CN114396056A - Protective structure for geotechnical engineering foundation pit reinforcement - Google Patents
Protective structure for geotechnical engineering foundation pit reinforcement Download PDFInfo
- Publication number
- CN114396056A CN114396056A CN202210118399.8A CN202210118399A CN114396056A CN 114396056 A CN114396056 A CN 114396056A CN 202210118399 A CN202210118399 A CN 202210118399A CN 114396056 A CN114396056 A CN 114396056A
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- bounding wall
- coaming
- base
- guide rail
- side coaming
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- 230000001681 protective effect Effects 0.000 title claims abstract description 16
- 230000002787 reinforcement Effects 0.000 title claims description 14
- 238000012545 processing Methods 0.000 claims description 6
- 238000010276 construction Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 6
- 238000009412 basement excavation Methods 0.000 description 3
- 238000009435 building construction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- 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
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The utility model provides a protective structure for geotechnical engineering foundation ditch is consolidated, includes lower part base, upper portion base and stand, upper portion base lower surface and lower part base upper surface all set up left side bounding wall guide rail, right side bounding wall guide rail, preceding side bounding wall guide rail and back side bounding wall guide rail, are connected through a plurality of stands between upper portion base and the lower part base, follow the bolt hole has been seted up to the axial equidistant of stand, and the outer disc cover of stand is equipped with the sleeve, is located and symmetrically installs respectively on a plurality of sleeves of two stands in the middle of being used for with left side bounding wall and right side bounding wall fixed connection's left side hydraulic telescoping rod and right side hydraulic telescoping rod, is located and installs respectively on a plurality of sleeves of two stands at edge and is used for with front side bounding wall and back side bounding wall fixed connection's front side hydraulic telescoping rod and rear side hydraulic telescoping rod. The invention can ensure the strength and stability of the foundation by analyzing the geological conditions and the natural environment on the construction site.
Description
Technical Field
The invention belongs to the technical field of foundation pit reinforcement and protection, and particularly relates to a protective structure for geotechnical engineering foundation pit reinforcement.
Background
The foundation pit supporting and reinforcing of geotechnical engineering is a reinforcing and protecting measure which is adopted to adopt proper and reliable retaining for the side wall of the foundation pit and the surrounding environment so as to ensure the safety of the underground structure construction and the surrounding environment of the foundation pit under construction or to be constructed.
The supporting structure of the foundation pit support is determined by comprehensive analysis of economy, technology and environment according to the surrounding environment of the foundation pit, the conditions of an underground structure, the excavation depth of the foundation pit, engineering geology and hydrogeology conditions, construction seasons, regional engineering experience and the like. The geotechnical engineering has high requirement conditions on the foundation pit, needs to apply test means and methods to investigate and research a building site, needs to analyze and judge geological conditions and natural environment of a building construction site, and ensures the strength and stability of the foundation and measures for preventing the foundation from generating unallowable deformation.
When need incessant construction in the foundation ditch protection process, prevent to appear in the foundation ditch work progress that the phenomenon of collapsing need make foundation ditch drainage work, in foundation ditch excavation and work progress, need consider the precipitation problem of foundation ditch simultaneously. Based on the search of the prior patent and the discovery of the equipment in the prior art, the support rod has many defects and limitations during supporting, such as the connection problem of the hinge and the ground during supporting; when the supporting and protecting plate is used for supporting, top landslide or accumulated water is easy to be discharged. Geotechnical engineering relates to life safety, has high requirement conditions for foundation pits, and needs to analyze and judge geological conditions and natural environment of a building construction site. Therefore, the foundation pit supporting becomes a key problem to be solved urgently in the existing foundation pit excavation process.
At present, the patent research on schemes such as specific engineering geological conditions, surrounding environments, foundation pit types or high slope deep foundation pit support is wide, but a practical method which is safe, reliable, economical, reasonable, transverse, vertical and lateral support protection scheme is selected according to special geological environments or complex natural environments is rare.
Disclosure of Invention
The invention aims to provide a protective structure for strengthening a geotechnical engineering foundation pit. The mechanism and the method provided by the scheme are simple and convenient to operate, economic and safe, have small influence on the surrounding environment of the foundation pit, can firmly and reliably reinforce and protect the foundation pit of geotechnical engineering, and have important effects on reducing the displacement of the enclosure structure, protecting buildings and underground pipelines around the foundation pit, reducing the displacement and the like.
