CN106869390A - A kind of Hyperbolic vaulted roof plate girder construction of string formula - Google Patents
A kind of Hyperbolic vaulted roof plate girder construction of string formula Download PDFInfo
- Publication number
- CN106869390A CN106869390A CN201710226998.0A CN201710226998A CN106869390A CN 106869390 A CN106869390 A CN 106869390A CN 201710226998 A CN201710226998 A CN 201710226998A CN 106869390 A CN106869390 A CN 106869390A
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- Prior art keywords
- arch
- hyperbolic
- steel pipe
- string
- concrete arch
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B7/00—Roofs; Roof construction with regard to insulation
- E04B7/12—Roofs; Roof construction with regard to insulation formed in bays, e.g. sawtooth roofs
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
Abstract
The invention discloses a kind of Hyperbolic vaulted roof plate girder construction of string formula, the arched plate of Concrete Double winds up as the compressive region of arch tension string beam structure, the fold-line-shaped wire digging line of arch beam string as roofing hyperbolic arch bar tensile region lower edge, arch beam string and roofing hyperbolic arch bar are applied in combination, have complementary advantages, cooperate.Lifting arch beam string lays the micro-bend arch-wave of profiled sheet to single-storey factory building roof between arch rib, and poured in place concrete arch bar, the construction technology for breaking the whole up into parts has fully demonstrated the advantage of industrialization prefabrication and assembly construction.New type roof slab and girder has the advantages that bearing capacity is big, span ability is big, structural stability good, plate-girder unification, good water resistance, quick construction and low cost, can be used for 40~90 meters of Ultra-Long Spans factory building roof slab and girders.
Description
Technical field
The invention belongs to field of civil engineering, it is related to a kind of Long span built-up roofing plate-girder, more particularly to a kind of string formula
Hyperbolic vaulted roof plate girder construction.
Background technology
With society development, it is necessary to the increasing hangar of the interior space, warehouse, gymnasium, exhibition center etc. it is big across
Footpath house.With industrial development, it is necessary to Long span industrial premises, to meet huge production space, places production
Equipment, the flexible arrangement technological process of production.
Long span roof structure of powerhouse is generally using structure shapes such as door-like steel frame light structure, prestressed concrete double T plates
Formula.Wherein door-like steel frame light structure has the advantages that lightweight, industrialization degree is high and span ability is larger, is generally used for 24
~40 meters of mill constructions of across footpath, but, the erosion of door-like steel frame light structural anticorrosion, fire prevention and heat-proof quality are poor, and portal-rigid frames are light
Steel construction scene overhead welding workload is big.Prestressed concrete double T plate is the roof covering constructional elements of beam slab unification, and it has makes
Valency is low, good heat preservation performance, humidity, the short anticorrosive, construction period, long service life the advantages of, be generally used for 15~30 meters of across footpaths
Mill construction, but, prestressed concrete double T plate is present from great, rigidity is small, low bearing capacity the shortcomings of.
As industrial development, Ultra-Long Spans single-storey factory building demand are more and more, 40~90 meters of across footpaths of research and development are needed badly
The Ultra-Long Spans roofing slab and girder of plate-girder unification, to replace the grid structure and the big portal-rigid frames steel knot of steel using amount of costliness
Structure.
The content of the invention
Goal of the invention：In order to overcome the deficiencies in the prior art, the present invention to provide a kind of hyperbolic arch of string formula
Roofing slab and girder and preparation method thereof.
Technical scheme：In order to solve the above technical problems, the Hyperbolic vaulted roof plate girder construction of a kind of string formula of the invention,
Including roofing hyperbolic arch bar, roofing hyperbolic arch bar include steel pipe concrete arch rib, the micro-bend arch-wave of profiled sheet, concrete arch bar,
Connection beam and steel channel connector, steel pipe concrete arch rib top set steel channel connector, and connection beam is arranged in concrete-filled steel tube arch
Between rib, the micro-bend arch-wave of profiled sheet, casting concrete on the micro-bend arch-wave of profiled sheet are laid between steel pipe concrete arch rib
Arch bar；The bottom of steel pipe concrete arch rib sets the vertical strut at least three roads, the upper end of vertical strut and steel pipe concrete arch rib
It is connected, fold-line-shaped compressor wire rope connects the lower end of all vertical struts and is connected with steel pipe concrete arch rib two ends, horizontal
It is arranged between the vertical strut of span centre to bracing members.
