CN112580135A - Steel column sectional hoisting method based on BIM application - Google Patents
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Abstract
The application relates to a steel column sectional hoisting method based on BIM application, which comprises the following steps: s1, modeling a steel column: guiding a steel column to be hoisted into BIM software for three-dimensional modeling to generate a steel column model; s2, modeling of hoisting equipment: guiding each hoisting device in a construction site into BIM software for three-dimensional modeling, generating a hoisting device model, and acquiring hoisting weight information of each hoisting device; s3, generating a construction scheme: segmenting the steel column according to the hoisting weight information to generate a segmented model, performing three-dimensional simulation according to the segmented model and the hoisting equipment model, simulating the construction process, and generating a construction scheme; s4, cutting and sectioning: cutting and sectioning the steel column according to a construction scheme; s5, hoisting and welding: and hoisting and welding the segmented steel columns in sequence according to the construction scheme. This application can carry out reasonable merogenesis to the steel column, effectively reduces welding seam quantity, reaches the effect that reduces construction cost and environmental protection.
Description
Technical Field
The application relates to the field of building construction, in particular to a steel column sectional hoisting method based on BIM application.
Background
Steel structure engineering is a structure mainly made of steel, mainly composed of steel beams, steel columns, steel trusses and other members made of section steel, steel plates and the like, and all members or components are usually connected by welding seams, bolts or rivets, which is one of the main building structure types. Because of its light dead weight, and construction is simple and convenient, widely apply to fields such as large-scale factory building, bridge, venue, superelevation layer.
In the civil engineering field, steel column hoisting is the key point of the construction of large-scale members of the whole engineering, and has great influence on the progress and the cost. But the weight of steel column is often heavier, and the whole hoist and mount degree of difficulty is great. During the construction of the traditional steel structure engineering, steel columns are often hoisted in sections, the sections are positions 1-1.3 meters above each floor or two floors, and the method is used for manufacturing and installing the sections, so that a plurality of field welding interfaces are generated, and the use cost of large-scale hoisting equipment is increased. Along with the stricter national requirements on green energy conservation and environmental protection of construction sites, the trend of engineering development is to improve the assembly rate of steel structures and reduce the field welding.
Aiming at the related technologies, the inventor thinks that the steel column cannot be reasonably segmented when being hoisted in a segmented manner, so that the steel column is easily segmented, welding interfaces are more, and the construction equipment cost is higher.
Disclosure of Invention
In order to improve that steel column subsection hoisting often can not reasonably be conducted, the number of subsections is easily caused, welding interfaces are more, and construction equipment cost is higher, the steel column subsection hoisting method based on BIM application is provided.
The application provides a steel column segmental hoisting method based on BIM application, which adopts the following technical scheme:
a steel column sectional hoisting method based on BIM application comprises the following steps:
s1, modeling a steel column: guiding a steel column to be hoisted into BIM software for three-dimensional modeling to generate a steel column model;
s2, modeling of hoisting equipment: guiding each hoisting device in a construction site into BIM software for three-dimensional modeling, generating a hoisting device model, and acquiring hoisting weight information of each hoisting device;
s3, generating a construction scheme: segmenting the steel column according to the hoisting weight information to generate a segmented model, performing three-dimensional simulation according to the segmented model and the hoisting equipment model, simulating the construction process, and generating a construction scheme;
s4, cutting and sectioning: cutting and sectioning the steel column according to a construction scheme;
s5, hoisting and welding: and hoisting and welding the segmented steel columns in sequence according to the construction scheme.
Through adopting above-mentioned technical scheme, carry out three-dimensional modeling to steel column and lifting device through BIM software, according to lifting device's hoist and mount upper limit of weight, the virtual steel column segmentation scheme that generates to simulate the construction, generate the construction scheme, not only play the guide effect to actual construction, the problem that appears in the construction is prejudged, find the problem in advance, the solution problem, reduce the production of construction problem, can rationally segment the steel column moreover, effectively reduce welding seam quantity, reach the effect that reduces construction cost and environmental protection.
