CN220335810U - High-strength prestressed concrete sheet pile type retaining wall suitable for water transport engineering - Google Patents
High-strength prestressed concrete sheet pile type retaining wall suitable for water transport engineering Download PDFInfo
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- CN220335810U CN220335810U CN202321882900.4U CN202321882900U CN220335810U CN 220335810 U CN220335810 U CN 220335810U CN 202321882900 U CN202321882900 U CN 202321882900U CN 220335810 U CN220335810 U CN 220335810U
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- sheet pile
- retaining wall
- prestressed concrete
- pile
- wall suitable
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- 239000011513 prestressed concrete Substances 0.000 title claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 238000004642 transportation engineering Methods 0.000 title claims abstract description 27
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 37
- 239000010959 steel Substances 0.000 claims abstract description 37
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 10
- 239000004746 geotextile Substances 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 239000004568 cement Substances 0.000 claims abstract description 6
- 239000011083 cement mortar Substances 0.000 claims abstract description 6
- 239000000945 filler Substances 0.000 claims description 8
- 238000005119 centrifugation Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 15
- 238000004873 anchoring Methods 0.000 abstract description 7
- 238000001914 filtration Methods 0.000 abstract description 4
- 239000002002 slurry Substances 0.000 abstract description 3
- 239000004567 concrete Substances 0.000 description 8
- 239000002689 soil Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 230000002787 reinforcement Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000003405 preventing effect Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009439 industrial construction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The utility model discloses a high-strength prestressed concrete sheet pile retaining wall suitable for water transportation engineering. The adjacent sheet pile tenons are assembled to form a sealing groove, cement slurry and cement mortar are filled, geotextile reverse filtration is paved from the joint back along the pile top to the mud surface, three layers of reinforcing steel meshes are arranged at the top of the sheet pile, the pile head strength can be improved, a straight thread sleeve is embedded at the top of the sheet pile, after the pre-stressed steel rod of the pile body of the sheet pile passes through the embedded sleeve, a joint is upset in the sleeve, and anchoring reinforcing steel bars are screwed in after pile sinking is completed. The high-strength prestressed concrete sheet pile retaining wall suitable for the water transport engineering reduces the construction difficulty, improves the construction quality, can effectively increase the structural integrity, and can be widely applied to the water transport engineering.
Description
Technical Field
The utility model belongs to the technical field of civil engineering precast concrete structures, and particularly relates to a high-strength prestressed concrete sheet pile type retaining wall suitable for water transport engineering.
Background
Compared with the traditional structure, the high-strength prestressed concrete pile type retaining wall has the advantages of short construction period, high efficiency, small influence of human factors on prefabricated components, high construction quality, small square discarding amount and the like, has the outstanding characteristics of reduced component section, low carbon emission, good ecology and aesthetic property and the like, and is a structure with good demonstration benefits. Therefore, along with the actual requirements of industrial construction of civil engineering in China, the high-strength prestressed concrete sheet pile type retaining wall has wide application prospect in the civil engineering in China.
The core technology of the high-strength prestressed concrete sheet pile type retaining wall is the construction form of sheet piles. The construction mode directly influences the applicability, ultimate bearing capacity and the like of the structure. The existing concrete slab pile type structure of the water-borne engineering is mainly a non-prestressed slab pile, the pile body concrete strength is low, the concrete pile is mainly aimed at retaining buildings with supporting heights of 2-4 m, but the concrete pile type structure has the problems of insufficient applicability to wall heights of 4m and above, inconvenient construction and the like, and the prestressed concrete slab pile structure applied in the water-borne engineering does not meet the requirements of the water-borne engineering industry specifications. The popularization advantage of the high-strength prestressed concrete sheet pile type retaining wall in the water transportation engineering is not obvious.
How to combine the characteristics of water transport engineering, to the higher condition of soil retaining height, construct the strong prestressing force concrete sheet pile formula retaining wall system that the atress performance is good, the construction measure is reasonable, the suitability is strong, the construction is convenient, and the festival material is high-efficient, is the technical difficulty of assembled structure always.
Disclosure of Invention
The utility model aims to provide a high-strength prestressed concrete sheet pile type retaining wall suitable for water transport engineering.
