CN218712882U - Underground continuous wall structure - Google Patents
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- CN218712882U CN218712882U CN202222972131.9U CN202222972131U CN218712882U CN 218712882 U CN218712882 U CN 218712882U CN 202222972131 U CN202222972131 U CN 202222972131U CN 218712882 U CN218712882 U CN 218712882U
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Abstract
The utility model discloses an underground continuous wall structure, which comprises a first wall body, wherein the first wall body comprises a plurality of first wall sections, and a first seam is arranged between every two adjacent first wall sections; a second wall section and a third wall section are respectively arranged at two ends of the first wall body, a second joint is arranged between the second wall section and the adjacent first wall section, and a third joint is arranged between the third wall section and the adjacent first wall section; i-steel beams are vertically arranged on two sides of the first joint, the second joint and the third joint, and flexible waterproof layers are arranged in the middle of the first joint, the second joint and the third joint. In the utility model, the flexible waterproof layer can deform along with the micro deformation of the first joint, the second joint and the third joint, thereby closely fitting two adjacent wall sections all the time, and leading the connection between the wall sections to be more compact; in addition, the flexible waterproof layer plays a role in water retaining at the first joint, the second joint and the third joint.
Description
Technical Field
The utility model relates to a construction technical field, concretely relates to underground continuous wall structure.
Background
The underground continuous wall is a structure that foundation engineering adopts a slotting machine on the ground, a deep foundation pit is excavated along the peripheral axis of the engineering, a narrow deep groove is excavated under the condition of slurry wall protection, a reinforcement cage is hung in the groove after the groove is cleaned, then underwater concrete is filled by using a conduit method, a unit groove section is formed on a section, and a continuous reinforced concrete wall is built underground in the section to serve as a structure for water interception, seepage prevention, bearing and water retaining.
The joint is a weak link of the underground diaphragm wall, the deformation resistance of the joint is poor in the construction of the existing water stopping joint structure of the diaphragm wall, the joint is positioned on a plane, water can easily seep out through the plane, and the anti-seepage effect cannot well meet the requirements of actual engineering; the concrete performance is that the seam crossing is easy to leak water, and the reason is that the wall body verticality is not enough to cause the seam crossing to generate staggered joints, or the seam crossing generates horizontal displacement under the action of external force to cause the horizontal dislocation of adjacent wall bodies, and the problem of mud clamping can occur during the construction of joints.
SUMMERY OF THE UTILITY MODEL
Not enough to the above-mentioned of prior art, the utility model provides an underground continuous wall structure that stagnant water is effectual and anti deformability is strong.
In order to achieve the purpose of the invention, the technical scheme adopted by the utility model is as follows:
in a first aspect, there is provided an underground diaphragm wall structure comprising:
the first wall body comprises a plurality of first wall sections, and a first joint is arranged between every two adjacent first wall sections;
the second wall section is arranged at one end of the first wall body, and a second joint is arranged between the second wall section and the adjacent first wall section;
the third wall section is arranged at one end of the first wall body far away from the second wall section, and a third joint is arranged between the third wall section and the adjacent first wall section;
the I-shaped steel is vertically arranged on two sides of the first joint, the second joint and the third joint, and the length of the I-shaped steel is greater than the height of the first wall section, the height of the second wall section and the height of the third wall section;
and the flexible waterproof layer is vertically arranged in the middle of the first joint, the second joint and the third joint.
The beneficial effects of adopting the above technical scheme are: the flexible waterproof layer covers the first joint, the second joint and the third joint and can deform along with the micro deformation of the first joint, the second joint and the third joint, so that the flexible waterproof layer is always tightly attached to two adjacent wall sections, and the wall sections are connected more tightly; in addition, the flexible waterproof layer plays a role in water retaining at the first joint, the second joint and the third joint; meanwhile, the flexible waterproof layer prevents water from permeating upwards easily;
and because the first joint, the second joint and the third joint are completely covered by the flexible waterproof layer, even if mud is clamped at the first joint, the second joint or the third joint, the flexible waterproof layer can avoid leakage caused by the construction defects; i-steel carries out the shutoff at the both sides of first seam, second seam and third seam first seam and second seam and third seam to play the effect of stagnant water.
