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# Building

App Description Size head (square) area calculation formula: $$S=(a+b+a1+b1) H$$ In the formula: a, b---big head, A1, b1---small h.......
App Description Calculate the area of the triangle: the length of the known three sides It is known that the three sides of the tr.......
App Description Round grading pit $$V= \frac {1}{3} πH(r^2+r^2+R \cdot r)$$ or $$V=π(R^2H+RKH^2+ \frac {1}{3} K^2H^3)$$ r——Circula.......
App Description Truncated straight cone calculation $$C=πl(R+r)$$ $$F= \frac {π}{2} [l(D+d)+ \frac {1}{2} (D^+d^2)]$$ $$V= \frac ....... App Description Calculation formula for the volume of excavation, grading and no working face: \(V=L(A+KH)H$$ In the formula: V——.......
App Description Calculation of deflection of solid rectangular beam Calculation of deflection of hollow rectangular beam Cal.......
App Description The formula for calculating the volume of the truncated square vertebral body: $$V= \frac {h}{6} [ab+(a+a')(b+b')....... App Description Rectangular quadrilateral grading pit volume  V=(A+KH)(B+KH)H- \frac {1}{6} KH²(3B+2KH)  or  V=A \cdot B \cd....... Concrete Online Calculator App Description Concrete calculator, enter the value and the result will be displayed. Usage example In....... App Description The table calculation formula: \(C=2πrh$$ $$F=π(2rh+a^2+b^2)$$ $$V= \frac {πh}{6} (3a^2+3b^2+h^2)$$ \(r^2=a^2+( \f.......
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