CN112359847A

CN112359847A - Underground continuous mechanism

Info

Publication number: CN112359847A
Application number: CN202011417780.1A
Authority: CN
Inventors: 周兆弟
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-05
Filing date: 2020-12-05
Publication date: 2021-02-12

Abstract

The invention discloses an underground continuous mechanism which comprises at least one shear wall and at least one enclosure part connected with the shear wall, wherein the side wall of the shear wall and the side wall of the enclosure part form a concave-convex matching positioning structure, and the connecting end of the shear wall is approximately parallel to the end surface of the connecting end of the enclosure part; the shear wall is arranged to support the weight of an object above the shear wall, so that the support and bearing effects are achieved, the underground continuous mechanism can play a role in containment and retaining soil and water, and can be used as a wall body of underground buildings such as basements and garages, the underground continuous mechanism is effectively utilized, and resource waste is reduced.

Description

Underground continuous mechanism

Technical Field

The invention relates to the technical field of enclosure, in particular to an underground continuous mechanism.

Background

In foundation pit engineering, especially deep foundation pit engineering, retaining wall formula supporting construction based on fender pile is one of common deep foundation pit support form, and in traditional building structure design, foundation pit supporting construction is regarded as temporary construction measure usually, only plays the effect in underground structure construction stage, just abandons the underground after the foundation ditch backfill, and this causes very big waste to building material and social resource, and in addition, the construction of current basement, underground garage etc. is comparatively complicated, and the process is various, can not effectively utilize foundation pit support system.

Disclosure of Invention

The invention aims to provide an underground continuous mechanism to solve the problem that the existing continuous mechanism cannot be effectively utilized and causes resource waste.

In order to achieve the purpose, the invention provides the following technical scheme:

the underground continuous mechanism comprises at least one shear wall and at least one enclosure connected with the shear wall, wherein the side wall of the shear wall and the side wall of the enclosure form a concave-convex matching positioning structure, and the connecting end of the shear wall is approximately parallel to the end face of the connecting end of the enclosure.

Preferably, the concave-convex matching positioning structure comprises a first bending positioning surface located on the side wall of the shear wall and a second bending positioning surface located on the side wall of the enclosure and matched with the first bending positioning surface.

Preferably, the first bending positioning surface has at least one concave section and/or convex section, the second bending surface has at least one convex section and/or concave section, the concave section of the first bending positioning surface is matched with the convex section of the second bending positioning surface, and the convex section of the first bending positioning surface is matched with the concave section of the second bending positioning surface.

Preferably, the shear wall is provided with at least one curved section which is concave towards the shear wall on the same side with the first bending positioning surface, the enclosure part is provided with at least one curved section which is concave towards the enclosure part on the same side with the second bending positioning surface, and the curved section on the shear wall corresponds to the curved section of the enclosure part.

Preferably, a sealing element is arranged between the shear wall and the enclosure connected with the shear wall, and the sealing element can be filled in a space formed by combining the bent section of the shear wall and the upward bent section of the enclosure connected with the shear wall.

Preferably, the seal is formed by slip casting; alternatively, the sealing member is a sealing strip.

Preferably, the shear wall comprises a framework, the framework comprises a stress bar and a stirrup surrounding the stress bar, and the arrangement density of the stress bar of the shear wall is greater than or equal to that of the stress bar of the adjacent enclosure.

Preferably, the shear wall is L-shaped or T-shaped or I-shaped; preferably, the shear wall comprises more than two walls, and the two adjacent walls are in radial and/or transverse butt joint; preferably, two adjacent walls are butted through embedded parts.

Preferably, the top end and/or the bottom end of the shear wall and/or the side wall far away from the concave-convex matching positioning structure are/is provided with an external installation part, the external installation part is used for connecting the shear wall and a prefabricated part, and the prefabricated part is one or a combination of a plurality of prefabricated columns, prefabricated walls, prefabricated beams, prefabricated piles, prefabricated plates and prefabricated blocks.

Preferably, the external mounting part comprises a plurality of embedded parts distributed at intervals at the top end and/or the bottom end of the shear wall and/or far away from the side wall of the concave-convex matching positioning structure.

