CN214245324U - Rescue evacuation facility on assembled railway bridge - Google Patents
Rescue evacuation facility on assembled railway bridge Download PDFInfo
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- CN214245324U CN214245324U CN202022997182.8U CN202022997182U CN214245324U CN 214245324 U CN214245324 U CN 214245324U CN 202022997182 U CN202022997182 U CN 202022997182U CN 214245324 U CN214245324 U CN 214245324U
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Abstract
The utility model provides an evacuation facility of rescue on assembled railway bridge, including the basic body, stand and stair, the stand bottom is provided with the spliced pole, the internal connecting key one-to-one of preformed hole and basis, the stair setting is provided with the preformed hole in stand top and bottom of stairs both sides, the preformed hole one-to-one of shear key top free end and bottom of stairs, be provided with between basic body upper surface and the stand bottom and splice seam and the two and assemble through splicing seam and connecting key and be connected, be provided with between stand top and the bottom of stairs and splice seam and the two and assemble through splicing seam and shear key and be connected, be provided with the grout material in the preformed hole of the spliced pole of connecting key. The utility model has the advantages that the height of the upright post in the evacuation channel is high, the size is small, the upright post is prefabricated in factory, and the upright post is assembled by hoisting on site, so that the support is not required to be erected, and the safety is high; the stairs in the evacuation channel are of a continuous structure, the prefabricated stairs are adopted, hoisting and erection are carried out hole by hole, and the site construction time is obviously shortened.
Description
Technical Field
The utility model belongs to railway bridge equipment field especially relates to an evacuation facility of rescue on assembled railway bridge.
Background
Rescue evacuation facilities on railway bridges are important components of a railway disaster prevention rescue safety guarantee system, passengers can be rapidly evacuated when natural disasters such as earthquakes and fires occur or emergency situations occur on trains on the bridges, partial maintenance functions are considered, and in daily railway maintenance, workers can go up and down the bridges through the evacuation facilities and are generally provided with one place along the line direction for about 3 km.
The rescue evacuation facility on the railway bridge comprises a foundation, a stand column, a cross beam, a stair and the like, and the problems of difficult erection of a cast-in-place support template, poor concrete pouring quality, long construction period and the like exist in the existing cast-in-place construction; for some projects close to business lines or grade roads, the cast-in-place support has large construction risk and high foundation treatment cost; when the evacuation channel is high, the site cast-in-place support is large in building scale and poor in stability, and the defects of the existing construction method are large. Therefore, it is an urgent problem to develop a rescue and evacuation facility on an assembled railway bridge and a construction method thereof.
SUMMERY OF THE UTILITY MODEL
The to-be-solved problem of the utility model is to provide an evacuation facility of rescue on assembled railway bridge, especially be fit for solving the big poor stability of cast-in-place support scale, on-the-spot step deck formwork difficulty, the drawback that concrete placement quality of vibrating is uncontrollable.
In order to solve the technical problem, the utility model discloses a technical scheme is: an assembly type rescue evacuation facility on a railway bridge comprises a foundation body, a column and stairs, wherein the foundation body is of a cuboid structure, and a connecting key is vertically arranged in the foundation body, the free end of the top of the connecting key penetrates out of the upper surface of the foundation body, a connecting column is arranged at the bottom of the upright post, a plurality of preformed holes are arranged on the connecting column, the preformed holes correspond to the connecting key in the foundation body one by one, a shear key is arranged at the top of the upright post, and the free end of the top of the shear key penetrates out of the top surface of the upright post, the stair is provided with reserved holes in the top of the upright post and the two sides of the bottom of the stair, the free end of the top of the shear key is in one-to-one correspondence with the reserved holes in the bottom of the stair, a splicing seam is arranged between the upper surface of the foundation body and the bottom of the upright post, the splicing seam and the splicing seam are spliced with the connecting key through the splicing seam and connected with the connecting key, and grouting material is arranged in the reserved holes of the connecting post provided with the connecting key.
