CN211228113U - Simple and easy grounded prefabricated bridge floor auxiliary facility - Google Patents
Simple and easy grounded prefabricated bridge floor auxiliary facility Download PDFInfo
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- CN211228113U CN211228113U CN201921332514.1U CN201921332514U CN211228113U CN 211228113 U CN211228113 U CN 211228113U CN 201921332514 U CN201921332514 U CN 201921332514U CN 211228113 U CN211228113 U CN 211228113U
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- 229910000831 Steel Inorganic materials 0.000 claims description 69
- 239000010959 steel Substances 0.000 claims description 69
- 230000001681 protective effect Effects 0.000 claims description 54
- 210000003205 muscle Anatomy 0.000 claims description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 230000002787 reinforcement Effects 0.000 claims description 8
- 238000010276 construction Methods 0.000 abstract description 10
- 230000003014 reinforcing effect Effects 0.000 abstract description 7
- 238000004891 communication Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000004570 mortar (masonry) Substances 0.000 description 4
- 230000010354 integration Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000011440 grout Substances 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 238000007569 slipcasting Methods 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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Abstract
The utility model provides a prefabricated bridge floor subsidiary facility of simple and easy ground connection, includes protecting wall (1), erects wall (2), side wall (3), bottom plate (4) and pre-buried backing plate (5), protecting wall (1) with side wall (3) set up perpendicularly the both ends of bottom plate (4), it sets up perpendicularly to erect wall (2) the middle part of bottom plate (4), protecting wall (1), erect wall (2) with side wall (3) are parallel to each other, pre-buried backing plate (5) pre-buried in inside bottom plate (4), the inside vertical ground connection reinforcing bar that vertically sets up that is provided with in protecting wall (1) upper end, pre-buried backing plate (5) are connected vertical ground connection reinforcing bar. This supplementary facility of prefabricated bridge floor connects the decking ground connection through pre-buried backing plate, and the prefabricated panel is inside need not additionally set up the ground connection port between decking and the prefabricated supplementary facility, improves the efficiency of construction, has increased the integrality of prefabricated supplementary facility.
Description
Technical Field
The utility model relates to a public transport facility technical field, in particular to bridge floor subsidiary facility.
Background
The existing high-speed railway and passenger-cargo collinear bridge is generally embedded with reinforcing steel bars on flanges at two sides of a box girder and cast with a concrete protective wall in situ; the outermost side curtain plate is of a prefabricated structure, a rail and an acoustic barrier interface are embedded, reinforcing steel bars are connected with the bridge deck, and the curtain plate is connected with the bridge flange through a cast-in-place concrete vertical wall; the middle cable trough vertical wall divides the power trough and the communication signal trough, cast-in-place concrete is also adopted, and a waterproof layer and a concrete protective layer with certain thickness are required to be arranged at the exposed part of the bridge floor at the bottom of the trough body.
The structure and the construction mode have higher requirements on the site, meanwhile, the dead weight of the curtain board structure is very large, a large amount of manpower and templates need to be input, the curtain board structure is influenced by weather and human factors, the pouring construction quality is not easy to guarantee, the construction period is longer, and in addition, the cast-in-place construction also has influence on the environment along the line.
The existing prefabricated bridge deck auxiliary facility adopts an integral herringbone structure, the problems are solved, bolts or other connection modes can be directly adopted to be connected with bridge flange plates, the traditional embedded mounting seat is of a cylindrical structure, the strength of the traditional embedded mounting seat is not enough to support the prefabricated bridge deck auxiliary facility made of concrete, a large amount of embedded ground wires are required inside the prefabricated bridge deck auxiliary facility, the integration performance of the prefabricated bridge deck auxiliary facility is poor, the integrity of a steel-concrete structure is reduced, and the cracking possibility is increased.
There is a need for a simple, easy to ground, prefabricated bridge deck attachment that enhances the ease of use and longevity of the prefabricated bridge deck attachment by means of connectors that can integrate the grounding function with the decking connection function.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a through the connecting piece that can integrate ground connection function and decking connection function, realize the prefabricated bridge floor subsidiary facility of simple and easy ground connection.
