CN113266147A - BIM-based special-shaped column tool type wood formwork rapid construction process - Google Patents
BIM-based special-shaped column tool type wood formwork rapid construction process Download PDFInfo
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- E—FIXED CONSTRUCTIONS
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- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
- E04G13/02—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for columns or like pillars; Special tying or clamping means therefor
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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
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
- E04G13/02—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for columns or like pillars; Special tying or clamping means therefor
- E04G13/023—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for columns or like pillars; Special tying or clamping means therefor with means for modifying the sectional dimensions
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- E—FIXED CONSTRUCTIONS
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- 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
- E04G9/00—Forming or shuttering elements for general use
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- E04G9/00—Forming or shuttering elements for general use
- E04G9/08—Forming boards or similar elements, which are collapsible, foldable, or able to be rolled up
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Abstract
The application relates to the technical field of building construction, especially, relate to quick construction technology of dysmorphism post instrument formula wood former based on BIM, technology includes: designing a special-shaped column template processing drawing of a special-shaped column template with a special-shaped inner surface and a rectangular outer surface based on BIM; processing a drawing according to the special-shaped column template to produce a tool type special-shaped column wood pattern; reflecting all construction position information of the tool type special-shaped column wood formwork based on BIM information statistics and a three-dimensional display function, wherein at least one piece of construction position information is provided; installing and reinforcing a tool type special-shaped column wood mold at a position corresponding to the construction position information, and pouring concrete into the installed tool type special-shaped column wood mold; and (4) after demoulding and cleaning the tool type special-shaped column wood formwork, installing and constructing at a position corresponding to the next construction position information. This application has the effect of being convenient for special-shaped column construction.
Description
Technical Field
The application relates to the technical field of building construction, in particular to a BIM-based special-shaped column tool type wood formwork rapid construction process.
Background
In order to meet the diversity requirements of indoor use functions and appearances, a large number of concrete columns with special-shaped sections appear in high-rise residences and large public supporting buildings. In the concrete wall post template support system of general squareness, can directly fasten fixedly through two steel pipe fossil fragments to drawing the system, nevertheless to special-shaped cross section post, when the circumstances such as cross-section opposite side nonparallel, cross-section edge are the arc curve appear, traditional plank sheathing is drawn reinforcement system and is difficult to guarantee construction quality to drawing, and the efficiency of construction is low. On the other hand, if the special-shaped concrete column adopts a steel template or an aluminum alloy template, special factory customization is required, the recycling times are limited, and the cost is greatly increased. Therefore, how to realize low-cost, quick and high-quality construction of the special-shaped column is a great difficult problem of engineering.
With respect to the related art described above, the inventors consider that there is a drawback that the special-shaped column is inconvenient to construct.
Disclosure of Invention
In order to facilitate the construction of the special-shaped column, the application provides a BIM-based special-shaped column tool type wood formwork rapid construction process.
The application provides a special-shaped post instrument formula wood former quick construction technology based on BIM adopts following technical scheme:
designing a special-shaped column template processing drawing of a special-shaped column template with a special-shaped inner surface and a rectangular outer surface based on BIM;
processing a drawing according to the special-shaped column template to produce a tool type special-shaped column wood pattern;
reflecting all construction position information of the tool type special-shaped column wood formwork based on BIM information statistics and a three-dimensional display function, wherein at least one piece of construction position information is provided;
installing and reinforcing a tool type special-shaped column wood mold at a position corresponding to the construction position information, and pouring concrete into the installed tool type special-shaped column wood mold;
and (4) after demoulding and cleaning the tool type special-shaped column wood formwork, installing and constructing at a position corresponding to the next construction position information.
By adopting the technical scheme, the special-shaped column template processing drawing is designed in advance, the tool type special-shaped column wood formwork is produced according to the special-shaped column template processing drawing, the tool type special-shaped column wood formwork is installed and reinforced, the tool type special-shaped column wood formwork is convenient to fix because the outer surface of the tool type special-shaped column wood formwork is a rectangular plane, then concrete is poured in a space surrounded by the tool type special-shaped column wood formwork, after solidification, the tool type special-shaped column wood formwork is demoulded, the special-shaped column template processing drawing is designed in advance, and the template is prefabricated, so that the effects of rapid construction and convenient special-shaped column construction are realized.
