cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.6084/m9.figshare.6448220.v1
title: Perception of soundscape in the dam park at São José do Rio Preto, SP

description: Abstract This study investigates the soundscape by identifying relationships between the features of users' surroundings and their perception of the sound environment at the Dam Park in São José do Rio Preto, SP. Within a radius of 25 meters around some sample points at the park, urban attributes were identified (Sky View Factor -SVF, High Vegetation Percentage and Ground Vegetation Percentage). Measurements of equivalent continuous sound pressure levels (LAeq,T) and by 1/3 octave analysis (Leq, (f Hz)) were taken and sound descriptors (LA10, LA50, LA90) were identified. Questionnaires were applied to obtain the users' profile (gender, age, education, occupation) as well as sound pressure level perception, noise annoyance and evaluation of sound comfort. The results showed differences between users' expectations and objectives according to the days when they used the park. Furthermore, a relationship was observed between measured and perceived sound levels, although the annoyance level does not follow that same relationship. Finally, the results showed that a reduction of the sound pressure level for some frequencies is related to increasing the percentage of ground vegetation.
DOI: 10.6084/m9.figshare.6448481
title: Analysing the logistics impact on the cost composition of a mechanised spraying process of rendering mortar

description: Abstract The process of mortar mechanical projection has been approved in terms of its performance, but industrial management knowledge should be applied to understand the economic viability of the system. The aim of this paper is to evaluate the productivity and logistics impact of the mechanised spraying process of rendering mortar on its global cost composition. On a worldwide scale, there are no studies that correlate logistics, productivity and costs for mortar rendering systems, indicating the originality of the research. A multiple case study was proposed. A comparison was made between the manual application and mechanical projection methods of internal wall plastering. The data collection included identifying logistic bottlenecks, studying productive times, lead time, productivity, material consumption and losses and cost composition. The results showed that in both systems an impact on logistics occurs around 50% in teams´ productivity indices and global costs. The impact of productivity on indirect costs that reduce execution time and economic feasibility of the projection system is possible due to strategies that translate logistics efficiency.
DOI: 10.6084/m9.figshare.6448481.v1
title: Analysing the logistics impact on the cost composition of a mechanised spraying process of rendering mortar

description: Abstract The process of mortar mechanical projection has been approved in terms of its performance, but industrial management knowledge should be applied to understand the economic viability of the system. The aim of this paper is to evaluate the productivity and logistics impact of the mechanised spraying process of rendering mortar on its global cost composition. On a worldwide scale, there are no studies that correlate logistics, productivity and costs for mortar rendering systems, indicating the originality of the research. A multiple case study was proposed. A comparison was made between the manual application and mechanical projection methods of internal wall plastering. The data collection included identifying logistic bottlenecks, studying productive times, lead time, productivity, material consumption and losses and cost composition. The results showed that in both systems an impact on logistics occurs around 50% in teams´ productivity indices and global costs. The impact of productivity on indirect costs that reduce execution time and economic feasibility of the projection system is possible due to strategies that translate logistics efficiency.
DOI: 10.6084/m9.figshare.20027008
title: Influence of the number of sheds and the horizontal distance between them on the performance of natural ventilation

description: Abstract Natural ventilation is an effective strategy for the passive thermal conditioning of buildings, and its potential is often connected with design decisions that differ from the conventional model. An example of that are sheds, which are openings in the roof that function as air extractors and collectors, depending on their location in relation to the prevailing winds. The aim of this paper is to evaluate the influence of the number of sheds and the distance between them on the performance of natural ventilation. The angles of incidence of the winds analysed were 0º, 45º, 135º and 180º. The methodology adopted was simulation by Computational Fluid Dynamics using the CFX software. The results indicate that increasing the number of sheds reduces the internal air renewal for the air extraction and collection. Increasing the distance between the sheds, increases the internal airflow for the air collector sheds. However, a reduction in renewal rates was observed in the air extractor sheds. This was due to the reduction of the air outlet total area, which influences the flow rate of the building. In the air collector sheds, the increase occurred because the sheds become more effective for air entrance despite the fact that an increased distance reduced the number of air inlet openings.
DOI: 10.6084/m9.figshare.20027008.v1
title: Influence of the number of sheds and the horizontal distance between them on the performance of natural ventilation

