CN211873018U - Underground diaphragm wall subassembly - Google Patents
Underground diaphragm wall subassembly Download PDFInfo
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- CN211873018U CN211873018U CN201922213942.9U CN201922213942U CN211873018U CN 211873018 U CN211873018 U CN 211873018U CN 201922213942 U CN201922213942 U CN 201922213942U CN 211873018 U CN211873018 U CN 211873018U
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Abstract
The utility model is suitable for a diaphragm wall construction technical field provides a diaphragm wall subassembly underground. The embodiment of the utility model provides an underground continuous wall subassembly, include: the prefabricated underground continuous wall comprises a prefabricated underground continuous wall, embedded steel pipes which are at least partially arranged in the prefabricated underground continuous wall and fixed with the prefabricated underground continuous wall, and connecting steel pipes which are used for connecting the embedded steel pipes corresponding to the adjacent prefabricated underground continuous wall. By arranging the embedded steel pipes and the connecting steel pipes, a plurality of prefabricated underground continuous walls can be connected to form the underground continuous wall required by the engineering, so that the weight of a single prefabricated underground continuous wall is reduced, and the prefabricated underground continuous wall is convenient to lift; and the prefabricated underground continuous wall is connected through the pre-buried steel pipe and the connecting steel pipe, so that the connection is simple and convenient, and the complexity and the installation difficulty of the installation process of the prefabricated underground continuous wall are reduced.
Description
Technical Field
The utility model belongs to underground continuous wall construction field especially relates to an underground continuous wall subassembly.
Background
The underground continuous wall is used as a building enclosure in foundation pit engineering and is mainly divided into a cast-in-place underground continuous wall and a prefabricated underground continuous wall at present. The cast-in-situ underground continuous wall is a continuous reinforced concrete wall which is built underground section by the steps of digging a long and narrow deep groove on the ground by adopting a grooving machine along the peripheral axis of the digging project under the condition of slurry wall protection, hoisting a reinforcement cage in the groove after groove cleaning, and then building concrete to build a unit groove section. Although the cast-in-place underground continuous wall is a common underground continuous wall, the cast-in-place underground continuous wall process has many problems in grooving and pouring processes, such as exposed ribs, bulges and the like, and meanwhile, the seam of the underground continuous wall is easy to have a water seepage problem.
The prefabricated underground continuous wall is a good solution to the problems existing in cast-in-place underground continuous walls, but the problems that the installation process of the prefabricated underground continuous wall is complex and the installation difficulty is large are caused because the depth of a foundation pit where the underground continuous wall is located is usually deep, the weight of the prefabricated underground continuous wall is large, and hoisting equipment is difficult to meet the requirements.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the utility model provides an underground continuous wall subassembly to solve the complicated, big technical problem of the installation degree of difficulty of prefabricated underground continuous wall installation.
In order to solve the above problem, the embodiment of the present invention provides a technical solution that: the utility model discloses an underground continuous wall subassembly, include: prefabricating an underground continuous wall; the embedded steel pipe is fixedly connected with the prefabricated underground continuous wall, and at least part of the embedded steel pipe is positioned in the prefabricated underground continuous wall; the connecting steel pipes are fixedly connected with the embedded steel pipes corresponding to the adjacent prefabricated underground continuous walls so as to connect the adjacent prefabricated underground continuous walls; and the filling piece is used for filling the gap between the adjacent prefabricated underground continuous walls.
Furthermore, the embedded steel pipe is arranged in the prefabricated underground continuous wall, and one end of the embedded steel pipe is flush with the end face of the prefabricated underground continuous wall; a first connecting structure is arranged on the inner side wall of the embedded steel pipe; the connecting steel pipe is including first connecting portion, interval portion and the second connecting portion that set gradually, first connecting portion with the second connecting portion all are provided with second connection structure for insert adjacent respectively prefabricated underground continuous wall corresponds in the pre-buried steel pipe, the second connection structure with first connection structure cooperation forms fixed connection and is adjacent in order to connect prefabricated underground continuous wall.
Furthermore, the embedded steel pipe comprises a connecting part protruding out of the prefabricated underground continuous wall, and a first connecting structure is arranged on the inner side wall of the connecting part; the connecting steel pipe comprises a first connecting portion, a spacing portion and a second connecting portion which are sequentially arranged, the first connecting portion and the second connecting portion are provided with second connecting structures and used for being respectively inserted into and adjacent to the connecting portions corresponding to the prefabricated underground continuous walls, and the second connecting structures are matched with the first connecting structures to form fixed connection so as to connect the adjacent prefabricated underground continuous walls.