Preferably, the method for designing the processing drawing of the special-shaped column template comprises the following steps:
acquiring the structural type of the special-shaped column according to a construction drawing, and creating a Revit model of the special-shaped column and nodes thereof;
establishing a tool type special-shaped column wood mold parameterized foundation group according to the structure type of the special-shaped column, wherein the tool type special-shaped column wood mold parameterized foundation group comprises tool type special-shaped column wood mold components of various types after parametric definition;
inserting tool type special-shaped column wood formwork components into a Revit model of the special-shaped column and nodes of the special-shaped column, and performing three-dimensional pre-assembly on the tool type special-shaped column wood formwork components;
the generation mode of the special-shaped column template processing drawing is as follows: and (4) deriving a special-shaped column template processing drawing according to the Revit model after the three-dimensional pre-assembly treatment.
By adopting the technical scheme, the tool-type special-shaped column wood formwork parameterized basic family is created in advance, the formworks which form the special-shaped columns in a surrounding mode are modeled, then the formworks are assembled in advance, and the detail structure of the special-shaped column formworks is adjusted by simulating the assembling structure of the special-shaped columns, so that the precision of the tool-type special-shaped column wood formwork is higher.
Preferably, the method for designing the processing drawing of the special-shaped column template further comprises: setting shape control parameters of the tool type special-shaped column wood model parametric foundation family according to the section type of the special-shaped column;
setting an operation formula of stress rechecking check calculation by taking the shape control parameter as an independent variable parameter and combining mechanical related construction parameters such as the spacing between wood purlin back ribs, the spacing between stiffening rib templates of cross sections and the like and related requirements of a mechanical principle rule and a wood template system construction procedure, so that the tool type special-shaped column wood template parameterized basic family automatically completes stress rechecking of the wood template system;
according to the installation position and the application of the tool type special-shaped column wood mold, the numerical value of the side pressure of the mold supporting is input, and safety and reliability rechecking of the special-shaped column tool type special-shaped column wood mold is automatically carried out by adjusting mechanically related construction parameters such as the wood purlin back rib spacing, the cross section stiffening rib template spacing and the like of each type of tool type special-shaped column wood mold component.
By adopting the technical scheme, the stress of the tool type special-shaped column wood model is automatically rechecked, the safety and reliability of the tool type special-shaped column wood model are rechecked, the calculation and inspection are not required to be carried out on a construction site, and the effects of simplifying the construction process and improving the construction safety are achieved.
Preferably, the structural type of the special-shaped column is divided by the following specific method:
classifying the special-shaped column structures at the first stage according to the shape and size of the cross section and the position connected with the shear wall;
and (4) carrying out secondary classification on the special-shaped column structure according to the height of the floor, the position connected with the frame beam and the position connected with the floor slab.
By adopting the technical scheme, the special-shaped columns are divided according to the structural types of the special-shaped columns, the special-shaped column data is classified and designed and stored, and the special-shaped columns are classified when the design parameters of the special-shaped columns of the same type are overlapped to a certain extent, so that on one hand, when constructors design the special-shaped columns, the special-shaped columns are designed according to the same type and the parameters corresponding to the type, and the design is facilitated; on the other hand, the special-shaped columns are divided into a first-level classification and a second-level classification, so that the construction personnel can find the corresponding special-shaped columns quickly, and parameters can be checked quickly in construction.
Preferably, in the pre-assembled Revit project model, the type number of the special-shaped column wood formers and the using number of the special-shaped column wood formers of each type are counted based on the information counting function of software, so that a processing plan of the field special-shaped column wood formers is formed;
performing digital-analog analysis and separation on the three-dimensional model primitive shape information and the component digital information through a BIMFACE platform to realize model lightweight;
and deriving the plane installation schematic diagram of the tool type special-shaped column wood formwork of each type of special-shaped column according to the machining plan and the lightweight model.
By adopting the technical scheme, the processing plan is generated, so that constructors can conveniently check and settle on-site substances according to the processing plan and follow up the construction condition in time, and the lightweight model is generated, so that the constructors can conveniently use mobile equipment with a larger structure and a simpler calculator, such as a mobile phone and a notebook computer, to check the content of the lightweight model on the construction site, the on-site guidance processing is facilitated, and the construction speed is improved.
Preferably, key parameters of the tool-type special-shaped column wood model parametric basic family are set as shared parameters for later stage to be derived from the plane installation schematic diagram.
By adopting the technical scheme, the shared parameters are set, so that the constructor can conveniently guide processing according to the parameters.
Preferably, the tool type special-shaped wood mold mainly comprises an inner vertical wood template, a cross section double-layer ribbed wood template and an outer vertical wood purlin back rib keel;
and arranging a vertical wood purlin back rib keel with the full length at the internal and external corners and the external edges of each double-layer ribbed wood template with the interval of 150-300 mm.
