阅读说明：本技术 基于bim技术的墙体绿色施工方法 (BIM technology-based wall green construction method ) 是由 殷国华 赵志伟 熊志杰 殷丹 于 2020-12-31 设计创作，主要内容包括：本发明涉及一种基于BIM技术的墙体绿色施工方法,涉及建筑墙体的技术领域。它包括根据待修筑墙体的二维图纸和施工场地的地形地势,建立待修筑墙体的三维BIM模型,并确定待修筑墙体的预制剪力墙和预制楼板的安装位置；根据三维BIM模型准备多个预制楼板和多个预制剪力墙；根据三维BIM模型中预制楼板和预制剪力墙的安装位置在施工场地的基础上安装预制楼板和预制剪力墙；在待修筑墙体装配完毕后,利用扫描获得的点云数据对已经装配好的墙体进行三维建模,得到已装配墙体的三维实体模型,将此三维实体模型与三维BIM模型进行对比,检查实体三维模型是否符合设计要求。本发明能耗较小、施工周期短、节能环保。(The invention relates to a BIM technology-based wall body green construction method, and relates to the technical field of building wall bodies. The method comprises the steps of establishing a three-dimensional BIM model of a wall to be built according to a two-dimensional drawing of the wall to be built and the topographic relief of a construction site, and determining the installation positions of a prefabricated shear wall and a prefabricated floor slab of the wall to be built; preparing a plurality of prefabricated floor slabs and a plurality of prefabricated shear walls according to the three-dimensional BIM model; mounting the prefabricated floor slab and the prefabricated shear wall on the basis of a construction site according to the mounting positions of the prefabricated floor slab and the prefabricated shear wall in the three-dimensional BIM model; after the wall body to be repaired is assembled, performing three-dimensional modeling on the assembled wall body by using the point cloud data obtained by scanning to obtain a three-dimensional solid model of the assembled wall body, comparing the three-dimensional solid model with the three-dimensional BIM model, and checking whether the solid three-dimensional model meets the design requirements. The invention has the advantages of less energy consumption, short construction period, energy saving and environmental protection.)

1. A wall body green construction method based on a BIM technology is characterized by comprising the following steps:

s1, establishing a three-dimensional BIM model of the wall to be built according to the two-dimensional drawing of the wall to be built and the topographic relief of the construction site;

s2, preparing a plurality of prefabricated floor slabs (1) and a plurality of prefabricated shear walls (2) according to the three-dimensional BIM model, wherein a plurality of positioning columns (4) and grooves (3) for conveniently assembling the prefabricated floor slabs (1) and the prefabricated shear walls (2) are arranged on the prefabricated shear walls (2); a plurality of positioning holes (9) corresponding to the positioning columns (4) are arranged on the prefabricated floor slab (1);

s3, installing the precast floor slabs (1) and the precast shear walls (2) on the basis of a construction site according to the installation positions of the precast floor slabs (1) and the precast shear walls (2) in the three-dimensional BIM model;

and S4, after the wall body to be repaired is assembled, performing three-dimensional modeling on the assembled wall body by using the point cloud data obtained by scanning to obtain a three-dimensional solid model of the assembled wall body, comparing the three-dimensional solid model with the three-dimensional BIM model, and checking whether the solid three-dimensional model meets the design requirements.

2. The BIM technology-based wall green construction method according to claim 1, wherein the three-dimensional BIM model is created by the following method: drawing according to the existing two-dimensional CAD drawing of the wall to be built, drawing a three-dimensional simulation model of the wall to be built through the MaxiCAD software based on Revit, and then loading the dynamic assembly process of the wall to be built in the three-dimensional simulation model, wherein at the moment, the creation of the three-dimensional BIM model can also be completed.

3. The BIM technology-based wall body green construction method according to claim 1, wherein construction operation information and construction operation notice information in an assembly process are further loaded on the three-dimensional BIM model.

4. The BIM technology-based wall green construction method according to claim 1, wherein the positioning columns (4) are grouting sleeves (8) with connecting ribs (7), and the grouting sleeves (8) are vertically arranged and installed at two ends of the prefabricated shear wall (2).

