CN210636450U - Foundation ditch stagnant water curtain secant pile - Google Patents
Foundation ditch stagnant water curtain secant pile Download PDFInfo
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- CN210636450U CN210636450U CN201921496782.7U CN201921496782U CN210636450U CN 210636450 U CN210636450 U CN 210636450U CN 201921496782 U CN201921496782 U CN 201921496782U CN 210636450 U CN210636450 U CN 210636450U
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Abstract
The utility model relates to a foundation ditch stagnant water curtain interlock pile has solved the problem of the easy seepage in current reinforced concrete pile and plain concrete pile interlock position. It includes vertical plain concrete pile and the reinforced concrete stake that sets up in the subsurface and arrange in proper order in turn, and the connector has been seted up to the both sides of plain concrete pile, and the reinforced concrete stake inlays to be located between two adjacent connectors, and the inside of reinforced concrete stake is provided with the steel reinforcement cage. The spread groove has been seted up along vertical direction in the connection mouth, and the both sides of steel reinforcement cage are connected with the connecting plate with spread groove matched with, and the one end intercommunication that the connector was kept away from to the spread groove has the manger plate groove, and the one end that the steel reinforcement cage was kept away from to the connecting plate is connected with the breakwater with manger plate groove matched with, and the manger plate groove is kept away from the one end of spread groove and has been seted up the basin. The utility model discloses a set up connecting plate and breakwater, improved the leakproofness of reinforced concrete pile and plain concrete pile interlock department, the water blocking layer has improved holistic prevention of seepage performance.
Description
Technical Field
The utility model belongs to the technical field of the technique of excavation supporting construction and specifically relates to a foundation ditch stagnant water curtain secant pile is related to.
Background
The waterproof curtain refers to a general term of a waterproof series at the periphery of the engineering main body and is used for preventing or reducing continuous water stopping bodies which are adopted by underground water flowing into the foundation pit from the side wall of the foundation pit and the bottom of the foundation pit. The waterproof curtain is generally constructed in the form of secant piles, and the secant piles are underground foundation pit enclosure structures which are mutually arranged in a secant mode and are mainly used for enclosing the periphery of a foundation pit with the excavation depth larger than 7 m.
The arrangement mode of the occlusive piles is that a plain concrete pile without a reinforcement cage and a reinforced concrete pile with the reinforcement cage are arranged in a staggered mode, and mutually overlapped concrete parts, namely the occlusive parts, exist between the plain concrete pile and the adjacent reinforced concrete pile. The construction method comprises the following steps of pouring plain concrete piles during construction, after two adjacent plain concrete piles are constructed, carrying out drilling operation on the reinforced concrete piles, cutting the plain concrete piles in the drilling process, and forming an occlusion area between the plain concrete piles and the reinforced concrete piles after concrete of the reinforced concrete piles is poured.
However, underground engineering is complex in construction, and a pouring time difference exists between the reinforced concrete pile and the plain concrete pile, so that a fault or a crack may exist in occlusion between the reinforced concrete pile and the plain concrete pile after the reinforced concrete pile is poured and formed, and a quality problem occurs at an occlusion part, thereby causing water leakage.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a foundation ditch stagnant water curtain secant pile, its advantage lies in: the problem of water leakage at the occlusion part of the reinforced concrete pile and the plain concrete pile is solved, and the anti-seepage performance is good.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
a foundation pit waterproof curtain secant pile comprises a plain concrete pile and a reinforced concrete pile which are vertically arranged under the ground, the plain concrete piles and the reinforced concrete piles are alternately arranged in sequence, connectors are arranged on two sides of the plain concrete piles, the reinforced concrete piles are embedded in the two adjacent connecting ports, a reinforcement cage is arranged inside the reinforced concrete piles, one side of the connecting port close to the outer side of the plain concrete pile is provided with a connecting groove along the vertical direction, the two sides of the reinforced concrete pile are both connected with connecting plates matched with the connecting grooves, the connecting plates are fixedly connected with the reinforcement cage, one end of the connecting groove far away from the connecting port extends towards the direction of the outer side of the plain concrete pile to form a water retaining groove, one end of the connecting plate, which is far away from the reinforced concrete pile, is connected with a water baffle plate matched with the water baffle groove.
