CN112434358B - PC assembly type building construction method - Google Patents
PC assembly type building construction method Download PDFInfo
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- CN112434358B CN112434358B CN202011251473.0A CN202011251473A CN112434358B CN 112434358 B CN112434358 B CN 112434358B CN 202011251473 A CN202011251473 A CN 202011251473A CN 112434358 B CN112434358 B CN 112434358B
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- 238000009435 building construction Methods 0.000 title claims abstract description 45
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- 238000010276 construction Methods 0.000 claims abstract description 60
- 238000009434 installation Methods 0.000 claims abstract description 7
- 238000010586 diagram Methods 0.000 claims description 10
- 238000005516 engineering process Methods 0.000 abstract description 10
- 238000013461 design Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
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- 238000005457 optimization Methods 0.000 description 2
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- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005662 electromechanics Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
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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
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
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Abstract
The invention provides a PC assembly type building construction method, which relates to the technical field of building construction and comprises the following steps: s1: constructing an integral three-dimensional graph; s2: constructing a three-dimensional map of the component; s3: before installing a component, acquiring a matching value of a real-time building three-dimensional map and an overall three-dimensional map, and marking the matching value as a first matching value; s4: during installation, acquiring a matching value of a three-dimensional graph combined by the PC assembly type component and the real-time building and the whole three-dimensional graph, and marking the matching value as a second matching value; s5: judging whether the second matching value is larger than the first matching value, and executing S6 in a warning mode if the second matching value is larger than the first matching value; otherwise, executing S7 without warning; s6: judging whether the second matching value is larger than a safety threshold value, if so, returning to the step S4; otherwise, executing S7; s7: the PC fitting type member is fastened. The invention has convenient construction and high safety, effectively combines the PC assembly type building construction technology and the three-dimensional modeling technology, ensures that errors can not be accumulated during the building construction period, and ensures the accurate control of the construction quality.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a PC assembly type building construction method.
Background
In the background of continuous promotion of policies and continuous upgrade of construction technology in recent years, PC components are widely applied in the design and construction process of public buildings and residential engineering at present, and after the maintenance structure, part of structural components and the like of the building are deeply split through design, the structural components and the like are prefabricated and formed by professional manufacturers and then transported to a construction site for hoisting construction, and the PC components which are commonly used at present are laminated slabs, bay windows, balconies, stairs, beams, wallboards and the like.
The PC assembly type building has the advantages of environmental protection, energy conservation and emission reduction, obvious advantages of reducing dust raising noise and wet operation workload on a construction site, improving quality, shortening construction period and the like, and meanwhile, in the field construction process, problems and defects are also found, for example, the risk that building construction does not reach standards during installation can be found, so that the safety and reliability of PC assembly type construction are required to be ensured, for example, chinese patent invention patent No. 110929328A discloses a concrete assembly type building construction method based on BIM, which comprises the following steps: creating a building full-specialty whole BIM model, optimizing the whole design, splitting the prefabricated parts, deepening the prefabricated part nodes, constructing a simulated optimization design, counting the engineering quantity, drawing a prefabricated part processing diagram, and manufacturing a prefabricated part two-dimensional code; by creating the visual informationized BIM model, the collaborative design of the information of each specialty of the building, the structure and the electromechanics is improved, the problem of missing and missing of each specialty of the design is avoided, and the quality of the design is improved. Meanwhile, the BIM visualization is used for simulating the assembly type construction process, so that the problem optimization design in the construction is found in time, and a barrier for the design and the construction is opened; in addition, the BIM technology can rapidly map according to the model, the engineering quantity is automatically counted, the design quality is improved, the visual construction simulation can further guide the site construction, the generated two-dimension code can be used for information tracing of prefabricated components, and the overall construction quality of the fabricated building is improved.
However, the above method still has the following disadvantages: the safety is guaranteed during construction, but the structural rationality and reliability are insufficient, each component has an error range during PC assembly type building construction, but if a large number of components are bigger or smaller, even if each component is in a reasonable error range, the components are less integrated, so that the constructed building has higher risk.
Therefore, in order to solve the above problems, it is necessary to design a reasonable PC-assembled building construction method.
Disclosure of Invention
The invention aims to provide the PC assembly type building construction method which is convenient to construct, high in safety and capable of effectively combining the PC assembly type building construction technology and the three-dimensional modeling technology, ensuring that errors are not accumulated during building construction and ensuring accurate control of construction quality.
