CN220768161U - Empty box retaining wall structure - Google Patents

Abstract

The utility model discloses an empty box retaining wall structure, which comprises a bottom plate, wherein two side walls and two face walls are fixed at the top of the bottom plate, an empty box is formed by the two side walls and the two face walls, a top plate is arranged at the top of the empty box, two first partition plates and two second partition plates are connected in the empty box, the two first partition plates are positioned at two sides in the empty box, the two second partition plates are positioned between the two first partition plates, the two first partition plates are right-angled triangles, and the second partition plates are right-angled trapezoids. Compared with the prior art, the first partition plate and the second partition plate are respectively in a right triangle shape and a right trapezoid shape after topological optimization, and the volume is relatively small, so that the consumption of reinforced concrete materials can be reduced, and the cost is reduced on the premise of meeting the construction requirement.

Description

Empty box retaining wall structure

Technical Field

The utility model relates to the field of water conservancy, in particular to an empty box retaining wall structure.

Background

The reinforced concrete empty box structure belongs to a reinforced concrete light structure, is mainly used for the conditions of large soil retaining height and low bearing capacity of the foundation, and has the advantages that: the rigidity is large, the substrate compressive stress is small, the uneven settlement resistance is strong, and the pressure distribution of the substrate can be regulated by filling soil in the empty box or utilizing water filling or draining measures to fill water into the empty box by utilizing water through holes, so that the substrate is nearly uniformly distributed under various application conditions, and uneven settlement is reduced.

At present, the design of the empty box retaining wall mainly depends on empirical means to determine the shape of an internal partition plate, the mechanical property of materials cannot be fully exerted, and patent 202211112590.8 proposes an optimal design method of the empty box retaining wall taking first principal stress as a constraint condition.

However, the empty box retaining wall partition plate optimized by the method does not reach the optimal solution, and the amount of reinforced concrete used by the partition plate is large, so that the cost cannot be reduced to the minimum on the premise of meeting the construction requirement, and therefore, an empty box retaining wall structure is needed to further reduce the amount of the reinforced concrete of the partition plate.

Disclosure of Invention

The utility model aims to solve the technical problem of providing an empty box retaining wall structure, which can reduce the consumption of reinforced concrete materials and reduce the cost on the premise of meeting the construction requirement by arranging a first baffle plate and a second baffle plate.

The technical scheme is as follows: the utility model provides an empty box retaining wall structure, which comprises a bottom plate, wherein two side walls and two face walls are fixed at the top of the bottom plate, an empty box is formed by the two side walls and the two face walls, a top plate is arranged at the top of the empty box, two first partition plates and two second partition plates are connected in the empty box, the two first partition plates are positioned at two sides in the empty box, the two second partition plates are positioned between the two first partition plates, the two first partition plates are right-angled triangles, and the second partition plates are right-angled trapezoids.

Further, two face walls are arranged in parallel, one face wall is connected with a buttress, and the bottom of the buttress is fixedly connected with the bottom plate.

Further, the buttress has multiple sets and is equidistantly disposed.

Further, two the side wall parallel arrangement, the contained angle that side wall 2 and face wall 5 formed is the right angle, and two the distance between the face wall equals the base length of first baffle and second baffle.

Further, the two first separators and the two second separators are equidistant from each other.

Further, the right-angle long sides of the first partition plate and the second partition plate are fixed on the face wall connected with the buttress.

Advantageous effects

The first partition board and the second partition board are respectively in a right triangle shape and a right trapezoid shape after topological optimization, and the volume is relatively small, so that the consumption of reinforced concrete materials can be reduced, and the cost is reduced on the premise of meeting the construction requirement.

The distance between the two face walls is equal to the length of the bottom edges of the first partition plate and the second partition plate, so that the two ends of the first partition plate and the second partition plate can be respectively connected with the two face walls, and the connection stability between the two face walls and the bottom plate is improved.

The wall surface with the buttress connected with the buttress has good strength and stability under the combined action of the first partition plate and the second partition plate and the buttress, so that the soil interception effect of the wall surface is ensured.

Drawings

FIG. 1 is an overall schematic view of an empty box retaining wall structure;

FIG. 2 is an interior schematic view of an empty box retaining wall structure;

FIG. 3 is a model view of an empty box retaining wall grid without any optimization;

FIG. 4 is a first principal stress cloud of an unoptimized empty box retaining wall;

FIG. 5 is a diagram of an empty box retaining wall grid model of the method of patent 202211112590.8;

fig. 6 is a first principal stress cloud of an empty box retaining wall of the method given in patent 202211112590.8;

FIG. 7 is a diagram of an original grid model of an empty box retaining wall using a topology optimization method;

FIG. 8 is a first principal stress cloud of an empty box retaining wall structure;

FIG. 9 is a line graph of the stress lines after optimization of the empty box retaining wall.

