CN111236267A - Foundation pit slope supporting structure - Google Patents
Foundation pit slope supporting structure Download PDFInfo
- Publication number
- CN111236267A CN111236267A CN202010219634.1A CN202010219634A CN111236267A CN 111236267 A CN111236267 A CN 111236267A CN 202010219634 A CN202010219634 A CN 202010219634A CN 111236267 A CN111236267 A CN 111236267A
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- China
- Prior art keywords
- foundation ditch
- apron
- foundation pit
- inner casing
- foundation
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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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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
Abstract
The invention discloses a foundation pit side slope supporting structure, which belongs to the technical field of foundation pit supporting structures and is mainly technically characterized in that: the utility model provides a foundation ditch side slope supporting construction, is including setting up the apron on the foundation ditch outside side slope, the apron is kept away from the one end fixedly connected with of foundation ditch and is inserted to the intraformational outer baffle of foundation ditch slope soil, the apron other end is connected with the inner casing of attached foundation ditch inner wall, fixedly connected with mounting between inner casing and the foundation ditch inner wall, one side of foundation ditch is kept away from to the inner casing the guiding gutter has been seted up on the apron, the guiding gutter is connected with groundwater passageway, be provided with in the foundation ditch and connect the foundation ditch with the subassembly that draws water of guiding gutter. Through adopting above-mentioned scheme, the apron is pressed down at the fixed action of the inner casing and the outer baffle of both ends grafting to in the soil layer and is attached on the surface of foundation ditch side slope, realizes effectively preventing the side slope soil layer from taking place to slide, can shelter from at rainwater weather simultaneously, prevents that the soil layer from being excessively soaked and take place to sink.
Description
Technical Field
The invention relates to the technical field of foundation pit supporting structures, in particular to a foundation pit side slope supporting structure.
Background
Urban buildings usually relate to a large number of foundation pit projects, whether high-rise buildings or deep foundation pit projects of subways, are located in busy areas in cities, are relatively mature in peripheral matching, are basically constructed in place, and cannot damage peripheral buildings during construction; the construction method has the advantages that the reserved space in a construction area is narrow, the geological environment is complex, the construction limitation of a deep foundation pit is large, the construction quality control, safety guarantee and organization arrangement difficulty are large, the foundation pit support is generally a temporary measure, the safety reserve of a support structure is small, the risk is large, the economic index of the foundation pit engineering is harsh, the requirement on the surrounding environment is strict, and the contradiction between the temporary property and the economic property of the foundation pit engineering is prominent.
At present, for deep foundation pit slope support, a plurality of anchor rods, anchor bar bundles and the like are generally arranged in a slope, cement mortar is filled among the anchor rods, the anchor bar bundles and anchor rod holes, the anchor rods, the anchor bar bundles and peripheral discrete rock masses or soil and stone are ensured to be tightly and serially connected, and reinforcing mesh concrete is sprayed on the slope surface of the slope to achieve the purpose of slope stabilization. However, in foundation pit engineering in soft soil areas, the slope is prone to sliding instability after meeting water, and the traditional supporting structure is difficult to prevent the slope from sliding, particularly the top soil body, so that serious potential safety hazards are brought to the foundation pit engineering.
Disclosure of Invention
The invention aims to provide a foundation pit side slope supporting structure capable of effectively protecting a side slope.
The invention is realized by the following technical scheme:
the utility model provides a foundation ditch side slope supporting construction, is including setting up the apron on the foundation ditch outside side slope, the apron is kept away from the one end fixedly connected with of foundation ditch and is inserted to the intraformational outer baffle of foundation ditch slope soil, the apron other end is connected with the inner casing of attached foundation ditch inner wall, fixedly connected with mounting between inner casing and the foundation ditch inner wall, one side of foundation ditch is kept away from to the inner casing the guiding gutter has been seted up on the apron, the guiding gutter is connected with groundwater passageway, be provided with in the foundation ditch and connect the foundation ditch with the subassembly that draws water of guiding gutter.