The utility model provides a pair of simple and easy prefabricated bridge floor subsidiary facility of ground connection, including protecting wall, perpendicular wall, side wall, bottom plate and pre-buried backing plate, protecting wall and side wall set up perpendicularly at the both ends of bottom plate, erect the perpendicular middle part that sets up at the bottom plate of wall, protecting wall erects wall and side wall and is parallel to each other, and pre-buried backing plate is pre-buried inside the bottom plate, the inside vertical ground reinforcement that is provided with vertical setting in protecting wall upper end, vertical ground reinforcement is connected to pre-buried backing plate.
The protective wall mainly bears the horizontal collision force after the derailment of the train on the inner side, plays a role in stopping and guiding, and the side wall bears the horizontal and vertical loads of the railing or the sound barrier, the vertical wall bears the vertical load of the footway of the sidewalk, the transverse and vertical loads borne by the protective wall, the vertical wall and the side wall are transmitted to the bottom plate, and the transverse and vertical loads borne by the bottom plate are transmitted to the bridge flange plate below the structure through the connecting component. The embedded backing plate is arranged in the bottom plate and used as a connecting part of the grounding piece, the prefabricated accessory facility and the bridge deck.
A prefabricated bridge floor subsidiary facility of simple and easy ground connection, as preferred mode, pre-buried backing plate includes the water conservancy diversion muscle, guide plate and fixed muscle, the perpendicular face of guide plate is provided with the through-hole, the equal perpendicular through-hole axis setting of water conservancy diversion muscle and fixed muscle, the guide plate is connected to the water conservancy diversion muscle, fixed muscle welds in the guide plate face, fixed muscle length is greater than guide plate face length, the guide plate is pre-buried in prefabricated bridge floor subsidiary facility bottom plate inside and be provided with the through-hole that runs through the floor structure.
Through-hole assembly metal connecting piece on the guide plate, will prefabricate the bridge floor subsidiary facility and connect in decking, it is electrically conductive to pre-buried backing plate through each ground terminal and ground connection reinforcing bar simultaneously, through fixed muscle, the water conservancy diversion muscle is electrically conductive to the guide plate, through the guide plate with current direction metal connecting piece, through metal connecting piece with current direction decking, realize assembly and ground connection integration.
A prefabricated bridge floor subsidiary facility of simple and easy ground connection, as preferred mode, the protective wall is provided with continuous reinforcement in boundary wall and the bottom plate, through set up corresponding reinforcing bar in each component, has effectively improved the structural strength and the bearing capacity of the prefabricated bridge floor subsidiary facility of simple and easy ground connection to make the prefabricated bridge floor subsidiary facility of simple and easy ground connection have higher intensity and durability.
A prefabricated bridge floor subsidiary facility of simple and easy ground connection, as preferred mode, prefabricated bridge floor subsidiary facility is through pre-buried backing plate bolt in decking upper surface.
A prefabricated bridge floor subsidiary facility of simple and easy ground connection, as preferred mode, the fixed muscle of continuous steel bar connection.
A prefabricated bridge floor subsidiary facility of simple and easy ground connection, as preferred mode, the water conservancy diversion muscle is the L type, the ground terminal of vertical setting in guide plate and the protection wall is connected respectively at water conservancy diversion muscle both ends.
A prefabricated bridge floor subsidiary facility of simple and easy ground connection, as preferred mode, side wall top surface and bottom plate upper surface are provided with ground terminal, pre-buried backing plate is connected to ground terminal.
A prefabricated bridge floor subsidiary facility of simple and easy ground connection, as preferred mode, the inside ground connection reinforcing bar that is provided with closed circuit of protecting wall.
The closed loop is used for lightning protection, the step voltage is avoided, and a complete grounding system is formed.
A prefabricated bridge floor subsidiary facility of simple and easy ground connection, as preferred mode, the guide plate still includes thin wall steel pipe, and thin wall steel pipe includes horizontal steel pipe and vertical steel pipe, and horizontal steel pipe and vertical steel pipe L type are connected and the inside intercommunication of steel pipe, vertical steel pipe length more than or equal to guide plate height, horizontal steel pipe setting bottom surface under the guide plate.
The thin-wall steel pipe is as reserving the grout hole, and through thin-wall steel pipe slip casting, fill up inside through-hole during prefabricated template, the through-hole diameter is greater than metal mounting diameter, avoids the installation problem that the error leads to.
A prefabricated bridge floor subsidiary facility of simple and easy ground connection, as preferred mode, pre-buried backing plate sets up inside the inboard bottom plate of protective wall, pre-buried backing plate includes guide plate and fixed muscle, the guide plate vertical face is provided with the through-hole, the equal perpendicular through-hole axis of fixed muscle sets up, fixed muscle welds in the guide plate face, fixed muscle length is greater than guide plate face length, the guide plate is pre-buried in prefabricated bridge floor subsidiary facility bottom plate inside and be provided with the through-hole that runs through the floor structure.
