CN115600277A - Method for binding reinforcing steel bars in bridge cable tower anchoring area based on software secondary development technology - Google Patents
Method for binding reinforcing steel bars in bridge cable tower anchoring area based on software secondary development technology Download PDFInfo
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- CN115600277A CN115600277A CN202211145316.0A CN202211145316A CN115600277A CN 115600277 A CN115600277 A CN 115600277A CN 202211145316 A CN202211145316 A CN 202211145316A CN 115600277 A CN115600277 A CN 115600277A
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Abstract
The invention discloses a method for binding reinforcing steel bars in a bridge cable tower anchoring area based on a software secondary development technology; the specific process is as follows; step 1, generating prestressed reinforcing steel bars and embedded parts in a three-dimensional mode; step 2, determining the positions of the prestressed tendons and the embedded parts; step 3, three-dimensionally generating a steel stiffened skeleton, further generating a construction steel bar on the stiffened skeleton, and changing to generate side trial and error; step 4, optimizing the spacing and the cross nodes of the construction steel bars; step 5, simulating a blanking channel of concrete coarse aggregates (fine aggregates have no problem), and ensuring that the steel bars do not block the descending of the coarse aggregates; step 6, optimizing the construction steel bars again according to the lowering condition of the concrete coarse aggregate, and adjusting the spacing; and 7, determining the assembling sequence and the interval of the steel bars, and constructing. The invention has the following advantages: 1. the quality of the prestressed reinforcing steel bars is ensured; 2. ensuring the correct position of the embedded part (the construction steel bar is designed according to the embedded part, so the embedded part is correct); 3. the pouring quality of the concrete is ensured (because the constructional steel bars are arranged on the basis of the concrete); 4. avoiding rework.
Description
Technical Field
The invention relates to the technical field of bridge construction, in particular to a method for binding reinforcing steel bars in a bridge cable tower anchoring area based on a software secondary development technology.
Background
The existing bridge cable tower is a novel bridge structure form which is formed in recent years, and compared with a common cable-stayed bridge, the bridge cable tower has the advantages of attractive appearance, advanced technology, low manufacturing cost, simplicity and convenience in construction and the like, so that the bridge cable tower is widely applied to various countries in the world. The BIM technology is applied to bridge cable towers more and more at present, and the invention application with the application number of CN201810358882.7 discloses a cable saddle measuring method of a steel-concrete combined structure cable tower based on BIM, which belongs to the technical field of bridge construction and comprises the following steps: building a cable tower space three-dimensional building information BIM model; pre-assembling the cable tower outer wall plate on a ground jig; a measuring robot is adopted to perform spatial scanning on the cable tower assembled on the jig frame; turning the cable tower space three-dimensional building information BIM model to the position of the scanned three-dimensional point cloud model, and matching the position with the three-dimensional point cloud model; positioning the cable saddle by adopting a measuring robot to loft the cable saddle anchoring backing plate angular point coordinates of the wire separating tube; hoisting and accurately positioning the cable tower; for a cable saddle of a cable tower with a steel-concrete combined structure, the positioning on the tower is greatly influenced by limited conditions such as space and the like, and the conventional process cannot accurately position. In addition, the invention application of application number CN202110236415.9 provides a bridge cable tower construction method based on BIM technology, which comprises the following steps: s1: carrying out three-dimensional modeling on the cable tower and a construction model thereof according to a construction drawing, and then three-dimensionally designing a stiff framework, a cable saddle and a cable tower template; s2: using a total station to release the position of each angular point of the cable tower and pop out ink lines; s3: processing the stiff framework according to the component position standard information of the BIM model, and then hoisting the stiff framework in place by using a tower crane; s4: processing a cable saddle and fixing the cable saddle by depending on a stiff framework; s5: the cable tower template is processed and installed on the outer side of the stiff skeleton; s6: and pouring concrete into the cable tower template, and beginning to dismantle the cable tower template after the concrete strength meets the template dismantling requirement.
However, for the assembly of reinforcing steel bars in a bridge cable tower anchoring area, the existing software has few and few family files of a bridge special-shaped structure, and is embodied in that the bridge special-shaped structure cannot be directly modeled after the cable tower anchoring area is not directly modeled and secondary development is required to be carried out, so that the bridge special-shaped structure cannot be directly modeled because the structure is special-shaped and cannot be directly modeled, and the positions of a steel anchor box and prestressed reinforcing steel bars are unchanged and the positions of the structural reinforcing steel bars are changed; improvements are therefore needed.