Further, the first connecting structure is an internal thread, and the second connecting structure is an external thread matched with the internal thread.
Furthermore, the first connecting structure is a clamping groove arranged on the inner side wall, the second connecting structure is a protrusion protruding out of the outer surfaces of the first connecting portion and the second connecting portion, and the clamping groove and the protrusion can be connected in a clamping mode.
Furthermore, the embedded steel pipe comprises a connecting part protruding out of the prefabricated underground continuous wall, and a first connecting structure is arranged on the outer side wall of the connecting part; the connecting steel pipes are used for connecting the connecting portions corresponding to the adjacent prefabricated underground continuous walls, second connecting structures are arranged on the inner side walls of the connecting steel pipes, and the second connecting structures are matched with the first connecting structures to form fixed connection so as to connect the adjacent prefabricated underground continuous walls.
Further, the first connecting structure is an external thread, and the second connecting structure is an internal thread matched with the external thread; or, the first connecting structure is a protrusion protruding from the connecting part, the second connecting structure is a clamping groove arranged on the inner side wall, and the clamping groove and the protrusion can be connected in a clamping manner.
Furthermore, the prefabricated underground continuous wall is provided with a channel penetrating through the prefabricated underground continuous wall, and the channel is used for accommodating at least parts of the two oppositely arranged embedded steel pipes.
Further, the underground diaphragm wall assembly further includes: and the anti-shearing ribs are arranged in the prefabricated underground continuous wall and positioned around the embedded steel pipes so as to enhance the connection stability of the embedded steel pipes and the connection steel pipes.
Furthermore, the shearing resistant ribs are uniformly distributed along the circumferential direction of the embedded steel pipe.
The embodiment of the utility model provides an underground continuous wall subassembly, include: the prefabricated underground continuous wall comprises a prefabricated underground continuous wall, embedded steel pipes which are at least partially arranged in the prefabricated underground continuous wall and fixed with the prefabricated underground continuous wall, and connecting steel pipes which are used for connecting the embedded steel pipes corresponding to the adjacent prefabricated underground continuous wall. By arranging the embedded steel pipes and the connecting steel pipes, a plurality of prefabricated underground continuous walls can be connected to form the underground continuous wall required by the engineering, so that the weight of a single prefabricated underground continuous wall is reduced, and the prefabricated underground continuous wall is convenient to lift; and the prefabricated underground continuous wall is connected through the pre-buried steel pipe and the connecting steel pipe, so that the connection is simple and convenient, and the complexity and the installation difficulty of the installation process of the prefabricated underground continuous wall are reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of an underground diaphragm wall assembly provided by an embodiment of the present invention before connection;
fig. 2 is a schematic structural diagram of the underground diaphragm wall assembly provided by the embodiment of the invention after connection;
FIG. 3 is an enlarged view at C in FIG. 2;
fig. 4 is a schematic structural view of another underground diaphragm wall assembly provided by the embodiment of the invention before connection;
fig. 5 is a schematic structural view of another underground diaphragm wall assembly provided by the embodiment of the invention before connection;
FIG. 6 is a cross-sectional view taken at A-A of FIG. 1;
fig. 7 is a cross-sectional view taken at B-B in fig. 1.
Description of reference numerals:
10-prefabricating an underground continuous wall; 11-embedding a steel pipe; 111-first connection structure (inner side wall); 111A-first connection structure (outer sidewall); 12-connecting steel pipes; 121-a first connection; 122-a spacer; 123-a second connection; 124-second connection structure (outer sidewall); 124A-second attachment structure (inner sidewall); 13-a filler member; 14-shear resistant ribs; 15-channel; 16-hoisting holes; 17-a trapezoidal groove; 18-steel plate water stop.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The individual features described in the embodiments can be combined in any suitable manner without departing from the scope, for example different embodiments and aspects can be formed by combining different features. In order to avoid unnecessary repetition, various combinations of the specific features of the present invention are not described separately.
In a specific embodiment, the present invention provides an underground diaphragm wall assembly and a construction method thereof, which can be applied to foundation pit engineering of various stratum conditions, such as deep foundation supporting structures, underground garages, underground railways, underground cities, and diaphragm walls of underground power stations and dams, and the following detailed description will be given by taking the application of the underground diaphragm wall assembly and the construction method thereof in underground cities as an example.