5. The BIM technology-based wall green construction method according to claim 1, wherein the step of installing the precast floor slab (1) and the precast shear wall (2) on the foundation of the construction site comprises: based on a three-dimensional BIM model, the prefabricated shear wall (2) is installed on the basis of a construction site, then the prefabricated floor slab (1) is assembled on the prefabricated shear wall (2) through the rabbet (3) and the positioning column (4), then the bottom floor slab and the bottom wall body are connected together through the prefabricated assembly component (6), finally cast-in-place concrete (5) is poured into the positioning hole (9) of the prefabricated floor slab (1), and the prefabricated floor slab (1) and the prefabricated shear wall (2) are connected together through the cast-in-place concrete (5).

6. The BIM technology-based wall body green construction method according to claim 3, wherein the foundation on the construction site is a cast-in-place strip-shaped cup foundation, and the step of installing the prefabricated shear wall (2) on the strip-shaped cup foundation is as follows: firstly, cement mortar is arranged at the bottom of a strip-shaped cup mouth foundation; then, placing the prefabricated wall body in the strip-shaped cup opening foundation by using a crane, and arranging a temporary support to ensure the stability of the prefabricated wall body; and then pouring the cast-in-place concrete (5) according to the construction operation information and the construction operation notice information in the three-dimensional BIM model, and finally, after the cast-in-place concrete (5) reaches the specified strength, removing the temporary support and continuing the subsequent assembly construction.

7. The BIM technology-based wall body green construction method according to claim 5, wherein the step of assembling the prefabricated floor slab (1) on the prefabricated shear wall (2) through the tongue-and-groove (3) and the positioning column (4) is as follows: the method comprises the steps of firstly placing a prefabricated floor slab (1) right above a prefabricated shear wall (2) through a crane, enabling the position of a rabbet (3) on the prefabricated floor slab (1) to correspond to the position of the end part of the prefabricated shear wall (2), then placing the prefabricated floor slab (1) along the vertical direction according to the position of a positioning column (4), and finally after the prefabricated floor slab (1) is placed on the prefabricated shear wall (2), adjusting the position of the prefabricated floor slab (1) through the crane until the assembling position between the prefabricated floor slab (1) and the prefabricated shear wall (2) is consistent with the installing position in a three-dimensional BIM model.

8. The BIM technology-based wall body green construction method according to claim 1, wherein a plurality of grooves and tongues (3) are arranged on four side edges of the prefabricated floor slab (1), and the positioning columns (4) are positioned in the grooves and tongues (3).

Technical Field

The invention relates to the technical field of building walls, in particular to a BIM technology-based wall green construction method.

Background

Building Information Modeling (BIM) is a new tool in architecture, engineering and civil engineering, defined as a building or construction information model that is composed of complete and sufficient information to support lifecycle management, and can be directly interpreted by computer applications.

Now, a Chinese patent with a publication number of CN107368618A is retrieved, and discloses a construction method of a hyperbolic curtain wall based on a BIM technology, which comprises the following steps: establishing a three-dimensional beam column model of the hyperbolic curtain wall by using Autodesk Revit software of BIM; establishing a corresponding relation between embedded parts and keels of the hyperbolic curtain wall in the three-dimensional beam-column model, and carrying out relation positioning on the keels and the embedded parts at different positions; dividing unit modules of the skin of the hyperbolic curtain wall, and establishing a skin model for each unit module by using Autodesk Revit software; and (4) exporting the skin model, the three-dimensional beam column model, the embedded part and the keel into Navisthrocks software for installation simulation.

In view of the above-mentioned related art, the inventor believes that the hyperbolic curtain wall is not constructed by using an assembly structure in the construction process, so that the hyperbolic curtain wall is long in time consumption and large in energy consumption during construction, and therefore improvement is needed.

Disclosure of Invention

Aiming at the defects in the related technology, the invention aims to provide a BIM technology-based wall body green construction method which has the advantages of low energy consumption, short construction period, energy conservation and environmental protection.