Preferably, the embedded parts are embedded nuts, embedded metal plates, anchoring ribs and the like; preferably, the embedded part is connected and fixed with the built-in framework of the shear wall 1.

The invention provides an underground continuous mechanism which comprises at least one shear wall and at least one enclosure part adjacent to the shear wall, wherein the side wall of the shear wall and the side wall of the enclosure part form a concave-convex matching positioning structure; the shear wall is arranged to support the weight of an object above the shear wall, so that the support and bearing effects are achieved, the underground continuous mechanism can play a role in containment and retaining soil and water, and can be used as a wall body of underground buildings such as basements and garages, the underground continuous mechanism is effectively utilized, and resource waste is reduced.

Drawings

FIG. 1 is a schematic view of a subterranean continuum;

FIG. 2 is a schematic structural view of another underground continuous mechanism;

FIG. 3 is a schematic diagram of the construction of an underground continuity mechanism with prefabricated components attached;

FIG. 4 is a schematic structural diagram of a shear wall according to the present disclosure;

FIG. 5 is a top view of several of the shear walls disclosed herein;

FIG. 6 is a schematic structural view of yet another shear wall;

FIG. 7 is a schematic view of the unassembled condition of FIG. 6;

FIG. 8 is a schematic view of a further shear wall construction;

fig. 9 is a schematic structural diagram of an embedded part disclosed in the present invention.

In the figure: 1. a shear wall; 11. a wall body; 2. a containment piece; 3. a recessed section; 4. a convex section; 5. bending; 6. embedding parts; 61. a first connection joint; 62. inserting a rod; 63. a second connection joint; 64. a locking mechanism; 7. prefabricating a component; 8. a hollow portion; 9. and a seal.

Detailed Description

In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

In this specification, terms such as "upper, lower, inner, and outer" are established based on positional relationships shown in the drawings, and the corresponding positional relationships may vary depending on the drawings, and therefore, the terms are not to be construed as absolutely limiting the scope of protection; moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.

As shown in fig. 1 to 9, the underground continuous mechanism provided by the present invention includes at least one shear wall 1 and at least one enclosure 2 connected thereto, where a side wall of the shear wall 1 and a side wall of the enclosure 2 form a concave-convex matching positioning structure, where a connection end of the shear wall 1 is substantially parallel to an end surface of the connection end of the enclosure 2, and it can be understood that the substantially parallel is substantially parallel as long as the connection of the shear wall 1 and the enclosure 2 is not affected.

In the actual use process, the shear wall 1 is arranged to support the weight of an object above the shear wall so as to support the load, so that the underground continuous mechanism can play a role in enclosing and retaining soil and water, and can be used as a wall body of an underground building such as a basement and a garage, the underground continuous mechanism is effectively utilized, and the resource waste is reduced.

Further, in order to realize effective connection between the shear wall 1 and the enclosure 2, the concave-convex matching positioning structure comprises a first bending positioning surface positioned on the side wall of the shear wall 1 and a second bending positioning surface positioned on the side wall of the enclosure 2 and matched with the first bending positioning surface; the first bending positioning surface is provided with at least one sunken section 3 and/or one protruding section 4, the second bending is provided with at least one protruding section 4 and/or one sunken section 3, the sunken section 3 of the first bending positioning surface is matched with the protruding section 4 of the second bending positioning surface, and the protruding section 4 of the first bending positioning surface is matched with the sunken section 3 of the second bending positioning surface.

Further, in order to facilitate the butt joint of the shear wall 1 and the adjacent enclosure part 2 and ensure the normal construction and use of the shear wall 1 or the enclosure part 2, the surface roughness of the first bending positioning surface and the second bending positioning surface is less than or equal to the surface roughness of the other side walls, so that the excessive friction resistance between the shear wall 1 and the adjacent enclosure part 2 is prevented, the implantation of the shear wall 1 or the adjacent enclosure part 2 is facilitated by reducing the friction force, an underground continuous mechanism is convenient to form, and meanwhile, the falling damage of a concrete layer of the shear wall 1 or the enclosure part 2 caused by the excessive friction resistance is prevented, or the shear wall 1 or the enclosure part 2 is difficult to sink into a soil body. Or the surface hardness of the first bending positioning surface and the second bending positioning surface is greater than or equal to that of the rest side walls, so that the structural strength of the side part of the shear wall 1 and the enclosure part 2 for realizing butt joint is increased, the integral structural strength of the shear wall 1 is ensured, the shear wall 1 and the enclosure part 2 are prevented from being damaged in the underground implantation process, and the normal construction and use of the shear wall 1 and the enclosure part 2 are ensured.

