CN219137641U - Assembled connecting wall - Google Patents

Abstract

The utility model discloses an assembled connecting wall, which relates to the technical field of deep foundation pit support of constructional engineering and comprises a plurality of continuous wall precast blocks which are arranged in an array mode along the horizontal direction, wherein the continuous wall precast blocks are formed by stacking a plurality of continuous wall precast blocks along the vertical direction, a first connecting structure is arranged on the side face of each continuous wall precast block, two adjacent continuous wall precast blocks are connected together through the first connecting structure, so that the plurality of continuous wall precast blocks which are arranged in the array mode along the horizontal direction can be assembled into a continuous wall body, a second connecting structure and a third connecting structure are formed after the continuous wall precast blocks are stacked along the vertical direction, a first connecting component is arranged in the second connecting structure, and a second connecting component is arranged in the third connecting structure. The assembled connecting wall is convenient to construct and meanwhile can effectively save the construction period of the continuous wall.

Description

Assembled connecting wall

Technical Field

The utility model relates to the technical field of deep foundation pit support in constructional engineering, in particular to an assembled connecting wall.

Background

The underground diaphragm wall is the most powerful and effective large foundation pit supporting form in the foundation pit engineering at present, and by utilizing various grooving machines and the wall protection effect of slurry, narrow and deep grooves are dug underground, and proper materials are poured into the grooves, so that a continuous underground wall with the functions of seepage prevention, water prevention, soil blocking and bearing is formed. At present, the construction of the underground continuous wall mainly adopts a cast-in-place concrete construction process, but the construction process has the following problems: 1. under special geological conditions (such as very soft mucky soil, deep sand layer, and drift-stone-containing alluvium layer), the construction difficulty is great; 2. the underground diaphragm wall process is invisible, the joint position of the adjacent concrete section is difficult to process, and the problems of misalignment and water leakage of the adjacent wall section are easy to occur; 3. the wall surface of the cast-in-situ structure has poor quality, and the phenomenon of exposed reinforcing steel bars often occurs; 4. in urban construction, the disposal of waste mud is troublesome.

Disclosure of Invention

The present utility model aims to solve, at least to some extent, one of the above technical problems in the prior art. Therefore, the embodiment of the utility model provides the assembled connecting wall, which is convenient for construction and assembly of the continuous wall, and simultaneously can solve the problems that adjacent wall sections cannot be aligned and water leakage occurs.

According to the assembled connecting wall, the assembled connecting wall comprises a plurality of continuous wall precast blocks which are arranged in an array mode along the horizontal direction, the continuous wall precast blocks are formed by stacking a plurality of continuous wall precast blocks along the vertical direction, a first connecting structure is arranged on the side face of each continuous wall precast block, two adjacent continuous wall precast blocks are connected together through the first connecting structure, so that the plurality of continuous wall precast blocks which are arranged in an array mode along the horizontal direction can be assembled into a continuous wall body, a second connecting structure and a third connecting structure are formed after the continuous wall precast blocks are stacked along the vertical direction, a first connecting component is arranged in the second connecting structure, and a second connecting component is arranged in the third connecting structure.

The assembled continuous wall has the following beneficial effects: through prefabricating the prefabricated partition of diaphragm wall in advance, then assemble the prefabricated partition of diaphragm wall into a section diaphragm wall prefabricated section on the spot again, at last through the combination of multisection diaphragm wall prefabricated section forms the diaphragm wall body, adopt vertical layering, the design of horizontal sectioning, convenient assembly construction, in addition, connect fixedly through first connection structure between the prefabricated partition of adjacent diaphragm wall, the airtight laminating of the prefabricated partition of adjacent diaphragm wall of being convenient for, effectively avoid the condition of leaking and infiltration of junction, after multisection diaphragm wall prefabricated section connects into the diaphragm wall body, place first connecting member in the second connection structure, place second connecting member in the third connection structure, realize the reinforcement to the diaphragm wall body through the cooperation of second connection structure and first connecting member, third connecting structure and second connecting member. The continuous wall can be prefabricated in a factory or a site in advance for assembly, and compared with the original cast-in-situ construction, the continuous wall has the advantages of more controllable quality, short construction period, quick formation and more guarantee; the size specification and the connection mode of the wall body of the continuous wall body can be adjusted according to geological conditions in an assembled construction mode, construction adjustment is carried out, and the manufacturing cost is more controllable.

