CN213173682U - CFG pile combined cast-in-situ bored pile composite foundation - Google Patents
CFG pile combined cast-in-situ bored pile composite foundation Download PDFInfo
- Publication number
- CN213173682U CN213173682U CN202021653924.9U CN202021653924U CN213173682U CN 213173682 U CN213173682 U CN 213173682U CN 202021653924 U CN202021653924 U CN 202021653924U CN 213173682 U CN213173682 U CN 213173682U
- Authority
- CN
- China
- Prior art keywords
- pile
- cfg
- cap
- cast
- pile cap
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The application relates to the field of building construction, in particular to a CFG pile combined cast-in-situ bored pile composite foundation which comprises a plurality of CFG piles and a plurality of cast-in-situ bored piles, wherein each CFG pile comprises a first pile body and a first pile cap, and the first pile cap is fixedly arranged at the top end of the first pile body; the cast-in-place pile comprises a second pile body and a second pile cap, and the second pile cap is fixedly arranged at the top end of the second pile body; a guide rod is fixedly arranged on the side wall of the first pile cap, a dovetail groove is formed in the guide rod, and the guide rod and the first pile cap are fixed through a first fixing assembly; a dovetail strip is fixedly arranged on the side wall of the second pile cap, and the dovetail strip and the second pile cap are fixed through a second fixing component; the dovetail strip is matched with the dovetail groove in a sliding mode, and the dovetail strip is fixed with the guide rod through a fastening piece. This application can increase the stability that CFG stake combined drilling bored concrete pile composite foundation supported.
Description
Technical Field
The application relates to the field of building construction, in particular to a CFG pile combined cast-in-situ bored pile composite foundation.
Background
The CFG pile is an abbreviation of English CementFly-ashGravel at present, which means a cement fly ash gravel pile, and is a variable-strength pile with certain strength, which is prepared by mixing gravel, stone chips, sand and fly ash with cement and adding water and mixing the mixture and using various pile forming machines. The CFG pile is a low-strength concrete pile, can fully utilize the combined action of bearing capacity of soil among the piles, can transmit load to a deep foundation and has better technical performance and economic effect.
The cast-in-place pile system is a pile formed by forming a pile hole in foundation soil through mechanical drilling, steel pipe soil extrusion or manual excavation and the like on an engineering site, placing a reinforcement cage and cast-in-place concrete in the pile hole, and the cast-in-place pile can be divided into a immersed tube cast-in-place pile, a cast-in-place pile and a cast-in-place pile according to different hole forming methods. The cast-in-place pile system is suitable for high-rise houses with heavy upper load and is less used in rural areas.
Chinese patent No. CN208152072U, granted in the related art, discloses a CFG pile combined cast-in-place bored pile composite foundation, including:
a mattress layer;
the pile array is arranged below the mattress layer and consists of a plurality of CFG piles and a plurality of cast-in-situ bored piles, and three CFG piles are uniformly arranged around each cast-in-situ bored pile in an annular mode;
the first pile cap comprises a fixing body and three vertical plates, the fixing body is of a cylindrical structure with the same outer diameter as the CFG pile and is vertically fixed at the top of the CFG pile, the three vertical plates are uniformly fixed on the side surface of the fixing body through one end,
the width direction of the vertical plate is along the length direction of the CFG pile, and the length direction of the vertical plate is perpendicular to the length direction of the CFG pile;
the second pile cap is of an inverted triangular frustum-shaped structure and is vertically fixed to the top of the cast-in-situ bored pile, each side face of the second pile cap corresponds to one CFG pile, and an included angle between each side face of the second pile cap and the top face is 45 degrees;
and for any one of the three CFG piles around the cast-in-situ bored pile, the length directions of the three vertical plates of the first pile cap are respectively parallel to three edges of the top surface of the second pile cap.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: because the CFG pile and the cast-in-situ bored pile are mutually independent structures, the stability of the CFG pile combined cast-in-situ bored pile composite foundation support is not strong.
SUMMERY OF THE UTILITY MODEL
In order to increase the stability that CFG stake combined cast-in-situ pile composite foundation supported, this application provides a CFG stake combined cast-in-situ pile composite foundation.
