Cast-in-situ support for No.0 blocks of suspension pour continuous beams and method for erecting cast-in-situ support
A technology for steel pipe supports and box beams, which is applied in bridge construction, bridges, bridge materials, etc., can solve problems such as support design and construction difficulties, and ensure beam elevation and concrete quality, high rigidity and stability, and easy installation and operation. Effect
Pending Publication Date: 2017-12-29
THE 8TH GRP OF CHINA RAILWAY 1ST ENG CO LTD
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Problems solved by technology
When the spiral steel pipe support is used for erecting the frame, the layout position of the spiral steel pipe may conflict with the temporary support steel pipe of the continuous beam, resulting in difficulties in the design and construction of the support
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Embodiment Construction
[0037] The present invention will be further described below in conjunction with the accompanying drawings.
[0038] see figure 1 , figure 2 , image 3 with Figure 4 A suspended irrigation continuous beam 0# block falling type steel pipe support shown includes a steel pipe three-dimensional frame arranged on the cap 1 of the bridge pier 2, an outer transverse distribution beam 9 and an inner transverse distribution beam 10 arranged at the upper end of the steel pipe three-dimensional frame A plurality of longitudinal distribution beams 11 are arranged above the outer transverse distribution beam 9 and the inner transverse distribution beam 10, and the plurality of longitudinal distribution beams are located under the bottom plate 30 of the box girder 3, and above the plurality of longitudinal distribution beams are arranged Box girder bottom mold support assembly 14; a plurality of longitudinal beams 12 are respectively arranged on the two ends of the outer transverse dis...
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The invention relates to a free-fall steel pipe support for No.0 blocks of suspension pour continuous beams. The free-fall steel pipe support comprises a steel pipe stereoscopic frame, outer transverse distribution beams and inner transverse distribution beams. The steel pipe stereoscopic frame is arranged on a bearing platform of a bridge pier, the outer transverse distribution beams and the inner transverse distribution beams are arranged at the upper end of the steel pipe stereoscopic frame, a plurality of longitudinal distribution beams are arranged on the outer transverse distribution beams and the inner transverse distribution beams and are positioned below a bottom plate of a box beam, and box beam bottom form support assemblies are arranged on the multiple longitudinal distribution beams; a plurality of longitudinal beams are further arranged at two ends of each outer transverse distribution beam, the longitudinal beams are positioned below the projection of flange plates of the box beam, and box beam side form and flange support assemblies are arranged on the multiple longitudinal beams. The invention further provides a method for erecting the free-fall steel pipe support which is a cast-in-situ support for the No.0 blocks of the suspension pour continuous beams. The free-fall steel pipe support and the method have the advantages that the free-fall steel pipe support is good in integrity and high in rigidity and stability, settlement phenomena can be prevented during cast-in-situ construction, and accordingly the elevation of beam bodies and the quality of concrete can be guaranteed; existing hanging basket members can be utilized to the greatest extent, and the free-fall steel pipe support further can be used as a continuous beam for temporary consolidation.
Description
technical field [0001] The invention relates to a long-span bridge engineering, in particular to a cast-in-place support for a 0# block of a continuous girder with suspended irrigation and a method for erecting the same. Background technique [0002] In bridge construction, there are various construction methods of cast-in-place continuous beams, and continuous beams spanning special terrains are mostly constructed by hanging basket irrigation. In the construction of hanging basket suspension irrigation, the cast-in-place of 0# block support is particularly important Part of the 0# block must be poured first. Generally, the 0# block is poured by the full hall bracket method. After the strength reaches the specified value, the 0# block is used as the operating platform, and construction machinery, hanging baskets, etc. are installed on it for symmetrical pouring or assembly of block 1 and block 2, etc. Wait. Generally, the quality of 0# blocks is very large, and the concret...
Claims
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IPC IPC(8): E01D21/10E01D101/24
CPCE01D21/10E01D2101/24
Inventor 李超戴俊男陆斌曾华彬吴限耿立明蔡郗简训周鑫
Owner THE 8TH GRP OF CHINA RAILWAY 1ST ENG CO LTD