Canvas Widgets
Canvas Widgets https://labellota02.tistory.com/entry/Canvas-Widgets
rhs command
The rhs() ("right hand side") command allows to retrieve the result of an equation in exactly the format a function would have:
rhs() ("right hand side") 명령을 사용하면 함수의 형식과 정확히 일치하는 방정식의 결과를 검색할 수 있습니다:
Values:[
/* m=1.2 tons */
m=1.2*10^3,
/* 100 km/h*/
v=100*10^3/(60*60)
];
Energy:W=1/2*m*v^2;
at(Energy,Values);
W_mech:rhs(%);
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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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