Through adopting above-mentioned technical scheme, the apron is pegged graft to the fixed action of inner casing and outer baffle in the soil layer at both ends and is pushed down and attach on the surface of foundation ditch side slope, realize effectively preventing that the side slope soil layer from taking place to slide, can shelter from at rainwater weather simultaneously, it is excessively soaked and take place to sink to place the soil layer, and the bottom of apron is provided with the guiding gutter and can derives final entering groundwater system to the rainwater, furthermore, the inner casing can protect the foundation ditch inner wall, further promote the stability of foundation ditch, the subassembly that draws water that sets up then can take out the secret infiltration in the foundation ditch to the guiding gutter, realize making and can carry out effective drainage in the foundation ditch, guarantee the environment in the foundation ditch, make the construction go on smoothly.
Further setting the following steps: the both ends of apron all run through in vertical direction and have seted up the confession outer baffle and the spread groove that the inner casing passed, outer baffle with the top of inner casing all is provided with the butt the anticreep piece of apron.
Through adopting above-mentioned technical scheme, utilize the spread groove to make outer baffle and interior casing with realize the plug-in connection between the apron, the anticreep piece of outer baffle and interior casing tip makes outer baffle and interior casing can be stably connected at the apron both ends when simple swift, also makes whole convenient operation swift.
Further setting the following steps: the inner casing runs through on and sets up a plurality of inner walls and be the reinforcement hole that the helicitic texture, the mounting is threaded connection and passes the screw thread anchor strut in reinforcement hole, the one end that the spiral anchor strut inserted the foundation ditch inner wall is the toper setting, the other end of spiral anchor strut be provided with the butt head of inner casing butt.
Through adopting above-mentioned technical scheme, utilize the screw reinforcing rod further to strengthen the inseparable degree of being connected between the soil layer outside inner casing and the foundation ditch, and the toper setting of screw reinforcing rod tip will make in the screw reinforcing rod can swiftly rotate peg graft to the soil layer, make the operation convenient and fast more, the butt head then makes the screw reinforcing rod tip finally can with the inner casing butt, accomplish the reinforcement of inner casing.
Further setting the following steps: the inner casing has seted up the mounting groove on, the reinforcement hole runs through set up in the diapire of reinforcement hole, the mounting groove with the butt head size is unanimous.
Through adopting above-mentioned technical scheme, make the butt head can place in the mounting groove, and then avoid interior casing surface too much butt head arch and influence operating personnel normal work.
Further setting the following steps: the lower end of the outer baffle is arranged in a conical shape, the bottom of the inner guard plate is provided with a wedge-shaped part, and the distance between the lower end of the wedge-shaped part and the inner wall of the foundation pit is gradually reduced in the vertical direction until the inner guard plate is abutted against the inner wall of the foundation pit.
Through adopting above-mentioned technical scheme, the wedge portion of outer baffle and inner casing bottom will make both light more convenient when pegging graft to the soil layer, and wedge portion sets up simultaneously will make the inner casing will receive bigger resistance when removing to the direction of keeping away from the foundation ditch inner wall, and then the inner casing is more stable.
Further setting the following steps: the end face of the abutting joint head is provided with a multi-side groove used for rotating the abutting joint head.
Through adopting above-mentioned technical scheme, utilize many changeable grooves to make operating personnel can carry out convenient and fast's rotation butt head with the help of the multilateral pole that corresponds, and then with the swift convenient grafting of screw reinforcing rod to the soil layer in and with inner casing board threaded connection.
Further setting the following steps: the projection area of the notch of the water chute at the bottom of the water chute is smaller than the area of the bottom of the water chute.
By adopting the technical scheme, the space for the water guide groove to bear water is larger, and the water in the water guide groove is not easy to spill out of the water guide groove.
Further setting the following steps: the water pumping assembly comprises a water pumping pipe and a water pumping pump, wherein the top end of the water pumping pipe is communicated with the water guide groove, the lower end of the water pumping pipe extends to the bottom of the foundation pit, and the water pumping pipe is connected with the water pumping pump.
Through adopting above-mentioned technical scheme, utilize suction pump and drinking-water pipe to make infiltration ponding etc. in the foundation ditch can take out smoothly to the guiding gutter, convenient and fast, the foundation ditch construction of being convenient for.