As shown in fig. 1 and 2, the embodiment of the present invention provides an underground continuous wall assembly, which includes a prefabricated underground continuous wall 10, a pre-buried steel pipe 11, a connecting steel pipe 12, and a filling member 13. The embedded steel pipes 11 are at least partially arranged in the prefabricated underground continuous walls 10, the embedded steel pipes 11 in the adjacent prefabricated underground continuous walls 10 are fixedly connected together through the connecting steel pipes 12, and the filling pieces 13 are arranged between the adjacent prefabricated underground continuous walls 10 to fill gaps. And the plurality of prefabricated underground continuous walls are connected to form the underground continuous wall.
The embodiment of the utility model provides an in prefabricated underground continuous wall 10's size and shape can be specifically makeed according to the engineering demand, and is specific, and the cross section of the link of two adjacent prefabricated underground continuous wall 10 that connect can be the plane, also can be that one of them is outer convex surface, and another can be rather than assorted interior concave surface. In addition, the underground continuous walls 10 to be connected together may be adjacent to each other up and down or left and right in a specific orientation.
As shown in fig. 1, the embedded steel pipes 11 are fixedly connected with the prefabricated underground continuous wall 10, and at least part of the embedded steel pipes 11 is located in the prefabricated underground continuous wall 10.
Specifically, at least part of the embedded steel pipes 11 is located in the prefabricated underground continuous wall 10, that is, one part of the embedded steel pipes 11 may be located in the prefabricated underground continuous wall 10, and the other part of the embedded steel pipes 11 is located outside the prefabricated underground continuous wall 10 (as shown in fig. 4 and 5), wherein the length of the part located in the prefabricated underground continuous wall 10 may be adjusted according to actual conditions, or all the embedded steel pipes 11 may be located in the prefabricated underground continuous wall 10, the placing direction of the embedded steel pipes 11 relative to the prefabricated underground continuous wall 10 may be a plurality of angles, and specifically, the extending direction of the embedded steel pipes 11 may be perpendicular to or form an acute angle with the end face of the connecting end of the prefabricated underground continuous wall 10. Optionally, the number of the pre-buried steel pipes 11 may be multiple, the pre-buried steel pipes are fixedly connected with the prefabricated underground continuous wall 10 at intervals, and the extending directions of the multiple pre-buried steel pipes 11 arranged on the same prefabricated underground continuous wall 10 are parallel.
As shown in fig. 2 and 3, the connecting steel pipes 12 are fixedly connected with the corresponding embedded steel pipes 11 of the adjacent prefabricated underground continuous walls 10 to connect the adjacent prefabricated underground continuous walls 10. Specifically, the connection mode of the connecting steel pipes 12 and the pre-buried steel pipes 11 may be a threaded connection or a snap connection, and under the condition that the pre-buried steel pipes 11 protrude from the prefabricated underground continuous wall 10, the protruding parts of the connecting steel pipes 12 and the pre-buried steel pipes 11 may also be connected in a welding manner, so that the adjacent prefabricated underground continuous walls 10 are connected together. According to different directions of the adjacent prefabricated underground continuous walls 10, the underground continuous walls can be formed by connecting the connecting steel pipes 12 and the embedded steel pipes 11 in different directions. For example, adjacent underground continuous walls may be disposed up and down, left and right, and the like. Optionally, under the condition that the number of the embedded steel pipes 11 is multiple, the number of the connecting steel pipes 12 may be matched with the number of the embedded steel pipes 11, and the connecting steel pipes are respectively and fixedly connected with the embedded steel pipes 11 corresponding to the adjacent prefabricated underground continuous walls 10.
As shown in fig. 3, the packing members 13 are used to fill gaps between the adjacent prefabricated underground continuous walls 10. In the case where the adjacent prefabricated underground continuous walls 10 are fixedly connected to be integrated, packing members 13 are provided between the adjacent prefabricated underground continuous walls 10 to fill gaps between the prefabricated underground continuous walls 10.
