CN215252812U - End plate of prefabricated support pile - Google Patents
End plate of prefabricated support pile Download PDFInfo
- Publication number
- CN215252812U CN215252812U CN202121606781.0U CN202121606781U CN215252812U CN 215252812 U CN215252812 U CN 215252812U CN 202121606781 U CN202121606781 U CN 202121606781U CN 215252812 U CN215252812 U CN 215252812U
- Authority
- CN
- China
- Prior art keywords
- hole
- rib
- end plate
- sinking
- support pile
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The utility model discloses an end plate of a prefabricated support pile, which comprises a main body of a rectangular plate, wherein the main body comprises a first side part and a second side part; the first side part is provided with a plurality of first combined connecting holes, and the second side part is provided with a plurality of second combined connecting holes; the first combined connecting hole comprises a first screw tensioning hole, a first rib passing groove and a first rib sinking hole; the second combination connecting hole comprises a second rib passing groove and a second rib sinking hole, and one end, far away from the first side part, of the second rib passing groove penetrates through the second side part in the first direction. The utility model provides an among the technical scheme, according to actual prestressing force and the non-prestressing force arrangement of reinforcement condition design end plate reserve reinforcing bar hole quantity, the reinforcing bar is from reserving the hole propelling movement entering hole to utilize pier nose anchor prestressing tendons to accomplish the stretch-draw, steel reinforcement cage and end plate easily install like this.
Description
Technical Field
The utility model relates to a precast concrete pile technical field, in particular to end plate of prefabricated fender pile.
Background
At present, concrete precast piles are more and more commonly applied to engineering supporting projects, in order to meet the requirements of construction processes, precast piles with high rigidity, simple processes and low cost need to be manufactured, and therefore, the parameters of the precast supporting piles, such as size, shape, structure, reinforcing bars and the like need to be improved, so that the precast piles are convenient and easy to use. Wherein, some prefabricated fender piles set up the rectangle steel reinforcement cage, but have the difficult problem of installation of rectangle steel reinforcement cage and end plate.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's weak point, provide an end plate of prefabricated fender pile, aim at solving the difficult problem of installing of rectangle steel reinforcement cage and end plate.
The utility model provides an end plate of a prefabricated support pile, which comprises a main body of a rectangular plate, wherein the main body comprises a first side part and a second side part which are opposite in a first direction;
the first side part is provided with a plurality of first combined connecting holes which are arranged at intervals along a second direction in a penetrating way, the second side part is provided with a plurality of second combined connecting holes which are arranged at intervals along the second direction in a penetrating way, and the second direction is intersected with the first direction;
the first combined connecting hole comprises a first screw tensioning hole, a first rib passing groove and a first rib sinking hole, the first rib passing groove extends along the first direction, the first screw tensioning hole is communicated with one end, close to the second side portion, of the first rib passing groove, the first rib sinking hole is communicated with one end, far away from the second side portion, of the first rib passing groove, and the aperture of the first rib sinking hole is smaller than that of the first screw tensioning hole;
the second combined connecting hole comprises a second rib passing groove and a second rib sinking hole, the second rib passing groove extends along the first direction, the second rib sinking hole is communicated with one end, close to the first side portion, of the second rib passing groove, and one end, far away from the first side portion, of the second rib passing groove penetrates through the second side portion in the first direction.
Optionally, the main body includes two third side portions opposite to each other in the second direction, and each third side portion is provided with a plurality of third combined connecting holes arranged at intervals in the first direction;
the third combined connecting hole comprises a second screw tensioning hole, a third passing rib groove and a third sinking rib hole, the third passing rib groove extends along the first direction, the second screw tensioning hole is communicated with the third passing rib groove close to one end of the second side portion, the third sinking rib hole is communicated with the third passing rib groove far away from one end of the second side portion, and the aperture of the third sinking rib hole is smaller than that of the second screw tensioning hole.
Optionally, the third sinker hole is a semicircular hole.
