CN111335151A - Pier and bridge with same - Google Patents
Pier and bridge with same Download PDFInfo
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- CN111335151A CN111335151A CN201811557552.7A CN201811557552A CN111335151A CN 111335151 A CN111335151 A CN 111335151A CN 201811557552 A CN201811557552 A CN 201811557552A CN 111335151 A CN111335151 A CN 111335151A
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- Prior art keywords
- pier
- prefabricated
- adjacent
- embedded
- prefab
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
Abstract
The invention discloses a bridge pier and a bridge with the same, wherein the bridge pier comprises: the prefabricated parts are arranged along the axial direction of the bridge pier, each prefabricated part extends along the axial direction of the bridge pier, and the adjacent ends of two adjacent prefabricated parts are respectively pre-embedded with a pre-embedded connecting piece; coupling assembling, adjacent two of two adjacent prefabs pre-buried connecting piece passes through coupling assembling connects so that it is a plurality of the prefab is followed the axial realization end to end of pier connects gradually. The pier provided by the embodiment of the invention can simplify the working procedures of a construction site, improves the construction safety, has short construction period and high efficiency, can reduce adverse effects on road traffic environment, is convenient to transport and hoist, and has a firm and reliable structure.
Description
Technical Field
The invention relates to the technical field of bridges, in particular to a pier and a bridge with the same.
Background
In the related art, the pier structure usually adopts a construction mode of pouring reinforced concrete on site, steel bars are bound, a template is arranged, concrete is poured, a template is removed, maintenance is carried out on the construction site, and the superstructure is installed after the strength of the concrete reaches a certain requirement. The construction process needs a large amount of labor, is long in construction time, is greatly influenced by weather conditions, has a large influence on road traffic, and has a serious problem of field dust pollution. In addition, the reinforced concrete is cast in situ, the construction is difficult, the danger is high, the efficiency is low, the construction quality is difficult to ensure, and the replacement of components is difficult in later operation.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, an object of the present invention is to provide a pier which is constructed efficiently and has a firm structure.
Another object of the present invention is to provide a bridge having the above pier.
According to the embodiment of the invention, the bridge pier comprises: the prefabricated parts are arranged along the axial direction of the bridge pier, each prefabricated part extends along the axial direction of the bridge pier, and the adjacent ends of two adjacent prefabricated parts are respectively pre-embedded with a pre-embedded connecting piece; coupling assembling, adjacent two of two adjacent prefabs pre-buried connecting piece passes through coupling assembling connects so that it is a plurality of the prefab is followed the axial realization end to end of pier connects gradually.
The pier provided by the embodiment of the invention can simplify the working procedures of a construction site, improves the construction safety, has short construction period and high efficiency, can reduce adverse effects on road traffic environment, is convenient to transport and hoist, and has a firm and reliable structure.
In addition, the bridge pier according to the above embodiment of the present invention may further have the following additional technical features:
according to the pier of the embodiment of the invention, the connecting assembly is clamped between two adjacent prefabricated members, and the pier further comprises: a cast-in-place member filling a gap between two adjacent of the pre-fabricated members and wrapping at least a portion of the connection assembly.
According to some embodiments of the invention, the connection assembly comprises: the two bottom plates are arranged between two adjacent prefabricated parts and are arranged in parallel, and two adjacent embedded connecting pieces of the two adjacent prefabricated parts are correspondingly connected with the two bottom plates one by one; the connecting plate is connected between the two bottom plates.
Further, the connection assembly further includes: the fastener, the bottom plate is equipped with first connecting hole, pre-buried connecting piece is equipped with the second connecting hole, the fastener penetrates in proper order first connecting hole with the second connecting hole is in order to connect the bottom plate with pre-buried connecting piece.
Further, the pre-buried connecting piece includes: a mounting plate having a first bore section; the connecting sleeve is arranged at a distance from the mounting plate and internally provided with a second hole section, the second connecting hole comprises the first hole section and the second hole section, and the fastener passes through the second hole section and is inserted into the first hole section at the end part.
In some embodiments of the invention, a sealing gasket for sealing a gap between the base plate and the connecting sleeve and allowing the fastener to pass through is arranged between the base plate and the embedded connecting piece.
According to some embodiments of the invention, the fastener comprises: the threaded rod part is suitable for penetrating through the bottom plate to be connected with the embedded connecting piece; the head portion is connected with the axial end portion of the threaded rod portion and is abutted to one side, back to the embedded connecting piece, of the base plate, and a gasket is arranged between the head portion and the base plate.