By adopting the technical scheme, during construction, a first cylindrical plain concrete pile is poured under the ground, then a second plain concrete pile is poured at a position where the distance between the two plain concrete piles is smaller than the diameter of the reinforced concrete pile, a cylindrical hole of the reinforced concrete pile is dug between the two plain concrete piles, and an arc-shaped connecting port is cut out of the two plain concrete piles in the hole digging process;
when pouring reinforced concrete pile, put into the cylinder hole of digging earlier with the steel reinforcement cage, the connecting plate just inlays in locating the spread groove this moment, the breakwater just inlays locates in the breakwater groove, then with concrete placement to the steel reinforcement cage in, just can inlay after the shaping of reinforced concrete pile and establish between the connector of two adjacent plain concrete piles, connecting plate and breakwater can make reinforced concrete pile and plain concrete pile between be connected more firmly, the leakproofness of reinforced concrete pile and plain concrete pile junction has been improved, prevent that plain concrete pile and reinforced concrete pile's interlock department from taking place the seepage.
The utility model discloses further set up to: the water blocking groove is formed in one end, far away from the connecting groove, of the water blocking groove, and a water blocking layer is inserted in the water blocking groove.
By adopting the technical scheme, the water-resistant layer can block water, and the seepage-proofing performance of the plain concrete pile is improved.
The utility model discloses further set up to: the water-resistant layer is made of EVA foam cotton.
By adopting the technical scheme, the EVA foam cotton material of the water-blocking layer has good water repellency, is not easy to absorb water, and can effectively block water.
The utility model discloses further set up to: the cross sections of the water blocking layer and the water blocking groove are both U-shaped, the water blocking groove is communicated with the middle of the water blocking groove, and the cross section width of the water blocking layer is larger than that of the water blocking groove.
By adopting the technical scheme, the section width of the water-blocking layer is larger than that of the water-blocking groove, so that the water-blocking layer is in an extrusion state when being installed, the water-blocking layer is tightly abutted against the inner wall of the water-blocking groove, the sealing performance of the water-blocking groove is improved, leakage is prevented, the water-blocking groove is in a U shape, the sealing length is increased, and the anti-seepage performance is improved.
The utility model discloses further set up to: and a reinforcing frame is arranged in the waterproof layer.
Through adopting above-mentioned technical scheme, the setting of reinforcing frame is used for supporting the water-resistant layer, prevents that the water-resistant layer warp and lead to the seepage, and the setting of reinforcing frame also is convenient for the installation of water-resistant layer simultaneously, and the water-resistant layer tears because of the friction when avoiding installing.
The utility model discloses further set up to: the side wall of the reinforcing frame is connected with a reinforcing strip, and one end, far away from the reinforcing frame, of the reinforcing strip penetrates through the waterproof layer and is connected to the water baffle.
Through adopting above-mentioned technical scheme, consolidate the strip and make the reinforcement frame be connected with the breakwater, the installation of the water-blocking layer of being convenient for also makes the reinforcement frame firmly connect in the breakwater simultaneously, has further improved the leakproofness.
The utility model discloses further set up to: the side wall of the connecting plate is vertically connected with a reinforcing plate along the vertical direction.
Through adopting above-mentioned technical scheme, the setting up of gusset plate has prolonged the sealed length between connecting plate and the reinforced concrete pile, has improved the leakproofness between connecting plate and the plain concrete pile.
To sum up, the utility model discloses a beneficial technological effect does:
1. the arrangement of the connecting plate and the water baffle plate enables the connection between the reinforced concrete pile and the plain concrete pile to be firmer, improves the sealing property of the connection part of the reinforced concrete pile and the plain concrete pile, and prevents the leakage of the occlusion part of the plain concrete pile and the reinforced concrete pile;
2. the waterproof layer is arranged for blocking water, so that the anti-seepage performance of the plain concrete pile is improved, and the EVA foam cotton material of the waterproof layer has good water repellency and can effectively block water;
3. the reinforcing frame is used for supporting the waterproof layer and preventing the waterproof layer from being deformed to cause leakage, and meanwhile, the reinforcing strip enables the reinforcing frame to be connected with the water baffle plate, so that the sealing performance is further improved;
4. the setting of gusset plate has prolonged the sealed length between connecting plate and the reinforced concrete pile, has improved the leakproofness between connecting plate and the plain concrete pile.
Drawings
Fig. 1 is a schematic view of the connection of a plain concrete pile and a reinforced concrete pile.
Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.
