CN102733481B - A kind of construction method of asymmetric openings formula integral tension cable-membrane analysis - Google Patents
A kind of construction method of asymmetric openings formula integral tension cable-membrane analysis Download PDFInfo
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- CN102733481B CN102733481B CN201210200723.7A CN201210200723A CN102733481B CN 102733481 B CN102733481 B CN 102733481B CN 201210200723 A CN201210200723 A CN 201210200723A CN 102733481 B CN102733481 B CN 102733481B
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Abstract
A kind of construction method of asymmetric openings type rope film integral tension structure, specific steps include：Model is established, obtains the technical parameter for construction；Peripheral each node of steel construction and ring beam is installed from the bottom up；To the accurate blanking of rope；Strop is assembled on ground, and it is pressed from both sides into node by strop strop is connected with hoist cable, valley cable, notochord the inner；Hoist cable outer end is drawn to the corresponding node at the top of peripheral steel construction, strop, notochord and valley cable are subsequently lifted ground；It is sequencing tensioning to hoist cable, notochord, valley cable, it is set to be connected after meeting corresponding criterion with respective nodes, detect strop value, when meeting its criterion and simultaneously hoist cable, notochord, after meeting condition of valley cable, rope film tension structure is formed by tensioning overlay film between notochord, valley cable and film side rope.This method is fast and simple, and work progress structure stress is reasonable.
Description
Technical field
The invention belongs to large-span space structure field, it is related to and a kind of is made up of three layers of radial cable, strop and overlay film
Between be open integral tension structure construction method.
Background technology
Tension Foundations of Tensile Cable-membrane Structures is the structural system that a kind of tension force and drag-line by film itself collectively constitutes, structure master
To be made up of the membrane material of stretching rope and covering, drag-line is divided into valley cable, notochord or hoist cable and the side rope in film edge again,
Membrane material obtains abundant tensioning in this class formation, can bear a constant load.Such structure film unit can serve as structure level it
Between contact, while there is good carrying to act on.Because Tension Foundations of Tensile Cable-membrane Structures is handsome in appearance, build is slim and graceful, stock utilization
Height, the roof system particularly suitable for longspan structures such as physical culture exhibitions venue, airports.With the progress of computer technology, open
Membrane structure has obtained extensive development in Practical Project, and the rope net of the structure passes through film surface as structure main stress system
Tensioning makes structure formation, as secondary stress system.Because the presence of rope net, the more general Tension Foundations of Tensile Cable-membrane Structures of such rigidity of structure
Greatly, thus can be applied in longspan structure.The prestressing force of this class formation rope and film must be according to certain ratio simultaneously
Example applies.Because Tension Foundations of Tensile Cable-membrane Structures span is big, construction is complicated, and rational arrangement and method for construction can not only make structure formation state meet to set
Meter requires, while can reduce the difficulty of work progress.Different construction stretching methods may be to the stress shape after shaping structures
State has an impact, therefore rational stretching plan is related to the final stress and security performance of structure.
The content of the invention
（1）The technical problem of solution
The present invention proposes a kind of construction method for asymmetric openings type rope film integral tension structural system.The structure
System forms the space integral tension cable-membrane analysis of middle opening by three layers of hoist cable, notochord and valley cable radial cable with ring rope, leads to
The tensioning film surface crossed between notochord and valley cable forms the vertical load-bearing rigidity of rope film, hoist cable enhancing knot by the discrepancy in elevation of ridge valley cable outer end
Structure entirety vertical rigidity.The construction method of the present invention does not have to set scaffold, it is only necessary to using peripheral steel construction as support, is divided
Batch lifts synchronous tension, you can realize design into form, and construction overall process configuration state is controllable, construction safety state
Controllable, construction method is simple and direct efficiently.
（2）Technical scheme
The construction method of the present invention, to realize the structure formation state of design requirement as target, with cable-membrane analysis integral tension
For the basic principle of stretching construction, with the analysis of prestressed cable stretching construction overall process computer simulation for construction instruct according to
According to determining the pre-tensile stress б of drag-line by sequential construction analysis0, drag-line cutting length, the maximum deformation value d of strop0And draw
The priority tension sequence of rope, the final security, reasonability, succinct high efficiency for realizing construction.