The above object of the present invention is achieved by the following technical solutions:

a wall body green construction method based on a BIM technology comprises the following steps:

s1, establishing a three-dimensional BIM model of the wall to be built according to the two-dimensional drawing of the wall to be built and the topographic relief of the construction site;

s2, preparing a plurality of prefabricated floor slabs and a plurality of prefabricated shear walls according to the three-dimensional BIM model, wherein the prefabricated shear walls are provided with a plurality of positioning columns and grooves and tongues for conveniently assembling the prefabricated floor slabs and the prefabricated shear walls; a plurality of positioning holes corresponding to the positioning columns are arranged on the prefabricated floor slab;

s3, mounting the precast floor slabs and the precast shear walls on the basis of the construction site according to the mounting positions of the precast floor slabs and the precast shear walls in the three-dimensional BIM model;

and S4, after the wall body to be repaired is assembled, performing three-dimensional modeling on the assembled wall body by using the point cloud data obtained by scanning to obtain a three-dimensional solid model of the assembled wall body, comparing the three-dimensional solid model with the three-dimensional BIM model, and checking whether the solid three-dimensional model meets the design requirements.

By adopting the technical scheme, people can conveniently know the positions where the prefabricated shear walls and the prefabricated floor slabs are to be installed by establishing the three-dimensional BIM model, so that the construction is more convenient and quicker for workers; meanwhile, because the wall body is manufactured by adopting the assembly type structure, the wall body can be prefabricated in a PC factory and installed on a construction site, industrial production is realized, the production efficiency and the material utilization rate can be greatly improved, the energy consumption and the resource utilization are reduced from the source, the assembly type building worker investment is less, the labor cost is low, and the influence of human beings on the construction quality is reduced; the construction site is more standard and tidy, and the influence of noise pollution, dust emission and the like is greatly improved.

Optionally, the three-dimensional BIM model is created by the following method: drawing according to an existing two-dimensional CAD drawing of a wall to be built, drawing a three-dimensional simulation model of the wall to be built through the MaxiCAD software based on Revit, and loading a dynamic assembly process of the wall to be built in the three-dimensional simulation model, wherein at the moment, the creation of the three-dimensional BIM model can also be completed;

through adopting above-mentioned technical scheme to build the dynamic process of arc wall body through the simulation so that the staff builds the arc wall body in-process discovery problem in order to revise at dynamic simulation, like this, this application can be more convenient when the construction, and construction cycle is shorter.

Optionally, the three-dimensional BIM model is further loaded with construction operation information and construction operation notice information during the assembly process.

By adopting the technical scheme, the construction operation information and the construction operation attention information of the dynamic process standard of building the arc-shaped wall body are simulated, so that the construction operation effect of guiding the working personnel is achieved, the unreasonable operation of the working personnel in the construction operation process is reduced, and the construction quality of the application is improved.

Optionally, the positioning column is a grouting sleeve with a connecting rib, and the grouting sleeve is vertically arranged and installed at two ends of the prefabricated shear wall.

Through adopting above-mentioned technical scheme, this application can transmit the stress of connecting muscle (reinforcing bar) better, and the assembly that prefabricated floor and precast shear wall can be more firm of being convenient for is in the same place.

During actual work, the sleeve grouting connection is characterized in that reinforcing steel bars are inserted into the butt joint sleeve, then high-strength grouting materials composed of cement, an expanding agent, fine aggregate, a high-performance additive and the like are injected from a grouting opening, and after the high-strength grouting materials reach the preset strength, the reinforcing steel bars and the sleeve are firmly connected together, so that two adjacent components are connected into a whole.

Optionally, the step of installing the precast floor slab and the precast shear wall on the foundation of the construction site includes: based on a three-dimensional BIM model, the prefabricated shear wall is firstly installed on the foundation of a construction site, then the prefabricated floor slab is assembled on the prefabricated shear wall through the tongue-and-groove and the positioning column, then the bottom floor slab and the bottom wall body are connected together through the prefabricated assembly component, finally cast-in-place concrete is poured into the positioning hole of the prefabricated floor slab, and the prefabricated floor slab and the prefabricated shear wall are connected together through the cast-in-place concrete.