Preferably, collision and error check are performed on the segment model and the hoisting equipment model before the simulation of the construction process in step S3, and the segment model and the hoisting equipment model are adjusted and optimized according to the check result.
By adopting the technical scheme, the problems in construction can be prejudged, the problems can be found in advance, the problems can be solved, the construction management can be effectively strengthened, the waste is reduced, the construction period is shortened, and the construction quality is greatly improved.
Preferably, the construction process is simulated in the step S3 to generate a three-dimensional construction process video, and the construction scheme specifically includes a segment model, a hoisting device model, a construction drawing, and a three-dimensional construction process video.
By adopting the technical scheme, the constructors can know the whole construction process more intuitively, and the construction quality is effectively improved.
Preferably, three-dimensional visual intersection is carried out on constructors according to the construction scheme, and the construction sequence and the process progress are compared and controlled according to the construction scheme.
By adopting the technical scheme, the construction personnel can know the whole construction process more visually, and the construction quality is effectively improved.
Preferably, the step S5 specifically includes:
a1, setting a lifting point, namely setting a main lifting point and an auxiliary lifting point according to the length of the lifting point and a construction scheme;
a2, connecting lifting points, namely, lifting the steel column by using a main crane and an auxiliary crane, wherein the main crane is connected with the main lifting point of the steel column, the auxiliary crane is connected with the auxiliary lifting point of the steel column, and the main crane and the auxiliary crane are both vertical to two ends parallel to the length direction of the steel column;
a3, hoisting the steel column, namely simultaneously hoisting the steel column by a main crane and an auxiliary crane, and stopping hoisting by the auxiliary crane after the steel column is hoisted to a preset height;
a4, adjusting a main crane, namely, continuously lifting the main crane to enable a main lifting point to be lifted, and enabling the steel column to be in an inclined state;
a5, the steel column is vertical, namely, the auxiliary crane is disconnected with the auxiliary hoisting point after the main crane continues to hoist until the steel column is vertical;
and A6, welding and fixing, namely, after the steel column is hung to a specified place by a main crane and is fixed by a welding connector, welding and fixing the steel column.
Through adopting above-mentioned technical scheme, through the setting of main crane and auxiliary crane, can carry out quick safe hoist and mount to the steel column, effectual improvement steel reinforcement cage hoist and mount efficiency, and then reach the effect that improves the efficiency of construction.
Preferably, the welding connecting piece comprises a sleeve, a window for welding is formed in the middle of the sleeve along the circumferential direction of the sleeve, and the sleeve is formed by buckling two semicircular shells with the same structure.
Through adopting above-mentioned technical scheme, through welded connection's setting, be convenient for align the steel column of merogenesis fast to it is fixed to carry out spot welding through the steel column after welding the window to align, reaches the effect of quick accurate fixed merogenesis steel column, effectively reduces the probability that the steel column that piles up biases, effectively improves the welding precision of steel column.
Preferably, the inner bore diameter of the sleeve decreases from the top of the sleeve to the top of the welding window.
Through adopting above-mentioned technical scheme, telescopic inner bore reduces from sleeve top to welding window top in proper order, and the steel column of being convenient for inserts the sleeve inside, effectively promotes piling up welding efficiency of steel column.
Preferably, the bottoms of the two shells are connected with a bottom hoop together.
Through adopting above-mentioned technical scheme, be convenient for fix welded connection spare on following bottom male steel column through setting up of bottom staple bolt to make and be located welding window department from the top of bottom male steel column, will fix from top male steel column, make the butt department accuracy of two steel columns align and be located welding window department, be convenient for carry out spot welding through welding window to the steel column after aligning and fix, reach the effect of quick accurate fixed segmentation steel column.
Preferably, elastic pads are laid on the inner side wall of the bottom hoop.
