CN213143030U - Prefabricated underground continuous wall and underground continuous wall structure - Google Patents
Prefabricated underground continuous wall and underground continuous wall structure Download PDFInfo
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- CN213143030U CN213143030U CN202020913899.7U CN202020913899U CN213143030U CN 213143030 U CN213143030 U CN 213143030U CN 202020913899 U CN202020913899 U CN 202020913899U CN 213143030 U CN213143030 U CN 213143030U
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Abstract
The utility model particularly relates to a prefabricated underground continuous wall and an underground continuous wall structure, which comprises a prefabricated underground continuous wall body, wherein both ends of the prefabricated underground continuous wall body are provided with steel plate water stops, one end of each steel plate water stop is embedded into the prefabricated underground continuous wall body, and the other end of each steel plate water stop extends out of the prefabricated underground continuous wall body; the two sides of one end of the prefabricated underground continuous wall body are provided with embedded steel plates which are used for being spliced with the prefabricated underground continuous wall body constructed later. The utility model also provides an underground continuous wall structure, wherein the prefabricated underground continuous wall is adopted for both the underground continuous wall which is constructed in advance and the underground continuous wall which is constructed in the backward way; one end of the underground continuous wall constructed later extends to a position between the two embedded steel plates at the end part of the underground continuous wall constructed earlier and is fixedly connected with the embedded steel plates; and then pouring concrete between the first constructed underground continuous wall and the next constructed underground continuous wall. The underground continuous wall structure of this embodiment adopts the prefabricated form of assembling, can guarantee construction quality, simplifies the site operation process, improves the efficiency of construction.
Description
Technical Field
The utility model belongs to the technical field of foundation ditch engineering, concretely relates to prefabricated underground continuous wall and underground continuous wall structure.
Background
Underground continuous wall is the envelope that uses always among the foundation ditch engineering, often need form the groove in advance and transfer the cast-in-place behind the steel reinforcement cage, and traditional cast-in-place mode has following shortcoming: 1. the construction quality of the underground continuous wall is difficult to ensure by cast-in-place, and the situations of exposed ribs, bulges and the like are often encountered; 2. the cast-in-place construction is troublesome and labor-consuming, the steel reinforcement cage needs to be hung first, and then concrete is poured, so that the working procedure is complex; 3. the joint of the diaphragm wall is easy to leak water when the geological condition is poor, and the whole safety of the foundation pit is influenced.
Disclosure of Invention
In order to overcome the not enough of above-mentioned prior art existence, the utility model aims at providing a prefabricated underground continuous wall and underground continuous wall structure adopts prefabricated form of assembling, has improved construction quality, has simplified construction process, has improved the efficiency of construction.
In order to achieve the purpose, the technical scheme of the utility model is that the prefabricated underground continuous wall comprises a prefabricated underground continuous wall body, wherein both ends of the prefabricated underground continuous wall body are provided with steel plate water stops, one end of each steel plate water stop is embedded into the prefabricated underground continuous wall body, and the other end of each steel plate water stop extends out of the prefabricated underground continuous wall body; the two sides of one end of the prefabricated underground continuous wall body are provided with embedded steel plates which are used for being spliced with the prefabricated underground continuous wall body for post construction.
Furthermore, one side of the embedded steel plate facing the prefabricated underground continuous wall body is connected with anchor bars, and the anchor bars are embedded in the prefabricated underground continuous wall body.
Furthermore, the steel plate water stops at the two ends of the prefabricated underground continuous wall body are arranged in a staggered mode in the horizontal direction.
Furthermore, a plurality of round holes which penetrate through the prefabricated underground continuous wall body from top to bottom are formed in the prefabricated underground continuous wall body.
Furthermore, the prefabricated underground continuous wall body is provided with hoisting holes.
Furthermore, the hoisting hole is in the form of a through hole, a blind hole or a clamping groove.
Further, step parts are arranged on two sides of two ends of the prefabricated underground continuous wall body, and the embedded steel plates are fixed on the step parts.
Furthermore, the prefabricated underground continuous wall body is in a straight line shape or a corner shape.
