CN108153969A - A kind of method and construction method that diplocardia ellipse Provincial Rink roof system is calculated based on Kai Weite grids major elements - Google Patents
A kind of method and construction method that diplocardia ellipse Provincial Rink roof system is calculated based on Kai Weite grids major elements Download PDFInfo
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Abstract
A kind of method and construction method that diplocardia ellipse Provincial Rink roof system is calculated based on Kai Weite grids major elements, the present invention relates to the methods and construction method for calculating diplocardia ellipse Provincial Rink roof system.Solve the problem of that the complicated component standardization degree of structural elements arrangement is low, processing quantity is more, difficulty of construction is high in the prior art.Computational methods：First, the standardized designs of plane grid system；2nd, basic projection line generation；3rd, circumferential network generation；4th, merge grid generation；5th, structured grid system generates.Construction method：The assembly of vesica piscis truss is carried out at ground place center；Low level circumferential direction installation is carried out to last quarter rope and strut；Prestressing force is applied by last quarter rope, integral jacking then is carried out to vesica piscis truss, synchronizes and last quarter rope and strut is promoted；After vesica piscis truss, last quarter rope and strut are promoted in place, circumferential rod piece and radial direction rod piece are installed；Outer shroud girder steel is installed, overall structure is completed and reinforces；Roofing network is installed.
Description
Technical field
The present invention relates to the methods and construction method for calculating diplocardia ellipse Provincial Rink roof system.
Background technology
With the success of declaring of Winter Olympic Games in 2022, winter sports just gradually in nationwide fitness programs field with obtaining dominance
Position, the upsurge that ice and snow stadiums are built in all parts of the country are risen one after another.Wherein, main road Provincial Rink is as in winter sports venue
A kind of building facilities more important, widely used, acceptance is strong, development prospect are wide.Because its architectural image is complicated, plane
Irregularly, spatial extent is huge, and relatively stringent quality requirement and strength criterion are given in construction standards.To ensure to build
Structure safety and building it is beautiful, existing main road Provincial Rink roof system multiselect reticulated shell or truss structure system, structure type
Complicated, modeling difficulty, and scantling differs, field operation difficulty is big, be easy to cause manpower and waste of material, seriously affects
The construction quality and construction speed of building.
Invention content
The invention solves the arrangement complexity of structural elements in the prior art, and component standardization degree is low, processing quantity is more, applies
The problem of work difficulty is high, and provide and a kind of calculate diplocardia ellipse Provincial Rink roof system based on Kai Weite grids major elements
Method and construction method.
A kind of method for calculating diplocardia ellipse Provincial Rink roof system based on Kai Weite grids major elements is according to following
What step carried out：
First, the standardized designs of plane grid system：
According to place transverse axis size, center of circle O is determined1, center of circle O2And radius r1, using transverse axis as symmetry axis, with
Center of circle O1For the center of circle, with r1The oval camber line that angle is 135 ° is drawn for radiusWith center of circle O2For the center of circle, with r1For radius
Draw the oval camber line that angle is 135 °The oval camber lineWith oval camber lineOpening direction is opposite to be set
It puts；And the A1With A4Positioned at the homonymy of transverse axis, A2With A3Positioned at the homonymy of transverse axis；
By oval camber lineTwo endpoints and center of circle O1It is connected, by oval camber lineTwo endpoints and the center of circle
O2It is connected, extends line segment A1O1, line segment A2O1, line segment A3O2And line segment A4O2, two intersection points are obtained as center of circle P1And center of circle P2,
If line segment P1O1The distance between be r2, respectively with P1、P2For the center of circle, with (r2+r1) it is that radius draws oval camber line respectively
And oval camber lineOval camber lineOval camber lineOval camber lineAnd oval camber lineForm outside
Edge curve；Respectively with P1、P2For the center of circle, with r2Draw two oval camber lines respectively for radiusTwo oval camber lines
Form inward flange curve；
