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Long-span concrete prismatic surface arch reticulated shell roof structure and manufacturing method thereof

A concrete and prismatic surface technology, applied in roofs, building components, building structures, etc., can solve the problems of low difficulty in formwork and support, and achieve the effect of reducing acoustic treatment costs, simple formwork support, and ensuring construction quality.

Pending Publication Date: 2018-04-10
GUIZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention aims to provide a new type of large-span concrete prismatic surface arch reticulated shell roof structure and its manufacturing method, which are used in large-span industrial and public construction projects such as warehouses, exhibition halls, auditoriums, etc., and have high rigidity, high bearing capacity, and durability. And the advantages of good fire resistance, formwork and support are low, so as to overcome the shortcomings of the existing concrete cylindrical thin shell structure and reticulated shell structure

Method used

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  • Long-span concrete prismatic surface arch reticulated shell roof structure and manufacturing method thereof
  • Long-span concrete prismatic surface arch reticulated shell roof structure and manufacturing method thereof
  • Long-span concrete prismatic surface arch reticulated shell roof structure and manufacturing method thereof

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Embodiment 1

[0035] Embodiment 1 of the present invention: adopt cast-in-place concrete mode to make, refer to figure 1 with figure 2 , the specific implementation steps are:

[0036](1) Bind the steel bars of the anti-push rod 7 and the side frame column 8 and place the formwork thereof, and pour concrete to the beam bottom elevation of the side frame beam 6 .

[0037] (2) Bind the steel bars of the gable frame column 12 and the gable frame interlayer beam 13 and place the formwork, and pour concrete to the beam bottom elevation of the gable frame top beam 14 .

[0038] (3) help tie the reinforcing bars of side frame beam 6 and gable frame top beam 14, and place its side form;

[0039] (4) Set up the scaffolding of the whole hall, place the bottom form of the main broken line arch 1, the ridge beam 2, the transverse rib beam 3, the longitudinal rib beam 4, the gutter rib beam 10 and the gutter sealing beam 9, and place the steel bars of the above components after binding The bottom fo...

Embodiment 2

[0043] Embodiment 2 of the present invention: adopt prefabricated assembly mode to make roof, concrete implementation steps are:

[0044] (1) see Figure 11 with Figure 12 , the prefabricated roof panel 5 and the cross composed of transverse rib beams 3 and longitudinal rib beams 4 are used on the ground. When the cross is made, the concrete within the thickness δ range of the roof panel 5 is not poured. At the central node of the cross, each side of the concrete needs to protrude from the side of the rib by not less than 50mm, which is used for placing the prefabricated roof panel 5 after it is in place.

[0045] (2) see Figure 13 with Figure 14 , Prefabricate the gable frame column 12 and the gable frame beam 13 on the ground, wherein the top of the gable frame column 12 is embedded with an embedded part 15 matched with angle steel and bolts, for the temporary support of the gable frame beam 13 in place when the gable frame is assembled.

[0046] (3) see figure 1 wit...

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Abstract

The invention discloses a long-span concrete prismatic surface arch reticulated shell roof structure and a manufacturing method thereof. The prismatic surface of the structure is internally connectedto a round curve face, after a giant cylindrical bearing grid is formed by a main folding arch and a regression line beam, dense rib flat plates are divided in the giant grid, roof slope toes are supported on a side frame beam, after a gutter is formed to bear roof thrust by cooperating with the side frame beam, the thrust is transmitted to an anti-thrust structure composed of an inclined rod anda side frame column, and a roof end is supported on a gable wall frame. Manufacturing of the structure can adopt a total cast-in-place concrete mode or prefabricated method. The long-span concrete prismatic surface arch reticulated shell roof structure is applied to roofs of buildings such as warehouses, convention and exhibition and auditoriums, and has the advantages of being good in durability,high in rigidness, high in bearing capacity, low in construction cost and the like.

Description

technical field [0001] The invention belongs to the technical field of building concrete structures, and in particular relates to a structural form and a manufacturing method for building a large-span prismatic arched reticulated shell with reinforced concrete materials. Background technique [0002] Concrete cylindrical thin shell structure is one of the earlier thin-walled spatial structure forms, which consists of three parts: shell plate, edge beam and diaphragm. The mechanical performance of the shell between the two diaphragms is similar to that of a circular-arc cross-section beam, and the diaphragm needs to form an effective constraint on the shell. Therefore, in a long-span roof structure, the cross-sectional dimensions of the diaphragm and edge beam required by the shell Both are large, which will affect the use of building space. When the spacing of the diaphragm is smaller than the wave width, the thin cylindrical shell will have an arch effect, and the large th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B7/10
CPCE04B7/10E04B7/105
Inventor 张华刚张钰吴琴陈红鸟卢亚琴柳勇斌朱锐张鑫唐攒辉刘艳君
Owner GUIZHOU UNIV
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