CN214271999U - Different cross-sectional dimension ground is wall joint even - Google Patents
Different cross-sectional dimension ground is wall joint even Download PDFInfo
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- CN214271999U CN214271999U CN202023257563.9U CN202023257563U CN214271999U CN 214271999 U CN214271999 U CN 214271999U CN 202023257563 U CN202023257563 U CN 202023257563U CN 214271999 U CN214271999 U CN 214271999U
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Abstract
The utility model provides a different cross sectional dimension ground is wall joint even, include: the web plate is arranged between the ground connecting wall with the larger cross section size and the ground connecting wall with the smaller cross section size; the flange plate is vertically connected with one end of the web plate; the first sealing steel plate is connected to the left side surface of the web plate; the second sealing steel plate is connected to the right side face of the web plate; the first sealing steel plate is connected with horizontally distributed steel bars on one side of the inner side of the underground diaphragm wall with larger cross-sectional size; the flange plate is connected with horizontally distributed reinforcing steel bars on the other side in the ground connecting wall with larger cross-sectional size; and the reinforcement cage at one end of the lower-section-size underground diaphragm wall is positioned between the second sealing steel plate and the flange plate. The utility model provides a technical scheme can effectively solve different cross sectional dimension ground and link wall kneck percolating water and concrete and flow around the problem, avoids simultaneously linking wall seam crossing to set up and spouts a stagnant water soon, has greatly reduced engineering cost, has improved site operation efficiency, increases the foundation ditch security, has better economic rationality.
Description
Technical Field
The utility model belongs to the technical field of envelope among the geotechnical engineering, in particular to different cross sectional dimension ground is wall joint even.
Background
With the continuous development of underground space, the depth of a foundation pit is deeper and deeper, higher requirements are provided for the rigidity of a supporting structure, and the diaphragm wall is widely applied to the excavation of the deep foundation pit as a form of an enclosure structure with high rigidity and good water stopping effect.
For fully considering factors such as safe economy rationality, to different degree of depth foundation ditch, adopt the ground to link the wall cross-sectional dimension different, when different cross-sectional dimensions ground links the wall and connects, the ground links the following joint form of wall commonly used: (1) the pipe joint of the lock catch: the latch pipe inserts ground even wall both ends in-process of linking the wall grooving, and after ground even wall concrete placement is accomplished and preliminary formation intensity pulls out, the latch pipe can be adjusted according to different cross-sectional dimension ground even wall. The lock catch pipe joint can be repeatedly used, so that the main advantage is that the cost is low, but the water channeling channel is easily formed on the ground connecting wall joint after the lock catch pipe is pulled out, so that the joint leaks water in the excavation stage of the foundation pit, and the safety of the foundation pit is not facilitated; (2) the joint of the common I-shaped steel: the ground connecting wall reinforcing steel bars and the I-shaped steel are welded and are together put into the groove to serve as a permanent water-stop joint measure, but the size of the I-shaped steel is generally set according to the size of the ground connecting wall with a larger cross section size, and the I-shaped steel cannot be well attached to the ground connecting wall reinforcing steel bars with a smaller cross section size, so that water leakage at the joint is easy to occur, and the safety of a foundation pit is influenced; (3) ordinary I-steel connects + spouts stake stagnant water soon: the jet grouting pile water stopping is additionally arranged outside the diaphragm wall joint on the basis of the second scheme, the problem of water leakage of the diaphragm wall joint can be solved, the jet grouting pile is high in manufacturing cost and limited in construction depth, and the jet grouting pile additionally arranged at the ultra-deep diaphragm wall joint has poor effect as a joint water stopping measure. Therefore, the water leakage and the concrete streaming of the ground wall joints with different section sizes are effectively and economically solved, and the reasonable design of the ground wall joints with different section sizes is particularly important.
SUMMERY OF THE UTILITY MODEL
The present invention aims at least solving one of the technical problems existing in the prior art or the related art.
In view of this, an object of the present invention is to provide a ground wall joint for different cross-sectional sizes.