Furthermore, the first wall sections are T-shaped wall sections, one ends of the first wall sections are respectively and vertically provided with a first groove-shaped joint plate and a first fold line-shaped seal head reinforcing steel bar, and the other ends of the first wall sections are respectively and vertically provided with a second fold line-shaped seal head reinforcing steel bar and a second groove-shaped joint plate; i-shaped steel is vertically arranged between a first groove-shaped joint plate of the first wall section and a first fold-line-shaped seal head reinforcing steel bar of the adjacent first wall section, between a second groove-shaped joint plate of the first wall section and a second fold-line-shaped seal head reinforcing steel bar of the adjacent first wall section, and the groove depth of the first groove-shaped joint plate and the groove depth of the second groove-shaped joint plate are both larger than the waist height of the I-shaped steel.
The beneficial effects of adopting the above technical scheme are: the first groove-shaped joint plate of the T-shaped wall section and the first fold-shaped end socket reinforcing steel bar of the adjacent T-shaped wall section are connected through I-shaped steel, and the second groove-shaped joint plate of the T-shaped wall section and the second fold-shaped end socket reinforcing steel bar of the adjacent T-shaped wall section are connected through I-shaped steel; in addition, the groove depth of the first groove-shaped joint plate and the groove depth of the second groove-shaped joint plate are both larger than the waist height of the I-shaped steel, namely, the first fold-line-shaped seal head reinforcing steel bar and the second fold-line-shaped seal head reinforcing steel bar are respectively connected with the first groove-shaped joint plate and the second groove-shaped joint plate in a socket joint mode, so that the permeation path of underground water is increased, the water stopping performance is improved, and the construction quality is guaranteed.
Furthermore, the second wall section is an L-shaped wall section, a third fold line-shaped seal head reinforcing steel bar and a third groove-shaped joint plate are arranged at one end, close to the first wall body, of the second wall section, and I-shaped steel bars are vertically arranged between the third fold line-shaped seal head reinforcing steel bar and the first groove-shaped joint plate of the adjacent first wall section, and between the third groove-shaped joint plate and the first fold line-shaped seal head reinforcing steel bar of the adjacent first wall section, so that the connection between the L-shaped wall section and the adjacent T-shaped wall section is realized, and one end of the first wall body is sealed; the groove depth of the third groove-shaped joint plate is larger than the waist height of the I-shaped steel, namely, the first fold line-shaped seal head reinforcing steel bar and the third fold line-shaped seal head reinforcing steel bar are respectively connected with the third groove-shaped joint plate and the first groove-shaped joint plate in a socket joint mode, so that the permeation path of underground water is increased, and the water stopping performance is improved.
Furthermore, the third wall section is an L-shaped wall section, one end of the third wall section, which is close to the first wall body, is provided with a fourth fold-line-shaped end socket steel bar and a fourth groove-shaped joint plate, and I-shaped steel is vertically arranged between the fourth fold-line-shaped end socket steel bar and the first groove-shaped joint plate of the adjacent first wall section, and between the fourth groove-shaped joint plate and the first fold-line-shaped end socket steel bar of the adjacent first wall section, so that the connection between the L-shaped wall section and the adjacent T-shaped wall section is realized, and the other end of the first wall body is sealed; the groove depth of the fourth groove-shaped joint plate is larger than the waist height of the I-shaped steel, namely, the first fold-line-shaped seal head reinforcing steel bar and the fourth fold-line-shaped seal head reinforcing steel bar are respectively connected with the fourth groove-shaped joint plate and the first groove-shaped joint plate in a socket joint mode, so that the permeation path of underground water is increased, and the water stopping performance is improved.
