CN111535491B - Suspended roof for stadium reconstruction and roof construction method - Google Patents
Suspended roof for stadium reconstruction and roof construction method Download PDFInfo
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- CN111535491B CN111535491B CN202010413626.0A CN202010413626A CN111535491B CN 111535491 B CN111535491 B CN 111535491B CN 202010413626 A CN202010413626 A CN 202010413626A CN 111535491 B CN111535491 B CN 111535491B
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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
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- 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
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H3/00—Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons
- E04H3/10—Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons for meetings, entertainments, or sports
- E04H3/14—Gymnasiums; Other sporting buildings
Abstract
The invention relates to a suspended roof and a roof construction method for stadium reconstruction, in particular to a suspended roof and a roof construction method, aiming at solving the problems that the cost of materials consumed by temporarily adding a covering shed in the existing stadium is high, the time consumption for installation and dismantling is long, and the difficulty for dismantling the covering shed to restore the original shape after use is high, the suspended roof for stadium reconstruction comprises at least one suspended roof structure which is arranged on a stadium building structure, and the roof construction method for the suspended roof for stadium reconstruction is realized according to the following steps: the method comprises the following steps: manufacturing an air film factory; step two: threading a gas film; step three: fixing an air film; step four: the medium radial cable assembly is fixed through the hydraulic jack, so that simplicity and feasibility are achieved, and the construction speed is increased. The invention is used in the field of temporary reconstruction of buildings.
Description
Technical Field
The invention relates to a suspension type roof and a roof construction method, in particular to a suspension type roof for stadium reconstruction and a roof construction method.
Background
Stadiums are professional locations where athletic training, athletic competitions, and physical exercises are performed. It is a general name of various sport places specially built for meeting the requirements of sport training, sport competition and mass sports consumption. The stadium is a field for outdoor physical training and competition, a large stadium is a comprehensive sports field, a standard stadium is generally built, the stadium mainly comprises a stadium which is open to the public and provides various services, and the stadium is provided with a standard sport place in the stadium. The stadium which is built for use is difficult to change the building structure of the stadium, but a temporary roof structure is arranged on the built stadium according to the temporary requirement, the overhanging length of the original building is increased, the structure is generally transformed by adopting a steel structure, but the scheme of installing the steel structure has some problems, such as high material price cost, large construction amount of a post-reinforced main body structure, long time consumption of installation and removal work, and great difficulty in restoring the stadium after the temporarily-reinforced stadium is used, so the input cost and the time consumption of the temporarily-transformed stadium by adopting the steel structure are high.
Disclosure of Invention
The invention aims to solve the problems that the cost of materials consumed for temporarily adding an awning in the conventional stadium is high, the time consumed for installing and dismantling work is long, and the difficulty of dismantling the awning to restore the original shape after use is high, and further provides a suspended roof for stadium reconstruction and a roof construction method.
The technical scheme adopted by the invention for solving the problems is as follows:
the first scheme is as follows: a floated roof for stadium transformation, it includes at least one floated roof structure, floated roof structure installs on stadium building structure.