Disclosure of Invention
Therefore, in order to solve the above disadvantages, the present invention provides a bridge cable tower anchoring area construction method based on software secondary development technology; has the following advantages: 1. the quality of the prestressed reinforcing steel bars is ensured; 2. the correct position of the embedded part is ensured (the construction steel bar is designed according to the embedded part, so the embedded part is correct); 3. the pouring quality of the concrete is ensured (because the constructional steel bars are arranged on the basis of the concrete); 4. a method for guaranteeing construction quality of embedded parts, prestressed reinforcements and concrete based on a complex environment by combining secondary development of software is explored. Avoiding rework.
The invention is realized in this way, construct a bridge cable tower anchoring area reinforcing bar assembling method based on BIM technique, characterized by that; the specific process is as follows;
step 1, generating prestressed steel bars and embedded parts in a three-dimensional mode; step 2, determining the positions of the prestressed tendons and the embedded parts; step 3, generating a stiff skeleton in a three-dimensional mode, generating a structural steel bar, and changing to generate a trial and error; step 4, optimizing the spacing and the cross nodes of the construction steel bars; step 5, simulating a blanking channel of concrete coarse aggregates (fine aggregates have no problem) to ensure that the steel bars do not block the descending of the coarse aggregates; step 6, optimizing the construction steel bars again according to the lowering condition of the concrete coarse aggregate, and adjusting the spacing; and 7, determining the assembling sequence and the interval of the steel bars, and constructing.
The method for assembling the reinforcing steel bars in the bridge cable tower anchoring area based on the BIM technology is characterized by comprising the following steps of (1) assembling the reinforcing steel bars in the bridge cable tower anchoring area based on the BIM technology; for the step 1, firstly, a Revit conceptual volumetric method is adopted to establish a general cable tower model, and an adaptive family is established by 12 adaptive point location control steel anchor boxes and prestressed tendons;
secondly, in order to reduce human factor errors, axis data of the cable tower steel anchor box and the prestressed tendons are read based on Civil 3D secondary development, and the center line of the steel anchor box is automatically drawn through data operation;
the method comprises the steps of generating a steel reinforced skeleton in three dimensions according to axial data of a cable tower steel anchor box and a prestressed tendon, selecting a self-adaptive group of the constructional steel bar through a Dynamo visual program editor, adjusting parameters of the constructional steel bar, and generating the constructional steel bar on the reinforced skeleton to realize modeling.
The method for binding the reinforcing steel bars in the bridge cable tower anchoring area based on the software secondary development technology is characterized by comprising the following steps of (1) binding the reinforcing steel bars in the bridge cable tower anchoring area based on the software secondary development technology; the spacing of the structural steel bars is also adjusted according to the requirement of concrete pouring;
the method comprises the following steps of firstly, establishing a universal cable tower model by adopting a Revit conceptual quantitative method, and establishing an adaptive family by controlling a steel anchor box and a prestressed tendon through 12 adaptive point positions;
secondly, reading axial data of the cable tower steel anchor box and the prestressed tendons based on Civil 3D secondary development, and automatically drawing the central line of the steel anchor box through data operation;
and thirdly, three-dimensionally generating a steel stiffness skeleton according to the cable tower steel anchor box and the prestressed reinforcement axis data, selecting a self-adaptive group of the construction steel bars through a Dynamo visual program editor, adjusting parameters of the construction steel bars, and generating the construction steel bars on the stiffness skeleton to realize modeling.