Specifically, the filling member 13 may be various types of concrete, such as fine aggregate concrete, ceramsite concrete or lightweight concrete, so as to satisfy the connection strength between the prefabricated underground continuous walls 10. The filling member 13 covers the connecting steel pipes 12 between the adjacent prefabricated underground continuous walls 10, and the filling thickness may be equal to the thickness of the prefabricated underground continuous walls 10 to ensure the flatness of the connection between the adjacent prefabricated underground continuous walls 10.
The underground continuous wall assembly provided by the utility model can connect a plurality of prefabricated underground continuous walls to form the underground continuous wall required by the engineering by arranging the pre-buried steel pipes and the connecting steel pipes, thereby reducing the weight of a single prefabricated underground continuous wall and facilitating the hoisting of the prefabricated underground continuous wall; and the prefabricated underground continuous wall is connected through the pre-buried steel pipe and the connecting steel pipe, so that the connection is simple and convenient, and the complexity and the installation difficulty of the installation process of the prefabricated underground continuous wall are reduced.
The setting mode of the embedded steel pipe 11 can be two types:
first, as shown in fig. 1, an embedded steel pipe 11 is disposed in a prefabricated underground continuous wall 10, and one end of the embedded steel pipe 11 is flush with an end surface of the prefabricated underground continuous wall 10. The embedded steel pipes 11 are arranged in the prefabricated underground continuous wall 10, namely any part of the embedded steel pipes 11 does not protrude out of each surface of the prefabricated underground continuous wall 10; one end of the embedded steel pipe 11 is flush with the end face of the prefabricated underground continuous wall 10, that is, the end of the embedded steel pipe 11 neither protrudes out of the end face of the prefabricated underground continuous wall 10 nor sinks into the end face of the prefabricated underground continuous wall 10, for example, the end face of the prefabricated underground continuous wall 10 is a first plane, the end of the embedded steel pipe 11 is a second plane, and the first plane and the second plane are coincident. The embedded steel pipe 11 is a hollow pipe, and a first connecting structure 111 is arranged on the inner side wall of the embedded steel pipe 11. The length of the first connecting structure 111 may be equal to the length of the embedded steel pipe 11, that is, the first connecting structure 111 is disposed on the entire inner sidewall of the embedded steel pipe 11. The prefabricated underground continuous wall is connected with the connecting steel pipes 12 through the first connecting structure.
As shown in fig. 1, the connecting steel pipe 12 includes a first connecting portion 121, a spacing portion 122, and a second connecting portion 123, which are sequentially disposed, and the first connecting portion 121 and the second connecting portion 123 are each provided with a second connecting structure 124. Then, the connecting steel pipe 12 includes three parts, the first connecting portion 121 and the second connecting portion 123 are located at a portion close to the end portion, the spacing portion 11 is located in the middle, the first connecting portion 121 and the second connecting portion 123 are respectively inserted into the pre-buried steel pipes 11 corresponding to the adjacent prefabricated underground continuous walls 10, and the second connecting structure 124 and the first connecting structure 111 are matched to form a fixed connection to connect the adjacent prefabricated underground continuous walls 10.
Specifically, the specific lengths of the first connection portion 121 and the second connection portion 123 of the connection steel pipe 12 may be adjusted according to the length of the first connection structure 111 disposed on the embedded steel pipe 11. Through being connected the second connection structure 124 on the connecting steel pipe 12 and the first connection structure 111 that sets up on the inside wall of pre-buried steel pipe 11, can make polylith prefabricated underground continuous wall 10 link together, connection process convenient and fast has effectively promoted prefabricated underground continuous wall's connection speed.
Secondly, as shown in fig. 4, the embedded steel pipe 11 includes a connection portion protruding from the prefabricated underground continuous wall 10, and a first connection structure 111 is disposed on an inner side wall of the connection portion. Namely: the embedded steel pipes 11 may be partially disposed in the prefabricated underground diaphragm wall 10. Specifically, the length of the connecting part of the embedded steel pipe 11 protruding from the prefabricated underground continuous wall 10 can be adjusted according to actual engineering requirements, the embedded steel pipe 11 is a hollow pipe, and a first connecting structure arranged on the inner side wall of the connecting part is used for being fixedly connected with the connecting steel pipe 12.
The connecting steel pipe 12 may be the same as the connecting steel pipe used in the first case, and also includes a first connecting portion 121, a spacing portion 122, and a second connecting portion 123, which are sequentially disposed, where the first connecting portion 121 and the second connecting portion 123 are both provided with a second connecting structure 124, and are used to be respectively inserted into the connecting portions corresponding to the adjacent prefabricated underground continuous walls 10, and the second connecting structure 124 and the first connecting structure 111 cooperate to form a fixed connection to connect the adjacent prefabricated underground continuous walls 10.