In some embodiments of the invention, the bottom plate is formed as a rectangular plate, and four corner regions of the rectangular plate are respectively provided with the first connection holes so that the bottom plate and the embedded connection member are connected through four fasteners.
In some embodiments of the invention, the bottom plate is perpendicular to an axial direction of the preform, and the connecting plate comprises: the four enclosing plates are connected to form a rectangle, and two ends of each enclosing plate are vertically connected to the two bottom plates.
According to some embodiments of the invention, the preform comprises: the pre-embedded connecting piece is pre-embedded in the precast concrete piece; and the reinforcing steel bars are embedded in the precast concrete pieces.
Further, adjacent two precast concrete spare the adjacent end of reinforcing bar links to each other, every coupling assembling presss from both sides and establishes adjacent two between the prefab, the pier still includes: and the cast-in-place part fills gaps between two adjacent prefabricated parts and wraps the connecting parts of two adjacent steel bars and at least one part of the connecting component.
Furthermore, the adjacent ends of two adjacent steel bars are connected through a grouting sleeve, and the grouting sleeve is embedded into the cast-in-place part.
According to some embodiments of the invention, a plurality of the preforms comprises: at least one and a plurality of pier stud prefab in bent cap prefab and the cushion cap prefab, it is a plurality of pier stud prefab loops through from beginning to end coupling assembling connects, the bent cap prefab passes through coupling assembling with be located the top the pier stud prefab links to each other, the cushion cap prefab passes through coupling assembling with be located the downside the pier stud prefab links to each other.
Further, the cap preform includes: the lower part of the prefabricated bearing platform is embedded with a lower reinforcing rib; the prefabricated bearing platform comprises a prefabricated bearing platform upper portion, the prefabricated bearing platform upper portion is arranged on the prefabricated bearing platform lower portion, an upper reinforcing rib is pre-embedded in the prefabricated bearing platform upper portion, and the lower reinforcing rib is connected with the upper reinforcing rib through a grouting sleeve.
Further, one of the lower side of the upper part of the prefabricated bearing platform and the upper side of the lower part of the prefabricated bearing platform is provided with a positioning convex part, and the other one of the lower side of the upper part of the prefabricated bearing platform and the upper side of the lower part of the prefabricated bearing platform is provided with a positioning groove, wherein the positioning convex part is suitable for being inserted into the positioning groove.
In some embodiments of the present invention, a plurality of the pier stud prefabricated members are sequentially connected end to end through the connecting assembly to form a pier stud, and the pier height H of the pier stud satisfies: 8m < H.ltoreq.12 m, the weight of each preform not exceeding 31 tons.
The bridge according to the embodiment of the present invention includes a bridge pier according to the embodiment of the present invention.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a front view of a bridge pier according to an embodiment of the present invention;
fig. 2 is a right side view of a bridge pier according to an embodiment of the present invention;
fig. 3 is a schematic view of a connection structure between a connection assembly and an embedded connection member of a pier according to an embodiment of the present invention.
Reference numerals:
a pier 100;
a preform 10; prefabricating the concrete part 11; reinforcing steel bars 12; a capping beam preform 13; a cap preform 14; prefabricating a lower part 141 of the bearing platform; a prefabricated cap upper portion 142; a lower reinforcing rib 143; an upper reinforcing rib 144; a positioning boss 145; a positioning groove 146; pier stud prefabricated parts 15;
pre-burying a connecting piece 20; a mounting plate 21; a connecting sleeve 22;
a connecting assembly 30; a bottom plate 31; a connecting plate 32; a surrounding plate 321; a fastener 33; a threaded shank 331; a head portion 332;
a cast-in-place element 40;
a sealing gasket 50; a washer 51;
a grouting sleeve 60;
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.
A pier 100 according to an embodiment of the present invention is described below with reference to fig. 1 to 3.
Referring to fig. 1 to 3, a pier 100 according to an embodiment of the present invention may include: a plurality of preforms 10 and a joining assembly 30.
Specifically, as shown in fig. 1 and 2, a plurality of prefabricated members 10 may be arranged in an axial direction of a bridge pier 100, each prefabricated member 10 may extend in the axial direction of the bridge pier 100, and adjacent ends of two adjacent prefabricated members 10 may be embedded with embedded connectors 20, respectively. Two adjacent pre-buried connecting pieces 20 of two adjacent prefabricated members 10 can be connected through the connecting assembly 30, so that the plurality of prefabricated members 10 can be sequentially connected end to end in the axial direction of the pier 100.