Through the arrangement, the tool type special-shaped wood mold has a better supporting effect, is not easy to deform and saves materials.
Preferably, the double-layer ribbed wood template of the cross section and the external vertical wood purlin back rib keel can be processed and manufactured by the recovered old template; the manufacturing process for processing and manufacturing the double-layer ribbed wood template with the cross section and the vertical wood purlin back rib keel on the outer side by the old template comprises the following steps:
decomposing each layer of clamping plate of the old template;
cutting each layer of plywood into strips with the width of 1.5cm to prepare wood cores;
changing the original transverse distribution of the wood cores with the width of 1.5cm into vertical arrangement;
orderly arranging all the vertical wood cores and carrying out viscose compression molding;
the polymer anhydrous fiber wrapper is externally applied.
Through adopting above-mentioned technical scheme, when emergency construction, if lack partial template temporarily, can be according to above-mentioned technology at the job site preparation template to save the time of waiting for processing factory production template, above-mentioned preparation technology easy operation, the material of use is also comparatively common, and this scheme has cyclic utilization resource, and has the effect of good emergency treatment emergency.
In summary, the present application includes at least one of the following beneficial technical effects:
1. designing a special-shaped column template processing drawing in advance, producing a tool type special-shaped column wood mold according to the special-shaped column template processing drawing, and installing and reinforcing the tool type special-shaped column wood mold, wherein the appearance of the tool type special-shaped column wood mold is a rectangular plane, so that the tool type special-shaped column wood mold is convenient to fix, then pouring concrete in a space surrounded by the tool type special-shaped column wood mold, demolding the tool type special-shaped wood mold after solidification, and realizing the effects of quick construction and convenient special-shaped column construction by designing the special-shaped column template processing drawing in advance and prefabricating the template;
2. the method comprises the steps of creating a parameterized basic family of the tool-type special-shaped column wood formwork in advance, modeling a template enclosing to form the special-shaped column, pre-assembling, and adjusting the detailed structure of the special-shaped column template by simulating the assembled structure of the special-shaped column so as to enable the precision of the tool-type special-shaped column wood formwork to be higher;
3. the stress of the tool type special-shaped column wood model is automatically rechecked, the safety and reliability of the tool type special-shaped column wood model are rechecked, the calculation and the inspection are not needed to be carried out on a construction site, and the effects of simplifying the construction process and improving the construction safety are achieved.
Drawings
FIG. 1 is a block flow diagram of a BIM-based special-shaped column tool type wood pattern rapid construction process according to an embodiment of the present application;
fig. 2 is a schematic diagram of shape control parameters of a parameterized basic family of tool-type profiled-column wood formers in another embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is further described in detail below with reference to fig. 1-2 and the embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
Example one
The embodiment of the application discloses a BIM-based special-shaped column tool type wood formwork rapid construction process. Referring to fig. 1, the construction process includes:
a special-shaped column template processing drawing is designed based on BIM, wherein the inner side of the special-shaped column template is a special-shaped column template with a rectangular outer surface.
And (4) producing a tool type special-shaped column wood pattern according to the special-shaped column template processing drawing.
And reflecting all construction position information of the tool type special-shaped column wood formwork based on BIM information statistics and a three-dimensional display function, wherein at least one piece of construction position information is provided.
And installing and reinforcing the tool type special-shaped column wood formwork at the position corresponding to the construction position information, and pouring concrete into the installed tool type special-shaped column wood formwork.
And (4) demolding and cleaning the tool type special-shaped column wood mold, and then installing and constructing the tool type special-shaped column wood mold at a position corresponding to the next construction position information.
The meaning of the special-shaped column template that the inner side of the special-shaped column template is rectangular in the embodiment is the shape of the outer surface shape of the special-shaped column, such as an arc surface, a spliced polygonal surface and the like, and the outer surface of the special-shaped column template is a rectangular plane, so that the special-shaped column template can be conveniently installed by structures such as split bolts and the like to fix the special-shaped column template.
The method comprises the steps that a constructor designs a special-shaped column template in advance based on BIM, generates a special-shaped column template processing drawing, and provides the special-shaped column template processing drawing for a processing factory, the processing factory generates a tool type special-shaped column wood pattern corresponding to the same special-shaped column, the tool type special-shaped column wood pattern is formed by a plurality of tool type special-shaped column wood pattern components, the tool type special-shaped column wood pattern components can be spliced to form a space with the inner side in the shape of the special-shaped column, the tool type special-shaped column wood pattern is transported to a construction site, the constructor splices the tool type special-shaped column wood pattern and then adopts a double-steel-pipe outer-edge installing opposite-pulling reinforcing structure, and finally concrete is poured into the space formed by splicing the tool type special-shaped column wood pattern to form the special-shaped column.