The technical solution for realizing the purpose of the utility model is as follows: the high-strength prestressed concrete sheet pile type retaining wall suitable for water transportation engineering is formed by centrifugation, a centrifugal hole is reserved in the center of a sheet pile, stress steel bars comprise a plurality of prestressed steel bars, non-prestressed steel bars and stirrups, and for different retaining heights, the retaining wall height is determined by casting an upper structure; a plurality of straight thread sleeves are pre-buried at the top of the sheet pile in a circle, a plurality of prestressed steel bars of the pile body of the sheet pile respectively penetrate through the corresponding straight thread sleeves, upsetting is carried out in the straight thread sleeves through upsetting joints, and anchoring steel bars are screwed into the straight thread sleeves; the non-prestressed steel bars are arranged on two sides of the sheet pile, and the stirrups are arranged on the outer side of the sheet pile for one circle; three layers of reinforcing steel meshes are arranged at the top of the sheet pile; the sheet pile is characterized in that tenons and tenons are respectively arranged on two sides below the mud surface, two tenons are arranged on two sides above the mud surface, a sealing groove is formed after tenons and tenons of adjacent sheet piles are assembled, sealing groove filler is filled in the sealing groove, and geotextile reverse filtration is paved from the pile top to the mud surface at the joint of the assembled wall back.
Further, the diameter of the cross-section center centrifugal hole is larger than 0.65 times of the cross-section height H; meanwhile, the diameter of the centrifugal hole is set to ensure the thickness of the surrounding reinforcing steel bar protection layer.
Further, round steel with the brand number of 45 is adopted as the raw material of the straight thread sleeve, and the straight thread sleeve is in a seamless steel pipe structure.
Further, the wire width in the straight thread sleeve is 3mm, and the wire length is 20mm.
Further, the diameter of the upsetting head is not smaller than 20mm, and the upsetting thickness is not smaller than 10mm.
Further, the mesh size of the reinforcement bar is not greater than 40mm by 40mm.
Further, the tongue is 5mm higher than the depth of the tongue.
Further, the overlap joint width of the geotextile and the sheet piles at the two sides is not smaller than 100mm.
Further, the sealing groove filler adopts cement paste or cement mortar.
Compared with the prior art, the utility model has the remarkable advantages that:
(1) The sheet pile is a pretensioned prestressing rectangular hollow member, the aspect ratio (B/L) of the section is approximately equal to 2, the prestress and non-prestress mixed reinforcement is adopted, the strength grade of concrete is not less than C80, the sheet pile is formed through a centrifugal process, and the bearing capacity, the rigidity and the durability of the pile body are greatly improved. The pile type retaining wall has strong applicability and bearing capacity, can be suitable for the conditions of high retaining height and large external load, and can accurately form the retaining wall height through the cast-in-place upper structure.
(2) The standardized construction reduces the field construction difficulty, and the high-strength prestressed concrete slab piles are standard factory prefabricated parts, so that the field construction is convenient and efficient.
(3) Cement slurry and cement mortar are poured through the arrangement of tenons and mortises on two sides of the sheet piles, and a reverse filtering layer is paved on the back of the wall, so that the difficult problem of difficult soil leakage prevention of the sheet pile type revetment of the inland waterway is effectively solved.
(4) The connection between the steel bar of the plate pile and the anchoring steel bar is realized through the embedded straight thread sleeve, and the connection strength of the pile body and the upper structure is ensured.
(5) The pile top is provided with three layers of reinforcing steel meshes, so that the strength of the pile head can be effectively increased, and the integrity of the sheet pile in the installation process is ensured.
The utility model is described in further detail below with reference to the accompanying drawings.
Drawings
Fig. 1 is a block diagram of a high-strength prestressed concrete sheet pile type retaining wall suitable for water transport engineering according to the present utility model.
Fig. 2 is a construction diagram of a pile top of a high-strength prestressed concrete sheet pile type retaining wall suitable for water transport engineering according to the present utility model.
Fig. 3 is a construction view of the pile body above the mud surface of the high-strength prestressed concrete sheet pile type retaining wall, which is suitable for the water transportation engineering.
Fig. 4 is a construction view of a pile body below a mud surface of a high-strength prestressed concrete sheet pile type retaining wall, which is suitable for water transportation engineering.
Fig. 5 is a connection diagram of the pre-buried straight thread sleeve on the pile top, the pre-stressed steel bar and the anchoring steel bar.
Fig. 6 is a block diagram of tenons and mortises of a high strength prestressed concrete sheet pile suitable for use in water transportation engineering according to the present utility model.
Wherein the reference numerals: 1 is an anchoring steel bar; 2 is an embedded straight thread sleeve; 3 is a reinforcing steel mesh; 4 is a prestress steel bar; 5 is stirrup; 6 is a non-prestressed steel bar; 7 is a centrifugal hole; 8 is a tenon; 9 is a tenon; 10 is a seal groove filler; 11 is a wall back geotextile; 12 is a prestress steel bar pier head
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.
