CN2923870Y - Large-span large-pillar-distance quasi-rib type building-cover type prestress steel-grid roofing - Google Patents

Large-span large-pillar-distance quasi-rib type building-cover type prestress steel-grid roofing Download PDF

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Publication number
CN2923870Y
CN2923870Y CN 200620200600 CN200620200600U CN2923870Y CN 2923870 Y CN2923870 Y CN 2923870Y CN 200620200600 CN200620200600 CN 200620200600 CN 200620200600 U CN200620200600 U CN 200620200600U CN 2923870 Y CN2923870 Y CN 2923870Y
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CN
China
Prior art keywords
prestressed
truss
span
steel
space tube
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 200620200600
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Chinese (zh)
Inventor
马克俭
张华刚
郑涛
卢亚琴
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Guizhou University
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Guizhou University
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Publication date
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Priority to CN 200620200600 priority Critical patent/CN2923870Y/en
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Publication of CN2923870Y publication Critical patent/CN2923870Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a quasi-ribbed floor type prestressed steel grid roof with large span and large column spacing, which comprises a pyramid plate type truss(1), a column(3), a prestressed spatial tube truss(2) equipped on the column(3). The pyramid plate type truss(1) is connected with the prestressed spatial tube truss(2). The utility model is mainly to solve large-span steel grid structure roof with large span(80 meters <= L <= 150 meters) and large column spacing(32 meters <= a <= 60 meters), and has the characteristics of small steel consumption and low engineering cost,etc.

Description

The large-span large-column distance quasi-ribbed floor type prestressed steel grid roof
Technical field:
The utility model relates to a kind of roof system, and (huge pillar of 80m≤L≤150m) is apart from (the quasi-ribbed floor type prestressed steel grid roof system of 32m≤a≤60m) for especially a kind of large span.
Background technology:
In the civil construction project construction, steel concrete rib type superstructure and prestressed concrete rib type superstructure are floor structural forms common in the engineering, but when the planar dimension and the post distance of building all increases by 5~8 times, and during indoor no post, if be insecure with steel concrete rib type superstructure and prestressed concrete rib type superstructure again.At present, (huge pillar of 80m≤L≤150m) is apart from (roof system of 32m≤a≤60m) generally adopt plate steel lattice structure, and must make three layers, but its steel using amount is bigger, reaches 100kg/m for this large span 2More than, construction costs is higher, is not best roof structure form.
Summary of the invention:
The purpose of this utility model is: provide a kind of large-span large-column distance quasi-ribbed floor type prestressed steel grid roof that not only satisfies intensity, the rigidity requirement of structure but also have the characteristics that steel using amount is little, construction costs is low, to overcome the deficiencies in the prior art.
The utility model is to constitute like this: it comprises the quadrangular pyramid plate net support, on the support column of roof system prestressed space tube truss is housed, and the quadrangular pyramid plate net support is connected on the prestressed space tube truss.
Prestressed space tube truss is the prestressing with bond space tube truss, and it is equipped with load transfer device on the lower edge middle part of pipe truss, and two ends were fixed on the support node that winds up of pipe truss after prestressed cable was positioned at the pipe truss and passes load transfer device.
Load transfer device is made of steel case, the pull bar that is contained in the fixed pulley in the steel case and is fixed on steel case bottom.
Roof system of the present utility model adopts prestressed space tube truss at the support column position, between prestressed space tube truss, adopt and just putting the quadrangular pyramid plate net support, form the quasi-ribbed floor type prestressed steel grid structure, satisfying the purpose that structural strength, rigidity and globality condition are issued to the saving steel using amount, reduce construction costs thereby reach.Wherein the mechanical model of quadrangular pyramid plate net support is " a plan sandwich slab ", and the mechanical model of prestressed space tube truss is " intending the sandwich beam ", the space lattice of this pattern is at identical load, under the identical span condition, compare with non-prestressed steel lattice, the every square meter of its steel using amount can reduce by 25~30%, has remarkable economic efficiency.
Description of drawings:
Accompanying drawing 1 is a plane structure schematic diagram of the present utility model;
Accompanying drawing 2 is the plane structure schematic diagram of just putting the quadrangular pyramid plate net support of the present utility model;
Accompanying drawing 3 is the structural representation of prestressing with bond space tube truss of the present utility model;
Accompanying drawing 4 is the A-A sectional view of accompanying drawing 3 (being the web member layer plane and the cable wire plane of arrangement figure of prestressing with bond space tube truss of the present utility model);
Accompanying drawing 5 is the structural representation of load transfer device of the present utility model.
The specific embodiment:
Embodiment of the present utility model: as shown in Figure 1, it is by just putting quadrangular pyramid plate net support 1 and prestressed space tube truss 2 constitutes, prestressed space tube truss 2 is installed on the support column 3 of roof system, is just putting the oblique abdomen top that quadrangular pyramid plate net support 1 is connected prestressed space tube truss 2.Wherein prestressed space tube truss 2 adopts the prestressing with bond space tube truss, its structure is such: it is equipped with load transfer device 4 on the lower edge middle part of pipe truss, prestressed cable 5 is positioned at the pipe truss and passes two ends, load transfer device 4 back and is fixed on the support node that winds up of pipe truss, and wherein load transfer device 4 is made of steel case 6, the pull bar 8 that is contained in the interior fixed pulley 7 of steel case 6 and is fixed on steel case 6 bottoms.Prestressed space tube truss 2 in above-mentioned also can be according to span, and intercolumniation is selected " prestressed space tube truss structure in the lower chord tube " or " short-brace rod type expanding-chord truss structure " flexibly for use.
The utility model mainly solves large span (80m≤L≤150m), huge pillar is apart from (the super-span steel network roof system of 32m≤a≤60m), be beam with prestressed space tube truss 2 equivalences in above-mentioned, to just put 1 equivalence of quadrangular pyramid plate net support and be plate, promptly form to intend " rib type superstructure " formula prestressed steel grid roof, for the large-scale roof system of large span public building, industrial construction provides a kind of novel roof system.

