CN217476190U - Bridge deck prefabricated formwork - Google Patents
Bridge deck prefabricated formwork Download PDFInfo
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- CN217476190U CN217476190U CN202220221931.4U CN202220221931U CN217476190U CN 217476190 U CN217476190 U CN 217476190U CN 202220221931 U CN202220221931 U CN 202220221931U CN 217476190 U CN217476190 U CN 217476190U
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Abstract
The utility model provides a bridge deck prefabricated formwork, which comprises a support, a bottom plate, a first baffle plate and a second baffle plate, wherein the support is arranged below the bottom plate and is used for horizontally supporting the bottom plate; the bottom plate comprises a supporting frame and a supporting plate paved on the supporting frame, the supporting frame comprises horizontal cross beams arranged side by side, connecting beams are arranged at two ends of the cross beams arranged side by side, and the connecting beams are connected with the end parts of the cross beams; the first baffle can be dismantled respectively and connect in the outside of two crossbeams in the outside, the second baffle can be dismantled and connect in the outside of tie-beam first baffle with all be provided with vertical reinforcing bar limiting plate on the second baffle the top edge of reinforcing bar limiting plate is seted up the reinforcing bar spacing seam that horizontal interval equals downwards. The utility model discloses can assemble and form, can dismantle after finishing using, used repeatedly has reduced manufacturing cost.
Description
Technical Field
The utility model relates to a decking technical field, more specifically relates to a decking prefabricated formwork.
Background
Bridge decks of bridges such as suspension bridges and cable-stayed bridges are mostly prefabricated, and the bridges are hoisted to a preset stage for installation after being processed. The form that is used for decking prefabrication construction among the prior art adopts the mode that concrete pedestal and steel form combined together more, and its whole is bulky, the quality is heavy, remove the difficulty, is difficult to dismantle after prefabrication construction is accomplished, unable used repeatedly, and the pedestal sets up in addition in large quantity, and whole template processing is long consuming time, the consumptive material is many, and the cost is higher.
SUMMERY OF THE UTILITY MODEL
In view of the above problem, the utility model aims at providing a bridge deck plate prefabricating formwork, the template is formed by equipment such as support, bottom plate, curb plate, and the back can be dismantled after finishing using, and used repeatedly has reduced manufacturing cost.
The utility model provides a bridge deck prefabricated formwork, which comprises a support, a bottom plate, a first baffle plate and a second baffle plate, wherein,
the support is arranged below the bottom plate and used for horizontally supporting the bottom plate;
the bottom plate comprises a supporting frame and supporting plates laid on the supporting frame, the supporting frame comprises cross beams which are horizontally arranged side by side, connecting beams are arranged at two ends of the cross beams arranged side by side, and the connecting beams are connected with the end parts of the cross beams;
the first baffle is detachably connected to the outer sides of the two outermost beams respectively, the second baffle is detachably connected to the outer sides of the connecting beams, a cavity is defined by the first baffle, the second baffle and the supporting plate, vertical steel bar limiting plates are arranged on the first baffle and the second baffle, and steel bar limiting seams with equal horizontal intervals are arranged downwards on the upper edges of the steel bar limiting plates;
corner pressing plates are arranged at the end parts of the first baffle and the second baffle and are pressed above the corners of the supporting plate.
The support comprises I-shaped steel uniformly erected below the bottom plate, and wing plates of the I-shaped steel are perpendicular to the cross beams and supported below each cross beam.
The crossbeam is the channel-section steel, the vertical setting of wainscot of channel-section steel, the opening that is located two channel-section steels in the outside all inwards, the tie-beam is the right angle steel, the horizontal plate face embedding of angle steel is the curb plate and the welding of every channel-section steel, the vertical face of angle steel and the wainscot edge weld of every channel-section steel, the upper surface of the horizontal plate face of angle steel with the upper surface of the curb plate of channel-section steel is on the coplanar.
Evenly be provided with the screw hole respectively on the wainscot of two channel-section steels that lie in the outside evenly be provided with the screw hole on the vertical face of angle steel be provided with on the first baffle with the corresponding through-hole of screw hole on the wainscot be provided with on the second baffle with the corresponding through-hole of screw hole of angle steel, first baffle with the wainscot is through the bolted connection who passes through-hole and screw hole, the second baffle with the angle steel is through the bolted connection who passes through-hole and screw hole.
