CN116484486A - New and old engineering pile foundation comprehensive treatment method - Google Patents
New and old engineering pile foundation comprehensive treatment method Download PDFInfo
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- CN116484486A CN116484486A CN202310744357.XA CN202310744357A CN116484486A CN 116484486 A CN116484486 A CN 116484486A CN 202310744357 A CN202310744357 A CN 202310744357A CN 116484486 A CN116484486 A CN 116484486A
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Abstract
The present disclosure relates to a comprehensive treatment method for new and old engineering pile foundations. The method comprises the following steps: creating a first old pile BIM three-dimensional model according to the old pile design drawing; building a new pile BIM three-dimensional model according to the new pile design drawing; closing the first old pile BIM three-dimensional model and the new pile BIM three-dimensional model; determining a first old pile and a new pile which conflict; according to the first old pile BIM three-dimensional model, carrying out position adjustment on a new pile in the new pile BIM three-dimensional model; detecting whether a hidden second old pile exists at each new pile before piling construction of each new pile is carried out at a construction site; closing the second old pile BIM three-dimensional model and the new pile BIM three-dimensional model; according to the second old pile BIM three-dimensional model, carrying out position adjustment on a new pile in the new pile BIM three-dimensional model; and piling construction of the new pile is carried out on the construction site according to the adjustment position of the new pile. The method is beneficial to avoiding engineering delay caused by the conflict of the new pile and the old pile in the construction process, and is beneficial to improving the construction efficiency.
Description
Technical Field
The disclosure relates to the technical field of engineering piles, in particular to a comprehensive treatment method for new and old engineering pile foundations.
Background
In the field of constructional engineering, the old pile of the original building is often rebuilt on the basis of the original building, the old pile of the original building is arranged in a construction site, the new pile of the new building and the old pile of the original building possibly have overlapping conflict, in the related technology, the old pile cannot be drilled after being drilled by a long spiral drilling machine, and the old pile is required to be submitted to pile position adjustment and audit for new pile construction. The process often causes the problems that the waiting time of concrete is too long, the construction of engineering piles cannot be carried out according to a set plan, and the like, so that the construction progress is affected.
Disclosure of Invention
In order to overcome the problems in the related art, the present disclosure provides a method for comprehensively treating new and old engineering pile foundations, so as to solve the above problems.
According to a first aspect of an embodiment of the present disclosure, there is provided a method for comprehensively processing new and old engineering pile foundations, the method including:
creating a first old pile BIM three-dimensional model according to the old pile design drawing;
building a new pile BIM three-dimensional model according to the new pile design drawing;
closing the first old pile BIM three-dimensional model and the new pile BIM three-dimensional model;
determining a first old pile and a new pile which conflict with a first old pile in the first old pile BIM three-dimensional model and a new pile in the new pile BIM three-dimensional model;
according to the first old pile BIM three-dimensional model, carrying out position adjustment on a new pile in the new pile BIM three-dimensional model so as to avoid the first old pile with the superposition conflict;
detecting whether a hidden second old pile exists at each new pile before piling construction of each new pile is carried out at a construction site;
if a hidden second old pile exists, updating the first old pile BIM three-dimensional model according to the coordinates of the hidden second old pile to obtain a second old pile BIM three-dimensional model;
closing the second old pile BIM three-dimensional model and the new pile BIM three-dimensional model;
according to the second old pile BIM three-dimensional model, carrying out position adjustment on a new pile in the new pile BIM three-dimensional model so as to avoid the occurrence of conflict with the hidden second old pile;
and in a construction site, piling construction of the new pile is carried out according to the adjustment position of the new pile.
In one embodiment, the new stake BIM three-dimensional model is displayed in a first color;
the first old pile BIM three-dimensional model is displayed by adopting a second color;
the second old pile BIM three-dimensional model is represented by a third color.