The utility model provides a simple and easy prefabricated bridge floor subsidiary facility of ground connection has adopted protecting wall, has erected wall, side wall and the integrative prefabricated shaping of bottom plate, realizes modularization, standardization and batch production preparation, and the quality is pour to the assurance structure. The cast-in-place concrete construction on the bridge is not needed, and the problem of messy and poor construction site caused by the cast-in-place concrete construction on the bridge is avoided. Compared with the common concrete material prefabricated part, the active powder concrete material prefabricated part has the advantages that the material consumption is greatly reduced, the weight of the part is reduced, the site installation and construction can be conveniently carried out by constructors, and meanwhile, the transportation and installation cost can be effectively reduced.
The bottom plate is pre-buried with pre-buried backing plate, connects ground terminal through pre-buried backing plate, and ground reinforcement forms the complete ground system on the prefabricated affiliated facilities, connects pre-buried backing plate through-hole and decking through the assembly part, and the current conduction is to the decking position, realizes the integration of assembly and ground connection.
The utility model has the advantages as follows:
(1) the collection of the grounding wires is realized by embedding the backing plates, so that the grounding mode in the prefabricated accessory facilities is simplified, and the installation is convenient;
(2) the embedded base plate is connected with the bridge deck plate to be grounded, and a grounding port between the bridge deck plate and the prefabricated accessory facility does not need to be additionally arranged in the prefabricated deck plate, so that the construction efficiency is improved, and the integrity of the prefabricated accessory facility is improved;
(3) set up the thin wall steel pipe and regard as reserving the grout hole, through thin wall steel pipe slip casting during prefabricated template, fill up inside through-hole, the through-hole diameter is greater than metal mounting diameter, avoids the installation problem that the error leads to.
Drawings
FIG. 1 is a schematic side view of an embodiment 1 of a simple grounded prefabricated deck attachment;
FIG. 2 is a schematic side view of an embodiment 2 of a simple grounded prefabricated deck attachment;
FIG. 3 is a schematic side view of a simply grounded pre-buried backing plate at the inner side of a protective wall of an auxiliary facility of a precast bridge deck;
FIG. 4 is a schematic top view of a simply grounded pre-buried backing plate inside a protective wall of an auxiliary facility of a precast bridge deck;
FIG. 5 is a schematic side view of a simply grounded pre-buried backing plate at the inner side of a side wall of a prefabricated bridge deck auxiliary facility;
FIG. 6 is a schematic top view of the simply grounded pre-buried backing plate inside the side wall of the prefabricated bridge deck attachment facility.
Reference numerals:
1. a protective wall; 2. erecting a wall; 3. a side wall; 4. a base plate; 5. pre-burying a base plate; 51. a baffle; 52. a flow guiding rib; 53. fixing the ribs; 54. a thin-walled steel pipe; 6. and a ground terminal.
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.
Example 1
As shown in figure 1, the simple and easy prefabricated bridge floor subsidiary facility of ground connection, including protecting wall 1, erect wall 2, side wall 3, bottom plate 4 and pre-buried backing plate 5, protecting wall 1 and side wall 3 set up the both ends at bottom plate 4 perpendicularly, erect wall 2 and set up at the middle part of bottom plate 4 perpendicularly, protecting wall 1, erect wall 2 and side wall 3 and be parallel to each other, pre-buried backing plate 5 is pre-buried inside bottom plate 4, the inside vertical ground connection reinforcing bar that vertically sets up that is provided with in protecting wall 1 upper end, vertical ground connection reinforcing bar is connected to pre-buried backing plate 5. The top surface of the side wall 3 and the upper surface of the bottom plate are provided with grounding terminals 6, and the grounding terminals 6 are connected with the embedded backing plates 5. Continuous steel bars are arranged in the protective wall 1, the side walls 3 and the bottom plate 4. The prefabricated bridge deck auxiliary facilities are bolted to the upper surface of the bridge deck through the embedded backing plates 5.