In order to achieve the purpose, the invention adopts the following technical scheme:
a protective structure for geotechnical engineering foundation pit reinforcement comprises a lower base, an upper base and stand columns, wherein a left side coaming guide rail, a right side coaming guide rail, a front side coaming guide rail and a rear side coaming guide rail are arranged on the lower surface of the upper base and the upper surface of the lower base respectively, the left side coaming, the right side coaming, the front side coaming and the rear side coaming are positioned between the upper base and the lower base, the upper end and the lower end of the left side coaming are respectively matched with the left side coaming guide rails on the upper base and the lower base, the upper end and the lower end of the right side coaming are respectively matched with the right side coaming guide rails on the upper base and the lower base, the upper end and the lower end of the front side coaming are respectively matched with the front side coaming guide rails on the upper base and the lower base, the upper base and the lower base are connected through the stand columns, follow the bolt hole has been seted up to the axial equidistant of stand, and the disc cover is equipped with the sleeve outside the stand, fixes the sleeve on the stand through inserting the bolt downthehole, and the symmetry is installed respectively on a plurality of sleeves of two stands in the middle of being located and is used for left side bounding wall and right side bounding wall fixed connection's left side hydraulic telescoping rod and right side hydraulic telescoping rod, installs respectively on a plurality of sleeves of two stands that are located the edge and is used for front side bounding wall and rear side bounding wall fixed connection's front side hydraulic telescoping rod and rear side hydraulic telescoping rod.
The lower surface of the lower base is provided with wheels, and the upper surface of the upper base is symmetrically provided with hanging rings.
The left side bounding wall, right side bounding wall, front side bounding wall and back bounding wall structure are the same, constitute by lower part bounding wall, a plurality of middle part bounding wall and upper portion bounding wall, middle part bounding wall one end processing has the slot, and one end processing has the inserted block, and lower part bounding wall and upper portion bounding wall grafting end processing have slot or inserted block, and lower part bounding wall, middle part bounding wall and upper portion bounding wall loop through slot and inserted block cooperation grafting connection.
The beneficial technical effects of the invention are as follows:
in the design of the protective supporting structure, aiming at the geological conditions of a construction site and the analysis of natural environment, the invention can achieve the scheme of ensuring the strength and the stability of the foundation so as not to cause the foundation to deform too much, thereby improving the stability of the supporting system.
The whole supporting system adopts the appearance of the vehicle body, and the hanging ring is arranged on the upper base, so that the moving and the carrying are convenient. The coaming can move outwards and also can shrink, so that the space occupied by the whole system is reduced, and the position of the coaming can be adjusted according to the width of the foundation pit, so that the coaming is tightly attached to the enclosure soil body.
The upright post of the protection structure is provided with the sliding sleeve which can slide along the axis of the upright post, the upright post is provided with the bolt hole to lock the position of the sleeve, and the flange plates are arranged at the two ends of the upright post so as to increase the overall length of the upright post, so that the protection structure can be set according to the specific environment of a construction site, and the protection structure is simple to operate, safe and reliable.
The upper enclosing plate, the middle enclosing plate and the lower enclosing plate are in butt joint connection in a slot and insert block mode, so that the purpose of increasing the heights of the front, back, left and right enclosing plates is achieved. The coaming material can select for use the composite sheet, be the steel sheet material around promptly, the middle part is the coaming that more compact grid net constitutes, and it can reduce whole braced system's dead weight, is favorable to site operation and transport.
Drawings
FIG. 1 is a front view of a protective structure for geotechnical engineering foundation pit reinforcement of the present invention;
FIG. 2 is a side view of the protective structure for geotechnical engineering pit reinforcement of the present invention;
FIG. 3 is a top view of the protective structure for geotechnical engineering pit reinforcement of the present invention;
FIG. 4 is a schematic diagram of a coaming of a protective structure for geotechnical engineering foundation pit reinforcement according to the present invention;
