Construction method of large cantilevered steel-concrete structure combined steel bar truss floor bearing plate

A technology of reinforced trusses and steel-concrete structures, which is applied to floors, building components, building structures, etc., can solve problems that affect the progress of the project, and achieve the effects of saving consumption, reducing a large amount of investment, and speeding up construction

Inactive Publication Date: 2020-11-13
中铁二局第三工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

With the rapid development of multi-story steel structures, the construction speed of traditional cast-in-place slabs obviously cannot keep up with the construction speed of the main steel structure, which affects the progress of the entire project

Method used

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  • Construction method of large cantilevered steel-concrete structure combined steel bar truss floor bearing plate
  • Construction method of large cantilevered steel-concrete structure combined steel bar truss floor bearing plate
  • Construction method of large cantilevered steel-concrete structure combined steel bar truss floor bearing plate

Examples

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Effect test

Embodiment 1

[0042] A construction method for a combined reinforced truss floor deck of a large cantilevered steel-concrete structure. The specific steps of the construction method for a combined reinforced truss floor deck of a large cantilevered steel-concrete structure are as follows:

[0043] Step 1. Assemble the truss floor deck, assemble in strict accordance with the drawings, use special connectors to assemble the galvanized bottom formwork and steel truss on site, and the distance between each row of stressed hooks is 20cm; select the corresponding truss and bottom formwork for assembly , use connectors to fix the four corners to ensure the overall stability. During the subsequent installation of the fixing parts, the metal hook and the rotary wrench are connected by a roller to form a movable whole. And pass through and fasten the steel bar of the truss web, the hook is a shaped processing member, the inner diameter is the same as the diameter of the steel bar of the truss web, so ...

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Abstract

The invention discloses a construction method of a large cantilevered steel-concrete structure combined steel bar truss floor bearing plate. The construction method of the large cantilevered steel-concrete structure combined steel bar truss floor bearing plate particularly comprises the following steps that truss floor bearing plate is assembled in strict accordance with a drawing, a galvanized bottom formwork and a steel bar truss are assembled on site through special connectors, and the spacing between each row of force hooks is 20 cm; and the corresponding truss and the bottom formwork areused for assembly, the connectors are used for fixation of four corners to ensure overall stability, then subsequent fixing parts are installed, during installation, the metal hooks and rotating wrenches are connected to form a movable whole through rollers, the hooks penetrate through holes reserved in advance on a bottom plate from bottom to top and buckle truss web member steel bars, the hooksare shaped processing components, and the inner diameter is the same as the diameter of the truss web member steel bars to ensure firm fastening. The steel bar truss floor bearing plate is processed in a factory and can be installed after simple and quick assembly on site. The construction is fast, and a site occupies a small space.

Description

technical field [0001] The invention relates to the technical field of steel bar truss floor decks, in particular to a construction method for a combined steel bar truss floor deck of a large cantilevered steel-concrete structure. Background technique [0002] In the construction industry, the current common concrete floor still adopts the traditional construction method of setting up support scaffolding, assembling formwork, and binding steel bars on site. With the rapid development of multi-story steel structures, the construction speed of traditional cast-in-place slabs obviously cannot keep up with the construction speed of the main steel structure, which affects the progress of the entire project. [0003] In steel structure engineering, in the past, profiled steel plate floor decks were usually used. The bottom form of this floor deck plate is a non-removable profiled steel plate, which is a one-time investment. This is incompatible with the current green environmenta...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B5/32E04G11/36E04G17/00E04G21/16E04G11/50E04G21/12E04G21/02
CPCE04B5/32E04G11/36E04G11/50E04G17/00E04G21/02E04G21/12E04G21/14
Inventor 郑海谭礼冬章伟袁轮雷震张海川
Owner 中铁二局第三工程有限公司
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