As shown in fig. 3 to 4, the embedded backing plate 5 is arranged inside the bottom plate 4 on the inner side of the protective wall 1, the embedded backing plate 5 comprises a flow guide rib 52, a flow guide plate 51 and a fixing rib 53, a through hole is formed in the vertical plate surface of the flow guide plate 51, the flow guide rib 52 and the fixing rib 53 are arranged perpendicular to the axis of the through hole, the flow guide rib 52 is connected with the flow guide plate 51, the fixing rib 53 is welded on the plate surface of the flow guide plate 51, the length of the fixing rib 53 is greater than that of the plate surface of the flow guide plate 51, and the flow guide plate 51. The diversion rib 52 is L-shaped, and two ends of the diversion rib 52 are respectively connected with the diversion plate 51 and the grounding terminal 6 vertically arranged in the protection wall 1. The guide plate 51 further comprises a thin-wall steel pipe 54, the thin-wall steel pipe 54 comprises a transverse steel pipe and a vertical steel pipe, the transverse steel pipe is connected with the vertical steel pipe in an L shape, the interior of the steel pipe is communicated, the length of the vertical steel pipe is larger than or equal to the height of the guide plate 51, and the transverse steel pipe is arranged on the lower bottom surface of the guide plate 51.
As shown in fig. 5 to 6, the embedded backing plate 5 is arranged inside the bottom plate 4 on the inner side of the side wall 3, the embedded backing plate 5 comprises a guide plate 51 and a fixing rib 53, a through hole is formed in the vertical plate surface of the guide plate 51, the fixing rib 53 is arranged in the axis of the vertical through hole, the fixing rib 53 is welded on the plate surface of the guide plate 51, the length of the fixing rib 53 is greater than that of the plate surface of the guide plate 51, and the guide plate 51 is embedded inside the bottom plate 4 of the prefabricated bridge deck auxiliary facility and is. The guide plate 51 further comprises a thin-wall steel pipe 54, the thin-wall steel pipe 54 comprises a transverse steel pipe and a vertical steel pipe, the transverse steel pipe is connected with the vertical steel pipe in an L shape, the interior of the steel pipe is communicated, the length of the vertical steel pipe is larger than or equal to the height of the guide plate 51, and the transverse steel pipe is arranged on the lower bottom surface of the guide plate 51.
The continuous reinforcement bar is connected to the fixing bar 53.
Protective wall 1 erects wall 2, and side wall 3 is "mountain" font in proper order and sets up on bottom plate 4, and protective wall 1 and side wall 3 set up respectively in bottom plate 4 both ends, and perpendicular wall 2 sets up between protective wall 1 and side wall 3. The vertical wall 2 is positioned in the middle of the bottom plate 4 to separate a power slot and a communication signal slot. The position of the vertical wall 2 in the prefabricated bridge deck auxiliary facility which is simply grounded is adjusted, so that the space function requirements of the actual cable grooves of each specialty of power supply, communication and signals can be adjusted. Two sides of the protective wall 1 are respectively provided with a vertical groove for pouring mortar. Mortar is poured into the groove, and the groove and the adjacent protective wall are connected in a longitudinal shearing mode. The lower parts of the protective wall 1 and the side wall 3 are respectively provided with a widened platform for preventing pedestrian footpath boards, and the widened platform is as high as the vertical wall 2. The width of the widened platform is 50 cm. The protective wall 1, the vertical wall 2, the side wall 3 and the bottom plate 4 are integrally prefabricated and formed by reactive powder concrete, and steel fibers are uniformly embedded in the protective wall 1, the vertical wall 2, the side wall 3 and the bottom plate 4. It should be noted that, the simple grounded prefabricated bridge deck auxiliary facility shown in fig. 1 has only one vertical wall 2, but the specific number is not limited thereto, and two or more vertical walls 2 may be provided according to the actual use requirement and the length of the bottom plate 4, and the prefabricated units are separated by a specified interval and assembled on site to form a continuous complete bridge baffle system.
The thickness of the protective wall 1 is less than or equal to 120mm, the thickness of the vertical wall 2 is less than or equal to 60mm, and the thickness of the side wall 3 is less than or equal to 100 mm. Protective wall 1, erect wall 2, boundary wall 3 and 4 handing-over departments of bottom plate are equipped with round chamfer, are the circular arc at protective wall 1, erect wall 2, boundary wall 3 and 4 handing-over departments of bottom plate promptly and connect, can avoid producing stress concentration in handing-over department like this to the life of the prefabricated bridge floor subsidiary facility of simple and easy ground connection has been improved.