According to the fabricated connecting wall provided by the embodiment of the utility model, the first connecting structure is arranged on the side surface of the prefabricated continuous wall partition, which is parallel to the horizontal array direction of the prefabricated continuous wall partition, and the first connecting structure is close to the side surface edge of the prefabricated continuous wall partition.

According to the fabricated connecting wall provided by the embodiment of the utility model, the first connecting structure comprises a first connecting piece, a second connecting piece and at least one notch, a channel for butt joint is arranged in the notch, the first connecting piece is arranged between two mutually butt-jointed channels, and the second connecting piece is used for limiting the first connecting piece to be separated from the channel.

According to the assembled connecting wall provided by the embodiment of the utility model, the notch is in a V shape, the channel is in an arc shape, the end part of the first connecting piece is positioned in the notch after penetrating through the two channels which are mutually butted, and the end part of the first connecting piece is connected with the second connecting piece.

According to the assembled connecting wall, the first connecting piece and the second connecting piece are connected together in a threaded mode.

According to the assembled connecting wall provided by the embodiment of the utility model, the first connecting piece is an arc-shaped bolt which can be matched with the channel, and the second connecting piece is a nut which can be matched with the arc-shaped bolt.

According to the fabricated connecting wall provided by the embodiment of the utility model, the prefabricated continuous wall blocks are provided with a plurality of grouting holes penetrating through two ends, and after the prefabricated continuous wall blocks are stacked in the vertical direction, the grouting holes at the same position are sequentially butted to form the second connecting structure, and concrete is poured in the second connecting structure to form the first connecting component.

According to the fabricated connecting wall provided by the embodiment of the utility model, the prefabricated continuous wall blocks are provided with the connecting holes penetrating through two ends, after a plurality of prefabricated continuous wall blocks are stacked along the vertical direction, the connecting holes at the same position are sequentially butted to form the third connecting structure, the butted positions of the two connecting holes are provided with the connecting steel cylinders, and concrete is poured in the connecting steel cylinders to form the second connecting component.

According to the assembled connecting wall provided by the embodiment of the utility model, the connecting steel cylinders in the same third connecting structure are sequentially connected, and connecting steel bars are arranged at the butt joint positions of two adjacent connecting steel cylinders.

According to the assembled connecting wall provided by the embodiment of the utility model, the prefabricated continuous wall blocks positioned at the end part of the continuous wall body are provided with the butt joint reinforcing steel bars for connecting with the outside.

Drawings

The utility model is further described below with reference to the drawings and examples;

FIG. 1 is a schematic diagram of a first embodiment of the present utility model;

FIG. 2 is a second schematic diagram of an embodiment of the present utility model;

FIG. 3 is a schematic diagram of a third embodiment of the present utility model;

FIG. 4 is a schematic diagram of a fourth embodiment of the present utility model;

FIG. 5 is a schematic diagram of a fifth embodiment of the present utility model;

FIG. 6 is a schematic view of a first embodiment of the present utility model wherein two adjacent prefabricated continuous wall panels are connected together by a first connecting structure;

fig. 7 is a schematic diagram of a second embodiment of the present utility model, in which two adjacent prefabricated continuous wall panels are connected together by a first connecting structure.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

The underground diaphragm wall is a kind of slot-digging machinery used in foundation engineering on the ground, a long and narrow deep slot is dug along the peripheral axis of the deep-digging engineering under the condition of mud wall protection, after the slot is cleared, the reinforcement cage is hung in the slot, then the underwater concrete is poured by duct method to construct a unit slot section, so that a continuous reinforced concrete wall is built underground section by section, and is used as water-intercepting, seepage-proofing, bearing and water-retaining structure. At present, an underground continuous wall mainly adopts a cast-in-place concrete construction method, and has the following main defects: 1. under special geological conditions (such as very soft mucky soil, deep sand layer, and drift-stone-containing alluvium layer), the construction difficulty is great; 2. the underground diaphragm wall process is invisible, the joint position of the adjacent concrete section is difficult to process, and the problems of misalignment and water leakage of the adjacent wall section are easy to occur; 3. the wall surface of the cast-in-situ structure has poor quality, and the phenomenon of exposed reinforcing steel bars often occurs; 4. in urban construction, the disposal of waste mud is troublesome.