In conclusion, the beneficial technical effects of the invention are as follows:
(1) reinforcing and protecting the side slope and the soil layer outside the foundation pit by utilizing the cover plate, the outer baffle and the inner guard plate so as to prevent the side slope from being infiltrated by rainwater and the like to cause collapse and realize effective support on the outer side of the foundation pit;
(2) the inner casing is consolidated the foundation ditch inner wall with the screw reinforcing rod on it, and then strengthens the overall stability of foundation ditch, and the subassembly that draws water simultaneously will arrange outward the infiltration in the foundation ditch for the foundation ditch has good internal environment, guarantees that the construction can go on smoothly.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Reference numerals: 1. a cover plate; 2. an outer baffle; 3. an inner sheathing; 4. a water chute; 5. connecting grooves; 6. an anti-drop block; 7. a wedge portion; 8. a threaded reinforcing rod; 9. a butting head; 10. mounting grooves; 11. a water pumping pipe; 12. a water pump.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the foundation pit side slope supporting structure disclosed by the invention comprises a cover plate 1 arranged on an inclined side slope outside a foundation pit, wherein one end of the cover plate 1, which is far away from the foundation pit, is fixedly connected with an outer baffle 2 inserted into a foundation pit inclined slope soil layer, the other end of the cover plate 1 is connected with an inner guard plate 3 attached to the inner wall of the foundation pit, a fixing part is fixedly connected between the inner guard plate 3 and the inner wall of the foundation pit, a water guide groove 4 is formed in the cover plate 1, which is far away from the foundation pit, on one side of the inner guard plate 3, the water guide groove 4 is connected.
Wherein, the both ends of apron 1 all run through in vertical direction and offer the spread groove 5 that supplies outer baffle 2 and inner casing 3 to pass, and break away from apron 1 for avoiding outer baffle 2 and inner casing 3, the top of outer baffle 2 and inner casing 3 all is provided with the anticreep piece 6 of butt apron 1. Simultaneously, the low side of outer baffle 2 is the toper setting, and inner casing 3 bottom is provided with wedge portion 7, and the distance between 7 low sides of wedge portion and the foundation ditch inner wall reduces gradually until inner casing 3 and foundation ditch inner wall butt in vertical direction. The outer baffle 2 and the inner guard plate 3 are connected with the cover plate 1 in an inserting manner by utilizing the connecting groove 5, the outer baffle 2 and the inner guard plate 3 can be stably connected with two ends of the cover plate 1 by the anti-falling blocks 6 at the end parts of the outer baffle 2 and the inner guard plate 3, and the whole operation is convenient and fast; the wedge portion 7 of outer baffle 2 and 3 bottoms of inner casing then will make both light more convenient when pegging graft to the soil layer, and wedge portion 7 sets up simultaneously will make inner casing 3 will receive bigger resistance when removing to the direction of keeping away from the foundation ditch inner wall, and then is that inner casing 3 is more stable.
In addition, run through on the inner casing 3 and seted up the reinforcement hole that a plurality of inner walls are thread structure, the mounting is threaded connection and passes the screw thread anchor strut 8 in reinforcement hole, and the one end that the spiral anchor strut inserted the foundation ditch inner wall is the toper setting, and the other end of spiral anchor strut is provided with the butt head 9 with the 3 butts of inner casing. Meanwhile, the inner guard plate 3 is provided with a mounting groove 10, the reinforcing hole penetrates through the bottom wall of the reinforcing hole, and the mounting groove 10 is consistent with the abutting joint 9 in size. The end surface of the abutting head 9 is provided with a polygonal groove for rotating the abutting head 9. Utilize the multiple groove to make operating personnel can carry out convenient and fast's rotation butt head 9 with the help of the multilateral pole that corresponds, and then with the swift convenient grafting of screw reinforcing rod 8 to the soil layer in and with 3 threaded connection of inner casing.
The water pumping assembly comprises a water pumping pipe 11 and a water pumping pump, wherein the top end of the water pumping pipe is communicated with the water guide groove 4, the lower end of the water pumping pipe extends to the bottom of the foundation pit with the foundation pit, the water pumping pipe 11 is connected with the water pumping pump, meanwhile, the projection area of the notch of the water guide groove 4 at the bottom of the water guide groove 4 is smaller than the area of the bottom of the water guide groove 4, so that the space for the water guide groove 4 to bear water is larger, and the water in the water guide groove 4 is not.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (8)
1. The utility model provides a foundation ditch side slope supporting construction which characterized in that: including setting up apron (1) on foundation ditch outside side slope, the one end fixedly connected with plug-in connection of foundation ditch slope soil bed internal outer baffle (2) are kept away from in apron (1), apron (1) other end is connected with inner casing (3) of attached foundation ditch inner wall, fixedly connected with mounting between inner casing (3) and the foundation ditch inner wall, one side of foundation ditch is kept away from in inner casing (3) aqueduct (4) have been seted up on apron (1), aqueduct (4) are connected with the groundwater passageway, be provided with in the foundation ditch and connect the foundation ditch with the subassembly that draws water of aqueduct (4).