Through adopting above-mentioned technical scheme, through the setting of cushion, the top staple bolt of being convenient for and bottom staple bolt firmly fix the steel column, reach the effect of quick accurate fixed segmentation steel column.
Preferably, two ends of the two shells in the width direction are provided with bolt seats, and the bolt seats of the two shells are provided with locking bolts in a penetrating mode.
Through adopting above-mentioned technical scheme, through the setting of locking bolt, be convenient for fix two casing combinations.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the steel column and the hoisting equipment are subjected to three-dimensional modeling through BIM software, a steel column section scheme is generated virtually according to the upper limit of the hoisting weight of the hoisting equipment, and simulated construction is carried out to generate a construction scheme, so that the method not only plays a role of guiding actual construction, prejudges problems in construction and finds the problems in advance, solves the problems and reduces the generation of construction problems, but also can reasonably divide the steel column, effectively reduces the number of welding seams and achieves the effects of reducing the construction cost and protecting the environment;
2. due to the arrangement of the welding connecting pieces, the segmented steel columns are conveniently and quickly aligned, and the aligned steel columns are fixed through spot welding through the welding windows, so that the effect of quickly and accurately fixing the segmented steel columns is achieved, the bias probability of the stacked steel columns is effectively reduced, and the welding precision of the steel columns is effectively improved;
3. through the setting of main crane and vice crane, can carry out quick safe hoist and mount to the steel column, effectual improvement steel reinforcement cage hoist and mount efficiency, and then reach the effect that improves the efficiency of construction.
Drawings
FIG. 1 is a method block diagram of a segmental hoisting method in an embodiment of the present application;
FIG. 2 is a block diagram of a method of hoisting a welding method in an embodiment of the present application;
FIG. 3 is a schematic view of the overall structure of a welded joint according to an embodiment of the present application;
fig. 4 is a schematic cross-sectional view of a welded connection in an embodiment of the present application.
Description of reference numerals: 1. welding a connecting piece; 11. a housing; 12. welding the window; 13. a bottom hoop; 14. an elastic pad; 15. a bolt seat; 16. a locking bolt; 2. and (5) steel columns.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses a steel column sectional hoisting method based on BIM application. Referring to fig. 1, a steel column sectional hoisting method based on BIM application includes the following steps:
s1, modeling a steel column: guiding a steel column to be hoisted into BIM software for three-dimensional modeling to generate a steel column model;
s2, modeling of hoisting equipment: guiding each hoisting device in a construction site into BIM software for three-dimensional modeling, generating a hoisting device model, and acquiring hoisting weight information of each hoisting device; the hoisting equipment adopts a crane and a tower crane, and the hoisting weight information is the load hoisting weight information of the hoisting equipment;
s3, generating a construction scheme: segmenting the steel column according to the hoisting weight information to generate a segmented model, performing three-dimensional simulation according to the segmented model and the hoisting equipment model, simulating the construction process, and generating a construction scheme; uniformly dividing the steel column into a plurality of parts, combining the parts from the bottom, accumulating the weight until the upper limit of load hoisting of hoisting equipment is reached, and repeating the combining process to realize rapid and reasonable segmentation of the steel column;
s4, cutting and sectioning: cutting and sectioning the steel column according to a construction scheme;
s5, hoisting and welding: and hoisting and welding the segmented steel columns in sequence according to the construction scheme. Carry out three-dimensional modeling to steel column and lifting device through BIM software, according to lifting device's hoist and mount upper limit of weight, the virtual steel column merogenesis scheme that generates to the simulation construction generates the construction scheme, not only plays the guide effect to actual construction, prejudges the problem that appears in the construction, discovers the problem in advance, the problem is solved, reduces the production of construction problem, can carry out reasonable merogenesis to the steel column moreover, effectively reduce welding seam quantity, reach the effect that reduces construction cost and environmental protection.