Furthermore, the first wall sections are Z-shaped wall sections, one ends of the first wall sections are respectively and vertically provided with a fifth groove-shaped joint plate and a fifth fold-line-shaped seal head reinforcing steel bar, and the other ends of the first wall sections are respectively and vertically provided with a sixth fold-line-shaped seal head reinforcing steel bar and a sixth groove-shaped joint plate; i-shaped steel is vertically arranged between the fifth groove-shaped joint plate of the first wall section and the sixth fold-shaped end socket steel bar of the adjacent first wall section, and between the sixth groove-shaped joint plate of the first wall section and the fifth fold-shaped end socket steel bar of the adjacent first wall section, so that the connection between the Z-shaped wall section and the adjacent Z-shaped wall section is realized; the groove depth of the fifth groove-shaped joint plate and the groove depth of the sixth groove-shaped joint plate are both greater than the waist height of the I-shaped steel; namely, the fifth fold-line-shaped end socket reinforcing steel bar and the sixth fold-line-shaped end socket reinforcing steel bar are respectively connected with the sixth groove-shaped joint plate and the fifth groove-shaped joint plate in a socket mode, so that the permeation path of underground water is increased, and the water stopping performance is improved.
Furthermore, the second wall section is an L-shaped wall section, a seventh fold-line-shaped end socket reinforcing steel bar and a seventh groove-shaped joint plate are arranged at one end, close to the first wall body, of the second wall section, and I-shaped steel bars are vertically arranged between the seventh fold-line-shaped end socket reinforcing steel bar and a fifth groove-shaped joint plate of the adjacent first wall section, and between the seventh groove-shaped joint plate and a fifth fold-line-shaped end socket reinforcing steel bar of the adjacent first wall section, so that the connection between the L-shaped wall section and the adjacent Z-shaped wall section is realized, and one end of the first wall body is sealed; the depth of the seventh groove-shaped joint plate is larger than the waist height of the I-shaped steel, namely, the fifth fold-line-shaped end socket reinforcing steel bar and the seventh fold-line-shaped end socket reinforcing steel bar are respectively connected with the seventh groove-shaped joint plate and the fifth groove-shaped joint plate in a socket mode, so that the permeation path of underground water is increased, and the water stopping performance is improved.
Furthermore, the third wall section is an L-shaped wall section, one end of the third wall section, which is close to the first wall body, is provided with an eighth fold-line-shaped end socket steel bar and an eighth groove-shaped joint plate, and I-shaped steel bars are vertically arranged between the eighth fold-line-shaped end socket steel bar and a sixth groove-shaped joint plate of the adjacent first wall section as well as between the eighth groove-shaped joint plate and a sixth fold-line-shaped end socket steel bar of the adjacent first wall section, so that the connection between the L-shaped wall section and the adjacent Z-shaped wall section is realized, and the other end of the first wall body is respectively connected; the groove depth of the eighth groove-shaped joint plate is larger than the waist height of the I-shaped steel, namely, the sixth fold-line-shaped end socket reinforcing steel bar and the eighth fold-line-shaped end socket reinforcing steel bar are respectively connected with the eighth groove-shaped joint plate and the sixth groove-shaped joint plate in a socket joint mode, so that the permeation path of underground water is increased, and the water stopping performance is improved.
Furthermore, the first wall section, the second wall section and the third wall section are all of reinforced concrete structures.
Drawings
FIG. 1 is a schematic structural view of an underground diaphragm wall structure;
FIG. 2 is another schematic structural view of an underground diaphragm wall structure;
the steel plate comprises 1, a first wall section, 2, a first groove-shaped joint plate, 3, a third fold-line-shaped end socket steel bar, 4, a second wall section, 5, a third groove-shaped joint plate, 6, a first fold-line-shaped end socket steel bar, 7, a second fold-line-shaped end socket steel bar, 8, a second groove-shaped joint plate, 9, a flexible waterproof layer, 10, a fourth groove-shaped joint plate, 11, a third wall section, 12, a fourth fold-line-shaped end socket steel bar, 13, I-steel, 14, a fifth groove-shaped joint plate, 15, a seventh fold-line-shaped end socket steel bar, 16, a seventh groove-shaped joint plate, 17, a fifth fold-line-shaped end socket steel bar, 18, a sixth groove-shaped joint plate, 19, an eighth groove-shaped joint plate, 20, a sixth fold-line-shaped end socket, 21 and an eighth fold-line-shaped end socket steel bar.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and various changes may be made apparent to those skilled in the art within the spirit and scope of the present invention as defined and defined by the appended claims.