Furthermore, the tops of the upright columns positioned on one side of the bottom of the stair are provided with cross beams, shear keys are arranged on the tops of the cross beams, the free ends of the tops of the shear keys penetrate out of the top surfaces of the cross beams, and the upright columns are connected with the stair in an assembled mode through the cross beams.
Further, the foundation is internally provided with an anchoring steel plate, the bottom of the connecting key is fixedly connected with the anchoring steel plate, a plurality of anchoring reinforcing steel bars are arranged above the anchoring steel plate in the foundation, and the anchoring reinforcing steel bars are dispersedly arranged around the connecting key.
Further, the stand adopts single-section structure, and the spliced pole setting is in the bottom of the stand of single-section, and the spliced pole is equipped with the preformed hole around surpassing the stand body, and the preformed hole top of stand is equipped with pre-buried backing plate, and pre-buried backing plate top all is provided with installation backing plate and the two one-to-one, and the connecting key top free end passes pre-buried backing plate and installation backing plate to be fixed on the spliced pole, and pre-buried backing plate and installation backing plate upper portion are provided with the post-cast thick liquids.
Furthermore, the upright post adopts a multi-section structure, and the connecting posts are arranged at the top and the bottom of the multi-section upright post.
Further, the bottom of the shear key is provided with an anchoring end, the top of the shear key is provided with a fixed end 62, and the fixed end is arranged at the bottom of the stair.
Furthermore, the crossbeam is L type structure, and its inside shear key that is provided with, and the stair are the alternating expression structure, and its upper and lower extreme all links to each other with the crossbeam, and the crossbeam both ends are equipped with the preformed hole, and the concatenation seam is laid with the crossbeam horizontal region to the stair, and sets up caulking and sealant in the vertical region of stair and crossbeam, and the shear key penetrates in the preformed hole.
Furthermore, the stairs are sequentially and continuously arranged through the prefabricated stairs, gaps are formed in the gaps of the prefabricated stairs, and a sealant is arranged above each gap.
Furthermore, the connecting keys and the shear keys are all made of steel bars.
The method comprises the following steps:
paving splicing seams on the top surface of the foundation body, splicing the hoisting stand column and the foundation body through the splicing seams, penetrating the connecting keys into the preformed holes on the connecting columns, pouring grouting materials, constructing and installing a base plate, screwing nuts on the connecting keys, and filling and sealing the hand holes of the connecting keys through post-pouring slurry to complete splicing between the stand column and the foundation body;
when the stand columns adopt a plurality of sections, laying splicing seams on the stand columns of the lower section, assembling the stand columns of the upper section and the stand columns of the lower section through the splicing seams, penetrating the connecting keys into the reserved holes on the connecting columns, filling grouting materials, constructing and installing backing plates, screwing nuts on the connecting keys, filling and sealing the hand holes of the connecting keys through post-pouring slurry, and completing the assembling between the stand columns of the upper section and the stand columns of the lower section;
laying splicing seams at the tops of the vertical columns or the cross beams, hoisting the prefabricated staircase and assembling the vertical columns or the cross beams through the splicing seams, penetrating shear keys into reserved holes in the staircase, pouring grouting materials, constructing fixed ends, screwing nuts on the shear keys, and sealing the shear key hand holes through post-pouring slurry to complete the assembling between the staircase and the vertical columns;
and filling gaps between adjacent prefabricated stairs by caulking, and arranging sealant on the gaps.
The utility model has the advantages and positive effects that: by adopting the technical scheme, the height of the upright post in the evacuation channel is high, the size of the upright post is small, the upright post is prefabricated in a factory and is assembled by hoisting on site, a support does not need to be erected, and the safety is high; the stairs in the evacuation channel are of a continuous structure, prefabricated stairs are adopted, and the hole-by-hole hoisting and erection construction is carried out, so that the site construction time is obviously shortened; the prefabricated assembled ladder plate can fully exert the manufacturing advantages of a factory, overcomes the defects that the site ladder plate is difficult to support a formwork and the concrete pouring and vibrating quality is difficult to control, is high in site installation speed and low in labor requirement, reduces the site labor intensity, can adopt standardized components and moulds for stairs, has universality and can exert the advantages of industrial construction; for some projects close to business lines and high-grade roads, the assembly construction site has short operation time, small influence on the traffic of the existing railway and the roads and high safety.