description: Abstract Natural ventilation is an effective strategy for the passive thermal conditioning of buildings, and its potential is often connected with design decisions that differ from the conventional model. An example of that are sheds, which are openings in the roof that function as air extractors and collectors, depending on their location in relation to the prevailing winds. The aim of this paper is to evaluate the influence of the number of sheds and the distance between them on the performance of natural ventilation. The angles of incidence of the winds analysed were 0º, 45º, 135º and 180º. The methodology adopted was simulation by Computational Fluid Dynamics using the CFX software. The results indicate that increasing the number of sheds reduces the internal air renewal for the air extraction and collection. Increasing the distance between the sheds, increases the internal airflow for the air collector sheds. However, a reduction in renewal rates was observed in the air extractor sheds. This was due to the reduction of the air outlet total area, which influences the flow rate of the building. In the air collector sheds, the increase occurred because the sheds become more effective for air entrance despite the fact that an increased distance reduced the number of air inlet openings.
DOI: 10.6084/m9.figshare.6448286
title: Urban legislation and thermal comfort in urban street canyons: a case study in Campinas

description: Abstract The constructive parameters of the legislation on land use and occupancy regulate the occupancy of urban land. Different specifications for these parameters affect the climate of cities. In order to analyse how the legislation on land use and occupancy affects the microclimate and the thermal comfort of pedestrians, this study focused on an urban canyon in the city of Campinas through the use of computer simulations made in the ENVI-met 4.0 preview program. Forty-eight scenarios based on the occupancy rate variations, the floor area rate and canyon orientation were compared regarding thermal comfort by using the PET (Physiological Equivalent Temperature) index. The results showed that scenarios with a higher correlation between canyon height and width (H/W greater than 1.0) had a maximum air temperature up to 1.0 ºC lower than more open scenarios (H/W equal to 0.4). An increase in the H/W ratio increased the shading of the canyon, reducing the variation of the daily comfort sensation and the peak values of the PET. Regarding the orientation of the canyon, it was verified that those oriented parallel to the predominant direction of the winds have the potential for cooling surfaces intensified by increasing their speed. The results emphasize the importance of relating urban parameters with the climate and thermal comfort of pedestrians.
DOI: 10.6084/m9.figshare.6448286.v1
title: Urban legislation and thermal comfort in urban street canyons: a case study in Campinas

description: Abstract The constructive parameters of the legislation on land use and occupancy regulate the occupancy of urban land. Different specifications for these parameters affect the climate of cities. In order to analyse how the legislation on land use and occupancy affects the microclimate and the thermal comfort of pedestrians, this study focused on an urban canyon in the city of Campinas through the use of computer simulations made in the ENVI-met 4.0 preview program. Forty-eight scenarios based on the occupancy rate variations, the floor area rate and canyon orientation were compared regarding thermal comfort by using the PET (Physiological Equivalent Temperature) index. The results showed that scenarios with a higher correlation between canyon height and width (H/W greater than 1.0) had a maximum air temperature up to 1.0 ºC lower than more open scenarios (H/W equal to 0.4). An increase in the H/W ratio increased the shading of the canyon, reducing the variation of the daily comfort sensation and the peak values of the PET. Regarding the orientation of the canyon, it was verified that those oriented parallel to the predominant direction of the winds have the potential for cooling surfaces intensified by increasing their speed. The results emphasize the importance of relating urban parameters with the climate and thermal comfort of pedestrians.
DOI: 10.6084/m9.figshare.6448355
title: The impact of vegetation in urban microclimates and thermal comfort as a function of soil-vegetation-atmosphere interactions

description: Abstract This study is part of an investigation of the impact of vegetation on urban microclimates, under the canopy, as a function of soil-vegetation-atmosphere interactions. The aim of this study was: (1) to quantify the impact of vegetation based on microclimatic measurements (2) using the predictive model ENVI-met 3.1 to simulate the microclimatic effect of vegetation with different characteristics; (3) impact on human comfort with the application of external comfort index TEP - Temperature of Equivalent Perception. The method is inductive, with field measurements at Tenente Siqueira Campos Park (Trianon), in the city of São Paulo, for monitoring microclimatic data with two meteorological stations inside the park and for the survey of data from fixed stations outside the park, besides canopy and soil variables; and deductive, after calibration between measured and simulated data by ENVI-met 3.1 model and simulations of the same scenario, varying the characteristics of the canopy. Two indirect non-destructive methods were used to estimate the leaf area index (LAI): with LAI-2000 equipment and post-processing of hemispheric photos. Among all measured and simulated variables, the values for mean radiant temperature are the most impacted under the canopy of the tree vegetation, directly influencing thermal comfort.
DOI: 10.6084/m9.figshare.6448355.v1
title: The impact of vegetation in urban microclimates and thermal comfort as a function of soil-vegetation-atmosphere interactions