In some related technologies, a pier structure usually adopts a construction mode of pouring reinforced concrete on site, and steel bars are bound, a template is arranged, concrete is poured, a template is removed, maintenance is carried out on the construction site, and the superstructure is installed after the strength of the concrete meets certain requirements. The construction process needs a large amount of labor, is long in construction time, is greatly influenced by weather conditions, has a large influence on road traffic, and has a serious problem of field dust pollution. In addition, the reinforced concrete is cast in situ, the construction is difficult, the danger is high, the efficiency is low, the construction quality is difficult to ensure, and the replacement of components is difficult in later operation.
In other related technologies, the whole pier is transported to a construction site for installation after engineering prefabrication, the pier is heavy, the requirements for machines and tools for transportation and installation are high, the measure cost is increased, the occupied construction operation surface is large during installation, road traffic is affected, and the traffic volume is large.
In the invention, the pier 100 is formed by sequentially connecting a plurality of prefabricated members 10 end to end along the axial direction of the pier 100, and each prefabricated member 10 can be connected with the embedded connecting member 20 through the connecting member 30 after the prefabrication is completed. Compared with the cast-in-place reinforced concrete in the related art, the pier 100 assembled by the prefabricated parts 10 has fewer processes in site construction, so that the construction time is shortened, the noise pollution is reduced, the influence on the surrounding environment and road traffic can be reduced, and the operation is more efficient and ordered. Compared with the integral prefabrication of piers in the related art, the weight of each prefabricated part 10 is light, the transportation and hoisting cost can be reduced, manpower and material resources are saved, and the requirement on machines is low. And pier 100 segmentation prefabrication, the machining precision is higher, and the structure is more reliable and more stable.
In addition, pre-buried connecting piece 20 has been pre-buried in the prefab 10, and coupling assembling 30 realizes being connected of two prefabs 10 through linking to each other with pre-buried connecting piece 20, is favorable to improving the reliability that coupling assembling 30 and prefab 10 are connected, improves high-intensity district anti-seismic performance. In the manufacturing process, two adjacent prefabricated members 10 are connected through different connecting assemblies 30, and different connecting assemblies 30 do not interfere with each other, can connect in proper order, are favorable to improving connection efficiency. In addition, even if one of the connecting parts is damaged, the stability of other connecting parts is not influenced, the structure is not easy to collapse, the safety is higher, and only one of the connecting assembly 30 or the prefabricated member 10 needs to be replaced, so that the cost is reduced.
It should be noted that two adjacent embedded connectors 20 of two adjacent prefabricated members 10 may be connected by one connecting assembly 30, or may be connected by two or more connecting assemblies 30.
In addition, the "plurality of prefabricated members 10" means that the number of the prefabricated members 10 is two or more, and in the embodiment that two adjacent embedded connectors 20 of two adjacent prefabricated members 10 are connected by one connecting assembly 30, the number of the connecting assemblies 30 for connecting the prefabricated members 10 is one less than that of the prefabricated members 10.
In the present invention, the number of the prefabricated members 10 and the connection members 30 may be flexibly set according to actual conditions such as the height and weight of the pier 100, so as to prevent the weight of each prefabricated member 10 from being too heavy or too light, which is beneficial to improving the transportation efficiency and the production and installation efficiency, and reducing the cost. For example, in some embodiments, the pier 100 may include two prefabricated members 10 and one connecting assembly 30, and the one connecting assembly 30 is connected to the pre-embedded connectors 20 pre-embedded in the two prefabricated members 10, respectively, to connect the two prefabricated members 10. For another example, in other embodiments, the pier 100 may include four prefabricated members 10 and three connecting assemblies 30, the four prefabricated members 10 and the three connecting assemblies 30 are alternately disposed, and each connecting assembly 30 may connect two adjacent prefabricated members 10.
The pier 100 according to the embodiment of the invention comprises a plurality of prefabricated members 10, and the connection of the plurality of prefabricated members 10 is realized through the connecting members 30 and the embedded connecting members 20 embedded in the prefabricated members 10 to form the fabricated pier 100, so that the process of a construction site can be simplified, the construction safety is improved, the construction period is short, the efficiency is high, the adverse effect on the road traffic environment can be reduced, the prefabricated members 10 are light in weight, convenient to transport and hoist, and firm and reliable in structure due to the connection of the connecting members 20.