Optionally, the thickness of the protective wall 1 is less than or equal to 250mm, the thickness of the vertical wall 2 is less than or equal to 100mm, the thickness of the side wall 3 is less than or equal to 350mm, and the thickness of the bottom plate 4 is less than or equal to 200 mm. The length of the simply grounded prefabricated bridge deck auxiliary facility unit is more than or equal to 500mm and less than or equal to 2000 mm.
The protective wall 1 and the bottom plate 2 are of thickness gradual change structures, the inclination angle of the inner side surface of the protective wall 1 is larger than 0 degree and smaller than or equal to 10 degrees, the inclination angle of the top surface of the bottom plate 2 is larger than 0 degree and smaller than or equal to 5 degrees, and the bottom surface 4 is provided with one side of the protective wall 1 which is higher than the side wall 3 on the bottom surface. Therefore, the use strength of the member can be ensured, and the use amount of the active powder concrete can be reduced, so that the production and manufacturing cost of the simple and easy-grounded prefabricated bridge deck auxiliary facility is reduced.
Optionally, the protection wall 1 and the bottom plate 4 are of uniform thickness structure, i.e. the inclination angle of the side surface of the protection wall 1 is equal to 0 degree, and the inclination angle of the top surface of the upright post 2 is equal to 0 degree.
The inside pre-buried drain pipe of protective wall 1, vertical wall 2 and bottom plate 4 converges the rainwater to the inboard bridge floor drain pipe of protective wall.
The utility model provides a transmission process of load that simple and easy ground connection's prefabricated bridge floor subsidiary facility bore in work is specifically explained below with the attached drawing:
horizontal, vertical load that protective wall 1, vertical wall 2, side wall 3 will bear is given for bottom plate 4, and horizontal, vertical load that bottom plate 4 will bear is given for bridge major structure.
Example 2
As shown in figure 2, the auxiliary facilities for the simple and easy grounded prefabricated bridge deck comprises a protective wall 1, a vertical wall 2, a side wall 3, a bottom plate 4 and a pre-embedded base plate 5, wherein the protective wall 1 and the side wall 3 are vertically arranged at two ends of the bottom plate 4, the vertical wall 2 is vertically arranged at the middle part of the bottom plate 4, the protective wall 1, the vertical wall 2 and the side wall 3 are parallel to each other, the pre-embedded base plate 5 is pre-embedded inside the bottom plate 4, the vertical grounding steel bars which are longitudinally arranged are arranged inside the upper end of the protective wall 1, and the pre-embedded base plate 5 is connected with the vertical. Continuous steel bars are arranged in the protective wall 1, the side walls 3 and the bottom plate 4. The prefabricated bridge deck auxiliary facilities are bolted to the upper surface of the bridge deck through the embedded backing plates 5. And a grounding steel bar of a closed loop is arranged inside the protective wall 1.
As shown in fig. 3 to 4, the embedded backing plate 5 is arranged inside the bottom plate 4 on the inner side of the protective wall 1, the embedded backing plate 5 comprises a flow guide rib 52, a flow guide plate 51 and a fixing rib 53, a through hole is formed in the vertical plate surface of the flow guide plate 51, the flow guide rib 52 and the fixing rib 53 are arranged perpendicular to the axis of the through hole, the flow guide rib 52 is connected with the flow guide plate 51, the fixing rib 53 is welded on the plate surface of the flow guide plate 51, the length of the fixing rib 53 is greater than that of the plate surface of the flow guide plate 51, and the flow guide plate 51. The diversion rib 52 is L-shaped, and two ends of the diversion rib 52 are respectively connected with the diversion plate 51 and the grounding terminal 6 vertically arranged in the protection wall 1. The guide plate 51 further comprises a thin-wall steel pipe 54, the thin-wall steel pipe 54 comprises a transverse steel pipe and a vertical steel pipe, the transverse steel pipe is connected with the vertical steel pipe in an L shape, the interior of the steel pipe is communicated, the length of the vertical steel pipe is larger than or equal to the height of the guide plate 51, and the transverse steel pipe is arranged on the lower bottom surface of the guide plate 51.
