CN111709067B - Assembly type framework structure automatic splitting optimization method based on LINGO software - Google Patents
Assembly type framework structure automatic splitting optimization method based on LINGO software Download PDFInfo
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- CN111709067B CN111709067B CN202010404110.XA CN202010404110A CN111709067B CN 111709067 B CN111709067 B CN 111709067B CN 202010404110 A CN202010404110 A CN 202010404110A CN 111709067 B CN111709067 B CN 111709067B
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Abstract
The invention discloses an automatic splitting and optimizing method of an assembled frame structure based on LINGO software, which comprises the following steps: step one, forward design: the prefabricated concrete frame structure is designed in the forward direction through building structure calculation software, the cast-in-place concept equivalent to assembly is used, the earthquake internal force amplification coefficient of a cast-in-place wall is multiplied by 1.1, the earthquake internal force amplification coefficient of a cast-in-place column is multiplied by 1.1, and the earthquake internal force amplification coefficient of a prefabricated vertical component is multiplied by 1, and in the invention, the LINGO algorithm is utilized to calculate whether each component, namely a beam, a plate and a column, in the existing prefabricated frame structure building is cast-in-place or assembled to ensure that the construction cost is the lowest while the prefabrication rate is achieved.
Description
Technical Field
The invention relates to the field of building related products, in particular to an automatic disassembling and optimizing method for an assembled frame structure based on LINGO software.
Background
The frame structure is a structure in which a frame composed of a plurality of beams and columns is used to bear the whole load of a house. For high-rise civil buildings and multi-storey industrial plants, the load bearing of brick walls cannot meet the requirement of large load, and a frame is often adopted as a load bearing structure. The house load comprises the weight of people, furniture, articles and mechanical equipment, the self weight of a floor slab, a wall body and the like. The wall built in the frame only plays the roles of enclosure and separation, and bears no other load except the self weight of the load. In order to reduce the load of the frame, light walls such as foam concrete blocks (wall boards) or hollow bricks should be used as much as possible. The common construction modes of cast-in-place and assembly are adopted, the prefabrication rate and the construction cost are different due to different construction modes of the cast-in-place type and the assembly type, and the existing technology for accurately calculating the cast-in-place type and the assembly type is not adopted so as to obtain the optimal construction cost scheme.
Disclosure of Invention
The invention aims to provide an automatic disassembling and optimizing method of an assembled framework structure based on LINGO software, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an automatic splitting and optimizing method for an assembled framework structure based on LINGO software comprises the following steps:
step one, forward design: the method comprises the steps that a fabricated concrete frame structure is designed in a forward direction through building structure calculation software, the assembly equal cast-in-place concept is used, the seismic internal force amplification coefficient of a cast-in-place wall is selected to be multiplied by 1.1 from calculation parameters of a preprocessing and calculating module, the seismic internal force amplification coefficient of a cast-in-place column is multiplied by 1.1, and the seismic internal force amplification coefficient of a prefabricated vertical component is multiplied by 1;
step two, model construction: converting the beams, the plates and the columns which are designed in the forward direction in the step one into models, wherein each component comprises two kinds of information, one is cast-in-place component information, and the other is prefabricated component information;
step three, calculating an optimization program: using the prefabrication rate performance price ratio analysis, removing the prefabrication rate of the prefabricated member according to the manufacturing cost increment generated by the prefabricated member per cubic meter compared with the cast-in-place member, and obtaining a prefabrication rate performance price ratio parameter;
step four, calculating the manufacturing cost: counting the engineering quantity information of each component, importing the information into a cost calculation program, importing the cost information and the prefabrication rate information of each component by using a LINGO program under the set integral prefabrication rate of the fabricated concrete frame structure, calculating the integral cost extreme value of the structure, and obtaining an optimal cost scheme;
step five, selecting a manufacturing cost scheme: and step four, providing information whether each member is prefabricated or cast-in-place after the optimal scheme is obtained, and providing the total construction cost information of the structure after the optimal scheme.
Preferably, the cast-in-place member information in the second step includes a comprehensive construction cost level of the member, a member size, member reinforcing steel bar information and a member manufacturing work day level.
Preferably, the prefabricated part information in the second step includes a prefabricating rate level of the prefabricated part, a comprehensive manufacturing cost of the prefabricated part, a size of the prefabricated part, reinforcing steel bar information of the prefabricated part and a manufacturing work day level of the prefabricated part.
Preferably, the building structure calculation software in the step one is only used for calculating the beam, the plate and the column members of the fabricated concrete frame structure, and does not comprise other members such as prefabricated stairs, prefabricated Yang Taiban and the like.
Preferably, the model information of the beam, the plate and the column generated in the second step is a mathematical model, and size information, steel bar information, construction cost information and prefabrication rate information are visually displayed on the mathematical model.