According to some embodiments of the present invention, as shown in fig. 1 and 2, each connecting assembly 30 is sandwiched between two adjacent prefabricated members 10, the pier 100 may further include a cast-in-place member 40, the cast-in-place member 40 may fill a gap between two adjacent prefabricated members 10, and at least a portion of the connecting assembly 30 may be wrapped by the cast-in-place member 40, which may not only further improve the reliability of the connection of the prefabricated members 10, but also protect the connecting assembly 30 from corrosion or loosening due to long-term exposure of the connecting assembly 30.
In some embodiments of the present invention, as shown in fig. 3, the connection assembly 30 may include: a bottom plate 31 and a connecting plate 32. The bottom plates 31 may include two parallel bottom plates 31, and the connecting plate 32 may be connected between the two bottom plates 31, so that the connecting assembly 30 is connected as a whole, and the structure is more stable. Alternatively, the connecting plate 32 and the bottom plate 31 may be welded or integrally formed.
In addition, two bottom plates 31 can be established between two adjacent prefab 10, and two adjacent pre-buried connecting pieces 20 of two adjacent prefab 10 can be connected with two bottom plates 31 one-to-one, realize two adjacent prefab 10's connection from this, and bottom plate 31 area is great, and it is more convenient to be connected with pre-buried connecting piece 20, is favorable to guaranteeing to connect in place to improve the reliability of connecting.
Further, as shown in fig. 3, the connection assembly 30 may further include a fastener 33, the bottom plate 31 may be provided with a first connection hole, the pre-embedded connector 20 may be provided with a second connection hole, and the fastener 33 may sequentially penetrate the first connection hole and the second connection hole to connect the bottom plate 31 and the pre-embedded connector 20, so that the connection structure is simple and firm, easy to assemble and disassemble, and more convenient to replace components during later operation. And fastener 33 is connected with prefab 10 through linking to each other with pre-buried connecting piece 20, need not directly to link to each other with prefab 10, and fastener 33 is difficult for taking off, connects more reliably.
Still further, as shown in fig. 3, the embedded connector 20 may include: a mounting plate 21 and a connecting sleeve 22, wherein the mounting plate 21 has a first hole section, the connecting sleeve 22 has a second hole section therein, the second connecting hole includes a first hole section and a second hole section, the fastener 33 can pass through the second hole section, and the end of the fastener 33 can be inserted into the first hole section. From this, connecting sleeve 22 can increase the distance of being connected of fastener 33 and pre-buried connecting piece 20, improves joint strength, and mounting panel 21 can increase pre-buried connecting piece 20 along the axial extension length of perpendicular to prefab 10, and then improves shear resistance, improves the reliability of being connected of pre-buried connecting piece 20 and prefab 10. In addition, as shown in fig. 3, the mounting plate 21 and the connecting sleeve 22 may be spaced apart from each other, so as to reduce the production cost while meeting the requirement of connection strength.
Alternatively, as shown in fig. 3, the mounting plate 21 may be an anchor plate extending perpendicular to the axial direction of the preform 10, the first hole section extends perpendicular to the thickness direction of the anchor plate, the fastening member 33 may be an anchor bolt, and the anchor plate is engaged with the anchor bolt, so that the connection structure is simple and firm, and is easy to disassemble and assemble.
According to some embodiments of the present invention, as shown in fig. 3, a sealing washer 50 may be disposed between the base plate 31 and the embedded connector 20, and the fastening member 33 may pass through the sealing washer 50 to be coupled to the embedded connector 20. The sealing washer 50 can seal the gap between the bottom plate 31 and the connecting sleeve 22, so that the abrasion between the bottom plate 31 and the connecting sleeve 22 can be reduced, the structural reliability is improved, and in the embodiment comprising the cast-in-place part 40, the sealing washer 50 can prevent the fastener 33 from being difficult to disassemble due to the fact that concrete enters the connecting sleeve 22 in the pouring process, and the replacement of components in later operation is facilitated. Alternatively, the sealing washer 50 may be a rubber sealing washer, which has good sealing effect, low cost and good wear resistance.
