CN112417576A - Optimization method of building total plane design based on building fire prevention requirements - Google Patents

Optimization method of building total plane design based on building fire prevention requirements Download PDF

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CN112417576A
CN112417576A CN202011502049.9A CN202011502049A CN112417576A CN 112417576 A CN112417576 A CN 112417576A CN 202011502049 A CN202011502049 A CN 202011502049A CN 112417576 A CN112417576 A CN 112417576A
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building
unit
frame structure
distance
structure model
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徐定建
徐瑞行
余晓琴
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Ruian Antai Geological And Mineral Construction Engineering Co ltd
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Ruian Antai Geological And Mineral Construction Engineering Co ltd
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00—Computer-aided design [CAD]
    • G06F30/10—Geometric CAD
    • G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00—Computer-aided design [CAD]
    • G06F30/20—Design optimisation, verification or simulation
    • G06F30/23—Design optimisation, verification or simulation using finite element methods [FEM] or finite difference methods [FDM]

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Abstract

The invention discloses an optimization method of building total plane design based on building fire protection requirements, which comprises the steps of inputting a designed building total plane layout drawing, establishing a frame structure model by using the building total plane layout drawing, wherein the frame structure model is a finite element model, a plurality of units are divided on the frame structure model, and each unit is a square with the side length of A; and extracting the coordinates of the central point of each unit and the frame structure model, judging whether the central point of the unit is in a certain frame structure model, and if the central point is in the frame structure model, marking as a. By adopting the optimization method designed by the invention, the points which do not meet the fireproof space on the frame structure model can be calculated and marked, the compliance of the building fireproof space can be immediately judged, and a designer can design and adjust the overall plane layout of the building by referring to the points which do not meet the fireproof space and are marked on the frame structure model, thereby greatly improving the working efficiency of the designer.

Description

Optimization method of building total plane design based on building fire prevention requirements
Technical Field
The invention relates to the technical field of buildings, in particular to an optimization method of a building total plane design based on building fireproof requirements.
Background
The building construction refers to the production activities in the engineering construction implementation stage, is the construction process of various buildings, also can be said to be various lines on the design drawing, the process of changing the building into a real object at a designated place comprises foundation engineering construction, main structure construction, roofing engineering construction, decoration engineering construction and the like, wherein the construction operation place is called a building construction site or a construction site, also called a construction site, and a very important part of the total plane arrangement of the building is the design of the fire-proof distance and the fire-fighting channel of the building, in order to prevent the fire from spreading to the adjacent buildings and save land, the current general design method depends on the space requirement among different types of buildings by designers, measuring the closest point between two building outlines through computer aided design software in the design process so as to judge whether the buildings meet the requirement of space; the method has the advantages that the method is large in inspection workload for the total planes with a large number of buildings, such as residential areas, industrial parks and the like, and projects with complex building outlines, the distances among all buildings need to be manually judged and exhausted, inspection results seriously depend on the quality and skill level of designers, and mistakes and omissions are easily caused.
Disclosure of Invention
The invention aims to provide an optimization method of building total plane design based on building fireproof requirements, which has the advantage of high efficiency and solves the problems that the traditional design method has large inspection workload, needs manual judgment and exhaustion of the intervals among all buildings, and the inspection result seriously depends on the quality and skill level of designers, so that mistakes and omissions are easily caused.