In one embodiment, after performing position adjustment on the new piles in the new pile BIM three-dimensional model according to the first old pile BIM three-dimensional model to avoid the old piles with overlapping conflict, before performing pile driving construction of each new pile at a construction site, detecting whether old piles are hidden at each new pile, the method further includes:
closing the new pile BIM three-dimensional model and a pre-generated building site geological model;
if the position meets the alarm condition, alarming is carried out, and the position of the new pile is adjusted;
the alarm condition comprises one or more of the following:
the low water level in the building site geological model is higher than a preset ground water level threshold;
in the building site address model, there is a hard obstacle that impedes piling at the location where the engineering pile passes.
In one embodiment, the method further comprises:
detecting whether there is a hidden second old pile at each new pile before piling construction of each new pile is performed at a construction site, comprising:
measuring the new pile position by adopting an RTK measuring method, and determining the coordinates of the new pile position;
surveying the pile position of the new pile by adopting a Luoyang shovel, and determining whether the pile position of the new pile has an old pile or not;
the number of the detection hole points near the new pile position is two or three;
each hole point adopts a Luoyang shovel to wash the soil to a depth of two meters;
if the old pile is found, the coordinates of the old pile are determined by adopting an RTK measurement method.
In one embodiment, if no old pile is found, piling construction of a new pile is performed at the new pile location.
In one embodiment, the position adjustment of the new pile comprises:
and rotating the bearing platform by a preset angle so that the new pile avoids the first old pile or the second old pile which are in conflict.
In one embodiment, the position adjustment of the new pile further comprises:
determining the distance to be offset of a new pile so that the new pile avoids a first old pile or a second old pile which are in conflict;
the distance is greater than a predetermined first distance threshold and less than a predetermined second distance threshold;
reporting the distance to a design unit for auditing, and enabling the design unit to carry out stress analysis auditing on the bearing platform according to the distance;
after the stress analysis and verification of the bearing platform are passed by the design unit, the construction unit adjusts the position of the new pile according to the distance;
and piling construction of a new pile is carried out at the adjusted position.
In one embodiment, the first distance threshold is 10mm and the second distance threshold is 20mm.
In one embodiment, the position adjustment of the new pile further comprises:
determining that the bearing platform needs to be enlarged in size according to the distance;
selecting a bearing platform with larger size specification;
and determining the position of the new pile on the bearing platform with the larger dimension according to the distance.
In one embodiment, after the position adjustment of the new pile, detecting whether a hidden third old pile exists at the adjustment position before piling construction of the new pile at the adjustment position at a construction site;
and if the hidden third old pile exists, continuing to adjust the position of the new pile until the adjusted position does not exist the hidden old pile, and performing piling construction.
The technical scheme provided by the embodiment of the disclosure can comprise the following beneficial effects:
determining a first old pile and a new pile which have overlapping conflict by closing the first old pile BIM three-dimensional model and the new pile BIM three-dimensional model; detecting whether a hidden second old pile exists at each new pile on a construction site; and if the hidden second old pile exists, updating the first old pile BIM three-dimensional model according to the coordinates of the hidden second old pile to obtain a second old pile BIM three-dimensional model. And closing the second old pile BIM three-dimensional model and the new pile BIM three-dimensional model. The new pile and the second old pile which conflict can be determined, and the new pile in the BIM of the new pile can be adjusted according to the BIM of the second old pile so as to avoid the hidden second old pile which conflicts. The method is beneficial to avoiding engineering delay caused by the conflict of the new pile and the old pile in the construction process, and is beneficial to improving the construction efficiency. It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure.
FIG. 1 is a flow chart illustrating a new and old engineering pile foundation integrated processing method according to an exemplary embodiment;
FIG. 2 is a schematic diagram illustrating the closing of an old pile BIM three-dimensional model and a new pile BIM three-dimensional model, according to an exemplary embodiment.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present disclosure as detailed in the accompanying claims.
It should be noted that, all actions for acquiring signals, information or data in the present application are performed under the condition of conforming to the corresponding data protection rule policy of the country of the location and obtaining the authorization given by the owner of the corresponding device.