Scheme II: a roof construction method of a suspension type roof for stadium reconstruction is realized according to the following steps: the method comprises the following steps: manufacturing an air bag in a factory: the air film unit realizes cutting of a film material and heat seal work after cutting in a processing plant, a diaphragm in the air film unit is connected with an upper diaphragm and a lower diaphragm in a heat seal mode, an inflation inlet is reserved, a through hole for installing a stay cable is reserved on the air film unit, air tightness detection is carried out on the air film unit, good sealing performance of the interior of the air film unit structure is guaranteed, and finally the processed air film unit is transported to the place where the actual engineering is located for standby;
step two: air bag reeving: the on-site air film unit inflation reeving device comprises a plurality of roof fixing part connecting pieces arranged at the tops of all rows of trusses on the top of a stadium, an outer ring cable and the top of the stadium are reliably connected, processed air film units are unfolded in an edge empty field, the processed air film units are arranged along the length direction, edges on two sides of an air film unit structure are respectively arranged on the outer ring cable and the inner ring cable through clamp connecting pieces, two ends of the outer ring cable are respectively fixed with two ends of the inner ring cable, an outer ring air supply main pipe is fixedly connected with the outer ring cable through the outer ring hoop connecting pieces, two adjacent air film units are fixedly connected through a plurality of middle radial cable assemblies, the outer ring air supply main pipe is respectively connected with one air film unit in a sealing mode through a plurality of pipelines, each air film unit is connected with a middle air supply main pipe in a sealing mode through one pipeline, each middle radial cable assembly is fixedly connected with a corresponding middle air supply main pipe through one middle radial hoop connecting piece, inflating each air film unit by the ventilation machine to the outer ring air supply main pipe and the middle air supply main pipe;
step three: fixing the air bag: hooking two ends of the outer ring cable and the inner ring cable through a crane hook, moving the air film unit fixed by the reeving in the step two to an appointed position, fixedly connecting the air film unit with the tops of all the trusses on the top of the stadium through a plurality of roof fixing part connecting pieces, fixedly connecting the outer ring cable and the outer ring air supply main pipe with the plurality of roof fixing part connecting pieces, fixing the outer edge cable with a support on a truss of a main body structure, and fixing two ends of the outer ring cable and two ends of the inner ring cable with the trusses on the top of the stadium;
step four: the medium radial cable assembly is fixed through the hydraulic jack, so that simplicity and feasibility are achieved, and the construction speed is increased.
The invention has the beneficial effects that:
1. this application adopts the cable, the membrane is as building material, increase the interim awning of approximate crescent air film bag structure of inside packing helium along major axis one side or both sides part in current steel construction awning, carry out the drawknot with the cable between interior outer border and the major structure, wherein the cable of outer border is fixed through a series of steel supports with the major structure truss installation, air film structure and support correspond inside radial diaphragm drawknot that sets up in position about diaphragm drawknot, with the relative displacement of diaphragm about the restriction aerifys the back, constitute the self-balancing system, eliminate the pulling force that produces the cable.
2. This application is less to former building structure's influence, need not consolidate in a large number.
3. The construction period of the method is short, and only one month is needed.
4. The construction process does not need large machinery, does not influence the work near the field and the place, and does not damage grasslands and ground around the building because of the work of the large machinery.
5 the cost of this application is lower, only for about one third of steel construction transformation cost.
6. The application can be detached after being used in a construction site and can be recycled.
7. The utility model provides a structural design is pleasing to the eye, has good stability can moreover, guarantees building quality.
Drawings
Figure 1 is a top view of the overall structure of the present application installed on a stadium.
Fig. 2 is a front view of the overall structure of the present application installed on a stadium.
Fig. 3 is a right side view of the overall structure of the present application installed on a stadium.
FIG. 4 is a schematic view of two gas film cover structures arranged opposite to each other.
Fig. 5 is a side view of fig. 4.
FIG. 6 is a graph of the index of the node plane position of the film of the present application.
Fig. 7 is a schematic diagram of the node a in fig. 6.
Fig. 8 is a schematic diagram of the node B in fig. 6.
Fig. 9 is a schematic diagram of the node C in fig. 6.
FIG. 10 is a plan view of the node position index of the film of the present application.
Fig. 11 is a schematic diagram of the node D in fig. 10.
Fig. 12 is a schematic diagram of the node E in fig. 10.
Fig. 13 is a schematic diagram of the node F in fig. 10.
FIG. 14 is an index map of node positions for the membrane of the present application.
Fig. 15 is a schematic diagram of the node G in fig. 14.
Fig. 16 is a schematic diagram of the node at H in fig. 14.
Detailed Description
The first embodiment is as follows: the embodiment is described with reference to fig. 1-5, and the suspended roof structure for stadium reconstruction in the embodiment comprises at least one suspended roof structure, and the suspended roof structure is installed on a stadium building structure.