A kind of method of the Hyperbolic vaulted roof plate girder construction for preparing a string formula, comprises the following steps：
Step one, at the construction field (site), according to design requirement, makes steel pipe concrete arch rib, on steel pipe concrete arch rib top
The steel channel connector of arch is welded in portion, installs vertical strut, fold-line-shaped compressor wire rope is arranged, using jack tension broken line
Shape compressor wire rope, forms arch beam string, lifting arch beam string to the precalculated position of single-storey factory building roofing；
Step 2, connection beam is installed between steel pipe concrete arch rib, horizontal steel is installed at span centre, between vertical strut
Support, lays the micro-bend arch-wave of profiled sheet between steel pipe concrete arch rib, casting concrete arch bar forms roofing hyperbolic arch bar；
After step 3, wait concrete arch bar reach age knot firmly, using jack, fold-line-shaped compressor wire rope is adjusted
Tension stress, the Hyperbolic vaulted roof plate girder construction of the string formula of single-storey factory building comes into operation.
Beneficial effect：The Hyperbolic vaulted roof plate girder construction of a kind of string formula of the invention, has the advantages that：
The construction technology of double curvature arched bridge is used for reference, is broken the whole up into parts, prefabrication and assembly construction construction, the arched plate of Concrete Double is used as arch
The compressive region of beam string structure winds up.The rigid arch flexible cable feature of Long span arch tension string beam structure is used for reference, arch beam string
Fold-line-shaped wire digging line as roofing hyperbolic arch bar tensile region lower edge.Arch beam string and roofing hyperbolic arch bar are applied in combination,
Have complementary advantages, cooperate.The Hyperbolic vaulted roof plate girder construction of string formula has that bearing capacity is big, span ability is big, structure is steady
Qualitative good, industrialization degree is high, plate-girder unification, good water resistance, prefabrication and assembly construction easy construction and the advantages of low cost.
Prestressed concrete double T plate is classical plate-girder unification roofing plate-girder, and T plate bearing capacity is high, and structural behaviour can
Lean on, long service life, be widely used in 15~30 meters of single-storey factory building roof systems of across footpath.Compared with prestressed concrete double T plate,
The Hyperbolic vaulted roof plate girder construction of string formula is a kind of arch tension string beam structure, the external folding prestressed steel wire of arrangement, is improve
Novel compositions plate-girder has bending resistance shear-carrying capacity, improves the rigidity of new slab and girder, substantially increases new plate-girder
Span ability.
Compared with traditional concrete filled steel tube arch beam string, the Hyperbolic vaulted roof plate girder construction of a string formula is to arch
The compressive region of string beam is reformed, and is winded up as the compressive region of arch tension string beam structure using the arched plate of Concrete Double, prefabricated
Assembling speed of application is quick, and the lateral stability of arch beam string is increased substantially, and the arched plate of Concrete Double holds as compressive region
Carry what power can ensure, Hyperbolic Roof draining is smooth, roof waterproof performance is greatly improved, and has fully demonstrated novel compositions plate-girder
The superiority of plate-girder unification.
The design of Long span tension string beam structure must take into consideration the roof system stable problem under wind suction effect, when wind suction is more than
Roof structure conduct oneself with dignity when, cable slack and exit work, structure global failure.Common concrete filled steel tube arch beam string is usually
Wind suction stability problem is run into, it is necessary to additional configurations wind resistance cable, increased construction costs, influence building using effect；
The Hyperbolic vaulted roof plate girder construction of string formula is the structure of plate-girder unification, and roofing concrete arch bar participates in main arch ring resistance to compression stress,
Killed two birds with one stone with heavy load as wind resistance suction stability simultaneously.
The construction technology of double curvature arched bridge is used for reference, lifting arch beam string is set to single-storey factory building precalculated position between arch rib
Connection beam, lays the micro-bend arch-wave of profiled sheet of arch between arch rib, then pour roofing arch bar concrete, and prefabrication and assembly construction is applied
Work.The Hyperbolic vaulted roof plate girder construction for opening string formula has given full play to the advantage of prefabrication and assembly construction, can construction formwork and pin
Hand cradle, saves timber, accelerating construction progress, and consumed labor and materials are seldom, novel compositions plate-girder have industrialization degree it is high,
The advantages of easy construction and low cost.
The Hyperbolic vaulted roof plate girder construction for opening string formula is the breakthrough innovation of Long span factory building roof girder construction process, tool
There are excellent stress performance, plate-girder unification.Novel compositions plate-girder substitutes portal-rigid frames steel construction and grid structure, shortens the duration,
Saving steel, reduces cost.The Hyperbolic vaulted roof plate girder construction prefabrication and assembly construction of string formula is opened, is broken the whole up into parts, realize industrialization
Quick production Long span plate-girder, can build 40~90 meters of Long span single-storey factory buildings, be especially suitable for township enterprise factory and
Repository entry engineering.