According to K8 type Kai Weite structural principles, outer edge curve radially segmentation number is determined, it is right based on radially isometric principle
Outer edge curve carries out radial direction fixed number decile, by center of circle O1With oval camber linePartial nodes is waited to carry out radially connected, by the center of circle
O2With oval camber linePartial nodes is waited to carry out radially connected, described oval camber lineAnd oval camber lineOn decile
The phrasing points' numbers such as number of nodes and inward flange curve are identical, internal boundary curve radial direction fixed number decile, respectively by oval camber line
And oval camber lineOn wait partial nodes on inward flange curve wait partial nodes progress it is radially connected, obtain sagittal plane
Network B；
2nd, basic projection line generation：
Using Rhino3D NURBS Parameterized Softwares, sagittal plane network B is thrown in roofing using space projection method
Shadow positions, and sagittal plane network B is projected to curved surface, generates radial direction rod piece network C；
3rd, circumferential network generation；
Using K8 type Kai Weite structural principles, according to span, rise and circumferential repeat region number, obtain on radial direction rod piece
The node number of turns and radial direction rod piece and circumferential bar cross section size, based on the isometric principle of space camber line, to radial direction rod piece network C
Carry out lateral fixed number decile, then will etc. partial nodes carry out lateral connection, generate circumferential rod piece network D；
4th, merge grid generation；
Two neighboring radial direction rod piece horizontal distance is controlled to be more than or equal to 3m, when the two neighboring horizontal minimum range of radial direction rod piece
During less than 3m, adjacent radial rod piece is deleted, generates roof grid E；
5th, structured grid system generates；
Last quarter rope and strut are generated according to roof grid E, generate diplocardia ellipse Provincial Rink roof system；
Circumferential rod piece, radial direction rod piece, last quarter rope and the strut is configured to standard prestressing force beam string structure.
The construction method of diplocardia ellipse Provincial Rink roof system follows the steps below：
First, the assembly of vesica piscis truss is carried out at ground place center；
The double-deck truss structure that the vesica piscis truss is made of annular truss and spindle-shaped truss；
2nd, low level circumferential direction installation is carried out to last quarter rope and strut；
3rd, prestressing force is applied by last quarter rope, integral jacking then is carried out to vesica piscis truss, is synchronized to last quarter rope and support
Bar is promoted；
4th, after vesica piscis truss, last quarter rope and strut are promoted in place, circumferential rod piece and radial direction rod piece are installed；
Circumferential rod piece, radial direction rod piece, last quarter rope and the strut is configured to standard prestressing force beam string structure；
The single-layer latticed shell of the circumferential rod piece and radial direction rod piece composition is roof grid E；
The 5th, outer shroud girder steel is installed, complete overall structure and reinforce；
The 6th, roofing network is installed, that is, complete the construction method of diplocardia ellipse Provincial Rink roof system；
The roofing network is the external roofing coordinated with the spatial mesh structure of roof grid E.
The beneficial effects of the invention are as follows：The diplocardia ellipse Provincial Rink roof system of the present invention is given birth to by computer automation
Into factory carries out element precast processing, by the structural system of standardization, can effectively reduce more than 30% the number of components, section
About more than 30% construction material, and construction quality is effectively promoted, meet modern architecture industrialization and the requirement of green construction；
The component standardization that system and construction method of the present invention use produces, live low level is assembled, part (vesica piscis purlin
Frame) technical solution being combined with whole (roof system) promotion is jacked, construction efficiency can be effectively improved, save the construction period,
More than 20% construction cost is reduced, realizes green construction, intelligence construction.
The present invention is advantageously implemented main road Provincial Rink in nationwide standardized designs and standardization construction, and then increases
Sportsman is conducive to the holding of athletes ' performance and stablizes promoted to the adaptability of venue, place.
The present invention is for a kind of method that diplocardia ellipse Provincial Rink roof system is calculated based on Kai Weite grids major elements
And construction method.
