CN217651763U - Underground continuous wall connection structure - Google Patents
Underground continuous wall connection structure Download PDFInfo
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- CN217651763U CN217651763U CN202221313369.4U CN202221313369U CN217651763U CN 217651763 U CN217651763 U CN 217651763U CN 202221313369 U CN202221313369 U CN 202221313369U CN 217651763 U CN217651763 U CN 217651763U
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Abstract
The utility model discloses an underground continuous wall connection structure, it relates to basic engineering technical field, underground continuous wall connection structure includes: a first wall section, a second wall section and a partition plate; the ends of the first and second wall segments facing each other are separated by the partition; a plurality of first steel bars are arranged on two sides of the first wall section and two sides of the second wall section in the vertical direction, and the first steel bars penetrate through the partition plate; and a plurality of second steel bars are arranged on two sides of the second wall section in the vertical direction, and the second steel bars and the first steel bars have overlapped parts in the extending direction of the second wall section. The method and the device can solve the problem that wall sections poured successively in the prior art cannot participate in stress integrally and cooperatively due to the existence of cold joints.
Description
Technical Field
The utility model relates to a foundation engineering technical field, in particular to diaphragm wall connection structure underground.
Background
The underground continuous wall is a foundation engineering, and its technological process is characterized by that on the ground a trenching machine is adopted, under the condition of slurry wall-protecting along the axis a long and narrow deep groove is excavated, after the groove is cleaned, the steel bar cage is suspended in the groove, then the underwater concrete is poured by means of conduit to form a unit groove section. The construction is carried out section by section, and a continuous reinforced concrete wall is built underground to serve as a structure for intercepting water, preventing seepage, bearing and retaining water.
The underground continuous wall joint is a construction key point in the construction of the underground continuous wall, and has great influence on the integrity and the impermeability of the underground continuous wall. The underground continuous wall joint applied in the current engineering is in the form of a fore shaft pipe joint, a joint box, an I-shaped steel joint, a cross joint, a precast concrete joint, an H-shaped steel joint, a II-shaped joint and the like. Each type of joint has its own features. However, these joints only serve to separate two successive groove sections, and cannot serve to integrate two successive groove sections.
Along with the development of municipal technology, underground continuous wall not only is used as manger plate retaining structure, more and more uses in the bridge foundation engineering structure, for example the anti foundation structure that pushes away of arched bridge. Therefore, the integrity of the underground diaphragm wall becomes a critical issue. The joints of the underground continuous wall should ensure that the successive wall sections can cooperate with the whole stress. Therefore, it is highly desirable to provide a new connecting structure for underground diaphragm walls to overcome the defects of the prior art.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a technical problem that will solve provides an underground continuous wall connection structure, and it can solve the wall section of successively pouring among the prior art and can not wholly participate in the problem of atress in coordination because of having the cold joint.
The embodiment of the utility model provides a concrete technical scheme is:
an underground diaphragm wall connecting structure, comprising:
a first wall section, a second wall section and a partition plate; the ends of the first and second wall segments facing each other are separated by the partition; a plurality of first steel bars are arranged on two sides of the first wall section and two sides of the second wall section in the vertical direction, and the first steel bars penetrate through the partition plate; and a plurality of second steel bars are arranged on two sides of the second wall section in the vertical direction, and the second steel bars and the first steel bars have overlapped parts in the extending direction of the second wall section.
Preferably, a plurality of third reinforcing steel bars are arranged on two sides of the first wall section in the extending direction of the first wall section, and the third reinforcing steel bars extend in the vertical direction.
Preferably, the first reinforcing bar extends along the extension direction of the first wall section; the second steel bar extends along the extension direction of the second wall section; the extending direction of the first wall segment is the same as the extending direction of the second wall segment.
Preferably, the second steel bar has a second steel bar first section, a second steel bar second section and a bending section connecting the second steel bar first section and the second steel bar second section; the first section of the second steel bar is close to the first wall section; the bending section enables the first section of the second steel bar to be positioned on the inner side of the first steel bar and the inner side of the second section of the second steel bar.
Preferably, a plurality of fourth reinforcing steel bars, a plurality of fifth reinforcing steel bars and a plurality of sixth reinforcing steel bars are arranged on two sides of the second wall section in the extending direction of the second wall section, and the fourth reinforcing steel bars, the fifth reinforcing steel bars and the sixth reinforcing steel bars extend in the vertical direction; the fourth reinforcing bar is positioned at the first reinforcing bar; the fifth reinforcing steel bar is positioned at the first section of the second reinforcing steel bar; the sixth rebar is located at the second rebar second section.