As shown in fig. 1, the present solution provides an underground diaphragm wall structure, which includes:
the first wall body comprises a plurality of first wall sections 1, and a first joint is arranged between every two adjacent first wall sections 1;
the second wall section 4 is arranged at one end of the first wall body, and a second joint is arranged between the second wall section and the adjacent first wall section 1;
the third wall section 11 is arranged at one end of the first wall body far away from the second wall section 4, and a third joint is arranged between the third wall section and the adjacent first wall section 1;
the I-shaped steel 13 is vertically arranged at two sides of the first joint, the second joint and the third joint, the length of the I-shaped steel 13 is greater than the height of the first wall section 1, the height of the second wall section 4 and the height of the third wall section 11, and the bottom surface of the I-shaped steel is lower than the bottom surfaces of the first wall section 1, the second wall section 4 and the third wall section 11;
and the flexible waterproof layer 9 is vertically arranged in the middle of the first joint, the second joint and the third joint.
The flexible waterproof layer 9 covers the first joint, the second joint and the third joint and can deform along with the micro deformation of the first joint, the second joint and the third joint, so that the two adjacent wall sections are always tightly attached, and the connection between the wall sections is tighter; in addition, the flexible waterproof layer 9 plays a role in water blocking at the first joint, the second joint and the third joint; meanwhile, the flexible waterproof layer 9 prevents water from permeating upwards;
and because the first joint, the second joint and the third joint are completely covered by the flexible waterproof layer 9, even if mud is clamped at the first joint, the second joint or the third joint, the flexible waterproof layer 9 can avoid leakage caused by the construction defects; i-steel 13 plugs first seam and second seam and third seam in the both sides of first seam, second seam and third seam to play the effect of stagnant water.
In an embodiment of the utility model, the first wall section 1 is a T-shaped wall section, one end of the first wall sections 1 is vertically provided with a first groove-shaped joint plate 2 and a first dog-leg-shaped end socket steel bar 6, and the other end of the first wall sections 1 is vertically provided with a second dog-leg-shaped end socket steel bar 7 and a second groove-shaped joint plate 8; i-shaped steel 13 is vertically arranged between a first groove-shaped joint plate 2 of the first wall section 1 and a first fold-line-shaped seal head reinforcing steel bar 6 of the adjacent first wall section 1, between a second groove-shaped joint plate 8 of the first wall section 1 and a second fold-line-shaped seal head reinforcing steel bar 7 of the adjacent first wall section 1, and the groove depth of the first groove-shaped joint plate 2 and the groove depth of the second groove-shaped joint plate 8 are both greater than the waist height of the I-shaped steel 13.
The first groove-shaped joint plate 2 of the T-shaped wall section and the first fold-line-shaped seal head reinforcing steel bar 6 of the adjacent T-shaped wall section, and the second groove-shaped joint plate 8 of the T-shaped wall section and the second fold-line-shaped seal head reinforcing steel bar 7 of the adjacent T-shaped wall section are connected through I-shaped steel 13; in addition, the groove depth of the first groove-shaped joint plate 2 and the groove depth of the second groove-shaped joint plate 8 are both larger than the waist height of the I-shaped steel 13, namely, the first dog-leg-shaped end socket steel bar 6 and the second dog-leg-shaped end socket steel bar 7 are connected with the first groove-shaped joint plate 2 and the second groove-shaped joint plate 8 respectively in a socket joint mode, so that the permeation path of underground water is increased, the water stop performance is improved, and the construction quality is guaranteed.