Drawings
Fig. 1 is a schematic front view of the present invention;
fig. 2 is a schematic structural diagram of the foundation body of the present invention;
fig. 3 is a sectional view taken along line i-i of fig. 2;
FIG. 4 is a schematic view of the structure of the center pillar of the present invention;
FIG. 5 is a schematic view of the stair structure of the present invention;
FIG. 6 is a sectional view taken along line II-II of FIG. 5;
FIG. 7 is a schematic structural diagram of a second embodiment of the present invention;
fig. 8 is a schematic view of the connection between the second floor and the cross beam according to the embodiment of the present invention;
FIG. 9 is a schematic view of the key portion of the present invention;
fig. 10 is a schematic structural view of the splice seam portion of the present invention.
In the figure:
1. foundation body 2, upright post 21 and connecting column
22. Crossbeam 3, stair 4, connecting key
41. Anchoring steel plate 42, anchoring steel bar 43 and embedded backing plate
44. Mounting backing plate 5, splicing seam 51 and grouting material
52. Post-cast slurry 6, shear key 61 and anchoring end
62. Fixed end 7, preformed hole 8, joint filling
9. Sealing agent
Detailed Description
Example one
As shown in figures 1-6, the utility model relates to an assembly type rescue evacuation facility on railway bridge, which comprises a foundation body 1, a column 2 and a stair 3, wherein the foundation body 1 is of a cuboid structure, a connecting key 4 is vertically arranged in the foundation body 1, the free end of the top of the connecting key 4 penetrates out of the upper surface of the foundation body 1, the bottom of the column 2 is provided with a connecting column 21, the connecting column 21 is provided with a plurality of preformed holes 7, the preformed holes 7 are in one-to-one correspondence with the connecting keys 4 in the foundation body 1, the top of the column 2 is provided with a shear key 6, the free end of the top of the shear key 6 penetrates out of the top surface of the column 2, the stair 3 is arranged at the top of the column 2, both sides of the bottom of the stair 3 are provided with the preformed holes 7, the free end of the top of the shear key 6 is in one-to-one correspondence with the preformed holes 7 at the bottom of the stair 3, a splicing seam 5 is arranged between the upper surface of the foundation body 1 and the bottom of the column 2 and the two are connected with the connecting key 4 through the splicing seam 5, be provided with between 2 tops of stand and the stair 3 bottom and splice seam 5 and the two and assemble through splice seam 5 and shear key 6 and be connected, be provided with grout 51 in the preformed hole 7 of the spliced pole 21 of connecting key 4.
Further, the top of the upright post 2 positioned on one side of the bottom of the stair 3 is provided with a cross beam 22, the top of the cross beam 22 is provided with a shear key 6, the free end of the top of the shear key 6 penetrates out of the top surface of the cross beam 22, and the upright post 2 is connected with the stair 3 through the cross beam 22 in an assembling mode.
Further, set up anchor steel sheet 41 in the foundation body 1, connecting key 4 bottom and anchor steel sheet 41 fixed connection, in the foundation body 1 and be located anchor steel sheet 41 top and be equipped with a plurality of anchor reinforcing bars 42, anchor reinforcing bar 42 dispersion sets up around connecting key 4.
Further, stand 2 adopts the single section structure, and spliced pole 21 sets up the bottom at the stand 2 of single section, spliced pole 21 is equipped with preformed hole 7 in exceeding around the stand 2 body, the 7 tops in preformed hole of stand 2 are equipped with pre-buried backing plate 43, pre-buried backing plate 43 top all is provided with installation backing plate 44 and the two one-to-one, 4 top free ends of connector link pass pre-buried backing plate 43 and installation backing plate 44 and fix on spliced pole 21, pre-buried backing plate 43 and installation backing plate 44 upper portion are provided with post-cast thick liquids 52.