In order to achieve the above purpose, the invention is realized by adopting the following technical scheme:
a PC assembly type building construction method comprises the following steps:
s1: acquiring building construction drawing data and constructing an overall three-dimensional map;
s2: acquiring size information of PC assembly type construction components and constructing a component three-dimensional map;
s3: before installing a PC assembly type component, acquiring a matching value of a real-time building three-dimensional map and an overall three-dimensional map, taking an absolute value, and marking the absolute value as a first matching value;
s4: when the PC assembly type component is installed, acquiring a matching value of a three-dimensional graph combined by the PC assembly type component and a real-time building and an integral three-dimensional graph to take an absolute value, and recording the absolute value as a second matching value;
s5: judging whether the second matching value is larger than the first matching value, if so, warning, and executing step S6; otherwise, the step S7 is directly executed without warning;
s6: judging whether the second matching value is larger than a safety threshold value, if so, returning to the step S4; otherwise, executing the step S7;
s7: the PC fitting type member is fastened.
Preferably, in the present invention, when step S1 is performed, the three-dimensional map is constructed by building a BIM.
Preferably, in the step S2, each PC-fabricated construction member is numbered, and three-dimensional maps of all PC-fabricated construction members are stored in the three-dimensional maps of the members, and are stored in one-to-one correspondence with the member numbers.
Preferably, before step S3 is executed, data of the current building is acquired, and a real-time three-dimensional building map is constructed.
Preferably, in the step S4, the number of the installed PC assembled construction member is obtained, and the three-dimensional map of the PC assembled construction member corresponding to the number is simulated and superimposed with the real-time building three-dimensional map to obtain a three-dimensional map of the PC assembled construction member combined with the real-time building.
Preferably, in the step S3, the real-time building three-dimensional map and the real-time building part of the whole three-dimensional map are compared to obtain a matching value, and then the absolute value is taken and recorded as a first matching value.
As a preferred mode of the present invention, when step S4 is executed, the three-dimensional map of the PC-fabricated component combined with the real-time building is compared with the real-time building portion of the overall three-dimensional map to obtain a matching value, and then the absolute value is taken and recorded as a second matching value.
As a preferred embodiment of the present invention, when step S6 is performed, a safety threshold is established according to the current construction progress and safety.
Preferably, in step S6, another PC-mounted component with the same number is selected for mounting when returning to step S4.
In a preferred embodiment of the present invention, when step S7 is executed, the PC mount member is fastened, and the number of the PC mount member and the corresponding three-dimensional map thereof are deleted.
The PC assembly type building construction method has the beneficial effects that: the construction is convenient, the safety is high, the PC assembly type building construction technology and the three-dimensional modeling technology are effectively combined, errors are prevented from accumulating during building construction, and the accurate control of the construction quality is guaranteed.
Drawings
Fig. 1 is a schematic flow chart of a PC-assembled building construction method of the present invention.
Detailed Description
The following are specific examples of the present invention, and the technical solutions of the present invention are further described, but the present invention is not limited to these examples.
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the modules and steps set forth in these embodiments and the steps do not limit the scope of the present invention unless specifically stated otherwise.
Meanwhile, it should be understood that the flow in the drawings is not merely performed alone, but a plurality of steps are performed to cross each other for convenience of description.
The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods known to those of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the present description where appropriate.
Examples: as shown in fig. 1, which is only one embodiment of the present invention, a PC-assembled building construction method includes the steps of:
s1: acquiring building construction drawing data and constructing an overall three-dimensional map;
the data of the theoretical building size is prepared into a three-dimensional graph, and the building construction drawing is ensured to be a qualified building drawing through safety inspection of a computer or experienced person.
Here, the overall three-dimensional map will be a target during the entire construction, as well as a model that needs to be reached after the entire construction is completed.
Of course, when step S1 is performed, the three-dimensional map is constructed by building a BIM. And building a building BIM model by using BIM modeling software according to the overall design drawing of the project, and carrying out drawing examination and check in a three-dimensional visualization mode. If the three-dimensional map is prepared by adopting other three-dimensional modeling modes, the three-dimensional map can be conveniently input, compared and output.
S2: acquiring size information of PC assembly type construction components and constructing a component three-dimensional map;
that is, the dimensional information of each of the PC-fabricated construction components is stored in the support three-dimensional map.
In practice, each PC-fabricated construction component is numbered, and three-dimensional maps of all PC-fabricated construction components are stored in a component three-dimensional map and stored in one-to-one correspondence with the component numbers.
S3: before installing a PC assembly type component, acquiring a matching value of a real-time building three-dimensional map and an overall three-dimensional map, taking an absolute value, and marking the absolute value as a first matching value;
and before executing the step S3, acquiring data of the current building, and constructing a real-time building three-dimensional map.