2. A foundation pit slope supporting construction according to claim 1, characterized in that: both ends of apron (1) all run through in the vertical direction and have seted up the confession outer baffle (2) and spread groove (5) that inner casing (3) passed, outer baffle (2) with the top of inner casing (3) all is provided with the butt the anticreep piece (6) of apron (1).
3. A foundation pit slope supporting construction according to claim 2, characterized in that: run through on inner casing (3) and seted up a plurality of inner walls and be the reinforcement hole that screw structure, the mounting is threaded connection and passes the screw thread anchor strut (8) of reinforcement hole, the one end that the spiral anchor strut inserted the foundation ditch inner wall is the toper setting, the other end of spiral anchor strut be provided with butt head (9) of inner casing (3) butt.
4. A foundation pit slope supporting construction according to claim 2, characterized in that: the inner guard plate (3) is provided with a mounting groove (10), the reinforcing hole penetrates through the bottom wall of the reinforcing hole, and the mounting groove (10) is consistent with the size of the abutting joint (9).
5. A foundation pit slope supporting construction according to claim 1, characterized in that: the lower end of the outer baffle (2) is in a conical arrangement, the bottom of the inner guard plate (3) is provided with a wedge-shaped part (7), and the distance between the lower end of the wedge-shaped part (7) and the inner wall of the foundation pit is gradually reduced in the vertical direction until the inner guard plate (3) is abutted to the inner wall of the foundation pit.
6. A foundation pit slope supporting construction according to claim 1, characterized in that: the end surface of the abutting joint head (9) is provided with a polygonal groove for rotating the abutting joint head (9).
7. A foundation pit slope supporting construction according to claim 1, characterized in that: the projection area of the notch of the water chute (4) at the bottom of the water chute (4) is smaller than the area of the bottom of the water chute (4).
8. A foundation pit slope supporting construction according to claim 1, characterized in that: the water pumping assembly comprises a water pumping pipe (11) and a water pump (12), wherein the top end of the water pumping pipe is communicated with the water guide groove (4), the lower end of the water pumping pipe extends to the bottom of the foundation pit, and the water pumping pump is connected with the water pumping pipe (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010219634.1A CN111236267A (en) | 2020-03-25 | 2020-03-25 | Foundation pit slope supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010219634.1A CN111236267A (en) | 2020-03-25 | 2020-03-25 | Foundation pit slope supporting structure |
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| Publication Number | Publication Date |
|---|---|
| CN111236267A true CN111236267A (en) | 2020-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010219634.1A Pending CN111236267A (en) | 2020-03-25 | 2020-03-25 | Foundation pit slope supporting structure |
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| Country | Link |
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| CN (1) | CN111236267A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100950683B1 (en) * | 2009-08-21 | 2010-03-31 | 이인귀 | A pedestal possible regulate an angle |
| CN204898683U (en) * | 2015-08-10 | 2015-12-23 | 深圳市科源建设集团有限公司 | Underground structure of high strength |
| CN208594560U (en) * | 2018-06-12 | 2019-03-12 | 河北中鸣建筑工程有限公司 | A kind of foundation pit stope support structure |
| CN209293041U (en) * | 2018-11-13 | 2019-08-23 | 浙江亿达建设有限公司 | A kind of construction foundation pit protection prefabricated component |
-
2020
- 2020-03-25 CN CN202010219634.1A patent/CN111236267A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100950683B1 (en) * | 2009-08-21 | 2010-03-31 | 이인귀 | A pedestal possible regulate an angle |
| CN204898683U (en) * | 2015-08-10 | 2015-12-23 | 深圳市科源建设集团有限公司 | Underground structure of high strength |
| CN208594560U (en) * | 2018-06-12 | 2019-03-12 | 河北中鸣建筑工程有限公司 | A kind of foundation pit stope support structure |
| CN209293041U (en) * | 2018-11-13 | 2019-08-23 | 浙江亿达建设有限公司 | A kind of construction foundation pit protection prefabricated component |
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Application publication date: 20200605 |