Compared with the prior art, the invention has the beneficial effects that:
in the invention, the LINGO algorithm is used for calculating whether each component, namely a beam, a plate and a column, in the existing fabricated frame structure building is cast-in-place or fabricated to ensure that the lowest manufacturing cost is achieved while the prefabrication rate is achieved.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
The embodiment provided by the invention comprises the following steps: an automatic disassembling and optimizing method for an assembled frame structure based on LINGO software comprises the following steps:
step one, forward design: the method comprises the steps that a fabricated concrete frame structure is designed in a forward direction through building structure calculation software, the assembly equal cast-in-place concept is used, the seismic internal force amplification coefficient of a cast-in-place wall is selected to be multiplied by 1.1 from calculation parameters of a preprocessing and calculating module, the seismic internal force amplification coefficient of a cast-in-place column is multiplied by 1.1, and the seismic internal force amplification coefficient of a prefabricated vertical component is multiplied by 1;
step two, model construction: converting the beam, the plate and the column which are designed in the forward direction in the step one into a model, wherein each member comprises two kinds of information, one is cast-in-place member information, and the other is prefabricated member information;
step three, calculating an optimization program: using prefabrication rate performance-price ratio analysis to remove the prefabrication rate of the prefabricated member according to the cost increment generated by each cubic meter of the prefabricated member compared with the cast-in-place member to obtain a prefabrication rate performance-price ratio parameter;
step four, calculating the manufacturing cost: counting the engineering quantity information of each component, importing the information into a cost calculation program, importing the cost information and the prefabrication rate information of each component by using a LINGO program under the set integral prefabrication rate of the fabricated concrete frame structure, calculating the integral cost extreme value of the structure, and obtaining an optimal cost scheme;
step five, selecting a manufacturing cost scheme: and step four, providing information whether each member is prefabricated or cast-in-place after the optimal scheme is obtained, and providing the total construction cost information of the structure after the optimal scheme.
Further, the cast-in-place member information in the second step comprises the comprehensive construction cost level of the member, the member size, the member steel bar information and the member manufacturing work day level.
And further, the prefabricated part information in the step two comprises the prefabrication rate level of the prefabricated part, the comprehensive manufacturing cost of the prefabricated part, the size of the prefabricated part, the steel bar information of the prefabricated part and the manufacturing work day level of the prefabricated part.
Furthermore, in the step one, the building structure calculation software is only used for calculating the beam, the plate and the column components of the assembled concrete frame structure, and does not comprise other components such as prefabricated stairs, prefabricated Yang Taiban and the like.
And further, the beam model information, the plate model information and the column model information generated in the step two are all mathematical models, and size information, steel bar information, construction cost information and prefabrication rate information are visually displayed on the mathematical models.
The working principle is as follows: firstly, forward design is carried out on an assembly type concrete frame structure through building structure computing software, the building structure computing software adopts filling building department building structure computing software YJK, a beam, a plate and a column which are forward designed are converted into a model, prefabrication rate cost ratio analysis is used, prefabrication rate of the components is removed through cost increment generated by each cubic meter of the prefabricated components compared with cast-in-place components, prefabrication rate cost ratio parameters are obtained, construction quantity information of all the components is counted and imported into a construction cost computing program, the construction cost computing program adopts a wide access cloud pricing platform, construction cost information of each component is imported through an LINGO program under the set integral prefabrication rate of the assembly type concrete frame structure, prefabrication rate information is obtained, an integral construction cost extreme value of the structure is computed, an optimal construction cost scheme is obtained, prefabrication or cast-in-place is judged, and overall construction cost information of the structure after the optimal scheme is provided.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (5)
1. An automatic disassembling and optimizing method for an assembled frame structure based on LINGO software is characterized by comprising the following steps: the method comprises the following steps:
step one, forward design: the method comprises the steps that a fabricated concrete frame structure is designed in a forward direction through building structure calculation software, the assembly equal cast-in-place concept is used, the seismic internal force amplification coefficient of a cast-in-place wall is selected to be multiplied by 1.1 from calculation parameters of a preprocessing and calculating module, the seismic internal force amplification coefficient of a cast-in-place column is multiplied by 1.1, and the seismic internal force amplification coefficient of a prefabricated vertical component is multiplied by 1;
step two, model construction: converting the beams, the plates and the columns which are designed in the forward direction in the step one into models, wherein each component comprises two kinds of information, one is cast-in-place component information, and the other is prefabricated component information;
step three, calculating an optimization program: using the prefabrication rate performance price ratio analysis, removing the prefabrication rate of the prefabricated member according to the manufacturing cost increment generated by the prefabricated member per cubic meter compared with the cast-in-place member, and obtaining a prefabrication rate performance price ratio parameter;
step four, cost calculation: counting the engineering quantity information of each component, importing the information into a cost calculation program, importing the cost information and the prefabrication rate information of each component by using a LINGO program under the set integral prefabrication rate of the fabricated concrete frame structure, calculating the integral cost extreme value of the structure, and obtaining an optimal cost scheme;
step five, selecting a manufacturing cost scheme: and step four, providing information whether each member is prefabricated or cast-in-place after the optimal scheme is obtained, and providing the total construction cost information of the structure after the optimal scheme.
2. The method of claim 1, wherein the method for automatically splitting and optimizing the assembled framework structure based on the LINGO software is characterized in that: and in the second step, the cast-in-place member information comprises the comprehensive construction cost level of the member, the member size, the member steel bar information and the member manufacturing work day level.
3. The method of claim 1, wherein the method for automatically splitting and optimizing the assembled framework structure based on the LINGO software is characterized in that: and in the second step, the information of the prefabricated parts comprises the prefabrication rate level of the prefabricated parts, the comprehensive construction cost of the prefabricated parts, the size of the prefabricated parts, the steel bar information of the prefabricated parts and the manufacturing work day level of the prefabricated parts.
4. The method of claim 1, wherein the method for automatically splitting and optimizing the assembled framework structure based on the LINGO software is characterized in that: and in the step one, the building structure calculation software is only used for calculating the beam, plate and column components of the assembled concrete frame structure, and does not comprise other components such as prefabricated stairs and prefabricated balcony boards.
5. The method of claim 1, wherein the method for automatically splitting and optimizing the assembled framework structure based on the LINGO software is characterized in that: and the beam, plate and column model information generated in the step two is a mathematical model, and size information, steel bar information, cost information and prefabrication rate information are visually displayed on the mathematical model.
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