Claims (3)

1. large-span large-column distance quasi-ribbed floor type prestressed steel grid roof, it comprises quadrangular pyramid plate net support (1), it is characterized in that: on the support column (3) of roof system prestressed space tube truss (2) is housed, quadrangular pyramid plate net support (1) is connected on the prestressed space tube truss (2).
2. large-span large-column distance quasi-ribbed floor type prestressed steel grid roof according to claim 1, it is characterized in that: prestressed space tube truss (2) is the prestressing with bond space tube truss, it is equipped with load transfer device (4) on the lower edge middle part of pipe truss, prestressed cable (5) is positioned at the pipe truss and passes two ends, load transfer device (4) back and is fixed on the support node that winds up of pipe truss.
3. large-span large-column distance quasi-ribbed floor type prestressed steel grid roof according to claim 2 is characterized in that: load transfer device (4) by steel case (6), be contained in the fixed pulley (7) in the steel case (6) and be fixed on pull bar (8) formation of steel case (6) bottom.
CN 200620200600 2006-07-07 2006-07-07 Large-span large-pillar-distance quasi-rib type building-cover type prestress steel-grid roofing Expired - Fee Related CN2923870Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200620200600 CN2923870Y (en) 2006-07-07 2006-07-07 Large-span large-pillar-distance quasi-rib type building-cover type prestress steel-grid roofing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200620200600 CN2923870Y (en) 2006-07-07 2006-07-07 Large-span large-pillar-distance quasi-rib type building-cover type prestress steel-grid roofing

Publications (1)

Publication Number Publication Date
CN2923870Y true CN2923870Y (en) 2007-07-18

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200620200600 Expired - Fee Related CN2923870Y (en) 2006-07-07 2006-07-07 Large-span large-pillar-distance quasi-rib type building-cover type prestress steel-grid roofing

Country Status (1)

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CN (1) CN2923870Y (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100422468C (en) * 2006-07-07 2008-10-01 贵州大学 Large-span large-column distance quasi-ribbed floor type prestressed steel grid roof structure
CN101942883A (en) * 2009-07-09 2011-01-12 贵州大学 Roof with rectangular plane, super-long span and prestressed space tube truss structure and manufacturing method
CN101942884B (en) * 2009-07-09 2013-12-25 .贵州大学 Roof with approximately quadrate plane and super large space pre-stressed steel grid structure and manufacturing method thereof
CN106836604A (en) * 2017-02-07 2017-06-13 叶长青 The preparation method of large span Sloping roof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100422468C (en) * 2006-07-07 2008-10-01 贵州大学 Large-span large-column distance quasi-ribbed floor type prestressed steel grid roof structure
CN101942883A (en) * 2009-07-09 2011-01-12 贵州大学 Roof with rectangular plane, super-long span and prestressed space tube truss structure and manufacturing method
CN101942884B (en) * 2009-07-09 2013-12-25 .贵州大学 Roof with approximately quadrate plane and super large space pre-stressed steel grid structure and manufacturing method thereof
CN101942883B (en) * 2009-07-09 2013-12-25 .贵州大学 Roof with rectangular plane, super-long span and prestressed space tube truss structure and manufacturing method
CN106836604A (en) * 2017-02-07 2017-06-13 叶长青 The preparation method of large span Sloping roof

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C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20070718

Termination date: 20110707