Description of the drawings
Fig. 1 is that the present invention is based on the method and steps that Kai Weite grids major elements calculate diplocardia ellipse Provincial Rink roof system
One procedure chart；
Fig. 2 is that the present invention is based on the method and steps that Kai Weite grids major elements calculate diplocardia ellipse Provincial Rink roof system
Procedure chart in two；B is sagittal plane network B, and C is radial direction rod piece network C；
Fig. 3 is that the present invention is based on the method and steps that Kai Weite grids major elements calculate diplocardia ellipse Provincial Rink roof system
Three procedure chart；D is circumferential rod piece network D；
Fig. 4 is that the present invention is based on the method and steps that Kai Weite grids major elements calculate diplocardia ellipse Provincial Rink roof system
Four procedure chart；E is roof grid E；
Fig. 5 is that the present invention is based on the method and steps that Kai Weite grids major elements calculate diplocardia ellipse Provincial Rink roof system
Five procedure chart；F is last quarter rope；G is strut；
Fig. 6 is the procedure chart of the construction method step one of diplocardia ellipse Provincial Rink roof system of the present invention；1 is vesica piscis purlin
Frame, 1-1 are annular truss, and 1-2 is spindle-shaped truss；
Fig. 7 is the procedure chart of the construction method step two of diplocardia ellipse Provincial Rink roof system of the present invention；2 be last quarter rope, 3
For strut；
Fig. 8 is the procedure chart of the construction method step three of diplocardia ellipse Provincial Rink roof system of the present invention；
Fig. 9 is the procedure chart of the construction method step four of diplocardia ellipse Provincial Rink roof system of the present invention；4 be radial bars
Part, 5 be circumferential rod piece；
Figure 10 is the procedure chart of the construction method step five of diplocardia ellipse Provincial Rink roof system of the present invention；6 be outer shroud steel
Beam；
Figure 11 is the procedure chart of the construction method step six of diplocardia ellipse Provincial Rink roof system of the present invention；7 be roofing net
Lattice structure；
Figure 12 is the structural plan figure of seven roofing network of specific embodiment, and 4 be roof grid E, and 12 be metal edges
Rib, 13 be aluminum-magnesium-manganese alloy roof plate；
Figure 13 is the structural perspective of seven roofing network of specific embodiment, and 4 be roof grid E, and 12 be metal edges
Rib, 13 be aluminum-magnesium-manganese alloy roof plate.
Specific embodiment
Technical solution of the present invention is not limited to the specific embodiment of act set forth below, further include each specific embodiment it
Between arbitrary combination.
Specific embodiment one：Present embodiment, a kind of base described in present embodiment are illustrated with reference to Fig. 1 to Fig. 5
It is followed the steps below in the method that Kai Weite grids major elements calculate diplocardia ellipse Provincial Rink roof system：
First, the standardized designs of plane grid system：
According to place transverse axis size, center of circle O is determined1, center of circle O2And radius r1, using transverse axis as symmetry axis, with
Center of circle O1For the center of circle, with r1The oval camber line that angle is 135 ° is drawn for radiusWith center of circle O2For the center of circle, with r1For radius
Draw the oval camber line that angle is 135 °The oval camber lineWith oval camber lineOpening direction is opposite to be set
It puts；And the A1With A4Positioned at the homonymy of transverse axis, A2With A3Positioned at the homonymy of transverse axis；
By oval camber lineTwo endpoints and center of circle O1It is connected, by oval camber lineTwo endpoints and the center of circle
O2It is connected, extends line segment A1O1, line segment A2O1, line segment A3O2And line segment A4O2, two intersection points are obtained as center of circle P1And center of circle P2,
If line segment P1O1The distance between be r2, respectively with P1、P2For the center of circle, with (r2+r1) it is that radius draws oval camber line respectively
And oval camber lineOval camber lineOval camber lineOval camber lineAnd oval camber lineForm outside
Edge curve；Respectively with P1、P2For the center of circle, with r2Draw two oval camber lines respectively for radiusTwo oval camber lines
Form inward flange curve；
According to K8 type Kai Weite structural principles, outer edge curve radially segmentation number is determined, it is right based on radially isometric principle
Outer edge curve carries out radial direction fixed number decile, by center of circle O1With oval camber linePartial nodes is waited to carry out radially connected, by the center of circle
O2With oval camber linePartial nodes is waited to carry out radially connected, described oval camber lineAnd oval camber lineOn decile
The phrasing points' numbers such as number of nodes and inward flange curve are identical, internal boundary curve radial direction fixed number decile, respectively by oval camber line
