CN113392459B - Prefabricated frame beam hoisting sequence coding system and method based on BIM - Google Patents
Prefabricated frame beam hoisting sequence coding system and method based on BIM Download PDFInfo
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Abstract
The invention discloses a prefabricated frame beam hoisting sequence coding system and method based on BIM, wherein the method comprises the following steps: creating a prefabricated frame beam family model; determining key parameters, namely the distance between the exposed steel bars at the bottom of the prefabricated frame beam and the elevation of the structure; the key parameters are given to the prefabricated frame beam family model; loading each prefabricated frame beam family model into project files to create an integral prefabricated frame beam model; comparing key parameters of each prefabricated frame beam group model in the project file to determine a hoisting sequence; automatically generating hoisting sequence codes according to the obtained hoisting sequence, and nesting the codes in a corresponding prefabricated frame beam group model in a parameter form; and automatically extracting a hoisting sequence coding list by adopting a detail list function. The method has the advantages of rapidly and accurately generating the hoisting sequence of the prefabricated frame beams by utilizing key parameters according to BIM software, can greatly reduce the time consumed by manual coding of the hoisting sequence of the prefabricated frame beams, and can avoid reworking caused by field hoisting errors.
Description
Technical Field
The invention relates to the technical field of BIM (building information modeling), in particular to a prefabricated frame beam hoisting sequence coding system and method based on BIM.
Background
The accurate and rapid positioning of the prefabricated frame beams in the fabricated building depends not only on the accuracy of the hoisting of Liang Bianhao, but also on the accuracy of the hoisting sequence of the prefabricated beams. Reworking is often caused by an error in hoisting sequence in the hoisting process of the precast beam, and the hoisting efficiency of the precast beam is greatly affected by the problems. At present, the conventional method for determining the hoisting sequence of the prefabricated frame beams is to combine a prefabricated frame beam plane layout diagram and a prefabricated beam deepening diagram to manually determine the hoisting sequence of each prefabricated frame beam, and the method is low in efficiency and easy to generate errors, and particularly has obvious defects when encountering a large-scale assembled structure with large body quantity and large number of prefabricated components. Therefore, a method for determining the hoisting order of the prefabricated frame beams quickly and efficiently is urgently needed.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a prefabricated frame beam hoisting sequence coding system and method based on BIM, which can effectively improve the hoisting efficiency of the prefabricated frame beam and achieve the effects of saving the construction period and reducing the cost.
In a first aspect, the present invention provides a prefabricated frame beam hoisting sequence encoding method based on BIM, which includes the steps of:
creating a prefabricated frame beam family model;
determining key parameters, namely the distance between the exposed steel bars at the bottom of the prefabricated frame beam and the elevation of the structure;
respectively endowing key parameters in the prefabricated frame beam group model;
loading each prefabricated frame beam family model into project files to create an integral prefabricated frame beam model;
comparing key parameters of each prefabricated frame beam group model in the project file, taking hoisting priority as an ordering rule when the key parameters in the adjacent prefabricated frame beam group models are larger, and determining the hoisting sequence of each prefabricated frame beam group model;
automatically generating hoisting sequence codes according to the obtained hoisting sequence, and nesting the codes in a corresponding prefabricated frame beam group model in a parameter form; and
and automatically extracting a hoisting sequence coding list by adopting a detail list function.
The coding method is further improved in that Revit software is adopted to create the prefabricated frame beam family model according to the design drawing of the prefabricated frame beams.
The coding method is further improved in that in the step of respectively giving key parameters in the prefabricated frame beam group model, a left-end key parameter LH and a right-end key parameter RH are respectively given, wherein the left-end key parameter LH is the distance from the bottom steel bar of the beam to the floor structure elevation, and the key parameter RH is the distance from the bottom steel bar of the beam to the floor structure elevation.
A further improvement of the coding method is that in the prefabricated frame beam family model, the key parameters need to be used for a shared parameter function and are defined as reporting parameters.
The coding method is further improved in that when key parameters are compared, the left-end key parameter LH and the right-end key parameter RH of the lap joint of adjacent prefabricated frame beam group models are compared, and the larger the key parameters, the smaller the hoisting sequence codes are.
The coding method is further improved in that after the hoisting sequence coding list is extracted, the method further comprises the steps of: and feeding back the obtained hoisting sequence coding list to field technicians, and carrying out hoisting sequence coding identification on the incoming prefabricated frame beams.
