CN115142429B - Foundation pit supporting baffle structure based on BIM technology and construction method - Google Patents
Foundation pit supporting baffle structure based on BIM technology and construction method Download PDFInfo
- Publication number
- CN115142429B CN115142429B CN202210672846.4A CN202210672846A CN115142429B CN 115142429 B CN115142429 B CN 115142429B CN 202210672846 A CN202210672846 A CN 202210672846A CN 115142429 B CN115142429 B CN 115142429B
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- supporting
- supporting baffle
- baffle
- foundation pit
- steel
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- 238000005516 engineering process Methods 0.000 title claims abstract description 24
- 238000010276 construction Methods 0.000 title claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 87
- 239000010959 steel Substances 0.000 claims abstract description 87
- 239000002689 soil Substances 0.000 claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 239000002023 wood Substances 0.000 description 12
- 239000000463 material Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/24—Prefabricated piles
- E02D5/28—Prefabricated piles made of steel or other metals
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The invention provides a foundation pit supporting baffle structure based on BIM technology, which comprises a plurality of H-shaped supporting steel piles, wherein a first supporting baffle and a second supporting baffle are arranged between two adjacent H-shaped supporting steel piles, and one ends of the first supporting baffle and the second supporting baffle are respectively connected with the two adjacent H-shaped supporting steel piles. The invention aims to provide a structure for supporting and typesetting by using BIM technology and manufacturing a foundation pit supporting baffle plate in a factory, which is mainly applied to a foundation pit supporting mode that the foundation pit is not buried in a small depth and has no underground water. The baffle structure is convenient to construct, convenient to use for the second time, convenient to install and detach, good in soil retaining effect and capable of effectively guaranteeing stability of a foundation pit during construction of an underground structure.
Description
Technical Field
The invention relates to the technical field of foundation pit support, in particular to a foundation pit support baffle structure based on a BIM technology and a construction method.
Background
BIM technology is a datamation tool applied to engineering design, construction and management, integrates related information of various projects through a parameter model, and performs sharing and transmission in the whole life cycle process of project planning, operation and maintenance, so that engineering technicians can correctly understand and efficiently process various building information, a cooperative work foundation is provided for design teams and building main bodies of all parties including building operation units, and important effects are realized in the aspects of improving production efficiency, saving cost and shortening construction period.
Wood templates are commonly adopted for installation among traditional foundation pit supporting steel piles. On the one hand, the wood template is installed and can deform under the action of rainwater, on the other hand, the template is not reliably connected, the soil retaining effect is poor, the wood template is large in deformation after the foundation pit support is finished, the wood template cannot be reused, the material waste is serious, the economic and environment-friendly effects are poor, and the wood template is inconvenient to dismantle.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a foundation pit supporting baffle structure based on a BIM technology and a construction method, which solve the problem that wood templates are commonly adopted for installation between traditional foundation pit supporting steel piles. On the one hand, the wood template is installed and can deform under the action of rainwater, on the other hand, the template is not reliably connected, the soil retaining effect is poor, the wood template is large in deformation after the foundation pit support is finished, the wood template cannot be reused, the material waste is serious, the economic and environment-friendly effects are poor, and the wood template is inconvenient to dismantle.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme:
the utility model provides a foundation ditch support baffle structure based on BIM technique, includes a plurality of H type support steel piles, is provided with first support baffle and second support baffle between two adjacent H type support steel piles, the one end of first support baffle and second support baffle is connected with two adjacent H type support steel piles respectively, the other end of second support baffle is pressed and is established at the other end surface of first support baffle, just the second support baffle is pressed and is established in the position department on first support baffle surface and is provided with the square steel, set up with the screw between square steel and first support baffle and the second support baffle.
Preferably, the first supporting baffle plate and the second supporting baffle plate have the same structure, and the first supporting baffle plate and the second supporting baffle plate both comprise a soil retaining plate and angle steel.
Preferably, the retaining plate is arc-shaped, the angle steel is positioned on the outer surface of one arched surface of the retaining plate, and the retaining plate is welded and fixed with the angle steel.
Preferably, the two retaining plates in the first retaining plate and the second retaining plate are spliced to form an arch.