A kind of construction method of asymmetric openings type integral tension cable-membrane analysis system of the present invention, it is characterized in that：Its is pre-
The basic skills of stress cable-membrane analysis construction stretching is substep lifting integral tension method.Substep lifting integral tension method refers to
According to the shape after shaping structures, drag-line is lifted to the position nearer apart from cable body anchorage node step by step by draw-gear,
Drag-line synchronous tension is anchored in place by tensioning equipment again, realizes structure finally into the stretch-draw construction method of form.
The construction method of above-mentioned asymmetric openings type rope film integral tension structural system, the construction of its prestressed cable membrane structure
Drawing is to instruct foundation with the analysis of prestressed cable stretching construction overall process computer simulation for construction.Analysis process considers knot
Structure system geometrical non-linearity.Analysis uses large-scale general finite element program, preferentially using softwares such as ANSYS, ABAQUS, uses
Newton-Raphson nonlinear iterations method solves.
The construction method of above-mentioned asymmetric openings type rope film integral tension structural system, foundation sequential construction analysis conclusion,
Its prestressed cable membrane structure construction stretching is priority tension sequence with tensioning hoist cable, tensioning notochord, tensioning valley cable, tensioning overlay film,
Strop need not carry out tensioning, ultimately form space integral tension cable-membrane analysis.
The construction method of above-mentioned asymmetric openings type rope film integral tension structural system, it is complete in any tensioning step tensioning
Cheng Hou, it is both needed to detect the drag-line tension б that tensioning is completedS, and with 0.95 б0≤бS≤1.05б0, allow construction to draw for drag-line
Stress criterion.After the completion of all final tensioning of drag-line, the maximum deformation value d of strop need to be detectedS, and with 0.90 d0≤dS≤
1.10 d0Allow construction Deformation criterion for strop.After the completion of all final tensioning of drag-line, the tension of strop need to be detected
бHS, and with 0.90 бH0≤бHS≤1.10 бH0Allow tension criterion of constructing for strop, wherein, d0To pass through overall process
The maximum deformation value for the drag-line that sequential construction analysis determines, б0The drawing of drag-line to be determined by overall process sequential construction analysis should
Power, бH0For the tension of the strop determined by overall process sequential construction analysis.
For convenience of statement, the strop being connected with valley cable and hoist cable folder node definition is that the first strop presss from both sides node by the present invention,
It is that the second strop presss from both sides node by the strop being connected with notochord folder node definition.
A kind of construction method of asymmetric openings type rope film integral tension structural system of the present invention, it is comprised the following steps that：
To realize the structure formation state of design requirement as target, using cable-membrane analysis integral tension as the basic of stretching construction
Principle, overall structure computation model is established by computer, and input dependency structure parameter, carry out prestressed cable stretching construction
Overall process computer simulation is analyzed.Try to achieve the skills such as the priority tension sequence of the prestressing force of drag-line, cutting length and drag-line
Art parameter is used for stretching construction, and analysis process considers structural system geometrical non-linearity.Analysis uses large-scale general finite element program,
Preferentially using softwares such as ANSYS, ABAQUS, solved using Newton-Raphson nonlinear iterations method.
Peripheral steel construction is first installed from the bottom up, and ring beam-valley cable node, ring beam-notochord node, ring truss are installed
Or ring beam-hoist cable node；
Draw the cutting length of each rope according to sequential construction analysis result of calculation, carry out the accurate of strop and each radial cable
Blanking；
Strop is assembled on ground, and strop is connected with hoist cable the inner and valley cable the inner by the first cord clip node,
Strop is connected with notochord the inner by the second cord clip node；
Each hoist cable outer end is drawn to corresponding ring truss or ring at the top of peripheral steel construction by lazy halyard
Beam-hoist cable node certain distance, the distance take 0.4m to 1.5m, and now strop is subsequently lifted ground together with notochord and valley cable；
Tensioning tooling is made into by traction frock, according to sequential construction analysis result of calculation, hoist cable outer end is carried out and synchronously opens
Draw, and detect the tension б for the hoist cable that tensioning is completedDS, with 0.95 бD0≤бDS≤1.05бD0Allow tension of constructing for hoist cable
Criterion, if being unsatisfactory for requiring, need to carry out tension regulation using loosening or the mode such as tense to the hoist cable of tensioning, directly