As shown in fig. 5 to 6, the embedded backing plate 5 is arranged inside the bottom plate 4 on the inner side of the side wall 3, the embedded backing plate 5 comprises a guide plate 51 and a fixing rib 53, a through hole is formed in the vertical plate surface of the guide plate 51, the fixing rib 53 is arranged in the axis of the vertical through hole, the fixing rib 53 is welded on the plate surface of the guide plate 51, the length of the fixing rib 53 is greater than that of the plate surface of the guide plate 51, and the guide plate 51 is embedded inside the bottom plate 4 of the prefabricated bridge deck auxiliary facility and is. The guide plate 51 further comprises a thin-wall steel pipe 54, the thin-wall steel pipe 54 comprises a transverse steel pipe and a vertical steel pipe, the transverse steel pipe is connected with the vertical steel pipe in an L shape, the interior of the steel pipe is communicated, the length of the vertical steel pipe is larger than or equal to the height of the guide plate 51, and the transverse steel pipe is arranged on the lower bottom surface of the guide plate 51.
The continuous reinforcement bar is connected to the fixing bar 53.
Protective wall 1 erects wall 2, and side wall 3 is "mountain" font in proper order and sets up on bottom plate 4, and protective wall 1 and side wall 3 set up respectively in bottom plate 4 both ends, and perpendicular wall 2 sets up between protective wall 1 and side wall 3. The vertical wall 2 is positioned in the middle of the bottom plate 4 to separate a power slot and a communication signal slot. The position of the vertical wall 2 in the prefabricated bridge deck auxiliary facility which is simply grounded is adjusted, so that the space function requirements of the actual cable grooves of each specialty of power supply, communication and signals can be adjusted. Two sides of the protective wall 1 are respectively provided with a vertical groove for pouring mortar. Mortar is poured into the groove, and the groove and the adjacent protective wall are connected in a longitudinal shearing mode. The lower parts of the protective wall 1 and the side wall 3 are respectively provided with a widened platform for preventing pedestrian footpath boards, and the widened platform is as high as the vertical wall 2. The width of the widened platform is 50 cm. The protective wall 1, the vertical wall 2, the side wall 3 and the bottom plate 4 are integrally prefabricated and formed by reactive powder concrete, and steel fibers are uniformly embedded in the protective wall 1, the vertical wall 2, the side wall 3 and the bottom plate 4. It should be noted that, the simple grounded prefabricated bridge deck auxiliary facility shown in fig. 1 has only one vertical wall 2, but the specific number is not limited thereto, and two or more vertical walls 2 may be provided according to the actual use requirement and the length of the bottom plate 4, and the prefabricated units are separated by a specified interval and assembled on site to form a continuous complete bridge baffle system.
The thickness of the protective wall 1 is less than or equal to 120mm, the thickness of the vertical wall 2 is less than or equal to 60mm, and the thickness of the side wall 3 is less than or equal to 100 mm. Protective wall 1, erect wall 2, boundary wall 3 and 4 handing-over departments of bottom plate are equipped with round chamfer, are the circular arc at protective wall 1, erect wall 2, boundary wall 3 and 4 handing-over departments of bottom plate promptly and connect, can avoid producing stress concentration in handing-over department like this to the life of the prefabricated bridge floor subsidiary facility of simple and easy ground connection has been improved.
Optionally, the thickness of the protective wall 1 is less than or equal to 250mm, the thickness of the vertical wall 2 is less than or equal to 100mm, the thickness of the side wall 3 is less than or equal to 350mm, and the thickness of the bottom plate 4 is less than or equal to 200 mm. The length of the simply grounded prefabricated bridge deck auxiliary facility unit is more than or equal to 500mm and less than or equal to 2000 mm.
The protective wall 1 and the bottom plate 2 are of thickness gradual change structures, the inclination angle of the inner side surface of the protective wall 1 is larger than 0 degree and smaller than or equal to 10 degrees, the inclination angle of the top surface of the bottom plate 2 is larger than 0 degree and smaller than or equal to 5 degrees, and the bottom surface 4 is provided with one side of the protective wall 1 which is higher than the side wall 3 on the bottom surface. Therefore, the use strength of the member can be ensured, and the use amount of the active powder concrete can be reduced, so that the production and manufacturing cost of the simple and easy-grounded prefabricated bridge deck auxiliary facility is reduced.
Optionally, the protection wall 1 and the bottom plate 4 are of uniform thickness structure, i.e. the inclination angle of the side surface of the protection wall 1 is equal to 0 degree, and the inclination angle of the top surface of the upright post 2 is equal to 0 degree.
The inside pre-buried drain pipe of protective wall 1, vertical wall 2 and bottom plate 4 converges the rainwater to the inboard bridge floor drain pipe of protective wall.
