Fabricated underground diaphragm wall enclosure structure

Abstract

The utility model discloses a fabricated underground diaphragm wall enclosure structure, and relates to the field of fabricated buildings. The assembly type underground diaphragm wall enclosure structure comprises a prefabricated diaphragm wall, a splicing type prefabricated bottom plate is arranged at the bottom of the prefabricated diaphragm wall, the prefabricated diaphragm wall is formed by splicing a plurality of concrete prefabricated insertion plates, and an insertion piece is arranged between every two adjacent sets of concrete prefabricated insertion plates; the plug connector comprises an aluminum alloy plug bush and internal filling concrete. According to the fabricated underground diaphragm wall enclosure structure, a spliced prefabricated bottom plate is placed at the inner bottom of a pre-buried groove, a mounting base plane is constructed, insertion positioning is conducted through positioning blocks and positioning insertion grooves, an aluminum alloy insertion sleeve is inserted between every two adjacent sets of concrete prefabricated insertion plates, and concrete is poured and filled into the aluminum alloy insertion sleeves; in this way, the whole underground diaphragm wall enclosure structure can be rapidly constructed, the strength and perpendicularity after construction both reach a permanent inner protection structure, dismantling is not needed, and the underground diaphragm wall enclosure structure can be used as a permanent wall body.

Description

Technical Field

[0001] The utility model relates to the technical field of assembled buildings, in particular to an assembled underground continuous wall enclosure structure. Background Art

[0002] An underground continuous wall is a type of wall that is built during the excavation of an underground foundation pit. A ditch is dug around the foundation pit in advance, and then a continuous retaining wall is set up inside the ditch to form a enclosure. The foundation pit soil within the enclosure is then excavated away, thereby achieving a safety protection effect during the foundation pit excavation process.

[0003] The underground continuous wall in the current construction industry is usually cast in place. The guide wall is first cast on the top, and then mud water is poured in after digging under the guide wall. The mud water plays a role in maintaining pressure. The mud water is then pumped out to clean up the internal debris. Then, the steel frame is placed inside and cast in place.

[0004] However, the existing cast-in-place operation has a slow construction speed on the one hand, and on the other hand, the construction process has very high requirements on the verticality of the guide wall, the slump of the concrete during the casting process, and the temperature and humidity of the construction environment. If you are not careful, the cast continuous wall will be skewed and uneven, which makes it impossible to use the continuous wall as a permanent internal protection structure after the subsequent foundation pit excavation. It can only be demolished, resulting in delayed construction progress and high construction costs. For this reason, a prefabricated underground continuous wall enclosure structure is provided to solve the above problems. Utility Model Content

[0005] In response to the shortcomings of the existing technology, the utility model provides an assembled underground continuous wall enclosure structure, which solves the problems of the existing cast-in-place operation, which is slow in construction speed on the one hand and affected by the construction site conditions on the other hand, resulting in differences in the quality of the continuous wall. After the subsequent foundation pit excavation, the continuous wall cannot be used as a permanent internal protective structure and can only be demolished, resulting in delayed construction progress and high construction costs.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: an assembled underground continuous wall enclosure structure includes a prefabricated continuous wall, the bottom of which is provided with a spliced prefabricated bottom plate;

[0007] The prefabricated continuous wall is formed by splicing a plurality of prefabricated concrete plug-ins, and a plug-in piece is provided between two adjacent groups of the prefabricated concrete plug-ins;

[0008] The connector includes an aluminum alloy socket and filling concrete poured inside the aluminum alloy socket;

[0009] The sides of the prefabricated concrete inserting plate are provided with splicing slots, and the two sides of the aluminum alloy inserting sleeve are movably inserted into two groups of splicing slots.

[0010] Preferably, a transverse slot is provided in the top of the aluminum alloy socket and in the side wall of the splicing slot, and a limit rod is movably inserted in the transverse slot.

[0011] Preferably, a guide groove is provided at the top of the splicing slot, and the aluminum alloy socket is inserted into the splicing slot through the guide groove.

[0012] Preferably, the spliced prefabricated floor plate includes a prefabricated steel-concrete floor plate body and top connectors and bottom connectors integrally formed at both ends of the prefabricated steel-concrete floor plate body, and two adjacent groups of the prefabricated steel-concrete floor plate bodies are movably connected through the top connectors and the bottom connectors.

[0013] Preferably, an anti-slip hanging piece is integrally formed on the outer end of the top connecting piece, an anti-slip hanging groove is opened on the top of the inner end of the bottom connecting piece, and the anti-slip hanging piece is movably inserted in the anti-slip hanging groove.

[0014] Preferably, a positioning slot is provided on the top of the prefabricated steel-concrete bottom plate body, and a positioning block is integrally formed on the bottom of the prefabricated concrete insert plate, and the positioning block is movably inserted into the positioning slot.

