A prefabricated support structure combining permanent and temporary structures

Abstract

This utility model discloses a prefabricated support structure combining permanent and temporary functions, comprising multiple prefabricated retaining support components. Each component includes a reinforced concrete base slab, trapezoidal reinforced concrete piers, side reinforced concrete slabs, reinforced concrete protrusions, and interlocking reinforced concrete through-plates and interlocking external protrusions. This prefabricated support structure, through the splicing and installation of prefabricated retaining support components, forms a protective wall on the outer side of the construction site, thus achieving rapid formation of foundation pit protection support and a temporary retaining wall design. Simultaneously, the basement exterior wall can be directly integrated with the assembled prefabricated retaining support components for masonry construction. By pressing backfill soil onto the right top surface of the reinforced concrete base slab, the weight of the backfill soil on the reinforced concrete base slab is converted into horizontal earth pressure on the side of the side reinforced concrete slab, providing support and ensuring the permanent, stable use of the basement exterior wall, thereby achieving cost reduction and efficiency improvement.

Description

Technical Field

[0001] This utility model relates to the field of retaining wall technology, specifically a prefabricated support structure that combines permanent and temporary structures. Background Technology

[0002] The concept of combining permanent and temporary structures is a design philosophy applied in the field of building engineering. Its core idea is to combine permanent and temporary structures to save space, materials and construction costs. It is a technology that integrates the planning and construction of temporary and permanent facilities in building construction. Through reasonable planning and resource allocation, some permanent facilities can be put into use in advance during the construction phase, reducing the investment in temporary facilities and achieving the goal of cost reduction and efficiency improvement. Specifically, the combination of permanent and temporary structures means considering long-term development in the design phase.

[0003] In conventional villa construction, the basement design requires an immediate temporary anti-collapse plan after excavation to prevent pit wall collapse during construction and ensure workers can continue working safely. However, most existing temporary retaining walls are designed with slopes and mortar poured for temporary protection. During backfilling, these walls need to be removed by excavators. In addition, to ensure the stability of the villa basement exterior walls, a secondary support plan is required to reinforce the retaining walls. Therefore, this approach is inefficient and wasteful.

[0004] Therefore, in response to the above problems, this application proposes a prefabricated support structure that combines on-site protection construction of the foundation pit in the early stage with the subsequent construction of retaining walls for the outer wall. This reduces the difficulty of the later construction of retaining walls for the villa basement and improves its work efficiency, thus achieving the effect of cost reduction and efficiency improvement. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] To address the shortcomings of existing technologies, this utility model provides a prefabricated support structure that combines permanent and temporary features, thus solving the problems mentioned in the background section.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, this utility model provides the following technical solution: a precast support structure combining permanent and temporary structures, comprising multiple precast retaining support components. Each precast retaining support component includes a reinforced concrete base slab, a trapezoidal reinforced concrete pier, side reinforced concrete slabs, reinforced concrete protrusions, snap-fit ​​reinforced concrete through-plates, and snap-fit ​​external protrusions. The bottoms of the trapezoidal reinforced concrete pier and the side reinforced concrete slabs are inserted into grooves opened at the top of the reinforced concrete base slab. Multiple snap-fit ​​reinforced concrete through-plates are fixedly cast on the left side of the trapezoidal reinforced concrete pier, and multiple reinforced concrete protrusions are fixedly cast at the bottom of the snap-fit ​​reinforced concrete through-plates. The trapezoidal reinforced concrete pier, the reinforced concrete protrusions, and the... The reinforced concrete slabs are integrally cast using reinforced concrete. The top of the reinforced concrete base slab has a slot for engaging with the reinforced concrete protrusions, and the side of the side reinforced concrete slab has a through-hole for engaging with the reinforced concrete slabs. The bottom of the reinforced concrete protrusions is inserted into the slot at the top of the reinforced concrete base slab. The left side of the reinforced concrete slab passes through the through-hole on the side of the side reinforced concrete slab. A brick wall is built on the left side of the side reinforced concrete slab, and a toothed groove is provided on the left side of the side reinforced concrete slab. Bricks are inserted into the toothed groove on the left side of the side reinforced concrete slab.