The utility model provides a transmission process of load that simple and easy ground connection's prefabricated bridge floor subsidiary facility bore in work is specifically explained below with the attached drawing:
horizontal, vertical load that protective wall 1, vertical wall 2, side wall 3 will bear is given for bottom plate 4, and horizontal, vertical load that bottom plate 4 will bear is given for bridge major structure.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a prefabricated bridge floor subsidiary facility of simple and easy ground connection which characterized in that: including protecting wall (1), perpendicular wall (2), side wall (3), bottom plate (4) and pre-buried backing plate (5), protecting wall (1) with side wall (3) set up perpendicularly the both ends of bottom plate (4), it sets up perpendicularly to erect wall (2) the middle part of bottom plate (4), protecting wall (1), erect wall (2) with side wall (3) are parallel to each other, pre-buried backing plate (5) pre-buried in inside bottom plate (4), the inside vertical ground reinforcement that vertically sets up that is provided with in protecting wall (1) upper end, pre-buried backing plate (5) are connected vertical ground reinforcement.
2. A prefabricated bridge deck attachment for easy grounding according to claim 1 wherein: pre-buried backing plate (5) set up in inside protection wall (1) inboard bottom plate (4), pre-buried backing plate (5) are including water conservancy diversion muscle (52), guide plate (51) and fixed muscle (53), guide plate (51) vertical plane is provided with the through-hole, water conservancy diversion muscle (52) with fixed muscle (53) are all perpendicular the through-hole axis sets up, water conservancy diversion muscle (52) are connected guide plate (51), fixed muscle (53) weld in guide plate (51) face, fixed muscle (53) length is greater than guide plate (51) face length, guide plate (51) are pre-buried in prefabricated bridge floor auxiliary facility bottom plate (4) inside and be provided with the through-hole that runs through bottom plate (4) structure.
3. A prefabricated bridge deck attachment for easy grounding according to claim 2 wherein: continuous steel bars are arranged in the protective wall (1), the side walls (3) and the bottom plate (4).
4. A prefabricated bridge deck attachment for easy grounding according to claim 3 wherein: the continuous steel bar is connected with the fixing bar (53).
5. A simple earthed prefabricated bridge deck attachment according to any of claims 2 to 3, characterised in that: and the prefabricated bridge deck auxiliary facilities are bolted to the upper surface of the bridge deck through the embedded base plates (5).
6. A prefabricated bridge deck attachment for easy grounding according to claim 1 wherein: pre-buried backing plate (5) set up in inside bottom plate (4) of side wall (3), pre-buried backing plate (5) are including guide plate (51) and fixed muscle (53), guide plate (51) vertical plane is provided with the through-hole, fixed muscle (53) are all perpendicular the through-hole axis sets up, fixed muscle (53) weld in guide plate (51) face, fixed muscle (53) length is greater than guide plate (51) face length, guide plate (51) are pre-buried in prefabricated bridge floor subsidiary facility bottom plate (4) inside and be provided with the through-hole that runs through bottom plate (4) structure.
7. A prefabricated bridge deck attachment for easy grounding according to any one of claims 2 or 6 wherein: the guide plate (51) further comprises a thin-wall steel pipe (54), the thin-wall steel pipe (54) comprises a transverse steel pipe and a vertical steel pipe, the transverse steel pipe is connected with the vertical steel pipe in an L shape, the interior of the steel pipe is communicated with the interior of the vertical steel pipe, the length of the vertical steel pipe is larger than or equal to the height of the guide plate (51), and the transverse steel pipe is arranged on the lower bottom surface of the guide plate (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921332514.1U CN211228113U (en) | 2019-08-16 | 2019-08-16 | Simple and easy grounded prefabricated bridge floor auxiliary facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921332514.1U CN211228113U (en) | 2019-08-16 | 2019-08-16 | Simple and easy grounded prefabricated bridge floor auxiliary facility |
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| Publication Number | Publication Date |
|---|---|
| CN211228113U true CN211228113U (en) | 2020-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921332514.1U Active CN211228113U (en) | 2019-08-16 | 2019-08-16 | Simple and easy grounded prefabricated bridge floor auxiliary facility |
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| Country | Link |
|---|---|
| CN (1) | CN211228113U (en) |
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2019
- 2019-08-16 CN CN201921332514.1U patent/CN211228113U/en active Active
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