[0015] The utility model discloses an assembled underground continuous wall enclosure structure, which has the following beneficial effects: a spliced prefabricated bottom plate is placed at the inner bottom of the embedded groove of the continuous wall to construct an installation base surface of the prefabricated continuous wall, and then a positioning block at the bottom of the prefabricated concrete plug-in plate is used to plug and position with a positioning slot at the top of the prefabricated steel-concrete bottom plate body to achieve installation of multiple prefabricated concrete plug-ins, and then an aluminum alloy plug-in sleeve is inserted between two adjacent groups of prefabricated concrete plug-ins, so that the two adjacent groups of prefabricated concrete plug-ins are tightly connected, and concrete is poured into the interior of the aluminum alloy plug-in sleeve to ensure later strength, so that the entire underground continuous wall enclosure structure can be quickly constructed, and the strength and verticality after construction reach a permanent internal protective structure, which does not need to be dismantled and can be used as a permanent wall. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0017] Figure 1 This is a schematic diagram of the overall construction status structure of the utility model;

[0018] Figure 2 This is an exploded view of the overall outer surface structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the outer surface structure of the prefabricated continuous wall of the utility model;

[0020] Figure 4 This is a schematic diagram of the spliced prefabricated base plate structure of the utility model.

[0021] In the figure: 1. Prefabricated continuous wall; 11. Prefabricated concrete plug-in plate; 12. Splicing slot; 13. Positioning block; 14. Guide groove; 2. Spliced prefabricated base plate; 21. Prefabricated steel-concrete base plate body; 22. Top connector; 23. Bottom connector; 24. Anti-slip hanging piece; 25. Anti-slip hanging slot; 26. Positioning slot; 3. Connector; 31. Aluminum alloy socket; 32. Filling concrete; 33. Limiting plug rod. DETAILED DESCRIPTION

[0022] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0023] The embodiments of the present application provide an assembled underground continuous wall enclosure structure to solve the problems of existing cast-in-place operations, which are slow in construction speed on the one hand and affected by the conditions of the construction site on the other hand, resulting in differences in the quality of the continuous wall. After the subsequent foundation pit excavation, the continuous wall cannot be used as a permanent internal protective structure and can only be demolished, resulting in delayed construction progress and high construction costs.

[0024] In order to better understand the above technical solution, the above technical solution will be described in detail below with reference to the accompanying drawings and specific implementation methods.

[0025] The embodiment of the utility model discloses an assembled underground continuous wall enclosure structure.

[0026] According to the attached Figure 1-4 As shown, it includes a prefabricated continuous wall 1, and a spliced prefabricated bottom plate 2 is provided at the bottom of the prefabricated continuous wall 1;

[0027] The prefabricated continuous wall 1 is formed by splicing a plurality of prefabricated concrete inserts 11, and a connector 3 is provided between two adjacent groups of prefabricated concrete inserts 11;

[0028] The connector 3 includes an aluminum alloy socket 31 and a filling concrete 32 cast inside the aluminum alloy socket 31;

[0029] The sides of the prefabricated concrete inserting plate 11 are provided with splicing slots 12 , and the two sides of the aluminum alloy inserting sleeve 31 are movably inserted into the two groups of splicing slots 12 .

[0030] By placing a spliced prefabricated bottom plate 2 at the inner bottom of the embedded groove of the continuous wall, the installation base of the prefabricated continuous wall 1 is constructed, and then the prefabricated concrete plug-in plate 11 is placed on the top of the spliced prefabricated bottom plate 2 to achieve the installation of multiple prefabricated concrete plug-in plates 11. Then, the aluminum alloy plug-in sleeve 31 is inserted between the two adjacent groups of prefabricated concrete plug-in plates 11, so that the two adjacent groups of prefabricated concrete plug-in plates 11 are tightly connected, and concrete 32 is poured into the interior of the aluminum alloy plug-in sleeve 31 to ensure the later strength. In this way, the entire underground continuous wall enclosure structure can be quickly constructed, and the strength and verticality after construction reach a permanent internal protective structure, which does not need to be dismantled and can be used as a permanent wall.

[0031] A transverse slot is provided at the top of the aluminum alloy socket 31 and in the side wall of the splicing slot 12 , and a limit rod 33 is movably inserted in the transverse slot to prevent the aluminum alloy socket 31 from sliding vertically during installation.

