CN220241886U - Frame type Zhang Lazhi beam pedestal for prestressed concrete construction - Google Patents
Frame type Zhang Lazhi beam pedestal for prestressed concrete construction Download PDFInfo
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- CN220241886U CN220241886U CN202321091797.1U CN202321091797U CN220241886U CN 220241886 U CN220241886 U CN 220241886U CN 202321091797 U CN202321091797 U CN 202321091797U CN 220241886 U CN220241886 U CN 220241886U
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- pedestal
- steel beam
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 238000010276 construction Methods 0.000 title claims abstract description 16
- 239000011513 prestressed concrete Substances 0.000 title claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 71
- 239000010959 steel Substances 0.000 claims abstract description 71
- 239000004567 concrete Substances 0.000 claims abstract description 43
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 230000002787 reinforcement Effects 0.000 claims description 8
- 230000008030 elimination Effects 0.000 claims description 3
- 238000003379 elimination reaction Methods 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 25
- 210000002435 tendon Anatomy 0.000 abstract description 8
- 239000011178 precast concrete Substances 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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Abstract
The utility model provides a frame type Zhang Lazhi beam pedestal for prestressed concrete construction, which belongs to the technical field of bridge construction, and comprises two force transfer columns, an eliminating assembly and a connecting assembly, wherein the eliminating assembly is arranged between the two force transfer columns, and the connecting assembly comprises: the eliminating assembly comprises a concrete connecting beam, constraint steel bars, a movable steel beam, a fixed steel beam, fixed steel bars and a clamp, wherein the concrete connecting beam is arranged between two force transmission columns, the constraint steel bars are sleeved on the outer wall of the concrete connecting beam, and the fixed steel beam is arranged on the force transmission columns. The tension of the tensioning prestressed tendons is converted into internal force between the pedestal and the force transmission columns through the steel cross beams at the two ends of the force transmission column support pedestal, and the slenderness ratio of the concrete transmission columns is reduced through arranging the concrete connecting beams between the force transmission columns and the force transmission columns, so that the purpose of completely counteracting the tension of the tensioning prestressed tendons is achieved, an additional fixed foundation is not needed, the investment of the precast concrete beams is greatly saved, and the dismantling difficulty is reduced.
Description
Technical Field
The utility model belongs to the technical field of bridge construction, and particularly relates to a frame type Zhang Lazhi beam pedestal for prestressed concrete construction.
Background
The prestressed concrete is characterized in that a certain tensile stress is pre-applied in the concrete structure so as to offset the compressive stress generated by external load possibly applied to the concrete in the use process, and the tensile stress is formed in the concrete by embedding prestressed reinforcements in the concrete and utilizing the strength and the rigidity of the prestressed reinforcements so as to achieve the aim of controlling the cracking and the deformation of the concrete.
When a bridge with a length of tens of meters is encountered, the embedded depth and the size of the gravity foundation must be very large to resist sliding by the lateral soil pressure and the friction force of the bottom, the pile foundation is mainly affected by the field geology, the pile foundation must go deep into an underground bearing layer to provide a counterforce, and the prefabricated beam pedestal is not a bridge permanent structure, the same beam field is difficult to be reused, so the cost of the pedestal is reduced, and great help can be provided for optimizing the economic benefit of the whole engineering.
Disclosure of Invention
The utility model aims to provide a frame type Zhang Lazhi beam pedestal for prestressed concrete construction, which aims to solve the problems proposed by the background technology.
A frame type Zhang Lazhi beam pedestal for prestressed concrete construction comprises,
the two upright posts are arranged in total;
eliminate the subassembly, locate between two stands, wherein: the eliminating assembly comprises a concrete connecting beam, constraint steel bars, a movable steel beam, a fixed steel beam, fixed steel bars and a clamp, wherein the concrete connecting beam is arranged between two upright posts, the constraint steel bars are sleeved on the outer wall of the concrete connecting beam, the fixed steel beam is arranged on the upright posts, the movable steel beam is arranged on one side of the fixed steel beam, the fixed steel bars are arranged on the inner wall of the concrete connecting beam, the clamp is clamped at two ends of the movable steel beam, and the clamp is mutually matched with the fixed steel beam.
Further, the outer wall of the movable steel beam is fixedly provided with a cylinder, and the output end of the cylinder is attached to one side of the outer wall of the fixed steel beam.