In some embodiments of the present invention, as shown in FIG. 3, the fastener 33 may include: a threaded shank 331 and a head 332, the head 332 being connectable to an axial end of the threaded shank 331. When the fastener 33 is connected with the bottom plate 31 and the embedded connector 20, the threaded rod part 331 can penetrate through the bottom plate 31 to be connected with the embedded connector 20, and the head part 332 can be abutted against one side of the bottom plate 31, which faces away from the embedded connector 20, so that the fastener 33 is axially limited and is convenient to disassemble and assemble. And a washer 51 may be provided between the head 332 and the bottom plate 31, the washer 51 may reduce wear between the head 332 and the bottom plate 31, and in embodiments of the protective cast-in-place element 40, the washer 51 may also prevent concrete from entering the connecting sleeve 22 during casting and causing the fastener 33 to be irremovable.
The shape of the bottom plate 31 is not particularly limited in the present invention, and alternatively, the bottom plate 31 may be a circular plate, a rectangular plate, a polygonal plate, or the like. For example, in the embodiment shown in fig. 3, the base plate 31 is formed as a rectangular plate, and four corner regions of the rectangular plate are respectively provided with first connection holes, so that the base plate 31 and the embedded connector 20 can be connected by four fasteners 33. The bottom plate 31 is simple in structure and easy to process, the four fasteners 33 are connected from four circumferential positions of the bottom plate 31, the bottom plate 31 is stressed more uniformly, and the bottom plate 31 is connected with the embedded connecting piece 20 more stably. Of course, the number of the fasteners 33 can be adjusted according to the actual requirement, for example, the number of the fasteners 33 can also be two, three, six, eight or more, etc.
According to some embodiments of the present invention, the bottom plate 31 may be perpendicular to the axial direction of the preform 10, so that the bottom plate 31 and the preform 10 may be in surface-to-surface contact, and the connection is more stable. The connecting plate 32 may include four enclosing plates 321, the four enclosing plates 321 are connected to form a rectangle, two ends of each enclosing plate 321 are perpendicularly connected to the two bottom plates 31, that is, each enclosing plate 321 extends along the axial direction of the prefabricated member 10, and the enclosing plates 321 not only can connect the two bottom plates 31, but also can play a role of reinforcing ribs, thereby improving the mechanical strength of the structure. In the embodiment including the cast-in-place member 40, the cast-in-place member 40 is connected with at least the outer side faces of the four enclosing plates 321, so that the connecting area is large and the connecting strength is higher.
It should be noted that the rectangular middle part formed by the four enclosing plates 321 may be hollow, and may also be filled with concrete to further improve the structural strength.
In some embodiments of the present invention, as shown in fig. 1 and 2, the preform 10 may comprise: precast concrete spare 11 and reinforcing bar 12, pre-buried connecting piece 20 can be pre-buried in precast concrete spare 11, and pre-buried connecting piece 20 need not the later stage installation, and manufacturing process is simpler. The reinforcing bars 12 may also be pre-embedded in the precast concrete element 11 to improve the structural strength of the precast concrete element 11.
Further, as shown in fig. 1 and 2, the adjacent ends of the reinforcing bars 12 of two adjacent prefabricated concrete members 11 may be connected, so that the reinforcing bars 12 of a plurality of prefabricated members 10 may be connected as a whole in the axial direction of the pier 100, which may significantly improve the structural strength of the pier 100. Each connecting member 30 may be interposed between two adjacent prefabricated members 10, the pier 100 may further include a cast-in-place member 40, the cast-in-place member 40 may fill a gap between two adjacent prefabricated members 10, and the cast-in-place member 40 may wrap a connecting portion of two adjacent reinforcing bars 12 and at least a portion of the connecting member 30. Therefore, the cast-in-place part 40 can improve the connection strength of two adjacent steel bars 12 and the connection stability of the connection component 30 connecting the two adjacent prefabricated members 10, and the cast-in-place part 40 can protect the connection parts of the two adjacent steel bars 12 and the connection component 30 and prevent the connection parts of the two adjacent steel bars 12 and the connection component 30 from being corroded or loosened.
Still further, as shown in fig. 1 and 2, the adjacent ends of two adjacent rebars 12 may be connected by a grouting sleeve 60, and the grouting sleeve 60 may be embedded in the cast-in-place member 40. The grout sleeve 60 may align the adjacent ends of the adjacent two reinforcing bars 12 to improve the grout joint effect, and the cast-in-place member 40 may further fix the grout sleeve 60 to further improve the joint reliability of the adjacent two reinforcing bars 12.