The application provides a CFG stake combined cast-in-situ bored pile composite foundation adopts following technical scheme:
a CFG pile combined cast-in-situ bored pile composite foundation comprises a plurality of CFG piles and a plurality of cast-in-situ piles, wherein each CFG pile comprises a first pile body and a first pile cap, and the first pile cap is fixedly arranged at the top end of the first pile body; the cast-in-place pile comprises a second pile body and a second pile cap, and the second pile cap is fixedly arranged at the top end of the second pile body; a guide rod is fixedly arranged on the side wall of the first pile cap, a dovetail groove is formed in the guide rod, and the guide rod and the first pile cap are fixed through a first fixing assembly; a dovetail strip is fixedly arranged on the side wall of the second pile cap, and the dovetail strip and the second pile cap are fixed through a second fixing component; the dovetail strip is matched with the dovetail groove in a sliding mode, and the dovetail strip is fixed with the guide rod through a fastening piece.
Through adopting above-mentioned technical scheme, be fixed in the lateral wall of first pile cap with the guide bar through first fixed subassembly, be fixed in the lateral wall of second pile cap with the dovetail strip through the fixed subassembly of second, be in the same place guide bar and dovetail strip are fixed through the fastener to fix first pile cap and second pile cap together, and then increased the stability that CFG stake allies oneself with the compound foundation of bored concrete pile and supported.
Preferably, the first fixing component comprises a fixing block and a bolt, the fixing block is fixedly arranged at the end part of the guide rod, and the bolt penetrates through the fixing block and is in threaded connection with the side wall of the first pile cap.
Through adopting above-mentioned technical scheme, be fixed in the lateral wall of first pile cap with the fixed block through the bolt to be fixed in the lateral wall of first pile cap with the guide bar, increased the convenience of staff's installation guide bar.
Preferably, the second fixing component comprises a fixing ring fixedly arranged on the side wall of the second pile cap, and the side wall of the fixing ring is fixedly connected with the end part of the dovetail strip.
Through adopting above-mentioned technical scheme, through being fixed in the lateral wall of second pile cap with solid fixed ring to be fixed in the lateral wall of second pile cap with the dovetail, increased the convenience of staff installation dovetail.
Preferably, the side wall of the first pile cap is provided with a positioning groove, and the fixing block is in clamping fit with the positioning groove.
Through adopting above-mentioned technical scheme, the constant head tank has the positioning action to the fixed block, has increased the convenience of staff's installation fixed block.
Preferably, the side wall of the second pile cap is fixedly provided with a supporting block, and the upper surface of the supporting block abuts against the lower surface of the fixing ring.
Through adopting above-mentioned technical scheme, the supporting shoe has increased the solid fixed ring's of staff installation convenience to solid fixed ring ascending supporting role to solid fixed ring on the one hand, and on the other hand can restrict solid fixed ring and slide downwards under the effect of gravity.
Preferably, the upper surface of the supporting block is fixedly provided with a positioning rod, the upper surface of the fixing ring is provided with a positioning hole, and the positioning rod is in inserting fit with the positioning hole.
By adopting the technical scheme, the positioning rod has a positioning function on the fixing ring so as to align the dovetail grooves of the dovetail strips.
Preferably, the fastener is a screw rod, the screw rod is in threaded connection with the dovetail strip, and the bottom end of the screw rod abuts against the bottom of the dovetail groove.
Through adopting above-mentioned technical scheme, through screw rod and dovetail threaded connection to make the bottom butt of screw rod in the tank bottom of dovetail, the frictional force that screw rod and guide bar produced has the fixed action to guide bar and dovetail, can restrict guide bar and dovetail and slide relatively, increased the fastness of being connected between guide bar and the dovetail.
Preferably, a knob is fixedly arranged at the top end of the screw rod.