The application provides a comprehensive treatment method for new and old engineering pile foundations, which is shown in a flow chart of the comprehensive treatment method for the new and old engineering pile foundations in the figure 1; the method may comprise the steps of:
in step S101, a first old pile BIM three-dimensional model is created according to the old pile design drawing.
In this embodiment, the old stake design drawing may be obtained in advance from the design unit, and a first old stake BIM three-dimensional model may be created from the old stake design drawing using BIM (building information model, building Information Modeling) software.
In step S102, a new pile BIM three-dimensional model is built according to the new pile design drawing.
In this embodiment, a new stake design drawing may be obtained in advance from a design unit, and a new stake BIM three-dimensional model may be built according to the new stake design drawing.
In some embodiments, the new and old pile BIM model can be modeled according to the construction flow section division, and adverse factors of engineering pile construction are analyzed and deviation correction adjustment is performed. And the old pile BIM model is established based on the design drawing of the old pile of the existing structure, and the model is divided according to the on-site construction flow section, so that the later stage of mould closing with the new pile model is facilitated.
In step S103, the first old pile BIM three-dimensional model and the new pile BIM three-dimensional model are assembled.
In this embodiment, the base points of the first old pile BIM three-dimensional model and the new pile BIM three-dimensional model are unified, the old pile is locked in sequence, the drawing data information is completely reflected in the model, and the data information of the pile foundation engineering is truly reflected. After the mold is closed, whether the new pile and the old pile conflict or not can be visually indicated. And the conflicted new pile and old pile are determined intuitively and vividly by a user.
Referring to fig. 2, a partial schematic view of the first old pile BIM three-dimensional model and the new pile BIM three-dimensional model is shown, in which the positional relationship of the new pile 21 and the old pile 22 can be visually indicated.
In step S104, a first old pile and a new pile in which a first old pile in the first old pile BIM three-dimensional model and a new pile in the new pile BIM three-dimensional model have a coincidence conflict are determined.
In some embodiments, the new pile BIM three-dimensional model is displayed in a first color and the first old pile BIM three-dimensional model is displayed in a second color. And different colors are adopted to represent BIM three-dimensional models of the new pile and the old pile, so that whether the new pile and the old pile conflict or not can be observed.
In step S105, according to the first old pile BIM three-dimensional model, a position of a new pile in the new pile BIM three-dimensional model is adjusted so as to avoid the first old pile with overlapping conflict.
In step S106, before piling construction of each new pile is performed at the construction site, detecting whether there is a hidden second old pile at each new pile; and if the hidden second old pile exists, updating the first old pile BIM three-dimensional model according to the coordinates of the hidden second old pile to obtain a second old pile BIM three-dimensional model.
In this embodiment, since the previous construction unit performs the construction according to the design drawing at the construction site, some pile positions are adjusted during the actual construction due to various reasons such as geology, and the pile positions actually performed are not matched with the pile positions in the design drawing. When the old pile is removed, a mechanical crushing and removing mode is adopted, and the breaking depth of the individual old pile is large, so that the old pile cannot be found on the construction surface after the old pile is removed. These pile bits may be referred to as hidden second old piles.
Therefore, in construction, whether a hidden second old pile exists or not needs to be detected at the position of the new pile, and if the hidden second old pile exists, the BIM three-dimensional model of the first old pile is updated in time to obtain the BIM three-dimensional model of the second old pile.
In step S107, the second old pile BIM three-dimensional model and the new pile BIM three-dimensional model are assembled.
In this embodiment, by re-closing the mold, the new pile and the second old pile that have collided can be determined.
In step S108, according to the second old pile BIM three-dimensional model, position adjustment is performed on the new pile in the new pile BIM three-dimensional model, so as to avoid the second old pile that collides with the hidden pile.
In this embodiment, after the above-mentioned determination of the new pile and the second old pile, the position of the new pile may be adjusted to avoid the hidden second old pile that collides.
In step S109, in the construction site, pile driving construction of the new pile is performed according to the adjustment position of the new pile.
In some embodiments, the problem report may also be generated according to the first old pile and the second old pile, which are in conflict, respectively, and the problem report may be sent to the client of the design entity, so that the design entity performs audit modification.