The second embodiment is as follows: the embodiment is described with reference to fig. 1 to 5, and the suspended roof for stadium reconstruction in the embodiment is in an air film bag body structure, and the cross section of the air film bag body structure is in a crescent shape smaller than a semicircle, and the rest is the same as the first embodiment.
The third concrete implementation mode: the embodiment is described with reference to fig. 1 to 16, and the number of the air film bag body structures in the embodiment is two, the two air film bag body structures are oppositely installed at the top of the stadium, and the air film bag body structure comprises an outer ring cable 1, an inner ring cable 2, an upper ring cable 13, a lower ring cable 14, an outer ring air supply main pipe 3, a side beam 12, two corner connectors 11, a plurality of roof fixing part connectors 4, a plurality of outer ring hoop connectors 5, a plurality of clamp connectors 6, a plurality of middle radial cable assemblies 7, a plurality of middle diameter hoop connectors 8, a plurality of middle air supply main pipes 9, a plurality of air film units 10, a plurality of lower cables 15, a plurality of flying columns 16 and a plurality of upper cables 17; two ends of an outer ring cable 1 are respectively and correspondingly fixedly connected with two ends of an inner ring cable 2, an outer ring gas supply main pipe 3 is fixedly connected with the outer ring cable 1 through a plurality of outer ring hoop connecting pieces 5, a plurality of middle radial cable components 7 are arranged between the outer ring cable 1 and the inner ring cable 2, one end of each middle radial cable component 7 is fixedly connected with the outer ring cable 1, the other end of each middle radial cable component 7 is fixedly connected with the inner ring cable 2, each middle gas supply main pipe 9 is arranged on one middle radial cable component 7 through a middle radial hoop connecting piece 8, one end of each middle gas supply main pipe 9 is hermetically connected with the outer ring gas supply main pipe 3, two sides of each middle radial cable component 7 are respectively provided with one gas film unit 10, the middle gas supply main pipe 9 is connected with the gas film units 10 through pipelines, the middle gas supply main pipes 9 are hermetically connected with the outer ring gas supply main pipes 3, and each gas film unit 10 is connected with the outer ring gas supply main pipe, each air film unit 10 is respectively fixedly connected with an outer ring cable 1 and an inner ring cable 2 through two clamp connecting pieces 6, the air film unit 10 at the joint of the end part of the outer ring cable 1 and the end part of the inner ring cable 2 is fixedly connected with the top of a stadium through a corner connecting piece 11, the upper extension direction of the outer ring cable 1 is arranged on a side beam 12, the outer ring cable 1 is arranged on the side beam 12 through a connecting clamp, the side beam 12 is welded and arranged on a plurality of roof fixing piece connecting pieces 4, the bottom end of each roof fixing piece connecting piece 4 is connected with the top of the stadium through a bolt, an upper ring cable 13 is arranged above the air film units 10, the upper ring cable 13 is fixedly connected with a plurality of middle radial cable assemblies 7, the upper ring cable 13 is respectively fixedly connected with the top end of the roof fixing piece 4 through a plurality of upper pull cables 17, a lower ring cable 14 is arranged below the air film units 10, the upper ring cable 13 is fixedly connected with the lower ring cable 14 through, the lower ring cable 14 is provided with a plurality of lower pull cables 15, one end of each lower pull cable 15 is fixedly connected with the lower ring cable 14, and the other end of each lower pull cable 15 is fixedly connected with the bottom end of the roof fixing piece connecting piece 4.
In this embodiment, the clamp connector 6 includes a first U-shaped clamp, a first aluminum alloy clamp, and a first bolt, the first aluminum alloy clamp is fixedly connected to the gas film unit 10, an open end of the first U-shaped clamp is fixedly connected to the first aluminum alloy clamp through the first bolt, the first U-shaped clamp is sleeved on the outer ring cable 1 or the inner ring cable 2, and the gas film unit 10 is connected to the outer ring cable 1 or the inner ring cable 2 through the clamp connector 6.