In a second aspect, the present invention provides a prefabricated frame beam hoisting order encoding system based on BIM, which includes:
the prefabricated frame Liang Canshu module is used for giving key parameters to the prefabricated frame beam, wherein the key parameters are the distance between the exposed steel bars at the bottom of the prefabricated frame beam and the elevation of the structure;
the key parameter comparison module is used for comparing the adjacent prefabricated frame beams by using the key parameters, and determining the hoisting sequence by taking hoisting with higher key parameters in the adjacent prefabricated frame beams as sequencing rules;
the hoisting sequence coding module is used for automatically carrying out hoisting sequence coding on the prefabricated frame beam according to the key parameter comparison result, and the coding is nested in the parameters of the prefabricated frame beam in a parameter form;
and the hoisting sequence code list module is used for extracting the generated hoisting sequence codes and automatically generating a hoisting code list.
The coding system is further improved in that the coding system also comprises a prefabricated frame Liang Jianmo module for creating a prefabricated frame beam family model.
The coding system is further improved in that the key parameters comprise a left-end key parameter LH and a right-end key parameter RH, wherein the left-end key parameter LH is the distance between the bottom steel bar of the left end of the beam and the floor structure elevation, and the key parameter RH is the distance between the bottom steel bar of the right end of the beam and the floor structure elevation.
The coding system is further improved in that when the key parameter comparison module compares key parameters, the left end key parameter LH and the right end key parameter RH of the lap joint of the adjacent prefabricated frame beam group models are compared, and the hoisting sequence with larger key parameters is coded before.
By adopting the technical scheme, the invention has the technical effects that:
the invention provides a prefabricated frame beam hoisting sequence coding system and method based on BIM, which have the advantages of rapidly and accurately generating the prefabricated frame beam hoisting sequence by utilizing key parameters according to BIM software, can greatly reduce the time consumed by manual coding of the prefabricated frame beam hoisting sequence, and can avoid reworking caused by field hoisting errors. The hoisting efficiency of the prefabricated part can be effectively improved, and the effects of saving the construction period and reducing the cost are achieved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a prefabricated frame beam hoisting sequence coding system based on BIM according to an embodiment of the present invention.
Fig. 2 is a flowchart of a method for encoding a hoisting sequence of a prefabricated frame beam based on BIM according to an embodiment of the present invention.
Fig. 3 is a perspective view of a prefabricated frame beam node according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of a hoisting sequence coding principle of a prefabricated frame beam according to an embodiment of the invention.
Fig. 5 is a schematic diagram of key parameters of a prefabricated frame beam according to an embodiment of the present invention.
Detailed Description
Other advantages and effects of the present invention will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present invention with reference to specific examples. The invention may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present invention.
Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and specific examples.
Referring to fig. 1, an embodiment of the present invention provides a prefabricated frame beam hoisting order coding system based on BIM, which mainly includes a prefabricated frame Liang Canshu module 11, a key parameter comparison module 12, a hoisting order coding module 13, and a hoisting order coding list module 14. The invention relates to a BIM-based precast frame beam hoisting sequence coding system, which is used for limiting and sequencing the hoisting sequence of precast frame beams according to the relation of overlap reinforcing steel bars of three precast frame beams which are transversely and longitudinally staggered or two precast frame beams at the overlap joint as shown in figure 3.
Looking at the module Liang Canshu of the prefabricated frame first, the main function of the module is to give relevant parameters to the prefabricated frame beams, wherein the relevant parameters mainly comprise the prefabricated Liang Bianhao, the position and the key parameters, the exposed steel bars at the bottom of the adjacent prefabricated frame beams are in an upper-lower layer relationship, and referring to fig. 3, the bottom steel bars are hoisted at the lower layer of the beams first, and the bottom steel bars are hoisted at the rear of the upper layer of the beams. With the floor structure elevation as a reference surface, referring to fig. 4, the beam with the bottom steel bar having a large distance from the reference surface should be hoisted first. And determining the key parameter as the distance between the exposed steel bars at the bottom of the prefabricated frame beam and the elevation of the floor structure. And respectively endowing the prefabricated frame beam with a left-end key parameter LH (the elevation distance of the exposed reinforcing steel bar at the bottom of the left end from the floor) and a right-end key parameter RH (the elevation distance of the exposed reinforcing steel bar at the bottom of the right end from the floor). In the prefabricated frame beam parameter module, the key parameter needs to adopt a shared parameter function and is defined as a report parameter. Referring to fig. 5, with the floor structure elevation as a reference surface, the prefabricated frame Liang Canshu module 11 gives the prefabricated frame beam left end key parameter lh=850 and the right end key parameter rh=910.