According to the technical scheme, the old pile in the old pile BIM three-dimensional model and the new pile in the new pile BIM three-dimensional model are determined to be in coincidence conflict with each other by closing the old pile BIM three-dimensional model and the new pile BIM three-dimensional model; detecting whether a hidden second old pile exists at each new pile on a construction site; and if the hidden second old pile exists, updating the first old pile BIM three-dimensional model according to the coordinates of the hidden second old pile to obtain a second old pile BIM three-dimensional model. And closing the second old pile BIM three-dimensional model and the new pile BIM three-dimensional model. The new pile and the second old pile which conflict can be determined, and the new pile in the BIM of the new pile can be adjusted according to the BIM of the second old pile so as to avoid the hidden second old pile which conflicts. The method is beneficial to avoiding engineering delay caused by the conflict of the new pile and the old pile in the construction process, and is beneficial to improving the construction efficiency.
In one embodiment, the new stake BIM three-dimensional model is displayed in a first color; the first old pile BIM three-dimensional model is displayed by adopting a second color; the second old pile BIM three-dimensional model is represented by a third color.
In this embodiment, different colors may be used to represent the new pile BIM three-dimensional model, the first old pile BIM three-dimensional model, and the second old pile BIM three-dimensional model, respectively. And the visual distinguishing is facilitated.
In one embodiment, after adjusting the position of the new pile in the new pile BIM three-dimensional model according to the first old pile BIM three-dimensional model to avoid the old pile with the overlapping conflict, before pile driving construction of each new pile at a construction site, the method may further include the following steps:
closing the new pile BIM three-dimensional model and a pre-generated building site geological model;
and if the position meets the alarm condition, alarming and adjusting the position of the new pile.
The alarm condition comprises one or more of the following:
the low water level in the building site geological model is above a predetermined ground water level threshold.
The ground water level threshold value can be flexibly set.
In the building site address model, there is a hard obstacle that impedes piling at the location where the engineering pile passes.
In this embodiment, the building site geological model may be generated in advance according to geological conditions of the building site. Groundwater level information, and subsurface rock distribution may be included in the building site geologic model. If hard rock exists at the location of the engineered pile, construction is not possible and the location needs to be replaced.
In one embodiment, before piling each new pile at the construction site, detecting whether there is a hidden second old pile at each new pile may include the steps of:
and measuring the pile position of the new pile by adopting an RTK measuring method, and determining the coordinates of the pile position of the new pile.
And surveying the pile position of the new pile by adopting a Luoyang shovel, and determining whether the pile position of the new pile has an old pile or not.
And if the hidden second old pile is found, determining the coordinates of the hidden second old pile by adopting an RTK measurement method. And if no old pile is found, piling construction of a new pile is carried out at the pile position of the new pile.
Wherein, the number of the detection hole points near the new pile position is a plurality, preferably, the number can be two or three. Each hole point adopts a Luoyang shovel to wash the soil to a depth of two meters.
The method is a satellite positioning measurement method, and is a differential method for Real-time differential technology (RTK), which processes the observed quantity of the carrier phases of two measuring stations in Real time, and sends the carrier phases acquired by a reference station to a user receiver for solving the difference to calculate coordinates.
And performing investigation at the pile position of the new pile, and determining whether the pile position of the new pile has a hidden second old pile.
Wherein the buried second old pile is generally buried to a depth of not more than 2 meters. The Luoyang shovel can be adopted to survey at the position of the new pile, and the soil is drawn to a depth of 2 meters. And if the hidden second old pile exists, digging out the pile body of the hidden second old pile, and determining the coordinates of the hidden second old pile by adopting an RTK measurement method.
Specifically, a small excavator can be adopted to dig out the pile body of the hidden second old pile.
In one embodiment, the position adjustment of the new pile may include the following steps:
and rotating the bearing platform by a preset angle so that the new pile avoids the first old pile or the second old pile which are in conflict.