When the scheme is implemented, the second wall section 4 is preferably an L-shaped wall section, one end, close to the first wall body, of the second wall section 4 is provided with a third linear seal head reinforcing steel bar 3 and a third groove-shaped joint plate 5, I-shaped steel 13 is vertically arranged between the third linear seal head reinforcing steel bar 3 and a first groove-shaped joint plate 2 of the adjacent first wall section 1, and between the third groove-shaped joint plate 5 and a first linear seal head reinforcing steel bar 6 of the adjacent first wall section 1, so that the connection between the L-shaped wall section and the adjacent T-shaped wall section is realized, and one end of the first wall body is sealed; the groove depth of the third groove-shaped joint plate 5 is greater than the waist height of the I-shaped steel 13, namely, the first fold line-shaped seal head reinforcing steel bar 6 and the third fold line-shaped seal head reinforcing steel bar 3 are respectively connected with the third groove-shaped joint plate 5 and the first groove-shaped joint plate 2 in a socket joint mode, so that the permeation path of underground water is increased, and the water stopping performance is improved.
During implementation, the third wall section 11 is preferably an L-shaped wall section, one end, close to the first wall, of the third wall section 11 is provided with a fourth fold-line-shaped end socket steel bar 12 and a fourth groove-shaped joint plate 10, and I-steel 13 is vertically arranged between the fourth fold-line-shaped end socket steel bar 12 and the first groove-shaped joint plate 2 of the adjacent first wall section 1, and between the fourth groove-shaped joint plate 10 and the first fold-line-shaped end socket steel bar 6 of the adjacent first wall section 1, so that the connection between the L-shaped wall section and the adjacent T-shaped wall section is realized, and the other end of the first wall is sealed; the groove depth of the fourth groove-shaped joint plate 10 is greater than the waist height of the I-shaped steel 13, namely, the first fold line-shaped seal head reinforcing steel bar 6 and the fourth fold line-shaped seal head reinforcing steel bar 12 are respectively connected with the fourth groove-shaped joint plate 10 and the first groove-shaped joint plate 2 in a socket joint mode, so that the permeation path of underground water is increased, and the water stopping performance is improved.
As shown in fig. 2, the first wall segment 1 is a Z-shaped wall segment, one end of each of the first wall segments 1 is vertically provided with a fifth groove-shaped joint plate 14 and a fifth polygonal head steel bar 17, and the other end of each of the first wall segments 1 is vertically provided with a sixth polygonal head steel bar 20 and a sixth groove-shaped joint plate 18; i-shaped steel 13 is vertically arranged between a fifth groove-shaped joint plate 14 of the first wall section 1 and a sixth fold-shaped end socket steel bar 20 of the adjacent first wall section 1, and between a sixth groove-shaped joint plate 18 of the first wall section 1 and a fifth fold-shaped end socket steel bar 17 of the adjacent first wall section 1, so that the connection between the Z-shaped wall section and the adjacent Z-shaped wall section is realized; the groove depth of the fifth groove-shaped joint plate 14 and the groove depth of the sixth groove-shaped joint plate 18 are both greater than the waist height of the I-shaped steel 13; namely, the fifth fold-line-shaped end socket reinforcing steel bar 17 and the sixth fold-line-shaped end socket reinforcing steel bar 20 are respectively connected with the sixth groove-shaped joint plate 18 and the fifth groove-shaped joint plate 14 in a socket mode, so that the permeation path of underground water is increased, and the water stopping performance is improved.