Brief description of the drawings
Fig. 1 is the generalized section of the Hyperbolic vaulted roof plate beam of concrete-filled rectangular steel tube arch rib；
Fig. 2 is the generalized section of the Hyperbolic vaulted roof plate beam for welding three steel tube arch ribs；
Fig. 3 is the generalized section of the Hyperbolic vaulted roof plate beam of three steel tube space truss arch ribs.
Fig. 4 is the schematic three dimensional views of the Hyperbolic vaulted roof plate beam of a string formula；
In figure, 1- hyperbolic arch bars；11- steel pipe concrete arch ribs；The micro-bend arch-wave of 12- profiled sheets；13- concrete arch bars；
14- connection beams；15- steel channel connectors；2- struts；3- fold-line-shaped compressor wire ropes；4- transverse direction bracing members.
Specific embodiment
The present invention is further described below in conjunction with the accompanying drawings.
As Figure 1-Figure 4, the Hyperbolic vaulted roof plate girder construction of a kind of string formula of the invention, by roofing hyperbolic arch bar
1st, strut 2, fold-line-shaped compressor wire rope 3 and horizontal bracing members 4 are constituted.Wherein roofing hyperbolic arch bar 1 is by concrete-filled steel tube arch
The micro-bend arch-wave 12 of rib 11, profiled sheet, concrete arch bar 13, connection beam 14 and steel channel connector 15 are constituted, concrete-filled steel tube arch
The top of rib 11 sets steel channel connector 15, and connection beam 14 is arranged between steel pipe concrete arch rib 11, steel pipe concrete arch rib 11
Between lay the micro-bend arch-wave 12 of profiled sheet, casting concrete arch bar 13 on the micro-bend arch-wave 12 of profiled sheet；Concrete filled steel tube
The bottom of arch rib 11 sets the vertical strut 2 at least three roads, and the upper end of vertical strut 2 is connected with steel pipe concrete arch rib 11, broken line
Shape compressor wire rope 3 connects the lower end of all vertical struts 2 and is connected with the two ends of steel pipe concrete arch rib 11, horizontal steel branch
Support 4 is arranged between the vertical strut 2 of span centre.
The present invention also provided it is a kind of prepare the above-mentioned method of the Hyperbolic vaulted roof plate girder construction of string formula, it is including following
Step：
Step one, at the construction field (site), according to design requirement, makes steel pipe concrete arch rib 11, in steel pipe concrete arch rib
The steel channel connector 15 of 11 welded top arches, installs vertical strut 2, arrangement fold-line-shaped compressor wire rope 3, using jack
Tensioning fold-line-shaped compressor wire rope 3, forms arch beam string, the pre-determined bit of lifting arch beam string to single-storey factory building roofing
Put；
Step 2, the installation connection beam 14 between steel pipe concrete arch rib 11, at span centre, install between vertical strut 2
Horizontal bracing members 4, lay the micro-bend arch-wave 12 of profiled sheet between steel pipe concrete arch rib 11, casting concrete arch bar 13 is formed
Roofing hyperbolic arch bar 1；
After step 3, wait concrete arch bar 13 reach age knot firmly, using jack, fold-line-shaped compressor wire is adjusted
The tension stress of rope 3, the Hyperbolic vaulted roof plate girder construction of a string formula of single-storey factory building comes into operation.
Specifically, such as the Hyperbolic vaulted roof plate girder construction of certain string formula, Roof Design live load 1.0kN/m2, plate-girder across
60 meters of footpath, plate-girder spacing is 6 meters, and double curvature arch plate-girder arch rib rise is 4.5 meters, and fold-line-shaped compressor wire rope sag is 1.5 meters,
Plate-girder span centre total height is 6 meters.Steel pipe concrete arch rib uses 400 × 600 × 16 welding rectangular steel pipe, interior filling C50 coagulations
Soil, arch beam string sets the vertical strut in five roads, and fold-line-shaped compressor wire rope uses the high tensile steel wires of Φ 150 × 5.It is existing in construction
, assembled arch beam string, stretch-draw prestressing force fold-line-shaped compressor wire rope, lifting arch beam string to single-storey factory building roofing
Precalculated position.Connection beam is installed between steel pipe concrete arch rib, horizontal bracing members are installed between the vertical strut in each road.Steel pipe is mixed
The micro-bend arch-wave of profiled sheet is laid between solidifying soil arch rib, the micro-bend arch-wave span of profiled sheet is 6 meters, 0.6 meter of arch camber, ratio of rise to span is
0.1, profiled sheet is the model of 1.5mm wave height 75 from thickness.The casting concrete arch bar on the micro-bend arch-wave of profiled sheet, mixes
Solidifying soil arch bar is poured using C25.Thickness is 120mm, and concrete arch bar root locally thickeies.Concrete arch bar is waited to reach age
After knot is hard, using jack, the tension stress of fold-line-shaped compressor wire rope is further adjusted.It is micro- in profiled sheet every 18 meters
Camber arch ripple and concrete arch bar open up window opening, install fiberglass roof light, the hyperbolic arch roofing of a string formula of single-storey factory building
Slab and girder comes into operation in order.