Fig. 3 is a schematic structural view of a reinforcement cage.
In the figure, 1, a plain concrete pile; 11. a connecting port; 12. connecting grooves; 13. a water retaining groove; 14. a water blocking tank; 2. reinforced concrete piles; 3. a reinforcement cage; 4. a connecting plate; 41. a reinforcing plate; 5. a water baffle; 6. a water resistant layer; 61. reinforcing the frame; 62. and (5) reinforcing the strip.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a foundation ditch stagnant water curtain secant pile, including vertical step locate the plain concrete pile 1 and the reinforced concrete pile 2 of ground below, plain concrete pile 1 and reinforced concrete pile 2 arrange in turn in proper order. An arc connector 11 has been seted up respectively to plain concrete pile 1's both sides, and reinforced concrete pile 2 just can inlay and locate between two adjacent connectors 11, and the inside step of reinforced concrete pile 2 is equipped with steel reinforcement cage 3.
Referring to fig. 2 and 3, two connecting plates 4 are welded along the vertical direction on one side of the two sides of the steel reinforcement cage 3, which is close to the outer side of the reinforced concrete pile 2, the length of the connecting plate 4 is consistent with that of the steel reinforcement cage 3, and a water baffle 5 is vertically welded along the vertical direction on the edge of the connecting plate 4, which is far away from one side of the steel reinforcement cage 3. A connecting groove 12 matched with the connecting plate 4 is formed in the connecting port 11 along the vertical direction, a water retaining groove 13 matched with the water retaining plate 5 is formed in one end, far away from the connecting port 11, of the connecting groove 12 along the vertical direction, and the connecting groove 12 is vertically communicated with the water retaining groove 13.
During construction, a first cylindrical plain concrete pile 1 is poured under the ground, then a second plain concrete pile 1 is poured at a position where the distance between the two plain concrete piles 1 is smaller than the diameter of the reinforced concrete pile 2, a cylindrical hole of the reinforced concrete pile 2 is dug between the two plain concrete piles 1, and an arc-shaped connecting port 11 is cut out of the two plain concrete piles 1 in the hole digging process.
When pouring reinforced concrete pile 2, put into the cylindrical hole of digging earlier steel reinforcement cage 3, connecting plate 4 just inlays and locates in spread groove 12 this moment, and breakwater 5 just inlays and locates in breakwater 13, then with concrete placement to steel reinforcement cage 3 in, just can inlay after 2 shaping of reinforced concrete pile and establish between the connector 11 of two adjacent plain concrete piles 1. Connecting plate 4 and breakwater 5 can make reinforced concrete pile 2 and plain concrete pile 1 between be connected more firmly, have improved the leakproofness of reinforced concrete pile 2 and plain concrete pile 1 junction, prevent that plain concrete pile 1 and reinforced concrete pile 2's interlock department from taking place the seepage.
The side walls on the two sides of the connecting plate 4 are vertically welded with a reinforcing plate 41 along the vertical direction, so that the sealing length between the connecting plate 4 and the reinforced concrete pile 2 is prolonged, and the sealing performance between the connecting plate 4 and the plain concrete pile 1 is improved.
The water blocking groove 14 with the U-shaped cross section is formed in one end, far away from the connecting groove 12, of the water blocking groove 13 in the vertical direction, the water blocking groove 13 is communicated with the middle of the water blocking groove 14, the water blocking groove 14 is internally inserted with the water blocking layer 6 matched with the water blocking groove 14, the water blocking layer 6 is made of EVA foam cotton materials, and the cross section width of the water blocking layer 6 is larger than that of the water blocking groove 14.
The water-blocking layer 6 can block water, the anti-seepage performance of the plain concrete pile 1 is improved, the water-blocking groove 14 is U-shaped, the sealing length is increased, the anti-seepage performance is further improved, and the EVA foam cotton material of the water-blocking layer 6 has good water repellency and can effectively block water. Because the section width of the water-blocking layer 6 is larger than that of the water-blocking groove 14, the water-blocking layer 6 is in a squeezing state when being installed in the water-blocking groove 14, so that the water-blocking layer 6 is tightly abutted against the inner wall of the water-blocking groove 14, and the sealing performance of the water-blocking groove 14 is improved.
