Volume 17, Issue 3 (2024) | American Journal of Engineering and Applied Sciences

Defect Classification of Reinforced Concrete Structures with Nondestructive Tests Using Statistical and Machine Learning Methods

Sajjad Sayyar-Roudsari — 2024-06-11

American Journal of Engineering and Applied Sciences, Published online: 11 June 2024; doi:10.3844/ajeassp.2024.102.115

In this study, twelve reinforced concrete beams were constructed, each with specified dimensions and initial compressive strength. The beams were divided into four groups: A control group without any ...

Additive Manufacturing in the Aerospace Industry

Lidong Wang — 2024-06-12

American Journal of Engineering and Applied Sciences, Published online: 12 June 2024; doi:10.3844/ajeassp.2024.116.125

The main advantages of Additive Manufacturing (AM) of metals in the aerospace industry are part consolidation; the reduction of lead time, the construction of complicated structures easily with a grea...

Experimental Study of Diesel Engine Generator Performance and Emission Characteristics Using a Mixture of Jatropha Oil and Rubber Seed Oil Biodiesels Along a Two-Step Transesterification

Fana Gebremedhin Gebremichael — 2024-07-01

American Journal of Engineering and Applied Sciences, Published online: 1 July 2024; doi:10.3844/ajeassp.2024.126.135

This study investigates the performance and emission properties of engine-generator powered using various dual biodiesel mixes prepared from two inedible feedstock jatropha and rubber. Jatropha and ru...

Case Study on the Effects of Plan Irregularities on Seismic Performance of Structures

Eduardo Flores — 2024-07-21

American Journal of Engineering and Applied Sciences, Published online: 21 July 2024; doi:10.3844/ajeassp.2024.136.141

Geometric configurations, such as large openings, re-entrant corners, and discontinuity in diaphragms, are very common in architectural design but are seen as undesirable for structural performance du...

Exploring the Impact of Incorporating Fine-Grained Materials on the Resistance Characteristics of Cement-Reinforced Clay

Sayed Amirhossein Hosseini Chaleshtori — 2024-08-13

American Journal of Engineering and Applied Sciences, Published online: 13 August 2024; doi:10.3844/ajeassp.2024.142.154

This study, conducted with meticulous attention to detail, examined the influence of fine-grained materials on the resistance components of clay, with and without cement reinforcement. Micro-silica, p...