[0009] Preferably, two snap-fit ​​protruding plates are fixedly cast on the top surface of the reinforced concrete base plate. The two snap-fit ​​protruding plates are symmetrically distributed in front and behind the middle of the trapezoidal reinforced concrete pier. The reinforced concrete base plate and the snap-fit ​​protruding plates are integrally cast with reinforced concrete. A prefabricated connecting plate is slidably inserted between the two adjacent snap-fit ​​protruding plates.

[0010] Preferably, the precast connecting plate is located above the gap between two adjacent reinforced concrete base plates. The top and bottom of the precast connecting plate are fixedly cast with upper and lower locking protrusions. The precast connecting plate, the upper locking protrusion, and the lower locking protrusion are all integrally cast with concrete. The inner wall of the locking outer protrusion is slidably connected to the surface of the upper locking protrusion. The bottom of the lower locking protrusion is inserted into the sliding groove rail opened on the top surface of the reinforced concrete base plate and is slidably connected to the inner wall of the sliding groove rail.

[0011] Preferably, a precast reinforced concrete insert plate is inserted on the left side of the reinforced concrete base plate, and slots for use with the precast reinforced concrete insert plate are provided on the lower sides of both the side retaining reinforced concrete slab and the trapezoidal reinforced concrete pier. The right side of the precast reinforced concrete insert plate passes through the slot at the bottom of the side retaining reinforced concrete slab and extends into the slot on the side of the trapezoidal reinforced concrete pier.

[0012] Preferably, an external pressure plate is fixedly cast on the left side of the precast reinforced concrete insert plate. The precast reinforced concrete insert plate and the external pressure plate are integrally cast with reinforced concrete. An expansion bolt is installed and inserted on the side of the external pressure plate, and the right end of the expansion bolt is inserted into the interior of the reinforced concrete base plate.

[0013] (III) Beneficial Effects

[0014] This utility model provides a prefabricated support structure that combines permanent and temporary structures. It has the following beneficial effects:

[0015] (1) This prefabricated support structure, combining permanent and temporary structures, is assembled on-site. Trapezoidal reinforced concrete piers and side-protection reinforced concrete slabs are inserted into slots in the reinforced concrete base slab. The trapezoidal reinforced concrete pier's left-side connecting reinforced concrete through-plate passes through the side-protection reinforced concrete slab's connecting slot, and the reinforced concrete protrusion inserts into slots on the top surface of the reinforced concrete base slab. Simultaneously, prefabricated reinforced concrete inserts are inserted from the left side of the reinforced concrete base slab, passing through the connecting slots below the side-protection reinforced concrete slab and extending into the slot below the left side of the trapezoidal reinforced concrete pier. These are then fixed with expansion bolts. This allows for direct on-site assembly of prefabricated retaining wall components. Through the splicing and installation of these prefabricated retaining wall components, a protective wall is formed on the outer side of the construction site, achieving rapid formation of foundation pit protection support and fulfilling the design requirements for a temporary retaining wall. This design facilitates construction and, in conjunction with the later interlocking brickwork, allows the basement exterior wall to be directly integrated with the assembled prefabricated retaining wall support components. By pressing backfill soil onto the top right side of the reinforced concrete base slab, and utilizing trapezoidal reinforced concrete piers and interlocking reinforced concrete slabs, the side retaining reinforced concrete slab and the trapezoidal reinforced concrete piers are firmly connected and interlocked to form a unified whole. The pressure of the backfill soil on the reinforced concrete base slab converts the weight of the backfill soil into horizontal earth pressure on the side retaining reinforced concrete slab, providing support and strengthening its compressive strength. This significantly improves the resistance to earth pressure from the backfill soil, making the basement exterior wall safer and more stable for long-term use, thus achieving cost reduction and efficiency improvement. Attached Figure Description

[0016] Figure 1 This is a front view of the structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of this utility model;

[0018] Figure 3 This is a top view of the structure of this utility model being installed.