In step S3, collision and error check is performed on the segment model and the hoisting device model before the simulation of the construction process, and the segment model and the hoisting device model are adjusted and optimized according to the check result. The problems in the construction are predicted, found in advance, solved, construction management can be effectively strengthened, waste is reduced, the construction period is shortened, and meanwhile, the construction quality is greatly improved. And generating a three-dimensional construction process video in the simulation construction process, wherein the construction scheme specifically comprises a segmentation model, a hoisting equipment model, a construction drawing and a three-dimensional construction process video. And carrying out three-dimensional visual bottom crossing on constructors according to the construction scheme and carrying out comparison control on the construction sequence and the flow progress according to the construction scheme. Through the construction scheme, constructors can know the whole construction process more intuitively, and the construction quality is effectively improved.
Referring to fig. 2, step S5 specifically includes:
a1, setting a lifting point, namely setting a main lifting point and an auxiliary lifting point according to the length of the lifting point and a construction scheme;
a2, connecting lifting points, namely, lifting the steel column by using a main crane and an auxiliary crane, wherein the main crane is connected with the main lifting point of the steel column, the auxiliary crane is connected with the auxiliary lifting point of the steel column, and the main crane and the auxiliary crane are both vertical to two ends parallel to the length direction of the steel column;
a3, hoisting the steel column, namely simultaneously hoisting the steel column by a main crane and an auxiliary crane, and stopping hoisting by the auxiliary crane after the steel column is hoisted to a preset height;
a4, adjusting a main crane, namely, continuously lifting the main crane to enable a main lifting point to be lifted, and enabling the steel column to be in an inclined state;
a5, the steel column is vertical, namely, the auxiliary crane is disconnected with the auxiliary hoisting point after the main crane continues to hoist until the steel column is vertical;
and A6, welding and fixing, namely, after the steel column is hung to a specified place by a main crane and is fixed by a welding connector 1, welding and fixing the steel column. Through the setting of main crane and vice crane, can carry out quick safe hoist and mount to the steel column, effectual improvement steel reinforcement cage hoist and mount efficiency, and then reach the effect that improves the efficiency of construction.
Referring to fig. 3 and 4, the welding connector 1 includes a sleeve, a window 12 for welding is provided in the middle of the sleeve along the circumferential direction, and the sleeve is formed by buckling two semicircular shells 11 with the same structure. Two ends of the two shells 11 in the width direction are respectively provided with a bolt seat 15, and the bolt seats 15 of the two shells 11 are commonly provided with a locking bolt 16 in a penetrating way. Through the setting of welded connection spare 1, be convenient for align the steel column 2 of merogenesis fast to it is fixed to carry out spot welding through welding window 12 to the steel column 2 after aligning, reaches the effect of quick accurate fixed merogenesis steel column 2, effectively reduces the probability that the steel column 2 that piles up biases, effectively improves the welding precision of steel column 2. Telescopic inner bore diameter reduces from sleeve top to welding window 12 tops in proper order, and inside steel column 2 inserted the sleeve of being convenient for, effectively promoted steel column 2's the welding efficiency that piles up.
Referring to fig. 3 and 4, the bottom hoops 13 are commonly connected to the bottoms of the two shells 11. Sleeving the two shells 11 on the tops of the fixed steel columns 2, and fixing the two shells through locking bolts 16; and then fixing the welding connector 1 on the steel column 2 through the bottom hoop 13, so that the top of the fixed steel column 2 is positioned at the welding window 12, hoisting the steel column 2 to the upper part of the welding connector 1 through hoisting equipment, and inserting the steel column into the welding connector 1, so that the butt parts of the two steel columns 2 are accurately aligned and positioned at the welding window 12, the steel column 2 after alignment is conveniently fixed through the welding window 12 in a spot welding manner, and the effect of quickly and accurately fixing the steel column 2 after segmentation is achieved. Elastic cushions 14 are paved on the inner side walls of the bottom hoop 13, and the bottom hoop 13 is convenient to firmly fix the steel column 2 through the arrangement of the elastic cushions 14, so that the effect of quickly and accurately fixing the sectional steel column 2 is achieved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A steel column sectional hoisting method based on BIM application is characterized by comprising the following steps:
s1, modeling a steel column: guiding a steel column to be hoisted into BIM software for three-dimensional modeling to generate a steel column model;
s2, modeling of hoisting equipment: guiding each hoisting device in a construction site into BIM software for three-dimensional modeling, generating a hoisting device model, and acquiring hoisting weight information of each hoisting device;
s3, generating a construction scheme: segmenting the steel column according to the hoisting weight information to generate a segmented model, performing three-dimensional simulation according to the segmented model and the hoisting equipment model, simulating the construction process, and generating a construction scheme;
s4, cutting and sectioning: cutting and sectioning the steel column according to a construction scheme;
s5, hoisting and welding: and hoisting and welding the segmented steel columns in sequence according to the construction scheme.