The reinforcing steel bar limiting plate comprises isosceles trapezoid clamping plates which are horizontally arranged side by side, the shape of a spacing surface between every two adjacent clamping plates is the shape of an inverted clamping plate, vertical first vertical plates are arranged along two waist edges and a lower bottom edge of each clamping plate, a second vertical plate is connected between every two adjacent first vertical plates,
the inner sides of the first baffle and the second baffle are both connected with the clamping plates which are horizontally arranged side by side, the lower surfaces of the clamping plates are attached to the upper surface of the supporting plate, the lower edge of the second vertical plate is connected with the upper edge of the first baffle or the second baffle,
two steel bar limiting joints are arranged downwards on the upper edge of the first vertical plate at the upper part of the lower bottom edge, the two steel bar limiting joints are symmetrical about the central plane of the first vertical plate, two steel bar limiting joints are arranged downwards on the upper edge of the second vertical plate,
the horizontal distances among all the reinforcing steel bar limiting seams are equal, and the length of each reinforcing steel bar limiting seam is equal to the height of the corresponding second vertical plate.
The steel bar limiting seam is an isosceles trapezoid with a wide upper part and a narrow lower part.
The four corners department of backup pad all is provided with bight reinforcing bar limiting plate, bight reinforcing bar limiting plate includes two risers of becoming the right angle connection, the lower limb of two risers is connected in the backup pad, two right-angle sides that two risers formed are parallel with two right-angle sides in adjacent backup pad bight respectively the upper end of third riser has seted up the spacing seam of bight reinforcing bar downwards the opposite side of third riser interconnect's limit portion is provided with the extension riser, the tip of extension riser orientation adjacent reinforcing bar limiting plate.
And a sealing strip is plugged in the steel bar limiting seam.
The sealing strip orientation the inboard surface of decking prefabricated formwork with the internal surface parallel and level of reinforcing bar limiting plate.
The shape of the reinforcing steel bar limiting plate is the same as that of the side part of the bridge deck.
Utilize the aforesaid to be according to the utility model discloses a decking prefabricated formwork has adopted assembled and disassembled's support, bottom plate, first baffle, second baffle, is provided with reinforcing bar limiting plate and reinforcing bar spacing seam on first baffle and second baffle, and the reinforcing bar that supplies the decking stretches out, according to the size of the bridge floor plate of treating prefabricated and the size of shape preparation bottom plate, according to the shape of the marginal shape preparation reinforcing bar limiting plate of decking. The utility model discloses a removal can be dismantled to decking prefabricated formwork, and reuse can select the baffle that the installation has different reinforcing bar limiting plates according to the marginal shape of the decking of difference, has practiced thrift manufacturing cost, has improved work efficiency.
To the accomplishment of the foregoing and related ends, one or more aspects of the invention comprise the following detailed description. The following description and the annexed drawings set forth in detail certain illustrative aspects of the invention. These aspects are indicative, however, of but a few of the various ways in which the principles of the invention may be employed. Moreover, the present invention is intended to include all such aspects and their equivalents.
Drawings
Other objects and results of the present invention will become more apparent and more readily appreciated as the same becomes better understood by reference to the following description and appended claims, taken in conjunction with the accompanying drawings.
In the drawings:
fig. 1 is a schematic structural view of a bridge deck prefabricated formwork according to an embodiment of the present invention;
fig. 2 is a side view of a base plate according to an embodiment of the invention;
fig. 3 is a top view of a bridge deck prefabricated form according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a reinforcing steel bar limiting plate according to an embodiment of the present invention;
the steel bar corner support comprises a support 1, a base plate 2, a first baffle 3, a second baffle 4, a support frame 5, a support plate 6, a cross beam 7, a connecting beam 8, a steel bar limiting plate 9, a steel bar limiting seam 10, a bolt 11, a clamping plate 12, a first vertical plate 13, a second vertical plate 14, a corner steel bar limiting plate 15, a third vertical plate 16, an extending vertical plate 17, a steel bar frame 18 and a corner pressing plate 19.