[0032] A guide groove 14 is provided at the top of the splicing slot 12, and the aluminum alloy socket 31 is inserted into the splicing slot 12 through the guide groove 14, which facilitates the downward insertion and installation of the aluminum alloy socket 31. The aluminum alloy socket 31 and the splicing slot 12 adopt an interference fit. The wall thickness of the aluminum alloy socket 31 is designed to be thin, so that the aluminum alloy socket 31 can be deformed inward during installation to ensure the tightness of the assembly. After assembly, the filling concrete 32 is poured immediately. After the filling concrete 32 solidifies, it plays a compressive support effect, ensuring the connection strength between the two adjacent groups of concrete prefabricated plug plates 11, while reducing the cost of metal components.

[0033] The spliced prefabricated base plate 2 includes a prefabricated steel-concrete base plate body 21 and a top connector 22 and a bottom connector 23 integrally formed at both ends of the prefabricated steel-concrete base plate body 21. The two adjacent groups of prefabricated steel-concrete base plate bodies 21 are movably connected through the top connector 22 and the bottom connector 23. The outer end of the top connector 22 is integrally formed with an anti-detachment hanging part 24, and the inner end top of the bottom connector 23 is provided with an anti-detachment hanging groove 25, and the anti-detachment hanging part 24 is movably inserted into the anti-detachment hanging groove 25.

[0034] During actual assembly, the top connector 22 and the bottom connector 23 are used for positioning, and the anti-slip hanging groove 25 is plugged into the anti-slip hanging piece 24 to provide axial tensile resistance, thereby ensuring the axial connection strength. During actual construction, the inner bottom condition of the continuous wall embedded groove is pre-surveyed. If the bottom flatness and the hardness of the foundation pit bottom meet the construction standards, the spliced prefabricated base plate 2 can be directly installed. If not, it is necessary to cast a thin base layer at the bottom of the foundation pit, and use self-leveling to ensure flatness.

[0035] A positioning slot 26 is provided on the top of the prefabricated steel-concrete base plate body 21, and a positioning block 13 is integrally formed on the bottom of the prefabricated concrete plug-in plate 11. The positioning block 13 is movably inserted into the positioning slot 26 to limit the installation position of the prefabricated concrete plug-in plate 11, while ensuring that the prefabricated continuous wall 1 is tightly connected to the spliced prefabricated base plate 2. After the subsequent foundation pit excavation is completed, the inner guide wall is removed. At this time, it is necessary to pour the gap between the prefabricated continuous wall 1 and the inner wall of the spliced prefabricated base plate 2, and then perform waterproofing to avoid groundwater leakage when it is used as a permanent wall in the future.

[0036] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. An assembled underground continuous wall enclosure structure, comprising a prefabricated continuous wall (1), characterized in that: The bottom of the prefabricated continuous wall (1) is provided with a spliced prefabricated bottom plate (2); The prefabricated continuous wall (1) is formed by splicing a plurality of prefabricated concrete inserts (11), and a connector (3) is provided between two adjacent groups of the prefabricated concrete inserts (11); The connector (3) comprises an aluminum alloy sleeve (31) and filling concrete (32) cast inside the aluminum alloy sleeve (31); The side surface of the concrete prefabricated inserting plate (11) is provided with a splicing slot (12), and the two sides of the aluminum alloy inserting sleeve (31) are movably inserted into two groups of splicing slots (12).

2. The assembled underground continuous wall enclosure structure according to claim 1 is characterized in that: A transverse slot is provided at the top of the aluminum alloy insert (31) and in the side wall of the splicing slot (12), and a limit rod (33) is movably inserted in the transverse slot.

3. The assembled underground continuous wall enclosure structure according to claim 2 is characterized in that: A guide groove (14) is provided at the top of the splicing slot (12), and the aluminum alloy insert (31) is inserted into the splicing slot (12) through the guide groove (14).

4. The assembled underground continuous wall enclosure structure according to claim 1 is characterized in that: The spliced prefabricated bottom plate (2) comprises a prefabricated steel-concrete bottom plate body (21) and a top connector (22) and a bottom connector (23) integrally formed at both ends of the prefabricated steel-concrete bottom plate body (21); two adjacent groups of the prefabricated steel-concrete bottom plate bodies (21) are movably connected via the top connector (22) and the bottom connector (23).

5. The assembled underground continuous wall enclosure structure according to claim 4 is characterized in that: An anti-drop hanging piece (24) is integrally formed on the outer end of the top connecting piece (22), an anti-drop hanging groove (25) is provided on the inner top of the bottom connecting piece (23), and the anti-drop hanging piece (24) is movably inserted into the anti-drop hanging groove (25).

6. The assembled underground continuous wall enclosure structure according to claim 4 is characterized in that: A positioning slot (26) is provided on the top of the prefabricated steel-concrete bottom plate body (21), and a positioning block (13) is integrally formed on the bottom of the prefabricated concrete insert plate (11), and the positioning block (13) is movably inserted into the positioning slot (26).

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