To criterion is met, after the tensioning of hoist cable outer end is in place, it is connected with top ring truss or ring beam-hoist cable node；Wherein, бD0For
The pre-tensile stress of the hoist cable determined by sequential construction analysis；
Notochord outer end is drawn close to corresponding middle level ring beam-notochord node by lazy halyard, then changes tensioning tooling into,
According to sequential construction analysis result of calculation, notochord outer end synchronous tension is carried out, and detect the tension for the notochord that tensioning is completed
бJS, with 0.95 бJ0≤бJS≤1.05бJ0Allow tension criterion of constructing for notochord, if being unsatisfactory for requiring, need to having opened
The notochord of drawing carries out tension regulation using loosening or the mode such as tenses, and up to meeting criterion, the tensioning of notochord outer end is in place
Afterwards, to ring beam-notochord node location, and it is connected with ring beam-notochord node；Wherein, бJ0Determined by sequential construction analysis
The pre-tensile stress of notochord；
Valley cable outer end is drawn close to corresponding ring beam-valley cable node by lazy halyard, then changes tensioning tooling into, according to
Sequential construction analysis result of calculation, valley cable outer end synchronous tension is carried out, and detect the tension б for the valley cable that tensioning is completedGS, with
0.95бG0≤бGS≤1.05бG0Allow tension criterion of constructing for valley cable, if being unsatisfactory for requiring, need the paddy to tensioning
Suo Caiyong loosens or tensed etc. mode and carries out tension regulation, until meeting criterion, after the tensioning of valley cable outer end is in place, to ring
Beam-valley cable node location, and be connected with ring beam-valley cable node；Wherein, бG0For the pre- of the valley cable that is determined by sequential construction analysis
Tension；
Detect the maximum deformation value d of stropS, and with 0.90 d0≤dS≤1.10 d0Construction Deformation is allowed to differentiate for strop
Condition；Detect the tension б of stropHS, and with 0.90 бH0≤бHS≤1.10 бH0, allow tension differentiation bar of constructing for strop
Part, wherein, бH0For the tension of the strop determined by overall process sequential construction analysis；If being unsatisfactory for requiring, need to adjust again
Hoist cable, notochord, the tension of valley cable are saved, until meeting that strop allows construction Deformation criterion and allows tension differentiation of constructing
Condition, at the same be required to meet hoist cable, notochord, valley cable allow construct tension criterion；
According to sequential construction analysis result of calculation, pass through tensioning overlay film shape between adjacent notochord, valley cable and film side rope
Into rope film tension structure.
Above-mentioned construction method can also be improved, by above-mentioned steps-Replaced with following steps：
Strop is assembled on ground, and node is pressed from both sides by the first strop and is connected with hoist cable the inner, while the second strop is pressed from both sides
Node is connected to strop；
Each hoist cable outer end is drawn to corresponding ring truss or ring beam at the top of peripheral steel construction by lazy halyard
Hoist cable-node certain distance, the distance take 0.4m to 1.5m, and now strop is subsequently lifted ground；
Node is pressed from both sides by the first strop with valley cable the inner to be connected, press from both sides node by the second strop is connected with notochord the inner
Connect.
（3）Beneficial effect
Present invention employs substep to lift cable-membrane analysis integral tension construction method, and complete with prestressed cable stretching construction
The analysis of process computer analogue simulation instructs foundation for construction, it is ensured that the structural form after the completion of actual stretching construction meets
Design structure into form requirement, it is simple and direct efficiently to realize the asymmetric saddle of large-span stadium roof open-type integral tension cable-membrane analysis
The architectural image of shape, construction overall process structural stress state is controllable, and construction safety state can control, the simple and direct height of construction method
Effect.
Brief description of the drawings
Fig. 1 is integral tension cable-membrane analysis profile,
Fig. 2 is integral tension cable-membrane analysis graphics,
Fig. 3 is integral tension cable-membrane analysis partial 3 d figure,
Fig. 4 is integral tension cable-membrane analysis part sectioned view,
Fig. 5 is the strop folder node being connected with valley cable and hoist cable,
Fig. 6 is the strop folder node being connected with notochord,
Fig. 7 is ring truss or ring beam hoist cable node,
Fig. 8 is ring beam-notochord node,
Fig. 9 is ring beam-valley cable node,
Figure 10 is construction process figure of the present invention.
In each accompanying drawing：1 hoist cable, 2 notochords, 3 valley cables, 4 strops, 5 overlay films, 6 ring truss or ring beam-hoist cable node, 7 peripheries
Strop folder node i.e. the first strop that steel construction, 8 ring beams-notochord node, 9 ring beams-valley cable node, 10 are connected with valley cable and hoist cable
Strop folder node i.e. the second strop folder node, the 12 film side ropes that folder node, 11 are connected with notochord.