The same reference numbers in all figures indicate similar or corresponding features or functions.
Detailed Description
In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of one or more embodiments. It may be evident, however, that such embodiment(s) may be practiced without these specific details. In other instances, well-known structures and devices are shown in block diagram form in order to facilitate describing one or more embodiments
Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of a bridge deck prefabricated formwork according to an embodiment of the present invention; fig. 2 is a side view of a base plate according to an embodiment of the invention; fig. 3 is a top view of a bridge deck prefabricated form according to an embodiment of the present invention; fig. 4 is according to the utility model discloses a structural schematic of reinforcing bar limiting plate.
As shown in fig. 1-4, the prefabricated bridge deck formwork of the present embodiment may be used for prefabricating a bridge deck, and is particularly suitable for prefabricating a bridge deck of a suspension bridge or a cable-stayed bridge.
This prefabricated template of decking includes support 1, bottom plate 2, first baffle 3 and second baffle 4, and support 1 sets up and is used for making bottom plate 2 leave ground and horizontal support bottom plate 2 in the below of bottom plate 2, and first baffle 3 and second baffle 4 are used for enclosing the edge of closing at bottom plate 2, form the cavity that can pour the concrete jointly with bottom plate 2.
The bottom plate 2 may include a support frame 5 and a support plate 6 laid on the support frame 5, and the support frame 5 firmly and stably erects the support plate 6. For the firmness of the supporting frame 5, the supporting frame 5 comprises horizontal cross beams 7 arranged side by side, the distance between the cross beams 7 can be 20cm-30cm, connecting beams 8 are arranged at two ends of the cross beams 7 arranged side by side, the connecting beams 8 are connected with the end portions of each cross beam 7, the length of each connecting beam 8 is the same as the distance between the outer surfaces of the two cross beams 7 at the outermost sides, and the connecting beams 8 connect the end portions of each cross beam 7 together. Two tie-beams 8 and two crossbeams 7 in the outside have formed a frame, and a plurality of crossbeams 7 of evenly distributed are covered on the equal area backup pad 6 on 5 upper portions of carriage in the frame.
The area and the shape of bottom plate 2 are decided according to the area and the shape of the decking of treating prefabricated, and the decking that treats pouring in this embodiment is whole for the rectangle, and carriage 5 is the rectangle, and the length of crossbeam 7 can be decking length also can be decking width.
The support 1 in this embodiment may comprise an i-steel which is uniformly mounted below the base plate 2, with the flanges of the i-steel being perpendicular to each cross-member 7 and supported below each cross-member 7. The length of the I-shaped steel can be the same as or slightly longer than the distance between the two cross beams 7 at the outermost side, the waist height of the I-shaped steel can be 32cm, and the number of the I-shaped steel can be determined according to the length of the cross beams.
The supporting frame 5 is placed on the upper portion of wing plates of the I-shaped steel which are evenly placed side by side. The crossbeam 7 of carriage 5 can adopt the channel-section steel, and the wainscot of every channel-section steel is vertical to be set up, and the opening that is located two channel-section steels in the outside all inwards, and the wainscot of two channel-section steels in the outside is as carriage 5's outer panel for install first baffle 3. The tie-beam 8 can adopt right angle steel, and the length of angle steel is the same with the distance between the wainscot of two channel-section steels in the outside. In this embodiment, the length of angle steel is the length of decking, and the length of channel-section steel is the width of decking.
Level of two faces of right angle steel sets up a vertical setting, the horizontal plate face embedding of angle steel goes up the curb plate and welds of every channel-section steel, the vertical plate face of angle steel and the wainscot edge weld of every channel-section steel, the upper surface of the horizontal plate face of angle steel and the upper surface of the last curb plate of channel-section steel are on the coplanar, help leveling of 5 upper surfaces of carriage, lay backup pad 6 backs on 5 upper portions of carriage, 6 lower surfaces of backup pad contact completely carriage 5, reduce backup pad 6 and warp at the concrete placement in-process, maintain 6 horizontality of backup pad. The supporting plate 6 is made of a steel plate.
