CN217105037U

CN217105037U - Novel retaining wall does not have sand concrete inverted filter structure behind one's back

Info

Publication number: CN217105037U
Application number: CN202220249942.3U
Authority: CN
Inventors: 孙彦龙; 霍剑; 李国炜; 王闵闵; 徐小玥
Original assignee: First Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Current assignee: First Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Priority date: 2022-02-07
Filing date: 2022-02-07
Publication date: 2022-08-02
Anticipated expiration: 2032-02-07

Abstract

The utility model relates to a construction technical field specifically is a novel barricade does not have sand concrete inverted filter structure behind one's back, include: the sand-free concrete reverse filter plate is sleeved with a permeable geotextile outside, and a reserved pipe orifice is formed in the surface of the sand-free concrete reverse filter plate; the drain pipe is inserted into the reserved pipe orifice, a plug ring is inserted at the pipe orifice of the drain pipe, the plug ring is fixed on the surface of the baffle ring, and the baffle ring is arranged on the surface of the sand-free concrete reverse filter plate; the beneficial effects are that: the utility model provides a novel retaining wall does not have sand concrete inverted filter structure behind one's back and replaces the retaining wall behind one's back bagging-off graded broken stone. The outside geotechnological cloth that permeates water of parcel of structure is interior for prefabricated no sand concrete piece, and the bottom adopts drain pipe and barricade to combine to seep water the discharge, and has avoided the on-the-spot rubble process of filling, has improved work efficiency, saves the labour, and the precast block closes as an organic wholely with geotechnological material simultaneously, improves the texture quality, avoids later stage quality disease.

Description

Novel retaining wall does not have sand concrete inverted filter structure behind one's back

Technical Field

The utility model relates to a construction technical field specifically is a novel barricade does not have sand concrete inverted filter structure behind one's back.

Background

At present, when most of retaining walls for highway, municipal and railway engineering are constructed nationwide, water seepage materials are required to be filled at the backs of the retaining walls according to the standard requirements so as to prevent the phenomenon of water accumulation at the backs of the retaining walls.

In the prior art, the traditional water seepage filling material is generally arranged by 30cm wide and 30cm high bagged graded broken stones attached to a retaining wall.

However, the traditional design has the problems that the size of the material is not easy to control in the construction process, the labor is wasted, the efficiency is low and the like. And the broken stone bag is easy to damage after a long time, so that a water seepage layer blocks and stores water, and the soil filling stability at the back of the retaining wall is greatly influenced after a long time, so that the engineering quality is influenced to a certain extent.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel barricade does not have sand concrete inverted filter structure behind one's back to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel retaining wall does not have sand concrete inverted filter structure behind one's back, novel retaining wall does not have sand concrete inverted filter structure behind one's back includes:

the sand-free concrete reverse filter plate is sleeved with a permeable geotextile outside, and a reserved pipe orifice is formed in the surface of the sand-free concrete reverse filter plate;

the drain pipe is inserted into the reserved pipe orifice, a plug ring is inserted at the pipe orifice of the drain pipe, the plug ring is fixed on the surface of the baffle ring, and the baffle ring is arranged on the surface of the sand-free concrete reverse filter plate; and

the surface of the plug ring is arranged on the traction ring, a clamping ring is arranged on the surface of the traction ring, and a limiting ring is arranged on the inner wall of the drain pipe.

Preferably, the drainage pipe penetrates through the geotextile.

Preferably, the baffle ring is of an annular structure with an L-shaped section, the baffle ring penetrates through the permeable geotextile, and the penetration part of the baffle ring and the permeable geotextile is bonded and sealed.

Preferably, the surface of the baffle ring is provided with an air bag ring, the air bag ring is of an annular structure with a hollow interior, and the air bag ring is clamped between the drain pipe and the baffle ring.

Preferably, the plug ring is of a table-shaped annular structure, and after the plug ring is inserted into the drain pipe, the retainer ring is limited by the limiting ring.

Preferably, the traction ring is of an annular plate-shaped structure, the clamping ring is of an annular structure with a circular section, and the outer diameter of the clamping ring is larger than the inner ring caliber of the limiting ring.

Preferably, the limiting ring is of a ring plate structure with a right-angled trapezoid cross section.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a novel retaining wall does not have sand concrete inverted filter structure behind one's back and replaces the retaining wall behind one's back bagging-off graded broken stone. The outside geotechnological cloth that permeates water of parcel of structure is interior for prefabricated no sand concrete piece, and the bottom adopts drain pipe and barricade to combine to seep water the discharge, and has avoided the on-the-spot rubble process of filling, has improved work efficiency, saves the labour, and the precast block closes as an organic wholely with geotechnological material simultaneously, improves the texture quality, avoids later stage quality disease.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

fig. 3 is a schematic view of the retaining ring structure of the present invention.

In the figure: the sand-free concrete anti-filter plate comprises a sand-free concrete anti-filter plate 1, a permeable geotextile 2, a reserved pipe opening 3, a drain pipe 4, a baffle ring 5, an air bag ring 6, a plug ring 7, a traction ring 8, a clamping ring 9 and a limiting ring 10.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clear and fully described, embodiments of the present invention are further described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of some embodiments of the invention and are not limiting of the invention, and that all other embodiments obtained by those of ordinary skill in the art without the exercise of inventive faculty are within the scope of the invention.

In the description of the present invention, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "a," "an," "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

For the purposes of simplicity and explanation, the principles of the embodiments are described by referring mainly to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one skilled in the art that the embodiments may be practiced without these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.

Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a novel retaining wall does not have sand concrete inverted filter structure behind one's back, novel retaining wall does not have sand concrete inverted filter structure behind one's back includes: the sand-free concrete reverse filter plate 1 is characterized in that a permeable geotextile 2 is sleeved outside the sand-free concrete reverse filter plate 1, and a reserved pipe orifice 3 is formed in the surface of the sand-free concrete reverse filter plate 1; the drain pipe 4 is inserted into the reserved pipe opening 3, and the drain pipe 4 penetrates through the geotextile 2;

a plug ring 7 is inserted at the pipe orifice of the drain pipe 4, the plug ring 7 is fixed on the surface of the baffle ring 5, and the baffle ring 5 is arranged on the surface of the sand-free concrete reverse filter plate 1; the blocking ring 5 is of an annular structure with an L-shaped section, the blocking ring 5 penetrates through the water-permeable geotextile 2, the penetrating part of the blocking ring 5 and the water-permeable geotextile 2 is bonded and sealed, the surface of the blocking ring 5 is provided with the air bag ring 6, the air bag ring 6 is of an annular structure with a hollow interior, the air bag ring 6 is clamped between the drain pipe 4 and the blocking ring 5, the plug ring 7 is of a table-shaped annular structure, and after the plug ring 7 is inserted into the drain pipe 4, the clamping ring 9 is limited by the limiting ring 10;

the surface of the plug ring 7 is located to the traction ring 8, and the surface of the traction ring 8 is provided with rand 9, and the inner wall of the drain pipe 4 is provided with spacing ring 10, and the traction ring 8 is annular platelike structure, and rand 9 is the section and is circular shape ring structure, and the external diameter of rand 9 is greater than the inner ring bore of spacing ring 10, and spacing ring 10 is the section and is right trapezoid's ring plate structure.

The sand-free concrete reverse filter plate 1 is prepared by mixing cement, water and stones according to the following weight ratio: about 247kg of cement (P.O42.5), 1482kg of stones (3-5mm) and 113.6kg of water are used for each cubic meter of material, and during the specific operation, the cement, the water and the stones are uniformly stirred by a forced stirrer; and (3) injecting the mixture into a template, wherein the template can be a steel mould or a wood mould or a hard plastic template, the length and the width of the template are both 30cm, and the height can be determined according to the layered filling height. A layer of permeable geotextile is laid around the formwork in advance, and a permeable water seepage structure which is permeable and impermeable to other fillers is formed with the geotextile after the non-sand concrete is poured; the sand-free concrete is processed and formed according to the sequence of pouring, vibrating, forming and maintaining, and the maintaining time is not less than 7 days; during the form removal process, the geotextile is not damaged, and repair is needed if the geotextile is damaged. On site, according to the retaining wall backfilling condition, before filling of each layer, firstly carrying out sand-free concrete reverse filtering structure construction, carrying out earthwork backfilling and compaction of the layer after construction, and carrying out tamping and rolling treatment by adopting a small-sized tamping machine at a position close to the structure;

and reserve out when the anti-filter plate 1 of no sand concrete pours and reserve mouth of pipe 3, insert during the drain pipe 4 installation and reserve mouth of pipe 3, behind stopper ring 7 inserted drain pipe 4, gasbag ring 6 is squeezed and is filled the space between drain pipe 4 and the fender ring 5, and rand 9 is spacing by spacing ring 10 after crossing spacing ring 10.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel retaining wall does not have sand concrete inverted filter structure behind one's back which characterized in that: novel retaining wall does not have sand concrete inverted filter structure behind one's back includes:

the sand-free concrete reverse filter plate (1) is characterized in that a permeable geotextile (2) is sleeved outside the sand-free concrete reverse filter plate (1), and a reserved pipe orifice (3) is formed in the surface of the sand-free concrete reverse filter plate (1);

the drain pipe (4) is inserted into the reserved pipe orifice (3), a plug ring (7) is inserted into the pipe orifice of the drain pipe (4), the plug ring (7) is fixed on the surface of the baffle ring (5), and the baffle ring (5) is arranged on the surface of the sand-free concrete reverse filter plate (1); and

the traction ring (8) is arranged on the surface of the plug ring (7), the surface of the traction ring (8) is provided with a clamping ring (9), and the inner wall of the drain pipe (4) is provided with a limiting ring (10).

2. The novel retaining wall back sand-free concrete inverted filter structure as claimed in claim 1, wherein: the drain pipe (4) penetrates through the geotextile (2).

3. The novel retaining wall back sand-free concrete inverted filter structure as claimed in claim 2, wherein: the baffle ring (5) is of an annular structure with an L-shaped section, the baffle ring (5) penetrates through the geotextile (2), and the penetration part of the baffle ring (5) and the geotextile (2) is bonded and sealed.

4. A novel retaining wall back sand-free concrete inverted filter structure according to claim 3, characterized in that: the surface of the baffle ring (5) is provided with an air bag ring (6), the air bag ring (6) is of an internal hollow annular structure, and the air bag ring (6) is clamped between the drain pipe (4) and the baffle ring (5).

5. The novel retaining wall back sand-free concrete inverted filter structure as claimed in claim 4, wherein: the plug ring (7) is of a table-shaped annular structure, and after the plug ring (7) is inserted into the drain pipe (4), the clamping ring (9) is limited by the limiting ring (10).

6. The novel retaining wall back sand-free concrete inverted filter structure as claimed in claim 5, wherein: the traction ring (8) is of an annular plate-shaped structure, the clamping ring (9) is of an annular structure with a circular section, and the outer diameter of the clamping ring (9) is larger than the inner ring caliber of the limiting ring (10).

7. The novel retaining wall back sand-free concrete inverted filter structure as claimed in claim 6, characterized in that: the limiting ring (10) is of a ring plate structure with a right-angled trapezoid cross section.