for facility design, operation, and flow assurance management. In this study, we investigated the use of distributed acoustic sensing (DAS) technology for slug flow monitoring, exploring various cable designs and deployment methods. The experimentation encompassed the use of five distinctive fiber-optic cable deployment methods: three internal cables of varying designs (thin, flat, and thick), supplemented by two external cables—one placed straight atop the pipeline while the other was helically wrapped around it. All cables were connected consecutively and successfully captured the dynamic variation of the slugging phenomenon along the pipe. We introduce different data processing algorithms for slug flow characterization, including standard deviation (SD) downsampling, slug frequency determination, and semblance for velocity extraction. The experimental results indicate a higher slug frequency but smaller slug sizes near the inlet of upward inclined pipe, where most slug structures originate. The structure velocity shows a positive correlation with DAS amplitude or the maximum strain rate, which could be related to the slug size. The flat cable exhibited a heightened amplitude response to slugs, while the internal thin and the external straight cables provided the most distinct delineation of slug patterns. The internal thick cable provided the least sensitivity among all due to its design. Although the linear deployment of fiber-optic cables is more practical compared to helically wrapped ones, their resolution limits detailed analysis of more intricate slug characteristics for short pipelines, such as precise velocity measurements of slugs. Data from the helically wrapped cable can address these limitations, providing more comprehensive insights.

Synthesis and structure of an aqueous stable Cu(II)-based coordination polymer with multifunctional fluorescence sensing property

Advanced methods for both biological and environmental hazardous pollutants are of sustained interest. Herein, a new coordination polymer, namely, [Cu2(OH)(1,2,4-bca)(bmoe)]·H2O (Cu-CP) has been hydrothermally constructed with a mix-ligand strategy, employing 1,2,4-benzenetricarboxylic acid (1,2,4-bca) and 1,1′-bis(1H-benzimidazolyl) oxydiethane (bmoe) as organic ligands. The intrinsic strong blue-light emission and the great stability in water solutions with the broad range of pH values (pH = 4 − 12) of Cu-CP provide a platform for practical fluorescence sensing application in water samples. Fluorescence measurements reveal that Cu-CP displays interesting multi-responsive dection activities toward toxic heavy-metal ions Cr2O72- / CrO42− / MnO4−, nitrofuran antibiotics nitrofurantoin (NFT) / nitrofurazone (NFZ) and acetylacetone (ACAC) in aqueous solutions achieving both high sensitivity and low detection limits (micromolar for Cr(VI) / Mn(VII) / ACAC and nanomolar for NFT / NFZ). Furthermore, the interference experiments have verified its excellent selectivity. A synergetic contribution of internal filtration effect (IFE) and Förster resonance energy transfer (FRET) between Cr2O72- / CrO42− / MnO4− and the framework of Cu-CP realize the fluorescence quenching behavior for Cr(VI) / Mn(VII) detection, while FRET, IFE and photoinduced electron transfer (PET) mechanisms are synergistically responsible in the case of NFT / NFZ, ACAC sensing supported by the molecular simulations and UV−vis spectral overlap experiments. This present work affords precious guidance for the effective and facile design and preparation of multifunctional luminescent coordination polymers with promising performance.

Work Environment and Socio-Demographic Factors of Psychiatric Nurses: A Cross-Sectional Study in Hospitals of Eastern Saudi Arabia

