According to the results of tests in this research, it is clear that the compressive strength of the concrete made with the combined cementitious materials is near that of the concrete made with the high early strength Portland cement only. However, the alkali-aggregate reaction in the concrete ...
An important step in the development of strength of materials was taken with the publication in 1826 by L. Navier of the first course on this subject. The course contained a systematic presentation of the theories used in analyzing structures and structural elements. The research of A. de Saint...
Finally, the effect of temperature and strain rate upon material removal and cracking threshold was analyzed, using recent experimental compressive strength and crack growth measurements as inputs to current predictive models. The results are shown to have surprising implications with regard to dynamic,...
of the component. Thus, the strength of a material is the maximum nominal stress it can sustain. The nominal stress is referred to in quoting the "strength" of a material and is always qualified by the type of stress, such as tensile strength, compressive strength, or shear strength. ...
Also, binary usage of nano particles; (NS+NC) had a remarkable improvement appearing in concrete compressive strength than using the same percentage of single type of nano particles. This improvement can be attributed to the reaction of nano materials with calcium hydroxide Ca(OH)2 crystals, ...
The compressive strengths can be assessed by Eq. (2), and shown in Fig. 4. Compared with the results of the control group, the mold impacted on thick- and thin-strip glubam obviously. G1 and G2l specimens have a strength degradation after the first 14-day fungal tests, reaching 38.54...
” They are deliberately overloaded with the particular force that acts against the property or strength to be measured. Changes in form are measured to the millionth of an inch. Static tests are conducted to determine a material's elastic limit, ductility, hardness, reaction to temperature ...
Compressive forces stabilize microtubules in living cells Microtubules respond to mechanical compression by deforming, becoming more stable, which results in CLASP2 recruitment to the distorted shaft—a process crucial for cell migration through confined spaces. ...
Materials testing - Fatigue, Strength, Durability: Materials that survive a single application of stress frequently fail when stressed repeatedly. This phenomenon, known as fatigue, is measured by mechanical tests that involve repeated application of dif