CN213267354U - Dynamic compaction road foundation reinforcing structure - Google Patents

Abstract

The utility model discloses a dynamic compaction road foundation strengthening structure, which comprises a soft soil layer and a road base layer, wherein the road base layer is arranged on the top surface of the soft soil layer, a positioning support plate is arranged at the top of the soft soil layer, a plurality of groups of vertically extending accommodating cylinders are transversely arranged at the bottom of the positioning support plate, and grouting pipes are arranged in the plurality of groups of accommodating cylinders; the holding bobbin base end stretches into in the soft soil layer, just the vertical align to grid of holding bobbin outer wall has a plurality of row's thick liquid holes, the slip casting pipe penetrates in the holding bobbin and with this holding bobbin clearance fit. Has the advantages that: the utility model discloses a set up a steel construction holding section of thick bamboo and gusset plate in the soft soil layer of ground below, consolidate the soft soil layer through the steel construction that leading-in concrete mortar consolidation cooperation holding section of thick bamboo and gusset plate are constituteed to consolidate the part at the regional steel construction reinforcement that increases of concrete grouting reinforcement, improve the dynamic compaction road ground reinforcing effect, improve the disease problem of current ground, the practicality is strong.

Description

Dynamic compaction road foundation reinforcing structure

Technical Field

The utility model relates to a road engineering field, concretely relates to dynamic compaction road foundation reinforced structure.

Background

The municipal road soft soil foundation takes the control of the settlement of the road foundation as a core, so that the strength and the stability of the road foundation are ensured, the soft soil foundation must bear the road traffic condition and the gravity of earth surface members, and has higher requirements on the bearing capacity and the strength of the foundation.

The applicant finds that at least the following technical problems exist in the prior art: the road foundation reinforced structure who uses at present inserts the slip casting pipe at soft soil layer, pours into the concrete in order to concretize and form the back up coat into the soft soil layer, and the reinforcing ability is lower, and structural stability is poor, still has the disease problem in the road use, and the practicality is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a dynamic compaction road foundation reinforced structure in order to solve above-mentioned problem sets up the steel construction gusset plate in the soft soil layer of ground below, consolidates soft soil layer through gusset plate cooperation slip casting pipe to consolidate regional steel construction strengthening part at concrete slip casting, improve the dynamic compaction road foundation and consolidate the effect, improve the disease problem of current ground, the practicality is strong, sees the following explanation in detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a dynamic compaction road foundation reinforced structure, including soft soil layer and roadbed layer, roadbed layer set up in soft soil layer top surface, and the soft soil layer top is provided with the location layer board, the location layer board bottom transversely arranges the holding section of thick bamboo that has the multiunit vertical extension, and the multiunit all is provided with the slip casting pipe in the holding section of thick bamboo;

the holding bobbin base stretches into in the weak soil layer, just the vertical align to grid of holding bobbin outer wall has a plurality of row's thick liquid holes, the slip casting pipe penetrates in the holding bobbin and with this holding bobbin clearance fit, the slip casting pipe top upwards extends to holding bobbin top, just the slip casting pipe top is provided with the slip casting and connects, in the holding bobbin the slip casting pipe lateral wall is vertical to be provided with a plurality of through-holes.

When the dynamic compaction road foundation reinforcing structure is used, the positioning support plate is placed on the top surface of a soft soil layer, the containing cylinder is inserted into the positioning hole of the positioning support plate according to the required reinforcing position, the reinforcing plate is rotated to be parallel to the containing cylinder, the end part of the reinforcing plate is inserted into the limiting frame, the reinforcing plate is limited and locked by the limiting frame to ensure that the reinforcing plate is in a vertical state, so that the containing cylinder is downwards inserted into a soft soil layer, then the containing cylinder is upwards lifted, the limiting frame is driven to upwards move by the containing cylinder, the limiting frame is separated from the reinforcing plate, the containing cylinder is rotated to drive the limiting frame to rotate, so that the limiting frame and the reinforcing plate are mutually staggered, then the limiting nut is rotated to tightly abut against the fixing ring through the limiting nut to upwards lift the grouting pipe, so that the rotating lug is driven to move to the bottom end of the containing cylinder under the traction action of the grouting pipe, the reinforcing plate in the soft soil layer is rotated to be in a horizontal state, and the position of the limiting nut is adjusted downwards to strain the reinforcing plate to be tightly abutted against the bottom end of the containing cylinder, so that the position of the reinforcing plate is locked; when grouting is needed, an external grouting pipeline is connected to the grouting joint, concrete mortar is guided into the soft soil layer through the through hole in the grouting pipe and the grout discharging hole in the outer side of the containing cylinder, and the soft soil layer is reinforced through a steel structure formed by the concrete-solidified soft soil layer matched with the containing cylinder and the reinforcing plate.

Preferably, the positioning support plate is a transversely extending steel plate-shaped structure, a plurality of positioning holes are transversely and uniformly arranged on the positioning support plate, and the accommodating cylinder vertically penetrates through the positioning holes and is in clearance fit with the positioning holes.