1-vehicle wheels; 2-a lower base; 3-lower enclosing plate; 4-upper coaming; 5-upper base; 6-hoisting rings; 7-upright post; 8-a bolt; 9-a sleeve; 10-bolt holes; 11-hydraulic telescopic rod; 12-a cross brace cross bar; 13-middle coaming; 14-left coaming guide rail, 15-right coaming guide rail, 16-front coaming guide rail and 17-rear coaming guide rail.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in figures 1 to 4, the protective structure for geotechnical engineering foundation pit reinforcement comprises a lower base 2, an upper base 5 and upright posts 7, wherein a left side coaming guide rail 14, a right side coaming guide rail 15, a front coaming guide rail 16 and a rear coaming guide rail 17 are arranged on the lower surface of the upper base 5 and the upper surface of the lower base 2, the left side coaming, the right side coaming, the front coaming and the rear coaming are positioned between the upper base 5 and the lower base 2, the upper end and the lower end of the left side coaming are respectively matched with the left side coaming guide rail 14 on the upper base 5 and the lower base 2, the upper end and the lower end of the right side coaming are respectively matched with the right side coaming guide rail 15 on the upper base 5 and the lower base 2, the upper end and the lower end of the front coaming are respectively matched with the front coaming guide rail 16 on the upper base 5 and the lower base 2, the upper end and the lower end of the rear coaming are respectively matched with the rear coaming guide rail 17 on the upper base 5 and the lower base 2, the upper base 5 and the lower base 2 are connected through a plurality of stand columns 7, connecting flanges are arranged at two ends of each stand column 7, the stand columns 7 are respectively and fixedly installed with the upper base 5 and the lower base 2 through the connecting flanges and bolts arranged at two ends of each stand column 7, the connecting flanges are arranged at two ends of each stand column 7, and the plurality of stand columns 7 are vertically connected into a whole to adapt to different heights through specific construction conditions; follow bolt hole 10 has been seted up to the axial equidistant of stand 7, 7 outer disc covers of stand are equipped with sleeve 9, fix sleeve 9 on stand 7 through inserting bolt 8 in bolt hole 10, sleeve 9 adopts the form of ferrule on stand 7, convenient dismantlement, be located on a plurality of sleeves 9 of two middle stands 7 respectively the symmetry install be used for with left side bounding wall and right side bounding wall welded left side hydraulic telescoping rod 11 and right side hydraulic telescoping rod 11, be located and install respectively on a plurality of sleeves 9 of two marginal stands 7 be used for with front side bounding wall and rear side bounding wall welded front side hydraulic telescoping rod 11 and rear side hydraulic telescoping rod 11, hydraulic telescoping rod 11 front end is installed the cross and is propped horizontal pole 12, prop horizontal pole 12 through the cross and pass through bolted connection with the bounding wall. The piston rod of the hydraulic telescopic rod 11 extends to push the enclosing plate to move outwards along the guide rail until the enclosing plate is in close contact with the wall of the foundation pit, so that the aim of supporting is fulfilled.
The supporting system consisting of the hydraulic telescopic rod 11, the sleeve 9, the upright post 7, the cross-shaped supporting cross rod 12, the lower enclosing plate 3 and the upper enclosing plate 4 can be suitable for foundation pit supporting with similar size and size, and the supporting distance can also be properly adjusted.
The lower surface of the lower base 2 is provided with wheels 1, and the upper surface of the upper base 5 is symmetrically provided with hanging rings 6.
The left side coaming, the right side coaming, the front side coaming and the rear coaming are identical in structure and are all composed of a lower coaming 3, a plurality of middle coamings 13 and an upper coaming 4, one end of each middle coaming 13 is provided with a slot, the other end of each middle coaming is provided with an insert block, the insertion ends of the lower coamings 3 and the upper coamings 4 are provided with slots or insert blocks, the lower coamings 3, the middle coamings 13 and the upper coamings 4 are sequentially connected in a matched and inserted manner through the slots and the insert blocks, and the height of the upright post 7 can be adapted by adjusting the number of the middle coamings 13, so that the support height can be adjusted; in this embodiment, the center shroud 13 is not provided.
A use method of a protective structure for geotechnical engineering foundation pit reinforcement comprises the following steps:
the protection structure is arranged at the bottom of the foundation pit, the position of the protection structure at the bottom of the foundation pit is adjusted through wheels, and the position of the protection structure is fixed after adjustment; hydraulic telescopic rod 11 is started, the piston rod extends to push the corresponding left coaming, the right coaming, front coaming and back coaming are respectively along left coaming guide rail 14, right coaming guide rail 15, front coaming guide rail 16 and back coaming guide rail 17 move outwards and are tightly pushed on the foundation pit wall, when the left coaming, the right coaming, front coaming and back coaming are tightly pushed on the foundation pit wall, the left coaming guide rail 14 corresponding to the front coaming guide rail and the back coaming guide rail can not be supported by hydraulic telescopic rod 11, right coaming guide rail 15, front coaming guide rail 16 and back coaming guide rail 17 are separated from each other. When the foundation pit wall does not need to be supported, the piston rod is retracted to drive the corresponding left coaming, right coaming, front coaming and rear coaming to move outwards and return to the initial positions along the left coaming guide rail 14, the right coaming guide rail 15, the front coaming guide rail 16 and the rear coaming guide rail 17 respectively.