Furthermore, the shear wall 1, the enclosure 2 and the prefabricated part 7 are all concrete products, and the interiors of the shear wall, the enclosure and the prefabricated part are all provided with frameworks as supporting stress structures, wherein the frameworks are mostly rigid frameworks which comprise stress bars and spiral bars arranged around the stress bars; the surface hardness of the first bending positioning surface and the second bending positioning surface is greater than or equal to the surface hardness of the rest of the side walls, which can be achieved through multiple ways, for example, the distribution density of the stress bars of the side wall of the shear wall 1 provided with the first bending positioning surface is increased, or a rigid protective layer (not shown in the figure) is arranged on the side portion of the shear wall 1 provided with the first bending positioning surface, the rigid protective layer can be embedded in the side portion of the shear wall 1 and integrally cast with the shear wall 1, and can also be fixed on the side portion of the shear wall 1 through a screw connection mode and the like, the rigid protective layer protects the side portion of the shear wall 1, so that the shear wall 1 is prevented from falling off and being damaged, the normal construction and use of the shear wall 1 are ensured, the enclosure 2 or the prefabricated member 7 is increased in the surface hardness mode. It is understood that the shear wall 1, the enclosure 2 and the prefabricated member 7 may also be steel members or members in which concrete is combined with steel structures.

Of course, other forms of protecting the shear wall 1 or the enclosure 2 from damage may be used, such as: the shear wall 1 is provided with at least one bent section 5 which is inwards concave towards the shear wall 1 on the same side with the first bending positioning surface, the enclosure part 2 is provided with at least one bent section 5 which is inwards concave towards the enclosure part 2 on the same side with the second bending positioning surface, the bent section 5 on the shear wall 1 corresponds to the bent section 5 of the enclosure part 2, a certain gap is provided between the shear wall 1 and the adjacent enclosure part 2 through the arrangement of the corresponding bent section 5, so that the wall surfaces of the shear wall 1 and the adjacent enclosure part 2 are not in direct contact in the implantation process, friction is reduced so as to facilitate the implantation of the shear wall 1 or the enclosure part 2, the phenomenon that a concrete layer of the shear wall 1 or the enclosure part 2 falls off and is damaged or the shear wall 1 or the enclosure part 2 is difficult to sink into a soil body due to overlarge friction resistance is prevented, and normal construction and use of the shear wall 1 or the enclosure part 2 are.

Further, in order to realize effective butt joint of the shear wall 1 and the adjacent enclosure 2, the first bending positioning surface is provided with at least one concave section 3 and/or convex section 4, the pre-enclosure 2 connected with the shear wall 1 is provided with the convex section 4 or the concave section 3 corresponding to the concave section 3 or the convex section 4 of the shear wall 1 so as to realize concave-convex matching of the shear wall 1 and the enclosure 2 and realize effective butt joint of the two, wherein the concave section 3 or the convex section 4 can be T-shaped, trapezoidal, triangular and the like, and is not particularly limited, and the shape of the concave section 3 is substantially the same as that of the convex section 4; the number of the concave sections 3 or the convex sections 4 can also be multiple, and is selected according to actual requirements.

Further, in order to ensure the bearing capacity of the underground continuous mechanism and the overall structural strength of the underground continuous mechanism, the concrete strength grade of the shear wall 1 is greater than or equal to that of the adjacent enclosing pieces 2, so that the structural strength of the shear wall 1 is enhanced, and the overall structural strength of the underground continuous mechanism is enhanced; in addition, in order to further improve the overall structural strength and the bearing capacity of the underground continuous mechanism, the wall thickness of the shear wall 1 is greater than that of the enclosure part 2, the section perimeter of the shear wall 1 is increased by increasing the wall thickness of the shear wall 1, the contact area of the shear wall 1 and a soil layer is increased, and therefore the limit side friction resistance of the shear wall 1 in the soil layer is increased, the vertical bearing capacity of the shear wall 1 is improved, and the overall bearing capacity of the underground continuous mechanism is further guaranteed.

