Results 1 to 10 of about 175,843 (264)

The effect of variable cross-section of prestressed beams on the load-bearing capacity of the structure

Trudy Odesskogo Politehničeskogo Universiteta, 2022
This paper examines issues related to increasing the load-bearing capacity of span beams of bridge-type cranes by the method of prestressing. A new mathematical model of a bridge crane with prestressed beams has been developed, which is based on the ...
Ігор Валентинович Прокопович, Анатолій Вікторович Ткачьов, Олексій Анатолійович Ткачьов, Павло Ігорович Прокопович   +3 more
doaj   +5 more sources

Concurrent influence of geological parameters on the integrated nano-pore structure and discretized pore families of the petroliferous Cambay shale assessed through multivariate dependence measure

Frontiers in Earth Science, 2023
Heterogeneous nanopore structure and distribution regulate the gas trapping, desorption kinetics, and diffusion in shale matrices. In shale, pores range from continuous micro- and mesopore size distributions, varying with organic (total organic matter ...
Abinash Bal, Santanu Misra, Manab Mukherjee, Tapas Kumar Dutta, Debasis Sen, Abhijit Patra, Elangovan Raja   +6 more
doaj   +1 more source

A prediction model for surface deformation caused by underground mining based on spatio-temporal associations

Geomatics, Natural Hazards & Risk, 2022
Accurate predictions of the surface deformation caused by underground mining are crucial for the safe development of underground resources. Although surface deformation has been predicted by artificial intelligence (AI) methods, most AI models are ...
Min Ren, Guanwen Cheng, Wancheng Zhu, Wen Nie, Kai Guan, Tianhong Yang   +5 more
doaj   +1 more source

Bioinspired Additive Manufacturing of Hierarchical Materials: From Biostructures to Functions

Research, 2023
Throughout billions of years, biological systems have evolved sophisticated, multiscale hierarchical structures to adapt to changing environments. Biomaterials are synthesized under mild conditions through a bottom-up self-assembly process, utilizing ...
Jingjiang Wei, Fei Pan, Hang Ping, Kun Yang, Yanqing Wang, Qingyuan Wang, Zhengyi Fu   +6 more
doaj   +1 more source

Methods of creating prestress in span structures and features of their calculation.

Trudy Odesskogo Politehničeskogo Universiteta
The topic of the work is related to the possibility of investigating the influence of the curvature of a prestressed crane bridge on its bearing capacity.
Ігор Валентинович Прокопович, Анатолій Вікторович Ткачьов, Сергій Володимирович Мироненко, Олексій Анатолійович Ткачьов   +3 more
doaj   +5 more sources

The effect of thermomechanical processing on the piezoelectric and electrical conductivity of PLA/2.5%MWCNT composite

Journal of Materials Research and Technology, 2023
The electrical properties of polymer materials, such as electrical conductivity and piezoelectricity, are significantly influenced by the ratio of amorphous to crystalline regions. Additionally, the alignment of added particles and formed crystallites is
Sahar Shahparvar, Abbas Zarei-Hanzaki, Amirhossein Farahani, Roohollah Bagherzadeh, Hamid Reza Abedi   +4 more
doaj   +1 more source

Strain dependency of dynamic recrystallization during thermomechanical processing of Mg-Gd-Y-Zn-Zr alloy

Journal of Materials Research and Technology, 2022
The microstructure and microtexture of an extruded and annealed GWZ (Mg-8.2Gd-3.6Y-1.6Zn-0.5Zr, wt.%) magnesium alloy was recorded strain by strain in the course of thermomechanical processing.
Z. Aalipour, A. Zarei-Hanzaki, A. Moshiri, H.R. Abedi, Daudi Waryoba, A. Kisko, L.P. Karjalainen   +6 more
doaj   +1 more source

Pullout Characteristics and Damage Softening Model of the Geogrid-Soil Interface

Advances in Materials Science and Engineering, 2022
The mechanical properties of geogrid-soil interface is very important in design and stability analysis of reinforced soil structure. In order to study the complicated mechanism of geogrid-soil interface, a series of pullout tests of HDPE uniaxial tensile
Xiaoyong Liang, Jing Jin, Guangqing Yang, Xizhao Wang, Yitao Zhou   +4 more
doaj   +1 more source

Effect of crystallization process on the electrical, and piezoelectric properties of PLA scaffolds

Journal of Materials Research and Technology, 2023
This paper investigates the fabrication and characterization of piezoelectric properties in electrospun polylactic acid (PLA) scaffolds for tissue engineering applications.
Shima Hosseini, Abbas Zarei-Hanzaki, Hamid Reza Abedi, Amirhossein Farahani   +3 more
doaj   +1 more source

Experimental determination of deformation homogeneity and shear states using the digital image correlation method

Polymer Testing, 2021
One of the great challenges in the pure shear and simple shear tests is to maintain the deformation state and deformation homogeneity of a specimen under large deformations.
J.C.A.D. Filho, L.C.S. Nunes
doaj   +1 more source