Further, the outer wall bottom of stand is provided with the girder steel case.
Further, the bottom cover of fixed reinforcing bar is equipped with the reinforcement reinforcing bar ring.
Further, the tops of the outer walls of the two upright posts are filled with a gravel layer.
Further, the concrete anti-skid blocks are arranged on the outer wall of the upright post, the length and the width of the concrete anti-skid blocks are equal to the width of the upright post, the length is 0.8-2.5 m, and the distance along the direction of the upright post is 10-30 m.
Compared with the prior art, the utility model has the beneficial effects that:
in this scheme, through stand support pedestal both ends steel crossbeam, make the tension of stretch-draw prestressing tendons turn into the internal force between pedestal and the stand to through set up the concrete tie beam between stand and transmission stand, reduce the slenderness ratio of concrete transmission stand, thereby reach the mesh of canceling the tension of stretch-draw prestressing tendons inside completely, need not use extra fixed basis, very big saving precast concrete beam's input, and reduced the demolishment degree of difficulty.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a perspective view of the steel girder case of the present utility model;
fig. 3 is a perspective view of a fixed steel beam of the present utility model.
In the figure: 11. a column; 2. a concrete tie beam; 3. restraining the steel bars; 4. a movable steel beam; 5. fixing a steel beam; 6. fixing the reinforcing steel bars; 7. a crushed stone layer; 8. a cylinder; 9. a steel girder box; 10. reinforcing the steel bar ring; 401. and (5) clamping the fixture.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; the mechanical connection and the electrical connection can be adopted; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-3, the technical scheme provided by the present embodiment is as follows:
a frame type Zhang Lazhi beam pedestal for prestressed concrete construction comprises,
the upright posts 1 are provided with two in total;
elimination subassembly locates between two stand 1, wherein: the elimination subassembly includes concrete contact beam 2, restraint reinforcing bar 3, movable steel crossbeam 4, fixed steel crossbeam 5, fixed reinforcing bar 6 and fixture 401, concrete contact beam 2 locates between two stand 1, the outer wall department of concrete contact beam 2 is located to restraint reinforcing bar 3 cover, stand 1 is located to fixed steel crossbeam 5, one side department of fixed steel crossbeam 5 is located to movable steel crossbeam 4, the inner wall department of concrete contact beam 2 is located to fixed reinforcing bar 6, fixture 401 joint is in the both ends department of movable steel crossbeam 4, fixture 401 and fixed steel crossbeam 5 mutually match.
In the concrete embodiment of the utility model, two fixed steel beams 5 are respectively positioned at two ends of a pedestal and fixed in concrete transmission columns, the columns are arranged parallel to the precast beams, two ends of each transmission column are connected with the fixed steel beam 5, the concrete anti-slip block is a square cast concrete block, the concrete anti-slip block is positioned at the bottom of each transmission column and connected with each transmission column, the whole displacement of the pedestal is prevented, the concrete connecting beam is arranged between two adjacent transmission columns, the concrete connecting beam is perpendicular to each transmission column and connected with each transmission column, the movable steel beam 4 is positioned at one side of the pedestal, one end of each prestressed rib is fixed on the movable steel beam 4 when in use, the other end of each prestressed rib is fixed on the opposite fixed steel beam 5, the jack is arranged on the fixed steel beam 5 at one side of the movable steel beam 4 to prop up the movable steel beam 4 to provide tension for the prestressed rib, and the tension counterforce is transmitted to the transmission column through the fixed steel beam 5 and counteracted with the tension generated by the opposite prestressed rib.
Specifically, the outer wall of the movable steel beam 4 is fixedly provided with a cylinder 8, and the output end of the cylinder 8 is attached to one side of the outer wall of the fixed steel beam 5.
In the specific embodiment of the utility model, a cylinder 8 is used to generate torque.
Specifically, the outer wall bottom of stand 1 is provided with girder steel case 9.
In the specific embodiment of the present utility model, the degree of sedimentation can be ensured by the steel girder boxes 9.
Specifically, the bottom end of the fixed reinforcement 6 is sleeved with a reinforcing reinforcement ring 10.
In the embodiment of the present utility model, reinforcement of the fixed rebar 6 can be achieved by reinforcing the rebar ring 10.
Specifically, the tops of the outer walls of the two upright posts 1 are filled with a gravel layer 7.