Through adopting above-mentioned technical scheme, install prefabricated shear force wall on basis also known as bottom prefabricated shear force wall, under the help of tongue-and-groove, this application can be very convenient fix a position prefabricated floor and prefabricated shear force wall, can make things convenient for people to assemble prefabricated floor and prefabricated shear force wall, simultaneously, under the help of prefabricated component, this application can be better link together prefabricated floor and prefabricated shear force wall.

In actual work, the prefabricated assembly component is in the prior art, can be a section formed by welding steel plates, and can also be section steel such as angle steel and section steel, and when people assemble the prefabricated floor slab and the prefabricated shear wall, the section steel or the section steel only needs to be installed at the connection position of the prefabricated floor slab and the prefabricated shear wall, and the prefabricated floor slab and the prefabricated shear wall are firmly connected together through standard components such as bolts and rivets.

Optionally, the foundation on the construction site is a cast-in-place strip-shaped cup foundation, and the step of installing the prefabricated shear wall on the strip-shaped cup foundation is as follows: firstly, cement mortar is arranged at the bottom of a strip-shaped cup mouth foundation; then, placing the prefabricated wall body in the strip-shaped cup opening foundation by using a crane, and arranging a temporary support to ensure the stability of the prefabricated wall body; and then, pouring concrete according to the construction operation information and the construction operation notice information in the three-dimensional BIM model, and finally, after the concrete reaches the specified strength, removing the temporary support and continuing the subsequent assembly construction.

Through adopting above-mentioned technical scheme, cast-in-place bar cup mouth basis can ensure that the structural strength of this application satisfies the construction requirement of this application, can be in the same place prefabricated wallboard and the firm connection of prefabricated floor, like this, under the help of three-dimensional BIM model, this application can be installed prefabricated shear force wall on the basis of construction place.

During actual work, the prefabricated shear wall installed at the moment is a bottom layer shear wall.

Optionally, the step of assembling the precast floor slab on the precast shear wall through the tongue-and-groove and the positioning column is as follows: firstly, placing a prefabricated floor slab right above the prefabricated shear wall through a crane, enabling the position of a groove on the prefabricated floor slab to correspond to the position of the end part of the prefabricated shear wall, then placing the prefabricated floor slab along the vertical direction according to the position of the positioning column, and finally adjusting the position of the prefabricated floor slab through the crane after the prefabricated floor slab is placed on the prefabricated shear wall until the assembling position between the prefabricated floor slab and the prefabricated shear wall is consistent with the installing position in the three-dimensional BIM model.

Through adopting above-mentioned technical scheme, the reference column can play certain guide effect, lets the staff know and should hoist prefabricated shear wall and prefabricated floor to where, and like this, this application construction can be more convenient.

The tongue-and-groove and the prefabricated floor slab are integrally formed, and the positioning column and the prefabricated shear wall are integrally formed

Optionally, four side edges of the prefabricated floor slab are provided with grooves and tongues, and the positioning columns are located in the grooves and tongues.

Through adopting above-mentioned technical scheme, after installing the reference column in the rabbet, this application not only structurally can be compacter, can make things convenient for people to assemble prefabricated floor and precast shear wall more moreover.

In summary, the invention includes at least one of the following beneficial technical effects:

1. according to the method, the three-dimensional BIM model is established, so that people can conveniently know the positions where the prefabricated shear walls and the prefabricated floor slabs are to be installed, and therefore, workers can construct the method more conveniently and quickly;

2. the prefabricated building can be prefabricated in a PC factory and installed on a construction site, industrial production is realized, production efficiency and material utilization rate can be greatly improved, energy consumption and resource utilization are reduced from the source, and therefore investment of assembly type building workers is low, labor cost is low, and influence of human on construction quality is reduced; the construction site is more standard and tidy, and the influence of noise pollution, dust emission and the like is greatly improved;

3. under the help of the tongue-and-groove, the prefabricated floor slab and the prefabricated shear wall can be conveniently positioned, people can conveniently assemble the prefabricated floor slab and the prefabricated shear wall, and meanwhile, the prefabricated floor slab and the prefabricated shear wall can be better connected together under the help of the prefabricated assembly component.