[0019] Figure 4 The structure of this utility model Figure 3 A top-view cross-section;

[0020] Figure 5 This is a cross-sectional schematic diagram of the prefabricated retaining wall support structure of this utility model;

[0021] Figure 6 This is a top view of the single prefabricated retaining support structure of this utility model;

[0022] Figure 7 The structure of this utility model Figure 2 Enlarged view of point A;

[0023] Figure 8 This is a schematic diagram of the side connection between the prefabricated connecting plate and two adjacent snap-fit ​​protruding plates of this utility model.

[0024] In the diagram: 1. Precast retaining wall support; 101. Reinforced concrete base slab; 102. Trapezoidal reinforced concrete pier; 103. Side reinforced concrete slab; 104. Reinforced concrete protrusion; 105. Snap-fit ​​reinforced concrete through slab; 2. Brick wall; 3. Precast reinforced concrete insert slab; 4. External pressure tie plate; 5. Expansion bolt; 6. Snap-fit ​​external protrusion plate; 7. Precast connecting plate; 8. Upper snap-fit ​​protrusion; 9. Lower snap-fit ​​protrusion; 10. Slide rail. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] like Figure 1-8As shown, this utility model provides a technical solution: a precast support structure combining permanent and temporary structures, including multiple precast retaining support components 1. Each precast retaining support component 1 includes a reinforced concrete base slab 101, a trapezoidal reinforced concrete pier 102, a side reinforced concrete slab 103, a reinforced concrete protrusion 104, a snap-fit ​​reinforced concrete through plate 105, and a snap-fit ​​outward protrusion plate 6. The bottoms of the trapezoidal reinforced concrete pier 102 and the side reinforced concrete slab 103 are inserted into grooves opened at the top of the reinforced concrete base slab 101. A precast reinforced concrete insert plate 3 is inserted into the left side of the reinforced concrete base slab 101. The lower sides of the side reinforced concrete slab 103 and the trapezoidal reinforced concrete pier 102 are provided with slots for use with the precast reinforced concrete insert plate 3. The right side of the precast reinforced concrete insert plate 3 passes through the slots opened at the bottom of the side reinforced concrete slab 103. The groove extends into the slot opening on the side of the trapezoidal reinforced concrete pier 102. An external pressure plate 4 is fixedly cast on the left side of the precast reinforced concrete insert 3. The precast reinforced concrete insert 3 and the external pressure plate 4 are integrally cast with reinforced concrete. Expansion bolts 5 are inserted into the side of the external pressure plate 4, with the right end of the expansion bolts 5 inserted into the interior of the reinforced concrete base slab 101. Multiple snap-fit ​​reinforced concrete through-plates 105 are fixedly cast on the left side of the trapezoidal reinforced concrete pier 102. Multiple reinforced concrete protrusions 104 are fixedly cast at the bottom of the snap-fit ​​reinforced concrete through-plates 105. The trapezoidal reinforced concrete pier 102, the reinforced concrete protrusions 104, and the snap-fit ​​reinforced concrete through-plates 105 are all integrally cast with reinforced concrete. The precast reinforced concrete insert 3, the trapezoidal reinforced concrete pier 102, and the reinforced concrete protrusions 104 are all integrally cast with reinforced concrete. The installation of the 04 and the snap-fit ​​reinforced concrete through-slab 105 allows the snap-fit ​​reinforced concrete through-slab 105 on the left side of the trapezoidal reinforced concrete pier 102 to pass through the snap-fit ​​through-hole of the side retaining reinforced concrete slab 103, and the reinforced concrete protrusion 104 to insert into the snap-fit ​​slot on the top surface of the reinforced concrete base slab 101. Simultaneously, the precast reinforced concrete insert 3 is inserted from the left side of the reinforced concrete base slab 101, passes through the snap-fit ​​through-hole below the side retaining reinforced concrete slab 103, and extends into the snap-fit ​​slot on the lower left side of the trapezoidal reinforced concrete pier 102. It is then fixed with expansion bolts 5, thus achieving a more stable connection between the side retaining reinforced concrete slab 103 and the reinforced concrete base slab 101. The top of the reinforced concrete base slab 101 has a snap-fit ​​slot for use with the reinforced concrete protrusion 104, and the side retaining reinforced concrete slab 103... The side of the reinforced concrete slab 105 has a snap-fit ​​opening for use with the snap-fit ​​through-slab 105. The bottom of the reinforced concrete protrusion 104 is inserted into the snap-fit ​​groove opened at the top of the reinforced concrete base slab 101. The left side of the snap-fit ​​through-slab 105 passes through the snap-fit ​​opening on the side of the side retaining reinforced concrete slab 103. A brick wall 2 is built on the left side of the side retaining reinforced concrete slab 103. A toothed groove is opened on the left side of the side retaining reinforced concrete slab 103. Bricks are inserted into the toothed groove on the left side of the side retaining reinforced concrete slab 103. By setting the left side of the side retaining reinforced concrete slab 103 and using the brick wall 2 to interlock with the toothed groove on the left side of the side retaining reinforced concrete slab 103, the basement exterior wall can be directly combined with the assembled prefabricated retaining support component 1 for construction, so as to provide stable and reliable support for its exterior wall.To stabilize and resist the backfill soil on the outside, two snap-fit ​​protruding plates 6 are fixedly cast on the top surface of the reinforced concrete base slab 101. The two snap-fit ​​protruding plates 6 are symmetrically distributed front and back around the middle of the trapezoidal reinforced concrete pier 102. The reinforced concrete base slab 101 and the snap-fit ​​protruding plates 6 are integrally cast with reinforced concrete. A precast connecting plate 7 is slidably inserted between two adjacent snap-fit ​​protruding plates 6. The precast connecting plate 7 is located above the gap between two adjacent reinforced concrete base slabs 101. The top and bottom of the precast connecting plate 7 are fixedly cast with upper snap-fit ​​protrusions 8 and lower snap-fit ​​protrusions. 9. The precast connecting plate 7, the upper snap-fit ​​protrusion 8, and the lower snap-fit ​​protrusion 9 are all integrally cast with concrete. The inner wall of the snap-fit ​​outer protrusion 6 is slidably connected to the surface of the upper snap-fit ​​protrusion 8. The bottom of the lower snap-fit ​​protrusion 9 is inserted into the sliding rail 10 opened on the top surface of the reinforced concrete base plate 101 and is slidably connected to the inner wall of the sliding rail 10. Through the arrangement of the snap-fit ​​outer protrusion 6, the precast connecting plate 7, the upper snap-fit ​​protrusion 8, and the lower snap-fit ​​protrusion 9, the precast connecting plate 7 is slidably inserted into two adjacent snap-fit ​​outer protrusions 6, splicing and connecting multiple precast retaining wall support components 1 together.

