CN217923633U

CN217923633U - High-low double-row pile supporting structure

Info

Publication number: CN217923633U
Application number: CN202222036102.1U
Authority: CN
Inventors: 曾立波; 韩森; 罗建纲
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2022-11-29
Anticipated expiration: 2032-08-03

Abstract

The utility model provides a high-low double-row pile supporting structure, including front row pile and back row pile, the pile bolck of front row pile is less than the pile bolck of back row pile, is connected with the front crown roof beam on the pile bolck of front row pile, is connected with the back crown roof beam on the pile bolck of back row pile, and there is spray concrete surface course protection pile intervallum soil on the front row pile lateral wall, be connected with a plurality of horizontal parallel arrangement's linking roof beam between front crown roof beam and the back row pile, the interval is arranged between a plurality of linking roof beams, is connected with between the adjacent linking roof beam and presses the roof; the rear row of piles are formed by interlocking and connecting rear row of long piles and water stop piles, and the rear row of long piles and the front row of piles are arranged in a one-to-one correspondence manner; the front row of piles and the rear row of piles are reinforced concrete cast-in-place piles.

Description

High-low double-row pile supporting structure

Technical Field

The utility model relates to a double row pile supporting construction field especially relates to a high-low double row pile supporting construction.

Background

At present, in the foundation pit construction of building engineering, supporting structures such as soil nailing walls, row piles, double row piles, pile anchors, underground continuous walls, inner supports and the like are generally adopted. The double-row pile is a supporting structure newly developed in recent years, has high bending rigidity and relatively low manufacturing cost, and is mainly used under the conditions of soft soil deep stratum, deep foundation pit excavation depth, no construction space for slope release and anchor cables and the like; the utility model discloses a pile driver, including the oblique roof of push plate double row pile who uses always, the front row pile top is less than back row pile top, is connected through the tie beam of tilting between front row pile and the back row pile, and tilting tie beam and clamp plate have aggravated the overturning moment of front row pile, lead to the easy slope of front row pile, and the construction requirement and the degree of difficulty to front row pile are higher.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's defect and not enough, provide a high low double row pile supporting construction, aim at solving prior art, in the high double row pile structure in low back before, adopt tilting tie beam to connect, there are tilting tie beam and clamp plate to aggravate the moment of overturning of front row pile, lead to the front row pile to incline easily, to the higher problem of the construction requirement and the degree of difficulty of front row pile.

In order to achieve the above object, the utility model adopts the following technical scheme: a high-low double-row pile supporting structure comprises front row piles and rear row piles, wherein the pile tops of the front row piles are lower than the pile tops of the rear row piles, the pile tops of the front row piles are connected with front crown beams, the pile tops of the rear row piles are connected with rear crown beams, the side walls of the front row piles are provided with sprayed concrete surface layers to protect inter-pile soil, reinforced concrete waist beams are arranged at the positions of the front row pile tops, the waist beams are connected with the rear row piles through planting bars, a plurality of connecting beams which are horizontally arranged in parallel are connected between the front crown beams and the rear row pile waist beams, the connecting beams are arranged at intervals, and a pressure top plate is connected between the adjacent connecting beams; the rear row of piles are formed by interlocking and connecting rear row of long piles and water stop piles, and the rear row of long piles and the front row of piles are arranged in a one-to-one correspondence manner; the front row of piles and the rear row of piles are reinforced concrete cast-in-place piles.

Preferably, 2-5 water-stopping piles are arranged between adjacent long piles in the rear row; when the underground water level is shallow, the water stop piles can be arranged among the piles in the front row.

Preferably, the diameter of the front row pile and the rear row pile is 0.8-2m, when the diameter of the front row pile is the same as that of the rear row pile, the distance between the front row pile and the rear row pile is 3-5 times of the pile diameter, when the diameter of the front row pile is different from that of the rear row pile, the distance between the front row pile and the rear row pile is 3-5 times of the average value of the diameter of the front row pile and the diameter of the rear row pile.

Preferably, the length of the long pile of the rear row pile is 1.5-2.5 times of the depth of the foundation pit.

Preferably, the water stop pile can be a cement mixing pile, a jet grouting pile or a triaxial cement mixing pile.

The utility model has the advantages that: compared with the prior art, the utility model provides an among the double row pile supporting construction, back row pile is at the front row pile top elevation and sets up reinforced concrete waist rail, the waist rail passes through the bar planting and is connected with back row pile, be connected with many horizontal parallel arrangement's even tie beam between preceding crown beam and the back row pile waist rail, looks interval arrangement between many even tie beams, be connected with between the adjacent even tie beam and press the roof board, back row pile is connected by back row pile length stake and stagnant water stake interlock and is constituteed, thus, the moment of toppling of front row pile has been reduced, avoid it to take place the slope, can exert the big advantage of double row pile bending rigidity, can guarantee the construction requirement and the quality of front row pile again, this structural procedure is comparatively simple, convenient construction, and easy popularization and use.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention.

