CN210597329U - Buttress type arch bored pile supporting device - Google Patents
Buttress type arch bored pile supporting device Download PDFInfo
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- CN210597329U CN210597329U CN201921385200.8U CN201921385200U CN210597329U CN 210597329 U CN210597329 U CN 210597329U CN 201921385200 U CN201921385200 U CN 201921385200U CN 210597329 U CN210597329 U CN 210597329U
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Abstract
The utility model discloses a buttress formula hunch bored pile supporting device belongs to excavation supporting technical field, aims at providing the stronger buttress formula hunch bored pile supporting device of holding power, and its technical scheme main points are including the foundation ditch, the installation is equipped with the collar tie-beam all around at the foundation ditch top, it is equipped with a supporting beam to connect between two adjacent lateral walls of collar tie-beam, it all is equipped with and holds up the arm to keep away from foundation ditch one side on the collar tie-beam lateral wall, it is equipped with a plurality ofly to hold up the arm along foundation ditch lateral wall direction, collar tie-beam below is equipped with a plurality of first tubular piles along collar tie-beam lateral wall circumference direction installation, the utility model has the advantages of the holding power is strong, and the supporting effect.
Description
Technical Field
The utility model relates to a excavation supporting technical field, in particular to buttress formula arch bored concrete pile supporting device.
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.
Chinese patent No. CN208379596U discloses a foundation pit supporting structure, comprising a foundation pit, wherein the foundation pit is composed of an upper slope foundation pit and a lower vertical foundation pit, the upper slope foundation pit at the west side of the foundation pit is supported by a first spray anchor net, the first spray anchor net is provided with soil nails inserted into the side surface of the foundation pit, the lower vertical foundation pit at the west side is supported by a plurality of large-diameter concrete cast-in-place piles at the periphery of the foundation pit and arranged according to a certain interval, the large-diameter concrete cast-in-place piles are connected through a first crown beam, a second spray anchor net is arranged below the first crown beam, two waist beams which are vertically arranged are arranged at the suspension part of the second spray anchor net, the waist beams are connected with anchor rods, the anchor rods are inserted into the side surface of the foundation pit, the upper slope foundation pits at the other three sides of the foundation pit are supported by a third spray anchor net, the third spray anchor, the lower vertical foundation pits on the other three sides are supported by a plurality of small-diameter concrete cast-in-place piles which are arranged at the periphery of the foundation pit at certain intervals.
The prior art scheme among the above-mentioned fixes the foundation ditch lateral wall through spouting the anchor net, nevertheless can only prevent the soil erosion and water loss condition in the in-service use process, can not play good supporting role to the foundation ditch body, and the bearing capacity of foundation ditch body self is relatively poor, influences the construction safety of foundation ditch.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a buttress formula arch bored concrete pile supporting device has the holding power reinforce, advantage that the supporting effect is good.
The above technical purpose of the present invention can be achieved by the following technical solutions:
buttress formula arch bored pile supporting device, including the foundation ditch, the installation is equipped with the collar tie-beam all around at the foundation ditch top, connect between two adjacent lateral walls of collar tie-beam and be equipped with a supporting beam, it all is equipped with to keep away from foundation ditch one side on the collar tie-beam lateral wall and holds up the arm, it is equipped with a plurality ofly to hold up the arm along foundation ditch lateral wall direction, the collar tie-beam below is equipped with a plurality of first tubular piles along collar tie-beam lateral wall circumference direction installation.
Through adopting above-mentioned technical scheme, the foundation ditch side wall mounting collar tie beam, it is equipped with a supporting beam to connect between the adjacent both sides wall, a supporting beam plays the supporting role to the collar tie beam, strengthen the holding power and the supporting effect of collar tie beam, it is equipped with a plurality of arms of holding up still to connect on the collar tie beam lateral wall, a plurality of arms of holding up play further supporting role to the collar tie beam, first tubular pile below the collar tie beam plays support and fixed action to the collar tie beam on the one hand, another conveniently places the soil erosion and water loss of foundation ditch lateral wall, improve the stability of foundation ditch, make supporting device play the effect of further support to the foundation ditch, improve the holding power, make its supporting role to the foundation ditch better.