In the present invention, the plurality of preforms 10 may include: at least one and a plurality of pier stud prefab 15 in bent cap prefab 13 and cushion cap prefab 14, a plurality of pier stud prefab 15 can loop through coupling assembling 30 end to end and connect, bent cap prefab 13 can link to each other with the pier stud prefab 15 that is located the top through coupling assembling 30, cushion cap prefab 14 can link to each other with the pier stud prefab 15 that is located the downside through coupling assembling 30, therefore, pier 100 is connected as a whole through coupling assembling 30, connection structure is simple, easy dismouting, and the volume of every prefab 10 is less, light in weight, be favorable to reducing the transportation, the hoist and mount cost, manpower and material resources are saved.
It should be noted that, in the present invention, the plurality of pier stud prefabricated members 15 are connected end to end in sequence through the connection assembly 30 to form the pier stud, and the number of the pier stud prefabricated members 15 can be adjusted according to the height and weight of the pier stud, so as to prevent the transportation and hoisting costs from being too high due to the overweight of the pier stud prefabricated members 15, or prevent the structural strength from being affected due to the overweight of the connection parts of the pier stud due to the overlong height of the pier stud prefabricated members 15.
For example, in some embodiments, as shown in fig. 2, the pier height H of the pier stud may satisfy: h is more than 8m and less than or equal to 12m, the weight of each prefabricated part 10 is not more than 31 tons, the transportation and hoisting cost is favorably reduced, and the structural strength of the pier 100 is ensured.
According to some embodiments of the present invention, as shown in FIG. 1, the cap preform 14 may include: a prefabricated platform lower portion 141 and a prefabricated platform upper portion 142 to further reduce the weight of the individual components for ease of transportation and lifting. Lower reinforcing ribs 143 can be embedded in the prefabricated bearing platform lower part 141, the prefabricated bearing platform upper part 142 can be arranged on the prefabricated bearing platform lower part 141, upper reinforcing ribs 144 can be embedded in the prefabricated bearing platform upper part 142, and the lower reinforcing ribs 143 and the upper reinforcing ribs 144 can be connected through grouting sleeves 60 to realize the connection of the prefabricated bearing platform lower part 141 and the prefabricated bearing platform upper part 142.
Further, as shown in fig. 1, a positioning groove 146 may be disposed on a lower side of the prefabricated bearing platform upper portion 142, a positioning protrusion 145 may be disposed on an upper side of the prefabricated bearing platform lower portion 141, and when the prefabricated bearing platform upper portion 142 is disposed on the prefabricated bearing platform lower portion 141, the positioning protrusion 145 may be inserted into the positioning groove 146 to limit horizontal positions of the prefabricated bearing platform lower portion 141 and the prefabricated bearing platform upper portion 142, so as to prevent the prefabricated bearing platform lower portion 141 and the prefabricated bearing platform upper portion 142 from being misaligned, which is beneficial to improving structural stability.
Of course, the positions of the positioning protrusions 145 and the positioning grooves 146 may be interchanged, and specifically, the lower side of the prefabricated platform upper portion 142 may be provided with the positioning protrusions 145, and the upper side of the prefabricated platform lower portion 141 may be provided with the positioning grooves 146, which may also limit the prefabricated platform lower portion 141 and the prefabricated platform upper portion 142 by inserting the positioning protrusions 145 into the positioning grooves 146.
As shown in fig. 1, in some embodiments, the prefabricated cap upper part 142 may be embedded with reinforcing bars 12, and the reinforcing bars 12 may extend from the prefabricated cap upper part 142 to form connection bars, which may be connected with the reinforcing bars 12 of the pier stud prefabricated part 15 located at the lowermost side through the grouting sleeve 60.
In some embodiments of the present invention, the bottom of the prefabricated cap lower part 141 may have a pile foundation hole, and the pier 100 may further include a pile foundation 70, and the pile foundation 70 may be inserted into the pile foundation hole to be connected to the prefabricated cap lower part 141, so that the pile foundation 70 may support and position the cap preform 14, and the cap preform 14 may be firmly fixed.
The bridge according to the embodiment of the present invention includes a pier 100 according to the embodiment of the present invention. Because the bridge pier 100 provided by the embodiment of the invention has the beneficial technical effects, the bridge pier provided by the embodiment of the invention can simplify the working procedures of a construction site, improve the construction safety, has short construction period and high efficiency, can reduce the adverse effect on the road traffic environment, is convenient to transport and hoist, and has a firm and reliable structure.