It should be noted that, in the embodiment of the present utility model, directional indications such as up, down, left, right, front, and rear … … are referred to, and the directional indication is merely used to explain the relative positional relationship, movement conditions, and the like between the components in a specific posture such as that shown in the drawings, and if the specific posture is changed, the directional indication is changed accordingly.
In one embodiment, a high-strength prestressed concrete sheet pile retaining wall suitable for water transportation engineering is provided, sheet piles are formed through centrifugation, a centrifugal hole 7 is reserved in the center, a stressed steel bar comprises a plurality of prestressed steel bars 4, non-prestressed steel bars 6 and stirrups 5, and the diameters and the arrangement of the steel bars can be adjusted by combining different external conditions; for different soil retaining heights, determining the height of the retaining wall through the cast-in-place upper structure; a plurality of straight thread sleeves 2 are pre-buried at the top of the sheet pile in a circle, a plurality of prestressed steel bars 4 of the pile body of the sheet pile respectively penetrate through the corresponding straight thread sleeves 2, upsetting is carried out in the straight thread sleeves 2 through a joint of a prestressed steel bar pier 12, and after pile sinking is finished, anchoring steel bars 1 are screwed in the straight thread sleeves 2; the non-prestressed steel bars 6 are arranged on two sides of the sheet pile, and the stirrups 5 are arranged on the outer side of the sheet pile for one circle; the top of the sheet pile is provided with three layers of reinforcing steel meshes 3; the sheet pile sets up tenon 9 and tenon 8 respectively in the both sides below the mud face, and the sheet pile sets up two tenons 8 in the both sides above the mud face, and the tenon 9 and the tenon 8 of adjacent sheet pile are assembled the back and are formed the seal groove, pack seal groove filler 10 in this seal groove, assemble seam part wall back along the pile bolck simultaneously and lay geotextile 11 to the mud face.
Here, in order to ensure the soil leakage preventing effect of the joint between the adjacent sheet piles, the utility model respectively arranges tenons and concave tenons below the mud surfaces on two sides of the sheet piles, and arranges two concave tenons above the mud surfaces on two sides of the sheet piles. The adjacent sheet pile tenons are assembled to form a sealing groove, cement slurry and cement mortar are filled, and meanwhile, geotextile reverse filtration is paved from the joint back of the wall along the pile top to the mud surface, so that the soil leakage preventing effect is good.
Here, in order to prevent the damage to the pile body during the installation of the high-strength prestressed concrete slab pile, the three layers of reinforcing steel meshes are arranged at the top, so that the pile top has high strength and strong shock resistance.
In order to ensure the connection strength of the sheet pile and the upper structure, the straight thread sleeve is pre-buried at the top of the sheet pile, the joint is upset in the sleeve after the pre-stress steel bar of the pile body of the sheet pile passes through the pre-buried sleeve, and the anchoring steel bar is screwed in after pile sinking is completed.
The sheet pile of the high-strength prestressed concrete sheet pile type retaining wall suitable for water transportation engineering is a pretensioned prestressed rectangular hollow member, the aspect ratio B/L of the section is approximately equal to 2, the width of the pile body at the retaining side is large, the effective retaining area of a single pile is large, and the economical efficiency is high. The prestress and non-prestress mixed reinforcement is adopted, the strength grade of the concrete is more than or equal to C80, the concrete is formed through a centrifugal process, and the bearing capacity, the rigidity and the durability of the pile body are greatly improved. The method is suitable for the retaining wall of the water transport engineering with high retaining height and large external load.
It is further preferred that in one of the embodiments the diameter of the cross-sectional central centrifugal hole 7 should be greater than 0.65 times the cross-sectional height H; meanwhile, the diameter of the centrifugal hole 7 is set to ensure the thickness of the surrounding reinforcement protection layer.
It is further preferable that in one embodiment, the straight threaded sleeve 2 is made of round steel with the trademark of 45 and is constructed of a seamless steel pipe.
Further preferably, in one of the embodiments, the thread width in the straight thread sleeve 2 is 3mm and the thread length is 20mm.
It is further preferred that in one of the embodiments, the diameter of the prestressed steel bar pier head 12 is not less than 20mm and the thickness of the pier thickness is not less than 10mm.
It is further preferred that in one of the embodiments, the mesh reinforcement pore size is no greater than 40mm x 40mm.
It is further preferred that in one of the embodiments the rebate 8 is 5mm higher than the depth of the tongue 9.
It is further preferred that in one of the embodiments, the geotextile 11 overlaps the two-sided sheet piles by a width of not less than 100mm.