Looking again at the key parameter comparison module 12, the module can utilize key parameters LH and RH to compare adjacent prefabricated frame beams, and uses the larger key parameters in the adjacent prefabricated frame beams as sequencing rules to determine the hoisting sequence. The working principle is as follows: exposed steel bars at the bottoms of adjacent prefabricated frame beams are in an upper-lower layer relationship, the bottom steel bars are hoisted at the lower layer of the beams, and the bottom steel bars are hoisted at the upper layer of the beams. With the floor structure elevation as a reference surface, a beam with a large distance between the bottom reinforcing steel bar and the reference surface is hoisted firstly, referring to fig. 4, when the beam (1) LH=910, the beam (2) RH=850, the beam (3) LH=808, the beam (1) LH > the beam (2) RH > the beam (3 LH, the beam (1) hoisted firstly, the beam (2) hoisted later, and the beam (3) hoisted last).
The hoisting sequence coding module 13 is used for automatically carrying out hoisting sequence coding on the prefabricated frame beams according to the key parameter comparison result, and the coding is nested in the parameters of the prefabricated frame beams in a parameter form and is used for extracting a hoisting sequence list;
finally, a hoisting sequence code list module 14 automatically generates a hoisting code list Excel file for field bottoming through hoisting sequence codes generated by software.
The invention relates to a BIM-based precast frame beam hoisting sequence coding system, which further comprises a precast frame Liang Jianmo module, wherein the precast frame Liang Canshu module 11, the key parameter comparison module 12, the hoisting sequence coding module 13 and the hoisting sequence coding list module 14 are used for carrying out parameterization treatment on precast frame beams on the basis of the precast frame beam family model.
Referring to fig. 2, the embodiment of the invention also provides a prefabricated frame beam hoisting sequence coding method based on BIM, which mainly comprises the following steps:
step 1: creating a prefabricated frame beam family model;
step 2: and determining key parameters, wherein exposed steel bars at the bottoms of adjacent prefabricated frame beams are in an upper-lower layer relationship, the bottom steel bars are hoisted firstly on the beams at the lower layer, and the bottom steel bars are hoisted afterwards on the beams at the upper layer. And the floor structure elevation is used as a reference surface, and the beam with the bottom steel bar with a large distance from the reference surface is hoisted firstly. Determining a key parameter as the distance between the exposed steel bars at the bottom of the prefabricated frame beam and the elevation of the structure;
step 3: and respectively endowing the left-end key parameter LH (the elevation distance of the exposed steel bars at the left end bottom from the storey) and the right-end key parameter RH (the elevation distance of the exposed steel bars at the right end bottom from the storey) of the beam in the prefabricated frame beam family model. In the prefabricated frame beam family module, the key parameter needs to adopt a shared parameter function and is defined as a report parameter;
step 4: loading each prefabricated frame beam family model into project files to create an integral prefabricated frame beam model;
step 5: comparing key parameters of each prefabricated frame beam group model in the project file, taking hoisting priority as an ordering rule when the key parameters in the adjacent prefabricated frame beam group models are larger, and determining the hoisting sequence of each prefabricated frame beam group model;
step 6: automatically generating hoisting sequence codes according to comparison result software, wherein the codes are nested in corresponding prefabricated frame beam group models in a parameter form;
step 7: adopting a detail list function of software to automatically extract a hoisting sequence coding list;
step 8: and feeding back the hoisting sequence coding list obtained in the steps to field technicians, and carrying out hoisting sequence coding identification on the incoming precast beams.
The software can adopt Revit software, and in step 1, the Revit software is adopted to create the prefabricated frame beam family model according to the design drawing of the prefabricated frame beam.
The invention provides a BIM-based prefabricated frame beam hoisting sequence coding system and a BIM-based prefabricated frame beam hoisting sequence coding method, which have the advantage of rapidly and accurately generating the prefabricated frame beam hoisting sequence by utilizing key parameters according to BIM software. The time consumed by manual coding of the hoisting sequence of the prefabricated frame beams can be greatly reduced, and reworking caused by field hoisting errors can be avoided. The hoisting efficiency of the prefabricated part can be effectively improved, and the effects of saving the construction period and reducing the cost are achieved.
