CN116629036A - BIM-based foundation slab model creation method considering paving surface layer - Google Patents
BIM-based foundation slab model creation method considering paving surface layer Download PDFInfo
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- 239000002344 surface layer Substances 0.000 title claims abstract description 70
- 238000000034 method Methods 0.000 title claims abstract description 53
- 238000010276 construction Methods 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 53
- 239000010410 layer Substances 0.000 claims description 36
- 238000013461 design Methods 0.000 claims description 15
- 239000002689 soil Substances 0.000 claims description 10
- 230000007123 defense Effects 0.000 claims description 9
- 239000011449 brick Substances 0.000 claims description 6
- 239000003086 colorant Substances 0.000 claims description 6
- 238000004040 coloring Methods 0.000 claims description 3
- 230000001502 supplementing effect Effects 0.000 claims description 3
- 238000012986 modification Methods 0.000 abstract description 5
- 230000004048 modification Effects 0.000 abstract description 5
- 230000010354 integration Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 11
- 238000009412 basement excavation Methods 0.000 description 11
- 239000010959 steel Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 9
- 238000005253 cladding Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000004927 fusion Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The invention discloses a foundation slab model creation method considering a paving surface layer based on BIM, which comprises the following steps: s1, coding a complex area component of a foundation slab; s2, rapidly establishing a foundation slab component model by utilizing the function of the edge of the floor slab; s3, rechecking the established foundation slab component model; s4, creating a foundation mat paving surface layer. The method has strong expansibility, can quickly and accurately establish the foundation slab component model, is convenient for later-stage tracing and integration, and is easy for component modification, thereby bringing convenience to subsequent construction and production.
Description
Technical Field
The invention relates to the technical field related to construction of structural foundations based on BIM technology, in particular to a foundation slab model creation method considering paving layers based on BIM.
Background
In the traditional structural foundation construction, the grooving graph is required to be drawn by technicians in a CAD plane mode, the planar graph is required to be converted into three-dimensional through space imagination in the process, and then is manually drawn and output into the planar graph, so that the construction method is good for small-sized simple engineering, and if a large-sized public project is encountered, the workload is huge.
In order to facilitate drawing, a large amount of overlapping work is required in the conventional foundation trench drawing process, and a large amount of original design drawings are required to be processed during the process, which is also disadvantageous for quick output of the trench drawing. Particularly, each component of a foundation part in a complex large-scale public building is often complicated, a foundation bearing platform is staggered with a water collecting pit, a ramp, a post-pouring belt, a tower crane foundation and engineering piles, the positional relationship of the components is complex, the complex situation of pit sleeving and pit can occur in the foundation part for a structural system of an overground steel structure, the space geometric imagination is difficult to be carried out in a conventional CAD drawing mode, component drawing errors are easy to occur in the drawing process of technicians, and confusion is easy to be caused to the complex foundation components. And because the component quantity is large and the sleeve diagram is modified, the technical personnel check the difficulty is large, and the components are easy to miss. Because the drawing work is carried out on the two-dimensional plane, errors are easy to occur on complex parts of the elevation of the foundation pit, and the spatial relationship cannot be intuitively felt. Because the foundation bedplate part is often designed with more omission, once the foundation bedplate part is changed, the traditional mode can not be quickly adjusted and modified. The foundation pit excavation diagram needs to have certain diagram recognition capability, and a single plan view cannot effectively carry out bottom crossing work for workers. In the foundation stage, the field measurement department, the reinforcing steel bar department, the quality department, the production department and the professional departments all need to refer to the foundation pit grooving diagram for relevant construction operation, and the quick drawing of the construction grooving diagram is a necessary measure capable of effectively saving the construction period in the early stage of construction.
For the aspect of three-dimensional models, because the models of the steel bars and the business departments tend to lag on site, the site information cannot be comprehensively reflected, and the models cannot be referred to when the foundation pit is excavated. For BIM model, traditional foundation slab modeling is rarely combined with foundation ditch excavation equally, only establishes to foundation slab structural part, often can not establish to the surface course, and only structural part can't satisfy the grooving construction, to the huge public project of area, the deviation of a few millimeters also can have an influence to the foundation ditch excavation, later stage more extravagant concrete material. Moreover, the modeling process of the foundation slab is often performed in an internal modeling type or family mode, and the mode has the defects of being inflexible and changeable, and being incapable of being updated quickly in time once adjustment occurs. The foundation bottom plate model components are all concentrated at the bottom of the model, and the conventional Revit pattern mode can not output the bottom plate model into a construction drawing capable of guiding construction.
