CN115142429A - 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
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- CN115142429A CN115142429A CN202210672846.4A CN202210672846A CN115142429A CN 115142429 A CN115142429 A CN 115142429A CN 202210672846 A CN202210672846 A CN 202210672846A CN 115142429 A CN115142429 A CN 115142429A
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- baffle
- foundation pit
- supporting baffle
- supporting
- steel
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- 238000005516 engineering process Methods 0.000 title claims abstract description 27
- 238000010276 construction Methods 0.000 title claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 85
- 239000010959 steel Substances 0.000 claims abstract description 85
- 239000002689 soil Substances 0.000 claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 9
- 238000012545 processing Methods 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009430 construction management Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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
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- 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)
- Bulkheads Adapted To Foundation Construction (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention provides a foundation pit supporting baffle structure based on a BIM (building information modeling) 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 end of each of the first supporting baffle and the second supporting baffle is connected with the two adjacent H-shaped supporting steel piles respectively. The invention aims to provide a structure for supporting and composing by utilizing 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 embedded depth of a foundation pit is not large and the foundation pit has no underground water. This baffle structure construction convenience, the reutilization of being convenient for, ann tears the convenience open, and soil retaining effect is good, can effectively guarantee underground structure construction period's foundation ditch stability.
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 (building information modeling) technology and a construction method.
Background
The BIM technology is a datamation tool applied to engineering design and construction management, integrates related information of various projects through a parameter model, and shares and transmits the related information in the whole life cycle process of project planning, operation and maintenance, so that engineering technicians can correctly understand and efficiently respond to various building information, a foundation for cooperative work is provided for design teams and all building main bodies including building operation units, and the data processing method plays an important role in improving production efficiency, saving cost and shortening construction period.
The traditional foundation pit supporting steel piles are generally installed by adopting wood templates. The plank sheathing installation receives the rainwater effect on the one hand and can take place to warp, does not have reliable connection between the template of the other side, and it is not good to keep off the soil effect, and the plank sheathing warp great after excavation supporting ends, can't carry out reuse, and the material is extravagant more serious, and economic environmental protection effect is not good, and the plank sheathing demolishs the in-process inconvenient.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a foundation pit supporting baffle structure based on a BIM (building information modeling) technology and a construction method, and solves the problem that wood formworks are generally adopted for mounting traditional foundation pit supporting steel piles. The plank sheathing installation receives the rainwater effect on the one hand and can take place to warp, does not have reliable connection between the template of the other side, and it is not good to keep off the soil effect, and the plank sheathing warp great after excavation supporting ends, can't carry out reuse, and the material is extravagant more serious, and economic environmental protection effect is not good, and the plank sheathing demolishs the inconvenient problem of in-process.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme:
the utility model provides a retaining wall structure is strutted to excavation supporting based on BIM technique, includes that a plurality of H types strut the piling bar, and two adjacent H types are strutted and are provided with first fender apron and second between the piling bar and strut the baffle, the one end of baffle is strutted with two adjacent H types respectively to first fender apron and second and strut the piling bar and be connected, the other end of baffle is strutted to the second is pressed and is established on the other end surface of first fender apron, just the baffle is strutted to the second and is pressed and establish the position department on first fender apron surface and be provided with the square steel, the square steel is strutted with first fender apron and second and is set up and the screw between the baffle.
Preferably, the first supporting baffle and the second supporting baffle are consistent in structure, and both the first supporting baffle and the second supporting baffle comprise retaining plates and angle steel.
Preferably, the soil retaining plate is arranged in an arc shape, the angle steel is positioned on the outer surface of the arch surface of the soil retaining plate, and the soil retaining plate and the angle steel are fixedly welded.
Preferably, two retaining plates in the first retaining baffle and the second retaining baffle are spliced to form an arch.
Preferably, the cross 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 the two angle steels of the first supporting baffle and the second supporting baffle, the square steel is provided with a mantle fiber at a position corresponding to the through hole, a screw is arranged below the soil retaining plate, and one end of the screw penetrates through the two through holes in the first supporting baffle and the second supporting baffle and is in threaded connection with the mantle fiber.
Preferably, the H-shaped supporting steel pile and one end of the retaining plate in the first supporting baffle plate and the second supporting baffle plate are welded or fixed by bolts to form a whole.
A foundation pit supporting baffle construction method based on a BIM technology comprises the following steps:
s1, typesetting support steel piles by utilizing a BIM technology according to the side line of a foundation pit, and determining the number of required retaining plates of the foundation pit support;
s2, manufacturing and processing the soil retaining plate according to the specification of the soil retaining plate generated by the BIM technology, and welding the soil retaining plate with angle steel after the processing is finished to form a supporting baffle plate;
s3, assembling the two supporting baffles through square steel, and fixing the joints through screws;
and S4, after the foundation pit construction is completed, removing the screws, drawing out the square steel, and removing the supporting baffle.