Preferably, the section of the angle steel is L-shaped, and a through hole is formed in the surface of the joint of the angle steel and the soil retaining plate.
Preferably, the square steel is located between two angle steels of the first supporting baffle and the second supporting baffle, threading is arranged at the position, corresponding to the through holes, of the square steel, screws are arranged below the retaining plate, and one ends of the screws penetrate through the two through holes of the first supporting baffle and the second supporting baffle and are in threaded connection with the threading.
Preferably, the H-shaped supporting steel pile and one end of the soil retaining plate in the first supporting baffle plate and one end of the soil retaining plate in the second supporting baffle plate are welded or bolted to form a whole.
A foundation pit supporting baffle construction method based on BIM technology comprises the following steps:
s1, typesetting supporting steel piles by using a BIM technology according to foundation pit edges, and determining the number of required foundation pit supporting soil baffles;
s2, manufacturing and processing the retaining plate according to the retaining plate specifications generated by the BIM technology, and welding the retaining plate with angle steel after the processing is finished to form a supporting baffle;
s3, assembling the two supporting baffles through square steel, and fixing the joint by using screws;
s4, after the foundation pit construction is completed, removing the screws, extracting square steel, and removing the supporting baffle.
(III) beneficial effects
The invention discloses a foundation pit supporting baffle structure based on BIM technology and a construction method. The beneficial effects are as follows:
the foundation pit supporting baffle is mainly applied to a foundation pit supporting mode that the foundation pit is not large in embedded depth and has no underground water. The baffle structure is convenient to construct, convenient to use for the second time, convenient to install and detach, good in soil retaining effect and capable of effectively guaranteeing stability of a foundation pit during construction of an underground structure.
Drawings
FIG. 1 is a plan view of the present invention;
fig. 2 is a view showing the construction of the supporting baffle plate of the present invention.
Wherein, 1, the soil-retaining plate; 2. angle steel; 3. square steel; 4. threading; 5. h-shaped supporting steel piles; 6. and (5) a screw.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1:
referring to fig. 1-2, a foundation pit supporting baffle structure based on BIM technology, including a plurality of H type supporting steel piles 5, be provided with first supporting baffle and second supporting baffle between two adjacent H type supporting steel piles 5, the one end of first supporting baffle and second supporting baffle is connected with two adjacent H type supporting steel piles 5 respectively, the other end pressure of second supporting baffle is established at the other end surface of first supporting baffle, and the position department that the second supporting baffle pressed and is established at first supporting baffle surface is provided with square steel 3, set up with screw 6 between square steel 3 and first supporting baffle and the second supporting baffle, can carry out quick concatenation equipment to first supporting baffle and second supporting baffle.
The structure of first support baffle and second support baffle is unanimous, first support baffle and second support baffle all include soil retaining plate 1 and angle steel 2, angle steel 2 can make the junction of first support baffle and second support baffle more stable, increase junction's intensity, soil retaining plate 1 is the arc setting, angle steel 2 is located the surface of soil retaining plate 1 arch one side, soil retaining plate 1 and angle steel 2 welded fastening, two soil retaining plates 1 concatenation in first support baffle and the second support baffle form the arch, the arch has good resistance to compression effect, be difficult for the flexible for the support baffle structural stability of concatenation is better, the cross-section of angle steel 2 is L type setting, angle steel 2 and soil retaining plate 1's junction surface has been seted up the through-hole, so that screw 6 passes between 3 with square steel, square steel 3 is located between two angle steel 2 of first support baffle and second support baffle, square steel 3 corresponds the position with the through-hole and is provided with sleeve wire 4, soil retaining plate 1's below is provided with screw 6, first support plate 6 passes on the first support baffle and the second support baffle and two support pile, the realization screw pile is connected with first support pile 5, the second support pile is realized with first support baffle, the second support pile is realized, the screw pile is connected with first support pile 5, the second support baffle is connected with first support baffle, the second pile is realized, the whole pile is realized, the screw is connected with the first support pile is connected with the first support baffle.