The method comprises the steps of obtaining a real-time building three-dimensional map when a PC assembly type component is not installed in current building construction, matching the real-time building three-dimensional map with an overall three-dimensional map, and obtaining an error value which is actually the error value between the current building construction and a construction drawing.
S4: when the PC assembly type component is installed, acquiring a matching value of a three-dimensional image and an integral three-dimensional image of the PC assembly type component combined with a real-time building, taking an absolute value, and marking the absolute value as a second matching value;
and S4, acquiring the number of the installed PC assembly type construction component, and simulating and superposing the three-dimensional diagram of the PC assembly type construction component corresponding to the number with the three-dimensional diagram of the real-time building to obtain the three-dimensional diagram of the combination of the PC assembly type component and the real-time building.
The method comprises the steps of obtaining a real-time building three-dimensional map when a PC assembly type component is pre-installed in current building construction, matching the real-time building three-dimensional map with an overall three-dimensional map, and obtaining an error value which is actually the error value between the current building construction and a construction drawing.
S5: judging whether the second matching value is larger than the first matching value, if so, warning, and executing step S6; otherwise, the step S7 is directly executed without warning;
and when the step S3 is executed, comparing the real-time building three-dimensional graph with the real-time building part of the whole three-dimensional graph to obtain a matching value, and then taking an absolute value to be recorded as a first matching value. Here, if the real-time building three-dimensional map is smaller than the whole three-dimensional map, the matching value is negative, for example, -0.8%, whereas if the real-time building three-dimensional map is larger than the whole three-dimensional map, the matching value is positive, for example +0.5%, and the absolute value can be taken for convenient comparison.
And S4, comparing the three-dimensional graph of the PC assembly type component combined with the real-time building part of the whole three-dimensional graph to obtain a matching value, and then taking an absolute value to be recorded as a second matching value.
Comparing the first matching value with the second matching value, and once the second matching value is larger than the first matching value, indicating that the installation of the PC assembly type component plays a role in amplifying errors on the whole building construction, wherein the PC assembly type component does not accord with the actual building construction, for example, the absolute value of the first matching value is minus 0.8 percent, the absolute value of the second matching value is minus 0.8 percent to plus 0.8 percent, once the absolute value of the second matching value deviates from the interval, the second matching value is larger than the first matching value, an alarm is needed, and a constructor is prompted to further check the safety coefficient, namely, the step S6 is executed; on the contrary, the installation of the PC assembly type component has the effect of reducing errors (namely, making up part of errors) on the whole building construction, and at the moment, the next construction can be carried out without further checking, and the step S7 can be executed.
Therefore, the situation that the first matching value takes the absolute value of minus 0.8 percent before the absolute value, the second matching value takes the absolute value of minus 0.9 percent after the PC assembly type component is installed, even if minus 0.9 percent is within the safe construction threshold range, the original construction data can be gradually deviated along with the construction, if the deviation is continuously amplified, the construction accuracy requirement after the deviation approaches the safe threshold infinitely is very high or the construction possibility is very low, and the construction difficulty is caused.
S6: judging whether the second matching value is larger than a safety threshold value, if so, returning to the step S4; otherwise, executing the step S7;
and when the step S6 is executed, a safety threshold is established according to the current construction progress and safety. That is, the safety threshold is actually set according to the environment of the current building, for example, the current building is already close to the receiving work, then the safety threshold can be close to the safety construction threshold range, otherwise, if there are many construction steps at the rear, then the safety threshold is theoretically the safety construction threshold range divided by the number of construction steps, the error of the whole building construction is shared to each construction step, and the safety threshold is different when each PC assembly type component is installed.
When step S6 is executed, another numbered PC-fabricated component is selected for installation while returning to step S4.
It should be noted that when step S2 is performed, the first two digits of the numbering represent the specification type of the PC assembly type member, the middle two digits of the numbering represent the size type of the PC assembly type member, and the last two digits of the numbering represent the actual ranking of the PC assembly type member. For example; 310108 corresponds to the 8 th large balcony T-board (where 31 means a balcony T-board, 01 means a large size, and 08 means an eighth member of this type). In practice, different PC-fabricated components of the same type are distinguished, since some components are forward (larger) and others are reverse (smaller).
The other PC assembly type component with the same number is selected, and the first four components with the same number and the second two components with different numbers are selected, namely the other PC assembly type component with the same specification type and size type as the previous PC assembly type component and different actual numbers.
Here, "two digits" and "four digits" are only imaginary and may be numbered according to the nature of the particular PC assembly member in accordance with this numbering scheme.