During design, the second wall section 4 is preferably an L-shaped wall section, one end, close to the first wall body, of the second wall section 4 is provided with a seventh fold-line-shaped end socket steel bar 15 and a seventh groove-shaped joint plate 16, I-shaped steel 13 is vertically arranged between the seventh fold-line-shaped end socket steel bar 15 and a fifth groove-shaped joint plate 14 of the adjacent first wall section 1, and between the seventh groove-shaped joint plate 16 and a fifth fold-line-shaped end socket steel bar 17 of the adjacent first wall section 1, so that the connection between the L-shaped wall section and the adjacent Z-shaped wall section is realized, and one end of the first wall body is sealed; the groove depth of the seventh groove-shaped joint plate 16 is greater than the waist height of the I-shaped steel 13, namely, the fifth fold-line-shaped end enclosure reinforcing steel bar 17 and the seventh fold-line-shaped end enclosure reinforcing steel bar 15 are respectively connected with the seventh groove-shaped joint plate 16 and the fifth groove-shaped joint plate 14 in a socket-and-spigot mode, so that the permeation path of underground water is increased, and the water-stopping performance is improved.
During design, the third wall section 11 is preferably an L-shaped wall section, one end, close to the first wall, of the third wall section 11 is provided with an eighth fold-line-shaped end socket steel bar 21 and an eighth groove-shaped joint plate 19, and I-shaped steel 13 is vertically arranged between the eighth fold-line-shaped end socket steel bar 21 and a sixth groove-shaped joint plate 18 of the adjacent first wall section 1, and between the eighth groove-shaped joint plate 19 and a sixth fold-line-shaped end socket steel bar 20 of the adjacent first wall section 1, so that the connection between the L-shaped wall section and the adjacent Z-shaped wall section is realized, and the other end of the first wall is respectively connected; the groove depth of the eighth groove-shaped joint plate 19 is greater than the waist height of the I-shaped steel 13, namely, the sixth fold-line-shaped end socket steel bar 20 and the eighth fold-line-shaped end socket steel bar 21 are respectively connected with the eighth groove-shaped joint plate 19 and the sixth groove-shaped joint plate 18 in a socket-and-spigot mode, so that the permeation path of underground water is increased, and the water stopping performance is improved.
In one embodiment of the present invention, the first wall section 1, the second wall section 4 and the third wall section 11 are all reinforced concrete structures.
The scheme also provides a construction method of the underground continuous wall, which comprises the following steps:
step M1: manufacturing a T-shaped steel reinforcement cage, wherein one end of the T-shaped steel reinforcement cage is vertically connected with a first groove-shaped joint plate 2 and a first fold-line-shaped end socket steel bar 6, and the other end of the T-shaped steel reinforcement cage is vertically connected with a second groove-shaped joint plate 8 and a second fold-line-shaped end socket steel bar 7; after grooving, putting the T-shaped reinforcement cage into the groove, and then pouring concrete;
step M2: manufacturing the T-shaped reinforcement cage again, placing the T-shaped reinforcement cage into the groove after grooving again, enabling the I-shaped steel 13 to be located on two sides of the first joint, and then pouring concrete;
step M3: filling the middle part of the first joint with a flexible waterproof material by using a grouting pipe, and forming a flexible waterproof layer 9 in the middle part of the first joint;
step M4: repeating the steps M2-M3 until the construction of the first groove section is finished; after the construction of the first groove section is finished, executing the step M5;
step M5: manufacturing an L-shaped reinforcement cage, vertically connecting a third fold line-shaped end socket reinforcement 3 and a third groove-shaped joint plate 5 to one end of the L-shaped reinforcement cage close to the first wall body, placing the L-shaped reinforcement cage into a groove after grooving, enabling I-shaped steel 13 to be located on two sides of a second joint, and then pouring concrete; then, filling the middle part of the second joint with a flexible waterproof material by using a grouting pipe, and forming a flexible waterproof layer 9 in the middle part of the second joint;
step M6: manufacturing an L-shaped reinforcement cage, vertically connecting a fourth fold-line-shaped end socket reinforcement 12 and a fourth groove-shaped joint plate 10 to one end, close to the first wall, of the L-shaped reinforcement cage, placing the L-shaped reinforcement cage into a groove after the groove is formed, enabling I-shaped steel 13 to be located on two sides of a third joint, and then pouring concrete; and then, filling the middle part of the third joint with a flexible waterproof material by using a grouting pipe, and forming a flexible waterproof layer 9 in the middle part of the third joint.
The scheme also provides another construction method of the underground continuous wall, which comprises the following steps:
step N1: manufacturing a Z-shaped reinforcement cage, wherein one end of the Z-shaped reinforcement cage is vertically connected with a fifth groove-shaped joint plate 14 and a fifth folded end socket reinforcement 17, and the other end of the Z-shaped reinforcement cage is vertically connected with a sixth groove-shaped joint plate 18 and a sixth folded end socket reinforcement 20; after grooving, putting the T-shaped reinforcement cage into the groove, and then pouring concrete;
and step N2: manufacturing the Z-shaped reinforcement cage again, placing the Z-shaped reinforcement cage into the groove after grooving again, enabling the I-shaped steel 13 to be located on two sides of the first joint, and then pouring concrete;
and step N3: filling the middle part of the first joint with a flexible waterproof material by using a grouting pipe, and forming a flexible waterproof layer 9 in the middle part of the first joint;
and step N4: repeating the steps N2-N3 until the construction of the first groove section is finished; after the first groove section is constructed, executing the step N5;
and step N5: manufacturing an L-shaped reinforcement cage, vertically connecting a seventh fold-line-shaped end socket reinforcement 15 and a seventh groove-shaped joint plate 16 to one end of the L-shaped reinforcement cage close to the first wall body, placing the L-shaped reinforcement cage into a groove after the groove is formed, enabling the I-shaped steel 13 to be located on two sides of the second joint, and then pouring concrete; then, filling the middle part of the second joint with a flexible waterproof material by using a grouting pipe, and forming a flexible waterproof layer 9 in the middle part of the second joint;
and step N6: manufacturing an L-shaped reinforcement cage, vertically connecting an eighth fold-line-shaped end socket reinforcement 21 and an eighth groove-shaped joint plate 19 to one end, close to the first wall, of the L-shaped reinforcement cage, placing the L-shaped reinforcement cage into a groove after the groove is formed, enabling the I-shaped steel 13 to be located on two sides of the third joint, and then pouring concrete; and then, filling the middle part of the third joint with a flexible waterproof material by using a grouting pipe, and forming a flexible waterproof layer 9 in the middle part of the third joint.
When in design, the flexible waterproof material is preferably flexible waterproof mortar, so that the construction is convenient.
Claims (8)
1. An underground diaphragm wall structure, comprising:
the first wall body comprises a plurality of first wall sections (1), and a first joint is arranged between every two adjacent first wall sections (1);
the second wall section (4) is arranged at one end of the first wall body, and a second joint is arranged between the second wall section and the adjacent first wall section (1);
the third wall section (11) is arranged at one end, far away from the second wall section (4), of the first wall body, and a third joint is arranged between the first wall section (1) adjacent to the third wall section;
the I-shaped steel (13) is vertically arranged on two sides of the first joint, the second joint and the third joint, and the length of the I-shaped steel is greater than the height of the first wall section (1), the height of the second wall section (4) and the height of the third wall section (11);
and the flexible waterproof layer (9) is vertically arranged in the middle of the first joint, the second joint and the third joint.
2. The underground continuous wall structure as claimed in claim 1, wherein the first wall sections (1) are T-shaped wall sections, one ends of a plurality of the first wall sections (1) are respectively and vertically provided with a first groove-shaped joint plate (2) and a first fold-shaped end socket steel bar (6), and the other ends of a plurality of the first wall sections (1) are respectively and vertically provided with a second fold-shaped end socket steel bar (7) and a second groove-shaped joint plate (8); between first recess type joint plate (2) of first wall section (1) and first dog-leg shaped head reinforcing bar (6) of rather than adjacent first wall section (1) between second recess type joint plate (8) of first wall section (1) and second dog-leg shaped head reinforcing bar (7) of rather than adjacent first wall section (1) equal vertical being provided with I-steel (13), the groove depth of first recess type joint plate (2) and the groove depth of second recess type joint plate (8) all are greater than the waist height of I-steel (13).