The second connecting structure 124 on the connecting steel pipe 12 is connected with the first connecting structure 111 arranged on the inner side wall of the connecting part of the prefabricated underground continuous wall 10, protruding out of the embedded steel pipe 11, and compared with the connection of the embedded part of the embedded steel pipe 11, the convenience of connection is further improved.
In some embodiments, as shown in fig. 1 and 4, the first connection 111 is an internal thread and the second connection 124 is an external thread that mates with the internal thread. In particular, the types of internal threads of the first connection structure 111 and external threads of the second connection structure 124 include, but are not limited to, triangular threads, cylindrical threads, conical tube threads, and the like. Through setting up the screw thread, connection speed is fast, joint strength is reliable, can guarantee joint strength, can promote underground continuous wall's construction speed again, convenient and fast.
In other embodiments, the first connecting structure 111 is a slot disposed on an inner sidewall, and the second connecting structure 124 is a protrusion protruding from outer surfaces of the first connecting portion 121 and the second connecting portion 123, and the slot and the protrusion can be connected by a snap-fit. Specifically, the clamping groove arranged on the inner side wall of the first connecting structure 111 can be obtained by machining the inner side wall of the embedded steel pipe 11, the structure with the clamping groove can be fixed on the inner side wall of the embedded steel pipe 11 in a welding mode and the like, and the depth of the specific clamping groove can be adjusted according to actual engineering requirements. The second connection structure 124, i.e., the protrusions of the outer surfaces of the first and second connection parts 121 and 123, may be fixed to the outer surfaces of the first and second connection parts 121 and 123 by welding, heat fusing, screwing, or the like. The clamping groove and the protrusion are connected to form the clamping structure, only the insertion action is needed, the connection process is simple, the connection is reliable, and the construction speed of the underground diaphragm wall is improved.
In other embodiments, as shown in fig. 5, the embedded steel pipes 11 include a connection portion protruding from the prefabricated underground continuous wall 10, and a first connection structure 111A is disposed on an outer side wall of the connection portion. Specifically, the embedded steel pipe 11 is a hollow pipe, the length of the connecting portion protruding out of the prefabricated underground continuous wall 10 can be adjusted according to actual engineering requirements, and the first connecting structure 111A arranged on the outer side wall of the connecting portion can be an external thread or other connecting structures such as a protrusion matched with the clamping groove.
The connecting steel pipes 12 are used for connecting portions corresponding to the adjacent prefabricated underground continuous walls 10, the connecting steel pipes 12 are hollow pipes, second connecting structures 124A are arranged on inner side walls of the connecting steel pipes, and the second connecting structures 124A are matched with the first connecting structures 111A to form fixed connection so as to connect the adjacent prefabricated underground continuous walls 10.
Specifically, the specific lengths of the first connection portion 121 and the second connection portion 123 of the connection steel pipe 12 may be adjusted according to the length of the first connection structure 111A disposed on the embedded steel pipe 11. The first connection structure 111A is fixedly connected with the second connection structure 124A to connect the adjacent prefabricated underground diaphragm walls 10. The insertion manner differs according to the matching manner of the first connection structure 111A and the second connection structure 124A, for example, when the two are in threaded connection, the insertion manner may be rotational insertion, and when the two are in snap connection, the insertion manner may be direct push insertion. The embedded steel pipes 11 protrude out of the connecting parts of the prefabricated underground continuous walls 10 and are inserted into the corresponding connecting steel pipes 12, so that the adjacent prefabricated underground continuous walls 10 are firmly connected, and the convenience of connection is further improved.
Alternatively, as shown in fig. 5, the first connection structure 111A is an external thread and the second connection structure 124A is an internal thread matching the external thread. In particular, the types of external threads of the first connection structure 111A and internal threads of the second connection structure 124A include, but are not limited to, triangular threads, cylindrical threads, conical tube threads, and the like. Through setting up the screw thread, connection speed is fast, joint strength is reliable, can guarantee joint strength, can promote underground continuous wall's construction speed again, convenient and fast.