Optionally, the main body is provided with a through hole, and the first combined connecting hole, the second combined connecting hole and the third combined connecting hole are circumferentially arranged on the periphery of the through hole.
Optionally, the perforations are rectangular holes.
Optionally, the number of the first combined connecting holes is equal to the number of the second combined connecting holes.
Optionally, the first sinker hole is a semicircular hole.
Optionally, the second sinker hole is a semicircular hole.
Optionally, the main bodies are symmetrically arranged in the second direction.
Optionally, the second direction is perpendicular to the first direction.
The utility model also provides a prefabricated fender pile, include as above prefabricated fender pile's end plate.
The utility model provides an among the technical scheme, according to actual prestressing force and the non-prestressing force arrangement of reinforcement condition design end plate reserve reinforcing bar hole quantity, the reinforcing bar is from reserving the hole propelling movement entering hole to utilize pier nose anchor prestressing tendons to accomplish the stretch-draw, steel reinforcement cage and end plate easily install like this.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural view of a prefabricated support pile provided by the present invention;
FIG. 2 is a schematic structural view of the pile body in FIG. 1;
FIG. 3 is a schematic view of the structure of FIG. 1 at the end plate;
fig. 4 is a partial structural view of the prefabricated support pile in fig. 1;
FIG. 5 is a schematic view of the structure of FIG. 4 at the first anchor pad;
FIG. 6 is a schematic view of the structure of FIG. 4 at a second anchor pad;
the reference numbers illustrate: the prefabricated support pile comprises a prefabricated support pile 100, a pile body 1, a compression side 11, a tension side 12, a first through hole 13, a second through hole 14, an embedded lifting hole 15, a reinforcement cage 2, a first main reinforcement 21a, a second main reinforcement 21b, a prestressed twisted steel 211, a steel strand 212, a third main reinforcement 21c, a fourth main reinforcement 21d, a hook rib 22, a spiral rib 23, an end plate 3, a first combined connecting hole 31, a first screw tensioning hole 311, a first rib passing groove 312, a first rib sinking hole 313, a second combined connecting hole 32, a second rib passing groove 321, a second rib sinking hole 322, a third combined connecting hole 33, a second screw tensioning hole 331, a third rib passing groove 332, a third rib sinking hole 333, a through hole 34, an anchor plate 4, a first anchor plate 4a, a second anchor plate 4b, a first pull anchor 5a and a second pull anchor 5 b.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a prefabricated fender pile, as shown in fig. 1 to 3, prefabricated fender pile 100 includes end plate 3.
As shown in fig. 1 and 3, in the present embodiment, the end plate 3 includes a main body that is a rectangular plate including a first side portion and a second side portion that are opposite in a first direction; the first side portion is provided with a plurality of first combination connection holes 31 arranged at intervals along a second direction, and the second side portion is provided with a plurality of second combination connection holes 32 arranged at intervals along the second direction, wherein the second direction intersects with the first direction (for example, in the present embodiment, the first direction and the second direction are respectively the length direction and the width direction of the rectangular plate); the first combined connecting hole 31 comprises a first screw tensioning hole 311, a first rib passing groove 312 and a first rib sinking hole 313, the first rib passing groove 312 extends along a first direction, the first screw tensioning hole 311 is communicated with one end, close to the second side portion, of the first rib passing groove 312, the first rib sinking hole 313 is communicated with one end, far away from the second side portion, of the first rib passing groove 312, and the aperture of the first rib sinking hole 313 is smaller than that of the first screw tensioning hole 311; the second combined connecting hole 32 includes a second rib passing groove 321 and a second rib sinking hole 322, the second rib passing groove 321 extends along the first direction, the second rib sinking hole 322 is communicated with one end of the second rib passing groove 321 close to the first side portion, and one end of the second rib passing groove 321 far away from the first side portion penetrates through the second side portion in the first direction.