The outer ring hoop connecting piece 5 comprises a second U-shaped clamp, a first hoop and a second bolt, the first hoop is sleeved on the outer ring air supply main pipe 3, the second U-shaped clamp is sleeved on the outer ring cable 1, the open end of the first hoop is connected with the open end of the second U-shaped clamp through the second bolt,
the middle radial cable assembly 7 comprises a middle radial cable 18, two third U-shaped clamps, two second aluminum alloy clamps and two third bolts, two ends of the middle radial cable 18 are fixedly connected with the outer ring cable 1 and the inner ring cable 2 respectively, each third U-shaped clamp is arranged on the middle radial cable 18, each second aluminum alloy clamp is fixedly connected with the adjacent gas film unit 10 respectively, and each third U-shaped clamp is fixedly connected with one second aluminum alloy clamp through the third bolts respectively. The intermediate diameter hoop connecting piece 8 comprises a fourth U-shaped clamp, a second hoop and a fourth bolt, the fourth U-shaped clamp is arranged on the intermediate radial cable 18 in a clamping mode, the second hoop is sleeved on the intermediate air supply main pipe 9 in an ejection mode, and the open end of the fourth U-shaped clamp is fixedly connected with the open end of the second hoop through the fourth bolt.
Roof mounting connecting piece 4 includes vertical vaulting pole and slope vaulting pole, and vertical vaulting pole top and slope vaulting pole top all with boundary beam 12 fixed connection, vertical vaulting pole bottom and slope vaulting pole bottom all with each truss top fixed connection on the stadium top, cable 15 and slope vaulting pole bottom fixed connection down, one section and the outer loop cable 1 of medium radial cable 18 are through a plurality of connection otic placodes and boundary beam 12 fixed connection.
The corner connecting piece 11 comprises a corner connecting plate, a turnbuckle, a plurality of U-shaped clamps, a plurality of aluminum alloy connecting pieces and a plurality of fifth bolts, the corner connecting plate is fixedly connected with the connecting part of the end part of the outer ring cable 1 and the end part of the inner ring cable 2 through the turnbuckle, the plurality of U-shaped clamps and the fifth bolts on the plurality of U-shaped clamps, and the air film unit 10 adjacent to the corner connecting plate is fixedly connected with the corner connecting plate through the plurality of aluminum alloy connecting pieces and the plurality of fifth bolts.
The upper ring cable 13 is fixedly connected with one end of an upper cable 17 through a fixing clamp, the upper ring cable 13 is connected with the flying column 16 through a fixing clamp, the lower ring cable 14 is fixedly connected with one end of a lower cable 15 through a fixing clamp, and the lower ring cable 14 is connected with the other end of the flying column 16 through a fixing clamp. The rest is the same as the first embodiment.