Preferably, the fourth reinforcing bar is located at an inner side of the first reinforcing bar; the fifth reinforcing steel bar is positioned at the inner side of the first section of the second reinforcing steel bar; the sixth reinforcing steel bar is positioned at the inner side of the second reinforcing steel bar second section.
Preferably, both sides of the partition plate are provided with a plurality of through holes for the first reinforcing steel bars to pass through, and the through holes are arranged in a vertical direction.
Preferably, the separator comprises a steel plate; the underground diaphragm wall connection structure further includes: the two first reinforcing steel plates and the two second reinforcing steel plates are fixedly connected to the steel plates, and the two first reinforcing plates are respectively positioned on two sides of the steel plates and extend in the direction towards the first wall section; the two second reinforcing plates are respectively positioned at two sides of the steel plate and extend along the direction towards the second wall section;
the first wall segment is positioned between the two first reinforcing plates; the second wall segment is located between two of the second reinforcement panels.
Preferably, the separator comprises a steel plate; the first steel bars are connected with the partition plates in a welding mode, and the through holes are fully welded.
Preferably, the underground diaphragm wall connecting structure further includes: the two grout stopping plates are respectively connected to the two sides of the steel plate or the first reinforced steel plate, and extend in the direction towards the first wall section.
The technical scheme of the utility model following beneficial effect that is showing has:
the problem that can not wholly participate in the atress is led to in the cold joint that exists between first wall section that solution that underground continuous wall connection structure in this application can be better successively pour and the second wall section. Compared with the traditional connection joint, the underground continuous wall connection structure can better integrate the first wall section and the second wall section in the underground continuous wall, and the first wall section and the second wall section can form a stressed integration through the first reinforcing steel bars and the second reinforcing steel bars, so that the application range of the underground continuous wall is enlarged, and particularly, the underground continuous wall is applied as an arch bridge anti-pushing foundation.
Specific embodiments of the present invention are disclosed in detail with reference to the following description and the accompanying drawings, which specify the manner in which the principles of the invention may be employed. It should be understood that the embodiments of the present invention are not so limited in scope. Features that are described and/or illustrated with respect to one embodiment may be used in the same way or in a similar way in one or more other embodiments, in combination with or instead of the features of the other embodiments.
Drawings
The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, the proportional sizes, and the like of the respective members in the drawings are merely schematic for helping the understanding of the present invention, and do not specifically limit the shapes, the proportional sizes, and the like of the respective members of the present invention. The skilled person in the art can, under the teaching of the present invention, choose various possible shapes and proportional dimensions to implement the invention according to the specific situation.
FIG. 1 is a top view of an underground diaphragm wall connection structure according to an embodiment of the present invention;
FIG. 2 is a right side view of the underground diaphragm wall connection structure according to the embodiment of the present invention;
fig. 3 is a left side view of the underground diaphragm wall connection structure in the embodiment of the present invention.
Reference numerals of the above figures:
1. a first wall segment; 11. a third reinforcing bar; 2. a second wall segment; 21. a second reinforcing bar; 211. a second rebar first segment; 212. a second section of the second steel bar; 213. bending the section; 22. a fourth reinforcing bar; 23. a fifth reinforcing bar; 24. a sixth reinforcing bar; 3. a partition plate; 4. a first reinforcing bar; 5. a first reinforcing steel plate; 6. a second reinforced steel plate; 7. a grout stopping plate; 8. and (4) a guide wall.
Detailed Description
The details of the present invention can be more clearly understood with reference to the accompanying drawings and the description of the embodiments of the present invention. However, the specific embodiments of the present invention described herein are for the purpose of explanation only, and should not be construed as limiting the invention in any way. Given the teachings of the present invention, the skilled person can conceive of any possible variants based on the invention, which should all be considered as belonging to the scope of the invention. It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "mounted," "connected," and "connected" are to be construed broadly and may include, for example, mechanical or electrical connections, communications between two elements, direct connections, indirect connections through intermediaries, and the like. As used herein, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are for purposes of illustration only and do not denote a single embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In order to solve the problem that the wall section of successively pouring can not wholly participate in the atress in coordination because of having the cold joint among the prior art, provided an underground continuous wall connection structure in this application, fig. 1 is the utility model discloses in the embodiment of underground continuous wall connection structure's top view, fig. 2 is the embodiment of the utility model provides an underground continuous wall connection structure's right side view, fig. 3 is the utility model provides an in the embodiment of underground continuous wall connection structure's left side view, as shown in fig. 1 to fig. 3, underground continuous wall connection structure can include: a first wall section 1, a second wall section 2 and a partition plate 3; the ends of the first wall segment 1 and the second wall segment 2 facing each other are separated by a partition 3; a plurality of first steel bars 4 are arranged on two sides of the first wall section 1 and two sides of the second wall section 2 in the vertical direction, and the first steel bars 4 penetrate through the partition plate 3; a plurality of second steel bars 21 are arranged on two sides of the second wall section 2 in the vertical direction, and the second steel bars 21 and the first steel bars 4 have overlapped parts in the extending direction of the second wall section 2.