In the figure: 1. a bottom plate; 2. a side wall; 3. a top plate; 5. a face wall; 6. buttressing; 7. a second separator; 8. a first separator.

Detailed Description

The present utility model will be described in detail with reference to the accompanying drawings.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Example 1:

1-9, an empty box retaining wall structure, including bottom plate 1, bottom plate 1 top is fixed with two side walls 2 and two face walls 5, two side walls 2 and two face walls 5 are the rectangle, and two side walls 2 specification are the same, two face walls 5 specification is also the same, two side walls 2 and two face walls 5 interval sets up, form the empty box, the empty box top is provided with roof 3, the empty box internal connection has two first baffles 8 and two second baffles 7, two first baffles 8 are located the both sides that are close to side wall 2 in the empty box, two second baffles 7 are located between two first baffles 8, two first baffles 8 are right triangle-shaped, second baffles 7 are right trapezoid-angle.

Compared with the optimization method shown in fig. 5, the first partition plate 8 and the second partition plate 7 which are in topological optimization are smaller in size, so that the consumption of reinforced concrete can be further reduced on the premise of meeting the requirements, and the cost is reduced.

As shown in fig. 9, the maximum first principal stress of the optimized first separator 8 and second separator 7 does not exceed 1.27MPa, and meets the design requirements.

Two face walls 5 parallel arrangement, one of them face wall 5 is connected with multiunit buttress 6, buttress 6 bottom fixed connection is in bottom plate 1, and a plurality of buttress 6 equidistance set up, two side wall 2 parallel arrangement, the contained angle that side wall 2 and face wall 5 formed is 90 degrees, the distance between two face walls 5 equals the base length of first baffle 8 and second baffle 7, consequently, first baffle 8 and second baffle 7 both ends can be connected with two face walls 5 respectively to improve the stability of this empty box retaining wall.

The distance between the two first partition boards 8 and the two second partition boards 7 is equal, and the right-angle long edges of the first partition boards 8 and the second partition boards 7 are fixed on the face wall 5 connected with the buttress 6, so that the first partition boards 8 and the second partition boards 7 and the buttress 6 work together to ensure the strength and the stability of the face wall 5.

Working principle: the first partition plate 8 and the second partition plate 7 inside the empty box retaining wall are respectively right-angled triangle and right-angled trapezoid after topology optimization, so that the consumption of reinforced concrete materials can be reduced, the cost is reduced on the premise of meeting the construction requirement, and the face wall 5 connected with the buttress 6 acts together with the buttress 6 under the first partition plate 8 and the second partition plate 7, so that the wall has good strength and stability, and the interception effect of the face wall 5 on the soil is guaranteed.

The foregoing embodiments are merely illustrative of the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the present utility model and to implement the same, not to limit the scope of the present utility model. All equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.

Claims (6)

1. An empty box retaining wall structure, includes bottom plate (1), its characterized in that: the utility model discloses a floor, including bottom plate (1), wall (2), wall (7), first baffle, second baffle, right trapezoid, first baffle (8), second baffle (7), first baffle (8) are located the empty case, two be located between first baffle (8), two first baffle (8) are right triangle, second baffle (7) are right trapezoid, bottom plate (1) top is fixed with two wall (2) and two wall (5), two wall (2) and two wall (5) constitute the empty case, the empty case top is provided with roof (3), be connected with two first baffles (8) and two second baffles (7) in the empty case both sides.

2. An empty box retaining wall structure according to claim 1, wherein: the two face walls (5) are arranged in parallel, one face wall (5) is connected with a buttress (6), and the bottom of the buttress (6) is fixedly connected with the bottom plate (1).

3. An empty box retaining wall structure according to claim 2, wherein: the buttress (6) has a plurality of groups and is equidistantly arranged.

4. An empty box retaining wall structure according to claim 2, wherein: the two side walls (2) are arranged in parallel, an included angle formed by the side walls (2) and the face walls (5) is a right angle, and the distance between the two face walls (5) is equal to the length of the bottom edges of the first partition plate (8) and the second partition plate (7).

5. An empty box retaining wall structure according to claim 1, wherein: the two first partition plates (8) and the two second partition plates (7) are at equal distances from each other.

6. A blank box retaining wall structure according to claim 2 or 3, wherein: the right-angle long sides of the first partition plate (8) and the second partition plate (7) are fixed on the face wall (5) connected with the buttress (6).