The fourth concrete implementation mode: the present embodiment will be described with reference to fig. 1, and a method for constructing a suspended roof for stadium reconstruction according to the present embodiment includes the first step: manufacturing an air film factory: the cutting of a membrane material and the heat seal work after cutting are realized by the air membrane unit 10 in a processing plant, a diaphragm in the air membrane unit 10 is connected with an upper membrane and a lower membrane in a heat seal mode, an inflation inlet is reserved, a through hole for installing a guy cable is reserved on the air membrane unit 10, the air tightness of the air membrane unit 10 is detected, the good sealing performance of the interior of the air membrane unit 10 is guaranteed, and finally the processed air membrane unit 10 is transported to the place where the actual engineering is located for standby;
step two: gas film reeving: the on-site air film unit 10 is inflated and reeved, a plurality of roof fixing part connecting pieces 4 are arranged at the tops of all rows of trusses on the top of a stadium, the reliable connection of an outer ring cable 1 and the top of the stadium is ensured, meanwhile, the processed air film unit 10 is unfolded in an edge empty field, the processed air film units 10 are arranged along the length direction, the edges of two sides of the structure of the air film unit 10 are respectively arranged on the outer ring cable 1 and an inner ring cable 2 through clamp connecting pieces 6, two ends of the outer ring cable 1 are respectively fixed with two ends of the inner ring cable 2, an outer ring main air supply pipe 3 is fixedly connected with the outer ring cable 1 through an outer ring hoop connecting piece 5, two adjacent air film units 10 are fixedly connected through a plurality of middle radial cable assemblies 7, the outer ring main air supply pipe 3 is respectively and hermetically connected with one air film unit 10 through a plurality of pipelines, each air film unit 10 is hermetically connected with a middle main air supply pipe 9 through one, each middle radial cable assembly 7 is fixedly connected with a corresponding middle gas supply main pipe 9 through a middle radial hoop connecting piece 8, and each gas film unit 10 is inflated through a ventilation machine to the outer ring gas supply main pipe 3 and the middle gas supply main pipe 9;
step three: fixing an air film: hooking two ends of the outer ring cable 1 and the inner ring cable 2 which are fixedly connected through a crane hook, moving the air film unit 10 fixed through the cable in the step two to an appointed position, and fixedly connecting the air film unit with the tops of all rows of trusses on the top of the stadium through a plurality of roof fixing part connecting pieces 4, fixedly connecting the outer ring cable 1 and the outer ring air supply main pipe 3 with the plurality of roof fixing part connecting pieces 4, fixing the outer edge cable with a support on a truss of a main body structure, and fixing two ends of the outer ring cable 1 and two ends of the inner ring cable 2 with the trusses on the top of the stadium;
step four: the medium radial cable assembly 7 is fixed through a hydraulic jack, so that simplicity and feasibility are achieved, and the construction speed is increased.
The feasibility of the scheme of the application in terms of structural computational analysis is as follows:
the method comprises the steps of performing shape finding analysis by adopting a nonlinear finite element calculation method, and performing combined calculation analysis of working conditions of prestress, snow load, wind load and temperature action, wherein a membrane body of the gas membrane unit 10 adopts a PVC membrane material, and a pull cable adopts a D72 high-vanadium cable.
The load values in the calculation process are as follows:
1, wind load: the body type coefficient is determined according to a wind tunnel test, the landform type is B type, the wind vibration coefficient is 1.0, and the structural importance coefficient is 1.0;
2, live load: temporary structure is not considered;
3, constant load: the weight of the member;
4, internal pressure: the structure is a novel cable reinforced inflatable structure, and the internal pressure of the air film unit 10 is 500 Pa;
5, buoyancy force: considering the influence of air buoyancy after filling helium, the buoyancy is 1.05kg/m3。
The load combinations are shown in the following table:
the wind load component coefficient is 1.0 when the displacement is calculated, and is 1.5 when the internal force is calculated.
And (3) checking and calculating membrane material stress, membrane material strength, cable tension, structure maximum displacement and fixed point support reaction of the structure under various load combinations. And finally, carrying out checking calculation on the structural stress ratio of the main steel structure under each load combination.
Through the above computational analysis, the following conclusions are drawn:
1 in the initial state, the gas film capsule structure can realize balance and stably float at the designed position under the buoyancy, the structure dead weight and the side cable anchoring action generated by helium.
2 under the action of 7-level wind force, the maximum stress of the membrane surface meets the requirement of material strength, the maximum deformation is about 5.3m, and under the action of general 4-5-level wind force, the maximum deformation of the air membrane does not exceed 3m, and the deformation can be accepted for a floating temporary structure with the span of 220m and the overhang of 20 m.
The fifth concrete implementation mode: referring to fig. 1 and 5, the present embodiment will be described, where the gas filled in the gas film unit 10 in step two of the present embodiment is helium. The rest is the same as the fourth embodiment.
The sixth specific implementation mode: in the present embodiment, one pressure detector is attached to each gas film unit 10, and the pressure in each gas film unit 10 is detected by the pressure detector so that the pressure in each gas film unit 10 is 500 Pa. The rest is the same as the fourth embodiment.