In this embodiment, the predetermined angle may be flexibly set according to the position of the first old pile or the second old pile that collides, and the principle is that, after the position of the new pile is rotated, the distance between the new pile and the first old pile or the second old pile at least meets a predetermined distance threshold, where the distance threshold may be 10mm.
In some embodiments, the above-described rotation method is preferably used for the deflection for three pile caps.
In addition to the above-mentioned rotation method, the method may also be performed by adopting a linear offset method, and in one embodiment, the method may further include the following steps of:
the distance by which the new pile needs to be offset is determined so that the new pile avoids the first old pile or the second old pile that is in conflict.
The distance is greater than a predetermined first distance threshold and less than a predetermined second distance threshold.
The first distance threshold may be 10mm, and the second distance threshold may be 20mm.
And reporting the distance to a design unit for auditing, and enabling the design unit to carry out stress analysis auditing on the bearing platform according to the distance.
And after the stress analysis and verification of the bearing platform are passed by the design unit, the construction unit adjusts the position of the new pile according to the distance.
And piling construction of a new pile is carried out at the adjusted position.
In this embodiment, the design unit may perform stress analysis on the adjusted bearing platform by using stress analysis software, and after determining that the bearing platform passes the stress analysis, the design unit may notify the construction unit, and may perform construction of a new pile according to the position after the position is adjusted. If the stress analysis does not pass, the design unit can determine a new position, after the new position is determined, the bearing platform stress analysis passes, the new position is sent to the construction unit, and the construction unit performs construction of the new pile.
In one embodiment, the position adjustment of the new pile may further include the following steps:
and determining that the bearing platform needs to be enlarged in size according to the distance.
And selecting a bearing platform with larger size specification.
And determining the position of the new pile on the bearing platform with the larger dimension according to the distance.
In this embodiment, for a rectangular pile cap with the pile count of 4 or greater than 4, a linear offset method is generally used to determine a new position, and if the position of the linear offset exceeds the size of the pile cap, the pile cap needs to be enlarged.
To ensure that a new pile is not hidden from old piles at a new location, in one embodiment, after a location adjustment, the new pile detects whether there is a hidden third old pile at the adjustment location before piling construction at the adjustment location at a construction site.
And if the hidden third old pile exists, continuing to adjust the position of the new pile until the adjusted position does not exist the hidden old pile, and performing piling construction.
In this embodiment, before the pile driving construction is performed at the new adjustment position on the construction site, the new pile may further perform detection, to detect whether the hidden third old pile exists at the adjustment position, if not, the pile driving construction may be performed, and if so, the position of the new pile may be continuously adjusted until the adjusted position does not have the hidden old pile, and the pile driving construction may be performed.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure. This application is intended to cover any adaptations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It is to be understood that the present disclosure is not limited to the precise arrangements and instrumentalities shown in the drawings, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (10)
1. The comprehensive treatment method of the new and old engineering pile foundations is characterized by comprising the following steps of:
creating a first old pile BIM three-dimensional model according to the old pile design drawing;
building a new pile BIM three-dimensional model according to the new pile design drawing;
closing the first old pile BIM three-dimensional model and the new pile BIM three-dimensional model;
determining a first old pile and a new pile which conflict with a first old pile in the first old pile BIM three-dimensional model and a new pile in the new pile BIM three-dimensional model;
according to the first old pile BIM three-dimensional model, carrying out position adjustment on a new pile in the new pile BIM three-dimensional model so as to avoid the first old pile with the superposition conflict;
detecting whether a hidden second old pile exists at each new pile before piling construction of each new pile is carried out at a construction site;
if a hidden second old pile exists, updating the first old pile BIM three-dimensional model according to the coordinates of the hidden second old pile to obtain a second old pile BIM three-dimensional model;
closing the second old pile BIM three-dimensional model and the new pile BIM three-dimensional model;
according to the second old pile BIM three-dimensional model, carrying out position adjustment on a new pile in the new pile BIM three-dimensional model so as to avoid the occurrence of conflict with the hidden second old pile;
and in a construction site, piling construction of the new pile is carried out according to the adjustment position of the new pile.