A foundation pit supporting baffle construction method based on BIM technology comprises the following steps:
s1, typesetting supporting steel piles by using a BIM technology according to foundation pit edges, and determining the number of required foundation pit supporting soil baffles 1;
s2, manufacturing and processing the retaining plate according to the retaining plate specifications generated by the BIM technology, and welding the retaining plate with the angle steel 2 after the processing is finished to form a supporting baffle;
s3, assembling the two supporting baffles through square steel 3, and fixing the joint by using screws 6;
s4, after the foundation pit construction is completed, removing the screws 6, extracting the square steel 3, and removing the supporting baffle.
Example 2:
in a hospital project in a certain city, the foundation pit is buried at about 7m, and no underground water exists in a construction area. The foundation pit support adopts 400H-shaped steel, the distance is 800mm, and the original plan of gaps among the H-shaped steel adopts a 12mm thick wood template as a soil retaining plate. Because the wood template is adopted, the soil retaining effect is poor, the template is difficult to reuse after being used, the material is wasted, and the later dismantling is difficult.
The invention relates to a BIM technology, which is used for typesetting the position of an H-shaped supporting steel pile 5 of a foundation pit, and is used for processing a fixed steel baffle in a factory, so that the soil blocking effect of the foundation pit is ensured, the material waste is reduced, and the dismantling efficiency is improved.
1. Typesetting is carried out on the foundation pit supporting H-shaped steel piles 5 by using BIM technology, and the foundation pit H-shaped supporting steel piles 5 are mainly divided into 3 parts.
1) Standard section. The spacing between the steel piles is 800mm.
2) And a corner part.
3) Other parts with special requirements.
2. And designing and typesetting baffle structures among the steel piles. (the present invention is explained in terms of a standard segment baffle design.)
3. The supporting baffle is mainly composed of arc-shaped steel plates, the width of each steel plate is 600mm, the length of each arc-shaped steel plate is obtained through lofting, and the thickness of each steel plate is 4mm. One side of the arc-shaped steel plate is welded with 40mm angle steel 2.
4. Two supporting baffles are assembled with the square steel 3 with the thickness of 40mm, and the connecting part is fixed by using screws 6. The pitch of the screws 6 is 300mm.
5. After the foundation pit construction is completed, the screw 6 is removed, the 40mm square steel 3 is extracted, and the supporting baffle is removed.
Example 3:
the invention aims to provide a template-shaping steel template for a pipe gallery wall construction joint, which is mainly used for pipe gallery vertical construction joint construction and improves construction quality of the construction joint.
In order to smoothly implement the invention, the invention is realized by adopting the following technical scheme:
1. typesetting the H-shaped supporting steel piles by using BIM technology according to the foundation pit side lines, wherein the foundation pit H-shaped supporting steel piles 5 are vertically arranged along the foundation pit side lines by adopting 400 mmH-shaped steel with the spacing of 800mm. The number of foundation pit supporting soil guard plates 1 required is determined.
2. And blanking is carried out according to the 1-specification of the retaining plates generated by the BIM technology, each retaining plate is 1 mm wide and 4mm thick. And after the soil retaining plate 1 is processed, welding with 40-thickness angle steel.
3. Adopt two to keep off soil board 1 concatenation to form between the horizontal direction stake, keep off soil board 1 back and set up a 40 square steel 3, adopt screw 6 to connect between square steel 3 and the fender soil board 1, screw 6 interval 300mm. The baffles in the vertical direction are mutually overlapped, and the overlap length is 100mm.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a foundation ditch support baffle structure based on BIM technique which characterized in that: the novel steel pile structure comprises a plurality of H-shaped supporting steel piles (5), a first supporting baffle and a second supporting baffle are arranged between two adjacent H-shaped supporting steel piles (5), one ends of the first supporting baffle and the second supporting baffle are respectively connected with two adjacent H-shaped supporting steel piles (5), the other end of the second supporting baffle is pressed on the other end surface of the first supporting baffle, square steel (3) is arranged at the position of the second supporting baffle pressed on the surface of the first supporting baffle, and screws (6) are arranged between the square steel (3) and the first supporting baffle and between the second supporting baffle; the construction method of the foundation pit supporting baffle structure based on the BIM technology comprises the following steps:
s1, typesetting supporting steel piles by using a BIM technology according to foundation pit side lines, and determining the number of required foundation pit supporting retaining plates (1);
s2, manufacturing and processing the retaining plate according to the retaining plate specifications generated by the BIM technology, and welding the retaining plate with the angle steel (2) after the processing is finished to form a supporting baffle;
s3, assembling the two supporting baffles through square steel (3), and fixing the joints by using screws (6);
s4, after the foundation pit construction is completed, removing the screws (6), extracting the square steel (3), and removing the supporting baffle.