The work environment in healthcare institutions, especially in psychiatric hospitals, plays a crucial role in shaping the experiences and efficacy of nurses’ performance. This environment is influenced by various factors such as facility design, resource availability, workplace culture, support systems, and interpersonal dynamics. Understanding the intricate dynamics of the work environment in psychiatric hospitals is essential for ensuring the provision of high-quality mental healthcare services and enhancing the overall quality of life for both patients and healthcare providers, including nurses. However, the work environment of psychiatric nurses in the eastern region of Saudi Arabia is still inadequately understood. Objective: This study aimed to examine the work environment of nurses working in psychiatric hospitals in the eastern region of Saudi Arabia. Method: A cross-sectional research design was employed on a sample of 346 nurses using a non-probability convenience sampling technique. The survey method was adopted with the Practice Environment Scale of the Nursing Work Index (revised, Arabic version). Results: The study found a significant association between psychiatric nurses’ work environment and their socio-demographic characteristics. Demographic factors, such as age and years of experience, were identified as influencing factors of nurses’ perceptions of their work environment. Younger nurses and those with fewer years of experience reported greater job satisfaction when their work environment was positive. Conclusions: This study underscores the critical importance of maintaining a supportive work environment for psychiatric nurses due to its possible direct influence on their job satisfaction, work performance, quality of life, and overall well-being. Tailoring interventions to address demographic variations in perceptions of the work environment can enhance the well-being of nurses and improve the quality of care provided to psychiatric patients. These findings contribute to the body of knowledge on psychiatric nursing and have clinical implications for healthcare institutions that aim to optimize their work environments and retain a skilled and satisfied nursing workforce.

Improving physical healthcare for people experiencing mental illness: The COMITMENT project

Abstract Background People experiencing mental illness (PMI) face significant challenges in accessing and using somatic healthcare services, reducing their overall life expectancy by up to 20 years. The COMITMENT project aimed to identify barriers and facilitators in accessing and using somatic healthcare services for PMI and co-design strategies that could address existing challenges. Methods This study employed a qualitative participatory approach, involving a “trialogic” steering group composed of a person with lived experience of mental illness, a family member and caregiver of PMI, as well as a health professional. Two co-design workshops were conducted with members of each trialogic group, based on “World Café” methodology, facilitating open discussion between and among the three perspectives. Data was gathered through participant observations and systematically collecting participants’ workshop contributions, and analyzed thematically. Results Overall, 52 people participated in the two workshops. Findings identified six overarching themes regarding challenges in somatic healthcare access/use for PMI: (1) accessibility and facility design, (2) support and bureaucracy, (3) awareness among healthcare professionals, (4) societal awareness, (5) structural diversity of services, and (6) lack of networking abilities. Notable insights include inclusivity design requirements for healthcare facilities and the importance of integrating lived experiences of PMI into the training of healthcare professionals to reduce stigma. Conclusions This study underscores the critical need for systemic changes to improve somatic care for PMI. It suggests that greater awareness among healthcare professionals, coupled with more inclusive service design and enhanced networking abilities, could substantially improve the quality of healthcare for PMI. The COMITMENT project provides robust and co-designed results for social, systemic, and political reforms aimed at reducing healthcare inequity. Key messages • This study shows how direct involvement of relevant stakeholders improves the design of interventions that truly meet the needs of people with mental illness regarding somatic healthcare services. • To improve healthcare access and treatment for people experiencing mental illness, systemic social, design, educational, and political changes and adaptations are required.

Dynamic web-based GIS tool for pre-feasibility evaluation of renewable energy projects

The high energy consumption and the large amount of emissions associated with roads life cycle makes it necessary for the administrations involved to invest in the implementation of renewable energy technologies on adjacent lands so that the net balance between CO2 emitted and CO2 saved is zero, thus helping to decarbonize the transport networks. To facilitate the first step in the long process leading up to the construction of wind and solar farms, a user-friendly tool is here presented that allows an early-stage evaluation of renewable energy projects. The ENROAD web-based GIS tool, through a functional, modern, intuitive, and ergonomic graphical user interface aimed at non-specialized users, optimizes the use of photovoltaic and wind technologies based on shading and wake losses, respectively, taking into account the solar radiation and wind conditions of the location and the geometry of the area selected by the user. In addition, the tool provides a thorough financial analysis, incorporating the effects of user-defined long-term interest rates, inflation rates, loan costs and efficiency losses on the Levelized Cost of Energy as well as traditional financial metrics, enabling users to conduct insightful if-then simulations. While this tool cannot have the precision of the in-depth study needed for the design of complex renewable energy facilities, it can facilitate the decision making by the administrations. Finally, a case study and a validation section have been included to demonstrate the technical and financial evaluation provided by ENROAD and ensure that the results provided are reasonable and accurate enough.