In order to achieve the purpose, the invention provides the following technical scheme: a building total plane design optimization method based on building fire protection requirements comprises the following steps:
inputting a designed building general plane layout drawing, and establishing a frame structure model by using the building general plane layout drawing, wherein the frame structure model is a finite element model, a plurality of units are divided on the finite element model, and each unit is a square with the side length of A;
(II) extracting the coordinates of the central point of each unit and the frame structure model, judging whether the central point of the unit is in a certain frame structure model, if the central point is in the frame structure model, marking as a, meeting the design requirement, and repeatedly calculatingIf the point is not in the frame structure model, calculating the minimum distance between the center point of the unit and the frame structure model, and recording the minimum value in all the minimum distances as D0And the corresponding fire protection type of the building is marked as T0The minimum distance and fire protection type of other buildings are denoted as Di、Ti(i＝1，2，...)；
(III) comparison D0And a/2, if D0If the ratio is less than or equal to A/2, the unit is judged to be on the frame structure model, and T is found according to the specification0And Ti(i 1, 2..) minimum fire separation D between two building categories, if DiIf D is less than D, the distance between the unit and other buildings is judged not to meet the specification of the fireproof distance, marked as b and unqualified, and if D is less than D, the distance between the unit and other buildings is judged not to meet the specification of the fireproof distanceiAnd D, judging that the distance between the unit and other buildings meets the specification of the fireproof distance, marking the distance as c, and calculating the next unit repeatedly after the distance is qualified.
Preferably, the distance D between the second step and the third step is the maximum fire-proof distance between all building types according to the standardmDeletion greater than DmD of (A)i。
Preferably, the minimum distance between the center point of the unit and the frame structure model in the second step is calculated by equally dividing the frame structure model into k points, and calculating the specific value of each point and the center point of the unit as l1、l2、...lkThe minimum distance between the center point of the unit and the frame structure model is min (l)1、l2、...lk)。
Preferably, the minimum distance m between the fire fighting access and the rescue site and the building is found according to the standard in the third step, and if D is greater than m, the minimum distance m is found0If m is less than or equal to m, judging that the unit is not suitable for arranging a fire fighting lane and a rescue site, marking as D, and if D is less than or equal to m, judging that the unit is not suitable for arranging a fire fighting lane and a rescue site, and if D is not more than D0If the number is more than m, the unit can be arranged with a fire fighting lane and a rescue site, and the mark is e.
Preferably, after the units are calculated, all the units marked as e form an e area, the minimum width of the fire fighting channel is found to be n according to the standard, and the narrow channel with the width smaller than n in the e area is deleted.
Compared with the prior art, the invention has the following beneficial effects:
by adopting the optimization method designed by the invention, the points which do not meet the fireproof space on the frame structure model can be calculated and marked, the compliance of the building fireproof space can be immediately judged, and a designer can design and adjust the overall plane layout of the building by referring to the points which do not meet the fireproof space and are marked on the frame structure model, thereby greatly improving the working efficiency of the designer.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a technical scheme that:
a building total plane design optimization method based on building fire protection requirements comprises the following steps:
inputting a designed building general plane layout drawing, and establishing a frame structure model by using the building general plane layout drawing, wherein the frame structure model is a finite element model, a plurality of units are divided on the finite element model, and each unit is a square with the side length of A;
(II) extracting the coordinates of the central point of each unit and the frame structure model, judging whether the central point of the unit is in a certain frame structure model, if the point is in the frame structure model, marking the central point as a, meeting the design requirement, repeatedly calculating the next unit, if the point is not in the frame structure model, calculating the minimum distance between the central point of the unit and the frame structure model, and marking the minimum value in all the minimum distances as D0And the corresponding fire protection type of the building is marked as T0The minimum distance and fire protection type of other buildings are denoted as Di、Ti(i＝1，2，...)；
(III) comparison D0And a/2, if D0If the ratio is less than or equal to A/2, the unit is judged to be on the frame structure model, and T is found according to the specification0And Ti(i 1, 2..) minimum fire separation D between two building categories, if DiIf D is less than D, the distance between the unit and other buildings is judged not to meet the specification of the fireproof distance, marked as b and unqualified, and if D is less than D, the distance between the unit and other buildings is judged not to meet the specification of the fireproof distanceiAnd D, judging that the distance between the unit and other buildings meets the specification of the fireproof distance, marking the distance as c, and calculating the next unit repeatedly after the distance is qualified.
