Guyed traveler for cable-stayed bridge and assembly method for guyed traveler
A cable-stayed bridge and assembling technology, which is applied in the direction of bridges, bridge construction, erection/assembly of bridges, etc., can solve the problems of inconvenient erection and dismantling, large number of support materials, and high lifting height of hanging baskets, so as to reduce the cost of lifting and installing risk, overcome the effect of high bridge deck height and narrow construction site
Active Publication Date: 2013-08-14
ROAD & BRIDGE SOUTH CHINA EINGINEERING CO LTD +1
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Problems solved by technology
However, the construction site of cable-stayed bridges in mountainous areas is narrow, and the height of the bridge deck from the ground is high, which can reach more than 100m. The amount of support materials required is too large, and the cost is high. Long; and the overall lifting height of the hanging basket is high, which poses a great safety risk
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[0030] Below in conjunction with accompanying drawing and specific embodiment, the assembling method of cable-stayed bridge suspension basket of the present invention is further detailed as follows:
[0031] refer to Figure 1-6 , at first, install the Bailey truss bracket 2 on both sides of the lower beam 11 of the cable tower 1 that has been built; secondly, use the Bailey truss bracket 2 as a work platform to pour the 0 of the cable-stayed bridge. -1# main beam 31, such as figure 1 As shown, the installation of the assembling platform (not marked) of the dragline hanging basket is completed so far.
[0032] The cable tower 1 also includes corbels 5 pre-buried on both sides of its lower beam 11 and temporary cables 4 arranged on its tower column. The bracket 2 makes full use of the structural characteristics of the cable-stayed bridge, and its rear end is fixed on both sides of the lower beam 11 of the cable tower 1 by using the corbel 5 and finished-rolled rebar (not show...
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The invention discloses a guyed traveler for a cable-stayed bridge. The guyed traveler comprises a front half portion and a rear half portion which can be assembled together to be in a B-shaped frame structure. The front half portion comprises a pair of parallel main longitudinal girders and a front cross girder and a middle cross girder which are arranged between the main longitudinal girders; and the rear half portion comprises a pair of parallel tail longitudinal girders and a rear cross girder which is arranged close to the rear ends of the tail longitudinal girders. An assembly method for the guyed traveler comprises mounting a supporting frame through a cable bent tower lower cross girder, building a girder 0-1# on the supporting frame, mounting a traveler assembly platform by using a temporary cable reserved on a tower column, assembling the front half portion of the traveler, and pouring a girder 0-2#; dropping the front half portion of the traveler, pushing and moving the front half portion forwards on the platform, and assembling the rear half portion of the traveler; and lifting the assembled traveler integrally, and anchoring and connecting the assembled travel with the girder 0-2#. According to the guyed traveler for the cable-stayed bridge and the assembly method for the guyed traveler, the construction is simple and convenient, costs are reduced, and safety risks are low.
Description
technical field [0001] The invention relates to a road and bridge construction technology, in particular to a cable-stayed bridge suspension basket and an assembly method thereof. Background technique [0002] A cable-stayed bridge is a bridge whose deck system is under compression and its support system is under tension. The deck system is composed of stiffened beams, and its support system is composed of steel cables. Since the Stromsun Bridge in Sweden opened the prelude to the construction of modern cable-stayed bridges in 1956, with the development of material science and computer science, a large number of cable-stayed bridges have been built at home and abroad, and their spans are gradually increasing. Cable-stayed bridges develop rapidly due to their large spanning capacity, good structural performance, simple construction, easy maintenance, low cost and light and beautiful appearance. The main feature of the cable-stayed bridge is to use the oblique cables drawn fr...
Claims
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IPC IPC(8): E01D21/10
Inventor 江俊波庄值政雷志超何志强张敬弦刘怀刚安邦
Owner ROAD & BRIDGE SOUTH CHINA EINGINEERING CO LTD
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