Fig. 1 is a longitudinal sectional view of a double row pile supporting structure.

Fig. 2 is a cross-sectional view of a double row pile supporting structure.

Fig. 3 left side is tilting roof pressing double row pile atress analysis schematic diagram, and the right side does the utility model discloses double row pile atress analysis schematic diagram.

Wherein: 1 is front row pile, 2 is front crown beam, 3 is back row pile long pile, 4 is stagnant water pile, 5 is back crown beam, 6 is tie beam, 7 is coping board, 8 is back row pile, 9 is foundation ditch bottom, 10 is planting the muscle, 11 is waist rail, 12 is the sprayed concrete surface course.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings 1-3.

As shown in fig. 1-3, a high-low double-row pile supporting structure comprises a front row pile 1 and a rear row pile 8, wherein the pile top of the front row pile 1 is lower than the pile top of the rear row pile 8, the pile top of the front row pile 1 is connected with a front crown beam 2, the pile top of the rear row pile 8 is connected with a rear crown beam 5, the side wall of the front row pile 1 is provided with a sprayed concrete surface layer 12 for protecting the inter-pile soil, the rear row pile 8 is provided with a reinforced concrete waist beam 11 at the top of the front row pile 1, the waist beam 11 is connected with the rear row pile 8 through a steel bar planting 10, a plurality of horizontally parallel connecting beams 6 are connected between the front crown beam 2 and the rear row pile 8 waist beam 11, the connecting beams 6 are arranged at intervals, and a top pressing plate 7 is connected between the adjacent connecting beams 6; the rear row of piles 8 are formed by connecting rear row of long piles 3 and water stop piles 4 in an occluded manner, and the rear row of long piles 3 and the front row of piles 1 are arranged in a one-to-one correspondence manner; the front row of piles 1 and the rear row of long piles 3 are reinforced concrete cast-in-place piles.

In specific implementation, 2 water stop piles 4 are arranged between the adjacent long piles 3 in the rear row.

During specific implementation, the diameter of the front row of piles 1 and the diameter of the rear row of piles 3 are 1.2m, and the distance between the front row of piles 1 and the rear row of piles 3 is 5.0m.

In specific implementation, the length of the rear row pile long pile 3 is 2.0 times of the depth of the foundation pit.

In specific implementation, the water-stopping pile 4 may be a cement mixing pile, a jet grouting pile or a triaxial cement mixing pile.

Finally, it is noted that the above-mentioned embodiments illustrate rather than limit the invention, and that, while the invention has been described with reference to preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a high low double row pile supporting construction, is including front row pile and back row pile, the pile bolck of front row pile is less than the pile bolck of back row pile, is connected with preceding crown beam on the pile bolck of front row pile, is connected with back crown beam on the pile bolck of back row pile, and front row pile lateral wall has the concrete between the protection stake of injection concrete surface course, its characterized in that: the rear row pile is provided with a reinforced concrete waist beam at the top elevation position of the front row pile, the waist beam is connected with the rear row pile through embedded steel bars, a plurality of connecting beams which are horizontally arranged in parallel are connected between the front crown beam and the waist beam of the rear row pile, the connecting beams are arranged at intervals, and a pressure top plate is connected between the adjacent connecting beams; the rear row of piles are formed by interlocking and connecting rear row of long piles and water stop piles, and the rear row of long piles and the front row of piles are arranged in a one-to-one correspondence manner; the front row of piles and the rear row of piles are reinforced concrete cast-in-place piles.

2. The double row pile supporting construction according to claim 1, wherein: 2-5 water-stopping piles are arranged between the adjacent long piles of the rear row of piles.

3. The double row pile supporting construction according to claim 1, wherein: the diameter of the front row pile and the diameter of the rear row pile are 0.8-2m, when the diameters of the front row pile and the rear row pile are the same, the distance between the front row pile and the rear row pile is 3-5 times of the pile diameter, when the diameters of the front row pile and the rear row pile are different, the distance between the front row pile and the rear row pile is 3-5 times of the average value of the diameters of the front row pile and the rear row pile.

4. The double row pile supporting construction according to claim 1, wherein: the length of the rear row pile long pile is 1.5-2.5 times of the depth of the foundation pit.

5. The double row pile supporting construction according to claim 1, wherein: the water stop pile can be a cement mixing pile, a rotary jet grouting pile or a triaxial cement mixing pile.