CN113239426B - Cast-in-place pile construction method based on BIM model pile foundation - Google Patents
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Abstract
A bored concrete pile construction method based on a BIM model pile foundation is characterized by comprising the following steps: a. the method comprises the steps of making a BIM implementation plan, b, collecting a ground survey and a pile foundation drawing, c, building a BIM model, d, accurately positioning pile coordinates, e, checking collision, f, deriving a cast-in-place pile length data table by utilizing a Revit software one key, g, providing a rotary drilling machine by analyzing the model length data, and h, building a cast-in-place pile detail table by utilizing the Revit software. The cast-in-place pile construction method based on the BIM model pile foundation has the advantages that whether the pile foundation is reasonable or not can be judged, the coordinates of the pile foundation and various information of the pile can be derived through software one key, and the pile foundation construction method is more beneficial to later-stage pile foundation construction of engineering.
Description
Technical Field
The invention relates to a pile foundation construction method, in particular to a bored concrete pile construction method based on a BIM model pile foundation.
Background
In the construction process of the pile foundation, the length of the pile body, the position of the pile body and the environmental conditions around the pile tip cannot be accurately calculated due to the complex underground condition, so that the unreasonable arrangement of a plurality of construction periods, the waste of material resources and the like are caused.
Chinese patent CN108193701A discloses a method for constructing a foundation of a stratigraphic pile based on a BIM model in 2018, 6 and 22, which comprises the following steps: (1) collecting the information of the intersection point of the geological exploration hole and the soil layer interface; (2) the intersection point of the geological exploration hole and the soil layer interface is lofted in the BIM building model to form a three-dimensional interface between soil layers; (3) covering the soil layer interface to form an integral model; (4) establishing a three-dimensional model of a stratum pile foundation according to a design drawing; (5) the method comprises the steps that a three-dimensional model of a stratum pile foundation is led into a three-dimensional model formed by a geological exploration hole and a soil layer interface intersection point; (6) the longitudinal section method is used for respectively checking axial section views of different stratum piles. Although this technical scheme can reach optimization bottom pile foundation through whether reasonable of pile foundation BIM model analysis pile foundation length, its coordinate and the various information of stake that can't derive the pile foundation lack guiding meaning to the construction of engineering later stage pile foundation.
Therefore, the known construction method of the ground pile foundation based on the BIM model has various inconveniences and problems.
Disclosure of Invention
The invention aims to provide a bored concrete pile construction method based on a BIM model pile foundation, which can derive the coordinates of a pile foundation and various information of a pile through one key of software.
In order to achieve the purpose, the technical solution of the invention is as follows:
a bored concrete pile construction method based on a BIM model pile foundation is characterized by comprising the following steps:
a. and (3) establishing a BIM implementation plan: formulating a preliminary target, determining a total implementation process, determining an application range, determining the fineness of a model, establishing a model establishing rule, analyzing problems and difficulties which may occur, and discussing a solution to the problems;
b. collecting the drawings of the land survey and the pile foundation, and utilizing CAD software to review the drawings, thereby ensuring the accuracy of the CAD drawings and completely meeting the requirements of design and owners;
c. building a BIM model, comprising a first step of determining the building of the elevation of the shaft network; step two, importing a stratum drawing provided by a geological survey, clicking the drawing and then clicking a software terrain tool to generate an accurate stratum plan; thirdly, importing a design institute to provide a pile foundation design drawing, generating a round column function generation pile and a pile cap model by utilizing BIM software, and finally attaching the pile to the terrain surface and the lower surface of the pile cap respectively by utilizing an attaching function;
d. and (3) accurately positioning the pile coordinate: carrying out a programming function by using Dynamo software, identifying the pile foundation body of the Revit model by using the Dynamo software, determining the circle center position of the pile, deriving a pile coordinate, and positioning the pile foundation by using ATK software, wherein the method comprises a first step of setting a project; secondly, setting parameters of a coordinate system; the third step is to connect the GPS with a reference station host, and the fourth step is to set a reference station; a fifth step of moving the reference station; the sixth step determines the position of the pile foundation according to the coordinate information derived by the model, so that the problems of trouble and inaccuracy in later-stage coordinate calculation can be effectively solved;
e. and (3) collision inspection: revit software is used for establishing a column detail table through Revit software according to design drawing description and design rules, a detail table function is derived to derive a pile foundation length data table, piles smaller than 6m are screened out, a part of piles are found to be even small, 0.5m and rock depth is larger than or equal to 5.5m, the rock stratum below the part of pile foundation is found to be shallow through analysis, and the part of cast-in-place piles are changed into a natural foundation through communication with design;
f. a length data table of the cast-in-place pile is derived by means of Revit software through one key, prefabrication processing and concrete transportation of the reinforcement cage are carried out in advance through the length of the cast-in-place pile in the table, and discharging is carried out accurately, so that the construction period is effectively saved;
g. providing more than 6000 cast-in-place piles, wherein the rock-entering depth of part of the cast-in-place piles reaches 3m, providing 40 rotary excavating machines by analyzing the length data of the model, increasing the number of the cast-in-place machines in areas with deeper rock-entering depth or longer pile length by distributing the length and the short position of the cast-in-place piles in the model in order to ensure the construction period and the construction quality, and determining the construction route of the machine according to the arrangement of normal construction machines in the positions with shallow rock-entering depth to effectively and reasonably plan the number and the arrangement of the site construction machines;
h. and after the Revit modeling is finished and the inspection is correct, the engineering quantity function is counted through software, a cast-in-place pile detail table is established through Revit software, a pile foundation length data table is derived through the detail table deriving function, and the table comprises a cast-in-place pile total length required by the engineering, a steel reinforcement cage total length and a concrete total amount data table.
