Researchers engineered a robotic folding sheet that can crawl across a surface as well as grasp and lift various objects.
Category: Engineering
-
Robotic folding sheet can crawl and pick up items
-
Machine learning approaches for predicting the structural number of flexible pavements based on subgrade soil properties
The primary objective of this study is to develop and evaluate four machine learning algorithms namely random forest, extreme gradient boosting, gradient boosting, and K nearest neighbors for predicting the total structural number of flexible…
Continue Reading
-
Integrated porosity estimation of partially saturated sand–hematite mixtures using electrical resistivity and elastic wave velocity
Chen, Q. et al. Strength and deformation of tailings with fine-grained interlayers. Eng. Geol. 256, 110–120 (2019).
De Lima, R. E., de Lima Picanço, J., da Silva, A. F. & Acordes, F. A. An…
Continue Reading
-
Measurement analysis of strata deformation caused by construction of quasi-rectangular shield
Ground settlement changes over time
Figure 8 shows the ground settlement curves of DM5, DM10, DM30 and DM35. In this paper, according to the spatial location relationship between the shield cutter plate and each monitoring section, and combined…
Continue Reading
-
Identification of flood vulnerability areas using analytical hierarchy process techniques in the Wuseta watershed, Upper Blue Nile Basin, Ethiopia
Flood vulnerability factors
Slope
Slope plays a vital role in flood vulnerability mapping29,30 as it directly affects surface runoff, precipitation dynamics, and the speed at which water flows over the land surface31,32. Areas with low slopes,…
Continue Reading
-
Composition analysis of ultrapyrolytic recycled products from various brands of ultra-heavy mining truck waste tires
Materials
Off-the-road (OTR) ultra-heavy mining waste tires
Steel radial OTR tires are the standard choice for mining dump trucks, valued for their great strength, cut and heat resistance, and load-bearing capabilities. Engineered with advanced…
Continue Reading
-
Investigation of parallel joint density thresholds for granite tunnel failure based on physical model experiments and multiscale monitoring techniques
Hao, X. J. et al. Effects of the major principal stress direction respect to the long axis of a tunnel on the tunnel stability: physical model tests and numerical simulation. Tunn. Undergr. Sp Tech. 114, 103993.
Continue Reading
-
Impact of precursor materials and activator interactions on the microstructural and mechanical properties of one part alkali activated concrete
Compressive strength results
Figure 2 presents the compressive strength results of slag-based mixes with different activators, namely sodium silicate, sodium hydroxide, sodium carbonate, and a combination of sodium silicate and sodium carbonate,…
Continue Reading
-
Experimental study of strength degradation in fractured surrounding rock of deep high-temperature tunnels
Microscopic damage characteristics of high-temperature rock specimens
Extant studies have demonstrated that the microstructure of rock specimens undergoes significant changes when subjected to high temperatures21. Under ambient temperature…
Continue Reading
-
Novel SMA BASED Elmanspiking neural network modelled fuzzy PI controller for speed-torque regulation of PMSM
Figure 2 presents the proposed architecture of the Elman spiking neural network model. The new Elman spiking neural network model is a modified form of classic Elman model along with a specific kind of partial recurrent spike. The new ESNN model…
Continue Reading