Observing the pore pressure curves in the figure, it can be seen that after starting to heat the test blocks, the pore pressure of all the test blocks at the measurement points showed a trend of first rising and then falling, which is because with the increase in temperature, the free water and chemical water near the measurement points evaporated into water vapor, and the water vapor gradually accumulated in the closed micro-pore structure inside the concrete, resulting in the gradual increase in the pore pressure in the micro-pore structure, and a continuous increase in the pore pressure.
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It was found that the internal pore pressure of the paste showed a decreasing trend as the water–binder ratio and fly ash admixture increased, and the numerical simulation found that the sprouting and development of cracks were delayed when 10% fly ash was added to the cement paste, which was consistent with the experimental results.
As the working voltage increases, the surface quality and comprehensive performance of the coating show an increasing trend followed by a decreasing trend.
From the change in the stress magnitude of the frame parts under different processing strategies, as shown in Figure 11 , the top compressive stress of the frame wall showed a trend of decreasing and then increasing as more material was removed from the top.
Quite significant differences in dependency ln σ DC (1000/ T ) (consisting of an increase in electrical conductivity) between the PP and PP-F samples are observed for 1000/ T , in the temperature range 330–500 K (57–227 °C), which denotes significant differences in electrical conductivity near the phase-transition temperature.
Conversely, the significant difference between groups AD0 and AD4 was weakly significant, with a p -value of 0.03.
Tensile strength shows a decreasing trend with B added, and the effect is more significant when Mn and Cu are co-added, as the increased pearlite fraction due to the addition of these elements has a greater influence.
When the dosage of biochar exceeded 5 wt%, the compressive strength of biochar concrete began to show a decreasing trend but remained higher than CK.
Elongation, which is the opposite of strength, shows an increasing trend with B added, and, similar to other properties, the effect is more pronounced when Mn and Cu are co-added.
The figure shows that the concrete bearing capacity showed a decreasing trend with the increase in rubber aggregate admixture.
On the contrary, the E-50 concrete did not exhibit a decreasing trend with the number of recycling, which demonstrates the effectiveness of the EMV method combined with a certain range of RCA replacement ratio.
The 5th level vortex density of the riblet surface no longer showed a decreasing trend when the Reynolds number increased to Re3, demonstrating that the drag reduction effect was weakened at this Reynolds number.
Under the same confining pressure and different seepage pressures, the permeability coefficient of the sample decreases with increasing seepage pressure (the red and blue lines in Figure 3 both show a decreasing trend).
There is an increasing trend toward the adoption of functional toothpaste formulations for routine oral health maintenance.
Initially up to 60 cycles, UPV values showed an increasing trend for some mixes in both longitudinal/transverse directions and then showed a definite decreasing trend at a higher number of cycles of up to 300, exhibiting progressive freeze–thaw deterioration of specimens ( Table 6 ).
The springback of the cylinder bottom fillet occurred along the rolling direction, and there was an increasing trend with every 45° decrease.
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In previous studies, a clear trend was identified where the compressive strength and tensile strength decrease and chloride penetration increases with increasing number of recycling, which is consistent with the results of the C-100 and E-100 concretes in this study.
Beyond 60 cycles, a decreasing trend in mass change led to mass loss ( Figure 4 ) associated with a decreasing trend of RDME values ( Figure 5 ) exhibiting freeze–thaw deterioration, which was supported by the decreasing trend of UPV ( Table 6 ).
AAMs/AAECs/control mortar FPcM/ECC showed a trend of mass gain at later ages (56d and 90d) under continuous water curing ( Table 3 ) and a trend of mass loss under ambient curing after 28 days ( Table 4 ).
When the fiber content does not exceed 1.6%, the flexural-to-compressive strength ratio and tensile-to-compressive strength ratio of PVAEGC show an increasing trend; when the fiber content continues to increase, the ratios of some specimens decrease.
M 6 C carbides with respect to the molybdenum content have a decreasing trend during the ferrite phase’s transformation to the austenite phase at approximately 800 °C.
From Figure 5 b, it can be seen that with an increase in the adhesive concentration, the dry and wet strength of wet wipes showed an increasing trend.
Mechanical Properties As shown in Figure 5 a, with the content increase in Lyocell fiber, the tensile strength of the web increased first and then showed a decreasing trend.
The nested design ANOVA results ( Table 2 ) revealed that the effect of CLT composition (wood species used in the panel) is highly significant, while the effect of lamellas within those panels did not significantly affect the MOR of the specimens.
With the increase in steel slag content, the Si-O-Si bridging oxygen quantity gradually increased, and the Al-O-Al, Al-O-Fe, Fe-O-Fe bridging oxygen quantity decreased obviously, while the Al-O-Si and Si-O-Fe bridging oxygen quantity showed a decreasing trend, but the decreasing quantity was very small.