Drawings

FIG. 1 is a flow diagram of a wall green construction method based on BIM technology;

FIG. 2 is a schematic view of an assembled structure of a precast floor slab and a precast shear wall;

fig. 3 is a schematic structural view of a prefabricated shear wall.

Reference numerals: 1. prefabricating a floor slab; 2. prefabricating a shear wall; 3. a tongue-and-groove; 4. a positioning column; 5. concrete; 6. prefabricating an assembly member; 7. a connecting rib; 8. grouting a sleeve; 9. and (7) positioning the holes.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, the present application provides a wall body green construction method based on the BIM technology, which includes the following steps:

s1, establishing a three-dimensional BIM model of the wall to be built according to the two-dimensional drawing of the wall to be built and the topographic relief of the construction site, and determining the installation positions of the prefabricated shear wall 2 and the prefabricated floor slab 1 of the wall to be built;

in actual work, the three-dimensional BIM model is created by the following method: drawing according to the existing two-dimensional CAD drawing of the wall to be built, drawing a three-dimensional simulation model of the wall to be built through the MaxiCAD software based on Revit, and then loading the dynamic assembly process of the wall to be built in the three-dimensional simulation model, wherein at the moment, the creation of the three-dimensional BIM model can also be completed. This application and build the dynamic process of arc wall body through the simulation so that the staff builds the arc wall body in-process discovery problem in order to revise at dynamic simulation, like this, this application can be more convenient when the construction, and construction cycle is shorter.

During actual work, construction operation information and construction operation attention information in the assembling process are also loaded on the three-dimensional BIM model. Like this, this application can play and instruct staff's construction operation effect, reduces the unreasonable operation of staff in construction operation process to improve the construction quality of this application.

S2, preparing a plurality of prefabricated floor slabs 1 and a plurality of prefabricated shear walls 2 according to the three-dimensional BIM model, installing a plurality of positioning columns 4 and grooves 3 for conveniently assembling the prefabricated floor slabs 1 and the prefabricated shear walls 2 on the prefabricated shear walls 2, and positioning the prefabricated floor slabs 1 and the prefabricated shear walls 2 through the grooves 3 so as to be convenient for people to assemble the prefabricated floor slabs 1 and the prefabricated shear walls 2; a plurality of positioning holes 9 corresponding to the positioning columns 4 are arranged on the prefabricated floor slab 1;

during actual work, the positioning columns 4 are grouting sleeves 8 with connecting ribs 7, and the grouting sleeves 8 are vertically arranged and installed at two ends of the prefabricated shear wall 2. The grouting sleeve 8 is characterized in that a steel bar is inserted into a butt joint sleeve, then a high-strength grouting material composed of cement, an expanding agent, fine aggregate, a high-performance additive and the like is injected from a grouting opening, and after the high-strength grouting material reaches a preset strength, the steel bar and the sleeve are firmly connected together, so that two adjacent components are connected into a whole.

S3, installing the precast floor slabs 1 and the precast shear walls 2 on the basis of a construction site according to the installation positions of the precast floor slabs 1 and the precast shear walls 2 in the three-dimensional BIM model;

preferably, the step of installing the precast floor slab 1 and the precast shear wall 2 on the foundation of the construction site includes: based on a three-dimensional BIM model, the prefabricated shear wall 2 is firstly installed on the foundation of a construction site, then the prefabricated floor slab 1 is assembled on the prefabricated shear wall 2 through the rabbet 3 and the positioning column 4, then the bottom floor slab and the bottom wall body are connected together through the prefabricated assembly component 6, finally, the concrete cast-in-place concrete 5 is poured into the positioning hole 9 of the prefabricated floor slab 1, and the prefabricated floor slab 1 and the prefabricated shear wall 2 are connected together through the concrete cast-in-place concrete 5.

During actual work, the prefabricated shear wall 2 installed on the foundation is also called as a bottom prefabricated shear wall 2, when the prefabricated floor slab 1 and the prefabricated shear wall 2 are installed, wall construction can be carried out according to an original two-dimensional drawing, and meanwhile, if unreasonable design parts exist in an original three-dimensional BIM model in the construction process, appropriate modification can be carried out on the three-dimensional BIM model.