Embodiment
Embodiment 1
By taking certain stadium project as an example, to illustrate applying for asymmetric openings formula integral tension cable-membrane analysis of the present invention
Work method, it comprises the following steps：
To realize the structure formation state of design requirement as target, using cable-membrane analysis integral tension as the basic of stretching construction
Principle, overall structure computation model is established by computer, and input dependency structure parameter, carry out prestressed cable stretching construction
Overall process computer simulation is analyzed.Try to achieve the skills such as the priority tension sequence of the prestressing force of drag-line, cutting length and drag-line
Art parameter is used for stretching construction, and analysis process considers structural system geometrical non-linearity.Analysis uses ANSYS softwares, uses
Newton-Raphson nonlinear iterations method solves.
First peripheral steel construction 7 is installed from the bottom up, and install ring beam-valley cable node 9, ring beam-notochord node 8, ring beam-
Hoist cable node 6 etc.；
The cutting length of each rope is drawn according to sequential construction analysis result of calculation, carrying out strop 4 and each radial cable includes
The accurate blanking of hoist cable 1, notochord 2, valley cable 3；
Strop 4 is assembled on ground, and node 10 is pressed from both sides by the first strop and is connected with the inner of hoist cable 1 and the inner of valley cable 3,
Node 11 is pressed from both sides by the second strop with the inner of notochord 2 to be connected；
Each outer end of hoist cable 1 is drawn to corresponding apart from the peripheral top ring truss of steel construction 7 or ring beam 6 by lazy halyard
Connecting node certain distance, the distance take 0.4m to 1.5m, and now notochord 2 and valley cable 3 are subsequently lifted ground with strop 4；
Tensioning tooling is made into by traction frock, according to sequential construction analysis result of calculation, the outer end of hoist cable 1 is carried out and synchronously opens
Draw, and detect the tension б for the hoist cable 1 that tensioning is completedDS, with 0.95 бD0≤бDS≤1.05бD0Allowing construction to draw for hoist cable 1 should
Power criterion, if being unsatisfactory for requiring, need to carry out tension tune using loosening or the mode such as tense to the hoist cable 1 of tensioning
Section, until meeting criterion, after the outer end tensioning of hoist cable 1 is in place, it is connected with top ring truss or ring beam-hoist cable node 6；
The outer end of notochord 2 is drawn close to corresponding middle level ring beam-notochord node 8 by lazy halyard, then changes tensioning work into
Dress, according to sequential construction analysis result of calculation, the outer end synchronous tension of notochord 2 is carried out, and detect the drawing for the notochord 2 that tensioning is completed
Stress бJS, with 0.95 бJ0≤бJS≤1.05бJ0Allow tension criterion of constructing, if being unsatisfactory for requiring, need pair for notochord 2
The notochord 2 of tensioning carries out tension regulation using loosening or the mode such as tenses, until meeting criterion, the outer end of notochord 2 is opened
After drawing in place, it is connected to ring beam-position of notochord node 8, and with ring beam-notochord node 8；
According to sequential construction analysis result of calculation, the outer end synchronous tension of valley cable 3 is carried out, and detects the paddy that tensioning is completed
The tension б of rope 3GS, with 0.95 бG0≤бGS≤1.05бG0Allow tension criterion of constructing for valley cable 3, will if being unsatisfactory for
Ask, then need to carry out tension regulation using loosening or the mode such as tenses to the valley cable 3 of tensioning, up to meeting criterion, paddy
After the outer end tensioning of rope 3 is in place, it is connected to ring beam-position of valley cable node 9, and with ring beam-valley cable node 9；
Detect the maximum deformation value d of strop 4S, and with 0.90 d0≤dS≤1.10 d0Construction Deformation is allowed to sentence for strop 4
Other condition；Detect the tension б of strop 4HS, and with 0.90 бH0≤бHS≤1.10 бH0Allow tension differentiation of constructing for strop 4
Condition.If being unsatisfactory for requiring, need to readjust hoist cable 1, notochord 2, the tension of valley cable 3, until meeting that strop 4 allows to construct
Deformation criterion and allow tension criterion of constructing, while be required to meet hoist cable 1, notochord 2, valley cable 3 to allow to construct
Tension criterion；
According to sequential construction analysis result of calculation, covered between adjacent notochord 2, valley cable 3 and film side rope 12 by tensioning
Film 5 forms rope film tension structure.
