Results 81 to 90 of about 87,249 (169)

A Study of the Impact Resistance of Rubber Concrete at Low Temperatures (−30°C)

open access: yesAdvances in Civil Engineering, 2019
In the present study, the impact resistance of rubber concrete at low temperatures (−30°C) was examined. The initial and ultimate crack impact times and the ductility indexes were evaluated.
Gang Xue, Jia-xiang Liu, Mei-ling Cao
doaj   +1 more source

Spartan Daily, September 27, 1985 [PDF]

open access: yes, 1985
Volume 85, Issue 21https://scholarworks.sjsu.edu/spartandaily/7342/thumbnail ...
San Jose State University, School of Journalism and Mass Communications
core   +1 more source

Spartan Daily, April 26, 1978 [PDF]

open access: yes, 1978
Volume 70, Issue 53https://scholarworks.sjsu.edu/spartandaily/6345/thumbnail ...
San Jose State University, School of Journalism and Mass Communications
core   +1 more source

Back Cover: Hot Spot Formation in Mock Materials in Impact Sensitivity Testing by Drop Hammer (Prop., Explos., Pyrotech. 11/2017) [PDF]

open access: yesPropellants, Explosives, Pyrotechnics, 2017
John G. Reynolds   +4 more
openaire   +1 more source

Damage detection of Carbon Fibre Reinforced Polymer (CFRP) tubes subjected to low-velocity transverse impact

open access: yesNext Materials
CFRP composites are extensively used in aerospace, mechanical, and civil infrastructure due to their high strength-to-weight and stiffness-to-weight ratios.
Revanth Dugalam, Guru Prakash
doaj   +1 more source

Bolt installation and removal tool Final report [PDF]

open access: yes
Bolt installation and removal tool for space stations and underwater ...

core   +1 more source

An Evaluation of eScience Lab Kits for Online Learning [PDF]

open access: yes, 2017
Higher education online science courses generally lack the hands-on components essential in understanding theories, methods, and techniques in chemistry and biology. Companies like eScience Labs construct kits to facilitate online learning, which provide
Orozco, Diana
core   +1 more source

Effects of fiber/matrix interactions on the properties of graphite/epoxy composites [PDF]

open access: yes
A state-of-the-art literature review of the interactions between fibers and resin within graphite epoxy composite materials was performed. Emphasis centered on: adhesion theory; wetting characteristics of carbon fiber; load transfer mechanisms; methods ...
Mcmahon, P. E., Ying, L.
core   +1 more source

Analysis of the Prestressing Loss Influence in Prefabricated Concrete Bridges Based on a Drop Weight Impact Method

open access: yesBuildings
The prestress loss of prefabricated continuous beam bridges directly affects their stress state and operating conditions. Excessive prestress loss can lead to increased mid span deflection of the main beam, cracking of the web and bottom plates, reduced ...
Jilei He   +5 more
doaj   +1 more source

Axial Crush of Strengthening Structural Members with Various Hat-Shaped Cross-Sections. 1st Report, Impact Test by a Drop Hammer.

open access: yesTRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A, 2002
Minoru YAMASHITA   +3 more
openaire   +2 more sources

Home - About - Disclaimer - Privacy