Claims (3)
1. A protective structure for geotechnical engineering foundation pit reinforcement is characterized by comprising a lower base, an upper base and stand columns, wherein a left side coaming guide rail, a right side coaming guide rail, a front side coaming guide rail and a rear side coaming guide rail are arranged on the lower surface of the upper base and the upper surface of the lower base respectively, the left side coaming, the right side coaming, the front side coaming and the rear side coaming are positioned between the upper base and the lower base, the upper end and the lower end of the left side coaming are respectively matched with the left side coaming guide rails on the upper base and the lower base, the upper end and the lower end of the right side coaming are respectively matched with the right side coaming guide rails on the upper base and the lower base, the upper end and the lower end of the rear side coaming are respectively matched with the rear side coaming guide rails on the upper base and the lower base, and the upper base and the lower base are connected through the stand columns, follow the bolt hole has been seted up to the axial equidistant of stand, and the disc cover is equipped with the sleeve outside the stand, fixes the sleeve on the stand through inserting the bolt downthehole, and the symmetry is installed respectively on a plurality of sleeves of two stands in the middle of being located and is used for left side bounding wall and right side bounding wall fixed connection's left side hydraulic telescoping rod and right side hydraulic telescoping rod, installs respectively on a plurality of sleeves of two stands that are located the edge and is used for front side bounding wall and rear side bounding wall fixed connection's front side hydraulic telescoping rod and rear side hydraulic telescoping rod.
2. The protective structure for geotechnical engineering foundation pit reinforcement according to claim 1, wherein: the lower surface of the lower base is provided with wheels, and the upper surface of the upper base is symmetrically provided with hanging rings.
3. The protective structure for geotechnical engineering foundation pit reinforcement according to claim 1, wherein: the left side bounding wall, right side bounding wall, front side bounding wall and back bounding wall structure are the same, constitute by lower part bounding wall, a plurality of middle part bounding wall and upper portion bounding wall, middle part bounding wall one end processing has the slot, and one end processing has the inserted block, and lower part bounding wall and upper portion bounding wall grafting end processing have slot or inserted block, and lower part bounding wall, middle part bounding wall and upper portion bounding wall loop through slot and inserted block cooperation grafting connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210118399.8A CN114396056A (en) | 2022-02-08 | 2022-02-08 | Protective structure for geotechnical engineering foundation pit reinforcement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210118399.8A CN114396056A (en) | 2022-02-08 | 2022-02-08 | Protective structure for geotechnical engineering foundation pit reinforcement |
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| Publication Number | Publication Date |
|---|---|
| CN114396056A true CN114396056A (en) | 2022-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210118399.8A Pending CN114396056A (en) | 2022-02-08 | 2022-02-08 | Protective structure for geotechnical engineering foundation pit reinforcement |
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| Country | Link |
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| CN (1) | CN114396056A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114908817A (en) * | 2022-05-09 | 2022-08-16 | 广东合盛建筑工程有限公司 | Building engineering foundation pit monitoring system and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR970062555U (en) * | 1996-05-15 | 1997-12-11 | 김기중 | Car protective fence with built-in wire rope |
| CN109252530A (en) * | 2018-11-19 | 2019-01-22 | 淮阴工学院 | A kind of base pit engineering support safeguard and its application method |
| CN111827305A (en) * | 2020-07-31 | 2020-10-27 | 中信国安建工集团有限公司 | Anti-damage reinforcing mechanism and method for geotechnical engineering |
| CN111945744A (en) * | 2020-08-20 | 2020-11-17 | 张涛 | Connecting structure of foundation pit stand column and foundation pit bidirectional support |
| CN213114660U (en) * | 2020-07-24 | 2021-05-04 | 李学龙 | Multi-line three-dimensional crossing abnormal-shaped deep foundation pit supporting structure |
| CN214246886U (en) * | 2020-12-21 | 2021-09-21 | 袁广银 | Quick detachable construction rail |
| CN214573996U (en) * | 2021-02-20 | 2021-11-02 | 甘肃省交通规划勘察设计院股份有限公司 | A green supporting device for foundation ditch precipitation engineering |
-
2022
- 2022-02-08 CN CN202210118399.8A patent/CN114396056A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR970062555U (en) * | 1996-05-15 | 1997-12-11 | 김기중 | Car protective fence with built-in wire rope |
| CN109252530A (en) * | 2018-11-19 | 2019-01-22 | 淮阴工学院 | A kind of base pit engineering support safeguard and its application method |
| CN213114660U (en) * | 2020-07-24 | 2021-05-04 | 李学龙 | Multi-line three-dimensional crossing abnormal-shaped deep foundation pit supporting structure |
| CN111827305A (en) * | 2020-07-31 | 2020-10-27 | 中信国安建工集团有限公司 | Anti-damage reinforcing mechanism and method for geotechnical engineering |
| CN111945744A (en) * | 2020-08-20 | 2020-11-17 | 张涛 | Connecting structure of foundation pit stand column and foundation pit bidirectional support |
| CN214246886U (en) * | 2020-12-21 | 2021-09-21 | 袁广银 | Quick detachable construction rail |
| CN214573996U (en) * | 2021-02-20 | 2021-11-02 | 甘肃省交通规划勘察设计院股份有限公司 | A green supporting device for foundation ditch precipitation engineering |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114908817A (en) * | 2022-05-09 | 2022-08-16 | 广东合盛建筑工程有限公司 | Building engineering foundation pit monitoring system and device |
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