In order to solve the above-mentioned problems in the construction of the conventional continuous wall, an assembled continuous wall as shown in fig. 1 to 5 is proposed, which specifically includes a plurality of continuous wall precast blocks arranged in an array along a horizontal direction, wherein the continuous wall precast blocks are formed by stacking a plurality of continuous wall precast segments 100 along a vertical direction, wherein a first connection structure 130 is provided on a side surface of the continuous wall precast segments 100, and two adjacent continuous wall precast segments 100 are connected together by the first connection structure 130, so that the plurality of continuous wall precast blocks arranged in an array along the horizontal direction can be assembled into a continuous wall body, a second connection structure and a third connection structure are formed after the continuous wall precast segments 100 are stacked along the vertical direction, a first connection member is provided in the second connection structure, and a second connection member is provided in the third connection structure.

When the fabricated diaphragm wall is used for continuous wall construction engineering, the diaphragm wall prefabricated sub-blocks 100 are prefabricated in advance, then the diaphragm wall prefabricated sub-blocks 100 are assembled into a section of diaphragm wall prefabricated blocks on site, after the unit groove sections are dug, the assembled section of diaphragm wall prefabricated blocks are put into the assembled section of diaphragm wall prefabricated blocks, finally the plurality of sections of diaphragm wall prefabricated blocks are assembled to form a diaphragm wall body, the fabricated diaphragm wall is convenient to assemble and construct by adopting the design of vertical layering and transverse sectioning, in addition, the adjacent diaphragm wall prefabricated sub-blocks 100 are connected and fixed through the first connecting structure 130, the adjacent diaphragm wall prefabricated sub-blocks 100 are convenient to be closed and attached, water leakage and water seepage at the joint are effectively avoided, after the plurality of sections of diaphragm wall prefabricated blocks are connected into the diaphragm wall body, the first connecting member is formed in the second connecting structure, the second connecting member is formed in the third connecting structure, and reinforcement of the diaphragm wall body are realized through the cooperation of the second connecting structure and the first connecting member and the third connecting structure and the second connecting member. The continuous wall can be prefabricated into the continuous wall prefabricated partition blocks 100 for assembly in a factory or a field in advance, and compared with the original cast-in-situ construction, the continuous wall has the advantages of more controllable quality, short construction period, quick forming and more guarantee; the size specification and the connection mode of the wall body of the continuous wall body can be adjusted according to geological conditions in an assembled construction mode, construction adjustment is carried out, and the manufacturing cost is more controllable.

As shown in fig. 3 to 5, the prefabricated continuous wall segments 100 are stacked in the vertical direction, and the first connection structure 130 is disposed on the side surface of the prefabricated continuous wall segments 100 parallel to the horizontal array direction of the prefabricated continuous wall segments, and the first connection structure 130 is close to the side edge of the prefabricated continuous wall segments 100, so that the adjacent prefabricated continuous wall segments 100 can be connected together quickly and easily.

Further, as shown in fig. 6 and 7, the first connecting structure 130 includes a first connecting member 133, a second connecting member 134 and at least one notch 131, a channel 132 for butt joint is provided in the notch 131, a first connecting member 133 is provided between two channels 132 for butt joint, the first connecting member 133 is limited to be separated from the channel 132 through the second connecting member 134, it is noted that the notch 131 and the channel 132 of each prefabricated continuous wall block 100 are arranged at the same position, so that the prefabricated continuous wall blocks 100 are convenient to connect and replace, the two prefabricated continuous wall blocks 100 are sealed and waterproof through the cooperation of the second connecting member 134, the first connecting member 133 and the channel 132, and the notch 131 is arranged to hide the second connecting member 134 and the first connecting member 133, so as to avoid the second connecting member 134 and the first connecting member 133 from being exposed out of the surface of the prefabricated continuous wall block 100 and further affecting the push and transport of the prefabricated continuous wall blocks after assembly.

In this embodiment, the notch 131 is V-shaped, the channel 132 is arc, after the first connecting piece 133 penetrates through two channels 132 that are mutually abutted, the end of the first connecting piece 133 is located in the notch 131, and the end of the first connecting piece 133 is connected with the second connecting piece 134, specifically, the first connecting piece 133 is an arc screw adapted to the channel 132, the second connecting piece 134 is a curtain adapted to the first connecting piece 133, and the first connecting piece 133 and the second connecting piece 134 are connected together by screw threads, so that the dismounting is convenient. Specifically, the first connecting member 133 is an arc bolt capable of being matched with the channel 132, and the second connecting member 134 is a nut capable of being matched with the arc bolt. During assembly, two prefabricated continuous wall sub-blocks 100 are attached to each other, corresponding channels 132 are abutted, then a first connecting piece 133 enters the channel 132 of one prefabricated continuous wall sub-block 100, then the first connecting piece 133 penetrates out of the channel 132 of the other prefabricated continuous wall sub-block 100, second connecting pieces 134 are sleeved at two ends of the first connecting piece 133, and the second connecting pieces 134 are screwed to enable the second connecting pieces 134 to move to be clung to the wall surface of the notch 131, so that assembly of the two prefabricated continuous wall sub-blocks 100 is completed.