Preferably, a fixing ring is arranged on the outer side of the top end of the containing barrel, the fixing ring and the containing barrel are fixed through welding, and the bottom of the fixing ring is abutted against the top surface of the positioning supporting plate.

Preferably, the bottom end of the grouting pipe is provided with a reinforcing plate, the reinforcing plate is of a transversely extending flat plate structure, a rotating lug is arranged in the middle of the top surface of the reinforcing plate, the top of the rotating lug extends into the accommodating barrel, and the rotating lug is matched with the reinforcing plate in a rotating mode.

Preferably, the outer side of the top end of the grouting pipe is provided with a limit nut, the limit nut is in threaded fit with the grouting pipe, and the bottom of the limit nut is tightly abutted to the top of the fixing ring.

Preferably, one side of the bottom of the containing barrel is provided with a limiting frame, the limiting frame is of a U-shaped frame structure with an opening facing the containing barrel, and the limiting frame and the containing barrel are welded and fixed.

Has the advantages that: the utility model discloses a set up a steel construction holding section of thick bamboo and gusset plate in the soft soil layer of ground below, consolidate the soft soil layer through the steel construction that leading-in concrete mortar consolidation cooperation holding section of thick bamboo and gusset plate are constituteed to consolidate the part at the regional steel construction reinforcement that increases of concrete grouting reinforcement, improve the dynamic compaction road ground reinforcing effect, improve the disease problem of current ground, the practicality is strong.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a front view structural diagram of the present invention;

FIG. 2 is an internal structure view of the accommodating cylinder of the present invention;

fig. 3 is a structure diagram of the rotation state of the reinforcing plate of the present invention.

The reference numerals are explained below:

1. a soft soil layer; 2. a roadbed layer; 3. positioning a supporting plate; 301. positioning holes; 4. an accommodating cylinder; 401. a slurry discharge hole; 402. a fixing ring; 5. a grouting pipe; 501. grouting joints; 502. a through hole; 503. a limit nut; 6. a reinforcing plate; 601. rotating the lug; 7. and a limiting frame.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-fig. 3, the utility model provides a dynamic compaction road foundation reinforced structure, including soft soil layer 1 and roadbed layer 2, roadbed layer 2 sets up in 1 top surface on soft soil layer, and 1 top on soft soil layer is provided with location layer board 3, 3 bottom transverse arrangement of location layer board have a holding section of thick bamboo 4 of the vertical extension of multiunit, and all be provided with slip casting pipe 5 in the section of thick bamboo 4 of multiunit holding, location layer board 3 is transverse extension's steel platelike structure, and the last transverse align to grid of location layer board 3 has a plurality of locating holes 301, the vertical locating hole 301 that runs through of a holding section of thick bamboo 4 and with this locating hole 301 clearance fit.

The bottom of a holding section of thick bamboo 4 stretches into in the soft soil layer 1, and the vertical align to grid of a holding section of thick bamboo 4 lateral wall has a plurality of row's thick liquid holes 401, slip casting pipe 5 penetrate in a holding section of thick bamboo 4 and with this holding section of thick bamboo 4 clearance fit, 5 tops of slip casting pipe upwards extend to a holding section of thick bamboo 4 top, and 5 tops of slip casting pipe are provided with slip casting joint 501, and 5 lateral walls of slip casting pipe in a holding section of thick bamboo 4 are vertical to be provided with a plurality of through-holes 502.

As an optional implementation manner, a fixing ring 402 is arranged on the outer side of the top end of the accommodating cylinder 4, the fixing ring 402 and the accommodating cylinder 4 are fixed by welding, the bottom of the fixing ring 402 abuts against the top surface of the positioning support plate 3, a reinforcing plate 6 is arranged at the bottom end of the grouting pipe 5, the reinforcing plate 6 is of a flat plate structure extending transversely, a rotating lug 601 is arranged in the middle of the top surface of the reinforcing plate 6, the top of the rotating lug 601 extends into the accommodating cylinder 4, the rotating lug 601 is in rotating fit with the reinforcing plate 6, a limit nut 503 is arranged on the outer side of the top end of the grouting pipe 5, the limit nut 503 is in threaded fit with the grouting pipe 5, the bottom of the limit nut 503 abuts against the top of the fixing ring 402, a limit frame 7 is arranged on one side of the bottom of the accommodating cylinder 4, the limit frame 7 is of a.