The utility model also provides an underground continuous wall structure, which comprises an underground continuous wall which is constructed in advance and an underground continuous wall which is constructed backwards, wherein the underground continuous wall which is constructed in advance and the underground continuous wall which is constructed backwards all adopt the prefabricated underground continuous wall; one end of the backward construction underground continuous wall, which is far away from the embedded steel plates, extends to a position between the two embedded steel plates at the end part of the forward construction underground continuous wall and is fixedly connected with the embedded steel plates on the forward construction underground continuous wall; concrete is poured between the underground continuous wall constructed in advance and the underground continuous wall constructed in the backward mode.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the underground continuous wall structure of the utility model adopts a prefabricated assembly form, which not only can ensure the construction quality of the underground continuous wall, but also can simplify the on-site construction process and improve the construction efficiency;
(2) the utility model discloses be equipped with the pre-buried steel sheet that is used for splicing with the prefabricated underground continuous wall body of back-up construction in the both sides of one end wherein of prefabricated underground continuous wall body, pre-buried steel sheet passes through the anchor bar and forms wholly with prefabricated underground continuous wall body, sets up the steel sheet waterstop at the both ends of prefabricated underground continuous wall body simultaneously, guarantees that the prefabricated underground continuous wall diaphragm wall of going ahead construction and the prefabricated underground continuous wall indirect joint of back-up construction are waterproof, improves foundation ditch overall security;
(3) the prefabricated underground continuous wall of the utility model adopts small width, and is additionally provided with the round holes which run through from top to bottom, thereby reducing the continuous weight of the single prefabricated underground and meeting the requirements of site prefabrication and hoisting; in addition, the circular holes penetrating up and down can also be used as detection holes and monitoring holes;
(4) the utility model discloses set up the hole for hoist on prefabricated underground continuous wall, the hole for hoist can adopt the through-hole form, also can adopt the blind hole form, can also adopt the draw-in groove form.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a plan view of a horizontal prefabricated underground diaphragm wall according to an embodiment of the present invention;
fig. 2 is a plan view of a prefabricated underground diaphragm wall of a corner type according to an embodiment of the present invention;
fig. 3 is a schematic view of a splicing structure of a linear prefabricated underground continuous wall and a linear prefabricated underground continuous wall provided by the embodiment of the present invention;
fig. 4 is a schematic view of a splicing structure of a straight prefabricated underground continuous wall and a corner prefabricated underground continuous wall provided by an embodiment of the present invention;
in the figure: 1. the prefabricated underground continuous wall comprises a prefabricated underground continuous wall body, 2 embedded steel plates, 3 anchor bars, 4 steel plate water stop belts, 5 hoisting holes, 6 round holes, 7 concrete.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; in the description of the present invention, "a plurality" means two or more unless otherwise specified.
As shown in fig. 1-2, the embodiment provides a prefabricated underground continuous wall, which includes a prefabricated underground continuous wall body 1, where two ends of the prefabricated underground continuous wall body 1 are both provided with a steel plate water stop 4, one end of the steel plate water stop 4 is embedded into the prefabricated underground continuous wall body 1, and the other end extends out of the prefabricated underground continuous wall body 1; the two sides of one end of the prefabricated underground continuous wall body 1 are provided with embedded steel plates 2 which are used for being spliced with the prefabricated underground continuous wall body 1 in the post-construction mode. In the embodiment, the two sides of one end of the prefabricated underground continuous wall body 1 are provided with the embedded steel plates 2 which are spliced with the prefabricated underground continuous wall body 1 for the follow-up construction, so that the integrity of an underground structure is improved; meanwhile, the steel plate water stop belts 4 are arranged at the two ends of the prefabricated underground continuous wall body 1, so that the waterproof of the joints between the prefabricated underground continuous wall constructed in advance and the prefabricated underground continuous wall constructed in the backward mode is guaranteed, and the overall safety of the foundation pit is improved.
Further, one side of the embedded steel plate 2 facing the prefabricated underground continuous wall body 1 is connected with an anchor bar 3, and the anchor bar 3 is embedded in the prefabricated underground continuous wall body 1. The embedded steel plate 2 of this embodiment forms wholly with the prefabricated underground continuous wall body 1 through embedded 3 in the prefabricated underground continuous wall body 1.
Further, the steel plate water stop belts 4 at the two ends of the prefabricated underground continuous wall body 1 are arranged in a staggered mode in the horizontal direction, so that after splicing, the adjacent steel plate water stop belts 4 of the adjacent prefabricated underground continuous wall body 1 are arranged in a staggered mode in the horizontal direction, and mutual interference is avoided.
Furthermore, a plurality of circular holes which penetrate through the prefabricated underground continuous wall body 1 up and down are formed, so that the weight of a single prefabricated underground continuous wall can be reduced, and the requirements of on-site prefabrication and hoisting are met; in addition, the round hole that runs through from top to bottom can also be regarded as inspection hole and monitoring hole concurrently.
Furthermore, the prefabricated underground continuous wall body 1 is provided with hoisting holes 5 arranged along the width direction of the prefabricated underground continuous wall body. Furthermore, the hoisting holes of the hoisting holes 5 can adopt a blind hole form, and a threaded sleeve can be arranged in the blind hole and connected with an anchor bar pre-embedded in the prefabricated underground continuous wall body 1, so that the threaded sleeve and the prefabricated underground continuous wall body 1 are connected into a whole to facilitate hoisting; the hoisting hole 5 can also adopt a through hole form and a clamping groove form.