In actual work, the prefabricated component 6 of this application is prior art, and it can be the section bar that is formed by steel panel welding, also can be shaped steel such as angle steel and shaped steel, and people are assembling prefabricated floor 1 and prefabricated shear wall 2, only need install above-mentioned shaped steel or section bar at the junction of above-mentioned prefabricated floor 1 of assembly and prefabricated shear wall 2 to through standard component such as bolt, rivet with prefabricated floor 1 and the firm connection together of prefabricated shear wall 2 (when needing, need pour concrete 5), consequently, the construction of this application is very convenient.

During actual work, the basis on the construction site is cast-in-place bar rim of a cup basis to ensure that the structural strength of this application satisfies the construction requirement of this application, the step of installing precast shear wall 2 on bar rim of a cup basis is: firstly, cement mortar is arranged at the bottom of a strip-shaped cup mouth foundation; then, placing the prefabricated wall body in the strip-shaped cup opening foundation by using a crane, and arranging a temporary support to ensure the stability of the prefabricated wall body; and then, pouring concrete 5 according to the construction operation information and the construction operation notice information in the three-dimensional BIM model, and finally, after the concrete 5 reaches the specified strength, removing the temporary support and continuing the subsequent assembly construction. Like this, under three-dimensional BIM model's help, this application can be installed precast shear wall 2 on the basis of construction site.

During actual work, the prefabricated shear wall 2 installed on a foundation is also called as a bottom prefabricated shear wall 2, and the prefabricated floor slab 1 is assembled on the prefabricated shear wall 2 through the tongue-and-groove 3 and the positioning column 4 in the following steps: firstly, the prefabricated floor slab 1 is placed right above the prefabricated shear wall 2 through a crane, the position of a rabbet 3 on the prefabricated floor slab 1 corresponds to the position of the end part of the prefabricated shear wall 2, at the moment, the positioning column 4 can play a certain guiding role, so that an operator can know where the prefabricated shear wall 2 and the prefabricated floor slab 1 should be hoisted, then the prefabricated floor slab 1 is placed along the vertical direction according to the position of the positioning column 4, and finally, after the prefabricated floor slab 1 is placed on the prefabricated shear wall 2, the position of the prefabricated floor slab 1 is adjusted through the crane until the assembly position between the prefabricated floor slab 1 and the prefabricated shear wall 2 is consistent with the installation position in the three-dimensional BIM model. In actual work, the tongue-and-groove 3 and the prefabricated floor slab 1 are integrally formed, the positioning column 4 and the prefabricated shear wall 2 can be integrally formed, and a grouting sleeve 8 can be installed on the prefabricated shear wall 2 after the prefabricated shear wall 2 is prefabricated.

And S4, after the wall body to be repaired is assembled, performing three-dimensional modeling on the assembled wall body by using the point cloud data obtained by scanning to obtain a three-dimensional solid model of the assembled wall body, comparing the three-dimensional solid model with the three-dimensional BIM model, and checking whether the solid three-dimensional model meets the design requirements.

During actual work, this application scans the wall body that finishes assembling through three-dimensional laser scanner, and three-dimensional laser scanner generates the detailed geometric figure that comprises millions of colored points through three-dimensional coordinate, colour and the reflectivity of the intensive point in record object surface for current environment is carried out digital reappearance, and the data that obtains through the scanning of above-mentioned three-dimensional laser scanner are called cloud data, and the shaping principle of above-mentioned cloud data is prior art, does not do here and give unnecessary redundancy.

In actual work, the three-dimensional BIM model is built so that people can conveniently know the positions where the prefabricated shear walls 2 and the prefabricated floor slabs 1 are to be installed, meanwhile, because the wall body is manufactured by adopting an assembly type structure, the prefabricated shear wall can be prefabricated in a PC factory and installed on a construction site, industrial production is realized, meanwhile, the production efficiency and the material utilization rate can be greatly improved, energy consumption and resource utilization are reduced from the source, and therefore, the assembly type building worker investment is low, the labor cost is low, and the influence of human factors on the construction quality is reduced; the construction site is more standard and tidy, and the influence of noise pollution, dust emission and the like is greatly improved.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.