In the embodiment of the present utility model, the crushed stone layer 7 can secure the life of the column 1.
Specifically, the concrete anti-slip block is arranged at the outer wall of the upright post 1, the length and the width of the concrete anti-slip block are equal to the width of the upright post 1, the length is 0.8-2.5 m, and the distance along the direction of the upright post is 10-30 m.
In the specific embodiment of the present utility model, the sliding of the column 1 can be avoided by means of concrete anti-sliding blocks.
The utility model provides a frame type Zhang Lazhi beam pedestal for prestressed concrete construction, which comprises the following working processes:
the two fixed steel beams 5 are respectively positioned at two ends of the pedestal and fixed in the concrete transmission upright posts, the upright posts are parallel to the precast beams, two ends of the transmission upright posts are connected with the fixed steel beams 5, the concrete anti-sliding block is a square concrete casting block, is positioned at the bottom of the transmission upright posts and connected with the transmission upright posts, the whole displacement of the pedestal is prevented, the concrete contact beams are arranged between the two adjacent transmission upright posts, are perpendicular to the transmission upright posts and connected with the transmission upright posts, the movable steel beams 4 are positioned at one side of the pedestal, one ends of the prestressed tendons are fixed on the movable steel beams 4 during use, the other ends of the prestressed tendons are fixed on the opposite fixed steel beams 5, the jacks are used for mounting the opposite movable steel beams 4 on the fixed steel beams 5 at the side of the movable steel beams, and tension force is provided for the prestressed tendons and is transmitted to the transmission upright posts through the fixed steel beams 5 and counteracted with the tension force generated by the opposite prestressed tendons.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. A frame type Zhang Lazhi beam pedestal for prestressed concrete construction is characterized by comprising,
the device comprises upright posts (1), wherein the two upright posts (1) are arranged in total;
the elimination subassembly is located between two stand (1), wherein: the eliminating assembly comprises a concrete contact beam (2), constraint steel bars (3), a movable steel beam (4), a fixed steel beam (5), fixed steel bars (6) and clamps (401), wherein the concrete contact beam (2) is arranged between two upright posts (1), the constraint steel bars (3) are sleeved on the outer wall of the concrete contact beam (2), the fixed steel beam (5) is arranged on the upright posts (1), the movable steel beam (4) is arranged on one side of the fixed steel beam (5), the fixed steel bars (6) are arranged on the inner wall of the concrete contact beam (2), the clamps (401) are clamped on the two ends of the movable steel beam (4), and the clamps (401) are mutually matched with the fixed steel beam (5).
2. The frame type Zhang Lazhi beam pedestal for prestressed concrete construction according to claim 1, wherein the outer wall of the movable steel beam (4) is fixedly provided with a cylinder (8), and the output end of the cylinder (8) is attached to one side of the outer wall of the fixed steel beam (5).
3. A framed Zhang Lazhi girder base for prestressed concrete construction according to claim 2, wherein the outer wall bottom of said upright (1) is provided with a girder box (9).
4. A frame type Zhang Lazhi beam base for prestressed concrete construction according to claim 3, wherein the bottom end of said fixed reinforcement (6) is provided with a reinforcing reinforcement ring (10).
5. A framed Zhang Lazhi girder base for prestressed concrete construction according to claim 4, wherein the tops of the outer walls of both said columns (1) are filled with crushed stone layers (7).
6. The frame type Zhang Lazhi beam pedestal for prestressed concrete construction of claim 5, wherein the concrete anti-slip blocks are arranged at the outer wall of the upright post (1), the length and the width of the concrete anti-slip blocks are equal to the width of the upright post (1), the length is 0.8-2.5 m, and the distance along the direction of the upright post is 10-30 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321091797.1U CN220241886U (en) | 2023-05-09 | 2023-05-09 | Frame type Zhang Lazhi beam pedestal for prestressed concrete construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321091797.1U CN220241886U (en) | 2023-05-09 | 2023-05-09 | Frame type Zhang Lazhi beam pedestal for prestressed concrete construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220241886U true CN220241886U (en) | 2023-12-26 |
Family
ID=89227278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321091797.1U Active CN220241886U (en) | 2023-05-09 | 2023-05-09 | Frame type Zhang Lazhi beam pedestal for prestressed concrete construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220241886U (en) |
-
2023
- 2023-05-09 CN CN202321091797.1U patent/CN220241886U/en active Active
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