[0027] In use, firstly, assemble the precast retaining support component 1 on-site. Then, insert the trapezoidal reinforced concrete pier 102 with its left side, connecting the reinforced concrete through-plate 105 through the through-hole of the side retaining reinforced concrete slab 103. Next, insert the bottom ends of the trapezoidal reinforced concrete pier 102 and the side retaining reinforced concrete slab 103 into the slots of the reinforced concrete base slab 101, and insert the reinforced concrete protrusion 104 into the slot on the top surface of the reinforced concrete base slab 101. Finally, insert the precast reinforced concrete insert plate 3 from the left side of the reinforced concrete base slab 101, passing through the side retaining reinforced concrete slab. The snap-fit ​​opening below 103 extends and inserts into the snap-fit ​​groove on the lower left side of the trapezoidal reinforced concrete pier 102. Finally, the expansion bolts 5 are inserted into the interior of the reinforced concrete base slab 101 for installation and fixation. Multiple prefabricated retaining support components 1 are then assembled and placed in the designed position. Subsequently, the prefabricated connecting plates 7 are slidably inserted into the snap-fit ​​protruding plates 6 on the surfaces of two adjacent reinforced concrete base slabs 101. After installation, a protective wall is formed on the outer side of the construction site, achieving a temporary retaining wall design, facilitating worker construction. Later... When backfilling is required on the outer side of the basement, the brick wall 2 is immediately joined to the toothed joint groove on the left side of the side retaining reinforced concrete slab 103, achieving the effect that the basement exterior wall can be directly combined with the assembled prefabricated retaining support component 1 for construction, and providing stable and reliable support for its exterior wall. When the backfill soil is piled on the right top surface of the reinforced concrete base slab 101, the side retaining reinforced concrete slab 103 and the trapezoidal reinforced concrete pier 102 are firmly connected and joined together to form a complete structure through the insertion and interlocking of the trapezoidal reinforced concrete pier 102 and the snap-fit ​​reinforced concrete through-plate 105. The body utilizes the weight of the backfill soil to press on the reinforced concrete base slab 101, converting the weight of the backfill soil into horizontal earth pressure on the side of the side-protecting reinforced concrete slab 103, thus providing a supporting effect. This greatly improves the resistance to the earth pressure on the side of the backfill soil by assembling the precast retaining support component 1 in combination with the brick wall 2, thereby making the permanent external wall of the basement safer and more stable for future use, and achieving the purpose of cost reduction and efficiency improvement. At the same time, the contents not described in detail in this specification are all existing technologies known to those skilled in the art.