Furthermore, a plurality of second tubular piles are arranged below the supporting arms along the length direction of the supporting arms.
Through adopting above-mentioned technical scheme, the second tubular pile is located and holds up the arm below, plays the supporting role to a plurality of arms of holding up, makes the supporting effect of holding up arm self more, and is better to the supporting effect of holding up the arm, and further makes the support stability of holding up the arm to the collar tie beam stronger.
Further, the ring beam side wall comprises a vertical beam and an arc-shaped beam, the vertical beam and the arc-shaped beam are arranged at intervals, the supporting arm is arranged on the outer side wall of the vertical beam, and the first tubular pile is installed below the vertical beam.
Through adopting above-mentioned technical scheme, the arc roof beam plays further supporting role to between the circle roof beam, and the dispersion circle roof beam receives comes from foundation ditch pressure all around, and the arc roof beam with hold up the arm cooperation, makes the holding power that the circle roof beam received better, the circle roof beam is more stable, stronger to the soil and water holding power around the foundation ditch, improves foundation ditch stability.
Furthermore, a plurality of third tubular piles are arranged below the arc-shaped beam.
Through adopting above-mentioned technical scheme, the third tubular pile plays further supporting role to the arc roof beam, makes the bearing capacity of arc roof beam more, and is more stable to the holding power of circle roof beam.
Furthermore, a cross beam is arranged in the arc-shaped beam, and the cross beam and the side wall of the ring beam on which the arc-shaped beam is arranged are arranged in parallel.
By adopting the technical scheme, the cross beam plays a supporting role for the arc-shaped beam, so that the supporting strength of the arc-shaped beam is higher, the supporting effect for the ring beam is better, and the foundation pit is more stable.
Furthermore, a plurality of cross beams are arranged in the arc-shaped beam.
Through adopting above-mentioned technical scheme, a plurality of crossbeams can make the supporting effect of arc-shaped beam better, and stability is stronger.
Furthermore, the ring beam, the supporting beam, the holding arm, the arc beam and the cross beam are all provided in a plurality relative to the height direction of the foundation pit.
Through adopting above-mentioned technical scheme, along a plurality of collar beams that foundation ditch direction of height set up, play the effect of further support to the foundation ditch, make the bearing capacity of foundation ditch bigger, the structure is more stable, with collar beam complex a supporting beam, hold up arm and arc roof beam and play further supporting role to the collar beam to make strutting arrangement's holding power bigger, it is better to support the effect.
Furthermore, a plurality of reinforcing ribs are arranged below the supporting arm, one side of each reinforcing rib is fixedly connected below the supporting arm, and the other side of each reinforcing rib is fixedly connected to the side wall of the foundation pit.
Through adopting above-mentioned technical scheme, the stiffening rib plays the supporting role to holding up the arm, strengthens holding up the support intensity of arm, improves the stability of holding up the arm, makes to hold up the arm better to the supporting effect of collar tie beam.
To sum up, the utility model discloses following beneficial effect has:
1. the effect of supporting the ring beam can be achieved through the arrangement of the supporting arms;
2. the arc-shaped beam positioned between the two supporting arms can play a role in further supporting and reinforcing the ring beam;
3. through the setting of stiffening rib, can play and make the bearing effect of holding up the arm stronger, the effect that the holding power is bigger.
Drawings
Fig. 1 is an overall schematic view of a buttress-type arch-type bored pile supporting device in the embodiment;
FIG. 2 is an enlarged view at A in FIG. 1;
fig. 3 is a schematic diagram of the overall supporting structure around the foundation pit in the embodiment.