In some embodiments, the prefabricated continuous wall partition 100 is provided with a plurality of grouting holes 110 penetrating through two ends, after the prefabricated continuous wall partition 100 is stacked along the vertical direction, the grouting holes 110 at the same position are sequentially butted to form a second connecting structure, concrete is poured in the second connecting structure to form a first connecting component, the structural rigidity of the assembled prefabricated continuous wall partition is enhanced through the first connecting component formed by pouring concrete, so that the prefabricated continuous wall partition has enough loading capacity, meanwhile, injected concrete slurry can permeate from the butt joint gaps of the grouting holes 110 to other gaps, gaps between two prefabricated continuous wall partitions 100 which are mutually attached can be filled, strong sealing and waterproof and seepage prevention are realized after the slurry is solidified, the problem of seepage between the assembled underground continuous wall gaps is effectively solved, and further, the problem of uneven stress between the prefabricated continuous wall partitions 100 due to uneven surfaces is also solved.

In other embodiments, the prefabricated continuous wall sub-blocks 100 are provided with connecting holes 120 penetrating through two ends, after the prefabricated continuous wall sub-blocks 100 are stacked along the vertical direction, the connecting holes 120 at the same position are sequentially butted to form a third connecting structure, connecting steel cylinders 143 are arranged at the butted positions of the two connecting holes 120, the connecting steel cylinders 143 are placed in the connecting holes 120, so that the prefabricated continuous wall sub-blocks 100 are conveniently and rapidly stacked along the vertical direction, guiding and guiding effects are achieved, rapid assembly of the prefabricated continuous wall sub-blocks is facilitated, construction efficiency can be effectively improved, after the prefabricated continuous wall sub-blocks are assembled into a continuous wall body, concrete is poured into the connecting steel cylinders 143 to form a second connecting member, after the second connecting member is solidified, final rigidity of the continuous wall body is enhanced, connecting steel bars 141 are further arranged in the connecting holes 120 of the prefabricated continuous wall sub-blocks 100 at the bottom, and the arrangement of the connecting steel bars 141 is beneficial to improving toughness of the second connecting member.

Further, the connecting steel cylinders 143 in the same third connecting structure are sequentially connected, the connecting steel bars 142 are arranged at the butt joint positions of the two adjacent connecting steel cylinders 143, the structural performance of the second connecting member can be effectively prolonged due to the arrangement of the connecting steel bars 142, and then the impact resistance of the continuous wall body can be improved, and the service life of the continuous wall body is effectively prolonged.

In other embodiments, the prefabricated continuous wall blocks 100 at the end of the continuous wall body are provided with butt-joint reinforcing steel bars 150 for external connection, in particular, the prefabricated continuous wall blocks are convenient to cast-in-situ connect with other continuous wall bodies to form a complete continuous wall, and the connection stability of the complete continuous wall is improved.

In this embodiment, there is also provided an assembling method of the above assembled continuous wall, which specifically includes the following steps: prefabricated continuous wall prefabricated sub-blocks 100 are prefabricated in advance, after the prefabricated continuous wall prefabricated sub-blocks 100 are stacked in the vertical direction, adjacent continuous wall prefabricated sub-blocks 100 are connected together through a first connecting structure 130 to be assembled into continuous wall prefabricated blocks, the assembled continuous wall prefabricated blocks are sequentially arranged in the horizontal direction, the continuous wall prefabricated sub-blocks 100 at the same position on the adjacent continuous wall prefabricated blocks are connected together through the first connecting structure 130, so that the continuous wall prefabricated blocks are connected into a continuous wall body in the horizontal direction, finally, a first connecting member is placed in a second connecting structure, and a second connecting member is placed in a third connecting structure, so that reinforcement and reinforcement of the continuous wall body are completed.