A bridge manufacturing method by which the pier 100 according to the embodiment of the present invention can be manufactured, or other manufacturing methods can be used to manufacture the bridge will be described below. The following detailed description will be given taking the fabrication of the pier 100 shown in fig. 1 to 3 as an example, and it is to be understood that the following description is only an exemplary description and is not to be construed as limiting the invention.
As shown in fig. 1 to 3, the method of manufacturing the pier 100 may include the steps of:
s1: acquiring a capping beam prefabricated part 13, a prefabricated bearing platform lower part 141, a prefabricated bearing platform upper part 142, two pier stud prefabricated parts 15 and three connecting assemblies 30, wherein reinforcing steel bars 12 are respectively embedded in the capping beam prefabricated part 13, the prefabricated bearing platform lower part 141, the prefabricated bearing platform upper part 142, the two pier stud prefabricated parts 15 and the three connecting assemblies 30, embedded connectors 20 are embedded in the lower part of the capping beam prefabricated part 13, embedded connectors 20 are embedded in both ends of each pier stud prefabricated part 15, embedded connectors 20 are embedded in the upper part of the prefabricated bearing platform upper part 142, upper reinforcing ribs 144 are embedded in the upper part of the prefabricated bearing platform upper part 142, and lower reinforcing ribs 143 are embedded in the prefabricated bearing platform lower part 141;
s2: arranging the pile foundation 70, hoisting the lower part 141 of the prefabricated pile cap, and inserting the pile foundation 70 into a pile foundation hole reserved at the bottom of the lower part 141 of the prefabricated pile cap;
s3: hoisting the upper part 142 of the prefabricated bearing platform to enable the positioning convex part 145 to be inserted into the positioning groove 146, and connecting the upper reinforcing rib 144 with the lower reinforcing rib 143 through the grouting sleeve 60;
s4: hoisting one of the pier stud prefabricated members 15, so that the lower end of one of the pier stud prefabricated members 15 is connected with the upper part 142 of the prefabricated bearing platform through a connecting assembly 30, and the steel bars 12 of the pier stud prefabricated members 15 are connected with the steel bars 12 of the upper part 142 of the prefabricated bearing platform through a grouting sleeve 60;
s5: hoisting the other pier stud prefabricated part 15, so that the lower end of the other pier stud prefabricated part 15 is connected with the upper end of one pier stud prefabricated part 15 through a connecting assembly 30, and the steel bars 12 of the other pier stud prefabricated part 15 are connected with the steel bars 12 of the one pier stud prefabricated part 15 through a grouting sleeve 60;
s6: hoisting the capping beam prefabricated part 13 to enable the capping beam prefabricated part 13 to be connected with the upper end of the other pier stud prefabricated part 15 through the connecting assembly 30, and connecting the reinforcing steel bars 12 of the capping beam prefabricated part 13 with the reinforcing steel bars 12 of the other pier stud prefabricated part 15 through the grouting sleeve 60;
s7: and respectively pouring cast-in-place parts 40 between the prefabricated pile cap upper part 142 and one of the pier stud prefabricated parts 15, between one of the pier stud prefabricated parts 15 and the other of the pier stud prefabricated parts 15, and between the other of the pier stud prefabricated parts 15 and the capping beam prefabricated part 13, so that the cast-in-place parts 40 wrap the grouting sleeve 60 and the three connecting components 30.
Other constructions and operations of the bridge and pier 100 according to the embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description herein, references to the description of the terms "embodiment," "particular embodiment," "example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (17)
1. A pier, comprising:
the prefabricated parts are arranged along the axial direction of the bridge pier, each prefabricated part extends along the axial direction of the bridge pier, and the adjacent ends of two adjacent prefabricated parts are respectively pre-embedded with a pre-embedded connecting piece;
coupling assembling, adjacent two of two adjacent prefabs pre-buried connecting piece passes through coupling assembling connects so that it is a plurality of the prefab is followed the axial realization end to end of pier connects gradually.
2. The pier of claim 1, wherein the connection assembly is interposed between two adjacent prefabricated members, and the pier further comprises:
a cast-in-place member filling a gap between two adjacent of the pre-fabricated members and wrapping at least a portion of the connection assembly.
3. The pier of claim 1 or 2, wherein the connection assembly comprises:
the two bottom plates are arranged between two adjacent prefabricated parts and are arranged in parallel, and two adjacent embedded connecting pieces of the two adjacent prefabricated parts are correspondingly connected with the two bottom plates one by one;
the connecting plate is connected between the two bottom plates.