In the figure, 1, a foundation pit; 11. a ring beam; 111. a vertical beam; 112. an arc beam; 12. a support beam; 13. an arm rest; 14. a first tubular pile; 15. a second tubular pile; 17. a third tubular pile; 18. a cross beam; 19. and (4) reinforcing ribs.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b):
a supporting device for a buttress type arched bored pile is shown in figure 1 and comprises a foundation pit 1, a ring beam 11 is arranged around the top of the foundation pit 1, a supporting beam 12 is connected between two adjacent side walls of the ring beam 11, supporting arms 13 are arranged on one side, far away from the foundation pit 1, of the side wall of the ring beam 11, the supporting arms 13 are arranged in a plurality along the direction of the side wall of the foundation pit 1, and the supporting arms 13 are used for dispersing stress on the ring beam 11, so that the stability of the ring beam 11 is improved, and the structural strength of the foundation pit 1 is enhanced.
As shown in fig. 2 and 3, a plurality of reinforcing ribs 19 are arranged below the arm 13, one side of each reinforcing rib 19 is fixedly connected below the arm 13, the other side of each reinforcing rib 19 is fixedly connected to the side wall of the foundation pit 1, the reinforcing ribs 19 support the arm 13, the supporting strength of the arm 13 is improved, the arm 13 is better stressed on the distributed ring beam 11, and when the soil outside the foundation pit 1 generates inward force on the foundation pit 1, the reinforcing ribs 19 more stably support the arm 13, so that the supporting force of the arm 13 on the ring beam 11 is stronger.
As shown in fig. 1 and 3, the ring beam 11 supports the foundation pit 1, so that the bearing capacity strength of the side wall of the foundation pit 1 is improved, a plurality of first tubular piles 14 are arranged at the bottom of the ring beam 11 along the circumferential direction of the ring beam 11, the first tubular piles 14 are uniformly arranged, the ring beam 11 is uniformly supported, and the bearing capacity of the ring beam 11 is enhanced.
As shown in fig. 1 and 3, the side wall of the ring beam 11 includes a vertical beam 111 and an arc beam 112, the vertical beam 111 and the arc beam 112 are arranged at intervals, a plurality of third tubular piles 17 are installed below the arc beam 112, the arc beam 112 is used for dispersing stress on the ring beam 11, and the arc beam 112 further supports the ring beam 11.
As shown in fig. 1 and 3, a plurality of arms 13 are all installed on the lateral wall of the outward side of the vertical beam 111, a plurality of second tubular piles 15 are installed below the plurality of arms 13, the second tubular piles 15 are uniformly arranged along the length direction of the arms 13, and further support effect is achieved on the arms 13, so that the support effect of the arms 13 is better.
As shown in fig. 1 and 3, the cross beams 18 are installed on the arc-shaped beams 112 in a direction parallel to the ring beam 11 on the side where the arc-shaped beams 112 are located, the cross beams 18 are arranged along the length direction of the side wall of the ring beam 11 where the arc-shaped beams 112 are located, and a plurality of cross beams 18 are arranged in the arc-shaped beams 112, so that the arc-shaped beams 112 can be stably supported, and the arc-shaped beams 112 can disperse the force borne by more ring beams 11.
As shown in fig. 1 and 3, a plurality of ring beams 11 are arranged along the height direction of the foundation pit 1, and a plurality of support beams 12, a plurality of support arms 13, a plurality of arc-shaped beams 112 and a plurality of cross beams 18 on the foundation pit 1 are matched with the ring beams 11, so as to play a role of stably supporting the side wall of the foundation pit 1.