2. The method for comprehensively treating the new and old engineering pile foundations according to claim 1, wherein,
the BIM three-dimensional model of the new pile is displayed by adopting a first color;
the first old pile BIM three-dimensional model is displayed by adopting a second color;
the second old pile BIM three-dimensional model is represented by a third color.
3. The method according to claim 1, wherein after adjusting the position of the new pile in the new pile BIM three-dimensional model according to the first old pile BIM three-dimensional model to avoid the old pile having the overlapping conflict, before piling each new pile at a construction site, detecting whether there is a hidden old pile at each new pile, the method further comprises:
closing the new pile BIM three-dimensional model and a pre-generated building site geological model;
if the position meets the alarm condition, alarming is carried out, and the position of the new pile is adjusted;
the alarm condition comprises one or more of the following:
the low water level in the building site geological model is higher than a preset ground water level threshold;
in the building site address model, there is a hard obstacle that impedes piling at the location where the engineering pile passes.
4. The method for comprehensively treating new and old engineering pile foundations according to claim 1, further comprising:
detecting whether there is a hidden second old pile at each new pile before piling construction of each new pile is performed at a construction site, comprising:
measuring the new pile position by adopting an RTK measuring method, and determining the coordinates of the new pile position;
surveying the pile position of the new pile by adopting a Luoyang shovel, and determining whether the pile position of the new pile has an old pile or not;
the number of the detection hole points near the new pile position is two or three;
each hole point adopts a Luoyang shovel to wash the soil to a depth of two meters;
if the old pile is found, the coordinates of the old pile are determined by adopting an RTK measurement method.
5. The method for comprehensively treating pile foundations of new and old projects according to claim 1, wherein if no old pile is found, pile driving construction of a new pile is performed at the pile location of the new pile.
6. The method for comprehensively treating the new and old engineering pile foundations according to claim 1, wherein,
and performing position adjustment on the new pile, including:
and rotating the bearing platform by a preset angle so that the new pile avoids the first old pile or the second old pile which are in conflict.
7. The method for comprehensively treating new and old engineering pile foundations according to claim 6, wherein the position of the new pile is adjusted, further comprising:
determining the distance to be offset of a new pile so that the new pile avoids a first old pile or a second old pile which are in conflict;
the distance is greater than a predetermined first distance threshold and less than a predetermined second distance threshold;
reporting the distance to a design unit for auditing, and enabling the design unit to carry out stress analysis auditing on the bearing platform according to the distance;
after the stress analysis and verification of the bearing platform are passed by the design unit, the construction unit adjusts the position of the new pile according to the distance;
and piling construction of a new pile is carried out at the adjusted position.
8. The method for comprehensively treating the new and old engineering pile foundations according to claim 7, wherein,
the first distance threshold is 10mm and the second distance threshold is 20mm.
9. The method for comprehensively treating the new and old engineering pile foundations according to claim 8, wherein,
and carrying out position adjustment on the new pile, and further comprising:
determining that the bearing platform needs to be enlarged in size according to the distance;
selecting a bearing platform with larger size specification;
and determining the position of the new pile on the bearing platform with the larger dimension according to the distance.
10. The method for comprehensively treating the new and old engineering pile foundations according to claim 7, wherein,
after the position of the new pile is adjusted, detecting whether a hidden third old pile exists at the adjusted position or not before piling construction of the new pile at the adjusted position at a construction site;
and if the hidden third old pile exists, continuing to adjust the position of the new pile until the adjusted position does not exist the hidden old pile, and performing piling construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310744357.XA CN116484486B (en) | 2023-06-25 | 2023-06-25 | New and old engineering pile foundation comprehensive treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310744357.XA CN116484486B (en) | 2023-06-25 | 2023-06-25 | New and old engineering pile foundation comprehensive treatment method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116484486A true CN116484486A (en) | 2023-07-25 |
| CN116484486B CN116484486B (en) | 2023-09-22 |
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