4. The pier of claim 3, wherein the connection assembly further comprises:
the fastener, the bottom plate is equipped with first connecting hole, pre-buried connecting piece is equipped with the second connecting hole, the fastener penetrates in proper order first connecting hole with the second connecting hole is in order to connect the bottom plate with pre-buried connecting piece.
5. The pier of claim 4, wherein the embedded connectors comprise:
a mounting plate having a first bore section;
the connecting sleeve is arranged at a distance from the mounting plate and internally provided with a second hole section, the second connecting hole comprises the first hole section and the second hole section, and the fastener passes through the second hole section and is inserted into the first hole section at the end part.
6. The pier of claim 5, wherein a sealing gasket is arranged between the bottom plate and the embedded connecting piece and used for sealing a gap between the bottom plate and the connecting sleeve and enabling the fastener to penetrate through the gap.
7. The pier of claim 4, wherein the fastener comprises:
the threaded rod part is suitable for penetrating through the bottom plate to be connected with the embedded connecting piece;
the head portion is connected with the axial end portion of the threaded rod portion and is abutted to one side, back to the embedded connecting piece, of the base plate, and a gasket is arranged between the head portion and the base plate.
8. The pier of claim 4, wherein the bottom plate is formed as a rectangular plate, and four corner areas of the rectangular plate are respectively provided with the first connecting holes so that the bottom plate and the embedded connecting pieces are connected through four fasteners.
9. The pier of claim 3, wherein the bottom plate is perpendicular to an axial direction of the prefabricated member, and the connecting plate comprises:
the four enclosing plates are connected to form a rectangle, and two ends of each enclosing plate are vertically connected to the two bottom plates.
10. The pier of claim 1, wherein the preform comprises:
the pre-embedded connecting piece is pre-embedded in the precast concrete piece;
and the reinforcing steel bars are embedded in the precast concrete pieces.
11. The pier of claim 10, wherein adjacent ends of the reinforcing bars of two adjacent precast concrete members are connected, and each of the connection assemblies is interposed between two adjacent precast concrete members, the pier further comprising:
and the cast-in-place part fills gaps between two adjacent prefabricated parts and wraps the connecting parts of two adjacent steel bars and at least one part of the connecting component.
12. The pier of claim 11, wherein adjacent ends of two adjacent rebars are connected by a grouting sleeve embedded in the cast-in-place member.
13. The pier of any of claims 10-12, wherein the plurality of preforms comprises:
at least one and a plurality of pier stud prefab in bent cap prefab and the cushion cap prefab, it is a plurality of pier stud prefab loops through from beginning to end coupling assembling connects, the bent cap prefab passes through coupling assembling with be located the top the pier stud prefab links to each other, the cushion cap prefab passes through coupling assembling with be located the downside the pier stud prefab links to each other.
14. The pier of claim 13, wherein the cap preform comprises:
the lower part of the prefabricated bearing platform is embedded with a lower reinforcing rib;
the prefabricated bearing platform comprises a prefabricated bearing platform upper portion, the prefabricated bearing platform upper portion is arranged on the prefabricated bearing platform lower portion, an upper reinforcing rib is pre-embedded in the prefabricated bearing platform upper portion, and the lower reinforcing rib is connected with the upper reinforcing rib through a grouting sleeve.
15. The pier of claim 14, wherein one of the lower side of the upper prefabricated cap portion and the upper side of the lower prefabricated cap portion is provided with a positioning protrusion, and the other one is provided with a positioning groove, and the positioning protrusion is adapted to be inserted into the positioning groove.
16. The pier according to any one of claims 13-15, wherein a plurality of the pier stud prefabricated parts are sequentially connected end to end through the connecting assembly to form a pier stud, and the pier height H of the pier stud meets the following requirements: 8m < H.ltoreq.12 m, the weight of each preform not exceeding 31 tons.
17. A bridge, characterized by comprising a pier according to any one of claims 1 to 16.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811557552.7A CN111335151B (en) | 2018-12-19 | 2018-12-19 | Pier and bridge with same |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811557552.7A CN111335151B (en) | 2018-12-19 | 2018-12-19 | Pier and bridge with same |
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| CN111335151B CN111335151B (en) | 2022-03-18 |
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| CN111335151B (en) | 2022-03-18 |
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