The specific implementation process comprises the following steps: after the foundation pit 1 is excavated, a ring beam 11 is arranged around the top of the foundation pit 1, a plurality of first tubular piles 14 are arranged below the ring beam 11, a supporting beam 12 is connected between two adjacent side walls of the ring beam 11, supporting arms 13 are connected and arranged on the side walls of the ring beam 11 far away from the foundation pit 1, a plurality of second tubular piles 15 are arranged below the supporting arms 13, reinforcing ribs 19 are arranged below the supporting arms 13 to further support the supporting arms 13, the ring beam 11 comprises a vertical beam 111 and an arc beam 112, a third tubular pile 17 is arranged below the arc beam 112, a plurality of cross beams 18 are arranged in the arc beam 112, the cross beams 18 are arranged in the arc beam 112 to support the ring beam 11 and disperse the stress on the ring beam 11, and a plurality of ring beam 11, supporting beam 12, supporting arms 13, arc beam 112 and cross beams 18 are arranged in the height direction of the foundation pit 1, so that the supporting force in the foundation pit 1 is uniformly applied, the stability of foundation ditch 1 is ensured.
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 to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (8)
1. Buttress formula arch bored concrete pile supporting device, including foundation ditch (1), its characterized in that: foundation ditch (1) top is installed all around and is equipped with circle roof beam (11), it is equipped with a supporting beam (12) to connect between two adjacent lateral walls of circle roof beam (11), keep away from foundation ditch (1) one side on circle roof beam (11) lateral wall and all be equipped with and hold up arm (13), it is equipped with a plurality ofly to hold up arm (13) along foundation ditch (1) lateral wall direction, circle roof beam (11) below is equipped with a plurality of first tubular piles (14) along circle roof beam (11) lateral wall circumference direction installation.
2. The buttress-type arch-shaped bored pile supporting device according to claim 1, characterized in that: a plurality of second tubular piles (15) are arranged below the supporting arms (13) along the length direction of the supporting arms (13).
3. The buttress-type arch-shaped bored pile supporting device according to claim 1, characterized in that: ring roof beam (11) lateral wall includes vertical roof beam (111) and arc roof beam (112), vertical roof beam (111) sets up with arc roof beam (112) interval, hold up arm (13) and set up on vertical roof beam (111) lateral wall, first tubular pile (14) are installed in vertical roof beam (111) below.
4. The buttress-type arch-shaped bored pile supporting device according to claim 3, characterized in that: and a plurality of third tubular piles (17) are arranged below the arc-shaped beam (112).
5. The buttress-type arch-shaped bored pile support device according to claim 4, characterized in that: a cross beam (18) is arranged in the arc-shaped beam (112), and the cross beam (18) and the side wall of the ring beam (11) on which the arc-shaped beam (112) is arranged are arranged in parallel.
6. The buttress-type arch-shaped bored pile supporting device according to claim 5, wherein: the cross beams (18) are arranged in a plurality in the arc-shaped beam (112).
7. The buttress-type arch-shaped bored pile supporting device according to claim 6, wherein: the ring beam (11), the supporting beam (12), the holding arm (13), the arc beam (112) and the cross beam (18) are all provided with a plurality of parts in the height direction of the foundation pit (1).
8. The buttress-type arch-shaped bored pile supporting device according to claim 1, characterized in that: a plurality of reinforcing ribs (19) are arranged below the supporting arm (13), one side of each reinforcing rib (19) is fixedly connected below the supporting arm (13), and the other side of each reinforcing rib (19) is fixedly connected to the side wall of the foundation pit (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921385200.8U CN210597329U (en) | 2019-08-23 | 2019-08-23 | Buttress type arch bored pile supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921385200.8U CN210597329U (en) | 2019-08-23 | 2019-08-23 | Buttress type arch bored pile supporting device |
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| CN210597329U true CN210597329U (en) | 2020-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921385200.8U Active CN210597329U (en) | 2019-08-23 | 2019-08-23 | Buttress type arch bored pile supporting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112095614A (en) * | 2020-08-26 | 2020-12-18 | 中国建筑第八工程局有限公司 | Foundation pit construction method under condition of flowing plastic sludge |
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2019
- 2019-08-23 CN CN201921385200.8U patent/CN210597329U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112095614A (en) * | 2020-08-26 | 2020-12-18 | 中国建筑第八工程局有限公司 | Foundation pit construction method under condition of flowing plastic sludge |
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