The first embodiment is as follows:
inputting a designed building general plane layout drawing, and establishing a frame structure model by using the building general plane layout drawing, wherein the frame structure model is a finite element model, a plurality of units are divided on the finite element model, and each unit is a square with the side length of A; extracting the coordinates of the central point of each unit and the frame structure model, judging whether the central point of the unit is in a certain frame structure model, if the point is in the frame structure model, marking the central point as a, meeting the design requirement, repeatedly calculating the next unit, if the point is not in the frame structure model, calculating the minimum distance between the central point of the unit and the frame structure model, and marking the minimum value in all the minimum distances as D0And the corresponding fire protection type of the building is marked as T0The minimum distance and fire protection type of other buildings are denoted as Di、Ti(i ═ 1, 2.); comparison D0And a/2, if D0If the ratio is less than or equal to A/2, the unit is judged to be on the frame structure model, and T is found according to the specification0And Ti(i 1, 2..) minimum fire separation D between two building categories, if DiIf D is less than D, the distance between the unit and other buildings is judged not to meet the specification of the fireproof distance, marked as b and unqualified, and if D is less than D, the distance between the unit and other buildings is judged not to meet the specification of the fireproof distanceiAnd D, judging that the distance between the unit and other buildings meets the specification of the fireproof distance, marking the distance as c, and calculating the next unit repeatedly after the distance is qualified.
Example two:
in the first embodiment, the following steps are added:
the distance D with the maximum fire-proof distance among all the building types is searched according to the specifications between the step two and the step threemDeletion greater than DmD of (A)i。
Inputting a designed building general plane layout drawing, and establishing a frame structure model by using the building general plane layout drawing, wherein the frame structure model is a finite element model, a plurality of units are divided on the finite element model, and each unit is a square with the side length of A; extracting the coordinates of the central point of each unit and the frame structure model, judging whether the central point of the unit is in a certain frame structure model, if the point is in the frame structure model, marking the central point as a, meeting the design requirement, repeatedly calculating the next unit, if the point is not in the frame structure model, calculating the minimum distance between the central point of the unit and the frame structure model, and marking the minimum value in all the minimum distances as D0And the corresponding fire protection type of the building is marked as T0The minimum distance and fire protection type of other buildings are denoted as Di、Ti(i ═ 1, 2.); comparison D0And a/2, if D0If the ratio is less than or equal to A/2, the unit is judged to be on the frame structure model, and T is found according to the specification0And Ti(i 1, 2..) minimum fire separation D between two building categories, if DiIf D is less than D, the distance between the unit and other buildings is judged not to meet the specification of the fireproof distance, marked as b and unqualified, and if D is less than D, the distance between the unit and other buildings is judged not to meet the specification of the fireproof distanceiAnd D, judging that the distance between the unit and other buildings meets the specification of the fireproof distance, marking the distance as c, and calculating the next unit repeatedly after the distance is qualified.
Example three:
in the second embodiment, the following steps are added:
the minimum distance calculation method of the central point of the unit and the frame structure model in the step two is to equally divide the frame structure model into k points, and calculate the specific point of each point and the central point of the unit as l1、l2、...lkThe minimum distance between the center point of the unit and the frame structure model is min (l)1、l2、...lk)。
Input designed building assemblyA plane layout, namely establishing a frame structure model for the total building plane layout, wherein the frame structure model is a finite element model, a plurality of units are divided on the finite element model, and each unit is a square with the side length of A; extracting the coordinates of the central point of each unit and the frame structure model, judging whether the central point of the unit is in a certain frame structure model, if the point is in the frame structure model, marking the central point as a, meeting the design requirement, repeatedly calculating the next unit, if the point is not in the frame structure model, calculating the minimum distance between the central point of the unit and the frame structure model, and marking the minimum value in all the minimum distances as D0And the corresponding fire protection type of the building is marked as T0The minimum distance and fire protection type of other buildings are denoted as Di、Ti(i ═ 1, 2.); comparison D0And a/2, if D0If the ratio is less than or equal to A/2, the unit is judged to be on the frame structure model, and T is found according to the specification0And Ti(i 1, 2..) minimum fire separation D between two building categories, if DiIf D is less than D, the distance between the unit and other buildings is judged not to meet the specification of the fireproof distance, marked as b and unqualified, and if D is less than D, the distance between the unit and other buildings is judged not to meet the specification of the fireproof distanceiAnd D, judging that the distance between the unit and other buildings meets the specification of the fireproof distance, marking the distance as c, and calculating the next unit repeatedly after the distance is qualified.