Embodiment 2
Illustrate the another of asymmetric openings formula integral tension cable-membrane analysis of the present invention by taking certain stadium project as an example
One construction method, it comprises the following steps：
To realize the structure formation state of design requirement as target, using cable-membrane analysis integral tension as the basic of stretching construction
Principle, overall structure computation model is established by computer, and input dependency structure parameter, carry out prestressed cable stretching construction
Overall process computer simulation is analyzed.Try to achieve the skills such as the priority tension sequence of the prestressing force of drag-line, cutting length and drag-line
Art parameter is used for stretching construction, and analysis process considers structural system geometrical non-linearity.Analysis uses ANSYS softwares, uses
Newton-Raphson nonlinear iterations method solves.
First peripheral steel construction 7 is installed from the bottom up, and install ring beam-valley cable node 9, ring beam-notochord node 8, ring beam-
Hoist cable node 6 etc.；
According to sequential construction analysis result of calculation, the cutting length of each rope is drawn, carrying out strop 4 and each radial cable includes
The accurate blanking of hoist cable 1, notochord 2, valley cable 3；
Strop 4 is assembled on ground, and the inner of node 10 and hoist cable 1 is pressed from both sides by the first strop and is connected, while by the second ring
Cord clip node 11 is connected to strop 4；
Each outer end of hoist cable 1 is drawn to corresponding apart from the peripheral top ring truss of steel construction 7 or ring beam 6 by lazy halyard
Connecting node certain distance, the distance take 0.4m to 1.5m, and now strop 4 is subsequently lifted ground；
Node 10 is pressed from both sides by the first strop with the inner of valley cable 3 to be connected, and is passed through the second strop and is pressed from both sides node and 2 inner phase of notochord
Connection；
Tensioning tooling is made into by traction frock, according to sequential construction analysis result of calculation, the outer end of hoist cable 1 is carried out and synchronously opens
Draw, and detect the tension б for the hoist cable 1 that tensioning is completedDS, with 0.95 бD0≤бDS≤1.05бD0Allowing construction to draw for hoist cable 1 should
Power criterion, if being unsatisfactory for requiring, need to carry out tension tune using loosening or the mode such as tense to the hoist cable 1 of tensioning
Section, until meeting criterion, after the outer end tensioning of hoist cable 1 is in place, it is connected with top ring truss or ring beam-hoist cable node 6；
The outer end of notochord 2 is drawn close to corresponding middle level ring beam-notochord node 8 by lazy halyard, then changes tensioning work into
Dress, according to sequential construction analysis result of calculation, the outer end synchronous tension of notochord 2 is carried out, and detect the drawing for the notochord 2 that tensioning is completed
Stress бJS, with 0.95 бJ0≤бJS≤1.05бJ0Allow tension criterion of constructing, if being unsatisfactory for requiring, need pair for notochord 2
The notochord 2 of tensioning carries out tension regulation using loosening or the mode such as tenses, until meeting criterion, the outer end of notochord 2 is opened
After drawing in place, it is connected to ring beam-position of notochord node 8, and with ring beam-notochord node 8；
The outer end of valley cable 3 is drawn close to corresponding ring beam-valley cable node 9 by lazy halyard, then changes tensioning tooling, root into
According to sequential construction analysis result of calculation, the outer end synchronous tension of valley cable 3 is carried out, and detect the tension for the valley cable 3 that tensioning is completed
бGS, with 0.95 бG0≤бGS≤1.05бG0Allow tension criterion of constructing for valley cable 3, if being unsatisfactory for requiring, need to having opened
The valley cable 3 of drawing carries out tension regulation using loosening or the mode such as tenses, and up to meeting criterion, the outer end tensioning of valley cable 3 is just
Behind position, it is connected to ring beam-position of valley cable node 9, and with ring beam-valley cable node 9；
Detect the maximum deformation value d of strop 4S, and with 0.90 d0≤dS≤1.10 d0Construction Deformation is allowed to sentence for strop 4
Other condition；Detect the tension б of strop 4HS, and with 0.90 бH0≤бHS≤1.10 бH0Allow tension differentiation of constructing for strop 4
Condition.If being unsatisfactory for requiring, need to readjust hoist cable 1, notochord 2, the tension of valley cable 3, until meeting that strop 4 allows to construct
Deformation criterion and allow tension criterion of constructing, while be required to meet hoist cable 1, notochord 2, valley cable 3 to allow to construct
Tension criterion；
According to sequential construction analysis result of calculation, covered between adjacent notochord 2, valley cable 3 and film side rope 12 by tensioning
Film 5 forms integral tension cable-membrane analysis.