description: Abstract This study is part of an investigation of the impact of vegetation on urban microclimates, under the canopy, as a function of soil-vegetation-atmosphere interactions. The aim of this study was: (1) to quantify the impact of vegetation based on microclimatic measurements (2) using the predictive model ENVI-met 3.1 to simulate the microclimatic effect of vegetation with different characteristics; (3) impact on human comfort with the application of external comfort index TEP - Temperature of Equivalent Perception. The method is inductive, with field measurements at Tenente Siqueira Campos Park (Trianon), in the city of São Paulo, for monitoring microclimatic data with two meteorological stations inside the park and for the survey of data from fixed stations outside the park, besides canopy and soil variables; and deductive, after calibration between measured and simulated data by ENVI-met 3.1 model and simulations of the same scenario, varying the characteristics of the canopy. Two indirect non-destructive methods were used to estimate the leaf area index (LAI): with LAI-2000 equipment and post-processing of hemispheric photos. Among all measured and simulated variables, the values for mean radiant temperature are the most impacted under the canopy of the tree vegetation, directly influencing thermal comfort.
DOI: 10.6084/m9.figshare.6448349
title: Potential of use of daylight with dimmers and automated blinds: study in a low-rise office building for different orientations in tropical climate

description: Abstract The use of daylight in buildings reduces energy consumption with artificial lighting while at the same time provides better visual quality for their occupants. However, this strategy should be applied with caution so that the drawbacks (excessive heat gain and glare) do not outweigh the benefits. This paper demonstrates the potential of energy conservation and the visual/thermal quality of lighting systems with dimmers and automated blinds. The study is based on integrated computer simulation of a commercial building in Campinas, Brazil. The programs Daysim and EnergyPlus were used to estimate: the likely occurrence of glare, the energy consumption and heat gains. Compared to a conventional lighting system active all day, these systems can save up to 4% of the total energy use, while at the same time offering better visual quality. Despite the modest contribution to energy savings, this solution shows better visual quality indoors, quantified by the useful daylight index (UDI). This study promotes a discussion on the need to evaluate the energy efficiency of systems along with environmental quality. It also highlights the importance of considering the singularity of each case with regard to the interactions between the building and the environment.
DOI: 10.6084/m9.figshare.6448349.v1
title: Potential of use of daylight with dimmers and automated blinds: study in a low-rise office building for different orientations in tropical climate

description: Abstract The use of daylight in buildings reduces energy consumption with artificial lighting while at the same time provides better visual quality for their occupants. However, this strategy should be applied with caution so that the drawbacks (excessive heat gain and glare) do not outweigh the benefits. This paper demonstrates the potential of energy conservation and the visual/thermal quality of lighting systems with dimmers and automated blinds. The study is based on integrated computer simulation of a commercial building in Campinas, Brazil. The programs Daysim and EnergyPlus were used to estimate: the likely occurrence of glare, the energy consumption and heat gains. Compared to a conventional lighting system active all day, these systems can save up to 4% of the total energy use, while at the same time offering better visual quality. Despite the modest contribution to energy savings, this solution shows better visual quality indoors, quantified by the useful daylight index (UDI). This study promotes a discussion on the need to evaluate the energy efficiency of systems along with environmental quality. It also highlights the importance of considering the singularity of each case with regard to the interactions between the building and the environment.
DOI: 10.6084/m9.figshare.6448565
title: The prescriptive aspect of the standards of water supply and drainage for building systems and their relationship with BIM-based code checking

description: Abstract It is common practice to divide the building projects into subsystems, resulting in difficulties in managing the process. The use of BIM enables visualization of the interaction between these subsystems and the automated verification of the normative criteria. The aim of this article is to analyse the feasibility of automated code checking of BIM models according to the recommendations of the Brazilian buildings systems standards such as cold water supply, hot water supply and sewage. The method consists in surveying standardization guidelines and turning them into rules that can be checked automatically by means of computer programs. The results show that simple comparison rules and properties related to individualized elements are possible to be parameterized, but they also show that the current technical standards present few recommendations that can be changed into rules. The conclusion is that, in the case of hydraulic services building systems, the full and automatic verification of BIM models would only be feasible in a scenario where the technical standards were prescriptive in their entirety, in order to maximize the coverage of project analysis. However, as this scenario does not necessarily increase the quality of the solutions in the system designed, the automated code checking will play a supporting role, while there will not be a change in the paradigm of this type of automation.
DOI: 10.6084/m9.figshare.6448532
title: Commitment and interaction in building design coordination: a case study