Further, in order to guarantee the structural strength of the shear wall 1, the shear wall 1 comprises a framework, the framework comprises a stress bar and a hoop bar surrounding the stress bar, and the stress bar arrangement density of the shear wall 1 is greater than or equal to that of the adjacent enclosure 2.

Further, in order to improve the enclosing performance of the underground continuous mechanism and prevent water from entering an enclosing range, a sealing element 9 is arranged between the shear wall 1 and the enclosing part 2 connected with the shear wall, and the sealing element 9 can be filled in a space formed by combining the bent section 5 of the shear wall 1 and the bent section 5 of the enclosing part 2 connected with the shear wall; the sealing element 9 is formed by grouting, wherein the slurry can be concrete slurry or other slurry; alternatively, the sealing member 9 is a sealing strip; the sealing member 9 is not particularly limited, and can perform a sealing function.

Further, if the shear wall 1 or the enclosure 2 is excavated and then implanted to form the underground continuous mechanism, the sealing element 9 needs to be directly filled after the shear wall 1 and the enclosure 2 are implanted; if the shear wall 1 and the enclosure part 2 form an underground continuous mechanism after earth excavation and backfilling are carried out firstly or the shear wall 1 and the enclosure part 2 are directly implanted without earth excavation to form the underground continuous mechanism, the gap between the adjacent shear wall 1 and the adjacent enclosure part 2 needs to be cleaned, and the sealing element 9 is refilled for sealing.

Further, in order to reduce the cost, on the premise of ensuring the structural strength of the underground continuous mechanism, as shown in fig. 2, the enclosure 2 further includes at least one hollow portion 8, and the hollow portion 8 is located at least one end portion of the enclosure 2; alternatively, the hollow portion 8 is located in the middle of the enclosure 2; alternatively, the hollow portion 8 is provided along the longitudinal direction of the enclosure 2 and penetrates the enclosure 2. The arrangement positions and the number of the hollow portions 8 and the specific shape of the hollow portions 8 are selected according to actual requirements, and are not limited specifically.

Further, the shear wall 1 can be L-shaped, T-shaped or I-shaped according to different arrangement positions of the shear wall 1; the selection is specifically performed according to the actual use scene.

Further, in order to facilitate production and transportation of the shear wall 1, the shear wall 1 is provided as a split structure, as shown in fig. 6-8, the shear wall 1 includes more than two wall bodies 11, and two adjacent wall bodies 11 are in radial and/or transverse butt joint; through dividing into a plurality of walls 11 with great volume shear force wall 1 to place and transport wall 11, improve the transportation convenience.

Further, in order to ensure that the shear wall 1 is connected with the enclosure 2 or other components to form a complete underground continuous mechanism, the top end and/or the bottom end of the shear wall 1 and/or the side wall far away from the concave-convex matching positioning structure are/is provided with an external installation part which is used for connecting the shear wall 1 with a prefabricated component, and the prefabricated component is one or a combination of a plurality of prefabricated columns, prefabricated walls, prefabricated beams, prefabricated piles, prefabricated plates and prefabricated blocks; the precast pile can be a T-shaped pile, a tubular pile, a square pile, a triangular pile, a polygonal pile and the like, and the precast member can be a constant-section precast member or a variable-section precast member, is not limited specifically, and is selected according to actual use conditions.

Further, in order to realize the quick and effective butt joint of the shear wall 1 and the enclosure 2 or the prefabricated part 7, the external installation part comprises a plurality of embedded parts 6 which are distributed at intervals at the top end and/or the bottom end of the shear wall 1 and/or far away from the side wall of the concave-convex matching positioning structure, wherein the embedded parts 6 can be used for realizing the vertical and/or transverse butt joint of the shear wall 1 and the enclosure 2 or the prefabricated part 7.