2. The foundation pit supporting baffle structure based on the BIM technology according to claim 1, wherein: the structure of the first supporting baffle plate is consistent with that of the second supporting baffle plate, and the first supporting baffle plate and the second supporting baffle plate comprise a soil retaining plate (1) and angle steel (2).
3. The foundation pit supporting baffle structure based on the BIM technique according to claim 2, wherein: the soil-retaining plate (1) is in an arc-shaped arrangement, the angle steel (2) is positioned on the outer surface of the arched surface of the soil-retaining plate (1), and the soil-retaining plate (1) is fixedly welded with the angle steel (2).
4. A foundation pit supporting baffle structure based on BIM technology according to claim 3, wherein: two retaining plates (1) in the first retaining plate and the second retaining plate are spliced to form an arch.
5. The foundation pit supporting baffle structure based on the BIM technique according to claim 2, wherein: the section of the angle steel (2) is L-shaped, and a through hole is formed in the surface of the joint of the angle steel (2) and the soil retaining plate (1).
6. The foundation pit supporting baffle structure based on the BIM technique according to claim 5, wherein: square steel (3) are located between two angle steel (2) of first support baffle and second support baffle, square steel (3) are provided with mantle fiber (4) with the corresponding position of through hole, the below of retaining plate (1) is provided with screw (6), two through holes on first support baffle and the second support baffle are passed to the one end of screw (6) to with mantle fiber (4) threaded connection.
7. The foundation pit supporting baffle structure based on the BIM technique according to claim 6, wherein: the H-shaped supporting steel pile (5) is welded or bolted with one end of the soil retaining plate (1) in the first supporting baffle plate and the second supporting baffle plate to form a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210672846.4A CN115142429B (en) | 2022-06-15 | 2022-06-15 | Foundation pit supporting baffle structure based on BIM technology and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210672846.4A CN115142429B (en) | 2022-06-15 | 2022-06-15 | Foundation pit supporting baffle structure based on BIM technology and construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115142429A CN115142429A (en) | 2022-10-04 |
| CN115142429B true CN115142429B (en) | 2024-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210672846.4A Active CN115142429B (en) | 2022-06-15 | 2022-06-15 | Foundation pit supporting baffle structure based on BIM technology and construction method |
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| Country | Link |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206941597U (en) * | 2017-03-22 | 2018-01-30 | 镇江城市建设产业集团有限公司 | A kind of HSCW engineering methods pile pit supporting construction |
| CN112854579A (en) * | 2021-03-03 | 2021-05-28 | 甘肃省交通规划勘察设计院股份有限公司 | Profiled steel sheet section steel supporting system and construction method |
| CN113202106A (en) * | 2021-04-16 | 2021-08-03 | 北京城建设计发展集团股份有限公司 | Deep foundation pit excavation method |
| CN113914386A (en) * | 2021-11-04 | 2022-01-11 | 中国市政工程西北设计研究院有限公司 | Intelligent monitoring method for deep foundation pit support safety based on BIM +3S technology |
-
2022
- 2022-06-15 CN CN202210672846.4A patent/CN115142429B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206941597U (en) * | 2017-03-22 | 2018-01-30 | 镇江城市建设产业集团有限公司 | A kind of HSCW engineering methods pile pit supporting construction |
| CN112854579A (en) * | 2021-03-03 | 2021-05-28 | 甘肃省交通规划勘察设计院股份有限公司 | Profiled steel sheet section steel supporting system and construction method |
| CN113202106A (en) * | 2021-04-16 | 2021-08-03 | 北京城建设计发展集团股份有限公司 | Deep foundation pit excavation method |
| CN113914386A (en) * | 2021-11-04 | 2022-01-11 | 中国市政工程西北设计研究院有限公司 | Intelligent monitoring method for deep foundation pit support safety based on BIM +3S technology |
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| Publication number | Publication date |
|---|---|
| CN115142429A (en) | 2022-10-04 |
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