Through adopting above-mentioned technical scheme, the staff rotates the screw rod through rotating the knob, compares in the direct rotation screw rod, has laborsaving effect.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the guide rod is fixed on the side wall of the first pile cap through the first fixing assembly, the dovetail strip is fixed on the side wall of the second pile cap through the second fixing assembly, and the guide rod and the dovetail strip are fixed together through the fastener, so that the first pile cap and the second pile cap are fixed together, and the stability of the CFG pile combined cast-in-situ bored pile composite foundation support is improved;
2. the fixing block is fixed on the side wall of the first pile cap through the bolt, so that the guide rod is fixed on the side wall of the first pile cap, and convenience of installing the guide rod by workers is improved;
3. through screw rod and dovetail threaded connection to make the bottom butt of screw rod in the tank bottom of dovetail, the frictional force that screw rod and guide bar produced has the fixed action to guide bar and dovetail, can restrict guide bar and dovetail and slide relatively, increased the fastness of being connected between guide bar and the dovetail.
Drawings
Fig. 1 is a schematic structural diagram of a CFG pile combined cast-in-situ bored pile composite foundation according to an embodiment of the present application.
Fig. 2 is an enlarged view of a portion a of fig. 1.
Description of reference numerals: 1. CFG piles; 101. a first pile body; 102. a first pile cap; 1021. positioning a groove; 2. filling piles; 201. a second pile body; 202. a second pile cap; 3. a guide bar; 301. a dovetail groove; 4. a fixed block; 5. a bolt; 6. a dovetail strip; 7. a fixing ring; 701. positioning holes; 8. a support block; 9. positioning a rod; 10. a screw; 11. a knob.
Detailed Description
The present application is described in further detail below with reference to fig. 1.
The embodiment of the application discloses a CFG pile combined cast-in-situ bored pile composite foundation. Referring to fig. 1, the CFG pile combined cast-in-place pile composite foundation includes a plurality of CFG piles 1 and a plurality of cast-in-place piles 2, the CFG piles 1 include a first pile body 101 and a first pile cap 102, the first pile body 101 is cylindrical, and the axial direction of the first pile body 101 is vertical. The shape of first pile cap 102 is the cuboid, and first pile cap 102 is the level setting, and the lower surface butt of first pile cap 102 is in the top of first pile body 101, and first pile cap 102 is fixed through the mode of concrete placement with first pile body 101. The cast-in-place pile 2 comprises a second pile body 201 and a second pile cap 202, the second pile body 201 and the second pile cap 202 are both cylindrical in shape, and the axial directions of the second pile body 201 and the second pile cap 202 are both vertical. The second pile cap 202 is fixedly arranged at the top end of the second pile body 201, the bottom end of the second pile cap 202 abuts against the top end of the second pile body 201, and the second pile cap 202 and the second pile body 201 are fixed in a concrete pouring mode. The upper surface of the second pile 201 is flush with the upper surface of the first pile 101.
Referring to fig. 1 and 2, a guide rod 3 is fixedly arranged on the side wall of the first pile cap 102, and the guide rod 3 and the first pile cap 102 are fixed through a first fixing assembly. Specifically, the guide bar 3 is shaped like a rectangular parallelepiped, and the length direction of the guide bar 3 is the horizontal direction. In this embodiment, the first fixing component includes a fixing block 4 and a bolt 5, the fixing block 4 is a cuboid, the fixing block 4 is welded to the end portion of the guide rod 3 close to the first pile cap 102, a positioning groove 1021 is formed in the side wall of the first pile cap 102, the fixing block 4 is in clamping fit with the positioning groove 1021, the surface of the fixing block 4 is flush with the side wall of the first pile cap 102, and the bolt 5 penetrates through the fixing block 4 and is in threaded connection with the side wall of the first pile cap 102. So set up, be fixed in the lateral wall of first pile cap 102 with fixed block 4 through bolt 5 to be fixed in the lateral wall of first pile cap 102 with guide bar 3, increased the convenience of staff's installation guide bar 3.
