A construction method for high-efficiency preloading of tower column beam support
A technology of beam support and construction method, which is applied in bridges, bridge construction, erection/assembly of bridges, etc., can solve problems such as heavy workload and difficult realization, and achieve the effect of saving cost, facilitating construction and facilitating high-altitude operations.
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[0034] Such as Figure 4 As shown, the dimensions of the beam 2 between the two pylons 1 of the cable-stayed bridge in this embodiment are: a=6.0m, b=3.0m, h=2.0m. The beam is 81.5m away from the bridge deck. In order to pour the concrete of the beam 2 , the supports 3 of the beam 2 need to be preloaded.
[0035] In order to preload the bracket 3 of the beam 2 simply, quickly and effectively, the method of the present invention is used to preload the bracket 3, and the construction is carried out according to the following steps:
[0036] S1 makes the saddle 4, the support frame 5 and the tension steel pad 7; the saddle 4 includes the saddle seat 4a and two saddle side plates 4b, the two ends of the top surface of the saddle seat 4a are curved surfaces, and the saddle side plate 4b is welded to Both sides of the saddle seat 4a; the support frame 5 includes a horizontal bar 5a, a vertical bar 5b and a bottom steel plate 5c, the vertical bar 5b is welded to the bottom of the h...
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