Further, step parts are arranged on two sides of two ends of the prefabricated underground continuous wall body 1, and the embedded steel plates 2 are fixed on the step parts. When the adjacent prefabricated underground continuous walls are spliced, the embedded steel plates 2 of the prefabricated underground continuous wall bodies 1 which are constructed in advance extend to the step parts of the prefabricated underground continuous wall bodies 1 which are constructed in the backward mode, the prefabricated underground continuous wall bodies 1 which are constructed in the backward mode can be controlled to be hoisted in place through the step parts, and the assembly efficiency is improved.
Further, the prefabricated underground continuous wall body 1 is in a straight shape or a corner shape. As shown in fig. 1, the prefabricated underground continuous wall body 1 of the embodiment can be in a straight shape, both ends of the straight-shaped prefabricated underground continuous wall body 1 in the length direction are provided with steel plate water stops 4, and both sides of one end of the straight-shaped prefabricated underground continuous wall body 1 in the length direction are provided with embedded steel plates 2; as shown in fig. 2, the prefabricated underground continuous wall body 1 of the present embodiment may also be of a corner type, and two free ends of the corner type underground continuous wall body 1 are both provided with a steel plate water stop 4, and two sides of one free end are provided with embedded steel plates 2. In addition, the included angle between the two parts of the corner-type underground continuous wall body 1 of the embodiment may be 90 degrees or not, and any angle can be adopted according to the actual engineering requirement.
The embodiment also provides an underground continuous wall structure, which comprises an underground continuous wall constructed in advance and an underground continuous wall constructed in a backward mode, wherein the underground continuous wall constructed in advance and the underground continuous wall constructed in the backward mode both adopt the prefabricated underground continuous wall; one end of the backward construction underground continuous wall, which is far away from the embedded steel plates 2, extends to a position between the two embedded steel plates 2 at the end part of the forward construction underground continuous wall and is fixedly connected with the embedded steel plates 2 on the forward construction underground continuous wall; concrete 7 is poured between the underground continuous wall constructed in advance and the underground continuous wall constructed in the later period. In the preceding construction underground continuous wall and the following construction underground continuous wall of the embodiment, one is in a straight shape, and the other is in a straight shape or a corner shape. The splicing of the two linear prefabricated underground continuous walls is shown in figure 3, the left prefabricated underground continuous wall body 1 is constructed in advance, the right prefabricated underground continuous wall body 1 is constructed in the backward direction, and the prefabricated underground continuous wall body 1 constructed in the backward direction has the same structure as the prefabricated underground continuous wall body 1 constructed in advance and is in a linear shape; the left end of the prefabricated underground continuous wall body 1 constructed backwards extends to a position between two embedded steel plates 2 at the right end of the prefabricated underground continuous wall body 1 constructed in advance and is fixedly connected with the embedded steel plates 2, and a certain gap is reserved between the prefabricated underground continuous wall body 1 constructed backwards and the prefabricated underground continuous wall body 1 constructed in advance so as to fill concrete 7 to improve the integrity and the waterproof performance of the assembled underground continuous wall. The splicing of the straight-line-shaped prefabricated underground continuous wall and the corner-shaped prefabricated underground continuous wall is shown in figure 4, and the left prefabricated underground continuous wall body 1 is constructed in advance and is in a straight line shape; the prefabricated underground continuous wall body 1 on the right side is constructed backwards and is of a corner type; the left free end of the prefabricated underground continuous wall body 1 constructed backwards extends to a position between two embedded steel plates 2 at the right end of the prefabricated underground continuous wall body 1 constructed in advance and is fixedly connected with the embedded steel plates 2, and a certain gap is reserved between the prefabricated underground continuous wall body 1 constructed backwards and the prefabricated underground continuous wall body 1 constructed in advance so as to fill concrete 7 to improve the integrity and the waterproof performance of the assembled underground continuous wall. The underground continuous wall structure of this embodiment adopts the prefabricated form of assembling, not only can guarantee underground continuous wall's construction quality, but also can simplify the site operation process, improves the efficiency of construction.