Referring to fig. 1, a dovetail strip 6 is fixedly disposed on a side wall of the second pile cap 202, and the dovetail strip 6 and the second pile cap 202 are fixed by a second fixing component. In this embodiment, the second fixing component includes a fixing ring 7 fixedly disposed on the sidewall of the second pile cap 202, and the sidewall of the fixing ring 7 is fixedly connected with the end of the dovetail strip 6. Specifically, the side wall of the second pile cap 202 is fixedly provided with a supporting block 8, the supporting block 8 and the second pile cap 202 are fixed in a concrete pouring mode, and the upper surface of the supporting block 8 abuts against the lower surface of the fixing ring 7. The upper surface welding of bracer has locating lever 9, and the shape of locating lever 9 is the cylinder, and the axis direction of locating lever 9 is vertical direction, and the upper surface of solid fixed ring 7 has seted up the locating hole 701 that runs through, and locating lever 9 is pegged graft with locating hole 701 and is cooperated. So set up, supporting shoe 8 has increased the convenience that the solid fixed ring 7 of staff installation on the one hand to solid fixed ring 7 ascending supporting role, and on the other hand can restrict solid fixed ring 7 and slide downwards under the effect of gravity.
Referring to fig. 1 and 2, a dovetail groove 301 is formed in the upper surface of the guide rod 3, the length direction of the dovetail groove 301 is the same as that of the guide rod 3, one end of the dovetail groove 301, which is far away from the fixing block 4, is provided with an opening, the dovetail strip 6 is in sliding fit with the dovetail groove 301, and the dovetail strip 6 and the guide rod 3 are fixed through a fastener. In this embodiment, the fastening member is a screw 10, the screw 10 is in threaded connection with the dovetail bar 6, and the bottom end of the screw 10 abuts against the bottom of the dovetail groove 301. The top end of the screw rod 10 is welded with a knob 11. So set up, the staff rotates screw rod 10 through turning knob 11, compares and directly rotates screw rod 10, has laborsaving effect.
The implementation principle of the CFG pile combined cast-in-situ bored pile composite foundation of the embodiment of the application is as follows: the staff slides the cooperation with dovetail 6 and dovetail 301, then make locating lever 9 and locating hole 701 peg graft the cooperation, fix the ring 7 cover and locate on the second pile cap 202, so that the lower surface butt of fixed ring 7 in the upper surface of supporting shoe 8, then make guide bar 3 towards the direction that is close to first pile cap 102 slide, so that fixed block 4 and constant head tank 1021 joint cooperation, then through rotatory bolt 5, thereby be fixed in the lateral wall of first pile cap 102 with fixed block 4, then rotate screw rod 10 through rotatory knob 11, so that the bottom butt of screw rod 10 in the tank bottom of dovetail 301, and then fix together guide bar 3 and dovetail 6, and then increased the stability that CFG stake allies oneself with the drilling pile composite foundation supported.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a CFG stake combination drilling bored concrete pile composite foundation which characterized in that: the pile comprises a plurality of CFG piles (1) and a plurality of cast-in-place piles (2), wherein each CFG pile (1) comprises a first pile body (101) and a first pile cap (102), and the first pile cap (102) is fixedly arranged at the top end of the first pile body (101); the cast-in-place pile (2) comprises a second pile body (201) and a second pile cap (202), wherein the second pile cap (202) is fixedly arranged at the top end of the second pile body (201); a guide rod (3) is fixedly arranged on the side wall of the first pile cap (102), a dovetail groove (301) is formed in the guide rod (3), and the guide rod (3) and the first pile cap (102) are fixed through a first fixing component; the side wall of the second pile cap (202) is fixedly provided with a dovetail strip (6), and the dovetail strip (6) and the second pile cap (202) are fixed through a second fixing component; dovetail strip (6) with dovetail groove (301) sliding fit, dovetail strip (6) with guide bar (3) are fixed through the fastener.
2. The CFG pile-combined cast-in-situ pile composite foundation as claimed in claim 1, wherein: the first fixing assembly comprises a fixing block (4) and a bolt (5), the fixing block (4) is fixedly arranged at the end part of the guide rod (3), and the bolt (5) penetrates through the fixing block (4) and is in threaded connection with the side wall of the first pile cap (102).
3. The CFG pile-combined cast-in-situ pile composite foundation as claimed in claim 1, wherein: the second fixing component comprises a fixing ring (7) fixedly arranged on the side wall of the second pile cap (202), and the side wall of the fixing ring (7) is fixedly connected with the end part of the dovetail strip (6).