And oval camber lineOn wait partial nodes on inward flange curve wait partial nodes progress it is radially connected, obtain sagittal plane
Network B；
2nd, basic projection line generation：
Using Rhino3D NURBS Parameterized Softwares, sagittal plane network B is thrown in roofing using space projection method
Shadow positions, and sagittal plane network B is projected to curved surface, generates radial direction rod piece network C；
3rd, circumferential network generation；
Using K8 type Kai Weite structural principles, according to span, rise and circumferential repeat region number, obtain on radial direction rod piece
The node number of turns and radial direction rod piece and circumferential bar cross section size, based on the isometric principle of space camber line, to radial direction rod piece network C
Carry out lateral fixed number decile, then will etc. partial nodes carry out lateral connection, generate circumferential rod piece network D；
4th, merge grid generation；
Two neighboring radial direction rod piece horizontal distance is controlled to be more than or equal to 3m, when the two neighboring horizontal minimum range of radial direction rod piece
During less than 3m, adjacent radial rod piece is deleted, generates roof grid E；
5th, structured grid system generates；
Last quarter rope and strut are generated according to roof grid E, generate diplocardia ellipse Provincial Rink roof system；
Circumferential rod piece, radial direction rod piece, last quarter rope and the strut is configured to standard prestressing force beam string structure.
Fig. 3 relative to Fig. 2 center rods be exactly externally rod piece radiation direction inwardly arrange that junction forms.
Standard prestressing force beam string structure described in present embodiment is the prestressed beam string of application of standardization.For main road
The place of Provincial Rink is generally oval, due to the difference of ellipse long and short shaft length, according to radial arrangement truss, no
It can be the same as standard round in each truss structure length from the center of circle to external radiation, that is, so-called standard
Truss string structure.And ellipse by elliptical segmentation, being become the combination of four heart circular arc lines, in this way, by by one by the present invention
Elliptical outer contour becomes the combination with multistage positive round segmental arc, and passes through the calculating of four center locations so that from different circles
The truss string structure length that the heart radially outwardly radiates arrangement is all consistent, either the length of truss, height, the length of strut
Degree etc. is all consistent, and what this was also reformed into can unify the standard truss replicated according to modulus.
A kind of diplocardia ellipse Provincial Rink roof system based on Kai Weite grid major elements of present embodiment, first basis
K8 types Kai Weite (Kiewitt) structural principle forms the grid that sizing grid is consistent, internal force is evenly distributed in Provincial Rink roof system
System, and combine Rhino3D NURBS Parameterized Softwares, realize structural system automatically generate and Dummy modeling.
Present embodiment is required according to building function, determines diplocardia transverse size, with reference to K8 types Kai Weite
(Kiewitt) structural principle draws four sections of 1/8 symmetrical suspended-dome structures, as sagittal plane network；Plane grid
Projection generates projection line to curved surface；By radial grid decile, and lateral connection successively, generate circumferential rod piece；Reduce part mistake
Close rod piece optimizes grid configuration, is formed and merges grid；According to grid system is merged, rope net and strut are generated, generates roofing
Grid system.
A kind of method that diplocardia ellipse Provincial Rink roof system is calculated based on Kai Weite grids major elements of present embodiment
And construction method, its purpose is to provide a kind of standardised space grid systems suitable for main road Provincial Rink roof system, are ski-running
The standardized designs in shop and quick construction providing method guarantee.
Present embodiment suspen-shell structure system is made of top rigidity bending component, lower flexible drag-line and strut, is filled
Divide the mechanical characteristic using steel and drag-line, building structure integrated degree is high, moulding is adaptable, suitable for standardization
Venue construction.And main road Provincial Rink competition area, building the scale of construction be relatively fixed, be applicable in such structural system.Wherein, Kai Wei
Spherical surface is divided into symmetric fanning curved surface, each fan-shaped curved surface Intranet of formation by special Kiewitt types suspended-dome structure by notochord
The division of lattice size is uniform, each rod size is identical, construction feasibility is high, is conducive to standardized designs, factorial praluction and scene
Makeup is matched.
The advantageous effect of present embodiment is：The diplocardia ellipse Provincial Rink roof system of present embodiment by computer from
Dynamic metaplasia is into factory carries out element precast processing, by the structural system of standardization, can effectively reduce more than 30% component
Quantity saves more than 30% construction material, and effectively promotes construction quality, meets modern architecture industrialization and green construction
Requirement；
The component standardization that present embodiment system and construction method use produces, live low level is assembled, part (vesica piscis
Truss) technical solution that jacking and whole (roof system) promotion are combined, construction efficiency can be effectively improved, saves and builds week
Phase reduces by more than 20% construction cost, realizes green construction, intelligence construction.
Present embodiment is advantageously implemented main road Provincial Rink in nationwide standardized designs and standardization construction, and then
Increase adaptability of the sportsman to venue, place, be conducive to the holding of athletes ' performance and stablize promoted.
Specific embodiment two：The present embodiment is different from the first embodiment in that：The standard prestressing force
String beam is 48 Pin standard prestressing force beam string structures.It is other same as the specific embodiment one.
Specific embodiment three：Present embodiment, the diplocardia described in present embodiment are illustrated with reference to Fig. 6 to Figure 11
The construction method of oval Provincial Rink roof system follows the steps below：
First, the assembly of vesica piscis truss is carried out at ground place center；
The double-deck truss structure that the vesica piscis truss is made of annular truss and spindle-shaped truss；
2nd, low level circumferential direction installation is carried out to last quarter rope and strut；
3rd, prestressing force is applied by last quarter rope, integral jacking then is carried out to vesica piscis truss, is synchronized to last quarter rope and support
Bar is promoted；
4th, after vesica piscis truss, last quarter rope and strut are promoted in place, circumferential rod piece and radial direction rod piece are installed；
Circumferential rod piece, radial direction rod piece, last quarter rope and the strut is configured to standard prestressing force beam string structure；
The single-layer latticed shell of the circumferential rod piece and radial direction rod piece composition is roof grid E；
The 5th, outer shroud girder steel is installed, complete overall structure and reinforce；
The 6th, roofing network is installed, that is, complete the construction method of diplocardia ellipse Provincial Rink roof system；
The roofing network is the external roofing coordinated with the spatial mesh structure of roof grid E.
Structural elements is carried out Prefabrication by present embodiment, according to construction method, realizes showing for Provincial Rink roof structure
Field assembling.
The advantageous effect of present embodiment is：The diplocardia ellipse Provincial Rink roof system of present embodiment by computer from
Dynamic metaplasia is into factory carries out element precast processing, by the structural system of standardization, can effectively reduce more than 30% component
Quantity saves more than 30% construction material, and effectively promotes construction quality, meets modern architecture industrialization and green construction
Requirement；
The component standardization that present embodiment system and construction method use produces, live low level is assembled, part (vesica piscis
Truss) technical solution that jacking and whole (roof system) promotion are combined, construction efficiency can be effectively improved, saves and builds week
Phase reduces by more than 20% construction cost, realizes green construction, intelligence construction.
Present embodiment is advantageously implemented main road Provincial Rink in nationwide standardized designs and standardization construction, and then
Increase adaptability of the sportsman to venue, place, be conducive to the holding of athletes ' performance and stablize promoted.
Specific embodiment four：Present embodiment is unlike specific embodiment three：Standard described in step 4
Prestressing force beam string structure is 48 Pin standard prestressing force beam string structures.It is other identical with specific embodiment three.
Specific embodiment five：Unlike one of present embodiment and specific embodiment three or four：Institute in step 4
The standard prestressing force beam string structure stated is attached with vesica piscis truss using pin type articulated joints.Other and specific implementation
Mode three or four is identical.
Specific embodiment six：Unlike one of present embodiment and specific embodiment three to five：Institute in step 6
The roofing network stated is equipped with the snowflake pattern of six diamond shape compositions in the spatial mesh structure of roof grid E.Its
It is identical with specific embodiment three to five.
Present embodiment is expression region feature, realizes the form optimization of roof network, incorporates distinct Chinese characteristics and ice
The special elements such as upper movement.