Further, the upright post 2 adopts a multi-section structure, and the connecting columns 21 are arranged at the top and the bottom of the multi-section upright post 2.
Further, the bottom of the shear key 6 is provided with an anchoring end 61, and the top of the shear key 6 is provided with a fixing end 62, and the fixing end 62 is arranged at the bottom of the stair 3.
Further, stair 3 sets up through a plurality of prefabricated stairs in proper order in succession, and is provided with joint filling 8 in each prefabricated stair clearance department, and each 8 tops of joint filling all are provided with sealant 9.
Furthermore, the connecting keys 4 and the shear keys 6 are both made of steel bars.
The method comprises the following steps:
paving a splicing seam 5 on the top surface of the foundation body 1, splicing the hoisting upright post 2 and the foundation body 1 through the splicing seam 5, penetrating the connecting key 4 into a preformed hole 7 on the connecting post 21, pouring grouting material 51, constructing a mounting base plate 44, screwing a nut on the connecting key 4, and filling and sealing a hand hole of the connecting key 4 through post-pouring slurry 52 to finish splicing between the upright post 2 and the foundation body 1;
when the upright post 2 adopts a plurality of sections, laying splicing joints 5 on the upright post 2 of the lower section, assembling the upright post 2 of the upper section and the upright post 2 of the lower section through the splicing joints 5, penetrating the connecting key 4 into the preformed hole 7 on the connecting post 21, pouring grouting material 51, constructing and installing a base plate 44, screwing a nut on the connecting key 4, and filling and sealing the hand hole of the connecting key 4 through post-pouring slurry 52 to complete the assembly between the upright post 2 of the upper section and the upright post 2 of the lower section;
paving a splicing seam 5 on the top of the upright post 2 or the cross beam 22 thereof, assembling the lifted prefabricated staircase 3 and the upright post 2 or the cross beam 22 through the splicing seam 5, penetrating the shear key 6 into a reserved hole 7 on the staircase, pouring grouting material 51, constructing a fixed end, screwing a nut on the shear key 6, and filling and sealing a hand hole of the shear key 6 through post-pouring material 52 to finish the assembling between the staircase 3 and the upright post 2;
the gaps of the adjacent prefabricated stairs 3 are filled by caulking 8, and a sealant 9 is arranged on the caulking.
Example two
As shown in fig. 7 or 8, the cross beam 22 is of an L-shaped structure, the shear keys 6 are arranged in the cross beam, the stairs 3 are of a staggered structure, the upper end and the lower end of each stair are connected with the cross beam 22, the two ends of the cross beam 22 are provided with reserved holes 7, splicing seams 5 are laid in horizontal regions of the stairs 3 and the cross beam 22, the vertical regions of the stairs 3 and the cross beam 22 are provided with caulking 8 and sealing agents 9, and the shear keys 6 penetrate into the reserved holes 7.
The above two embodiments of the present invention have been described in detail, but the above description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (9)
1. The utility model provides an on assembled railway bridge rescue evacuation facility which characterized in that: comprises a foundation body (1), a stand column (2) and a stair (3), wherein the foundation body (1) is of a cuboid structure, connecting keys (4) are vertically arranged in the foundation body (1), the free ends at the tops of the connecting keys (4) penetrate out of the upper surface of the foundation body (1), a connecting column (21) is arranged at the bottom of the stand column (2), a plurality of reserved holes (7) are formed in the connecting column (21), the reserved holes (7) are in one-to-one correspondence with the connecting keys (4) in the foundation body (1), shear keys (6) are arranged at the tops of the stand column (2), the free ends at the tops of the shear keys (6) penetrate out of the top surface of the stand column (2), the stair (3) are arranged at the tops of the stand column (2), the reserved holes (7) are formed in two sides of the bottom of the stair (3), the free ends at the tops of the shear keys (6) are in one-to-one correspondence with the reserved holes (7) at the bottom of the stair (3), the foundation body (1) upper surface with be provided with between stand (2) bottom and splice seam (5) and the two passes through splice seam (5) with connection key (4) are assembled and are connected, stand (2) top with be provided with between stair (3) the splice seam (5) and the two pass through splice seam (5) with shear key (6) are assembled and are connected, are provided with connection key (4) spliced pole (21) be provided with grout material (51) in preformed hole (7).