As shown in fig. 1, the first wall segment 1 extends in a horizontal direction and the second wall segment 2 extends in a horizontal direction. First wall section 1 and second wall section 2 pass through baffle 3 towards tip each other and separate, and first wall section 1 and second wall section 2 can be surpassed to the upper and lower both sides of baffle 3 to further guarantee to cut off the effect.
As shown in fig. 1 and 3, a plurality of first reinforcing bars 4 are arranged on two sides of the first wall section 1 and two sides of the second wall section 2 in the vertical direction, and the first reinforcing bars 4 pass through the partition plate 3. The first reinforcement bars 4 extend in the extension direction of the first wall section 1, i.e. in the horizontal direction in the figure. Both sides of the partition board 3 are provided with a plurality of through holes for the first steel bars 4 to pass through, and the through holes are arranged in the vertical direction.
In order to improve the firmness between the first reinforcing steel bars 4 and the partition plates 3, so that the first wall section 1, the second wall section 2 and the partition plates 3 are relatively fixed, the partition plates 3 can be made of steel plates as feasible, the first reinforcing steel bars 4 are connected with the partition plates 3 through welding, and the through holes are welded completely.
As shown in fig. 1 and 2, a plurality of second reinforcing bars 21 are arranged in a vertical direction at both sides of the second wall segment 2. The second reinforcement 21 extends in the direction of extension of the second wall section 2. The first wall segment 1 extends in the same direction as the second wall segment 2.
As shown in fig. 1, the second reinforcing bars 21 and the first reinforcing bars 4 have an overlap in the direction of extension of the second wall section 2 at the end of the second wall section 2 adjacent the partition 3. In one possible embodiment, as shown in fig. 1, the second reinforcement bar 21 may have a first section 211 of the second reinforcement bar, a second section 212 of the second reinforcement bar, and a bend 213 connecting the first section 211 of the second reinforcement bar and the second section 212 of the second reinforcement bar. The second rebar first section 211 is adjacent to the first wall section 1. The bending section 213 makes the first section 211 and the second section 212 of the second steel bar not in the same straight line, so that the first section 211 of the second steel bar is located inside the first steel bar 4 and inside the second section 212 of the second steel bar.
As shown in fig. 1, in order to improve the strength and the shear resistance of the entire first wall segment 1, a plurality of third reinforcing bars 11 are arranged at both sides of the first wall segment 1 in the extending direction of the first wall segment 1, and the third reinforcing bars 11 extend in the vertical direction. Similarly, a plurality of fourth reinforcing steel bars 22, a plurality of fifth reinforcing steel bars 23 and a plurality of sixth reinforcing steel bars 24 are arranged on two sides of the second wall section 2 in the extending direction of the second wall section 2, and the fourth reinforcing steel bars 22, the fifth reinforcing steel bars 23 and the sixth reinforcing steel bars 24 extend in the vertical direction; the fourth reinforcing bar 22 is located at the first reinforcing bar 4; the fifth rebar 23 is located at the second rebar first section 211; the sixth reinforcement bar 24 is positioned at the second reinforcement bar second section 212. The existence of fourth reinforcing bar 22 and fifth reinforcing bar 23 can make the atress of first wall section 1 transmit the first reinforcing bar 4 and the fourth reinforcing bar 22 department back of second wall section 2 left end department through first reinforcing bar 4, transmit second reinforcing bar 21 and fifth reinforcing bar 23 to second wall section 2 left end department again, and then to whole second wall section 2, easily form whole atress more. Further, the fourth reinforcing bars 22 may be positioned at the inner side of the first reinforcing bars 4; the fifth rebar 23 may be located inside the second rebar first section 211; the sixth reinforcement bar 24 may be positioned inside the second reinforcement bar at the second section 212.