Specific embodiment seven：Present embodiment, present embodiment and specific implementation are illustrated with reference to Figure 12 to Figure 13
Unlike one of mode three to six：The snowflake pattern of six diamond shapes composition is by aluminum-magnesium-manganese alloy roof plate and metal
Side rib is formed.It is other identical with specific embodiment three to six.
Specific embodiment eight：Unlike one of present embodiment and specific embodiment three to seven：Institute in step 6
The roofing network paving mode stated is laid with for whole laying or piecemeal.It is other identical with specific embodiment three to seven.
Beneficial effects of the present invention are verified using following embodiment：
Embodiment one：The present embodiment is illustrated with reference to Fig. 1 to Figure 13：
A kind of method for calculating diplocardia ellipse Provincial Rink roof system based on Kai Weite grids major elements is according to following
What step carried out：
First, the standardized designs of plane grid system：
According to place transverse axis size, center of circle O is determined1, center of circle O2And radius r1, using transverse axis as symmetry axis, with
Center of circle O1For the center of circle, with r1The oval camber line that angle is 135 ° is drawn for radiusWith center of circle O2For the center of circle, with r1For radius
Draw the oval camber line that angle is 135 °The oval camber lineWith oval camber lineOpening direction is opposite to be set
It puts；And the A1With A4Positioned at the homonymy of transverse axis, A2With A3Positioned at the homonymy of transverse axis；
By oval camber lineTwo endpoints and center of circle O1It is connected, by oval camber lineTwo endpoints and the center of circle
O2It is connected, extends line segment A1O1, line segment A2O1, line segment A3O2And line segment A4O2, two intersection points are obtained as center of circle P1And center of circle P2,
If line segment P1O1The distance between be r2, respectively with P1、P2For the center of circle, with (r2+r1) it is that radius draws oval camber line respectively
And oval camber lineOval camber lineOval camber lineOval camber lineAnd oval camber lineForm outside
Edge curve；Respectively with P1、P2For the center of circle, with r2Draw two oval camber lines respectively for radiusTwo oval camber lines
Form inward flange curve；
According to K8 type Kai Weite structural principles, outer edge curve radially segmentation number is determined, it is right based on radially isometric principle
Outer edge curve carries out radial direction fixed number decile, by center of circle O1With oval camber linePartial nodes is waited to carry out radially connected, by the center of circle
O2With oval camber linePartial nodes is waited to carry out radially connected, described oval camber lineAnd oval camber lineOn decile
The phrasing points' numbers such as number of nodes and inward flange curve are identical, internal boundary curve radial direction fixed number decile, respectively by oval camber line
And oval camber lineOn wait partial nodes on inward flange curve wait partial nodes progress it is radially connected, obtain sagittal plane
Network B；
2nd, basic projection line generation：
Using Rhino3D NURBS Parameterized Softwares, sagittal plane network B is thrown in roofing using space projection method
Shadow positions, and sagittal plane network B is projected to curved surface, generates radial direction rod piece network C；
3rd, circumferential network generation；
Using K8 type Kai Weite structural principles, according to span, rise and circumferential repeat region number, obtain on radial direction rod piece
The node number of turns and radial direction rod piece and circumferential bar cross section size, based on the isometric principle of space camber line, to radial direction rod piece network C
Carry out lateral fixed number decile, then will etc. partial nodes carry out lateral connection, generate circumferential rod piece network D；
4th, merge grid generation；
Two neighboring radial direction rod piece horizontal distance is controlled to be more than or equal to 3m, when the two neighboring horizontal minimum range of radial direction rod piece
During less than 3m, adjacent radial rod piece is deleted, generates roof grid E；
5th, structured grid system generates；
Last quarter rope and strut are generated according to roof grid E, generate diplocardia ellipse Provincial Rink roof system；
Circumferential rod piece, radial direction rod piece, last quarter rope and the strut is configured to standard prestressing force beam string structure；
The standard prestressing force beam string structure is 48 Pin standard prestressing force beam string structures.