The first baffle 3 is detachably connected to the outer sides of the two outermost cross beams 7 respectively, and in the embodiment, the first baffle can be connected through bolts. Threaded holes can be uniformly formed in the waist plates of the two channel steels positioned on the outermost side respectively, through holes corresponding to the threaded holes in the waist plates are formed in the first baffle 3, and the first baffle 3 is connected with the waist plates through bolts penetrating through the through holes and the threaded holes.
The second baffle 4 is detachably connected to the outer side of the connecting beam 8, and can be connected through bolts in the embodiment. Threaded holes can be uniformly formed in the vertical plate surface of the angle steel, through holes corresponding to the threaded holes of the angle steel are formed in the second baffle 4, and the second baffle 4 is connected with the angle steel through bolts penetrating through the through holes and the threaded holes.
Set up reinforcing bar limiting plate 9 on first baffle 3 and second baffle 4, be provided with reinforcing bar spacing seam 10 on the reinforcing bar limiting plate 9, when reinforcing bar limiting plate 9 is used for spacing horizontal reinforcing bar, form the side shield of pouring the space, the shape of reinforcing bar limiting plate 9 is according to the lateral part shape of waiting prefabricated decking and decide.
In this embodiment, the side of the bridge deck is saw-toothed, and the cross section of the saw-toothed is isosceles trapezoid. The reinforcing steel bar limiting plate 9 can include the isosceles trapezoid cardboard 12 that the level set up side by side, and the spacing face shape between the adjacent cardboard 12 is a cardboard 12 shape of placing in the falling direction, and two waists, the lower base of every cardboard 12 that set up side by side along the level are provided with vertical riser 13, are connected with second riser 14 between adjacent riser 13. The isosceles trapezoid clamping plates 12 horizontally arranged side by side are connected to the inner sides of the first baffle 3 and the second baffle 4, the lower edge of the second vertical plate 14 is connected with the upper edge of the first baffle 3 or the upper edge of the second baffle 4, and two vertical edges of the second vertical plate 14 are connected with the adjacent first vertical plates 13 respectively. The included angle between the waist edge and the lower bottom edge of the isosceles trapezoid clamping plate 12 can be 45 degrees.
After the first baffle 3 and the second baffle 4 are installed in place, the lower surface of the clamping plate 12 is attached to the upper surface of the supporting plate 6, and the clamping plate 12 can press the supporting plate 6 on the supporting frame 5 to prevent the supporting plate 6 from displacing. The upper ends of the first riser 13 and the second riser 14 are flush, and the distance between the upper ends of the first riser 13 and the second riser 14 and the support plate 6 cannot be less than the thickness of the bridge deck plate. The first vertical plate 13 and the second vertical plate 14 are arranged along the two baffle plates in a staggered mode to form a serrated side baffle plate.
The spacing between the reinforcing steel bar limiting seams 10 is determined according to the specific construction conditions. In this embodiment, two reinforcing steel bar limiting seams 10 are formed downwards on the upper edge of the first vertical plate 13 at the upper part of the lower bottom edge, and the two reinforcing steel bar limiting seams 10 are symmetrical about the vertical central plane of the first vertical plate 13. Two reinforcing steel bar limiting seams 10 are formed downwards on the upper edge of the second vertical plate 14, and the two reinforcing steel bar limiting seams 10 are symmetrical about the vertical center line of the second vertical plate 14. The horizontal distance between the steel bar limiting seams 10 on the first baffle plate 3 is equal to the horizontal distance between the steel bar limiting seams on the second baffle plate 4. The length of the reinforcing bar spacing gap 10 can be the height of the second riser 14, each layer of horizontal reinforcing bars in the reinforcing bar frame 18 is fixed by the stirrup connection, and after the reinforcing bar frame 18 is placed on the supporting plate 6, the length of the reinforcing bar spacing gap 10 is higher than the height of the reinforcing bar frame 18. In order to facilitate the horizontal bars of the reinforcing bar frames 18 to enter the reinforcing bar limiting joints 10, the reinforcing bar limiting joints 10 can be isosceles trapezoids with wide upper parts and narrow lower parts.