(III) advantageous effects
The invention relates to a foundation pit supporting baffle structure based on a BIM technology and a construction method. The method has the following beneficial effects:
the foundation pit supporting baffle plate is mainly applied to a foundation pit supporting mode that the foundation pit embedding depth is not large and the foundation pit does not have underground water. This baffle structure construction convenience, the reutilization of being convenient for, the ann tears the convenience open, and it is effectual to keep off soil, can effectively guarantee the foundation ditch stability during underground structure construction.
Drawings
FIG. 1 is a floor plan of the present invention;
fig. 2 is a structural view of the retaining shield of the present invention.
Wherein, 1, a retaining plate; 2. angle steel; 3. square steel; 4. threading; 5. h-shaped supporting steel piles; 6. and (4) screws.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Example 1:
referring to fig. 1-2, a foundation pit supporting baffle structure based on BIM technique, including a plurality of H type supporting steel piles 5, be provided with first fender and second fender between two adjacent H type supporting steel piles 5, the one end of first fender and second fender is connected with two adjacent H type supporting steel piles 5 respectively, the other end of second fender is pressed and is established on the other end surface of first fender, and the second fender is pressed and is established and be provided with square steel 3 in the position department on first fender surface, set up between square steel 3 and first fender and the second fender and screw 6, can carry out quick concatenation equipment to first fender and second fender.
First retaining wall and second retaining wall's structure is unanimous, first retaining wall and second retaining wall all include retaining wall 1 and angle steel 2, angle steel 2 can make the junction of first retaining wall and second retaining wall more stable, increase the intensity of junction, retaining wall 1 is the arc setting, angle steel 2 is located the surface that retaining wall 1 arches one side, retaining wall 1 and angle steel 2 welded fastening, two retaining wall 1 concatenations in first retaining wall and the second retaining wall form the arch, the arch has good resistance to compression effect, non-deformable makes the retaining wall structural stability of concatenation better, angle steel 2's cross-section is the L type setting, the through hole has been seted up on angle steel 2 and retaining wall 1's junction surface, so that screw 6 passes from the through hole department and is connected between the square steel 3, square steel 3 is located between two angle steel 2 of first retaining wall and second retaining wall, square steel 3 corresponds the position and is provided with mantle fiber 4, the below of retaining wall 1 is provided with screw 6, the one end of 6 passes two retaining wall on the first retaining wall and the second retaining wall and is connected between two angle steel 2 of second retaining wall, the screw 3 is located between two angle steel 2 of first retaining wall and the second retaining wall, the screw 4, and the second retaining wall, it is connected with the H bolt 1 to realize that the screw thread connection between the retaining wall and the bolt 1 and the whole bolt connection of the retaining wall, it is connected with the H type to the retaining wall, it is connected to the H to the bolt, it is connected to the H type to the retaining wall 1, it is connected to realize that the bolt 1 and the bolt, it is connected to the H to be connected between 5, it is connected to be connected between the H type to the retaining wall, it is connected to the H type to the bolt 1 and the bolt, it is connected between the bolt, it is connected to be convenient to the bolt 1.
A foundation pit supporting baffle construction method based on a BIM technology comprises the following steps:
s1, typesetting the supporting steel piles by utilizing a BIM technology according to the side line of the foundation pit, and determining the number of required retaining plates 1 of the foundation pit support;
s2, manufacturing and processing according to the soil retaining plate specification generated by the BIM technology, and welding 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 through a screw 6;
and S4, after the foundation pit construction is finished, removing the screws 6, drawing out the square steel 3, and removing the supporting baffle.
Example 2:
in a certain urban hospital project, the buried depth of a foundation pit is 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 the gap between the H-shaped steel adopts a wood template with the thickness of 12mm as a soil retaining plate. Because the effect of adopting the plank sheathing to keep off soil is not good, be difficult to carry out reuse after the template uses and cause the material extravagant, and the later stage is demolishd comparatively difficultly.
The invention relates to a BIM technology, wherein the BIM technology is applied to typeset the position of an H-shaped support steel pile 5 of a foundation pit, and a steel baffle is processed and shaped in a factory, so that the soil retaining effect of the foundation pit support is ensured, the material waste is reduced, and the demolition efficiency is improved.
1. The BIM technology is utilized to typeset the foundation pit H-shaped steel piles 5, and the foundation pit H-shaped steel piles 5 are mainly divided into 3 parts.
1) And a standard section part. The steel pile spacing is 800mm.
2) And a corner part.
3) And other parts with special requirements.
2. And designing and composing the baffle structure between the section steel piles. (the invention is explained in terms of a standard segment position baffle design.)