The invention has the following advantages: the method for assembling the reinforcing steel bars in the bridge cable tower anchoring area based on the secondary development technology of the software is implemented; revit mainly aims at a large number of family files in the aspect of buildings at present, has few and few family files for bridge special-shaped structures, and needs to be created for the bridge special-shaped structures. And (4) performing secondary development by using a Revit API (application program interface), compiling data information such as a steel anchor box, prestressed steel bars, a stiff skeleton, a constructional steel bar and the like, and performing centralized integrated management on BIM (building information management) information. The invention has the following advantages: 1. the quality of the prestressed reinforcing steel bars is ensured; 2. ensuring the correct positions of the embedded part and the prestressed reinforcement (the structural reinforcement is designed according to the embedded part and the prestressed reinforcement, so that the correct positions of the embedded part and the prestressed reinforcement are ensured at first); 3. the pouring quality of the concrete is ensured (because the constructional steel bars are arranged on the basis of the concrete); 4. a method for guaranteeing construction quality of embedded parts, prestressed reinforcements and concrete based on complex environment by combining secondary development of software is explored.
Drawings
Fig. 1 is a schematic view of a mesh reinforcement;
FIG. 2 is a schematic view of an embedment (steel anchor box);
FIG. 3 is a schematic view of the collision of the embedment (steel anchor box) with the steel reinforcement;
fig. 4 is a schematic diagram of the collision of a stiff framework supporting the construction rebar with hoop prestress.
Detailed Description
The present invention will be described in detail below with reference to the attached drawings, and the technical solutions in the embodiments of the present invention will be clearly and completely described. 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 bridge cable tower anchoring area reinforcing steel bar assembling method based on BIM (software secondary development) technology through improvement, and the concrete process is as follows;
step 1, generating prestressed reinforcing steel bars and embedded parts in a three-dimensional mode; step 2, determining the positions of the prestressed tendons and the embedded parts; step 3, generating a structural steel bar in a three-dimensional mode, and performing trial and error while changing the generation; step 4, optimizing the spacing and the cross nodes of the construction steel bars; step 5, simulating a blanking channel of concrete coarse aggregates (fine aggregates have no problem) to ensure that the steel bars do not block the descending of the coarse aggregates; step 6, optimizing the construction steel bars again according to the lowering condition of the concrete coarse aggregate, and adjusting the spacing; and 7, determining the assembling sequence and the interval of the steel bars, and constructing.
The method for assembling the reinforcing steel bars in the bridge cable tower anchoring area based on the BIM technology is implemented; firstly, a Revit conceptual volumetric method is adopted to establish a universal cable tower model, and a self-adaptive family is established by controlling a steel anchor box and a prestressed tendon through 12 self-adaptive point positions;
secondly, in order to reduce human factor errors, axis data of the cable tower steel anchor box and the prestressed tendons are read based on Civil 3D secondary development, and the center line of the steel anchor box is automatically drawn through data operation;
and then, three-dimensionally generating a steel stiffness skeleton according to the cable tower steel anchor box and the prestressed reinforcement axis data, selecting a self-adaptive group of the constructional steel bars through a Dynamo visual program editor, adjusting the parameters of the constructional steel bars, and further generating the constructional steel bars on the stiffness skeleton to realize the modeling.
The method for binding the reinforcing steel bars in the bridge cable tower anchoring area based on the software secondary development technology is implemented; the spacing of the structural steel bars is also adjusted according to the requirement of concrete pouring;
the method comprises the following steps of firstly, establishing a universal cable tower model by adopting a Revit conceptual quantitative method, and establishing an adaptive family by controlling a steel anchor box and a prestressed tendon through 12 adaptive point positions;
secondly, reading axial data of the cable tower steel anchor box and the prestressed tendons based on Civil 3D secondary development, and automatically drawing the central line of the steel anchor box through data operation;
and thirdly, three-dimensionally generating a steel stiffness skeleton according to the cable tower steel anchor box and the prestressed reinforcement axis data, selecting a self-adaptive group of the construction steel bars through a Dynamo visual program editor, adjusting parameters of the construction steel bars, and generating the construction steel bars on the stiffness skeleton to realize modeling.
However, the difference is that the existing software has few and few family files for the bridge deformed structure, and cannot directly model the cable tower anchoring area, so that secondary development is required to model the bridge deformed structure. Therefore, the structure is abnormal and cannot be directly modeled, the positions of the steel anchor box and the prestressed reinforcing steel bars are not changed, and the positions of the constructional reinforcing steel bars are changed. In contrast, the method for binding the reinforcing steel bars in the bridge cable tower anchoring area based on the software secondary development technology is implemented; revit mainly aims at a large number of family files in the aspect of buildings at present, has few and few family files for bridge special-shaped structures, and needs to be created for the bridge special-shaped structures. And (4) performing secondary development by using a Revit API (application program interface), compiling data information such as a steel anchor box, prestressed steel bars and constructional steel bars, and performing centralized integration management on BIM (building information management) information.