In order to realize above-mentioned purpose, the technical scheme of the utility model provide a be used for different cross sectional dimension ground to link the wall joint, a different cross sectional dimension ground links the wall joint, different cross sectional dimension ground links the wall and is called the great ground of cross sectional dimension respectively and links the wall with cross sectional dimension is less, the joint is used for connecting different cross sectional dimension ground and links the wall, cross sectional dimension is great ground links the wall and all is provided with the steel reinforcement cage in the wall with cross sectional dimension is less, the steel reinforcement cage comprises horizontal distribution reinforcing bar and principal steel bar, a serial communication port, the joint includes: the web plate is arranged between the ground connecting wall with the larger cross section size and the ground connecting wall with the smaller cross section size; the flange plate is vertically connected with one end of the web plate; the first sealing steel plate is connected to the left side surface of the web plate; the second sealing steel plate is connected to the right side face of the web plate; the first sealing steel plate is connected with horizontally distributed steel bars on one side of the inner side of the underground diaphragm wall with larger cross-sectional size; the flange plate is connected with horizontally distributed reinforcing steel bars on the other side in the ground connecting wall with larger cross-sectional size; and the reinforcement cage at one end of the lower-section-size underground diaphragm wall is positioned between the second sealing steel plate and the flange plate.
Further, still include: and the rear anti-current-winding plate is vertically connected with the flange plate.
Further, still include: the front anti-flow-around plate is formed by the other end of the web plate and the web plate between the first sealing steel plates.
Furthermore, the length between one end, far away from the first sealing steel plate, of the front anti-flow-surrounding plate and the first sealing steel plate is 60-80 mm.
Further, the horizontally distributed reinforcing steel bars on one side and the horizontally distributed reinforcing steel bars on the other side in the underground diaphragm wall with the smaller cross-sectional dimension are connected at one end of the underground diaphragm wall with the smaller cross-sectional dimension.
Furthermore, the length between one end of the rear anti-bypass plate far away from the flange plates and the flange plates is 60-80 mm.
Furthermore, the thickness of the first sealing steel plate, the flange plate, the second sealing steel plate and the rear anti-bypass flow plate ranges from 10mm to 12 mm.
Furthermore, the first sealing steel plate, the flange plate, the second sealing steel plate, the rear anti-current-winding plate and the web plate are connected through welding.
The embodiment of the utility model provides a beneficial effect that technical scheme brought is: the problem of seepage water and concrete streaming at the underground diaphragm wall joint of different cross-sectional dimensions can be effectively solved, the arrangement of the jet grouting pile water stop at the underground diaphragm wall joint is avoided, the engineering cost is greatly reduced, the field construction efficiency is improved, the safety of a foundation pit is improved, and the economic rationality is better.
The underground diaphragm wall joint with different section sizes is convenient to construct, economical and reasonable, and beneficial to conversion of the section sizes of the underground diaphragm wall.
Drawings
FIG. 1 shows a schematic structural view of a diaphragm wall and joint of different cross-sectional dimensions according to an embodiment of the present invention;
fig. 2 shows a schematic structural view of a joint according to an embodiment of the invention;
fig. 3 shows a schematic structural view of a joint according to an embodiment of the invention;
fig. 4 shows a schematic structural view of a joint according to an embodiment of the present invention.
The symbols in the figures are as follows:
the structure comprises a web plate 1, a first sealing steel plate 11, a flange plate 12, a second sealing steel plate 13, a front anti-flow-around plate 15, a rear anti-flow-around plate 2, a steel reinforcement cage 5, horizontally distributed steel reinforcements 51, main steel reinforcements 52, a ground wall with a large section size 6 and a ground wall with a small section size 7.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention and its advantages will be described in further detail below with reference to the accompanying drawings.
As shown in fig. 1 and 2, an embodiment of the utility model provides a be used for different cross sectional dimension ground to link wall joint, wherein, different cross sectional dimension's ground is even the wall and is called the great ground of cross sectional dimension respectively and links wall 6 and cross sectional dimension less ground even wall 7, the joint is used for connecting the great ground of cross sectional dimension and links the one end of wall 6 and the less ground of cross sectional dimension even one end of wall 7, cross sectional dimension is great ground even wall 6 and cross sectional dimension all is provided with steel reinforcement cage 5 in the less ground even wall 7, steel reinforcement cage 5 comprises horizontal distribution reinforcing bar 51 and main reinforcement 52, the joint includes: the web plate 1 is arranged between the ground connecting wall 6 with larger cross section size and the ground connecting wall 7 with smaller cross section size; a flange plate 12 vertically connected to one end of the web 4; the first sealing steel plate 11 is connected to the left side surface of the web plate 1; the second sealing steel plate 3 is connected to the right side surface of the web plate 1; wherein, the first sealing steel plate 11 is connected with a horizontally distributed reinforcing steel bar 51 at one side in the ground connecting wall 6 with larger cross-sectional size; the flange plate 12 is connected with a horizontally distributed reinforcing steel bar 51 on the other side of the ground connecting wall 6 with larger section size; the reinforcement cage 5 at one end of the diaphragm wall 7 of smaller cross-sectional dimension is between the second closure steel plate 13 and the flange plate 12.