4. The CFG pile combined cast-in-situ pile composite foundation as claimed in claim 2, wherein: the side wall of the first pile cap (102) is provided with a positioning groove (1021), and the fixing block (4) is in clamping fit with the positioning groove (1021).
5. The CFG pile-combined cast-in-situ pile composite foundation as claimed in claim 3, wherein: the side wall of the second pile cap (202) is fixedly provided with a supporting block (8), and the upper surface of the supporting block (8) abuts against the lower surface of the fixing ring (7).
6. The CFG pile-combined cast-in-situ pile composite foundation as claimed in claim 5, wherein: the upper surface of supporting shoe (8) is fixed and is provided with locating lever (9), fixed ring (7)'s upper surface has seted up locating hole (701), locating lever (9) with locating hole (701) are pegged graft and are cooperated.
7. The CFG pile-combined cast-in-situ pile composite foundation as claimed in claim 1, wherein: the fastener is a screw rod (10), the screw rod (10) is in threaded connection with the dovetail strip (6), and the bottom end of the screw rod (10) abuts against the bottom of the dovetail groove (301).
8. The CFG pile-combined cast-in-situ pile composite foundation as claimed in claim 7, wherein: the top end of the screw rod (10) is fixedly provided with a knob (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021653924.9U CN213173682U (en) | 2020-08-10 | 2020-08-10 | CFG pile combined cast-in-situ bored pile composite foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021653924.9U CN213173682U (en) | 2020-08-10 | 2020-08-10 | CFG pile combined cast-in-situ bored pile composite foundation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213173682U true CN213173682U (en) | 2021-05-11 |
Family
ID=75799776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021653924.9U Active CN213173682U (en) | 2020-08-10 | 2020-08-10 | CFG pile combined cast-in-situ bored pile composite foundation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213173682U (en) |
-
2020
- 2020-08-10 CN CN202021653924.9U patent/CN213173682U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5039256A (en) | Pinned foundation system | |
| CN201883438U (en) | Pit-in-foundation-pit steel sheet pile foundation pit supporting structure | |
| CN101864773A (en) | Deep foundation pit support process | |
| CN109914472B (en) | Soft soil area assembled comprehensive pipe gallery and construction method thereof | |
| US7578637B2 (en) | Pile with an extended head and working method of its operation | |
| CN113174988A (en) | Double-wall concrete open caisson structure and construction method | |
| CN216239904U (en) | Existing building underpins and consolidates connection structure | |
| CN113863706B (en) | Construction method and application device of existing building low-clearance lower rotary-jet static pressure composite pile | |
| CN107165173A (en) | A kind of foundation pit supporting system and its construction method | |
| US9856622B2 (en) | Retaining wall system, method of supporting same, and kit for use in constructing same | |
| CN213173682U (en) | CFG pile combined cast-in-situ bored pile composite foundation | |
| CN109252542A (en) | A kind of root pile lightweight barricade and its construction method for road widening | |
| CN201103130Y (en) | Root key water sealing device of root foundation and anchor | |
| CN112609705A (en) | Steel sheet pile supporting system and method suitable for shallow soft soil foundation pit | |
| CN210106749U (en) | Counter-force structure of soft soil foundation super large section push pipe jacking operation | |
| CN102535452A (en) | Novel engineering pile | |
| JP4029191B2 (en) | Subsidence suppression structure, construction method of settlement suppression structure | |
| CN207160041U (en) | Anchor rod type artificial digging pile | |
| CN102605801A (en) | Suspension semi-reverse-construction method for underground circular water tank | |
| CN215105392U (en) | Retractable prefabricated retaining wall supporting structure for manual hole digging pile | |
| CN115613559A (en) | Telescopic steel spiral pile and construction method | |
| JP6867664B1 (en) | Foundation structure of structure, foundation construction method, and support pipe material used for foundation | |
| CN206902721U (en) | A kind of foundation pit supporting system | |
| KR101257905B1 (en) | Method for constructing foundation work | |
| CN105507338A (en) | Campshed and inserted piled slab combined supporting water-plugging continuous wall forming construction method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |