CN215441919U - Internal supporting structure of foundation pit - Google Patents
Internal supporting structure of foundation pit Download PDFInfo
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- CN215441919U CN215441919U CN202120476815.2U CN202120476815U CN215441919U CN 215441919 U CN215441919 U CN 215441919U CN 202120476815 U CN202120476815 U CN 202120476815U CN 215441919 U CN215441919 U CN 215441919U
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- reinforced concrete
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- foundation pit
- support frame
- reinforcing rib
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Abstract
The utility model discloses a supporting structure in a foundation pit, which comprises a base, the foundation pit and a reinforced concrete enclosure wall, the foundation pit is vertically arranged on the foundation ground, the reinforced concrete enclosure wall is arranged on the pit wall of the foundation pit, a column pile is vertically arranged in the base at the central position of the bottom of the foundation pit, an upright column is vertically arranged on the column pile, a pair of supporting tubes I with the same height are horizontally fixed above the upright column, the pair of supporting tubes I are respectively positioned at two sides of the upright column, two ends of the pair of supporting tubes I are respectively connected with a supporting alloy plate, a reinforced concrete supporting frame I is arranged below the pair of supporting tubes I along the length direction, two ends of the concrete supporting frame I are connected with a reinforced concrete enclosure wall, the bottom of the reinforced concrete support frame is provided with an arched hole, a second vertical reinforcing rib is inserted into the first reinforced concrete support frame, and the bottoms of the second reinforcing ribs penetrate through the first reinforced concrete support frame and penetrate through the concrete enclosure to be connected with the reinforcing ribs in an integrated mode.
Description
Technical Field
The utility model relates to the technical field of foundation pits, in particular to an internal supporting structure of a foundation pit.
Background
Before the construction of the building engineering, the soil pit is excavated at the designed position of the foundation according to the elevation of the foundation and the plane size of the foundation, namely the foundation pit, the deformation of the pit wall of the foundation pit must be ensured, the collapse is avoided, the safety of constructors and the stability of the whole construction process are ensured, the rapid development of the urbanization construction of China in the present year is realized, the quantity of building groups is increased, the foundation pit is pulled out from the ground, the deeper the foundation pit is excavated, the larger the excavation is, the higher the requirement on the support is, and the difficulty is increased. The pit wall form of the foundation pit is divided into a vertical pit wall, a slope, a step-shaped pit wall and a variable-gradient pit wall.
Chinese patent CN201821236534.4 proposes a foundation pit internal supporting structure, which comprises a base, a foundation pit and a reinforced concrete enclosure wall, wherein the foundation pit is vertically arranged on the base, the reinforced concrete enclosure wall is arranged on the inner wall of the foundation pit, and a plurality of first reinforcing ribs are vertically arranged in the reinforced concrete enclosure wall, and the foundation pit internal supporting structure is characterized in that a column pile is vertically arranged in the base at the bottom of the foundation pit, the top of the column pile is vertically connected with a stand column, the stand column is provided with a plurality of supporting devices at equal intervals from bottom to top, each supporting device comprises a sleeve sleeved on the stand column, the sleeve and the stand column are fixedly connected through a plurality of locking bolts, two ends of the sleeve are symmetrically and horizontally connected with connecting pipes, one sides of the two connecting pipes, which are far away from each other, are connected with fixing plates, and fixing rings are welded on the first reinforcing ribs at the corresponding positions of the fixing plates, the reinforcing device comprises a fixing ring and a fixing plate, the fixing ring is connected with the fixing plate through a plurality of fixing bolts, the two sides of the foundation pit are symmetrically provided with reinforcing devices, each reinforcing device comprises a vertical fixing hole formed in the base, a third reinforcing rib is inserted into the fixing hole, the surface of each third reinforcing rib is wrapped by a concrete fixing column, a plurality of connecting through holes are formed between the fixing holes and the foundation pit, a second reinforcing rib is inserted into the connecting through holes, the two ends of each second reinforcing rib are connected to the first reinforcing rib and the third reinforcing rib respectively, and concrete connecting columns are wrapped on the surface of each second reinforcing rib.
In the structure, the pit wall of the foundation pit is obliquely arranged, the connecting pipe is used for supporting the pit wall of the foundation pit, the length of the connecting pipe above the pit wall is larger than that of the connecting pipe below the pit wall, and the connecting pipe is not supported or protected in the radial direction.
SUMMERY OF THE UTILITY MODEL
The utility model aims to support a foundation pit through a support pipe, and simultaneously support and protect the support pipe in the radial direction, so that the fracture of a connecting pipe is avoided, and the foundation pit has better support effect and stability.
In order to solve the technical problems, the utility model adopts the following technical scheme: a supporting structure in a foundation pit comprises a base, the foundation pit and a reinforced concrete enclosure wall, wherein the foundation pit is vertically arranged on the ground, the pit wall of the foundation pit is obliquely arranged, the bottom of the foundation pit is small in size, the reinforced concrete enclosure wall is installed on the pit wall of the foundation pit, a vertical column pile is vertically installed in the base at the center of the bottom of the foundation pit, a vertical column is vertically installed at the top of the vertical column pile, a first reinforcing rib which is transversely and vertically staggered is inserted in the reinforced concrete enclosure wall, a first supporting tube pair with the same height is horizontally fixed above the vertical column, the first supporting tube pair is respectively located on two sides of the vertical column, two ends of the first supporting tube pair are respectively connected with a supporting alloy plate, a first reinforced concrete supporting frame is arranged below the first supporting tube along the length direction, and two ends of the first reinforced concrete supporting frame are connected with the reinforced concrete enclosure wall, the reinforced concrete supporting frame is characterized in that an arch-shaped hole is formed in the bottom of the reinforced concrete supporting frame, a vertical reinforcing rib II is inserted into the reinforced concrete supporting frame I, and the bottoms of the reinforcing ribs II penetrate through the reinforced concrete enclosing wall and then are connected with the reinforcing ribs in an integrated manner
Technical scheme more than adopting, the reinforced concrete enclosure is installed on the pithead of foundation ditch, the reinforcing effect, prevent that the pithead from warping and collapsing, the structural strength of reinforced concrete enclosure is further strengthened to strengthening rib one, prevent that the enclosure from warping, set up stay tube one through the stand, it is inseparabler to make it laminate with the pithead with the inboard reinforced concrete enclosure of bracing tube one from, set up reinforced concrete support frame one, when concentrated stress is received at the top, the arch can be with the reinforced concrete enclosure transmission of atress to both sides, to the radial support of stay tube one, avoid the fracture of stay tube one atress deformation, can also further support further to reinforced concrete enclosure simultaneously, set up strengthening rib two and strengthening rib body coupling, the structural wall degree of support frame one has not only been strengthened, the joint strength of stay tube one and reinforced concrete enclosure has still been strengthened.
As a further optimization of the utility model, the inner side wall of the reinforced concrete enclosure is further provided with a groove, a supporting alloy plate matched with the groove is arranged in the groove, and the supporting alloy plate is welded with the reinforcing rib I.
By adopting the technical scheme, the reinforcing ribs which are staggered transversely and vertically have a supporting effect on the supporting alloy plate, the two ends of the supporting tube I are connected with the supporting alloy plate, the supporting alloy plate has higher strength and corrosion resistance, and the supporting tube is prevented from extruding and deforming the reinforced concrete enclosure wall for a long time.
As a further optimization of the utility model, a pair of supporting tubes II with the same height is horizontally fixed below the reinforced concrete supporting frame I on the upright column, the supporting tubes II are respectively positioned at two sides of the upright column, the supporting tubes II are vertically arranged with the supporting tubes I, a reinforced concrete supporting frame II is arranged below the supporting tubes II along the length direction, two ends of the reinforced concrete supporting frame II are connected with a reinforced concrete enclosure, the bottom of the reinforced concrete supporting frame II is provided with an arch-shaped hole, a vertical reinforcing rib III is inserted in the reinforced concrete supporting frame II, and the bottom of the reinforcing rib III penetrates through the reinforced concrete supporting frame II and the reinforced concrete enclosure and is then integrally connected with the reinforcing rib.
By adopting the technical scheme, the supporting tube II and the reinforced concrete support frame II are arranged, so that the supporting tube I and the reinforced concrete support frame I are supported, the reinforced concrete enclosing walls on four sides are supported, and the pit walls on four sides of the foundation pit play a role in supporting and reinforcing.
As a further optimization of the utility model, the first support tube and the upright post are fixedly connected through bolts, and the second support tube and the upright post are fixedly connected through bolts.
By adopting the technical scheme, the detachable connection is realized through the bolt, and the detachment and installation are convenient.
The utility model has the beneficial effects that: when concentrated stress is received at the top, the reinforced concrete support frame radially supports a pair of supporting tubes, and the arch can transmit stress to the reinforced concrete enclosure walls on two sides, so that the supporting tubes are prevented from deforming and breaking due to stress, and the reinforced concrete enclosure wall support can be further reinforced.
Drawings
FIG. 1 is a first schematic structural diagram of the present invention;
FIG. 2 is a second schematic structural view of the present invention;
fig. 3 is an enlarged view a of the present invention.
The reference numbers in the figures mean: 1. a base; 11. a foundation pit; 2. the reinforced concrete is used as a fence; 31. reinforcing ribs I; 32. a second reinforcing rib; 33. reinforcing ribs III; 4. a vertical column pile; 5. a column; 6. a first support pipe; 7. a first reinforced concrete support frame; 8; a second supporting tube; 9. a reinforced concrete support frame II; 101. a bolt; 102. And supporting the alloy plate.
Detailed Description
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Referring to fig. 1-3, the presently disclosed embodiment of the present invention is further configured to: the utility model provides an inside bearing structure of foundation ditch, includes base 1, foundation ditch 11 and reinforced concrete enclosure, and foundation ditch 11 is vertical to be seted up on base 1, and the slope of the pit wall of foundation ditch 11 sets up and end osculum is big, and reinforced concrete enclosure 9 is installed on the pit wall of foundation ditch 11, and the bottom central point of foundation ditch 11 puts the vertical upright post of installing in the inside of base 1 and 4, the vertical stand 5 of installing in top of post 4, and reinforced concrete enclosure 9's inside is inserted and is equipped with the perpendicular crisscross strengthening rib of violently standing 31, and the recess has still been seted up to reinforced concrete enclosure 9's inside wall, is equipped with the alloy board of looks adaptation in the recess, and alloy board and the welding of strengthening rib 31.
A pair of supporting pipes 6 with the same height are horizontally fixed above the upright post 5, the supporting pipes 6 are respectively located on two sides of the upright post 5 and are fixedly connected through bolts 101, two ends of the supporting pipes 6 are respectively connected with the supporting alloy plate 102, a reinforced concrete supporting frame 7 is arranged below the supporting pipes 6 along the length direction, two ends of the reinforced concrete supporting frame are connected with a reinforced concrete enclosure wall 9, an arch-shaped hole is formed in the bottom of the reinforced concrete supporting frame 7, a vertical reinforcing rib second 32 is inserted into the reinforced concrete supporting frame 7, and the bottom of the reinforcing rib second 32 penetrates through the reinforced concrete supporting frame 7 and the reinforced concrete enclosure wall 9 and then is integrally connected with the reinforcing rib first 31.
A pair of supporting tubes II 8 with the same height are horizontally fixed below a reinforced concrete supporting frame I7 of the stand column 5, the supporting tubes II 8 are respectively positioned on two sides of the stand column 5 and are fixedly connected through bolts 101, the supporting tubes II 8 are perpendicular to the supporting tubes I6, a reinforced concrete supporting frame II 9 is arranged below the supporting tubes II 8 along the length direction, two ends of the reinforced concrete supporting frame II 9 are connected with the reinforced concrete fence 2, an arch-shaped hole is formed in the bottom of the reinforced concrete supporting frame II 9, a vertical reinforcing rib III 33 is inserted into the reinforced concrete supporting frame II 9, and the bottom of the reinforcing rib III 33 penetrates through the reinforced concrete supporting frame II 9 and the reinforced concrete fence 2 and then is integrally connected with the reinforcing rib I31.
The principle of the utility model is as follows: the reinforced concrete fence 2 is arranged on the pit wall of the foundation pit 11 for reinforcing and preventing the pit wall from deforming and collapsing, the reinforcing rib I31 further strengthens the structural strength of the reinforced concrete fence 2 and prevents the fence from deforming, the support tube I6 is arranged through the upright post 5, the reinforced concrete fence 2 is supported from the inner side by the support tube I6 so as to be more tightly attached with the pit wall, the reinforced concrete support frame I7 is arranged, when the top part receives concentrated stress, the arch can transmit stress to the reinforced concrete fence 2 at two sides to radially support the support tube I6, the support tube I6 is prevented from deforming and breaking under stress, meanwhile, the reinforced concrete fence 2 can be further supported and further reinforced, and the support tube II 8 and the reinforced concrete support frame II 9 have the supporting function on the support tube I6 and the reinforced concrete support frame I7 and simultaneously support the reinforced concrete fence 2 at four sides, the four walls of the foundation pit 11 play a role in supporting and reinforcing.
The horizontally and vertically staggered reinforcing ribs I31 have a supporting effect on the supporting alloy plate 102, the two ends of the supporting tubes I6 and II 8 are connected with the supporting alloy plate 102, the supporting alloy plate 102 has higher strength and corrosion resistance, and the supporting tubes are prevented from extruding and deforming the reinforced concrete enclosure wall 2 for a long time.
Set up two 32 and 31 body couplings of strengthening rib, not only strengthened the structure wall degree of support frame one, still strengthened the joint strength of stay tube 6 and reinforced concrete enclosure 2.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and those modifications and variations assumed in the above are also considered to be within the protective scope of the present invention.
Claims (4)
1. A supporting structure in a foundation pit comprises a base (1), the foundation pit (11) and a reinforced concrete enclosure wall (2), wherein the foundation pit (11) is vertically arranged on the base (1), the pit wall of the foundation pit (11) is obliquely arranged and has a small bottom opening, the reinforced concrete enclosure wall (2) is arranged on the pit wall of the foundation pit (11), a vertical column pile (4) is vertically arranged in the base (1) at the center of the bottom of the foundation pit (11), a vertical column (5) is vertically arranged at the top of the vertical column pile (4), the supporting structure is characterized in that a first reinforcing rib (31) which is vertically staggered in a transverse and vertical mode is inserted in the reinforced concrete enclosure wall (2), a pair of supporting pipes (6) with the same height is horizontally fixed above the vertical column (5), the pair of supporting pipes (6) are respectively positioned at two sides of the vertical column (5), two ends of the pair of supporting pipes (6) are respectively connected with an alloy supporting plate (102), a reinforced concrete support frame I (7) is arranged below the support tubes I (6) along the length direction, two ends of the reinforced concrete support frame I (7) are connected with the reinforced concrete enclosure (2), an arched hole is formed in the bottom of the reinforced concrete support frame I (7), a vertical reinforcing rib II (32) is inserted into the reinforced concrete support frame I (7), and the bottom of the reinforcing rib II (32) penetrates through the reinforced concrete support frame I (7) and the reinforced concrete enclosure (2) and then is integrally connected with the reinforcing rib I (31).
2. The supporting structure in the foundation pit according to claim 1, wherein the inner side wall of the reinforced concrete enclosure (2) is further provided with a groove, the groove is internally provided with a supporting alloy plate (102) which is matched with the groove, and the supporting alloy plate (102) is welded with the first reinforcing rib (31).
3. The supporting structure in the foundation pit according to claim 2, wherein a pair of supporting tubes II (8) with the same height are horizontally fixed on the upright post (5) below the reinforced concrete supporting frame I (7), the pair of second supporting tubes (8) are respectively positioned at two sides of the upright post (5), the second supporting tubes (8) and the first supporting tubes (6) are vertically arranged, a reinforced concrete support frame II (9) is arranged below the pair of support pipes II (8) along the length direction, two ends of the reinforced concrete support frame II (9) are connected with the reinforced concrete fence (2), the bottom of the reinforced concrete support frame II (9) is provided with an arched hole, a vertical reinforcing rib III (33) is inserted in the reinforced concrete support frame II (9), the bottom of the reinforcing rib III (33) penetrates through the reinforced concrete support frame II (9) and the reinforced concrete fence (2) and then is integrally connected with the reinforcing rib I (31).
4. A supporting structure inside a foundation pit according to claim 2 or 3, wherein the first supporting pipe (6) and the upright post (5) and the second supporting pipe (8) and the upright post (5) are fixedly connected through a bolt (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120476815.2U CN215441919U (en) | 2021-03-05 | 2021-03-05 | Internal supporting structure of foundation pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120476815.2U CN215441919U (en) | 2021-03-05 | 2021-03-05 | Internal supporting structure of foundation pit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215441919U true CN215441919U (en) | 2022-01-07 |
Family
ID=79702463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120476815.2U Active CN215441919U (en) | 2021-03-05 | 2021-03-05 | Internal supporting structure of foundation pit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215441919U (en) |
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2021
- 2021-03-05 CN CN202120476815.2U patent/CN215441919U/en active Active
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