Further, the embedded parts 6 are embedded nuts, embedded metal plates, anchoring ribs and the like; in order to improve the reliability of the connection between the embedded part and the shear wall 1, the embedded part 6 is fixedly connected with a built-in framework of the shear wall 1; in order to increase the connection strength between the embedded part 6 and the shear wall 1, at least part of the embedded part 6 penetrates into the shear wall 1 and is fixedly connected with the framework of the shear wall 1, and preferably, one or a combination of several of bundling, welding, clamping, bonding and screwing is adopted. It is understood that the embedded parts 6 can also be arranged at corresponding positions of the enclosing parts 2 or the prefabricated parts 7 so as to complete the connection of the enclosing parts 2 or the prefabricated parts 7 and the shear wall 1.

Further, a structure of one of the embedded parts 6 is shown in fig. 8, where the shear wall 1 and the shear wall 1 are in vertical butt joint, as an example, the embedded part 6 includes a first connecting joint 61 located at the top end and/or the bottom end of the shear wall 1 and an inserting rod 62 connected to the first connecting joint 61, the first connecting joint 61 is in one-to-one correspondence with and connected to a stressed rib located in an inner frame of the shear wall 1, and further includes a second connecting joint 63 located at the top end and/or the bottom end of another shear wall 1 and a locking mechanism 64 embedded in the second connecting joint 63, the second connecting joint 63 is in one-to-one correspondence with and connected to a stressed rib located in the shear wall 1, and the inserting rod 62 can penetrate through the locking mechanism 64 and be reversely locked by the locking mechanism 64 to realize butt joint of the first connecting joint 61 and the second connecting joint 63, so as to realize vertical butt joint of the two adjacent shear walls 1. It is understood that the embedded part 6 is not limited to the above structure, and may be various and mostly in the prior art, and will not be described herein again.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.

Claims

1. The underground continuous mechanism is characterized by comprising at least one shear wall and at least one enclosing piece connected with the shear wall, wherein the side wall of the shear wall and the side wall of the enclosing piece form a concave-convex matching positioning structure;

the connecting end of the shear wall is approximately parallel to the end face of the connecting end of the enclosure.

2. The underground continuous mechanism of claim 1, wherein the male and female mating locating structures comprise a first buckling locating surface on the side wall of the shear wall and a second buckling locating surface on the side wall of the enclosure and matching with the first buckling locating surface.

3. The underground continuity mechanism according to claim 2, wherein the first bending positioning surface has at least one concave section and/or convex section, the second bending has at least one convex section and/or concave section, the concave section of the first bending positioning surface is matched with the convex section of the second bending positioning surface, and the convex section of the first bending positioning surface is matched with the concave section of the second bending positioning surface;

4. A mechanism according to claim 3, wherein a seal is provided between the shear wall and the enclosure to which it is attached, the seal filling the space formed by the combination of the curved portion of the shear wall and the curved portion of the enclosure to which it is attached.

5. A mechanism according to claim 4, wherein the seal is formed by grouting; alternatively, the sealing member is a sealing strip.

6. The underground continuous mechanism of claim 1, wherein the shear wall comprises a framework, the framework comprises stress bars and stirrups surrounding the stress bars, and the arrangement density of the stress bars of the shear wall is greater than or equal to that of the stress bars of the adjacent enclosure.

7. A subterranean continuous according to claim 1, wherein the shear wall is L-shaped or T-shaped or in-line;

preferably, the shear wall comprises more than two walls, and the two adjacent walls are in radial and/or transverse butt joint;

preferably, two adjacent walls are butted through embedded parts.

8. The underground continuous mechanism according to claim 1, wherein the top end and/or the bottom end of the shear wall and/or the side wall far away from the concave-convex matching positioning structure are/is provided with external installation parts, the external installation parts are used for connecting the shear wall and prefabricated components, and the prefabricated components are one or a combination of prefabricated columns, prefabricated walls, prefabricated beams, prefabricated piles, prefabricated plates and prefabricated blocks.

9. The mechanism of claim 8, wherein the external mounting portion comprises a plurality of embedments spaced apart from the top and/or bottom ends of the shear wall and/or the side walls remote from the male and female mating locating features.

10. An underground continuous mechanism according to claim 7 or 9, wherein the embedded parts are embedded nuts, embedded metal plates, anchoring ribs and the like;

preferably, the embedded part is connected and fixed with the built-in framework of the shear wall 1.