The construction method of the diplocardia ellipse Provincial Rink roof system of above-mentioned calculating, follows the steps below：
First, the assembly of vesica piscis truss is carried out at ground place center；
The double-deck truss structure that the vesica piscis truss is made of annular truss and spindle-shaped truss；
2nd, low level circumferential direction installation is carried out to last quarter rope and strut；
3rd, prestressing force is applied by last quarter rope, integral jacking then is carried out to vesica piscis truss, is synchronized to last quarter rope and support
Bar is promoted；
4th, after vesica piscis truss, last quarter rope and strut are promoted in place, circumferential rod piece and radial direction rod piece are installed；
Circumferential rod piece, radial direction rod piece, last quarter rope and the strut is configured to standard prestressing force beam string structure；
The single-layer latticed shell of the circumferential rod piece and radial direction rod piece composition is roof grid E；
The 5th, outer shroud girder steel is installed, complete overall structure and reinforce；
The 6th, roofing network is installed, that is, complete the construction method of diplocardia ellipse Provincial Rink roof system；
The roofing network is the external roofing coordinated with the spatial mesh structure of roof grid E；
Standard prestressing force beam string structure described in step 4 is 48 Pin standard prestressing force beam string structures；
Standard prestressing force beam string structure described in step 4 is connected with vesica piscis truss using pin type articulated joints
It connects；
Roofing network described in step 6 is equipped with six diamond shapes in the spatial mesh structure of roof grid E
The snowflake pattern of composition；
The snowflake pattern of six diamond shapes composition is made of aluminum-magnesium-manganese alloy roof plate and metal edges rib；
Roofing network paving mode described in step 6 is laid with for piecemeal.
The diplocardia ellipse Provincial Rink roof system of the present embodiment is generated by computer automation, and factory carries out element precast
Processing by the structural system of standardization, can effectively reduce more than 30% the number of components, save more than 30% Building wood
Material, and construction quality is effectively promoted, meet modern architecture industrialization and the requirement of green construction；
The component standardization that the present embodiment system and construction method use produces, live low level is assembled, part (vesica piscis purlin
Frame) technical solution being combined with whole (roof system) promotion is jacked, construction efficiency can be effectively improved, save the construction period,
More than 20% construction cost is reduced, realizes green construction, intelligence construction.
The present embodiment is advantageously implemented main road Provincial Rink in nationwide standardized designs and standardization construction, Jin Erzeng
Add sportsman to the adaptability of venue, place, be conducive to the holding of athletes ' performance and stablize promoted.
Claims (8)
- A kind of 1. method that diplocardia ellipse Provincial Rink roof system is calculated based on Kai Weite grids major elements, it is characterised in that one Kind is followed the steps below based on the method that Kai Weite grids major elements calculate diplocardia ellipse Provincial Rink roof system：First, the standardized designs of plane grid system：According to place transverse axis size, center of circle O is determined1, center of circle O2And radius r1, using transverse axis as symmetry axis, with center of circle O1 For the center of circle, with r1The oval camber line that angle is 135 ° is drawn for radiusWith center of circle O2For the center of circle, with r1Angle is drawn for radius Spend the oval camber line for 135 °The oval camber lineWith oval camber lineOpening direction is oppositely arranged；And institute The A stated1With A4Positioned at the homonymy of transverse axis, A2With A3Positioned at the homonymy of transverse axis；By oval camber lineTwo endpoints and center of circle O1It is connected, by oval camber lineTwo endpoints and center of circle O2Phase Connection extends line segment A1O1, line segment A2O1, line segment A3O2And line segment A4O2, two intersection points are obtained as center of circle P1And center of circle P2If line Section P1O1The distance between be r2, respectively with P1、P2For the center of circle, with (r2+r1) it is that radius draws oval camber line respectivelyIt is and ellipse Circular arc lineOval camber lineOval camber lineOval camber lineAnd oval camber lineIt is bent to form outer edge Line；Respectively with P1、P2For the center of circle, with r2Draw two oval camber lines respectively for radiusTwo oval camber linesIn composition Boundary curve；According to K8 type Kai Weite structural principles, outer edge curve radially segmentation number is determined, based on radially isometric principle, to outside Edge curve carries out radial direction fixed number decile, by center of circle