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Upturned beam and cast-in-place slab overall pouring construction method

A construction method and integral pouring technology, applied in formwork/formwork/work frame, floor, building, etc., can solve the problem of reducing the integrity and bending resistance of frame beams, cracking of horizontal construction joints, shear cracking of horizontal construction joints, etc. problems, to achieve the effect of good beam-slab structure integrity and durability, meet the structural design requirements, and fast construction speed

Active Publication Date: 2014-06-25
SHANDONG GOLDENCITY CONSTR
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Problems solved by technology

This kind of construction method will leave the following major structural hidden dangers for the upturned beam: first, it cannot meet the design conditions for the fixed support of the cast-in-place slab at the upturned beam; second, it seriously reduces the integrity and bending resistance of the frame beam. The cracking of the horizontal constru

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  • Upturned beam and cast-in-place slab overall pouring construction method

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Embodiment Construction

[0024] The present invention will be further described below in conjunction with accompanying drawing and embodiment:

[0025] Such as figure 1 As shown, the integral pouring construction method of the upturned beam and cast-in-place slab of the present invention takes the following steps:

[0026] 1) Installation of the cast-in-place slab and the bottom formwork of the upturned beam: install the main formwork 2 and the secondary formwork 3 on the formwork support system 4, and lay the cast-in-place slab formwork panel 1 and the formwork panel at the bottom of the upturned beam on the formwork secondary formwork 3 twenty one;

[0027] 2) Positioning and setting out of the side formwork of the upturning beam: measure the position of the sideform of the upturning beam on the panel 21 of the bottom formwork of the upturning beam and position and set out the lines;

[0028] 3) Binding of steel bars for cast-in-place slabs: Bind the upper reinforcement 17 of the cast-in-place sla...

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Abstract

The invention belongs to the technical field of structure construction, and particularly relates to an upturned beam and cast-in-place slab overall pouring construction method. The method includes the following steps that (1) a cast-in-place slab and an upturned beam are installed; (2) positioning and paying-off are carried out on a side die of the upturned beam; (3) steel bars of the cast-in-place slab are tied; (4) steel bars of the upturned beam are tied; (5) a supporting stirrup of the side die of the upturned beam is installed; (6) the side die of the upturned beam is installed; (7) split bolts and a latch steel tube of the side die of the upturned beam are installed; (8) a steel bar ground anchor is installed; (9) a die plate of the upturned beam is sideward supported and installed; (10) the side die of the upturned beam is corrected; (11) concrete pouring is carried out. Structure hidden risks caused due to the fact that construction joints are reserved in the cast-in-place slab through the upturned beam can be eliminated, and integrity of the beam and the slab and the anti-bending and shear-resistant performance are guaranteed.

Description

technical field [0001] The invention relates to a construction method for integral pouring of an upturned beam and a cast-in-place slab, and belongs to the technical field of structural construction. Background technique [0002] For high-rise frame or frame-shear structure residential buildings, the general design floor height is 2.9m. In order to increase the headroom height, the upturned beam structure is often used to make the bottom elevation of the frame beam equal to the bottom elevation of the cast-in-place slab. At present, the upper turning beam usually adopts pouring the cast-in-place slab concrete of the floor first, and after it reaches a certain strength, the horizontal construction joints are trimmed, and then the upper turning beam side form is installed and its concrete is poured. This kind of construction method will leave the following major structural hidden dangers for the upturned beam: first, it cannot meet the design conditions for the fixed support o...

Claims

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Application Information

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IPC IPC(8): E04B5/32E04G13/04
Inventor 贾华远贾毅司纪伟马冲齐斌张鹏
Owner SHANDONG GOLDENCITY CONSTR
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