In this embodiment, the web 1 is disposed between the ground connecting wall with larger cross-sectional dimension and the ground connecting wall 7 with smaller cross-sectional dimension, and is mainly used for isolating the trench where the ground connecting wall with larger cross-sectional dimension is located and the trench where the ground connecting wall 7 with smaller cross-sectional dimension is located, specifically, after the ground connecting wall is grooved, the ground connecting wall 6 with larger cross-sectional dimension is firstly constructed, the reinforcement cage 5 of the ground connecting wall 6 with larger cross-sectional dimension is placed in the groove, and then concrete is poured, the web 1 is disposed at one end of the trench where the ground connecting wall 6 with larger cross-sectional dimension is located, and under the blocking action of the web 1, the ground connecting wall 6 with larger cross-sectional dimension is formed after the concrete is solidified, specifically, the first sealing steel plate 11 and the flange plate 12 disposed at the left side of the web 1 are used for connecting the horizontally distributed reinforcements 51 of the ground connecting wall 6 with larger cross-sectional dimension, so that the reinforcement cage 5 in the ground connecting wall 6 with larger cross-sectional dimension has already been connected with the web 1, the ground connecting wall 7 with smaller cross-sectional dimension before the concrete is poured, First steel sheet 11 and the flange board 12 that seals connect into a whole, avoid when concreting because the pressure of concrete leads to web 1 to remove or slope, can effectively obstruct concrete, water and bypass web 1 to the kneck seepage to avoid the great ground of cross sectional dimension to link wall 6 and the less kneck seepage water that links wall 7 of cross sectional dimension. In addition, the second sealing steel plate 13 and the flange plate 12 on the right side of the web plate 1 are arranged at positions corresponding to the cross section size of the lower underground diaphragm wall 7, the left end of the steel reinforcement cage 5 of the higher underground diaphragm wall 7 is arranged between the second sealing steel plate 13 and the flange plate 12, so that after the lower underground diaphragm wall 7 is grooved, the steel reinforcement cage 5 of the lower underground diaphragm wall 7 is placed into a constructed special underground diaphragm wall joint, the steel reinforcement cage 5 of the lower underground diaphragm wall 7 is placed between the flange plate 12 and the second sealing steel plate 13, then concrete is poured, pouring of the lower underground diaphragm wall 7 is completed, the arrangement of a jet grouting pile water stop at the joint of the underground diaphragm wall is avoided, the engineering cost is greatly reduced, the site construction efficiency is improved, the foundation pit safety is improved, and the economic rationality is better.
Wherein, seal steel sheet 13 through setting up first steel sheet 11, flange board 12, the second of sealing, when concreting, can effectively reduce the impact of concrete to near the ground of web 1 front and back both ends even wall cell wall, avoid the local of ground even wall cell wall to collapse to effectively prevent ground even wall concrete stream around.
In one specific implementation, the first seal steel plate 11, the flange plate 12, and the second seal steel plate 13 are all 200mm long and 10mm thick steel plates.
For the convenience of on-site construction, the horizontally distributed steel bars 51 of the diaphragm wall 6 with larger cross-sectional dimension are welded with the front side surfaces of the first sealing steel plate 11 and the flange plate 12.
Specifically, front, rear, left, and right are directions indicated by arrows in fig. 1.
In an embodiment of the present invention, as shown in fig. 2 and 4, the joint further includes: and the rear anti-current-bypass plate 2 is vertically connected with the flange plate 12.
In the present embodiment, as shown in fig. 2, a rear anti-bypass plate 2 is provided on the rear end surface of the web 1 to prevent the concrete of the diaphragm wall from bypassing. Further, the length H between one end of the rear anti-bypass plate 2 far away from the flange plate 12 and the flange plate 12 is 60 mm-80 mm, and is generally 70 mm. The height of the anti-streaming board, the height of the web plate 1 and the depth of the ground continuous wall 6 with larger cross section size are equal, so that the concrete streaming of the ground continuous wall is prevented. In particular, in the process of wall-to-wall grooving, the size of the grab bucket is 800 or 1000mm, but the height of the joint is generally only 660mm or 860 mm. There is an approximately 70mm gap between the channel and each side of the i-section. The anti-spoiler is characterized in that a baffle (namely the rear anti-spoiler 2 or the front anti-spoiler 15) is added at a gap (about 70mm) formed by grooving the ground diaphragm wall connector and the ground diaphragm wall through a steel plate (the rear anti-spoiler 2 is arranged on one side, and the front anti-spoiler 15 is arranged on the other side), so that concrete is prevented from flowing into the other ground diaphragm wall in the pouring process.