Claims (4)
- A kind of 1. construction method of asymmetric openings type rope film integral tension structural system, it is characterised in that：Its prestressed cable film The basic skills of structure construction tensioning is substep lifting integral tension method, and the substep lifting integral tension method is according to structure Shape after shaping, drag-line is lifted to the position nearer apart from cable body anchorage node step by step by draw-gear, then by tensioning Device anchors drag-line synchronous tension in place, realizes structure finally into form；After the completion of any tensioning step tensioning, it is both needed to Detect the drag-line tension б that tensioning is completedS, and with 0.95 б0≤бS≤1.05б0Allow tension differentiation bar of constructing for drag-line Part, б0For the tension of the drag-line determined by overall process sequential construction analysis；After the completion of all final tensioning of drag-line, need to detect The maximum deformation value d of strop (4)S, and with 0.90d0≤dS≤1.10d0Allow construction Deformation criterion, d for strop0To pass through The maximum deformation value for the drag-line that overall process sequential construction analysis determines；After the completion of all final tensioning of drag-line, strop need to be detected Tension бHS, and with 0.90 бH0≤бHS≤1.10бH0Allow tension criterion of constructing, б for stropH0To pass through overall process The tension for the strop (4) that sequential construction analysis determines.
- A kind of 2. construction method as claimed in claim 1, it is characterised in that：Prestressed cable membrane structure construction stretching is in advance should The analysis of power cable tension construction overall process computer simulation instructs foundation for construction, and analysis process considers structural system geometry Non-linear, analysis uses large-scale general finite element program, is solved using Newton-Raphson nonlinear iterations method.
- A kind of 3. construction method as claimed in claim 2, it is characterised in that：According to sequential construction analysis conclusion, its prestressing force Cable-membrane analysis construction stretching is with tensioning hoist cable (1), notochord (2) and valley cable (3), and tensioning overlay film (5) is priority tension sequence, ring Rope (4) need not carry out tensioning, ultimately form space integral tension cable-membrane analysis.
- 4. a kind of construction method as claimed in claim 1, it is comprised the following steps that：1. to realize the structure formation state of design requirement as target, using cable-membrane analysis integral tension as the substantially former of stretching construction Then, overall structure computation model is established by computer, and inputs dependency structure parameter, it is complete to carry out prestressed cable stretching construction Process computer analogue simulation is analyzed；Try to achieve the technology of the priority tension sequence of the prestressing force of drag-line, cutting length and drag-line Parameter is used for stretching construction, and analysis process considers structural system geometrical non-linearity；Analysis uses large-scale general finite element program, adopts Solved with Newton-Raphson nonlinear iterations method；2. first installing peripheral steel construction (7) from the bottom up, and ring beam-valley cable node (9), ring beam-notochord node (8), ring are installed To truss or ring beam-hoist cable node (6)；3. the cutting length of each rope is drawn according to sequential construction analysis result of calculation, carry out strop (4) and each radial cable it is accurate Blanking；4. in ground assembling strop (4), the strop folder node definition that will be connected with valley cable (3) and hoist cable (1) presss from both sides for the first strop Node (10), the strop folder node definition that will be connected with notochord (2) is that the second strop presss from both sides node (11), is pressed from both sides and saved by the first strop Strop (4) is connected by point (10) with hoist cable (1) the inner and valley cable (3) the inner, and node (11) is pressed from both sides by strop by the second strop (4) it is connected with notochord (2) the inner；5. each hoist cable (1) outer end drawn to the corresponding ring truss at the top of the peripheral steel construction (7) by lazy halyard or Ring beam-hoist cable node (6) certain distance, the distance take 0.4m to 1.5m, and now strop (4) is together with notochord (2) and valley cable (3) quilt Lift-off ground；6. making tensioning tooling into by traction frock, according to sequential construction analysis result of calculation, carry out hoist cable (1) outer end and synchronously open Draw, and detect the tension б for the hoist cable (1) that tensioning is completedDS, with 0.95 бD0≤бDS≤1.05бD0Allow to construct for hoist cable (1) Tension criterion, бD0For the pre-tensile stress of the hoist cable (1) determined by sequential construction analysis；If being unsatisfactory for requiring, need Tension regulation is carried out by the way of loosening or tensing to the hoist cable (1) of tensioning, until meeting criterion, hoist cable (1) After outer end tensioning is in place, it is connected with top ring truss or ring beam-hoist cable node (6)；7. drawing notochord (2) outer end close to corresponding middle level ring beam-notochord node (8) by lazy halyard, tensioning work is then changed into Dress, according to sequential construction analysis result of calculation, notochord (2) outer end synchronous tension is carried out, and detect the notochord (2) that tensioning is completed Tension бJS, with 0.95 бJ0≤бJS≤1.05бJ0Allow tension criterion of constructing, б for notochord (2)J0To pass through construction The pre-tensile stress for the notochord that sunykatuib analysis determines；If being unsatisfactory for requiring, need to use the notochord (2) of tensioning and loosen or tense Mode carry out tension regulation, until meet criterion, after notochord (2) outer end tensioning is in place, to ring beam-notochord node (8) position, and be connected with ring beam-notochord node (8)；8. drawing valley cable (3) outer end close to corresponding ring beam-valley cable node (9) by lazy halyard, tensioning tooling, root are then changed into According to sequential construction analysis result of calculation, valley cable (3) outer end synchronous tension is carried out, and detect the drawing for the valley cable (3) that tensioning is completed Stress бGS, with 0.95 бG0≤бGS≤1.05бG0Allow tension criterion of constructing, б for valley cableG0To pass through construction simulation point Analyse the pre-tensile stress of the valley cable (3) determined；If being unsatisfactory for requiring, need to use what is loosened or tense to the valley cable (3) of tensioning Mode carries out tension regulation, until meeting criterion, after valley cable (3) outer end tensioning is in place, to ring beam-valley cable node (9) Position, and be connected with ring beam-valley cable node (9)；9. detect the maximum deformation value d of strop (4)S, and with 0.90d0≤dS≤1.10d0Construction Deformation is allowed to differentiate bar for strop Part, d0For the maximum deformation value of the drag-line determined by overall process sequential construction analysis；Detect the tension б of strop (4)HS, and With 0.90 бH0≤бHS≤1.10бH0Allow tension criterion of constructing, б for strop (4)H0To pass through overall process construction simulation point Analyse the tension of the strop (4) determined；If being unsatisfactory for requiring, need to readjust the tension of hoist cable, notochord, valley cable, until Meet strop (4) allow construction Deformation criterion and allow construct tension criterion, while be required to meet hoist cable (1), Notochord (2), valley cable (3) allow construct tension criterion；10. according to sequential construction analysis result of calculation, pass through tensioning between adjacent notochord (2), valley cable (3) and film side rope (12) Overlay film (5) forms rope film tension structure.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210200723.7A CN102733481B (en) | 2012-06-18 | 2012-06-18 | A kind of construction method of asymmetric openings formula integral tension cable-membrane analysis |
| PCT/CN2013/077380 WO2013189275A1 (en) | 2012-06-18 | 2013-06-18 | Asymmetrical open type integral tension cable membrane structure and method for construction and design therefor |
| US14/409,395 US9892213B2 (en) | 2012-06-18 | 2013-06-18 | Asymmetric cable-membrane tensegrity structure of opening type, method of constructing the same and method of designing the same |
Applications Claiming Priority (1)
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| US9892213B2 (en) | 2012-06-18 | 2018-02-13 | China Aviation Planning & Construction Development | Asymmetric cable-membrane tensegrity structure of opening type, method of constructing the same and method of designing the same |
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| CN112144725B (en) * | 2020-09-16 | 2022-06-03 | 北京市建筑工程研究院有限责任公司 | Method for forming cable dome structure with limited installation space |
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| CN113417368B (en) * | 2021-06-07 | 2022-12-20 | 中建深圳装饰有限公司 | High-space large-span fold-line-shaped cable membrane structure and construction method thereof |
| CN115492388B (en) * | 2022-09-20 | 2023-09-29 | 中建八局第三建设有限公司 | Construction method for vertical-surface cable membrane of huge-width outward-inclined cable back-pulling system |
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