description: Abstract The ineffectiveness and inefficiency of the commitments made within building project teams cause waste due to rework, delays and additional costs for the subsequent phases of the project, in addition to undermining interpersonal relationships. This research study investigates how commitments are made through interactions between participants of the project coordination team. This is a qualitative and exploratory study conducted through a case study in building project coordination. The results revealed what actions are more closely linked to commitment and also enabled us to suggest guidelines to help agents to improve their communication skills and grasp their commitments as set out in the workplace by providing means to assess and adjust the process throughout its development. This study made evident the determinig character of interaction, as an instrument to establish commitments, which puts at a second plane the contribution of protocols and control tools adopted for the work process, as well as the reliability of the documented information.
DOI: 10.6084/m9.figshare.6448532.v1
title: Commitment and interaction in building design coordination: a case study

description: Abstract The ineffectiveness and inefficiency of the commitments made within building project teams cause waste due to rework, delays and additional costs for the subsequent phases of the project, in addition to undermining interpersonal relationships. This research study investigates how commitments are made through interactions between participants of the project coordination team. This is a qualitative and exploratory study conducted through a case study in building project coordination. The results revealed what actions are more closely linked to commitment and also enabled us to suggest guidelines to help agents to improve their communication skills and grasp their commitments as set out in the workplace by providing means to assess and adjust the process throughout its development. This study made evident the determinig character of interaction, as an instrument to establish commitments, which puts at a second plane the contribution of protocols and control tools adopted for the work process, as well as the reliability of the documented information.
DOI: 10.6084/m9.figshare.6448199
title: Linear regression model to estimate CDW generation in structural masonry buildings

description: Abstract The prediction of the construction and demolition waste (CDW) done during the design phase is essential to ensure proper waste management on construction sites. Similarly, these indices can contribute to reducing building losses and operating costs. Because of the difficulties to quantify CDW, this article proposes a multiple linear regression model to estimate the CDW generation in vertical residential buildings with structural masonry. Considering a confidence interval of 95%, the coefficient model (R2) was calculated at 0.802 and the adjusted coefficient model (adjusted R2) obtained was 0.741. The comparison between CWD generation measured on the building site and the estimate produced by the prediction model developed in this study showed errors ranging from 10.62% to 54.94%. Hence, the regression model proved to be applicable to both construction systems: beam-column and structural masonry systems. Engineers and Architects can use it as a tool to estimate CDW in the Waste Management Plan of construction projects.
DOI: 10.6084/m9.figshare.6448199.v1
title: Linear regression model to estimate CDW generation in structural masonry buildings

description: Abstract The prediction of the construction and demolition waste (CDW) done during the design phase is essential to ensure proper waste management on construction sites. Similarly, these indices can contribute to reducing building losses and operating costs. Because of the difficulties to quantify CDW, this article proposes a multiple linear regression model to estimate the CDW generation in vertical residential buildings with structural masonry. Considering a confidence interval of 95%, the coefficient model (R2) was calculated at 0.802 and the adjusted coefficient model (adjusted R2) obtained was 0.741. The comparison between CWD generation measured on the building site and the estimate produced by the prediction model developed in this study showed errors ranging from 10.62% to 54.94%. Hence, the regression model proved to be applicable to both construction systems: beam-column and structural masonry systems. Engineers and Architects can use it as a tool to estimate CDW in the Waste Management Plan of construction projects.
DOI: 10.6084/m9.figshare.6448373.v1
title: Air-incorporation in cementitious materials: a new approach for developing rendering mortars

description: Abstract The use of air-entraining agents in rendering mortars has been studied for many years both at universities and private research centers. Hence, there is a wealth of information on this theme in the literature, mainly describing the EFFECTS of air-incorporation on workability, spreading, modulus of elasticity, air permeability increase, etc. However, very little information is available on the air-incorporation CAUSES which result in such effects, which may be considered the source of uncertainties and empiricism in the process of development of cementitious compositions. This study presents a review of the variables that may influence air-incorporation in cementitious systems, pointing to the impact of using air-entraining agent in water in the presence of cement particles (paste) and in the mortar.
DOI: 10.6084/m9.figshare.6448373
title: Air-incorporation in cementitious materials: a new approach for developing rendering mortars

description: Abstract The use of air-entraining agents in rendering mortars has been studied for many years both at universities and private research centers. Hence, there is a wealth of information on this theme in the literature, mainly describing the EFFECTS of air-incorporation on workability, spreading, modulus of elasticity, air permeability increase, etc. However, very little information is available on the air-incorporation CAUSES which result in such effects, which may be considered the source of uncertainties and empiricism in the process of development of cementitious compositions. This study presents a review of the variables that may influence air-incorporation in cementitious systems, pointing to the impact of using air-entraining agent in water in the presence of cement particles (paste) and in the mortar.