In an embodiment of the present invention, the present invention further includes: and a front anti-current-leakage plate 15 is formed by the web plate 1 between the other end of the web plate 1 and the first sealing steel plate 11.
In the present embodiment, as shown in fig. 2, a front anti-bypass plate 15 that protrudes the first sealing steel plate 11 along the front side of the web 1 is provided on the front end surface of the web 1 to prevent the concrete of the diaphragm wall from bypassing. Specifically, the length H between the end of the front anti-bypass plate 15 away from the first sealing steel plate 11 and the first sealing steel plate 11 is 60mm to 80mm, and generally 70mm, that is, the front bypass plate and the rear bypass plate have the same function, i.e., prevent the concrete from bypassing.
Further, as shown in fig. 3, the front anti-current-leakage plate 15, the web plate 1, and the flange plate 12 are substantially T-shaped steel plates, the rear anti-current-leakage plate 2 is connected to the flange plate of the T-shaped steel plate, and the relative position of the second sealing steel plate 13 and the web plate 1 is adjusted according to the size of the reinforcement cage 5 of the diaphragm wall 7 with a smaller cross-sectional size, so that the joint is matched with the diaphragm wall 7 with a smaller cross-sectional size.
On the basis of the T-shaped steel plate, the positions of the second sealing steel plate 13 and the first sealing steel plate 11 are adjusted according to the section sizes of the wall connecting bodies in different places, wherein the size of the T-shaped steel plate is determined according to the size of the steel reinforcement cage 5 of the wall connecting body 6 with the larger section size.
The T-shaped steel plate, the second sealing steel plate 13, the first sealing steel plate 11, and the anti-flow-around plate are all steel plates, and the sectional dimension of the steel plate is adjusted according to the depth of the diaphragm wall, preferably, the sectional dimension of the steel plate ranges from 10mm to 12 mm.
Further, the horizontally distributed reinforcing steel bars 51 on one side and the horizontally distributed reinforcing steel bars 51 on the other side in the underground diaphragm wall 7 with the smaller cross-sectional dimension are connected in a closed mode at one end of the underground diaphragm wall 7 with the smaller cross-sectional dimension, so that the reinforcing steel bar cage 5 of the underground diaphragm wall 7 is placed into a constructed special joint after the underground diaphragm wall 7 with the smaller cross-sectional dimension is grooved. In detail, the underground diaphragm wall reinforcing steel bars are divided into an early construction groove section (in the underground diaphragm wall 6 with larger cross section dimension) and a later construction groove section (in the underground diaphragm wall 7 with smaller cross section dimension), the early construction groove section puts an underground diaphragm wall joint into a groove, and the two horizontally distributed ribs 51 on the two sides of the later construction groove section reinforcing cage 5 are connected to form a closed opening, so that the rigidity of the reinforcing cage 5 can be enhanced.
The first sealing steel plate 11, the flange plate 12, the second sealing steel plate 13, the rear anti-current-winding plate 2 and the web plate 1 are connected through welding.
Further, as shown in fig. 2 and 4, the horizontal distribution steel bars 51 of the diaphragm wall are welded to the upper edges of the first sealing steel plate 11 and the flange plate 12, so that the welding can be performed on site, and a welder can weld the upper plate surface of the steel plate to avoid the horizontal distribution steel bars 51 and the lower plate surfaces of the first sealing steel plate 11 and the flange plate 12 from being welded upwards.