Compared with the prior art, the construction of the continuous wall has the following beneficial effects: 1. the continuous wall prefabricated partition 100 can be prefabricated in advance, compared with the original cast-in-situ construction, the quality is more controllable, the guarantee is more provided, the construction period is short, and the time for waiting for concrete to coagulate is not required; 2. the whole continuous wall construction process is dry operation construction, the waterproof and connection treatment among the sections of the continuous wall body is more convenient, and the quality and effect are more visual; 3. the assembled construction mode of the continuous wall ensures that the size specification and the connection mode of the wall body can be adjusted according to geological conditions, the construction adjustment is adjusted, and the manufacturing cost is more controllable; 4. the prefabricated blocks 100 and the prefabricated blocks of the continuous wall are connected through the first connecting structure 130, so that the problem of high overall vertical requirement of the underground continuous wall with large depth can be effectively solved while the prefabricated blocks of the continuous wall are convenient to assemble.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims (10)

1. An assembled connecting wall, its characterized in that: the continuous wall prefabricated block comprises a plurality of continuous wall prefabricated blocks which are arranged in an array mode along the horizontal direction, wherein the continuous wall prefabricated blocks are formed by stacking a plurality of continuous wall prefabricated sub-blocks (100) along the vertical direction, a first connecting structure (130) is arranged on the side face of each continuous wall prefabricated sub-block (100), two adjacent continuous wall prefabricated sub-blocks (100) are connected together through the first connecting structure (130), so that the plurality of continuous wall prefabricated blocks which are arranged in an array mode along the horizontal direction can be assembled into a continuous wall body, a second connecting structure and a third connecting structure are formed after the continuous wall prefabricated sub-blocks (100) are stacked along the vertical direction, a first connecting component is arranged in the second connecting structure, and a second connecting component is arranged in the third connecting structure.

2. The fabricated connecting wall of claim 1, wherein: the side surface of the continuous wall prefabricated partition block (100) parallel to the horizontal array direction of the continuous wall prefabricated block is provided with a first connecting structure (130), and the first connecting structure (130) is close to the side surface edge of the continuous wall prefabricated partition block (100).

3. The fabricated connecting wall according to claim 1 or 2, wherein: the first connecting structure (130) comprises a first connecting piece (133), a second connecting piece (134) and at least one notch (131), a channel (132) used for butt joint is arranged in the notch (131), the first connecting piece (133) is arranged between the two channels (132) in butt joint, and the first connecting piece (133) is limited by the second connecting piece (134) so as to be separated from the channel (132) where the first connecting piece (133) is located.

4. A fabricated connecting wall as claimed in claim 3, wherein: the notch (131) is V-shaped, the channel (132) is arc-shaped, after the first connecting piece (133) penetrates through two channels (132) which are mutually butted, the end part of the first connecting piece (133) is positioned in the notch (131), and the end part of the first connecting piece (133) is connected with the second connecting piece (134).

5. The fabricated connecting wall of claim 4, wherein: the first connecting piece (133) and the second connecting piece (134) are connected together in a threaded mode.

6. The fabricated connecting wall of claim 5, wherein: the first connecting piece (133) is an arc-shaped bolt which can be matched with the channel (132), and the second connecting piece (134) is a nut which can be matched with the arc-shaped bolt.

7. The fabricated connecting wall of claim 1, wherein: the prefabricated partition (100) of continuous wall is provided with a plurality of grouting holes (110) that run through both ends, a plurality of prefabricated partition (100) of continuous wall are along vertical direction back stack, and the back of same position grouting holes (110) dock in proper order in order to form second connection structure, pour concrete in the second connection structure in order to form first connecting member.

8. The fabricated connecting wall of claim 1, wherein: the prefabricated partition (100) of diaphragm wall is provided with connecting hole (120) that run through both ends, a plurality of prefabricated partition (100) of diaphragm wall are along vertical direction back stack, and the same position connecting hole (120) dock in proper order in order to form third connection structure, two connecting steel cylinder (143) have been arranged in the butt joint department of connecting hole (120), pour concrete in connecting steel cylinder (143) in order to form the second connecting element.

9. The fabricated connecting wall of claim 8, wherein: the connecting steel cylinders (143) in the same third connecting structure are sequentially connected, and connecting steel bars (142) are arranged at the butt joint positions of two adjacent connecting steel cylinders (143).

10. The fabricated connecting wall of claim 1, wherein: the prefabricated continuous wall blocks (100) at the ends of the continuous wall body are provided with butt-joint reinforcing bars (150) for connection with the outside.

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