In other embodiments, the first connecting structure 111A is a protrusion protruding from the connecting portion, and the second connecting structure 124A is a slot disposed on an inner sidewall, and the slot and the protrusion can be connected in a snap-fit manner. Specifically, the protrusion protruding from the connection portion may be fixed to the connection portion of the embedded steel pipe 11 by welding, hot melting, or screwing, so as to form the first connection structure 111A. The draw-in groove that sets up on connecting the steel pipe 12 inside wall, second connection structure 124A can be through carrying out machining to the inside wall of connecting steel pipe 12 promptly, also can be through modes such as welding will have the structure of draw-in groove to fix on the inside wall of connecting steel pipe 12, and the degree of depth of concrete draw-in groove can be adjusted according to actual engineering demand. The clamping groove and the protrusion are connected to form the clamping structure, only the insertion action is needed, the connection process is simple, the connection is reliable, and the construction speed of the underground diaphragm wall is improved.
Alternatively, as shown in fig. 1 and 6, the prefabricated underground continuous wall 10 is provided with a passage 15 penetrating the prefabricated underground continuous wall 10, and then the passage 15 extends from one end of the prefabricated underground continuous wall 10 to the opposite end. The passage 15 is used for accommodating at least part of two oppositely arranged embedded steel pipes 11. It should be noted here that the two oppositely arranged embedded steel pipes 11 refer to two embedded steel pipes 11 at least partially arranged in the same channel 15, that is, one of the embedded steel pipes 11 is in contact with one end of the prefabricated underground continuous wall 10, the other embedded steel pipe 11 is in contact with the opposite end of the prefabricated underground continuous wall 10, and the two embedded steel pipes 11 are communicated with each other through the channel 15 where the two embedded steel pipes are located, so that the number of the oppositely arranged embedded steel pipes 11 is twice of the number of the channels 15, so as to realize that one prefabricated underground continuous wall can be connected with the adjacent prefabricated underground continuous wall in two opposite directions.
Specifically, the channels 15 may be a plurality of channels, and are distributed in the prefabricated underground continuous wall 10 at intervals, and the extending directions of the channels 15 are the same; so that can set up a plurality of pre-buried steel pipes and connect, thereby promote joint strength. The channel 15 can extend in various directions, and preferably, the channel extends in a direction perpendicular to the end face of the prefabricated underground continuous wall through which the channel 15 penetrates; as described above, the end face is also the end face where the adjacent prefabricated underground diaphragm walls are connected, and is the end face where the packing member 13 is in contact.
As shown in fig. 6, optionally, the prefabricated underground continuous wall 10 may be provided with hoisting holes 16, and the hoisting holes 16 penetrate through the prefabricated underground continuous wall 10 along the thickness direction of the prefabricated underground continuous wall 10, so as to improve the convenience of the prefabricated underground continuous wall 10 in the transportation and installation processes. In addition, a detection element can be arranged in the channel 15 and used for detecting whether cracks, water seepage and other problems exist inside the prefabricated underground continuous wall 10 or not so as to facilitate timely maintenance. The prefabricated underground continuous wall 10 can also be provided with a trapezoidal groove 17, and the trapezoidal groove 17 can be arranged on the side edge which is vertical to the end face of the connecting end of the prefabricated underground continuous wall 10. Furthermore, a steel plate water stop 18 can be arranged on the side of the prefabricated underground continuous wall 10 provided with the trapezoidal groove 17, one part of the steel plate water stop 18 is arranged in the prefabricated underground continuous wall 10, and the other part of the steel plate water stop protrudes out of the prefabricated underground continuous wall 10 and is used for cutting off a permeation path of underground water, effectively isolating the underground water and improving the waterproof performance of the underground continuous wall.
Optionally, as shown in fig. 7, the underground diaphragm wall assembly further includes: the shear resistant ribs 14 are arranged in the prefabricated underground continuous wall 10 and are positioned around the embedded steel pipes 11 to enhance the connection stability of the embedded steel pipes 11 and the connection steel pipes 12, so that the stress safety of joints of the embedded steel pipes 11 and the connection steel pipes 12 is ensured; the shearing resistant ribs 14 corresponding to each embedded steel pipe 11 are uniformly distributed along the circumferential direction of the embedded steel pipe 11. Specifically, the distribution density of the shear ribs 14 can be adjusted according to actual needs.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. An underground diaphragm wall assembly, comprising:
prefabricating an underground continuous wall;
the embedded steel pipe is fixedly connected with the prefabricated underground continuous wall, and at least part of the embedded steel pipe is positioned in the prefabricated underground continuous wall;
the connecting steel pipes are fixedly connected with the embedded steel pipes corresponding to the adjacent prefabricated underground continuous walls so as to connect the adjacent prefabricated underground continuous walls;
and the filling piece is used for filling the gap between the adjacent prefabricated underground continuous walls.