The water-resistant layer 6 is internally lined with a reinforcing frame 61, the section of the reinforcing frame 61 is U-shaped, a plurality of cylindrical reinforcing strips 62 are vertically welded on the side wall of the reinforcing frame 61 from top to bottom along the horizontal direction, and one ends of the reinforcing strips 62 far away from the reinforcing frame 61 penetrate through the water-resistant layer 6 and are welded on the water baffle 5. The reinforcing frame 61 is used to support the waterproof layer 6 and prevent the waterproof layer 6 from being frictionally deformed with the inner wall of the waterproof tank 14 during installation to cause leakage. The reinforcing bar 62 connects the reinforcing frame 61 with the water baffle 5, improves the sealing performance, and installs the reinforcement cage 3 and the water-blocking layer 6 together in the cylindrical hole before pouring the reinforced concrete pile 2, thereby facilitating the installation.
The implementation principle of the embodiment is as follows: through setting up connecting plate 4 and breakwater 5, make the reinforced concrete stake 2 more firm with being connected between plain concrete pile 1, improved the leakproofness of reinforced concrete stake 2 with plain concrete pile 1 junction, prevent that plain concrete pile 1 from taking place the seepage with the interlock department of reinforced concrete pile 2. Through setting up the water-blocking layer 6 of EVA foam cotton material, improved plain concrete pile 1's prevention of seepage performance, the basin 14 that hinders sets up to the U-shaped sealed length that has prolonged, has further improved the leakproofness between connecting plate 4 and plain concrete pile 1.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (7)
1. The utility model provides a foundation ditch stagnant water curtain secant pile, includes vertical plain concrete pile (1) and the reinforced concrete pile (2) that sets up in the subsurface, plain concrete pile (1) with reinforced concrete pile (2) arrange in turn, connector (11) have been seted up to the both sides of plain concrete pile (1), reinforced concrete pile (2) inlay and locate adjacent two in connector (11), the inside of reinforced concrete pile (2) is provided with steel reinforcement cage (3), its characterized in that: connector (11) are close to one side in plain concrete pile (1) outside has seted up spread groove (12) along vertical direction, the both sides of reinforced concrete pile (2) all be connected with spread groove (12) matched with connecting plate (4), connecting plate (4) with steel reinforcement cage (3) fixed connection, spread groove (12) are kept away from the one end of connector (11) to the direction in plain concrete pile (1) outside extends and forms manger plate groove (13), keep away from in connecting plate (4) the one end of reinforced concrete pile (2) be connected with manger plate groove (13) matched with manger plate (5).
2. The foundation pit waterproof curtain secant pile as claimed in claim 1, wherein: one end, far away from the connecting groove (12), of the water blocking groove (13) is provided with a water blocking groove (14), and a water blocking layer (6) is inserted into the water blocking groove (14).
3. A foundation pit waterproof curtain secant pile according to claim 2, wherein: the water-resistant layer (6) is made of EVA foam cotton.
4. A foundation pit waterproof curtain secant pile according to claim 2, wherein: the cross sections of the water blocking tank (14) and the water blocking layer (6) are both U-shaped, the water blocking tank (13) is communicated with the middle part of the water blocking tank (14), and the cross section width of the water blocking layer (6) is larger than that of the water blocking tank (14).
5. A foundation pit waterproof curtain secant pile according to claim 2, wherein: and a reinforcing frame (61) is arranged inside the waterproof layer (6).
6. A foundation pit waterproof curtain secant pile according to claim 5, wherein: the side wall of the reinforcing frame (61) is connected with a reinforcing strip (62), and one end, far away from the reinforcing frame (61), of the reinforcing strip (62) penetrates through the waterproof layer (6) and is connected to the water baffle (5).
7. The foundation pit waterproof curtain secant pile as claimed in claim 1, wherein: and the side wall of the connecting plate (4) is vertically connected with a reinforcing plate (41) along the vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921496782.7U CN210636450U (en) | 2019-09-09 | 2019-09-09 | Foundation ditch stagnant water curtain secant pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921496782.7U CN210636450U (en) | 2019-09-09 | 2019-09-09 | Foundation ditch stagnant water curtain secant pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210636450U true CN210636450U (en) | 2020-05-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921496782.7U Active CN210636450U (en) | 2019-09-09 | 2019-09-09 | Foundation ditch stagnant water curtain secant pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210636450U (en) |
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2019
- 2019-09-09 CN CN201921496782.7U patent/CN210636450U/en active Active
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