O1With oval camber linePartial nodes is waited to carry out radially connected, by center of circle O2With it is ellipse Circular arc linePartial nodes is waited to carry out radially connected, described oval camber lineAnd oval camber lineOn wait phrasing points' numbers It is identical with the phrasing points' numbers such as inward flange curve, internal boundary curve radial direction fixed number decile, respectively by oval camber lineIt is and oval Camber lineOn wait partial nodes on inward flange curve wait partial nodes progress it is radially connected, obtain sagittal plane network B；2nd, basic projection line generation：Using Rhino3D NURBS Parameterized Softwares, sagittal plane network B in roofing project using space projection method and is determined Sagittal plane network B is projected to curved surface, generates radial direction rod piece network C by position；3rd, circumferential network generation；Using K8 type Kai Weite structural principles, according to span, rise and circumferential repeat region number, the section on radial direction rod piece is obtained The point number of turns and radial direction rod piece and circumferential bar cross section size based on the isometric principle of space camber line, carry out radial direction rod piece network C horizontal To fixed number decile, then the partial nodes such as general progress lateral connection, generates circumferential rod piece network D；4th, merge grid generation；Two neighboring radial direction rod piece horizontal distance is controlled to be more than or equal to 3m, when the two neighboring horizontal minimum range of radial direction rod piece is less than During 3m, adjacent radial rod piece is deleted, generates roof grid E；5th, structured grid system generates；Last quarter rope and strut are generated according to roof grid E, generate diplocardia ellipse Provincial Rink roof system；Circumferential rod piece, radial direction rod piece, last quarter rope and the strut is configured to standard prestressing force beam string structure.
- It is 2. according to claim 1 a kind of based on Kai Weite grids major elements calculating diplocardia ellipse Provincial Rink roof system Method, it is characterised in that the standard prestressing force beam string structure be 48 Pin standard prestressing force beam string structures.
- 3. such as the construction method for the diplocardia ellipse Provincial Rink roof system that claim 1 calculates, it is characterised in that the oval speed of diplocardia The construction method of sliding shop roof system follows the steps below：First, the assembly of vesica piscis truss is carried out at ground place center；The double-deck truss structure that the vesica piscis truss is made of annular truss and spindle-shaped truss；2nd, low level circumferential direction installation is carried out to last quarter rope and strut；3rd, prestressing force is applied by last quarter rope, integral jacking then is carried out to vesica piscis truss, synchronize to last quarter rope and strut into Row is promoted；4th, after vesica piscis truss, last quarter rope and strut are promoted in place, circumferential rod piece and radial direction rod piece are installed；Circumferential rod piece, radial direction rod piece, last quarter rope and the strut is configured to standard prestressing force beam string structure；The single-layer latticed shell of the circumferential rod piece and radial direction rod piece composition is roof grid E；The 5th, outer shroud girder steel is installed, complete overall structure and reinforce；The 6th, roofing network is installed, that is, complete the construction method of diplocardia ellipse Provincial Rink roof system；The roofing network is the external roofing coordinated with the spatial mesh structure of roof grid E.
- 4. the construction method of diplocardia ellipse Provincial Rink roof system according to claim 3, it is characterised in that in step 4 The standard prestressing force beam string structure is 48 Pin standard prestressing force beam string structures.
- 5. the construction method of diplocardia ellipse Provincial Rink roof system according to claim 3, it is characterised in that in step 4 The standard prestressing force beam string structure is attached with vesica piscis truss using pin type articulated joints.
- 6. the construction method of diplocardia ellipse Provincial Rink roof system according to claim 3, it is characterised in that in step 6 The roofing network is equipped with the snowflake pattern of six diamond shape compositions in the spatial mesh structure of roof grid E.
- 7. the construction method of diplocardia ellipse Provincial Rink roof system according to claim 5, it is characterised in that described six The snowflake pattern of a diamond shape composition is made of aluminum-magnesium-manganese alloy roof plate and metal edges rib.
- 8. the construction method of diplocardia ellipse Provincial Rink roof system according to claim 3, it is characterised in that in step 6 The roofing network paving mode is laid with for whole laying or piecemeal.
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