Regarding themain cable erectionof special big Highway Bridge (PPWS is used for erection of main cable of bridge ) as the background, The hauling in distance and weight are all domestic first. 论文以特大跨径悬索桥主缆架设施工为背景(主缆采用PPWS法架设),针对主缆索股数量多、重量大、长距离牵引...
Wire diameter ÷ 2 = 1.25X1.25X3.14 = square number X number of wires X0.89X copper price + 10% processing fee at that time. Cost price calculation formula for rubber cable Square X1.83 = weight of copper X copper price at the time + rubber price (weight X 0.4 yuan / kg) = cost ...
In summary, the cable must have a yield strength of 620 MPa and a safety factor of 3 to support 5 buckets, each carrying 5,429.554 kg. The total weight that the cable must support is 27,147.77 kg. Using the stress and area formula, the diameter of the cable is calculated to be ...
Suspended cable subject to self-weight and axial tension. Cable deformation parameters. However, in the modeling of the structural behavior of a cable, some simplifications are possible, which still result in an accurate calculation of the cable profile and tension....
Suspended cable subject to self-weight and axial tension. Cable deformation parameters. However, in the modeling of the structural behavior of a cable, some simplifications are possible, which still result in an accurate calculation of the cable profile and tension....
A formula is derivedfor the non-stress cable length of suspension bridges as completed with integration method. With the principlethat the length of non-stress cable for each span remains constant under non-load cable state of a completedbridge, the calculation method is established for determining...
Similarly, the value L is also set implicitly by a constraint, whereas the calculation of N and S is straightforward:forall(t in Positions). sum(p in Cablestarts) cableIsStoredAtPosition[p,t] <= M; forall(p in Cablestarts). maximum[p] - minimum[p] - 1 <= L; N == sum(s in ...
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Therefore, the slack calculation and control during the laying process can be regarded as the whole, consisting of the numerous time periods (ΔT). At this time, the slack can be calculated from the length formula transfer into speed calculation formula: (6.3)Slack=Cabledischargespeed−Cable...
Numerical calculation model. The Mohr-Coulomb yield criterion is used in the calculation process. The physical and mechanical parameters of coal and rock mass and joints in the model are shown in Tables 1 and 2, respectively. The parameters of coal and rock mass are obtained on the basis of...