2. The steel column sectional hoisting method based on BIM application as claimed in claim 1, wherein: in the step S3, collision and error check is performed on the segment model and the hoisting equipment model before the simulation construction process, and the segment model and the hoisting equipment model are adjusted and optimized according to the check result.
3. The steel column sectional hoisting method based on BIM application as claimed in claim 1, wherein: and S3, simulating the construction process and generating a three-dimensional construction process video, wherein the construction scheme specifically comprises a segmentation model, a hoisting equipment model, a construction drawing and a three-dimensional construction process video.
4. The steel column sectional hoisting method based on BIM application as claimed in claim 3, wherein: and carrying out three-dimensional visual bottom crossing on constructors according to the construction scheme and carrying out comparison control on the construction sequence and the flow progress according to the construction scheme.
5. The steel column sectional hoisting method based on the BIM application as claimed in claim 1, wherein the step S5 specifically comprises:
a1, setting a lifting point, namely setting a main lifting point and an auxiliary lifting point according to the length of the lifting point and a construction scheme;
a2, connecting lifting points, namely, lifting the steel column by using a main crane and an auxiliary crane, wherein the main crane is connected with the main lifting point of the steel column, the auxiliary crane is connected with the auxiliary lifting point of the steel column, and the main crane and the auxiliary crane are both vertical to two ends parallel to the length direction of the steel column;
a3, hoisting the steel column, namely simultaneously hoisting the steel column by a main crane and an auxiliary crane, and stopping hoisting by the auxiliary crane after the steel column is hoisted to a preset height;
a4, adjusting a main crane, namely, continuously lifting the main crane to enable a main lifting point to be lifted, and enabling the steel column to be in an inclined state;
a5, the steel column is vertical, namely, the auxiliary crane is disconnected with the auxiliary hoisting point after the main crane continues to hoist until the steel column is vertical;
and A6, welding and fixing, namely, after the steel column is hung to a specified place by a main crane and is fixed by a welding connector (1), welding and fixing the steel column.
6. The steel column sectional hoisting method based on BIM application as claimed in claim 5, wherein: the welding connecting piece (1) comprises a sleeve, wherein a welding window (12) is formed in the middle of the sleeve along the circumferential direction of the sleeve, and the sleeve is formed by buckling two semicircular shells (11) with the same structure.
7. The steel column sectional hoisting method based on BIM application as claimed in claim 6, wherein: the inner bore diameter of the sleeve decreases from the top of the sleeve to the top of the welding window (12).
8. The steel column sectional hoisting method based on BIM application as claimed in claim 6, wherein: the bottoms of the two shells (11) are connected with a bottom hoop (13) together.
9. The steel column sectional hoisting method based on BIM application as claimed in claim 8, wherein: and elastic cushions (14) are paved on the inner side walls of the bottom hoops (13).
10. The steel column sectional hoisting method based on BIM application as claimed in claim 6, wherein: two both ends of casing (11) width direction all are equipped with bolt seat (15), two bolt seat (15) of casing (11) wear to be equipped with locking bolt (16) jointly.
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