The method comprises the steps of pre-assembling a special-shaped column template in a pre-established construction site three-dimensional drawing based on BIM, then obtaining construction position information of special-shaped columns of the same structure type and size in the same construction site based on BIM information statistics and a three-dimensional display function, wherein the number of the construction position information is more than or equal to 1. For example, if there are 3 profiled columns of the same type in a floor, 3 pieces of construction position information are generated, and the construction position information includes, but is not limited to, a floor-a position of a shear wall-a position of a frame beam-and a position of a floor slab. According to the construction position information, after a constructor completes the construction of one special-shaped column, the tool type special-shaped column wood formwork is detached, the template can be used for the construction of the same type special-shaped column at the next construction position, and the turnover construction of the tool type special-shaped column wood formwork is achieved.
Optionally, in another embodiment, the method for designing the processing drawing of the special-shaped column template is as follows:
and acquiring the structural type of the special-shaped column according to a construction drawing, and creating a Revit model of the special-shaped column and the nodes thereof.
And establishing a tool type special-shaped column wood mold parameterized foundation group according to the special-shaped column structure type, wherein the tool type special-shaped column wood mold parameterized foundation group comprises tool type special-shaped column wood mold components of various types after parametric definition.
And inserting tool type special-shaped column wood formwork components into the Revit models of the special-shaped columns and the nodes of the special-shaped columns to perform three-dimensional pre-assembly of the tool type special-shaped column wood formwork.
The generation mode of the special-shaped column template processing drawing is as follows: and (4) deriving a special-shaped column template processing drawing according to the Revit model after the three-dimensional pre-assembly treatment.
The parameterized foundation family of the tool-type special-shaped column wood model can be the combination of tool-type special-shaped column wood model components with various structural models; in this embodiment, the parameterized basic group of the tool-type irregular column wood pattern may be an irregular column template of an irregular column of a certain type, the irregular column template is split into a plurality of tool-type irregular column wood pattern components, the parametrically defined tool-type irregular column wood pattern components are set according to predetermined parameters of the irregular column, and the parameters of the irregular column include but are not limited to: the cross section of the special-shaped column, the height of the special-shaped column, the position relation between the special-shaped column and the frame beam, the position relation between the special-shaped column and the shear wall and the like.
After the tool type special-shaped column wood model parameterized basic family is established, the tool type special-shaped column wood model component can be pre-assembled in the Revit model of the special-shaped column and the nodes of the special-shaped column, and the parameters of the tool type special-shaped column wood model component are adjusted in real time in the splicing process so as to be matched with the special-shaped column.
Optionally, in another embodiment, the method for designing the processing drawing of the special-shaped column template further includes:
the shape control parameters of the tool-type profiled column wood model parametric basis family are set according to the section type of the profiled column, and fig. 2 is a combination of the shape control parameters for one case.
And setting an operation formula of stress rechecking check calculation by taking the shape control parameter as an independent variable parameter and combining the mechanical related structural parameters such as the spacing between the back ribs of the wood purlin, the spacing between stiffening rib templates of the cross section and the like and the related requirements of the mechanical principle rule and the construction procedure of the wood template system, so that the tool type special-shaped column wood template parameterized basic family automatically completes the stress rechecking of the wood template system.
According to the installation position and the application of the special-shaped column tool type special-shaped column wood mold, a numerical value of the side pressure of the mold supporting is input, and safety and reliability rechecking of the special-shaped column tool type special-shaped column wood mold is automatically carried out by adjusting mechanically related construction parameters such as the wood purlin back rib spacing, the cross section stiffening rib template spacing and the like of each type of tool type special-shaped column wood mold component.
The sectional type of the special-shaped column specifically refers to the cross-sectional type of the special-shaped column, and the sectional type of the special-shaped column includes, but is not limited to, a circle, an ellipse, a polygon, and the like, and a circle is taken as an example in this embodiment.
The tool type special-shaped wood mold mainly comprises an inner side vertical wood template, a cross section double-layer ribbed wood template and an outer side vertical wood purlin back rib keel.