In this embodiment, the four corners of the bridge deck are not right angles but inclined planes, and the inclined planes are also provided with sawteeth. All be provided with bight reinforcing bar limiting plate 15 in the four corners department of backup pad 6, bight reinforcing bar limiting plate 15 includes two third risers 16 that become the right angle and connect, and the lower limb of two third risers 16 is connected on backup pad 6, and the line perpendicular to backup pad 6 of two third risers 16. The right-angle side that two riser 16 formed is parallel and have certain distance with the right-angle side at 6 bights of adjacent backup pad respectively, has seted up bight reinforcing bar spacing seam 10 downwards in the upper end of riser 16, is provided with extension riser 17 at the opposite side of 16 interconnect's of riser limit portion, and every extension riser 17 can be with adjacent reinforcing bar limiting plate 9's end connection towards adjacent reinforcing bar limiting plate 9's tip. The distance between the two corner reinforcing steel bar limiting seams 10 is determined according to the construction condition. The space that four bight reinforcing bar limiting plates 15 and two first baffles 3, two second baffles 4 enclose forms the cuboid that the four corners was cut, and the decking after the prefabrication is the cuboid that the four corners was cut, and the limit portion of cuboid is the cockscomb structure. The lower edges of the two third risers 16 can also be detachably connected to the support plate 6, facilitating the change of shape of the four corners of the deck.
The using process comprises the following steps:
firstly, installing a bridge deck prefabricated template:
arranging a support on the ground, placing a support frame above the support, wherein the support frame is horizontal, and placing a support plate above the support frame;
the first baffle plates are respectively arranged at the outer sides of the two cross beams at the outermost side, the second baffle plates are arranged at the outer sides of the connecting beams, and the clamping plates are pressed at the upper parts of the supporting plates;
after the bridge deck prefabricated formwork is installed, placing a steel bar frame of a bridge deck to be prefabricated on the supporting plate, wherein horizontal steel bars of the steel bar frame extend out of steel bar limiting joints of the steel bar limiting plates, and the transverse position of the steel bars is limited;
and sealing strips are plugged in the steel bar limiting seams to seal the steel bar limiting seams, and concrete is poured above the supporting plate after sealing.
The sealing strip is towards the inboard surface of the prefabricated template of decking and the internal surface parallel and level of reinforcing bar limiting plate, and whole template medial surface should level, and the curb plate that helps the decking of pouring is leveled.
After the concrete is finally set, the prefabricated formwork of the bridge deck can be dismantled and moved.
The shape of the reinforcing steel bar limiting plate is arranged according to the shape of the side part of the bridge deck. Be provided with the reinforcing bar limiting plate on first curb plate and second curb plate, through changing the removable reinforcing bar limiting plate of first curb plate and second curb plate, change the lateral part shape of decking.
And the welding positions are leveled, so that the flatness of the interior of the template is ensured.
A bridge deck prefabrication formwork according to the present invention is described above by way of example with reference to the accompanying drawings. However, it should be understood by those skilled in the art that various modifications can be made to the prefabricated form for a bridge deck without departing from the scope of the present invention. Therefore, the scope of the present invention should be determined by the content of the appended claims.
Claims (10)
1. A bridge deck prefabricated formwork is characterized by comprising a support, a bottom plate, a first baffle plate and a second baffle plate, wherein,
the support is arranged below the bottom plate and used for horizontally supporting the bottom plate;
the bottom plate comprises a supporting frame and a supporting plate paved on the supporting frame, the supporting frame comprises horizontal cross beams arranged side by side, connecting beams are arranged at two ends of the cross beams arranged side by side, and the connecting beams are connected with the end parts of the cross beams;
the first baffle is detachably connected to the outer sides of the two outermost beams respectively, the second baffle is detachably connected to the outer sides of the connecting beams, a cavity is defined by the first baffle, the second baffle and the supporting plate, vertical steel bar limiting plates are arranged on the first baffle and the second baffle, and steel bar limiting seams with equal horizontal intervals are arranged downwards on the upper edges of the steel bar limiting plates;
corner pressing plates are arranged at the end parts of the first baffle and the second baffle and are pressed above the corners of the supporting plate.
2. The bridge deck precast formwork of claim 1 wherein the pedestal comprises an i-beam uniformly erected below the floor, the flanges of the i-beam being perpendicular to the beams and supported below each beam.