3. An underground continuous wall structure according to claim 2, wherein the second wall segment (4) is an L-shaped wall segment, one end of the second wall segment (4) close to the first wall body is provided with a third fold line-shaped seal head reinforcing steel bar (3) and a third groove-shaped joint plate (5), the I-shaped steel (13) is vertically arranged between the third fold line-shaped seal head reinforcing steel bar (3) and the first groove-shaped joint plate (2) of the adjacent first wall segment (1) and between the third groove-shaped joint plate (5) and the first fold line-shaped seal head reinforcing steel bar (6) of the adjacent first wall segment (1), and the groove depth of the third groove-shaped joint plate (5) is greater than the waist height of the I-shaped steel (13).
4. The underground continuous wall structure according to claim 3, wherein the third wall segment (11) is an L-shaped wall segment, one end of the third wall segment (11) close to the first wall body is provided with a fourth fold-line-shaped end socket steel bar (12) and a fourth groove-shaped joint plate (10), the I-shaped steel (13) is vertically arranged between the fourth fold-line-shaped end socket steel bar (12) and the first groove-shaped joint plate (2) of the adjacent first wall segment (1) and between the fourth groove-shaped joint plate (10) and the first fold-line-shaped end socket steel bar (6) of the adjacent first wall segment (1), and the groove depth of the fourth groove-shaped joint plate (10) is greater than the waist height of the I-shaped steel (13).
5. The underground continuous wall structure according to claim 1, wherein the first wall sections (1) are Z-shaped wall sections, one ends of a plurality of the first wall sections (1) are respectively and vertically provided with a fifth groove-shaped joint plate (14) and a fifth folding-shaped seal head reinforcing steel bar (17), and the other ends of a plurality of the first wall sections (1) are respectively and vertically provided with a sixth folding-shaped seal head reinforcing steel bar (20) and a sixth groove-shaped joint plate (18); between fifth recess type splice plate (14) of first wall section (1) and the sixth zigzag shape head reinforcing bar (20) of its adjacent first wall section (1), all vertically be provided with I-steel (13) between sixth recess type splice plate (18) of first wall section (1) and fifth zigzag shape head reinforcing bar (17) of its adjacent first wall section (1), the groove depth of fifth recess type splice plate (14) and the groove depth of sixth recess type splice plate (18) all are greater than the waist height of I-steel (13).
6. The underground continuous wall structure according to claim 5, wherein the second wall section (4) is an L-shaped wall section, one end of the second wall section (4) close to the first wall body is provided with a seventh fold-line-shaped end socket reinforcing steel bar (15) and a seventh groove-shaped joint plate (16), the seventh fold-line-shaped end socket reinforcing steel bar (15) and a fifth groove-shaped joint plate (14) of the adjacent first wall section (1) are vertically provided with the I-shaped steel (13), and the groove depth of the seventh groove-shaped joint plate (16) is greater than the waist height of the I-shaped steel (13).
7. The underground continuous wall structure according to claim 6, wherein the third wall section (11) is an L-shaped wall section, one end of the third wall section (11) close to the first wall body is provided with an eighth zigzag-shaped end socket reinforcing steel bar (21) and an eighth groove-shaped joint plate (19), the eighth zigzag-shaped end socket reinforcing steel bar (21) and a sixth groove-shaped joint plate (18) of the adjacent first wall section (1) as well as the eighth groove-shaped joint plate (19) and a sixth zigzag-shaped end socket reinforcing steel bar (20) of the adjacent first wall section (1) are vertically provided with the I-shaped steel (13), and the groove depth of the eighth groove-shaped joint plate (19) is greater than the waist height of the I-shaped steel (13).
8. An underground continuous wall structure according to claim 1, characterized in that the first wall section (1), the second wall section (4) and the third wall section (11) are all reinforced concrete structures.
Priority Applications (1)
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