In this embodiment, the wood purlin back rib spacing refers to a spacing between two adjacent outside vertical wood purlin back rib keels, and the cross-section stiffening rib template spacing refers to a spacing between two adjacent cross-section double-layer ribbed wood templates.
In the processing drawing of the special-shaped column template, the special-shaped column template is also provided with an inner vertical wood template, a cross section double-layer ribbed wood template and an outer vertical wood purlin back rib keel according to the proportion.
The section type of the special-shaped column is circular, the shape control parameters are a rotation center deviation value, a beam mold angle, a protective layer thickness, a rotation center deviation value and the like, and due to the difference of the shape control parameters, the number, the position and the like of the double-layer ribbed wood template and the outer vertical wood purlin back rib keel of the preset cross section of the special-shaped column template are changed.
And taking the working condition value of the five-span continuous beam according to the worst condition.
1) For the inside vertical plank sheathing:
constant load side pressure standard value Qhk=0.22×γ×t0×β1×β2×Vj (0.5)=0.22×24×4×1×1×4(0.5)=42.24＜γ×H=24×5=120kN/m2Therefore, Q ishk=42.24kN/m2。
Wherein the width b is calculatedo=205.6mm back rib spacing of inner vertical wood formwork; spacing Z between double-layer ribbed wood templates of cross sectionWood model=307.3 mm; and taking the thickness H =20mm of the column mould, wherein H is the total height from the calculated position of the concrete side pressure to the top surface of the newly cast concrete.
Gamma is the gravity density of the concrete, t0Is the initial setting time of newly cast concrete, beta1Is an additive influence correction coefficient, beta2Is the concrete slump influence correction coefficient, VjIs the casting speed of the concrete.
According to the standard of load working condition reference standard, constant load bending moment coefficient Kmqh Panel= 0.105; live load standard value Qdk=2kN/m2(ii) a Bending moment coefficient K of live loadmqd Panel=0.119。
Thus, the maximum bending moment M of the panel can be obtainedmax panel=Kmqh Panel×Qhk×bo×ZWood model 2+Kmqd Panel×Qdk×bo×ZWood model 2×10(-3)=0.105×42.24×205.6×307.32×10(-3)+0.119×2×205.6×307.32×10(-3)=90732.44N·mm；
Panel cross section resisting moment WPanel board=bo×h^2/6=205.6×202/6=13706.67mm3(ii) a Maximum normal stress value Be of panelmax panel=Mmax/WPanel board=90732.44/13706.67=6.62N/mm2<[fWood model]=11.5N/mm2And the bending resistance requirement is met.
2) For a cross-section double-layer ribbed wood formwork:
calculating the concentration force of the double-layer ribbed wood template with the cross section within the width range: fRibbed wood pattern=(Qhk+ Qdk)×10(-3)×bo×H×103/nNumber of horizontal ribbed wood pattern arrays=（42.24+2）×205.6×5/17=2675.22N；
Taking the thickness h of a double-layer ribbed wood template of a cross sectionWood modelAnd =20mm, the stress of the double-layer ribbed wood template at the cross section is as follows: sigmaRibbed wood pattern= FRibbed wood pattern/ bWood purlin back rib/hWood model=2675.22/50/20=2.675N/mm2＜[fWood model]=11.5N/mm2The stability coefficient phi = BeRibbed wood pattern/[fWood model]And (5) the steel sheet is not less than 0.233, and meets the requirement of compression resistance and stability.
3) For an outboard vertical wood purlin back rib keel:
get two steel pipe main joist interval ZSteel pipe keel=2ZWood model=2×307.3=614.6mm；
According to the load working condition reference standard, centralizing the loadLoad bending moment coefficient Kmqh Wood square column= 0.281. Therefore, the maximum bending moment M of the back rib keel of the vertical wood purlin on the outer side can be obtainedmax wood square column=Kmfh Wood square column×FRibbed wood pattern×ZSteel pipe keel=0.281×2675.22×614.6=462017.45N·mm；
Lateral vertical wood purlin back rib keel cross section resisting moment WWood square column=bWood square column×hWood purlin back rib 2/6=50×1002/6=83333.33mm3；
Maximum normal stress value sigma of back rib keel of outside vertical wood square columnWood purlin back rib max=Mmax wood square column/WWood square column=462017.45/83333.33=5.54N/mm2＜[fWood square column]=13.5N/mm2And the bending resistance requirement is met.
Optionally, in another embodiment, the dividing manner of the structure type of the special-shaped column is specifically as follows:
classifying the special-shaped column structures at the first stage according to the shape and size of the cross section and the position connected with the shear wall;
and (4) carrying out secondary classification on the special-shaped column structure according to the height of the floor, the position connected with the frame beam and the position connected with the floor slab.