Disclosure of Invention
The invention aims to provide a foundation slab model creation method considering a paving layer based on BIM, which can quickly and accurately build a foundation slab component model and is convenient for later tracing and integration.
In order to achieve the above object, the present invention provides a building method for building a foundation slab model considering a paving layer based on BIM, comprising the following steps:
s1, coding a complex area component of a foundation slab;
s2, rapidly establishing a foundation slab component model by utilizing the function of the edge of the floor slab;
s3, rechecking the established foundation slab component model;
s4, creating a foundation mat paving surface layer.
In one embodiment of the present invention, in step S1, the encoding process of the complex area component of the base plate includes: analyzing the drawing, coding the foundation slab component in the drawing according to the flowing water section and the intersection condition, and naming the intermediate process file names according to the codes.
In one embodiment of the present invention, in step S2, the rapid creation of the foundation slab member model using the function of the slab edge includes: s121, establishing a profile family: the method comprises the steps of building a foundation slab component model by combining with a construction site practice, dividing a contour family into an overhanging contour family and a non-overhanging contour family, respectively corresponding to parameterizable angle changes, and respectively classifying the contour families according to 90 degrees, 60 degrees and 45 degrees;
the overhanging profile series are respectively classified into 90 degrees, 60 degrees and 45 degrees according to the overhanging profile series:
90 degrees: the method is applied to the edge position of the bearing platform and the edge position of the foundation raft;
60 degrees: is applied to most of water collection pits;
45 degrees: the method is applied to edge arrangement of the landing plate area and the edge arrangement of the civil air defense water pit;
wherein, the unextended profile groups are respectively classified according to the overhanging profile groups by 60 degrees and 45 degrees, and the unextended profile groups comprise:
45 degrees: slope treatment is carried out at the high and low plates;
60 degrees: the method is used for the slope of the ground beam.
In one embodiment of the present invention, modeling the foundation mat member specifically includes:
foundation ground beam: establishing a basic ground beam model according to a design drawing;
a foundation base plate: establishing a foundation base plate part according to a design drawing, and distinguishing the colors of the models;
basic cushion cap: defining a bearing platform family type in the model, and placing an instance;
civil air defense sump pit: drawing the civil air defense water pit by using a drawing mode of a foundation slab and the edge of a floor slab;
floor edge: modifying profile parameters, defining the edge types of the floor slab, and drawing the water pit slope one by one;
and (3) slope releasing of the ground beam: modifying profile parameters, defining the edge types of the floor slab, and drawing the slope of the ground beam one by one;
right angle floor edges: according to the slope-placing form of the design drawing, building the floor edge type by using a 90-degree non-overhanging profile family, and drawing the right-angle floor edge;
sump bottom plate: carefully checking pit bottom elevation, drawing a pit bottom plate according to the drawing priority, and drawing the edges of the floor along four sides of the bottom plate;
base plate drop zone: and (5) establishing a descending plate area of the foundation base plate according to the design drawing, and distinguishing colors of the descending plate area.
In one embodiment of the present invention, in step S2, the rapid building of the foundation slab member model using the function of the slab edge further includes: s122, building a floor edge type: and comprehensively judging the drawing, selecting from the overhanging profile family and the non-overhanging profile family, and establishing a corresponding floor slab edge type.
In one embodiment of the present invention, in step S2, the rapid building of the foundation slab member model by using the function of the slab edge further includes: s123, arranging a water pit member by utilizing the edges of the floor slab: when the water pit is drawn, the bottom plate of the water pit is firstly drawn according to the diagram by utilizing the function of a structural foundation-a floor slab, each side of the water pit needs to be drawn independently in the four-side creation process of the floor slab, and the rapid model establishment is carried out on complex foundation parts such as the nesting of the water pit and the water pit, the nesting of the water pit and a drop plate, the nesting of the water pit and a bearing platform and the like through the combined connection of different floor slab edge examples.
In an embodiment of the present invention, in step S4, creating a foundation mat layup skin includes: calculating the thickness of a surface layer from the structural surface to the soil layer, establishing the type of the surface layer, and paving and drawing the surface layer; if the brick bed-jig is adopted for the member of the upright slope, the thickness of the brick bed-jig to the soil layer is considered as well, and the surface layer type is established; for the pit member, the surface layer is required to be laid on each surface, and the plate bottom of the foundation plate is also required to be laid.