Claims (4)
1. The utility model provides a floated roof for stadium is reformed transform, it includes at least one floated roof structure, floated roof structrual installation on stadium building structure, floated roof structure is air film utricule structure, and the cross section of air film utricule structure is for being less than semicircular crescent, its characterized in that: the number of the air film capsule structures is two, the two air film capsule structures are oppositely arranged at the top of a stadium, and each air film capsule structure comprises an outer ring cable (1), an inner ring cable (2), an upper ring cable (13), a lower ring cable (14), an outer ring air supply main pipe (3), a side beam (12), two corner connectors (11), a plurality of roof fixing part connectors (4), a plurality of outer ring hoop connectors (5), a plurality of clamp connectors (6), a plurality of middle radial cable assemblies (7), a plurality of middle diameter hoop connectors (8), a plurality of middle air supply main pipes (9), a plurality of air film units (10), a plurality of lower pull cables (15), a plurality of flying columns (16) and a plurality of upper pull cables (17); two ends of an outer ring cable (1) are respectively and correspondingly fixedly connected with two ends of an inner ring cable (2), an outer ring gas supply main pipe (3) is fixedly connected with the outer ring cable (1) through a plurality of outer ring hoop connecting pieces (5), a plurality of middle radial cable components (7) are arranged between the outer ring cable (1) and the inner ring cable (2), one end of each middle radial cable component (7) is fixedly connected with the outer ring cable (1), the other end of each middle radial cable component (7) is fixedly connected with the inner ring cable (2), each middle gas supply main pipe (9) is arranged on one middle radial cable component (7) through a middle radial hoop connecting piece (8), one end of each middle gas supply main pipe (9) is hermetically connected with the outer ring gas supply main pipe (3), two sides of each middle radial cable component (7) are respectively provided with one gas film unit (10), and the middle gas supply main pipes (9) are connected with the gas film units (10) through pipelines, the middle gas supply main pipes (9) are hermetically connected with the outer ring gas supply main pipe (3), each gas film unit (10) is connected with the outer ring gas supply main pipe (3) through a pipeline, each gas film unit (10) is respectively and fixedly connected with the outer ring cable (1) and the inner ring cable (2) through two clamp connecting pieces (6), the gas film unit (10) at the connecting part of the end part of the outer ring cable (1) and the end part of the inner ring cable (2) is fixedly connected with the top of the stadium through a corner connecting piece (11), the upper extension direction of the outer ring cable (1) is arranged on a side beam (12), the outer ring cable (1) is arranged on the side beam (12) through a connecting clamp, the side beam (12) is welded and arranged on the plurality of roof fixing piece connecting pieces (4), the bottom end of each roof fixing piece (4) is connected with the top of the stadium through a bolt, the upper ring cable (13) is arranged above the gas film units (10) and the upper ring cable (13) is fixedly connected with the middle radial assemblies (7), the upper ring cable (13) is respectively fixedly connected with the top end of the roof fixing piece connecting piece (4) through a plurality of upper pulling cables (17), the lower ring cable (14) is arranged below the plurality of air film units (10), the upper ring cable (13) and the lower ring cable (14) are fixedly connected through the flying column (16), a plurality of lower pulling cables (15) are arranged on the lower ring cable (14), one end of each lower pulling cable (15) is fixedly connected with the lower ring cable (14), and the other end of each lower pulling cable (15) is fixedly connected with the bottom end of the roof fixing piece connecting piece (4).