The invention has the following advantages: 1. the quality of the prestressed reinforcing steel bars is ensured; 2. ensuring the correct position of the embedded part (the construction steel bar is designed according to the embedded part, so the embedded part is correct); 3. the pouring quality of the concrete is ensured (because the constructional steel bars are arranged based on the concrete); 4. avoiding rework.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (3)
1. A method for binding reinforcing steel bars in a bridge cable tower anchoring area based on a software secondary development technology is characterized in that the method comprises the following steps of (1) binding the reinforcing steel bars in the bridge cable tower anchoring area; the specific process is as follows;
step 1, generating prestressed steel bars and embedded parts in a three-dimensional mode;
step 2, determining the positions of the prestressed tendons and the embedded parts;
step 3, generating a steel stiffened skeleton in a three-dimensional manner, further generating construction steel bars on the stiffened skeleton, and changing the spacing of the construction steel bars through the size parameters of the on-site concrete coarse aggregate; trial and error while generating the structural steel bar;
step 4, optimizing the spacing and the cross nodes of the construction steel bars;
step 5, simulating a concrete coarse aggregate blanking channel to ensure that the steel bar does not block the downward placement of the coarse aggregate;
step 6, optimizing the construction steel bars again according to the lowering condition of the concrete coarse aggregate, and adjusting the spacing;
and 7, determining the assembling sequence and the interval of the steel bars, and constructing.
2. The bridge cable tower anchoring area steel bar binding method based on the software secondary development technology is characterized in that the steel bars are fixed on the bridge cable tower anchoring area; for the step 1, firstly, a Revit conceptual volumetric method is adopted to establish a general cable tower model, and an adaptive family is established by 12 adaptive point location control steel anchor boxes and prestressed tendons;
secondly, in order to reduce human factor errors, axis data of the cable tower steel anchor box and the prestressed tendons are read based on Civil 3D secondary development, and the center line of the steel anchor box is automatically drawn through data operation;
and (3) three-dimensionally generating a steel stiff skeleton according to the cable tower steel anchor box and the prestressed reinforcement axis data, selecting a self-adaptive group of the constructional steel bars through a Dynamo visual program editor, adjusting parameters of the constructional steel bars, and further generating the constructional steel bars on the stiff skeleton to realize modeling.
3. The bridge cable tower anchoring area steel bar binding method based on the software secondary development technology as claimed in claim 1, is characterized in that; in the step 4, the distance between the constructional steel bars is adjusted according to the requirement of concrete pouring;
the method comprises the following steps of firstly, establishing a universal cable tower model by adopting a Revit conceptual quantitative method, and establishing an adaptive family by controlling a steel anchor box and a prestressed tendon through 12 adaptive point positions;
secondly, reading axial data of the cable tower steel anchor box and the prestressed tendons based on Civil 3D secondary development, and automatically drawing the central line of the steel anchor box through data operation;
and thirdly, three-dimensionally generating a steel reinforced skeleton according to the cable tower steel anchor box and the prestressed tendon axis data, selecting a self-adaptive group of the constructional steel bars through a Dynamo visual program editor, adjusting the parameters of the constructional steel bars, and further generating the constructional steel bars on the reinforced skeleton to realize modeling.
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| CN202211145316.0A CN115600277A (en) | 2022-09-20 | 2022-09-20 | Method for binding reinforcing steel bars in bridge cable tower anchoring area based on software secondary development technology |
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| CN202211145316.0A CN115600277A (en) | 2022-09-20 | 2022-09-20 | Method for binding reinforcing steel bars in bridge cable tower anchoring area based on software secondary development technology |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115952589A (en) * | 2023-03-14 | 2023-04-11 | 中国建筑第二工程局有限公司 | Ring beam joint BIM auxiliary construction method capable of avoiding concrete pouring obstruction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115952589A (en) * | 2023-03-14 | 2023-04-11 | 中国建筑第二工程局有限公司 | Ring beam joint BIM auxiliary construction method capable of avoiding concrete pouring obstruction |
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