In one embodiment of the present invention, a floor mat laying surface layer includes: the bottom surface layer, the side surface layer, the floor edge and the foundation slab are integrally paved with the surface layer.
In one embodiment of the invention, the surface layer of the sump pit comprises the steps of:
s141, rechecking elevation of each component;
s142, establishing a surface layer type;
s143, drawing a side surface paving surface layer;
s144, supplementing foundation components with inclined planes on the sides of the water collection pits by utilizing the edge function of the floor slab;
s145, drawing a paving surface layer at the bottom of the water collection pit;
s146, editing the outline of the paving surface layer at the bottom of the water pit, and ensuring that the edge of the surface layer is outside the side paving surface layer.
In an embodiment of the present invention, in step S4, creating a foundation mat layup layer further includes: based on the created foundation mat overlay, the overlay contour is viewed in a coloring mode.
Compared with the prior art, the invention has the following advantages:
1. according to the invention, the complex area components of the foundation slab are encoded, the foundation slab components in the drawing are encoded according to the flowing water section and the intersection condition, and the file names of the intermediate process are named according to the codes, so that the later tracing and integration are facilitated;
2. the invention creatively uses the function of the floor edges to establish the foundation slab component, and combines and splices the floor edges by establishing different types of floor edges, so that the method is flexible and changeable and can be suitable for modeling of foundation slabs with complex conditions;
3. in the traditional two-dimensional deepening mode of foundation pit excavation, the staggered fusion of complex components is difficult to treat, and the deepening treatment from a structural layer to a soil layer is realized. The positions of the upper and lower mouth lines of the foundation pit excavation are completely different between the paving surface layer and the non-paving surface layer. The concrete part model is simply built far from enough, and for projects with huge field areas, if a paving surface layer is not considered, accurate field guidance is carried out without accurate foundation pit excavation diagrams, the serious waste of the later concrete amount can be caused, namely the field cannot be finely managed from the step of grooving, and the method is one of reasons for poor calculated amount of BIM foundation slabs and field existence. Secondly, if the surface layer is not considered, the later-stage steel bar construction is affected, the consumption of the steel bars is wasted, and if the shape of the foundation pit is not matched with the shape of the steel bar turning, the steel bars are required to be disassembled and changed, so that a large amount of manpower and material resources are wasted, and the time period of the subsequent foundation construction is greatly restricted. In order to accurately guide site construction, each factor affecting foundation pit excavation must be considered. According to the invention, through the step of establishing the foundation slab to lay the surface layer, the surface layer between the main body structure and the soil layer is quickly laid, so that an accurate deepened result can be obtained in a later period.
Drawings
FIG. 1 is a flow chart of a BIM-based foundation slab model creation method with a paving layer in mind, according to one embodiment of the present invention;
FIG. 2 is a partial schematic view of a floor mat layup according to one embodiment of the present invention.
FIG. 3 is a schematic view of a paving facing in accordance with one embodiment of the present invention.
Detailed Description
The following detailed description of embodiments of the invention is, therefore, to be taken in conjunction with the accompanying drawings, and it is to be understood that the scope of the invention is not limited to the specific embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the term "comprise" or variations thereof such as "comprises" or "comprising", etc. will be understood to include the stated element or component without excluding other elements or components.
Example 1
As shown in fig. 1, the building method of a foundation mat model based on a BIM-based consideration paving layer according to a preferred embodiment of the present invention includes the steps of:
and S1, coding the complex area component of the foundation slab.
And S2, rapidly building a foundation slab component model by utilizing the function of the floor edge.
And step S3, rechecking the established foundation slab component model.
And S4, creating a foundation mat paving surface layer.
Specifically, in step S1, the encoding process for the complex area component of the base plate includes: analyzing the drawing, coding the foundation slab component in the drawing according to the flowing water section and the intersection condition, and naming the intermediate process file name according to the code, so that the later tracing and integration are facilitated.