By adopting the structure, when in use, the positioning support plate 3 is placed on the top surface of the soft soil layer 1, the containing barrel 4 is inserted into the positioning hole 301 of the positioning support plate 3 according to the required reinforcing position, then the reinforcing plate 6 is rotated to be parallel to the containing barrel 4, the end part of the reinforcing plate 6 is inserted into the limiting frame 7, the reinforcing plate 6 is limited and locked by the limiting frame 7, the reinforcing plate 6 is ensured to be in a vertical state, so that the containing barrel 4 is inserted into the soft soil layer 1 downwards, then the containing barrel 4 is lifted upwards, the limiting frame 7 is driven by the containing barrel 4 to move upwards, the limiting frame 7 is separated from the reinforcing plate 6, the containing barrel 4 is rotated to drive the limiting frame 7 to rotate, so that the limiting frame 7 and the reinforcing plate 6 are staggered mutually, then the limiting nut 503 is rotated, the limiting nut 503 is abutted against the fixing ring 402 to lift up the grouting pipe 5, so that the rotating lug 601 is moved to the inside the bottom end of the containing barrel 4 under the drawing action of the grouting pipe, the reinforcing plate 6 in the soft soil layer 1 is rotated to be in a horizontal state, and the position of the limiting nut 503 is adjusted downwards to strain the reinforcing plate 6 to be tightly propped against the bottom end of the containing cylinder 4, so that the position of the reinforcing plate 6 is locked; when grouting is needed, an external grouting pipe 5 is connected to a grouting joint 501, concrete mortar is introduced into a soft soil layer 1 through a through hole 502 in the grouting pipe 5 and a grout discharging hole 401 outside an accommodating cylinder 4, so that the soft soil layer 1 is reinforced through a steel structure formed by the concrete consolidation soft soil layer 1, the accommodating cylinder 4 and a reinforcing plate 6, the reinforcing plate 6 is horizontally arranged in the soft soil layer 1, then the soft soil layer 1 is tamped through an external tamping machine, and then a road base layer 2 is poured on the top of the soft soil layer 1;

through setting up a steel construction holding section of thick bamboo 4 and gusset plate 6 in soft soil layer 1 below the ground, consolidate soft soil layer 1 through the leading-in steel construction that concrete mortar concreties and cooperates a holding section of thick bamboo 4 and gusset plate 6 to constitute to at the regional steel construction reinforcement part that increases of concrete slip casting reinforcement, improve dynamic compaction road foundation reinforcement effect, improve the disease problem of current ground, the practicality is strong.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (6)

1. The utility model provides a dynamic compaction road foundation reinforced structure which characterized in that: the soil-shifting and grouting device comprises a soft soil layer (1) and a road base layer (2), wherein the road base layer (2) is arranged on the surface of the top of the soft soil layer (1), a positioning supporting plate (3) is arranged on the top of the soft soil layer (1), a plurality of groups of vertically extending accommodating cylinders (4) are transversely arranged at the bottom of the positioning supporting plate (3), and grouting pipes (5) are arranged in the plurality of groups of accommodating cylinders (4);

the bottom of the accommodating cylinder (4) extends into the soft soil layer (1), a plurality of grout discharging holes (401) are formed in the vertical uniform arrangement of the outer side wall of the accommodating cylinder (4), the grouting pipe (5) penetrates into the accommodating cylinder (4) and is in clearance fit with the accommodating cylinder (4), the top end of the grouting pipe (5) extends upwards to the upper portion of the accommodating cylinder (4), the top end of the grouting pipe (5) is provided with a grouting joint (501), and the side wall of the grouting pipe (5) in the accommodating cylinder (4) is vertically provided with a plurality of through holes (502).

2. The dynamic compaction road foundation reinforcing structure of claim 1, wherein: the positioning supporting plate (3) is of a transversely extending steel plate-shaped structure, a plurality of positioning holes (301) are transversely and uniformly arranged on the positioning supporting plate (3), and the accommodating barrel (4) vertically penetrates through the positioning holes (301) and is in clearance fit with the positioning holes (301).

3. The dynamic compaction road foundation reinforcing structure of claim 1, wherein: the outer side of the top end of the accommodating barrel (4) is provided with a fixing ring (402), the fixing ring (402) and the accommodating barrel (4) are fixed through welding, and the bottom of the fixing ring (402) is tightly abutted to the top surface of the positioning supporting plate (3).

4. The dynamic compaction road foundation reinforcing structure according to claim 3, wherein: the bottom end of the grouting pipe (5) is provided with a reinforcing plate (6), the reinforcing plate (6) is of a transversely extending flat plate structure, a rotating lug (601) is arranged in the middle of the top surface of the reinforcing plate (6), the top of the rotating lug (601) extends into the accommodating barrel (4), and the rotating lug (601) is matched with the reinforcing plate (6) in a rotating mode.

5. The dynamic compaction road foundation reinforcing structure of claim 4, wherein: slip casting pipe (5) top outside is provided with stop nut (503), stop nut (503) with slip casting pipe (5) screw-thread fit, just stop nut (503) bottom with solid fixed ring (402) top offsets tightly.

6. The dynamic compaction road foundation reinforcing structure of claim 5, wherein: a limiting frame (7) is arranged on one side of the bottom of the accommodating barrel (4), the limiting frame (7) is of a U-shaped frame structure with an opening facing the accommodating barrel (4), and the limiting frame (7) and the accommodating barrel (4) are welded and fixed.

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