S7: the PC fitting type member is fastened.
It should be noted that in steps S4 to S6, the PC-assembled components are all pre-installed, and the installation is not determined, and once the PC-assembled components are ensured to be installed, the PC-assembled components can be fastened, so that the next building construction can be completed.
Of course, when step S7 is performed, the PC-fabricated component is fastened, and the number of the PC-fabricated component and its corresponding three-dimensional map are deleted, i.e., the numbered PC-fabricated component is already used and cannot be reused.
The PC assembly type building construction method is convenient to construct, high in safety and capable of effectively combining the PC assembly type building construction technology and the three-dimensional modeling technology, ensuring that errors are not accumulated during building construction and ensuring accurate control of construction quality.
The present invention is not limited to the above-described specific embodiments, and various modifications and variations are possible. Any modification, equivalent replacement, improvement, etc. of the above embodiments according to the technical substance of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The PC assembly type building construction method is characterized by comprising the following steps of:
s1: acquiring building construction drawing data and constructing an overall three-dimensional map;
s2: acquiring size information of PC assembly type construction components and constructing a component three-dimensional map;
s3: before installing the PC assembly type component, comparing the real-time building three-dimensional graph with the real-time building part of the whole three-dimensional graph to obtain a matching value, and then taking an absolute value to be recorded as a first matching value;
s4: when the PC assembly type component is installed, comparing the three-dimensional graph combined by the PC assembly type component and the real-time building with the real-time building part of the whole three-dimensional graph to obtain a matching value, and then taking an absolute value to record the absolute value as a second matching value;
s5: judging whether the second matching value is larger than the first matching value, if so, warning, and executing step S6; otherwise, the step S7 is directly executed without warning;
s6: judging whether the second matching value is larger than a safety threshold value, if so, returning to the step S4; otherwise, executing the step S7;
s7: the PC fitting type member is fastened.
2. The PC-fabricated building construction method according to claim 1, wherein:
when the step S1 is executed, the three-dimensional graph construction mode is BIM modeling.
3. The PC-fabricated building construction method according to claim 1, wherein:
and step S2, numbering each PC assembly type construction component, storing the three-dimensional diagrams of all the PC assembly type construction components in the three-dimensional diagrams of the component, and storing the three-dimensional diagrams in one-to-one correspondence with the component numbers.
4. A PC-fabricated building construction method according to claim 3, wherein:
and when the step S3 is executed, before the PC assembly type component is installed, the data of the current building is acquired, and a real-time building three-dimensional map is constructed.
5. The PC-fabricated building construction method according to claim 4, wherein:
and S4, when the PC assembly type construction member is installed, acquiring the number of the installed PC assembly type construction member, and simulating and superposing the three-dimensional diagram of the PC assembly type construction member corresponding to the number and the real-time building three-dimensional diagram to obtain the three-dimensional diagram of the combination of the PC assembly type construction member and the real-time building.
6. The PC-fabricated building construction method according to claim 1, wherein:
and when the step S6 is executed, a safety threshold is established according to the current construction progress and safety.
7. A PC-fabricated building construction method according to claim 3, wherein:
when step S6 is executed, another numbered PC-fabricated component is selected for installation while returning to step S4.
8. A PC-fabricated building construction method according to claim 3, wherein:
when step S7 is executed, the PC-fabricated component is fastened, and the number of the PC-fabricated component and its corresponding three-dimensional map are deleted.
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| CN113869684B (en) * | 2021-09-17 | 2024-07-09 | 湖南方圆工程咨询监理有限公司 | Engineering progress management method, device and system based on BIM |
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|---|---|---|---|---|
| CN109726445A (en) * | 2018-12-07 | 2019-05-07 | 佛山科学技术学院 | Assembled architecture concrete pouring procedure based on BIM |
| CN110287513A (en) * | 2019-05-09 | 2019-09-27 | 唐付 | A kind of built-in fitting construction method based on BIM technology |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109726445A (en) * | 2018-12-07 | 2019-05-07 | 佛山科学技术学院 | Assembled architecture concrete pouring procedure based on BIM |
| CN110287513A (en) * | 2019-05-09 | 2019-09-27 | 唐付 | A kind of built-in fitting construction method based on BIM technology |
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| Title |
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| BIM技术在装配式建筑中的应用和实施方案;武彦章;;中国住宅设施(02);第122-123页 * |
| 浅谈预制装配式建筑施工管控要点;蔡峰;陆萌梅;李召召;;浙江建筑(01);第39-43页 * |
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