2. A roof construction method of a suspension type roof for stadium reconstruction as recited in claim 1, wherein: the method is realized according to the following steps:
the method comprises the following steps: manufacturing an air film factory: the cutting of a membrane material and the heat seal work after cutting are realized by the air membrane unit (10) in a processing plant, a diaphragm in the air membrane unit (10) is connected with an upper membrane and a lower membrane in a heat seal mode, an inflation inlet is reserved, a through hole for installing a guy cable is reserved on the air membrane unit (10), the air tightness of the air membrane unit (10) is detected, the internal tightness of the structure of the air membrane unit (10) is ensured to be good, and finally the processed air membrane unit (10) is transported to the place where the actual engineering is located for standby;
step two: gas film reeving: an on-site air film unit (10) is inflated to penetrate, a plurality of roof fixing part connecting pieces (4) are arranged at the tops of all rows of trusses on the top of a stadium, the outer ring cable (1) is ensured to be reliably connected with the top of the stadium, meanwhile, the processed air film unit (10) is unfolded in an edge empty field, the processed air film units (10) are arranged along the length direction, the edges of the two sides of the structure of the air film unit (10) are respectively arranged on the outer ring cable (1) and the inner ring cable (2) through clamp connecting pieces (6), the two ends of the outer ring cable (1) are respectively fixed with the two ends of the inner ring cable (2), an outer ring air supply main pipe (3) is fixedly connected with the outer ring cable (1) through an outer ring hoop connecting piece (5), two adjacent air film units (10) are fixedly connected through a plurality of middle radial cable assemblies (7), and the outer ring air supply main pipe (3) is respectively connected with one air film unit (10) in a sealing mode through a plurality of pipelines, each air film unit (10) is hermetically connected with the middle air supply main pipe (9) through a pipeline, each middle radial cable assembly (7) is fixedly connected with the corresponding middle air supply main pipe (9) through a middle radial hoop connecting piece (8), and each air film unit (10) is inflated through a ventilation machine to the outer ring air supply main pipe (3) and the middle air supply main pipe (9);
step three: fixing an air film: hooking two ends of the outer ring cable (1) and the inner ring cable (2) through a crane hook, moving the air film unit (10) fixed by the reeving in the step two to an appointed position, fixedly connecting the air film unit with the tops of all the trusses on the top of the stadium through a plurality of roof fixing part connecting pieces (4), fixedly connecting the outer ring cable (1) and the outer ring air supply main pipe (3) with the plurality of roof fixing part connecting pieces (4), fixing the outer edge cable with a support on a truss of a main body structure, and fixing two ends of the outer ring cable (1) and two ends of the inner ring cable (2) with the truss of the top of the stadium;
step four: the medium radial cable assembly (7) is fixed through a hydraulic jack, so that simplicity and feasibility are achieved, and the construction speed is increased.
3. The suspension type roof construction method for the modification of the stadium according to claim 2, wherein: the method also comprises the step two that the gas filled in the gas film unit (10) is helium.
4. The suspension type roof construction method for the modification of the stadium according to claim 2, wherein: and a pressure detector is arranged on each air film unit (10), and the pressure in each air film unit (10) is detected by the pressure detector to enable the pressure in each air film unit (10) to be 500 Pa.
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| CN202010413626.0A CN111535491B (en) | 2020-05-15 | 2020-05-15 | Suspended roof for stadium reconstruction and roof construction method |
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| CN202010413626.0A CN111535491B (en) | 2020-05-15 | 2020-05-15 | Suspended roof for stadium reconstruction and roof construction method |
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| WO2020212718A1 (en) * | 2019-04-19 | 2020-10-22 | Soletanche Freyssinet | Method of mounting a roof structure |
| CN112052509B (en) * | 2020-09-24 | 2022-09-09 | 黑龙江省琼冰建筑设计有限公司 | Design method of multi-cavity combined air film template suitable for free-form surface thin shell construction |
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| CN104131639B (en) * | 2014-08-11 | 2016-08-31 | 哈尔滨工业大学 | Inflated type reticulated shell-string structure |
| CN105484358A (en) * | 2016-01-14 | 2016-04-13 | 深圳市中德膜结构有限公司 | Large-span membrane structure roof |
| JP2019070290A (en) * | 2017-10-11 | 2019-05-09 | 株式会社竹中工務店 | Membrane roof and repair method of existing structure |
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