In a multi-storey building, in order to keep the stability of the building body, the design of each storey is generally similar, so when dividing the special-shaped columns, the way of the first-level classification is as follows: the preset special-shaped column section shape classification includes, but is not limited to, a circular section, an elliptical section, a polygonal section, etc., for example, the circular section is taken as the section type, and the classification items may be: circular cross-section-area 250000
Connected to the shear wall, circular section-cross-sectional area 250000
Circular cross-section-cross-sectional area 90000, not connected to a shear wall
Not connected to shear walls, etc.
The primary classification is used for overall planning of the number of the same special-shaped columns.
The secondary classification mode is as follows: subdividing and classifying the floor height, the position connected with the frame beam and the connecting position of the floor slab under the first-level classification, and quickly positioning the corresponding special-shaped column when pre-assembling is carried out; such as first floor-connected to frame beams-connected to floor, second floor-unconnected to frame beams-connected to floor, etc.
Optionally, in another embodiment, in the pre-assembled Revit project model, the number of types of the special-shaped column wooden model and the number of the special-shaped column wooden models of each type are counted based on an information statistical function of software, so as to form a processing plan of the field tool type special-shaped column wooden model.
And D/A analysis and separation are carried out on the three-dimensional model primitive shape information and the component digital information through a BIMFACE platform, so that the model is light in weight.
And deriving the plane installation schematic diagram of the special-shaped column wood formwork of each model according to the machining plan and the lightweight model.
The processing plan is convenient for workers to obtain the number of the special-shaped column wood moulds and the models, the lightweight models can be browsed rapidly by directly using intelligent portable terminals such as a universal mobile phone and a tablet personal computer under a network environment, and the lightweight models are used for construction of the workers and construction quality is improved.
Optionally, in another embodiment, the key parameters of the tool-type profiled column wood model parameterized basic family are set as shared parameters, and are derived from the plane installation schematic diagram in the later stage.
Specifically, the shared parameters may be, but are not limited to, information such as the width of the double-layer ribbed wood formwork in the cross section, the height of the back rib keel of the outer vertical wood purlin, and the like, so that construction operation by a constructor is facilitated according to actual key parameters.
Optionally, in another embodiment, the tool-type special-shaped wood formwork mainly comprises an inner-side vertical wood formwork, a cross-section double-layer ribbed wood formwork and an outer-side vertical wood purlin back rib keel.
And arranging a vertical wood purlin back rib keel with the full length at the internal and external corners and the external edges of each double-layer ribbed wood template with the interval of 150-300 mm.
The double-layer ribbed wood template and the outer vertical wood purlin back rib keel on the cross section can be processed and manufactured by the recovered old template.
Optionally, in another embodiment, the process for manufacturing the double-layer ribbed wood formwork with the cross section and the outer vertical wood back rib keel by processing the old formwork comprises the following steps:
and decomposing each layer of clamping plate of the old template.
Each layer of plywood was cut into strips 1.5cm wide to make wood cores.
The wood cores with the width of 1.5cm are changed from the original transverse distribution into the vertical arrangement.
And orderly arranging the vertical wood cores and carrying out viscose compression molding.
The polymer anhydrous fiber wrapper is externally applied.
And respectively manufacturing and forming a double-layer ribbed wood template with a cross section and an outer vertical wood purlin back rib keel according to the length, the width and the height.
Example two
The difference between this embodiment and the first embodiment is that the tool-type special-shaped column wood pattern is fixed in a different manner.
In this embodiment, the tool-type special-shaped column wood formwork is formed by splicing tool-type special-shaped column wood formwork components, and each tool-type special-shaped column wood formwork component includes an inner-side vertical wood formwork, a cross-section double-layer ribbed wood formwork and an outer-side vertical wood back rib keel.
When the tool type special-shaped column wood pattern components are spliced to form the tool type special-shaped column wood pattern, the outer side wall of the tool type special-shaped column wood pattern is provided with the fixing hoop, and the tool type special-shaped column wood pattern is surrounded on the outer side of the tool type special-shaped column wood pattern through the fixing hoop so as to be fixed.
The fixed hoop comprises at least two arc-shaped plates, and the arc-shaped plates are matched and enclosed in the tool type special-shaped column wood formwork. The two adjacent arc-shaped plates are rotatably connected through a bolt, and the arc-shaped plates at the two ends of the fixed hoop are provided with mutually matched buckles.