In the embodiment, bolt sleeves can be embedded at one end of the prefabricated underground continuous wall body 1, which is far away from the embedded steel plate 2, bolt holes are formed in the corresponding positions of the embedded steel plate 2, when the prefabricated underground continuous wall is assembled, the bolt sleeves on the prefabricated underground continuous wall body 1 constructed in the later process correspond to the bolt holes on the prefabricated underground continuous wall body 1 constructed in the earlier process, and then the bolt is screwed in to realize the splicing of the prefabricated underground continuous wall body 1 constructed in the later process and the prefabricated underground continuous wall body 1 constructed in the earlier process; the steel plate can be embedded at one end of the prefabricated underground continuous wall body 1, which is deviated from the embedded steel plate 2, and when the prefabricated underground continuous wall body 1 is assembled, the steel plate on the prefabricated underground continuous wall body 1 constructed in the later process and the embedded steel plate 2 on the prefabricated underground continuous wall body 1 constructed in the advance process are welded to realize the splicing of the prefabricated underground continuous wall body 1 constructed in the later process and the prefabricated underground continuous wall body 1 constructed in the advance process.
The embodiment also provides a construction method of the underground continuous wall structure, which comprises the following steps:
1) constructing a guide wall, and grooving a diaphragm wall;
2) hoisting, constructing an underground diaphragm wall in advance, and then putting the diaphragm wall to a grooving position;
3) hoisting the underground continuous wall constructed later and then lowering the underground continuous wall to a specified position, so that one end of the underground continuous wall constructed later, which is far away from the embedded steel plates 2, extends to a position between the two embedded steel plates 2 at the end part of the underground continuous wall constructed earlier, and a certain gap is reserved between the underground continuous wall constructed earlier and the embedded steel plates 2; and fixedly connecting the end part of the underground continuous wall constructed later with the embedded steel plate 2 at the end part of the underground continuous wall constructed earlier, and then recharging fine aggregate concrete 7 between the underground continuous wall constructed earlier and the underground continuous wall constructed later so as to meet the waterproof requirement of the joint.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A prefabricated underground continuous wall is characterized in that: the prefabricated underground continuous wall comprises a prefabricated underground continuous wall body, wherein two ends of the prefabricated underground continuous wall body are respectively provided with a steel plate water stop, one end of each steel plate water stop is embedded into the prefabricated underground continuous wall body, and the other end of each steel plate water stop extends out of the prefabricated underground continuous wall body; the two sides of one end of the prefabricated underground continuous wall body are provided with embedded steel plates which are used for being spliced with the prefabricated underground continuous wall body for post construction.
2. A prefabricated underground diaphragm wall as claimed in claim 1, wherein: one side of the embedded steel plate facing the prefabricated underground continuous wall body is connected with anchor bars, and the anchor bars are embedded in the prefabricated underground continuous wall body.
3. A prefabricated underground diaphragm wall as claimed in claim 1, wherein: the steel plate water stops at the two ends of the prefabricated underground continuous wall body are arranged in a staggered mode in the horizontal direction.
4. A prefabricated underground diaphragm wall as claimed in claim 1, wherein: and a plurality of round holes which penetrate through the prefabricated underground continuous wall body from top to bottom are formed in the prefabricated underground continuous wall body.
5. A prefabricated underground diaphragm wall as claimed in claim 1, wherein: and hoisting holes are formed in the prefabricated underground diaphragm wall body.
6. A prefabricated underground diaphragm wall as claimed in claim 5, wherein: the hoisting hole is in the form of a through hole, a blind hole or a clamping groove.
7. A prefabricated underground diaphragm wall as claimed in claim 1, wherein: step parts are arranged on two sides of two ends of the prefabricated underground continuous wall body, and the embedded steel plates are fixed on the step parts.
8. A prefabricated underground diaphragm wall as claimed in any one of claims 1 to 7, wherein: the prefabricated underground continuous wall body is in a straight line shape or a corner shape.
9. An underground diaphragm wall structure which characterized in that: the prefabricated underground continuous wall comprises an underground continuous wall which is constructed in advance and an underground continuous wall which is constructed in a backward way, wherein the prefabricated underground continuous wall of any one of claims 1 to 8 is adopted as the underground continuous wall which is constructed in advance and the underground continuous wall which is constructed in the backward way; one end of the backward construction underground continuous wall, which is far away from the embedded steel plates, extends to a position between the two embedded steel plates at the end part of the forward construction underground continuous wall and is fixedly connected with the embedded steel plates on the forward construction underground continuous wall; concrete is poured between the underground continuous wall constructed in advance and the underground continuous wall constructed in the backward mode.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111705782A (en) * | 2020-05-27 | 2020-09-25 | 中铁第四勘察设计院集团有限公司 | Prefabricated underground diaphragm wall, underground diaphragm wall structure and construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111705782A (en) * | 2020-05-27 | 2020-09-25 | 中铁第四勘察设计院集团有限公司 | Prefabricated underground diaphragm wall, underground diaphragm wall structure and construction method |
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