How to Change Practice and Policy to Address the Unique Needs of Senior Inmates: Insights From the Norwegian Correctional System

This study explores challenges senior inmates face in a Norwegian prison and evaluates the “Come and Meet Each Other” (CAMEO) program's effects on their life, focusing on changes in policy and practice to transform inmates’ perceptions of their environment. Utilizing a mixed-methods approach, including survey and interviews, thematic analysis revealed that CAMEO enhances inmates’ daily lives, dignity, and community integration, promoting a more normal life. Despite positive outcomes, issues persist with drug rehabilitation cohabitation and prison structure. Recommendations include improving facility design, expanding activities, and enhancing staff training. The findings highlight broader issues in correctional settings and suggest areas for further research on recidivism and reintegration.

Inclusive intervention design for vulnerable road users: Applying co-design and behaviour change model in Bangladesh

In developing countries, it is debatable whether poor design of facilities or violation of traffic rules by road users is the leading cause of pedestrian injuries and deaths. Professionals, pedestrians and drivers tend to blame each other. Shared responsibility for road safety is crucial for protecting vulnerable road users such as commuting students and workers who face higher injury risks while crossing highways. While the Safe System approach emphasises authorities’ responsibility for safe facilities, understanding user needs and promoting behaviour change remain underexplored. This study investigates the current design practices in Bangladesh. It compares the impact of conventional design with co-design on intervention quality and examines the further benefits of integrating a behaviour change model ‘COM-B’.Local road agency professionals applied the design process and suggested interventions at four highway sites. Subsequently, four focus group sessions were conducted with students and workers, followed by four design workshops. In each workshop, participants were randomly assigned to two design groups (without and with the application of the behaviour change model), where they designed interventions facilitated by professionals. Lastly, perception ratings of stakeholders and safety assessments by four experts were conducted to evaluate the efficacy of all interventions.The findings highlight major usability problems in conventional designs, while co-designed interventions demonstrate clear improvements. Notably, integrating a behaviour change model further enhances effectiveness. Stakeholder interviews reveal that co-design fosters shared responsibility and addresses the blame culture. The co-design approach and application of the behaviour change model can address design flaws and promote the proper use of facilities.

Robust Sandwich‐Structured Thermally Activated Delayed Fluorescence Molecules Utilizing 11,12‐Dihydroindolo[2,3‐a]carbazole as Bridge

AbstractConstructing folded molecular structures is emerging as a promising strategy to develop efficient thermally activated delayed fluorescence (TADF) materials. Most folded TADF materials have V‐shaped configurations formed by donors and acceptors linked on carbazole or fluorene bridges. In this work, a facile molecular design strategy is proposed for exploring sandwich‐structured molecules, and a series of novel and robust TADF materials with regular U‐shaped sandwich conformations are constructed by using 11,12‐dihydroindolo[2,3‐a]carbazole as bridge, xanthone as acceptor, and dibenzothiophene, dibenzofuran, 9‐phenylcarbazole and indolo[3,2,1‐JK]carbazole as donors. They hold outstanding thermal stability with ultrahigh decomposition temperatures (556–563 °C), and exhibit fast delayed fluorescence and excellent photoluminescence quantum efficiencies (86 %–97 %). The regular and close stacking of acceptor and donors results in rigidified molecular structures with efficient through‐space interaction, which are conducive to suppressing intramolecular motion and reducing reorganized excited‐state energy. The organic light‐emitting diodes (OLEDs) using them as emitters exhibit excellent electroluminescence performances, with maximum external quantum efficiencies of up to 30.6 %, which is a leading value for the OLEDs based on folded TADF emitters. These results demonstrate the proposed strategy of employing 11,12‐dihydroindolo[2,3‐a]carbazole as bridge for planar donors and acceptors to construct efficient folded TADF materials is applicable.