Specifically, one end of the arc-shaped plate is provided with a cylindrical connecting cylinder, the other opposite end of the arc-shaped plate is provided with a cylindrical inserting cylinder, and the arc-shaped plate is connected with the connecting cylinder and the outer side wall of the inserting cylinder.
A space which is matched with the thickness of the side wall of the connecting cylinder is formed between the outer side wall of the inserting cylinder and the arc-shaped plates, the inserting cylinder is inserted into the connecting cylinder of the adjacent arc-shaped plates, a fixed rod penetrates through the inserting cylinder, the two ends, which are positioned outside the inserting cylinder and the connecting cylinder, of the fixed rod are in threaded connection with limiting blocks, and the limiting blocks are abutted against the end surfaces of the connecting cylinder and the inserting cylinder to fix the two adjacent arc-shaped plates; the mutually matched buckles are respectively provided with a connecting column which can be correspondingly inserted into the connecting cylinder or the inserting cylinder, and the connecting column is in threaded connection with a nut to fix the buckles on the corresponding arc-shaped plates.
The limiting block is polygonal, a first polygonal groove matched with the limiting block is formed in the end face of the connecting cylinder and communicated with the inner side wall of the connecting cylinder, the limiting block is fixed on the fixed rod by rotating the limiting block, and then the limiting block on one side is clamped into the first polygonal groove; the end face of the connecting cylinder corresponding to the limiting block on the other side is not provided with the first polygonal groove, so that the limiting block is abutted against the end face of the connecting cylinder which is not provided with the first polygonal groove, and the relative position of the limiting block and the fixed rod is limited.
Optionally, a second polygonal groove is formed in the end face, close to the first polygonal groove, of the inserting cylinder, the second polygonal groove is communicated with the inner side wall of the inserting cylinder, a protruding portion matched with the second polygonal groove protrudes from the end face, corresponding to the second polygonal groove, of the limiting block, the limiting block is fixed on the fixing rod by rotating the limiting block, then the limiting block on one side is clamped into the first polygonal groove, and the protruding portion is clamped into the second polygonal groove; the end face of the connecting cylinder corresponding to the limiting block on the other side is not provided with the first polygonal groove, the inserting cylinder is not provided with the second polygonal groove, so that the limiting block is abutted against the end face of the connecting cylinder which is not provided with the first polygonal groove and the end face of the inserting cylinder which is not provided with the second polygonal groove, and the relative position of the limiting block and the fixed rod is limited.
The arc plate is connected with a plurality of rotating screw rods in a threaded manner, one end, close to the inner side of the arc plate, of each rotating screw rod is provided with a abutting block, one end, close to the rotating screw rods, of each abutting block is provided with an incomplete spherical connecting groove, a rotating ball connected into each connecting groove is arranged on each rotating screw rod, and the rotating ball is connected with the connecting grooves in a ball hinge mode.
The implementation principle of the embodiment is as follows: after the tool-type special-shaped column wood pattern is fixed, arc-shaped plates are assembled according to the number and the size of the outer side face of the tool-type special-shaped column wood pattern, an inserting barrel of adjacent arc-shaped plates is inserted into a connecting barrel to be matched with the connecting barrel, then a fixed rod is inserted into the inserting barrel, the angle formed by two adjacent arc-shaped plates is adjusted, a rotating screw rod is perpendicular to the outer side face of the tool-type special-shaped column wood pattern as far as possible, then the position of an abutting block relative to the rotating screw rod is adjusted, the abutting block abuts against the outer surface of the tool-type special-shaped column wood pattern, then a limiting block is clamped with a first polygonal groove, a convex part is clamped with a second polygonal groove, a limiting block at the other end abuts against the connecting barrel and the inserting barrel to form a fixed hoop, buckles are correspondingly arranged at the two ends of the fixed hoop, then the buckles at the two ends of the fixed hoop are buckled to fix the tool-type special-shaped column wood pattern, and a construct, and the construction progress is accelerated.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. BIM-based special-shaped column tool type wood formwork rapid construction process is characterized by comprising the following steps of:
designing a special-shaped column template processing drawing of a special-shaped column template with a special-shaped inner surface and a rectangular outer surface based on BIM;
processing a drawing according to the special-shaped column template to produce a tool type special-shaped column wood pattern;
reflecting all construction position information of the tool type special-shaped column wood formwork based on BIM information statistics and a three-dimensional display function, wherein at least one piece of construction position information is provided;
installing and reinforcing a tool type special-shaped column wood mold at a position corresponding to the construction position information, and pouring concrete into the installed tool type special-shaped column wood mold;
and (4) after demoulding and cleaning the tool type special-shaped column wood formwork, installing and constructing at a position corresponding to the next construction position information.