Example four:
in the third embodiment, the following steps are added:
finding out the minimum distance m between the fire fighting channel and the rescue site and the building according to the standard in the third step, and if D is not more than m, finding out the minimum distance m between the fire fighting channel and the rescue site and the building0If m is less than or equal to m, judging that the unit is not suitable for arranging a fire fighting lane and a rescue site, marking as D, and if D is less than or equal to m, judging that the unit is not suitable for arranging a fire fighting lane and a rescue site, and if D is not more than D0If the number is more than m, the unit can be arranged with a fire fighting lane and a rescue site, and the mark is e.
Inputting a designed building general plane layout drawing, and establishing a frame structure model by using the building general plane layout drawing, wherein the frame structure model is a finite element model, a plurality of units are divided on the finite element model, and each unit is a square with the side length of A; extracting the coordinates of the central point of each unit and the frame structure model, and judging whether the central point of the unit is in a certain frameIf the point is not in the frame structure model, calculating the minimum distance between the center point of the unit and the frame structure model, and marking the minimum value in all the minimum distances as D0And the corresponding fire protection type of the building is marked as T0The minimum distance and fire protection type of other buildings are denoted as Di、Ti(i ═ 1, 2.); comparison D0And a/2, if D0If the ratio is less than or equal to A/2, the unit is judged to be on the frame structure model, and T is found according to the specification0And Ti(i 1, 2..) minimum fire separation D between two building categories, if DiIf D is less than D, the distance between the unit and other buildings is judged not to meet the specification of the fireproof distance, marked as b and unqualified, and if D is less than D, the distance between the unit and other buildings is judged not to meet the specification of the fireproof distanceiAnd D, judging that the distance between the unit and other buildings meets the specification of the fireproof distance, marking the distance as c, and calculating the next unit repeatedly after the distance is qualified.
Example five:
in the fourth example, the following steps were added:
after the unit calculation is finished, all the units marked as e form an e area, the minimum width of the fire fighting channel is found to be n according to the standard, and narrow channels with the width smaller than n in the e area are deleted.
Inputting a designed building general plane layout drawing, and establishing a frame structure model by using the building general plane layout drawing, wherein the frame structure model is a finite element model, a plurality of units are divided on the finite element model, and each unit is a square with the side length of A; extracting the coordinates of the central point of each unit and the frame structure model, judging whether the central point of the unit is in a certain frame structure model, if the point is in the frame structure model, marking the central point as a, meeting the design requirement, repeatedly calculating the next unit, if the point is not in the frame structure model, calculating the minimum distance between the central point of the unit and the frame structure model, and marking the minimum value in all the minimum distances as D0And the corresponding fire protection type of the building is marked as T0The minimum distance and fire protection type of other buildings are denoted as Di、Ti(i ═ 1, 2.); comparison D0And a/2, if D0If the ratio is less than or equal to A/2, the unit is judged to be on the frame structure model, and T is found according to the specification0And Ti(i 1, 2..) minimum fire separation D between two building categories, if DiIf D is less than D, the distance between the unit and other buildings is judged not to meet the specification of the fireproof distance, marked as b and unqualified, and if D is less than D, the distance between the unit and other buildings is judged not to meet the specification of the fireproof distanceiAnd D, judging that the distance between the unit and other buildings meets the specification of the fireproof distance, marking the distance as c, and calculating the next unit repeatedly after the distance is qualified.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. A building total plane design optimization method based on building fire protection requirements is characterized by comprising the following steps: the method comprises the following steps:
inputting a designed building general plane layout drawing, and establishing a frame structure model by using the building general plane layout drawing, wherein the frame structure model is a finite element model, a plurality of units are divided on the finite element model, and each unit is a square with the side length of A;
(II) extracting the coordinates of the central point of each unit and the frame structure model, judging whether the central point of the unit is in a certain frame structure model, if the point is in the frame structure model, marking the central point as a, meeting the design requirement, repeatedly calculating the next unit, if the point is not in the frame structure model, calculating the minimum distance between the central point of the unit and the frame structure model, and marking the minimum value in all the minimum distances as D0And the corresponding fire protection type of the building is marked as T0The minimum distance and fire protection type of other buildings are denoted as Di、Ti(i＝1，2，...)；
(III) comparison D0And a/2, if D0If the ratio is less than or equal to A/2, the unit is judged to be in the frameOn the frame structure model, finding T according to the standard0And Ti(i 1, 2..) minimum fire separation D between two building categories, if DiIf D is less than D, the distance between the unit and other buildings is judged not to meet the specification of the fireproof distance, marked as b and unqualified, and if D is less than D, the distance between the unit and other buildings is judged not to meet the specification of the fireproof distanceiAnd D, judging that the distance between the unit and other buildings meets the specification of the fireproof distance, marking the distance as c, and calculating the next unit repeatedly after the distance is qualified.
2. The method for optimizing the total plane design of the building based on the fireproof requirement of the building, according to claim 1, is characterized in that: the distance D with the maximum fire-proof distance among all the building types is searched according to the specifications between the step two and the step threemDeletion greater than DmD of (A)i。
3. The method for optimizing the total plane design of the building based on the fireproof requirement of the building, according to claim 1, is characterized in that: the minimum distance calculation method of the central point of the unit and the frame structure model in the step two is to equally divide the frame structure model into k points, and calculate the specific point of each point and the central point of the unit as l1、l2、...lkThe minimum distance between the center point of the unit and the frame structure model is min (l)1、l2、...lk)。
4. The method for optimizing the total plane design of the building based on the fireproof requirement of the building, according to claim 1, is characterized in that: and in the third step, the minimum distance m between the fire fighting channel and the building and between the rescue site and the building are found according to the standard, and if D is greater than m, the minimum distance m is found0If m is less than or equal to m, judging that the unit is not suitable for arranging a fire fighting lane and a rescue site, marking as D, and if D is less than or equal to m, judging that the unit is not suitable for arranging a fire fighting lane and a rescue site, and if D is not more than D0If the number is more than m, the unit can be arranged with a fire fighting lane and a rescue site, and the mark is e.
5. The method for optimizing the total plane design of the building based on the fire protection requirement of the building, according to claim 4, is characterized in that: after the units are calculated, all the units marked as e form an e area, the minimum width of the fire fighting channel is found to be n according to the standard, and narrow channels with the width smaller than n in the e area are deleted.
CN202011502049.9A 2020-12-18 2020-12-18 Optimization method of building total plane design based on building fire prevention requirements Pending CN112417576A (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109003501A (en) * 2018-08-09 2018-12-14 公安部天津消防研究所 A kind of fire simulation experimental apparatus and experimental method for studying building fire protection spacing
CN111931280A (en) * 2020-08-27 2020-11-13 清华大学建筑设计研究院有限公司 Optimization method of building total plane design based on building fire prevention requirements

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109003501A (en) * 2018-08-09 2018-12-14 公安部天津消防研究所 A kind of fire simulation experimental apparatus and experimental method for studying building fire protection spacing
CN111931280A (en) * 2020-08-27 2020-11-13 清华大学建筑设计研究院有限公司 Optimization method of building total plane design based on building fire prevention requirements

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