Zobrazeno 1 - 10
of 107
pro vyhledávání: '"Fengqi Guo"'
Publikováno v:
Meitan kexue jishu, Vol 52, Iss 4, Pp 12-27 (2024)
Coal gangue needs to be transported to the ground for further treatment in traditional underground mines, which not only occupies land spaces, but also causes atmospheric and environmental pollutions due to spontaneous combustion and rainwater leachi
Externí odkaz:
https://doaj.org/article/3979eb187f2847ed814071571baa6352
Publikováno v:
Taiyuan Ligong Daxue xuebao, Vol 55, Iss 2, Pp 223-230 (2024)
Purposes The intelligent filling of goaf is an important direction of green, safe, intelligent, and efficient mining of coal resources, and the key lies in intelligent decision-making and control of gangue-filling process in underground goaf. Methods
Externí odkaz:
https://doaj.org/article/3423b8b19b5c47b3a74a18630656b9b8
Publikováno v:
Case Studies in Construction Materials, Vol 21, Iss , Pp e03702- (2024)
The solar temperature field of steel-concrete composite girder bridges has a significant impact on structural stress. To evaluate the distribution of solar temperatures, this paper conducted analyses of the solar temperature field of the Xuefeng Lake
Externí odkaz:
https://doaj.org/article/3d7ca41a79574a4ca08b3384873d9ee8
Publikováno v:
Case Studies in Construction Materials, Vol 20, Iss , Pp e03232- (2024)
Different crumb rubber (CR) particle sizes affect asphalt performance differently. To improve the performance of CR in SBS/CR composite modified asphalt (SBS/CRMA) and to study the enhancement of SBS/CRMA performance with varying ratios of composite
Externí odkaz:
https://doaj.org/article/f7a7b16452b04207ab7190d84aa52238
Publikováno v:
Applied Sciences, Vol 14, Iss 16, p 7356 (2024)
Stage-built long-span bridges deform with temperature, affecting alignment to design needs. In this paper, a model for predicting temperature time series is proposed, which can predict temperatures in engineering practice and utilize the predicted re
Externí odkaz:
https://doaj.org/article/ce1e99fe5bb74bebba8d27ce7e3d3a5a
Publikováno v:
Mathematics, Vol 12, Iss 16, p 2581 (2024)
Accurately predicting wind speeds is of great significance in various engineering applications, such as the operation of high-speed trains. Machine learning models are effective in this field. However, existing studies generally provide deterministic
Externí odkaz:
https://doaj.org/article/6a4432efbbe84377bd6e662b3f17b31c
Publikováno v:
Mathematics, Vol 12, Iss 14, p 2197 (2024)
Accurate measurement of track irregularity and the corresponding spectrum is essential for evaluating the performance of transportation systems. Chord measuring methods can achieve fine accuracy but are limited by waveform distortion and a restricted
Externí odkaz:
https://doaj.org/article/e2f954a819f149bbb248a06248de04fa
Publikováno v:
Mathematics, Vol 12, Iss 13, p 2084 (2024)
Although seismic response predictions are widely used for engineering structures, their applications in electrical equipment are rare. Overstressing at the bottom of the porcelain insulators during seismic events has made power transformer bushings i
Externí odkaz:
https://doaj.org/article/a18257d5d58549b7bb59e722a829a816
Publikováno v:
Polymers, Vol 16, Iss 13, p 1929 (2024)
To enhance the properties of SBS and crumb rubber-modified asphalts, four different amounts (5%, 10%, 15%, and 20%) of castor oil were added to crumb rubber-modified asphalts to mitigate the adverse effects of high levels of fine crumb rubber particl
Externí odkaz:
https://doaj.org/article/55cbaa136c29449684616dcce45a520c
Publikováno v:
Mathematics, Vol 12, Iss 12, p 1910 (2024)
Predicting wind speed in advance at bridge sites is essential for ensuring bridge construction safety under high wind conditions. This study proposes a short-term speed prediction model based on outlier correction, Wavelet Denoising, the Osprey Optim
Externí odkaz:
https://doaj.org/article/5436bae96e61433187d9ff05806fc30d