Further, the foundation mat member model of the present embodiment specifically includes the following:
foundation ground beam: establishing a basic ground beam model according to a design drawing;
a foundation base plate: establishing a foundation base plate part according to a design drawing, and distinguishing the colors of the models;
basic cushion cap: defining a bearing platform family type in the model, and placing an instance;
civil air defense sump pit: drawing the civil air defense water pit by using a drawing mode of a foundation slab and the edge of a floor slab;
floor edge: modifying profile parameters, defining the edge types of the floor slab, and drawing the water pit slope one by one;
and (3) slope releasing of the ground beam: modifying profile parameters, defining the edge types of the floor slab, and drawing the slope of the ground beam one by one;
right angle floor edges: according to the slope-placing form of the design drawing, building the floor edge type by using a 90-degree non-overhanging profile family, and drawing the right-angle floor edge;
sump bottom plate: carefully checking pit bottom elevation, drawing a pit bottom plate according to the drawing priority, and drawing the edges of the floor along four sides of the bottom plate;
base plate drop zone: and (5) establishing a descending plate area of the foundation base plate according to the design drawing, and distinguishing colors of the descending plate area.
Different from the traditional foundation slab modeling mode, the foundation slab component is creatively built by using the function of the floor slab edge, and the floor slab edges are combined and spliced by building different types of floor slab edges.
Compared with the traditional sump pit group, the sump pit establishment process established by the method is more visual, the establishment and modification are directly carried out at the bottom of the foundation base plate model, the relevance of the current component and other foundation components can be better grasped in the modeling process, repeated switching and modification in the component group are not needed, and the modeling efficiency is certainly improved.
Because the mode of the floor edge is used, the slope angle, the overhanging length and the height of each slope can be freely adjusted, and once the design is adjusted in the later stage, different floor edge types can be quickly replaced, so that the method is also a high-degree-of-freedom embodiment. The floor edge function can pick up various components, after the type is set, the corresponding edge is clicked, the modeling method can use the three-dimensional view in software, the building of the traditional basic components is not needed, the two-dimensional view and the three-dimensional view are frequently switched, and the convenience is greatly improved for modeling.
Specifically, in step S2, the foundation slab member model is quickly built by using the function of the floor edge, and the method includes the following steps:
step S121, establishing a profile family: in order to quickly establish foundation slab model components such as a water pit and the like, the water pit is established by means of the edges of the floor slab. Three key parameters are established in the profile family: pit bottom to raft bottom height, slope angle and raft thickness. Because the foundation slab model needs to be established by combining with the field reality, and the structural design drawing and the field reality steel bar sample turning condition are combined, the profile groups are divided into an overhanging profile group and a non-overhanging profile group, and the overhanging profile groups correspond to parameterizable angle changes respectively. To accommodate for the rapid placement in a variety of scenarios, the family of profiles are categorized by 90 degrees, 60 degrees, and 45 degrees, respectively.
The overhanging profile series are respectively classified into 90 degrees, 60 degrees and 45 degrees according to the overhanging profile series:
90 degrees: the method is applied to the edge position of the bearing platform and the edge position of the foundation raft;
60 degrees: is applied to most of water collection pits;
45 degrees: the method is applied to edge arrangement of the landing plate area and the edge arrangement of the civil air defense water pit;
wherein, the unextended profile groups are respectively classified according to the overhanging profile groups by 60 degrees and 45 degrees, and the unextended profile groups comprise:
45 degrees: slope treatment is carried out at the high and low plates;
60 degrees: the method is used for the slope of the ground beam.
Step S122, building floor edge types: and comprehensively judging the drawing, selecting from the overhanging profile family and the non-overhanging profile family, and establishing a corresponding floor slab edge type.
Step S123, arranging a water pit member by utilizing the edges of the floor slab: when the water pit is drawn, the bottom plate of the water pit is firstly drawn according to the diagram by utilizing the function of a structural foundation-a floor slab, each side of the water pit needs to be drawn independently in the four-side creation process of the floor slab, and the rapid model establishment is carried out on complex foundation parts such as the nesting of the water pit and the water pit, the nesting of the water pit and a drop plate, the nesting of the water pit and a bearing platform and the like through the combined connection of different floor slab edge examples.
The invention establishes the foundation slab member by using the mode of the floor slab edge, and can freely adjust the length of the floor slab edge, thereby further expanding the degree of freedom of model establishment. According to different components and different slope releasing angles, the method can be used for rapidly processing the slope releasing of other components, so that the modeling efficiency is greatly improved, the field reality is restored, and the application inaccuracy of post calculation and the like caused by insufficient model precision is avoided.