The cast-in-place pile construction method based on the BIM model pile foundation can be further realized by adopting the following technical measures.
In the method, the design rule is that the length of the cast-in-place pile is more than or equal to 6m, and the rock penetration depth is more than or equal to 1 m.
The method as described above, wherein said cast-in-place pile length data table relates to length of cast-in-place pile, diameter of cast-in-place pile, concrete volume of cast-in-place pile, information of which layer of the ground layer the cast-in-place pile is located.
After the technical scheme is adopted, the bored concrete pile construction method based on the BIM model pile foundation has the advantages that whether the pile foundation is reasonable or not can be judged, the coordinates of the pile foundation and various information of the pile can be derived through one key of software, and the pile foundation construction method is more beneficial to later-stage pile foundation construction of engineering.
Drawings
Fig. 1 is a schematic diagram of a pile foundation calculation rule according to an embodiment of the present invention;
fig. 2 is a pile foundation information list according to an embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the following examples and the accompanying drawings.
Example 1
The invention relates to a cast-in-place pile construction method based on a BIM (building information modeling) model pile foundation, which comprises the following steps of:
a. and (3) establishing a BIM implementation plan: the method comprises the steps of establishing a preliminary target, determining a total implementation process, determining an application range, determining the fineness of a model, establishing a model establishing rule, analyzing possible problems and difficulties, and researching a solution for the problems. Fig. 1 is a schematic diagram of pile foundation calculation rules according to an embodiment of the present invention.
b. And collecting the drawings of the land survey and the pile foundation, and examining and processing the drawings by using CAD software, thereby ensuring the accuracy of the CAD drawings and completely meeting the requirements of design and owners.
c. Building a BIM model (firstly, determining the shaft network elevation building, secondly, importing a stratum drawing provided by a geological survey, clicking the drawing, clicking a software terrain tool to generate an accurate stratum plan, thirdly, importing a design institute to provide a pile foundation design drawing, generating a pile and pile cap model by using a circular column function generated by software, and finally, respectively attaching the pile to the terrain surface and the lower surface of the pile cap by using an attaching function.
d. And (3) accurate positioning: the method comprises the steps of utilizing Dynamo software to perform a programming function, (identifying a Revit model pile foundation body through Dynamo, determining a pile center position and deriving a pile coordinate), and then utilizing ATK software to perform pile foundation positioning (setting a project in the first step, setting coordinate system parameters in the second step, connecting a GPS with a reference station host, setting a reference station in the fourth step, moving the reference station in the fifth step, and determining the pile foundation position according to coordinate information derived from the model) so that the problem of later-stage coordinate calculation trouble and inaccuracy can be effectively solved. Fig. 2 is a pile foundation information list according to an embodiment of the present invention.
e. And (3) collision inspection: revit software is used for establishing a column detail table through Revit software according to design drawing description and design rules (the design rules are that the length of a cast-in-place pile is more than or equal to 6m, and the rock-entering depth is more than or equal to 1 m), a pile foundation length data table is derived through the detail table function derived through the Revit software by using a model established in the early stage, some piles smaller than 6m are screened, a part of piles are found to be even small, the length of the piles is 0.5m (the rock-entering depth is more than or equal to 5.5 m), the rock stratum below the part of pile foundation is found to be shallower through analysis, and the part of cast-in-place piles is changed into a natural foundation through communication with the design.
f. A length data table of the cast-in-place pile (the length of the cast-in-place pile, the diameter of the cast-in-place pile, the concrete volume of the mixed cast-in-place pile, the layer located on the stratum and the like) is derived by one key of Revit software, prefabrication processing and concrete transportation of the reinforcement cage are carried out in advance according to the length of the cast-in-place pile in the table, blanking is accurate, and the construction period is effectively saved.
g. In the embodiment, the number of the cast-in-place rotary excavating machines is up to 40, in order to guarantee the construction period and the construction quality, the number of the cast-in-place rotary excavating machines is increased for some regions with deeper rock-entering depth or longer pile length by distributing the length and the short position of the cast-in-place piles in the model, and the construction route of the machine is determined for some positions with shallow rock-entering depth according to the arrangement of normal construction machines. Effectively and reasonably planning the quantity and the arrangement of the site construction machines.
h. After the Revit modeling is completed and the inspection is correct, the engineering quantity function can be counted through Revit software, a column detail table is established through the Revit software, a pile foundation length data table is derived through the detail table deriving function, and the data table comprises data tables of the total length of a cast-in-place pile, the total length of a reinforcement cage, the total amount of concrete and the like required by the engineering.