[0028] In summary, this prefabricated support structure combining permanent and temporary structures, through on-site assembly, utilizes trapezoidal reinforced concrete piers 102 and side-protection reinforced concrete slabs 103 inserted into the slots of the reinforced concrete base slab 101. The trapezoidal reinforced concrete pier 102's left-side retaining reinforced concrete through-plate 105 passes through the retaining reinforced concrete slab 103's through-hole, and the reinforced concrete protrusion 104 is inserted into the slot on the top surface of the reinforced concrete base slab 101. Simultaneously, prefabricated reinforced concrete inserts 3 are inserted from the left side of the reinforced concrete base slab 101, passing through the through-hole below the side-protection reinforced concrete slab 103, and extending into the slot below the left side of the trapezoidal reinforced concrete pier 102. These are then fixed using expansion bolts 5. This allows for direct on-site assembly of the prefabricated retaining support components 1, forming a protective wall on the outer side of the construction site. This achieves rapid formation of foundation pit protection support, providing temporary retaining capacity. The wall design facilitates construction and, in conjunction with the later interlocking masonry of brick wall 2, allows the basement exterior wall to be directly integrated with the assembled precast retaining wall support 1. Backfill soil is pressed onto the right top surface of the reinforced concrete base slab 101. Utilizing the design of trapezoidal reinforced concrete piers 102 and interlocking reinforced concrete through-slabs 105, the side-protecting reinforced concrete slab 103 and the trapezoidal reinforced concrete piers 102 are firmly connected and interlocked to form a whole. The pressure of the backfill soil on the reinforced concrete base slab 101 converts the weight of the backfill soil into horizontal earth pressure on the side of the side-protecting reinforced concrete slab 103, providing support and strengthening the side-protecting reinforced concrete slab 103's compressive strength. This significantly improves the resistance to earth pressure on the side of the backfill soil when the assembled precast retaining wall support 1 is combined with brick wall 2, making the basement exterior wall safer and more stable for permanent use, thus achieving cost reduction and efficiency improvement.