Example 2
In the traditional two-dimensional deepening mode of foundation pit excavation, the staggered fusion of complex components is difficult to treat, and the deepening treatment from a structural layer to a soil layer is realized. The positions of the upper and lower mouth lines of the foundation pit excavation are completely different between the paving surface layer and the non-paving surface layer. The concrete part model is simply built far from enough, and for projects with huge field areas, if a paving surface layer is not considered, accurate field guidance is carried out without accurate foundation pit excavation diagrams, the serious waste of the later concrete amount can be caused, namely the field cannot be finely managed from the step of grooving, and the method is one of reasons for poor calculated amount of BIM foundation slabs and field existence. Secondly, if the surface layer is not considered, the later-stage steel bar construction is affected, the consumption of the steel bars is wasted, and if the shape of the foundation pit is not matched with the shape of the steel bar turning, the steel bars are required to be disassembled and changed, so that a large amount of manpower and material resources are wasted, and the time period of the subsequent foundation construction is greatly restricted. In order to accurately guide site construction, each factor affecting foundation pit excavation must be considered. Through technical communication with the actual construction site, the thickness of the surface layer is determined, and the surface layer between the main body structure and the soil layer is quickly paved by using the plug-in unit, so that an accurate deepened result can be obtained in the later period.
Specifically, step S14, creating a foundation mat laying surface layer, includes: calculating the surface layer thickness from the structural surface to the soil layer, establishing the surface layer type, paving and drawing the surface layer, and paving the surface layer by the foundation slab as shown in fig. 2, wherein the foundation slab comprises: a bottom cladding layer 201, a side cladding layer 202, a side cladding layer floor edge 203, and a foundation slab overall cladding layer 204.
Further, for the member of the upright slope, if a brick bed-jig is adopted, the thickness of the brick bed-jig to soil layer is considered as well, and the surface layer type is established; for the pit member, the surface layer is required to be laid on each surface, and the plate bottom of the foundation plate is also required to be laid.
The surface layer paving of the water pit comprises the following steps:
s141, rechecking elevation of each component;
s142, establishing a surface layer type;
s143, drawing a side surface paving surface layer;
s144, supplementing foundation components with inclined planes on the sides of the water collection pits by utilizing the edge function of the floor slab;
s145, drawing a paving surface layer at the bottom of the water collection pit;
s146, editing the outline of the paving surface layer at the bottom of the water pit, and ensuring that the edge of the surface layer is outside the side paving surface layer.
Step S14, creating a foundation mat paving layer, which further comprises: based on the created foundation mat overlay, the overlay contour is viewed in a coloring mode for subsequent deepening processing. The method specifically comprises the following steps:
two edges 301 of the laminated layer model are reserved for later deepening positioning aiming at the side surface paving;
aiming at the intersection line 302 of the lower part of the bottom paving surface layer and the side paving surface layer, the intersection line is the lower mouth line of the foundation pit in actual foundation pit deepening, and needs to be reserved in the deepening;
aiming at the intersection line 303 of the upper part of the bottom paving layer and the side paving layer, the bottom paving layer and the side paving layer need to be deleted in depth;
aiming at the edge contour line 304 of the bottom paving laminated model, the edge contour line needs to be deleted in deepening;
aiming at the edge line segments 305 of the lateral paving laminated layers, the edge line segments need to be deleted in deepening;
aiming at the intersection line 306 of the paving surface layer of the foundation slab and the edge of the floor slab, the intersection line is the upper opening line of the foundation pit in actual foundation pit deepening, and needs to be reserved in the deepening.
The foregoing descriptions of specific exemplary embodiments of the present invention are presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain the specific principles of the invention and its practical application to thereby enable one skilled in the art to make and utilize the invention in various exemplary embodiments and with various modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (10)
1. The building method of the foundation slab model considering the paving layer based on BIM is characterized by comprising the following steps of:
s1, coding a complex area component of a foundation slab;
s2, rapidly establishing a foundation slab component model by utilizing the function of the edge of the floor slab;
s3, rechecking the established foundation slab component model;
s4, creating a foundation mat paving surface layer.
2. The building block model construction method of a BIM-based overlay-considered foundation slab of claim 1, wherein in step S1, the encoding process of the complex region structure of the foundation slab comprises: analyzing the drawing, coding the foundation slab component in the drawing according to the flowing water section and the intersection condition, and naming the intermediate process file names according to the codes.