As shown in fig. 2 and 3, guide walls 8 having an L-shaped cross section are disposed on both sides of the first wall segment 1 and the second wall segment 2. Before grooving, a guide wall 8 can be constructed, the guide wall 8 is a key for ensuring the position accuracy and grooving quality of the underground continuous wall, and during construction, the guide wall 8 always bears the static and dynamic loads of a reinforcement cage, a guide pipe for pouring concrete, a drilling machine and the like. The remainder of the interior of the first and second wall segments 1, 2 is formed by concrete casting.
In a possible embodiment, the partition 3 may be a steel plate. Correspondingly, as shown in fig. 1, the underground diaphragm wall connection structure may further include: two first reinforcing steel plates 5 and two second reinforcing steel plates 6 fixedly connected to the steel plates, wherein the two first reinforcing steel plates are respectively positioned at two sides of the steel plates and extend along the direction towards the first wall section 1; the two second reinforcing plates are located on both sides of the steel plate respectively and extend in the direction towards the second wall section 2. The first wall section 1 is positioned between two first reinforcing plates; the second wall section 2 is located between two second reinforcement plates. First reinforcing steel plate 5 and second reinforcing steel plate 6 can weld on the steel sheet, and when first wall section 1 and second wall section 2 wholly participated in the atress in coordination, first reinforcing steel plate 5 and second reinforcing steel plate 6 can play the effect that prevents 3 deformations of baffle.
In one possible embodiment, as shown in fig. 1, the underground diaphragm wall connecting structure may include: two grout stopping plates 7, two grout stopping plates 7 are connected respectively on the both sides of steel sheet or first reinforcing steel plate 5, and two grout stopping plates 7 extend along the direction towards first wall section 1. For example, the grout plate 7 may be made of a steel plate, and the two grout plates 7 are respectively connected to the leftmost end of the first reinforcing steel plate 5 by welding. When the first wall section 1 is poured firstly, the grout stop plate 7 which is arranged firstly can prevent concrete grout from permeating into the area of the first wall section 1 which is not poured from the first wall section 1 which is poured firstly along the side wall.
Underground continuous wall connection structure in this application punches according to the vertical interval of first reinforcing bar 4 baffle 3 earlier when being under construction, and the second that will pour earlier first wall section 1 again strengthens steel sheet 5, the later poured 6 and ends the welding of thick liquid board 7 on baffle 3. And (3) penetrating the first reinforcing steel bar 4 through the through hole in the partition plate 3, and fully welding the hole of the through hole to connect the first reinforcing steel bar 4 and the partition plate 3 through welding. And (3) a reinforcement cage formed by components such as a third reinforcement 11 is put down into the underground continuous wall foundation trench after hole cleaning according to the design position, the first wall section 1 and the second wall section 2 are separated through the partition plate 3, and the concrete of the first wall section 1 is poured in advance during pouring. And excavating an underground continuous wall foundation trench of the second wall section 2, manufacturing a reinforcement cage and a third reinforcement cage by using second reinforcements 21, fifth reinforcements 23 and sixth reinforcements 24 in the second wall section 2, and putting the reinforcement cage made by using fourth reinforcements 22 into the continuous wall foundation trench after hole cleaning, so as to ensure that the first reinforcements 4 and the second reinforcements 21 have overlapped parts in the extending direction of the second wall section 2, and thus, the first reinforcements and the second reinforcements have certain anchoring length. After that, the concrete of the second wall section 2 is poured. After the concrete to be cast is solidified, the first wall section 1 cast in advance and the second wall section 2 cast in later can be integrated.
The utility model provides a cold joint that exists between first wall section 1 that solution underground continuous wall connection structure can be better and successively pour and second wall section 2 leads to the problem that can not wholly participate in the atress. Compared with the traditional connecting joint, the underground continuous wall connecting structure can better integrate the first wall section 1 and the second wall section 2 in the underground continuous wall, and the first reinforcing steel bars 4 and the second reinforcing steel bars 21 can form a stressed whole, so that the application range of the underground continuous wall is enlarged, and particularly the underground continuous wall is applied as an arch bridge anti-push foundation.