Specifically, such as the Hyperbolic vaulted roof plate girder construction of certain string formula, Roof Design live load 1.0kN/m2, plate-girder across
90 meters of footpath, plate-girder spacing is 9 meters, and double curvature arch plate-girder arch rib rise is 6.75 meters, and fold-line-shaped compressor wire rope sag is 2.25
Rice, plate-girder span centre total height is 9 meters.Steel pipe concrete arch rib using equilateral triangle the Φ 377 of three steel tube space truss 3 ×
16, C50 concrete is filled in steel pipe, three steel pipes are separated in span centre section, are merged at bearing together, three spacing of steel pipe
From equilateral triangle relation is remained, Fig. 3 is bearing section, and Fig. 4 is spaning middle section.It is vertical that arch beam string sets five road V-arrangements
Strut, fold-line-shaped compressor wire rope uses the high tensile steel wires of Φ 250 × 5.At the construction field (site), assembled arch beam string, tensioning is pre-
Stress fold-line-shaped compressor wire rope, lifting arch beam string to the precalculated position of single-storey factory building roofing.Steel pipe concrete arch rib
Between connection beam is installed, horizontal bracing members are installed between the vertical strut in each road.Die mould steel is laid between steel pipe concrete arch rib
The micro-bend arch-wave of plate, the micro-bend arch-wave span of profiled sheet is 9 meters, 0.9 meter of arch camber, and ratio of rise to span is 0.1, and profiled sheet is from thickness
The model of 2mm wave height 130.The casting concrete arch bar on the micro-bend arch-wave of profiled sheet, concrete arch bar is poured using C25.It is thick
It is 150mm to spend, and concrete arch bar root locally thickeies.
The above is only the preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (2)
1. a kind of Hyperbolic vaulted roof plate girder construction of string formula, including roofing hyperbolic arch bar (1), it is characterised in that：Roofing is double
Arched plate (1) includes steel pipe concrete arch rib (11), the micro-bend arch-wave of profiled sheet (12), concrete arch bar (13), connection beam
(14) and steel channel connector (15), steel pipe concrete arch rib (11) top sets steel channel connector (15), connection beam (14) arrangement
Between steel pipe concrete arch rib (11), the micro-bend arch-wave of profiled sheet (12), die mould are laid between steel pipe concrete arch rib (11)
Casting concrete arch bar (13) on the micro-bend arch-wave of steel plate (12)；The bottom of steel pipe concrete arch rib (11) sets at least three roads and erects
To strut (2), the upper end of vertical strut (2) is connected with steel pipe concrete arch rib (11), fold-line-shaped compressor wire rope (3) connection
The lower end of all vertical struts (2) and it is connected with steel pipe concrete arch rib (11) two ends, horizontal bracing members (4) are arranged in span centre
Vertical strut (2) between.
2. a kind of method of the Hyperbolic vaulted roof plate girder construction of the string formula prepared described in claim 1, it is characterised in that bag
Include following steps：
Step one, at the construction field (site), according to design requirement, makes steel pipe concrete arch rib (11), in steel pipe concrete arch rib
(11) steel channel connector (15) of welded top arch, installs vertical strut (2), and arrangement fold-line-shaped compressor wire rope (3) is adopted
With jack tension fold-line-shaped compressor wire rope (3), arch beam string, lifting arch beam string to single-storey factory building roofing are formed
Precalculated position；
Step 2, installation connection beam (14) between steel pipe concrete arch rib (11), at span centre, pacify between vertical strut (2)
The horizontal bracing members (4) of dress, lay the micro-bend arch-wave of profiled sheet (12), casting concrete arch bar between steel pipe concrete arch rib (11)
(13) roofing hyperbolic arch bar (1), is formed；
After step 3, wait concrete arch bar (13) reach age knot firmly, using jack, fold-line-shaped compressor wire rope is adjusted
(3) tension stress, the Hyperbolic vaulted roof plate girder construction of a string formula of single-storey factory building comes into operation.