Specifically, as shown in fig. 1 and 3, the end plate 3 is connected to the end face of the pile body 1 and one end corresponding to the reinforcement cage 2, a gourd-shaped hole for prestress tie-through and tension anchoring is formed in the end plate 3, the number of the reserved reinforcement holes of the end plate 3 is designed according to the actual prestress and non-prestress reinforcement distribution conditions, the reinforcement is pushed into the holes from the reserved holes, and the prestressed reinforcement is anchored by using a pier head to complete tension. The first sinker hole 313 and/or the second sinker hole 322 are semicircular holes.
Alternatively, in the present embodiment, the number of the first combination connection holes 31 is equal to the number of the second combination connection holes 32, for example, as shown in fig. 1 and fig. 3, the number of the first combination connection holes 31 and the number of the second combination connection holes 32 may be 5.
As shown in fig. 3, in the present embodiment, the end plate 3 includes two third side portions opposite to each other in the second direction, and each third side portion is provided with a plurality of third combined connecting holes 33 arranged at intervals in the first direction; the third combined connecting hole 33 comprises a second screw tensioning hole 331, a third rib passing groove 332 and a third rib sinking hole 333, the third rib passing groove 332 extends along the first direction, the second screw tensioning hole 331 is communicated with one end, close to the second side portion, of the third rib passing groove 332, the third rib sinking hole 333 is communicated with one end, far away from the second side portion, of the third rib passing groove 332, and the aperture of the third rib sinking hole 333 is smaller than that of the second screw tensioning hole 331. Wherein, the third sinker hole 333 is a semicircular hole.
Specifically, as shown in fig. 1 and 3, two third combined connection holes 33 are penetratingly provided at each third side, and the two third combined connection holes 33 correspond to the third main reinforcing bars 21c and the fourth main reinforcing bars 21d, respectively.
As shown in fig. 3, in the present embodiment, the end plate 3 is penetratingly provided with a through hole 34, and the first combination coupling hole 31, the second combination coupling hole 32, and the third combination coupling hole 33 are circumferentially arranged at the periphery of the through hole 34. The through hole 34 may be a rectangular hole, and the first through hole 13 and the second through hole 14 are located inside the through hole 34.
Alternatively, as shown in fig. 1 and 3, in the present embodiment, the end plates 3 are symmetrically arranged in the second direction.
As shown in fig. 1 to 3, the precast support pile 100 further includes a pile body 1, a reinforcement cage 2, and two anchor plates 4. As shown in fig. 2, the cross-sectional shape of pile shaft 1 is rectangular, the soil blocking side of pile shaft 1 is pressure side 11 and the opposite side is tension side 12, pressure side 11 and tension side 12 are opposite in the first direction, pile shaft 1 is axially penetratingly provided with first through hole 13 and second through hole 14, first through hole 13 and second through hole 14 are opposite in the first direction, first through hole 13 is close to pressure side 11 with respect to second through hole 14, and the distance from first through hole 13 to pressure side 11 is greater than the distance from second through hole 14 to tension side 12.
Specifically, the first direction is perpendicular to the axial direction of the pile body 1, for example, as shown in fig. 2, the first through hole 13 and the second through hole 14 are both circular holes, the size of the center of the first through hole 13 and the size of the pressure side 11 in the first direction are larger than the size of the center of the second through hole 14 and the size of the tension side 12 in the first direction, and the pile body 1 is provided with two asymmetric through holes, so that the consumption of concrete materials can be saved while the mechanical requirements are met, the self weight of the prefabricated support pile 100 is reduced, and the technical and economic indexes of the prefabricated support pile are improved. Wherein the aperture of the first through hole 13 and the aperture of the second through hole 14 are generally equal.
As shown in fig. 1 and 2, in the present embodiment, the pile body 1 has a first symmetry axis in the first direction, and the center of the first through hole 13 and the center of the second through hole 14 are both located on the first symmetry axis. That is, the center of the first through hole 13 is opposite to the center of the second through hole 14 in the first direction.
As shown in fig. 1 and 2, the reinforcement cage 2 is placed in the pile body 1 along the axial direction of the pile body 1; the number of reinforcing bars on the tension side 12 of the prefabricated support pile 100 is more than that of the reinforcing bars on the compression side 11 of the prefabricated support pile 100.