The above embodiments in the present specification are all described in a progressive manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment is described with emphasis on being different from other embodiments. A plurality of elements, components, parts or steps can be provided by a single integrated element, component, part or step. Alternatively, a single integrated element, component, part or step may be divided into separate plural elements, components, parts or steps. The disclosure of "a" or "an" to describe an element, ingredient, component or step is not intended to foreclose other elements, ingredients, components or steps.
Although the embodiments of the present invention have been described above, the present invention is only applicable to the embodiments for easy understanding of the present invention, and is not limited to the embodiments of the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. An underground diaphragm wall connecting structure, comprising:
a first wall section, a second wall section and a partition plate; the ends of the first and second wall segments facing each other are separated by the partition; a plurality of first steel bars are arranged on two sides of the first wall section and two sides of the second wall section in the vertical direction, and the first steel bars penetrate through the partition plate; and a plurality of second steel bars are arranged on two sides of the second wall section in the vertical direction, and the second steel bars and the first steel bars have overlapped parts in the extending direction of the second wall section.
2. An underground diaphragm wall connecting structure according to claim 1, wherein a plurality of third reinforcing bars are arranged on both sides of the first wall section in the extending direction of the first wall section, the third reinforcing bars extending in the vertical direction.
3. The underground diaphragm wall connecting structure according to claim 1, wherein the first reinforcing bars extend in the extending direction of the first wall section; the second steel bar extends along the extending direction of the second wall section; the extending direction of the first wall segment is the same as the extending direction of the second wall segment.
4. The underground diaphragm wall connecting structure according to claim 1, wherein the second reinforcing bar has a second reinforcing bar first section, a second reinforcing bar second section, and a bent section connecting the second reinforcing bar first section and the second reinforcing bar second section; the first section of the second steel bar is close to the first wall section; the bending section enables the first section of the second steel bar to be positioned on the inner side of the first steel bar and the inner side of the second section of the second steel bar.
5. An underground diaphragm wall connecting structure according to claim 4, wherein a plurality of fourth reinforcing bars, a plurality of fifth reinforcing bars and a plurality of sixth reinforcing bars are arranged on both sides of the second wall section in the extending direction of the second wall section, the fourth reinforcing bars, the fifth reinforcing bars and the sixth reinforcing bars extending in the vertical direction; the fourth reinforcing steel bar is positioned at the first reinforcing steel bar; the fifth reinforcing steel bar is positioned at the first section of the second reinforcing steel bar; the sixth rebar is located at the second rebar second section.
6. An underground diaphragm wall connecting structure according to claim 5, wherein the fourth reinforcing bars are located inside at the first reinforcing bars; the fifth reinforcing steel bar is positioned at the inner side of the first section of the second reinforcing steel bar; the sixth reinforcing bar is positioned at the inner side of the second section of the second reinforcing bar.
7. An underground diaphragm wall connecting structure according to claim 1, wherein both sides of the partition plate have a plurality of through-holes through which the first reinforcing bars pass, and the plurality of through-holes are arranged in a vertical direction.
8. The underground diaphragm wall connecting structure according to claim 1, wherein the partition plate comprises a steel plate; the underground diaphragm wall connection structure further includes: the two first reinforcing steel plates and the two second reinforcing steel plates are fixedly connected to the steel plates, and the two first reinforcing plates are respectively positioned on two sides of the steel plates and extend in the direction towards the first wall section; the two second reinforcing plates are respectively positioned at two sides of the steel plate and extend along the direction towards the second wall section;
the first wall section is positioned between the two first reinforcing plates; the second wall segment is located between two of the second reinforcement panels.
9. The underground diaphragm wall connecting structure according to claim 7, wherein the partition plate comprises a steel plate; the first steel bars are connected with the partition plates in a welding mode, and the through holes are fully welded.
10. The underground continuous wall connection structure according to claim 8, further comprising: two end the thick liquid board, two end the thick liquid board connect respectively in the both sides of steel sheet or on the first reinforced steel plate, two end the thick liquid board along the orientation first wall section's direction extends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221313369.4U CN217651763U (en) | 2022-05-30 | 2022-05-30 | Underground continuous wall connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221313369.4U CN217651763U (en) | 2022-05-30 | 2022-05-30 | Underground continuous wall connection structure |
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| Publication Number | Publication Date |
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| CN217651763U true CN217651763U (en) | 2022-10-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221313369.4U Active CN217651763U (en) | 2022-05-30 | 2022-05-30 | Underground continuous wall connection structure |
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- 2022-05-30 CN CN202221313369.4U patent/CN217651763U/en active Active
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