3. The bridge deck prefabricating formwork of claim 1, wherein the cross beam is a channel steel, a waist plate of the channel steel is vertically arranged, openings of two channel steels on the outermost side face inwards, the connecting beam is a right-angle steel, a horizontal plate face of the angle steel is embedded into an upper side plate of each channel steel and welded, a vertical plate face of the angle steel is welded with an edge of the waist plate of each channel steel, and an upper surface of the horizontal plate face of the angle steel is on the same plane with an upper surface of the upper side plate of the channel steel.
4. The bridge deck prefabricated formwork as claimed in claim 3, wherein threaded holes are uniformly formed in the waist plates of the two outermost channel steels, threaded holes are uniformly formed in the vertical plate surfaces of the angle steels, through holes corresponding to the threaded holes in the waist plates are formed in the first baffle plate, through holes corresponding to the threaded holes in the angle steels are formed in the second baffle plate, the first baffle plate and the waist plates are connected through bolts penetrating through the through holes and the threaded holes, and the second baffle plate and the angle steels are connected through bolts penetrating through the through holes and the threaded holes.
5. The bridge deck prefabricated formwork of claim 1, wherein the reinforcing steel bar limiting plates comprise isosceles trapezoid-shaped clamping plates which are horizontally arranged side by side, the shape of a spacing surface between every two adjacent clamping plates is the shape of an inverted clamping plate, vertical first vertical plates are arranged along two waist edges and a lower bottom edge of each clamping plate, a second vertical plate is connected between every two adjacent first vertical plates,
the inner sides of the first baffle and the second baffle are both connected with the clamping plates which are horizontally arranged side by side, the lower surfaces of the clamping plates are attached to the upper surface of the supporting plate, the lower edge of the second vertical plate is connected with the upper edge of the first baffle or the second baffle,
two steel bar limiting seams are arranged downwards on the upper edge of the first vertical plate at the upper part of the lower bottom edge, the two steel bar limiting seams are symmetrical about the central plane of the first vertical plate, two steel bar limiting seams are arranged downwards on the upper edge of the second vertical plate,
the horizontal distances among all the reinforcing steel bar limiting joints are equal, and the length of each reinforcing steel bar limiting joint is equal to the height of the corresponding second vertical plate.
6. The bridge deck precast formwork of claim 5, wherein the reinforcing steel bar limiting seam is an isosceles trapezoid with a wide upper part and a narrow lower part.
7. The bridge deck prefabricated formwork of claim 1, wherein corner reinforcing steel limiting plates are arranged at four corners of the supporting plate, each corner reinforcing steel limiting plate comprises two third vertical plates which are connected in a right angle mode, the lower edges of the two third vertical plates are connected to the supporting plate, the two right-angle sides formed by the two third vertical plates are parallel to the two right-angle sides of the corners of the adjacent supporting plate respectively, corner reinforcing steel limiting seams are formed in the upper ends of the third vertical plates downwards, extending vertical plates are arranged on opposite sides of the three vertical plates which are connected with each other, and the extending vertical plates face the end portions of the adjacent reinforcing steel limiting plates.
8. The bridge deck prefabricated formwork of claim 1, wherein a sealing strip is inserted into the reinforcing steel bar limiting seam.
9. The bridge deck prefabricated formwork of claim 8, wherein a surface of the sealing strip facing an inner side of the bridge deck prefabricated formwork is flush with an inner surface of the steel reinforcement limiting plate.
10. The bridge deck precast formwork of claim 8, wherein the reinforcing steel bar limiting plate has the same shape as the side of the bridge deck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220221931.4U CN217476190U (en) | 2022-01-26 | 2022-01-26 | Bridge deck prefabricated formwork |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220221931.4U CN217476190U (en) | 2022-01-26 | 2022-01-26 | Bridge deck prefabricated formwork |
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| Publication Number | Publication Date |
|---|---|
| CN217476190U true CN217476190U (en) | 2022-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220221931.4U Active CN217476190U (en) | 2022-01-26 | 2022-01-26 | Bridge deck prefabricated formwork |
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| Country | Link |
|---|---|
| CN (1) | CN217476190U (en) |
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- 2022-01-26 CN CN202220221931.4U patent/CN217476190U/en active Active
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