Specifically, the reinforcement cage 2 comprises a plurality of main reinforcements extending along the axial direction of the pile body 1; the main reinforcing steel bars comprise a plurality of first main reinforcing steel bars 21a and a plurality of second main reinforcing steel bars 21b, the first main reinforcing steel bars 21a are arranged on the compression side 11, the second main reinforcing steel bars 21b are arranged on the tension side 12, and the number of the first main reinforcing steel bars 21a is less than that of the second main reinforcing steel bars 21 b; the plurality of first main reinforcing steel bars 21a are arranged at intervals along the second direction, the plurality of second main reinforcing steel bars 21b are arranged at intervals along the second direction, main stressed reinforcing steel bars are intensively arranged on the tension side 12, and the reinforcing steel bars are arranged on the compression side 11 only according to the construction requirement, so that the reinforcement allocation amount of the prefabricated support pile 100 is effectively reduced, the bending strength of the right section of the prefabricated support pile 100 is fully utilized, and a better economic effect is achieved. And the second direction, the first direction and the axial direction of the pile body 1 are mutually vertical in pairs.
In this embodiment, the first main reinforcing bars 21a are tendons, and the plurality of second main reinforcing bars 21b include tendons and strands 212 equal in number to the first main reinforcing bars 21 a. The tension side 12 is provided with steel strands 212, and the steel strands 212 may be prestressed steel strands or non-prestressed steel strands, so that the horizontal shear resistance of the precast pile 100 can be enhanced.
For example, as shown in fig. 2, in the present embodiment, the first main reinforcement 21a is a prestressed twisted reinforcement 211, and the plurality of second main reinforcements 21b include a prestressed twisted reinforcement 211 and a steel strand 212; and, the number of prestressed twisted steel bars 211 among the plurality of second main bars 21b is equal to the number of first main bars 21 a.
Further, as shown in fig. 2, in the present embodiment, one steel strand 212 is disposed between any two adjacent prestressed twisted steel bars 211 in the plurality of second main steel bars 21 b.
As shown in fig. 2, in the present embodiment, the reinforcement cage 2 further includes a spiral bar 23, and the spiral bar 23 is wound around the peripheries of the plurality of main reinforcements.
As shown in fig. 2, in the present embodiment, shaft 1 is formed with first and second sides opposite in the second direction; the number of the main reinforcing steel bars close to the first side is equal to the number of the main reinforcing steel bars close to the second side.
Specifically, as shown in fig. 2, the first through hole 13 and the second through hole 14 are both located between the first main steel bar 21a and the second main steel bar 21b, the plurality of main steel bars includes two third main steel bars 21c, the two third main steel bars 21c are respectively disposed on two sides of the first through hole 13 in the second direction, and the two third main steel bars 21c are both located between the first main steel bar 21a and the first through hole 13; the two third main reinforcing bars 21c are connected by the hooking bar 22.
Similarly, as shown in fig. 2, the plurality of main reinforcing bars includes two fourth main reinforcing bars 21d, the two fourth main reinforcing bars 21d are respectively disposed on two sides of the second through hole 14 in the second direction, and the two fourth main reinforcing bars 21d are both located between the second main reinforcing bar 21b and the second through hole 14; the two fourth main reinforcing bars 21d are connected by the hooking bar 22.
As shown in fig. 1 and 4, in the present embodiment, two anchor plates 4 are respectively disposed on both sides of the pile body 1 in the first direction, and both anchor plates 4 face the side surface of the pile body 1 and are connected to the end plate 3.
Specifically, one of the two anchor plates 4 is a first anchor plate 4a close to the compression side 11, and the other is a second anchor plate 4b close to the tension side 12, and the first anchor plate 4a, the second anchor plate 4b and the end plate 3 are connected to form a whole, so that the damage of the end plate 3 caused by large prestress is reduced. Wherein, the first anchor plate 4a and the second anchor plate 4b can both be rectangular plates. And, the first anchor plate 4a and the second anchor plate 4b are both welded to the end plate 3.
