Canvas Widgets
Canvas Widgets https://labellota02.tistory.com/entry/Canvas-Widgets
What is Horse Power
What is Horse Power
Horse, ower (hp) is a measurement of how much power an engine produces.
It's calculated by the force needed to move 550 pounds one foot in one second, or 33,000 pounds one foot in a minute.
For example, a single horse can raise a 33-pound bucket of water from the bottom of a 1,000-foot well in 60 seconds, which is equal to one.
DIN 66036 defines one metric horsepower as the power to raise a mass of 75 kilograms against the Earth's gravitational force over a distance of one metre in one second: 75 kg × 9.80665 m/s2 × 1 m / 1 s = 75 kgf ⋅m/s = 1 PS. This is equivalent to 735.49875 W, or 98.6% of an imperial horsepower.
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insert subscripts and superscripts inside a text region
insert subscripts and superscripts inside a text region Insert > Formular There is a shortcut Alt+=, but it does not work with the shortcut key while entering text in the text region. Insert > Formula
시멘트 콘크리트 설계기준 배합비
시멘트 콘크리트 설계기준 배합비 고속도로 건설재료 품질기준 (2019.12. 한국도로공사 도로교통연구원) http://qsti.re.kr/board/board_download.php?id=589&view_id=371
Temperature effects_maturity
In the CEB-FIP Model Code 90 , maturity is a concept used to predict the rate at which concrete gains strength based on temperature and time. Eq. (2.1-87) is used to calculate the maturity-adjusted time $$ t_T$ $ , which accounts for the effects of temperature on concrete's strength development. \( S=\int d^{4} x\left(\frac{R}{2 \kappa}\right) \) begin{eqation} S=\int d^{4} x\left(\frac{R}{2 \kappa}\right) end{equation} Definition of Equation (2.1-87): The maturity-adjusted time $$tTt_T tT$$ is calculated as: $$tT=∫t0texp[QR(1T0−1T(τ))]dτt_T = \int_{t_0}^{t} \exp \left[ \frac{Q}{R} \left( \frac{1}{T_0} - \frac{1}{T(\tau)} \right) \right] d\tau tT=∫t0texp[RQ(T01−T(τ)1)]dτ$$ Where: tTt_T tT = maturity-adjusted time (in days) tt t = real elapsed time (in days) t0t_0 t0 = start time for the calculation (usually 0) QQ Q = activation energy for hydration process, typically around 33,500 J/mo...
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