It should be noted that, the structures, proportions, sizes and the like shown in the drawings attached to the present specification are used for understanding and reading only in conjunction with the disclosure of the present specification, and are not intended to limit the applicable limitations of the present invention, so that any structural modification, change of proportion or adjustment of size does not have any technical significance, and all fall within the scope of the disclosure of the present invention without affecting the efficacy and achievement of the present invention. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the invention, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the invention may be practiced.
The present invention is not limited to the above-mentioned embodiments, but is not limited to the above-mentioned embodiments, and any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical matters of the present invention can be made by those skilled in the art without departing from the scope of the present invention.
Claims (5)
1. The prefabricated frame beam hoisting sequence coding method based on BIM is characterized by comprising the following steps:
creating a prefabricated frame beam family model;
determining key parameters, namely the distance between the exposed steel bars at the bottom of the prefabricated frame beam and the elevation of the structure;
respectively endowing key parameters in the prefabricated frame beam group model;
loading each prefabricated frame beam family model into project files to create an integral prefabricated frame beam model;
comparing key parameters of each prefabricated frame beam group model in the project file, taking hoisting priority as an ordering rule when the key parameters in the adjacent prefabricated frame beam group models are larger, and determining the hoisting sequence of each prefabricated frame beam group model;
automatically generating hoisting sequence codes according to the obtained hoisting sequence, and nesting the codes in a corresponding prefabricated frame beam group model in a parameter form; and
adopting a detail list function to automatically extract a hoisting sequence coding list;
the method comprises the steps of establishing a prefabricated frame beam group model by adopting Revit software according to a design drawing of the prefabricated frame beam;
in the step of respectively giving key parameters in the prefabricated frame beam group model, respectively giving a left-end key parameter LH and a right-end key parameter RH, wherein the left-end key parameter LH is the distance from the bottom steel bar of the left end of the beam to the elevation of the floor structure, and the key parameter RH is the distance from the bottom steel bar of the right end of the beam to the elevation of the floor structure; in the prefabricated frame beam family model, the key parameters adopt a shared parameter function and are defined as report parameters;
when key parameters are compared, the left end key parameter LH and the right end key parameter RH of the lap joint of adjacent prefabricated frame beam group models are compared, and the hoisting sequence codes with larger key parameters are earlier;
after extracting the hoisting order code list, the method further comprises the steps of: and feeding back the obtained hoisting sequence coding list to field technicians, and carrying out hoisting sequence coding identification on the incoming prefabricated frame beams.
2. A BIM-based prefabricated frame beam lifting sequence encoding system for a BIM-based prefabricated frame beam lifting sequence encoding method as claimed in claim 1, comprising:
the prefabricated frame Liang Canshu module is used for giving key parameters to the prefabricated frame beam, wherein the key parameters are the distance between the exposed steel bars at the bottom of the prefabricated frame beam and the elevation of the structure;
the key parameter comparison module is used for comparing the adjacent prefabricated frame beams by using the key parameters, and determining the hoisting sequence by taking hoisting with higher key parameters in the adjacent prefabricated frame beams as sequencing rules;
the hoisting sequence coding module is used for automatically carrying out hoisting sequence coding on the prefabricated frame beam according to the key parameter comparison result, and the coding is nested in the parameters of the prefabricated frame beam in a parameter form;
and the hoisting sequence code list module is used for extracting the generated hoisting sequence codes and automatically generating a hoisting code list.
3. The BIM-based precast frame beam hoisting order encoding system of claim 2, further comprising a precast block Liang Jianmo module for creating a precast frame beam family model.
4. The BIM-based prefabricated frame beam hoisting sequence encoding system of claim 2, wherein the key parameters include a left-end key parameter LH and a right-end key parameter RH, wherein the left-end key parameter LH is a distance between a beam left-end bottom reinforcement and a floor structure elevation, and the key parameter RH is a distance between a beam right-end bottom reinforcement and a floor structure elevation.
5. The BIM-based prefabricated frame beam lifting sequence encoding system according to claim 4, wherein the key parameter comparison module compares the left end key parameter LH and the right end key parameter RH of the overlapping part of the adjacent prefabricated frame beam group model when the key parameters are compared, and the lifting sequence encoding with the larger key parameters is forward.
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