In the present embodiment, the area of the second anchor plate 4b is larger than the area of the first anchor plate 4a, and specifically, as shown in fig. 4 to 6, in the present embodiment, the dimension of the second anchor plate 4b in the second direction is larger than the dimension of the first anchor plate 4a in the second direction. The length of the two anchor plates 4 is set, so that on one hand, materials are saved, and on the other hand, the requirements that the stress of the compression side 11 is different from that of the tension side 12 are met.
As shown in fig. 4 to 6, in the present embodiment, the first anchor plate 4a and the second anchor plate 4b have the same size in the axial direction of the pile body 1.
As shown in fig. 4, in the present embodiment, the first anchor plate 4a and the second anchor plate 4b have inner side faces that are close to each other; the prefabricated support pile 100 further comprises a first pull anchor 5a and a second pull anchor 5b, wherein the first pull anchor 5a and the second pull anchor 5b are arranged along a first direction; one end of the first pull anchor 5a is connected with the inner side surface of the first pull anchor 5a, one end of the second pull anchor 5b is connected with the inner side surface of the second anchor plate 4b, and one end of the second pull anchor 5b, which is far away from the second anchor plate 4b, is hooked with one end of the first pull anchor 5a, which is far away from the first pull anchor 5 a. The anchor is used for tying the anchor plate to improve the integrity and the strength, the end plate 3 and the anchor plate 4 are welded to form a whole, and the anchor plates 4 are connected through the anchor to improve the integrity.
As shown in fig. 4, in the present embodiment, the size of the second tie anchor 5b in the first direction is larger than the size of the first tie anchor 5a in the first direction. The different length of the anchor can form different stress of the anchor, the stress of the long anchor is larger, and the stress of the short anchor is smaller.
As shown in fig. 4, in the present embodiment, the pile body 1 is provided with an embedded lifting hole 15, and the embedded lifting hole 15 is located between the second anchor plate 4b and the first anchor plate 4 a. The pre-buried lifting holes 15 are arranged at two ends of the pile body 1 and used for lifting the prefabricated support pile 100, and belong to a reserved pore channel.
Specifically, as shown in fig. 4, in the present embodiment, the distance from the embedded lifting hole 15 to the second anchor plate 4b is greater than the distance from the embedded lifting hole 15 to the first anchor plate 4 a.
The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.
Claims (10)
1. An end plate of a precast support pile, comprising a main body which is a rectangular plate, the main body including a first side portion and a second side portion which are opposite in a first direction;
the first side part is provided with a plurality of first combined connecting holes which are arranged at intervals along a second direction in a penetrating way, the second side part is provided with a plurality of second combined connecting holes which are arranged at intervals along the second direction in a penetrating way, and the second direction is intersected with the first direction;
the first combined connecting hole comprises a first screw tensioning hole, a first rib passing groove and a first rib sinking hole, the first rib passing groove extends along the first direction, the first screw tensioning hole is communicated with one end, close to the second side portion, of the first rib passing groove, the first rib sinking hole is communicated with one end, far away from the second side portion, of the first rib passing groove, and the aperture of the first rib sinking hole is smaller than that of the first screw tensioning hole;
the second combined connecting hole comprises a second rib passing groove and a second rib sinking hole, the second rib passing groove extends along the first direction, the second rib sinking hole is communicated with one end, close to the first side portion, of the second rib passing groove, and one end, far away from the first side portion, of the second rib passing groove penetrates through the second side portion in the first direction.
2. A precast support pile end plate according to claim 1, wherein the main body includes two third side portions opposite to each other in the second direction, and each of the third side portions has a plurality of third combined connection holes formed therethrough at intervals in the first direction;
the third combined connecting hole comprises a second screw tensioning hole, a third passing rib groove and a third sinking rib hole, the third passing rib groove extends along the first direction, the second screw tensioning hole is communicated with the third passing rib groove close to one end of the second side portion, the third sinking rib hole is communicated with the third passing rib groove far away from one end of the second side portion, and the aperture of the third sinking rib hole is smaller than that of the second screw tensioning hole.
