Results 21 to 30 of about 39,979 (97)

Modelling and efficiency assessment of vertically reinforced slab foundation of multi-storey building [PDF]

Нанотехнологии в строительстве
Introduction. The aim of this study is to investigate the structural behavior and effectiveness of slab foundations reinforced with vertical elements, a technique increasingly employed in civil engineering to improve the performance of foundations on ...
Kanat T. Alenov, Yerik T. Bessimbayev, Kylyshbay A. Bissenov, Assylbek S. Shadkam, Sayat E. Niyetbay, Zhangazy N. Moldamuratov   +5 more
doaj   +1 more source

Mechanical and Bond-Slip Properties of Steel-Fiber-Reinforced Geopolymer Recycled-Aggregate Concrete

Buildings
Steel-fiber-reinforced geopolymer recycled-aggregate concrete (SFGRC) represents a promising low-carbon building material, yet data on its bond behavior remains scarce, limiting its structural application.
Jianhua Ji, Zening Zhang, Yi Zhang, Xi Liu   +3 more
doaj   +1 more source

Synthesis of self-healing microcapsules based on dicyclopentadiene [PDF]

Нанотехнологии в строительстве
Introduction. The study aims to explore the possibility of creating microcapsules using a carbamide-formaldehyde shell (coat) that contains dicyclopentadiene. Materials and methods. The following reagents were used to synthesize carbamide-formaldehyde
Natalia I. Cherkashina, Vyacheslav I. Pavlenko, Sergey V. Serebryakov , Artyom Yu. Ruchiy, Roman A. Barinov   +4 more
doaj   +1 more source

Thermoacoustic, Physical, and Mechanical Properties of Bio-Bricks from Agricultural Waste

Buildings
This study presents the development and characterization of sustainable bio-bricks incorporating agricultural residues—specifically coffee husks and bovine excreta—as partial substitutes for cement.
Haidee Yulady Jaramillo, Robin Zuluaga-Gallego, Alejandro Arango-Correa, Ricardo Andrés García-León   +3 more
doaj   +1 more source

Robust extreme gradient boosting model for predicting the behavior of RC slabs under impact loading: key influencing factors and performance insights [PDF]

Revista IBRACON de Estruturas e Materiais
This study presents an advanced approach to analyzing the impact behavior of reinforced concrete (RC) slabs, utilizing an optimized extreme gradient boosting (XGB) machine learning algorithm. Supported by a comprehensive dataset of 143 records drawn from
Ammar Babiker
doaj   +1 more source

Multidimensional Human Responses Under Dynamic Spectra of Daylighting and Electric Lighting

Buildings
The luminous environment, shaped by daylight and electric light, significantly influences visual performance, physiological responses, and perceptual experiences. While these light sources are often perceived as distinct due to their differing effects on
Yingjun Dong, Guiyi Wu, Jiaxin Shi, Qingxuan Liang, Zhipeng Cui, Peng Xue   +5 more
doaj   +1 more source

Distributed reaction surface of carbon-graphite volume-porous cathodes as a parameter for optimizing of metallization process of composite and nanocomposite materials [PDF]

Нанотехнологии в строительстве
Introduction. The porous composite and nanocomposite materials discussed in this publication are metallized carbon-graphite materials, in particular carbon fiber materials (CFMs).
Alexander N. Koshev, Valentina V. Kuzina   +1 more
doaj   +1 more source

Exploring the Factors Influencing the Spread of COVID-19 Within Residential Communities Using a Big Data Approach: A Case Study of Beijing

Buildings
The COVID-19 pandemic has profoundly influenced urban planning and disease management in residential areas. Focusing on Beijing as a case study (3898 communities), this research develops a big data analytics framework integrating anonymized mobile phone ...
Yang Li, Xiaoming Sun, Huiyan Chen, Hong Zhang, Yinong Li, Wenqi Lin, Linan Ding   +6 more
doaj   +1 more source

Optimizing the Food–Energy–Water Nexus: A Multi-Objective Spatial Configuration Framework for High-Density Communities

Buildings
Global urbanization and climate change are intensifying challenges in the sustainable management of the Food–Energy–Water (FEW) system. This study introduces a multi-objective optimization framework that redefines urban spaces through a dual rooftop ...
Jie Zheng, Hengyu Li, Lulu Sun, Mingxuan Li, Yukun Zhang   +4 more
doaj   +1 more source

Research on Thermal Performance of Polypropylene Fiber-Reinforced Concrete Wall Panels

Buildings
The global construction industry faces pressing challenges in enhancing building energy efficiency standards. To address this critical issue, facilitate worldwide green and low-carbon transformation in construction practices and improve the thermal ...
Zhe Zhang, Yiru Hou, Yi Wang
doaj   +1 more source