An embodiment of the utility model provides a method for connecting ground connecting walls with different cross-sectional dimensions, specifically, as shown in fig. 3, the ground connecting wall is grooved, the ground connecting wall 6 with larger cross-sectional dimension is constructed first, the joint consisting of the T-shaped steel plate, the first sealing steel plate 11, the second sealing steel plate 13 and the rear anti-current-winding plate 2 is welded with the reinforcement cage 5 of the ground connecting wall 6 with larger cross-sectional dimension, the groove is formed after the welding is finished, and the concrete with larger cross-sectional dimension is poured on the ground connecting wall 6; the distributed ribs of the reinforcement cage 5 of the underground diaphragm wall 7 with smaller cross-sectional dimension are made into a sealing form and are placed into a constructed underground diaphragm wall joint after being grooved; and pouring concrete of the diaphragm wall 7 with smaller cross section size, and respectively finishing the diaphragm wall construction with different cross section sizes.
The utility model has the advantages as follows: the problem of seepage water and concrete streaming at the underground diaphragm wall joint of different cross-sectional dimensions can be effectively solved, the arrangement of the jet grouting pile water stop at the underground diaphragm wall joint is avoided, the engineering cost is greatly reduced, the field construction efficiency is improved, the safety of a foundation pit is improved, and the economic rationality is better. The underground diaphragm wall joint with different section sizes is convenient to construct, economical and reasonable, and beneficial to conversion of different section sizes of the underground diaphragm wall.
In the present application, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or unit indicated must have a specific direction, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a different cross sectional dimension ground is wall joint even, different cross sectional dimension ground is wall even is called the great ground of cross sectional dimension and is linked the wall with cross sectional dimension is less even, the joint is used for connecting different cross sectional dimension ground is wall even, cross sectional dimension greatly even the wall with cross sectional dimension is less even all be provided with the steel reinforcement cage in the wall, the steel reinforcement cage comprises horizontal distribution reinforcing bar and main reinforcement, its characterized in that, the joint includes:
the web plate is arranged between the ground connecting wall with the larger cross section size and the ground connecting wall with the smaller cross section size;
the flange plate is vertically connected with one end of the web plate;
the first sealing steel plate is connected to the left side face of the web plate;
the second sealing steel plate is connected to the right side face of the web plate;
the first sealing steel plate is connected with the horizontally distributed reinforcing steel bars on one side of the inner side of the underground diaphragm wall with the larger cross-sectional size; the flange plate is connected with the horizontally distributed reinforcing steel bars on the other side in the ground connecting wall with the larger cross section size; and a reinforcement cage at one end of the lower-section-size underground diaphragm wall is positioned between the second sealing steel plate and the flange plate.
2. A wall sub of varying cross-sectional size as defined in claim 1, further comprising:
and the rear anti-current-winding plate is vertically connected with the flange plate.
3. A wall coupling of varying cross-sectional dimensions as in claim 1 or 2, further comprising:
the other end of the web plate and the web plate between the first sealing steel plates form the front anti-flow-around plate.
4. A wall coupling of varying cross-sectional dimensions as defined in claim 3,
the length between one end, far away from the first sealing steel plate, of the front anti-flow-around plate and the first sealing steel plate is 60-80 mm.
5. A wall connection of different cross-sectional dimensions according to claim 1,
the horizontally distributed reinforcing steel bars on one side and the horizontally distributed reinforcing steel bars on the other side in the underground diaphragm wall with the smaller cross-sectional size are connected at one end of the underground diaphragm wall with the smaller cross-sectional size.
6. A wall coupling of varying cross-sectional dimensions as defined in claim 2,
the length of one end of the rear anti-bypass plate, which is far away from the flange plates, from the space between the flange plates is 60-80 mm.
7. A wall coupling of varying cross-sectional dimensions as defined in claim 2,
the thickness of the first sealing steel plate, the flange plate, the second sealing steel plate and the rear anti-streaming plate ranges from 10mm to 12 mm.
8. A wall coupling of varying cross-sectional dimensions as defined in claim 2,
the first steel sheet of sealing, the flange board, the second seals the steel sheet, back anti-current-winding board with pass through welded connection between the web.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023257563.9U CN214271999U (en) | 2020-12-29 | 2020-12-29 | Different cross-sectional dimension ground is wall joint even |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023257563.9U CN214271999U (en) | 2020-12-29 | 2020-12-29 | Different cross-sectional dimension ground is wall joint even |
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| Publication Number | Publication Date |
|---|---|
| CN214271999U true CN214271999U (en) | 2021-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023257563.9U Active CN214271999U (en) | 2020-12-29 | 2020-12-29 | Different cross-sectional dimension ground is wall joint even |
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|---|---|
| CN (1) | CN214271999U (en) |
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- 2020-12-29 CN CN202023257563.9U patent/CN214271999U/en active Active
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