Compared with the known stratum pile foundation construction method based on the BIM model, the bored concrete pile construction method based on the BIM model pile foundation of the invention has the advantages that whether the pile foundation is reasonable can be judged, the coordinates of the pile foundation and various information of the pile can be derived by one key of software, and the construction of the pile foundation in the later stage of engineering is more facilitated.
The above embodiments are provided only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes or modifications without departing from the spirit and scope of the present invention. Therefore, all equivalent technical solutions should also fall within the scope of the present invention, and should be defined by the claims.
Claims (3)
1. A bored concrete pile construction method based on a BIM model pile foundation is characterized by comprising the following steps:
a. and (3) establishing a BIM implementation plan: formulating a preliminary target, determining a total implementation process, determining an application range, determining the fineness of a model, establishing a model establishing rule, analyzing problems and difficulties which may occur, and discussing a solution to the problems;
b. collecting ground survey and pile foundation drawings, and utilizing CAD software to carry out examination processing on the drawings, so that the accuracy of the CAD drawings is ensured, and the requirements of design and owners are completely met;
c. building a BIM model, comprising a first step of determining the building of the elevation of the shaft network; step two, importing a stratum drawing provided by a geological survey, clicking the drawing and then clicking a software terrain tool to generate an accurate stratum plan; thirdly, importing a design institute to provide a pile foundation design drawing, generating a round column function generation pile and a pile cap model by utilizing BIM software, and finally attaching the pile to the terrain surface and the lower surface of the pile cap respectively by utilizing an attaching function;
d. and (3) accurately positioning the pile coordinate: carrying out a programming function by using Dynamo software, identifying the pile foundation body of the Revit model by using the Dynamo software, determining the circle center position of the pile, deriving a pile coordinate, and positioning the pile foundation by using ATK software, wherein the method comprises a first step of setting a project; secondly, setting parameters of a coordinate system; the third step is to connect the GPS with a reference station host, and the fourth step is to set a reference station; a fifth step of moving the reference station; the sixth step determines the position of the pile foundation according to the coordinate information derived by the model, so that the problems of trouble and inaccuracy in later-stage coordinate calculation can be effectively solved;
e. and (3) collision inspection: revit software is used for establishing a column detail table through Revit software according to design drawing description and design rules, a detail table function is derived to derive a pile foundation length data table, piles smaller than 6m are screened out, a part of piles are found to be even smaller than 0.5m in length and rock depth larger than or equal to 5.5m, the rock stratum below the part of pile foundation is found to be shallow through analysis, and the part of cast-in-place piles are changed into a natural foundation through communication with design;
f. a length data table of the cast-in-place pile is derived by means of Revit software through one key, prefabrication processing and concrete transportation of the reinforcement cage are carried out in advance through the length of the cast-in-place pile in the table, and discharging is carried out accurately, so that the construction period is effectively saved;
g. providing more than 6000 cast-in-place piles, wherein the rock-entering depth of part of the cast-in-place piles reaches 3m, providing 40 rotary excavating machines by analyzing the length data of the model, increasing the number of the cast-in-place machines in areas with deeper rock-entering depth or longer pile length by distributing the length and the short position of the cast-in-place piles in the model in order to ensure the construction period and the construction quality, and determining the construction route of the machine according to the arrangement of normal construction machines in the positions with shallow rock-entering depth to effectively and reasonably plan the number and the arrangement of the site construction machines;
h. and after the Revit modeling is finished and the inspection is correct, the engineering quantity function is counted through software, a cast-in-place pile detail table is established through Revit software, a pile foundation length data table is derived through the detail table deriving function, and the table comprises a cast-in-place pile total length required by the engineering, a steel reinforcement cage total length and a concrete total amount data table.
2. The method for constructing a bored concrete pile based on a BIM model pile foundation as claimed in claim 1, wherein the design rule is that the length of the bored concrete pile is not less than 6m and the rock penetration depth is not less than 1 m.
3. The method of constructing a bored pile based on a BIM model pile foundation according to claim 1, wherein the bored pile length data table relates to a length of a bored pile, a diameter of the bored pile, a concrete volume of the bored pile, and information on which layer of the ground the bored pile is located.
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| CN114934504A (en) * | 2022-04-24 | 2022-08-23 | 珠海华发人居生活研究院有限公司 | One-column one-pile construction method for super-large cross section |
| CN114912185B (en) * | 2022-06-27 | 2024-03-19 | 中国十七冶集团有限公司 | Dynamo-based pile foundation engineering modeling and engineering quantity statistics method |
| CN117521231B (en) * | 2024-01-04 | 2024-03-22 | 中建三局集团华南有限公司 | Intelligent piling monitoring management method and system based on BIM and IOT |
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