2. Rescue and evacuation facility on a fabricated railway bridge according to claim 1, characterized in that: be located stair (3) bottom one side stand (2) top all is provided with crossbeam (22), crossbeam (22) top is provided with shear key (6), just shear key (6) top free end is worn out crossbeam (22) top surface, just stand (2) pass through crossbeam (22) with stair (3) are assembled and are connected.
3. Rescue and evacuation facility on a fabricated railway bridge according to claim 1, characterized in that: set up anchor steel sheet (41) in the basic body (1), connecting key (4) bottom with anchor steel sheet (41) fixed connection, just be located in the basic body (1) anchor steel sheet (41) top is equipped with a plurality of anchor reinforcing bars (42), anchor reinforcing bar (42) dispersion sets up around connecting key (4).
4. Rescue and evacuation facility on a fabricated railway bridge according to claim 1, characterized in that: stand (2) adopt single section structure, just spliced pole (21) set up in single section the bottom of stand (2), spliced pole (21) are surpassing be equipped with around stand (2) body preformed hole (7), stand (2) preformed hole (7) top is equipped with pre-buried backing plate (43), pre-buried backing plate (43) top all is provided with installation backing plate (44) and the two one-to-one, connection key (4) top free end passes pre-buried backing plate (43) with installation backing plate (44) are fixed on spliced pole (21), pre-buried backing plate (43) with installation backing plate (44) upper portion is provided with post-cast thick liquids (52).
5. Rescue and evacuation facility on a fabricated railway bridge according to claim 1, characterized in that: the upright post (2) is of a multi-section structure, and the connecting columns (21) are arranged at the top and the bottom of the multi-section upright post (2).
6. Rescue and evacuation facility on a fabricated railway bridge according to claim 1 or 2, characterized in that: shear key (6) bottom is provided with anchor end (61), just shear key (6) top is provided with stiff end (62), stiff end (62) set up stair (3) bottom.
7. Rescue and evacuation facility on a fabricated railway bridge according to claim 2, characterized in that: the stairs (3) are sequentially and continuously arranged through a plurality of prefabricated stairs, joints (8) are arranged at the gaps of the prefabricated stairs, and a sealant (9) is arranged above each joint (8).
8. Rescue and evacuation facility on fabricated railway bridges according to claim 7, characterized in that: crossbeam (22) are L type structure, and its inside shear key (6) that is provided with, stair (3) are the alternating expression structure, its upper and lower extreme all with crossbeam (22) link to each other, crossbeam (22) both ends are equipped with preformed hole (7), stair (3) with crossbeam (22) horizontal region lays concatenation seam (5), and stair (3) with the vertical region of crossbeam (22) sets up caulking (8) with sealant (9), shear key (6) penetrate in preformed hole (7).
9. Rescue and evacuation facility on a fabricated railway bridge according to claim 1, characterized in that: the connecting keys (4) and the shear keys (6) are both made of steel bars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022997182.8U CN214245324U (en) | 2020-12-11 | 2020-12-11 | Rescue evacuation facility on assembled railway bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022997182.8U CN214245324U (en) | 2020-12-11 | 2020-12-11 | Rescue evacuation facility on assembled railway bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214245324U true CN214245324U (en) | 2021-09-21 |
Family
ID=77737985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022997182.8U Active CN214245324U (en) | 2020-12-11 | 2020-12-11 | Rescue evacuation facility on assembled railway bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214245324U (en) |
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2020
- 2020-12-11 CN CN202022997182.8U patent/CN214245324U/en active Active
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