Single layer vanadium oxide assisted switchable metasurfaces for transmissive and reflective polarization conversion

Polarization control using metasurfaces is highly advantageous; however, most metasurfaces operate exclusively in either transmission or reflection mode. Additionally, achieving both wide bandwidth and high efficiency simultaneously in their design remains a significant challenge. Here, we design a high-efficiency and wideband switchable metasurface that can switch between transmissive and reflective polarization conversion modes by utilizing a single layer of I-shaped resonators and gold-vanadium dioxide (VO2) alternating gratings printed on a quartz substrate. When VO2 transitions to its metallic phase, the continuous metal layers of gold-VO2 eliminate transmission and the designed metasurface operates as a reflective cross-polarization converter with a polarization conversion ratio (PCR) exceeding 0.9 over a broad frequency range of 1.4–3.3 THz. Conversely, when VO2 is in its insulator phase, the THz incoming wave can transmit through the gratings, and the design behaves as a transmissive cross-polarization converter with a PCR above 0.99 in the 0.75-4.0 THz range for a forward y- polarized wave. The working mechanism for both transmissive and reflective polarization conversion modes is explained through theoretical analysis and surface current distributions. With the advantages of facile design, high performance, and dual functionality, our design is expected to be applied in the fields of imaging, sensing, and communication.

Sustainable photodegradation of tetracycline by surface-functionalized carbon nitride: Mechanism insight and toxicity assessment

Here, we report the facile preparation of amino- and vacancies-abundant carbon nitride photocatalyst using acetone as a low-boiling-point solvent and describe its successful performance of environmental purification. As a demonstration of the notion, tetracycline (TC) antibiotic as an emerging aqueous contaminant has been used as a model substrate for assessing the photoactivity of the modified carbon nitride and clarifying its intrinsic mechanism. 96 % of TC can be photocatalytically removed within 30 min, accompanied by a discernible mitigation in ecotoxicological impact. Reactive species, including •OH, •O2-, and photogenerated holes, are considered the critical oxidants. Meanwhile, the possible intermediates and transformation pathways of TC degradation were investigated utilizing the LC-MS technique, the Fukui function, and the T.E.S.T. software. The comprehensive approach furnishes valuable insights for assessing the evolutionary dynamics of tetracycline in an advanced oxidation process (AOP). This study offers a sustainable, cost-effective, and eco-friendly approach to preparing carbon nitride material, which is believed to open an avenue for the facile design of heterogeneous environmental photocatalysts and to provide insights into the various environmental applications.

A scoping review of cultivated meat techno-economic analyses to inform future research directions for scaled-up manufacturing.

Techno-economic analyses offer insights into how industrial cultivated meat (CM) production could achieve price parity with conventional meat. These analyses use scaling practices, data and facility designs for related bioprocessing fields, including large (≥20,000 l) stirred tank bioreactors and suspension-tolerant, continuously available cell lines. This approach is inconsistent with most primary CM literature, which parallels bench-scale tissue engineering. TEAs published to date demonstrate that, under the current technological paradigm, CM is unlikely to be competitive with conventional meat. Scale-up feasibility may hinge on cost-saving areas such as use of plant-based media components, food-grade aseptic conditions and extensive scaling of related supply chains. Research must address knowledge gaps including serum-free differentiation, new bioreactor designs and facility design before CM can become a viable alternative to animal-based meat production.

Comparison of chamber beam geometry robustness to mispointing, imbalance and target offset for direct-drive laser fusion facilities

Abstract This study focuses on the optimization of beam chamber geometry designs for future direct-drive laser facilities. It provides a review of leading target chamber geometries, with a particular emphasis on random errors. Through comprehensive solid-sphere illuminations and analysis, we identify an optimized beam geometry design, highlighting its robustness and performance under realistic experimental conditions. Three major sources of random errors are evaluated, closely linked to experimental evaluations at OMEGA. The findings underscore the importance of optimizing the irradiation system alongside beam pattern considerations to enhance the efficiency and reliability of inertial confinement fusion experiments. We conclude that for a desired illumination uniformity of 1% in the presence of system errors, the split icosahedron design is the most robust. However, for a 0.3% uniformity goal, the charged-particle, icosahedron, and t-sphere methods exhibit similar performance.

Healing Havens: How Evidence-Based Design is Transforming Medical Spaces Into Therapeutic Environments.

To explore how evidence-based design is transforming healthcare environments into transforming spaces that improve patient outcomes and staff experiences. Traditional hospital designs often prioritize functionality over patient and staff well-being. This editorial examines the shift toward evidence-based design in healthcare facilities. We review recent studies and case examples demonstrating the impact of thoughtful healthcare design on infection rates, patient recovery, and staff performance. Evidence shows that elements such as private rooms, access to nature, and improved lighting can significantly reduce infections, accelerate healing, and enhance staff satisfaction. Implementing evidence-based design principles in healthcare environments can lead to measurable improvements in patient outcomes, staff performance, and overall healthcare quality.

Asymmetric sandwich poly(lactic acid) composite films fabricated by one-step phase separation approach towards absorption-dominant electromagnetic interference shielding and hydrophobicity

The absorption-dominant electromagnetic interference (EMI) shielding polymer composites with excellent hydrophobicity and environmental friendliness are highly demanded to alleviate secondary electromagnetic radiation in high-humidity surroundings. Herein, cobalt–nickel@carbon nanotubes-polylactic acid-silver nanowires (CoNi@CNTs-PLA-AgNWs) films with asymmetrical sandwich architectures were successfully fabricated via a one-step magnetic field-assisted non-solvent-induced phase separation methodology. AgNWs are mainly spread on the rough top layer, but CoNi@CNTs are primarily distributed in the porous bottom layer of CoNi@CNTs-PLA-AgNWs composite films. Owing to the unique asymmetrical magnetic-electric dual networks, 150CoNi@CNTs-PLA-7AgNWs film displays the fantastic averaged EMI SET of 53.7 dB and optimal A of 0.61, illuminating the dominance of absorption in EMI shielding and efficiently alleviating the secondary electromagnetic pollution. In order to enhance the stability of EMI shielding in damp environment, CoNi@CNTs-PLA-AgNWs composite films are dip-coated in 1H,1H,2H,2H-perfluorodecyltrimethoxysilane (FDTS) solution for hydrophobic modification. The excellent water repellency is achieved on both top and bottom surface of CoNi@CNTs-PLA-AgNWs films with WCA > 150° and > 120°, respectively, while maintaining the superior EMI shielding performance. Such facile one-step asymmetrical sandwich structure design strategy provides valuable insight into preparing and controlling hydrophobic absorption-dominant EMI shielding composites, which is anticipated to have numerous implications for smart and portable electronic devices in high-humidity environment.

Prediction of Noise Reduction Effect of Sound Barriers and Evaluation of Noise Annoyance

This study was conducted to assess noise annoyance following the installation of various types of sound barriers on elevated roads and to forecast the noise reduction effect. The level of annoyance was evaluated using a five-level linguistic rating scale, and noise values were anticipated for each floor of the building using Cadna/A software based on different road service levels. The results showed that for each service level road, the sound barrier’s noise reduction impact was most pronounced at heights of 3.5–5[Formula: see text]m, and the ratio of the acoustic barrier’s length extension to its distance from the building should not be greater than 4:1. After comparison, it was found that the fully enclosed sound barrier has the best noise reduction effect. Additionally, the noise annoyance level varied significantly at different service levels, with 60.5[Formula: see text]dB chosen as the noise threshold value. This study could offer an optional path for noise reduction facility design.