3. The support 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 a 40mm angle steel 2.
4. And (3) assembling the two supporting baffle plates and the 40mm square steel 3, and fixing the joint by using a screw 6. The screws 6 are spaced 300mm apart.
5. And after the foundation pit construction is finished, removing the screws 6, drawing out the 40mm square steel 3 and removing the supporting baffle.
Example 3:
the invention aims to provide a template-a shaped steel template for a construction joint of a pipe gallery wall, which is mainly used for the construction of a vertical construction joint of a pipe gallery and improves the construction quality of the construction joint.
In order to smoothly implement the invention, the invention adopts the following technical scheme:
1. and (3) typesetting the H-shaped supporting steel piles by utilizing a BIM (building information modeling) technology according to the side line of the foundation pit, wherein the H-shaped supporting steel piles 5 of the foundation pit adopt 400mm H-shaped steel with the interval of 800mm, and the steel piles are vertically arranged along the side line of the foundation pit. And determining the number of the required retaining plates 1 for supporting the foundation pit.
2. Blanking is carried out according to the specification of the soil retaining plate 1 generated by the BIM technology, the width of each soil retaining plate 1 is 600mm, and the thickness of a steel plate is 4mm. And after the soil retaining plate 1 is processed, welding the soil retaining plate with 40-thick angle steel.
3. Adopt two blocks to keep off native board 1 concatenations between horizontal direction stake and form, set up 40 square steel 3 behind the native board 1, adopt screw 6 to be connected, 6 intervals 300mm of screw between square steel 3 and the native board of fender. The baffles in the vertical direction are mutually lapped, and the lapping length is 100mm.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a retaining wall structure for foundation ditch support based on BIM technique which characterized in that: strut piling bar (5) including a plurality of H types, be provided with first fender and second between piling bar (5) is strutted to two adjacent H types and strut the baffle, the baffle is strutted to first fender and second one end is strutted piling bar (5) with two adjacent H types respectively and is connected, the baffle is strutted to the second other end is pressed and is established the other end surface at first fender, just the baffle is strutted to the second and is pressed and establish and be provided with square steel (3) in the position department on first fender surface, square steel (3) and first fender and second strut and set up between the baffle with screw (6).
2. The foundation pit supporting baffle plate structure based on BIM technology as claimed in claim 1, wherein: the structure of the first supporting baffle and the structure of the second supporting baffle are consistent, and the first supporting baffle and the second supporting baffle both comprise a soil retaining plate (1) and angle steel (2).
3. The BIM technology-based foundation pit supporting baffle plate structure as claimed in claim 2, wherein: keep off native board (1) and be the arc setting, angle steel (2) are located and keep off the surface that native board (1) arch one side, keep off native board (1) and angle steel (2) welded fastening.
4. The BIM technology-based foundation pit supporting baffle plate structure as claimed in claim 3, wherein: two retaining plates (1) in the first retaining baffle and the second retaining baffle are spliced to form an arch.
5. The foundation pit supporting baffle structure and construction method based on BIM technology of claim 2, characterized in that: the cross section of angle steel (2) is the L type setting, the through hole has been seted up on angle steel (2) and the junction surface of retaining plate (1).
6. A foundation pit supporting baffle structure based on BIM technique of claim 5, characterized in that: the square steel (3) is located between two angle steels (2) of the first supporting baffle and the second supporting baffle, the square steel (3) is provided with a mantle fiber (4) at a position corresponding to the through hole, a screw (6) is arranged below the retaining plate (1), one end of the screw (6) penetrates through the two through holes in the first supporting baffle and the second supporting baffle and is in threaded connection with the mantle fiber (4).
7. The BIM technology-based foundation pit supporting baffle plate structure as claimed in claim 6, wherein: and the H-shaped supporting steel pile (5) is welded or bolted with one end of the retaining plate (1) in the first supporting baffle plate and the second supporting baffle plate to form a whole.
8. A foundation pit supporting baffle construction method based on a BIM technology is characterized by comprising the following steps: the method comprises the following steps:
s1, typesetting the supporting steel piles by utilizing a BIM technology according to the side line of the foundation pit, and determining the number of the required retaining plates (1) of the foundation pit support;
s2, manufacturing and processing according to the soil retaining plate specification generated by the BIM technology, after the processing is finished, the steel plate is welded with the angle steel (2) to form a supporting baffle;
s3, assembling the two supporting baffles through square steel (3), and fixing the joint through a screw (6);
and S4, after the foundation pit construction is finished, removing the screws (6), drawing out the square steel (3), and removing the supporting baffle.
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 |
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| Publication Number | Publication Date |
|---|---|
| CN115142429A true CN115142429A (en) | 2022-10-04 |
| CN115142429B 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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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 |
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| CN115142429B (en) | 2024-03-01 |
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