Further preferably, in one of the embodiments, the seal groove filler 10 is cement paste or cement mortar or the like.
When the high-strength prestressed concrete sheet pile type retaining wall for the water transportation engineering disclosed by the utility model is applied to more general scenes, the pile top reinforcing scheme can be adjusted according to actual needs, the sealing groove filler can be replaced, different soil leakage preventing measures are adopted, and the diameters and thicknesses of the straight thread sleeve and the pier head can be properly adjusted. Therefore, if other technicians use retaining wall forms and embodiments similar to the technical scheme without departing from the spirit of the utility model, the retaining wall forms and embodiments are all the protection scope of the utility model.
Claims (9)
1. The utility model provides a high strength prestressed concrete sheet pile retaining wall suitable for water transport engineering, its characterized in that, sheet pile is through centrifugal shaping, and center reservation centrifugation hole (7), atress reinforcing bar include if intervene stress bar (4), non-prestressing bar (6) and stirrup (5), for different retaining heights, through casting the superstructure and confirm retaining wall height now; a plurality of straight thread sleeves (2) are pre-buried at the top of the sheet pile in a circle, a plurality of prestressed steel bars (4) of the pile body of the sheet pile respectively penetrate through the corresponding straight thread sleeves (2), upsetting is carried out in the straight thread sleeves (2) through a joint of a prestressed steel bar pier head (12), and the anchor steel bars (1) are screwed in the straight thread sleeves (2); the non-prestressed steel bars (6) are arranged on two sides of the sheet pile, and the stirrups (5) are arranged on the outer side of the sheet pile for one circle; the top of the sheet pile is provided with three layers of reinforcing steel meshes (3); sheet pile sets up tenon (9) and tenon (8) respectively in the both sides below the mud face, and the sheet pile sets up two tenons (8) in the both sides above the mud face, and the tenon (9) and the tenon (8) of adjacent sheet pile are assembled the back and are formed the seal groove, pack seal groove filler (10) in this seal groove, assemble seam crossing wall back along pile bolck to mud face simultaneously and lay geotextile (11).
2. The high-strength prestressed concrete sheet pile retaining wall suitable for water transport engineering according to claim 1, characterized in that the diameter of the section central centrifugal hole (7) should be larger than 0.65 times the section height H; meanwhile, the diameter of the centrifugal hole (7) is set to ensure the thickness of the surrounding reinforcing steel bar protection layer.
3. The high-strength prestressed concrete sheet pile type retaining wall suitable for water transportation engineering according to claim 1, wherein the straight threaded sleeve (2) is made of round steel with the brand number of 45 and is a seamless steel tube.
4. The high-strength prestressed concrete sheet pile retaining wall suitable for water transportation engineering according to claim 1, wherein the internal thread width of the straight thread sleeve (2) is 3mm and the thread length is 20mm.
5. The high-strength prestressed concrete sheet pile retaining wall suitable for water transportation engineering according to claim 1, wherein the diameter of the prestressed steel bar pier head (12) is not less than 20mm, and the thickness of the pier is not less than 10mm.
6. The high strength prestressed concrete sheet pile retaining wall suitable for use in water transportation engineering according to claim 1, wherein the mesh openings of the reinforcing bars are not larger than 40mm x 40mm.
7. A high strength prestressed concrete sheet pile retaining wall suitable for use in water works according to claim 1, wherein said rebate (8) is 5mm higher than the depth of the tongue (9).
8. The high-strength prestressed concrete sheet pile retaining wall suitable for water transportation engineering according to claim 1, wherein the overlap width of the geotextile (11) and the sheet piles at two sides is not less than 100mm.
9. The high-strength prestressed concrete sheet pile retaining wall suitable for water transportation engineering according to claim 1, wherein the sealing groove filler (10) adopts cement paste or cement mortar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321882900.4U CN220335810U (en) | 2023-07-17 | 2023-07-17 | High-strength prestressed concrete sheet pile type retaining wall suitable for water transport engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321882900.4U CN220335810U (en) | 2023-07-17 | 2023-07-17 | High-strength prestressed concrete sheet pile type retaining wall suitable for water transport engineering |
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| Publication Number | Publication Date |
|---|---|
| CN220335810U true CN220335810U (en) | 2024-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321882900.4U Active CN220335810U (en) | 2023-07-17 | 2023-07-17 | High-strength prestressed concrete sheet pile type retaining wall suitable for water transport engineering |
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| Country | Link |
|---|---|
| CN (1) | CN220335810U (en) |
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2023
- 2023-07-17 CN CN202321882900.4U patent/CN220335810U/en active Active
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