3. The building method of a bil based foundation mat model with respect to a pavement layer according to claim 2, wherein in step S2, the rapid building of the foundation mat component model using the function of the floor edges comprises: s121, establishing a profile family: the method comprises the steps of building a foundation slab component model by combining with a construction site practice, dividing a contour family into an overhanging contour family and a non-overhanging contour family, respectively corresponding to parameterizable angle changes, and respectively classifying the contour families according to 90 degrees, 60 degrees and 45 degrees;
the overhanging profile series are respectively classified into 90 degrees, 60 degrees and 45 degrees according to the overhanging profile series:
90 degrees: the method is applied to the edge position of the bearing platform and the edge position of the foundation raft;
60 degrees: is applied to most of water collection pits;
45 degrees: the method is applied to edge arrangement of the landing plate area and the edge arrangement of the civil air defense water pit;
wherein, the unextended profile groups are respectively classified according to the overhanging profile groups by 60 degrees and 45 degrees, and the unextended profile groups comprise:
45 degrees: slope treatment is carried out at the high and low plates;
60 degrees: the method is used for the slope of the ground beam.
4. A method of creating a BIM based overlay considered base mat model as claimed in claim 3 wherein the building of the base mat component model specifically comprises:
foundation ground beam: establishing a basic ground beam model according to a design drawing;
a foundation base plate: establishing a foundation base plate part according to a design drawing, and distinguishing the colors of the models;
basic cushion cap: defining a bearing platform family type in the model, and placing an instance;
civil air defense sump pit: drawing the civil air defense water pit by using a drawing mode of a foundation slab and the edge of a floor slab;
floor edge: modifying profile parameters, defining the edge types of the floor slab, and drawing the water pit slope one by one;
and (3) slope releasing of the ground beam: modifying profile parameters, defining the edge types of the floor slab, and drawing the slope of the ground beam one by one;
right angle floor edges: according to the slope-placing form of the design drawing, building the floor edge type by using a 90-degree non-overhanging profile family, and drawing the right-angle floor edge;
sump bottom plate: carefully checking pit bottom elevation, drawing a pit bottom plate according to the drawing priority, and drawing the edges of the floor along four sides of the bottom plate;
base plate drop zone: and (5) establishing a descending plate area of the foundation base plate according to the design drawing, and distinguishing colors of the descending plate area.
5. The building method of a bil based foundation mat model with respect to a pavement layer according to claim 1, wherein in step S2, the rapid building of the foundation mat component model using the function of the floor edges further comprises: s122, building a floor edge type: and comprehensively judging the drawing, selecting from the overhanging profile family and the non-overhanging profile family, and establishing a corresponding floor slab edge type.
6. The building method of a bil based foundation mat model with respect to a pavement layer according to claim 5, wherein in step S2, the rapid building of the foundation mat component model using the function of the floor edges further comprises: s123, arranging a water pit member by utilizing the edges of the floor slab: when the water pit is drawn, the bottom plate of the water pit is firstly drawn according to the drawing by utilizing the function of a structural foundation-a floor slab, each side in the four sides of the water pit needs to be drawn separately, and the complex foundation part is quickly built by combining and connecting different floor slab edge examples, wherein the complex foundation part comprises the water pit and the water pit nesting, the water pit and the drop plate nesting and the water pit and the bearing platform nesting.
7. The building block based modeling of foundation mat with paving layer under consideration of claim 1, wherein in step S4, creating the foundation mat paving layer comprises: calculating the thickness of a surface layer from the structural surface to the soil layer, establishing the type of the surface layer, and paving and drawing the surface layer; if the brick bed-jig is adopted for the member of the upright slope, the thickness of the brick bed-jig to the soil layer is considered as well, and the surface layer type is established; for the pit member, the surface layer is required to be laid on each surface, and the plate bottom of the foundation plate is also required to be laid.
8. The BIM-based foundation mat model creation method with respect to the laying surface layer according to claim 7, wherein the foundation mat laying surface layer includes: the bottom surface layer, the side surface layer, the floor edge and the foundation slab are integrally paved with the surface layer.
9. The BIM-based foundation mat model creation method with respect to the laying of a surface layer according to claim 8, wherein the surface layer laying of the pit includes the steps of:
s141, rechecking elevation of each component;
s142, establishing a surface layer type;
s143, drawing a side surface paving surface layer;
s144, supplementing foundation components with inclined planes on the sides of the water collection pits by utilizing the edge function of the floor slab;
s145, drawing a paving surface layer at the bottom of the water collection pit;
s146, editing the outline of the paving surface layer at the bottom of the water pit, and ensuring that the edge of the surface layer is outside the side paving surface layer.
10. The BIM-based, layup-considered, base floor model creation method of claim 9, wherein in step S4, creating a base floor layup layer further comprises: based on the created foundation mat overlay, the overlay contour is viewed in a coloring mode.
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