2. The underground diaphragm wall assembly of claim 1,
the embedded steel pipe is arranged in the prefabricated underground continuous wall, and one end of the embedded steel pipe is flush with the end face of the prefabricated underground continuous wall; a first connecting structure is arranged on the inner side wall of the embedded steel pipe;
the connecting steel pipe is including first connecting portion, interval portion and the second connecting portion that set gradually, first connecting portion with the second connecting portion all are provided with second connection structure for insert adjacent respectively prefabricated underground continuous wall corresponds in the pre-buried steel pipe, the second connection structure with first connection structure cooperation forms fixed connection and is adjacent in order to connect prefabricated underground continuous wall.
3. The underground diaphragm wall assembly of claim 1,
the embedded steel pipe comprises a connecting part protruding out of the prefabricated underground continuous wall, and a first connecting structure is arranged on the inner side wall of the connecting part;
the connecting steel pipe comprises a first connecting portion, a spacing portion and a second connecting portion which are sequentially arranged, the first connecting portion and the second connecting portion are provided with second connecting structures and used for being respectively inserted into and adjacent to the connecting portions corresponding to the prefabricated underground continuous walls, and the second connecting structures are matched with the first connecting structures to form fixed connection so as to connect the adjacent prefabricated underground continuous walls.
4. A diaphragm wall assembly according to claim 2 or 3, wherein the first attachment formation is an internal thread and the second attachment formation is an external thread which mates with the internal thread.
5. An underground diaphragm wall assembly according to claim 2 or claim 3 wherein the first connecting formation is a slot provided in the inner side wall and the second connecting formation is a projection projecting from the outer surface of the first and second connecting portions, the slot being snapably engageable with the projection.
6. The underground diaphragm wall assembly of claim 1,
the embedded steel pipe comprises a connecting part protruding out of the prefabricated underground continuous wall, and a first connecting structure is arranged on the outer side wall of the connecting part;
the connecting steel pipes are used for connecting the connecting portions corresponding to the adjacent prefabricated underground continuous walls, second connecting structures are arranged on the inner side walls of the connecting steel pipes, and the second connecting structures are matched with the first connecting structures to form fixed connection so as to connect the adjacent prefabricated underground continuous walls.
7. The underground diaphragm wall assembly of claim 6, wherein the first connecting structure is an external thread and the second connecting structure is an internal thread that mates with the external thread; or, the first connecting structure is a protrusion protruding from the connecting part, the second connecting structure is a clamping groove arranged on the inner side wall, and the clamping groove and the protrusion can be connected in a clamping manner.
8. The underground diaphragm wall assembly of claim 1,
the prefabricated underground continuous wall is provided with a channel penetrating through the prefabricated underground continuous wall, and the channel is used for accommodating at least parts of the two oppositely arranged embedded steel pipes.
9. The underground diaphragm wall assembly as set forth in claim 1, further comprising:
and the anti-shearing ribs are arranged in the prefabricated underground continuous wall and positioned around the embedded steel pipes so as to enhance the connection stability of the embedded steel pipes and the connection steel pipes.
10. The underground diaphragm wall assembly as claimed in claim 9, wherein said shear ribs are uniformly distributed along the circumference of said embedded steel pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922213942.9U CN211873018U (en) | 2019-12-11 | 2019-12-11 | Underground diaphragm wall subassembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922213942.9U CN211873018U (en) | 2019-12-11 | 2019-12-11 | Underground diaphragm wall subassembly |
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| CN211873018U true CN211873018U (en) | 2020-11-06 |
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| CN201922213942.9U Active CN211873018U (en) | 2019-12-11 | 2019-12-11 | Underground diaphragm wall subassembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110939138A (en) * | 2019-12-11 | 2020-03-31 | 中铁第四勘察设计院集团有限公司 | Underground diaphragm wall subassembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110939138A (en) * | 2019-12-11 | 2020-03-31 | 中铁第四勘察设计院集团有限公司 | Underground diaphragm wall subassembly |
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