2. The BIM-based special-shaped column tool type wood pattern rapid construction process according to claim 1, wherein the manner of designing the special-shaped column template processing drawing is as follows:
acquiring the structural type of the special-shaped column according to a construction drawing, and creating a Revit model of the special-shaped column and nodes thereof;
establishing a tool type special-shaped column wood mold parameterized foundation group according to the structure type of the special-shaped column, wherein the tool type special-shaped column wood mold parameterized foundation group comprises tool type special-shaped column wood mold components of various types after parametric definition;
inserting tool type special-shaped column wood formwork components into a Revit model of the special-shaped column and nodes of the special-shaped column, and performing three-dimensional pre-assembly on the tool type special-shaped column wood formwork components;
the generation mode of the special-shaped column template processing drawing is as follows: and (4) deriving a special-shaped column template processing drawing according to the Revit model after the three-dimensional pre-assembly treatment.
3. The BIM-based special-shaped column tool type wood pattern rapid construction process according to claim 2, wherein the manner of designing the special-shaped column template processing drawing further comprises: setting shape control parameters of the tool type special-shaped column wood model parametric foundation family according to the section type of the special-shaped column;
setting an operation formula of stress rechecking check calculation by taking the shape control parameter as an independent variable parameter and combining mechanical related construction parameters such as the spacing between wood purlin back ribs, the spacing between stiffening rib templates of cross sections and the like and related requirements of a mechanical principle rule and a wood template system construction procedure, so that the tool type special-shaped column wood template parameterized basic family automatically completes stress rechecking of the wood template system;
according to the installation position and the application of the tool type special-shaped column wood mold, the numerical value of the side pressure of the mold supporting is input, and safety and reliability rechecking of the special-shaped column tool type special-shaped column wood mold is automatically carried out by adjusting mechanically related construction parameters such as the wood purlin back rib spacing, the cross section stiffening rib template spacing and the like of each type of tool type special-shaped column wood mold component.
4. The BIM-based special-shaped column tool type wood formwork rapid construction process is characterized in that the special-shaped column structure type is divided in a specific mode:
classifying the special-shaped column structures at the first stage according to the shape and size of the cross section and the position connected with the shear wall;
and (4) carrying out secondary classification on the special-shaped column structure according to the height of the floor, the position connected with the frame beam and the position connected with the floor slab.
5. The BIM-based special-shaped column tool type wood pattern rapid construction process is characterized in that in a pre-assembled Revit project model, the type number of the special-shaped column wood patterns and the use number of the special-shaped column wood patterns of each type are counted based on the information counting function of software, so that a processing plan of the field special-shaped column wood patterns is formed;
performing digital-analog analysis and separation on the three-dimensional model primitive shape information and the component digital information through a BIMFACE platform to realize model lightweight;
and deriving the plane installation schematic diagram of the special-shaped column wood formwork of each model according to the machining plan and the lightweight model.
6. The BIM-based profiled bar tool type wood formwork rapid construction process is characterized in that key parameters of a tool type profiled bar wood formwork parameterized basic family are set as shared parameters for later stage to be derived from a plane installation schematic diagram.
7. The BIM-based special-shaped column tool-type special-shaped column wood formwork rapid construction process is characterized in that the tool-type special-shaped wood formwork mainly comprises an inner vertical wood formwork, a cross section double-layer ribbed wood formwork and an outer vertical wood purlin back rib keel; and arranging a vertical wood purlin back rib keel with the full length at the internal and external corners and the external edges of each double-layer ribbed wood template with the interval of 150-300 mm.
8. The BIM-based special-shaped column tool type wood formwork rapid construction process is characterized in that a double-layer ribbed wood formwork in the cross section and an outer vertical wood purlin back rib keel can be machined from recovered old formworks; the manufacturing process for processing and manufacturing the double-layer ribbed wood template with the cross section and the vertical wood purlin back rib keel on the outer side by the old template comprises the following steps:
decomposing each layer of clamping plate of the old template;
cutting each layer of plywood into strips with the width of 1.5cm to prepare wood cores;
changing the original transverse distribution of the wood cores with the width of 1.5cm into vertical arrangement;
orderly arranging all the vertical wood cores and carrying out viscose compression molding;
the polymer anhydrous fiber wrapper is externally applied.
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Cited By (1)
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