Construction method of super-height large-span steel concrete beam hanging structure
A technology of concrete beams and construction methods, applied in the direction of structural elements, elongated structural components for load-bearing, building components, etc., to achieve the effect of improving construction efficiency and saving space
Active Publication Date: 2022-03-25
CHINA CONSTR SECOND ENG BUREAU LTD
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[0003] The invention provides a construction method for the suspension structure of super-height and large-span steel concrete beams, which is used to solve technical problems such as the installation of prefabricated building steel structure columns, the hoisting, support and protection of large-span and heavy-weight steel beams in building atriums
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[0042] Taking a certain project as an example, the overall construction area is about 60,000 square meters, of which there are 7 floors above the ground, the building structure height is 32.5m, and 3 floors underground. The aboveground steel structure of this project mainly consists of steel pipe concrete columns and rigid steel structure column beams. The overall tonnage of the aboveground steel structure construction is about 800 tons, of which the steel pipe column tonnage is about 680 tons, and the steel beam tonnage is about 120 tons. The atrium (9) area is 40 meters high, six stories high, with a large span of 17.4 meters, and a single steel concrete beam weighing about 36 tons. Therefore, it is necessary to carry out construction through the suspension structure of super-height and large-span steel concrete beams.
[0043] Such as Figure 1 to Figure 8 As shown, the suspension structure of super-height and large-span steel concrete beams includes steel structure column...
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The invention discloses a construction method of an ultra-high large-span steel concrete beam hanging structure. The ultra-high large-span steel concrete beam hanging structure comprises steel structure columns arranged at intervals, steel concrete beams vertically connected between the steel structure columns and floor slab layers connected between the steel concrete beams. The steel structure columns, the steel concrete beams and the floor slab layers form a large-span high-rise building body, and a court is arranged on the building body; the top of the atrium is in full-length connection with a steel concrete beam. Through the arrangement of the steel concrete beams, high-altitude large-span connection of the steel concrete beams can be guaranteed through the bearing capacity of the steel concrete beams; through the arrangement of the hanging frame, butt joint of the steel concrete beam and the steel column is facilitated, and a mounting space is provided for the erecting formwork through the hanging frame; the installation space is provided for the supporting frame through the arrangement of the upstairs cantilever bearing plate of the floor layer, vertical simultaneous construction in the reverse building method construction process is facilitated, and the construction efficiency is improved.
Description
technical field [0001] The invention belongs to the technical field of building construction, and in particular relates to a construction method for a super-height and large-span steel concrete beam suspension structure. Background technique [0002] With the rapid development of the construction industry, more and more ultra-high and large-scale construction projects continue to appear, and the steel-concrete composite structure is widely used in high-altitude and long-span building structures. However, due to the large span, heavy weight and high altitude of such components, it brings unprecedented challenges to the construction of concrete structures. In order to solve the problems of high-altitude and large-span steel-concrete girder formwork construction difficulty, high construction cost, and difficult safety protection, targeted design is required. Contents of the invention [0003] The invention provides a construction method for a super-height large-span steel co...
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IPC IPC(8): E04B1/342E04C3/293E04G21/16E04G21/32
CPCE04B1/342E04C3/293E04G21/162E04G21/3266
Inventor 黄磊磊李敏王永刚袁星王海波杨蒋文魏钰丛震
Owner CHINA CONSTR SECOND ENG BUREAU LTD