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| CN201710226998.0A CN106869390B (en) | 2017-04-07 | 2017-04-07 | A kind of Hyperbolic vaulted roof plate girder construction of string formula |
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| CN201710226998.0A CN106869390B (en) | 2017-04-07 | 2017-04-07 | A kind of Hyperbolic vaulted roof plate girder construction of string formula |
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| CN106869390A true CN106869390A (en) | 2017-06-20 |
| CN106869390B CN106869390B (en) | 2019-03-29 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111734032A (en) * | 2020-06-23 | 2020-10-02 | 湖南城市学院 | Beamless floor structure with double-curved arch shell and construction method thereof |
| CN114352035A (en) * | 2022-03-18 | 2022-04-15 | 清华大学建筑设计研究院有限公司 | Large-span assembled combined arched heavy roof structure and construction method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB497000A (en) * | 1936-04-08 | 1938-12-08 | Emil Huennebeck | Improvements in or relating to roof structures for sheds and hangars |
| CN2315175Y (en) * | 1997-04-22 | 1999-04-21 | 郭彦林 | Large span colour pressed steel plate wave arc roof |
| EP0947639A1 (en) * | 1998-04-03 | 1999-10-06 | Peter Adler | Method for constructing a floor as well as a modular vault system for implementing the method |
| CN201850793U (en) * | 2010-11-05 | 2011-06-01 | 中国电力工程顾问集团西北电力设计院 | 1000kV GIS (gas insulated switchgear) room with corrugated steel arch roof structure |
| CN104264783A (en) * | 2014-07-28 | 2015-01-07 | 殷志祥 | Novel structure form reticulated shell and beam string combined structure |
| CN105569187A (en) * | 2016-01-18 | 2016-05-11 | 江苏沪宁钢机股份有限公司 | Inverted arch beam string structure roof of large-span steel structure and construction method thereof |
| CN105649252A (en) * | 2016-01-05 | 2016-06-08 | 江苏沪宁钢机股份有限公司 | Beam string steel structure roof and installation method thereof |
| CN105863144A (en) * | 2016-05-14 | 2016-08-17 | 李雄彦 | Large-span double-curvature-arch structure |
-
2017
- 2017-04-07 CN CN201710226998.0A patent/CN106869390B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB497000A (en) * | 1936-04-08 | 1938-12-08 | Emil Huennebeck | Improvements in or relating to roof structures for sheds and hangars |
| CN2315175Y (en) * | 1997-04-22 | 1999-04-21 | 郭彦林 | Large span colour pressed steel plate wave arc roof |
| EP0947639A1 (en) * | 1998-04-03 | 1999-10-06 | Peter Adler | Method for constructing a floor as well as a modular vault system for implementing the method |
| CN201850793U (en) * | 2010-11-05 | 2011-06-01 | 中国电力工程顾问集团西北电力设计院 | 1000kV GIS (gas insulated switchgear) room with corrugated steel arch roof structure |
| CN104264783A (en) * | 2014-07-28 | 2015-01-07 | 殷志祥 | Novel structure form reticulated shell and beam string combined structure |
| CN105649252A (en) * | 2016-01-05 | 2016-06-08 | 江苏沪宁钢机股份有限公司 | Beam string steel structure roof and installation method thereof |
| CN105569187A (en) * | 2016-01-18 | 2016-05-11 | 江苏沪宁钢机股份有限公司 | Inverted arch beam string structure roof of large-span steel structure and construction method thereof |
| CN105863144A (en) * | 2016-05-14 | 2016-08-17 | 李雄彦 | Large-span double-curvature-arch structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111734032A (en) * | 2020-06-23 | 2020-10-02 | 湖南城市学院 | Beamless floor structure with double-curved arch shell and construction method thereof |
| CN114352035A (en) * | 2022-03-18 | 2022-04-15 | 清华大学建筑设计研究院有限公司 | Large-span assembled combined arched heavy roof structure and construction method thereof |
| CN114352035B (en) * | 2022-03-18 | 2022-06-21 | 清华大学建筑设计研究院有限公司 | Large-span assembled combined arched heavy roof structure and construction method thereof |
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| Publication number | Publication date |
|---|---|
| CN106869390B (en) | 2019-03-29 |
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