[0029] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A prefabricated support structure combining permanent and temporary structures, comprising multiple prefabricated retaining support components (1), characterized in that: The precast retaining wall support (1) includes a reinforced concrete base slab (101), a trapezoidal reinforced concrete pier (102), a side reinforced concrete slab (103), a reinforced concrete protrusion (104), a snap-fit ​​reinforced concrete through-plate (105), and a snap-fit ​​outer protrusion (6). The bottoms of the trapezoidal reinforced concrete pier (102) and the side reinforced concrete slab (103) are inserted into the grooves opened at the top of the reinforced concrete base slab (101). Multiple snap-fit ​​reinforced concrete through-plates (105) are fixedly cast on the left side of the trapezoidal reinforced concrete pier (102). Multiple reinforced concrete protrusions (104) are fixedly cast at the bottom of the snap-fit ​​reinforced concrete through-plates (105). The trapezoidal reinforced concrete pier (102), the reinforced concrete protrusions (104), and the snap-fit ​​reinforced concrete through-plates (105) are all connected by reinforced concrete. The concrete is cast in one piece. The top of the reinforced concrete base plate (101) is provided with a slot for use with the reinforced concrete protrusion (104). The side of the side retaining reinforced concrete plate (103) is provided with a snap-fit ​​opening for use with the snap-fit ​​reinforced concrete through plate (105). The bottom of the reinforced concrete protrusion (104) is inserted into the slot opened at the top of the reinforced concrete base plate (101). The left side of the snap-fit ​​reinforced concrete through plate (105) passes through the snap-fit ​​opening opened on the side of the side retaining reinforced concrete plate (103). A brick wall (2) is built on the left side of the side retaining reinforced concrete plate (103). A toothed groove is opened on the left side of the side retaining reinforced concrete plate (103). Bricks are inserted into the toothed groove opened on the left side of the side retaining reinforced concrete plate (103).

2. The prefabricated support structure for permanent and temporary integration according to claim 1, characterized in that: Two snap-fit ​​protruding plates (6) are fixedly cast on the top surface of the reinforced concrete base plate (101). The two snap-fit ​​protruding plates (6) are symmetrically distributed in front and behind the middle of the trapezoidal reinforced concrete pier (102). The reinforced concrete base plate (101) and the snap-fit ​​protruding plates (6) are integrally cast with reinforced concrete. A prefabricated connecting plate (7) is slidably inserted between the two adjacent snap-fit ​​protruding plates (6).

3. A prefabricated support structure combining permanent and temporary structures according to claim 2, characterized in that: The precast connecting plate (7) is located above the gap between two adjacent reinforced concrete base plates (101). The top and bottom of the precast connecting plate (7) are fixedly cast with upper snap-fit ​​protrusions (8) and lower snap-fit ​​protrusions (9). The precast connecting plate (7), upper snap-fit ​​protrusions (8) and lower snap-fit ​​protrusions (9) are all cast by integral concrete molding. The inner wall of the snap-fit ​​outer protrusion plate (6) is slidably connected to the surface of the upper snap-fit ​​protrusion (8). The bottom of the lower snap-fit ​​protrusion (9) is inserted into the slide rail (10) opened on the top surface of the reinforced concrete base plate (101) and is slidably connected to the inner wall of the slide rail (10).

4. A prefabricated support structure combining permanent and temporary structures according to claim 1, characterized in that: A precast reinforced concrete insert plate (3) is inserted into the left side of the reinforced concrete base plate (101). The lower sides of the side protection reinforced concrete plate (103) and the trapezoidal reinforced concrete pier (102) are provided with slots for use with the precast reinforced concrete insert plate (3). The right side of the precast reinforced concrete insert plate (3) passes through the slot at the bottom of the side protection reinforced concrete plate (103) and extends into the slot on the side of the trapezoidal reinforced concrete pier (102).

5. A prefabricated support structure combining permanent and temporary structures according to claim 4, characterized in that: An external pressure plate (4) is fixedly cast on the left side of the precast reinforced concrete insert plate (3). The precast reinforced concrete insert plate (3) and the external pressure plate (4) are integrally cast with reinforced concrete. An expansion bolt (5) is installed and inserted on the side of the external pressure plate (4). The right end of the expansion bolt (5) is inserted into the interior of the reinforced concrete base plate (101).

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