3. A prefabricated support pile end plate according to claim 2, wherein said third sinker hole is a semicircular hole.
4. An end plate of a prefabricated support pile according to claim 2, wherein the main body is provided with a penetration hole therethrough, and the first combined coupling hole, the second combined coupling hole and the third combined coupling hole are circumferentially arranged at the periphery of the penetration hole.
5. A precast post end plate according to claim 4, wherein the perforations are rectangular holes.
6. An end plate of a prefabricated support pile according to any one of claims 1 to 5, wherein the number of said first combined connecting holes is equal to the number of said second combined connecting holes.
7. An end plate of a prefabricated support pile according to any one of claims 1 to 5, wherein said first sinker hole is a semicircular hole.
8. An end plate of a prefabricated support pile according to any one of claims 1 to 5, wherein said second sinker hole is a semicircular hole.
9. An end plate of a prefabricated support pile according to any one of claims 1 to 5, characterised in that said body is symmetrically arranged in said second direction.
10. An end plate of a prefabricated support pile according to any one of claims 1 to 5, characterised in that said second direction is perpendicular to said first direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121606781.0U CN215252812U (en) | 2021-07-15 | 2021-07-15 | End plate of prefabricated support pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121606781.0U CN215252812U (en) | 2021-07-15 | 2021-07-15 | End plate of prefabricated support pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215252812U true CN215252812U (en) | 2021-12-21 |
Family
ID=79492294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121606781.0U Active CN215252812U (en) | 2021-07-15 | 2021-07-15 | End plate of prefabricated support pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215252812U (en) |
-
2021
- 2021-07-15 CN CN202121606781.0U patent/CN215252812U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101022853B1 (en) | Composite girder for constructing bridge | |
| KR101816767B1 (en) | Reinforced concrete reinforced concrete structure | |
| JP4634537B1 (en) | Bridge girder reinforcement structure | |
| KR101499337B1 (en) | Wide PC beam for slim floor | |
| CN215252812U (en) | End plate of prefabricated support pile | |
| CN215252813U (en) | Asymmetric reinforcement structure of prefabricated fender pile and prefabricated fender pile | |
| CN215888205U (en) | Prefabricated fender pile of asymmetric structure | |
| CN215252807U (en) | Asymmetric pile body structure of prefabricated fender pile and prefabricated fender pile | |
| CN215252814U (en) | End structure of prefabricated support pile and prefabricated support pile | |
| CN110392758A (en) | Inverted T-shaped section mixed type prestressed concrete beam and the panel construction method for utilizing it | |
| KR100728743B1 (en) | Corrugated steel plates concrete bridge | |
| CN102852279B (en) | A kind of prestressed reinforced concrete composite beam of convex-concave superposed surfaces | |
| CN113322940A (en) | Prefabricated fender pile of asymmetric structure | |
| CN209941674U (en) | Concrete uplift pile with bonding prestress | |
| KR100761758B1 (en) | Head cover for concrete pile and construction methodof foundation structure using that | |
| KR100819504B1 (en) | Connection methodbetween support structure and concrete composite structure using the fiber reinforced polymer | |
| CN209509311U (en) | A kind of rectangular opening girder construction | |
| CN209816864U (en) | Prestressed I-shaped supporting pile | |
| CN208329274U (en) | A kind of prestressing without bondn steel reinforced concrete wall | |
| KR101832291B1 (en) | Reinforced Concrete Composite Corrugated Steel Shear Reinforced Structures Combined with Fastening Members for Stiffness Improvement | |
| CN206418632U (en) | A kind of steel plate concrete shearing wall member with tie hoop | |
| CN210827436U (en) | Hollow precast pile and pile foundation | |
| CN212688927U (en) | Precast pile | |
| CN213508418U (en) | Underground continuous wall structure adopting unbonded prestressed steel strands | |
| CN216865514U (en) | Novel laminated slab and slab end connecting structure thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |