CN106049298A - Bridge reinforcement device and installation method for same - Google Patents

Bridge reinforcement device and installation method for same Download PDF

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Publication number
CN106049298A
CN106049298A CN201610586936.6A CN201610586936A CN106049298A CN 106049298 A CN106049298 A CN 106049298A CN 201610586936 A CN201610586936 A CN 201610586936A CN 106049298 A CN106049298 A CN 106049298A
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CN
China
Prior art keywords
support bar
bridge
bridge pier
girder
strengthening
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CN201610586936.6A
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Chinese (zh)
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CN106049298B (en
Inventor
王学博
张锐
何杰
杨亮亮
李全乐
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BEIJING CCCC QIAOYU SCIENCE AND TECHNOLOGY Co Ltd
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BEIJING CCCC QIAOYU SCIENCE AND TECHNOLOGY Co Ltd
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Priority to CN201610586936.6A priority Critical patent/CN106049298B/en
Publication of CN106049298A publication Critical patent/CN106049298A/en
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D22/00Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges

Abstract

The invention relates to a bridge reinforcement device and an installation method for same. The device comprises multiple reinforcement mechanisms, wherein a bridge comprises a main beam and a bridge pier which is located under the main beam and used to support the main beam; each reinforcement mechanism comprises a first supporting rod, a second supporting rod, a third supporting rods, a fourth supporting rod, force guide plates and elastic components; the first supporting rod and the second supporting rods are located under the main beam and parallel to the main beam; one end of the first supporting rod and one end of the second supporting rod are fixed on the bridge pier and close to the main beam; the other end of the first supporting rod is connected to one end of the third supporting rod; the other end of the second supporting rod is connected to one end of the fourth supporting rod; the other end of the third supporting rod and the other end of the fourth supporting rod are fixed on the bridge pier and remote from the main beam; the force guide plates are disposed on top faces of the first supporting rod and the second supporting rod respectively; and the elastic components are disposed on top faces of the force guide plates and get contacted with the bottom face of the main beam. The device enhances a bearing capacity of the bridge.

Description

Bridge strengthening device and installation method thereof
Technical field
The present invention relates to technical field of bridge engineering, particularly relate to a kind of bridge strengthening device and installation method thereof.
Background technology
Bridge, is the building built for road crosses over natural or cultural obstacle.At highway, railway traffic circuit On, the bottleneck of traffic loading contained often by bridge, limits the current, as at chemical industry, oil, electric power, metallurgy of overweight vehicle And the field such as building, have the transport of main equipment or component, usually limited because it exceedes Bridge Design load System.Although some equipment, component can transport by the way of dismounting in batches, but are monoblock types at equipment or component In the case of, whole equipment or component cannot be carried out dismounting, thus can exceed the bearing capacity of bridge, so that The transport of one-block apparatus and component is the most difficult.
At present, Technology Bridge Strengthening theory is scarcely out of swaddling-clothes, although and existing reinforcement technique scheme and measure All safety is conservative, but often has more complicated structure, is that to have long construction period, difficulty of construction big, economical therewith The shortcoming such as of poor benefits.
Summary of the invention
It is an object of the invention to: provide a kind of bridge strengthening device, it is ensured that overweight equipment and component, the most whole Body formula overweight equipment and component safety bridge, will not cause damage to bridge.
In order to realize foregoing invention purpose, the invention provides a kind of bridge strengthening device, wherein, described bridge includes main Beam and bridge pier, described bridge pier is positioned at the lower section of described girder to support described girder, and described bridge strengthening device includes multiple adding Gu mechanism, described strengthening mechanism includes the first support bar, the second support bar, the 3rd support bar, the 4th support bar, leads power plate and bullet Property parts, described first support bar and described second support bar be arranged at the lower section of described girder, and each parallel to described master Beam, one end of described first support bar and one end of described second support bar are each attached on described bridge pier, and are close to described Girder, the other end of described first support bar is connected with one end of described 3rd support bar, the other end of described second support bar Being connected with one end of described 4th support bar, the other end of described 3rd support bar and the other end of described 4th support bar are the most solid Be scheduled on described bridge pier, and all away from described girder, described in lead power plate and be separately positioned on the first support bar and the second support bar On end face, described elastomeric element be arranged on described in lead on the end face of power plate, and contact with the bottom surface of described girder.
On the basis of technique scheme, the present invention can also do following improvement.
Preferably, described elastomeric element is bridge pad.
Preferably, described girder is T-shaped beam or box beam, described elastomeric element be arranged on described T-shaped beam web or The lower section of the web of described box beam.
Preferably, described strengthening mechanism is del.
Preferably, described first support bar and described second support bar about described bridge pier specular, described 3rd Strut and described 4th support bar are about described bridge pier specular.
Preferably, described strengthening mechanism also includes the first connector and the second connector, one end of described first support bar All lead to the first connector with one end of described second support bar to be detachably mounted on bridge pier, another of described 3rd support bar The other end of end and described 4th support bar is all detachably mounted on described bridge pier by the second connector.
Preferably, in the end that described first support bar is connected with described bridge pier, described second support bar and described bridge pier The end connected, the end that is connected with described bridge pier of described 3rd support bar and described 4th support bar are connected with described bridge pier Be provided with fixed plate on end, described first connector through described fixed plate by described first support bar and described second Strut is fixed on described bridge pier, and described second connector is fixed on described 3rd support bar and described in described fixed plate Four support bars are fixed on described bridge pier.
Preferably, described first connector and the second connector are foundation bolt, spiral or chemical anchor bolts.
Preferably, being provided with connecting plate on described bridge pier, described connecting plate is positioned at described bridge pier and described 3rd support Between bar and between described bridge pier and described 4th support bar, described 3rd support bar and described 4th support bar another One end is each attached on described connecting plate.
Present invention also offers the installation method of a kind of above-mentioned bridge strengthening device, comprise the following steps:
(1) make described first support bar and described second support bar be respectively positioned on the lower section of described girder, and make the two Each parallel to described girder, one end of described first support bar and one end of described second support bar are each attached to described simultaneously On bridge pier;
(2) one end of described 3rd support bar is connected with the other end of described first support bar, and makes the described 3rd The other end of support bar is away from described girder and is fixed on described bridge pier, by one end and described second of described 4th support bar The other end of support bar connects, and makes the other end of described 4th support bar away from described girder and be fixed on described bridge pier On;
(3) the described power of leading plate is separately positioned on the end face of described first support bar and described second support bar,
(4) described elastomeric element is arranged on described in lead on the end face of power plate, and contact with the bottom surface of described girder, institute State elastomeric element with described girder without active force.
The bridge strengthening device that the present invention provides, overall structure is simple, it is easy to processes and constructs, thus is beneficial to large-scale Promote, additionally, the good mechanical properties of bracing means, effectively raise the bearing capacity of bridge so that overweight load vehicle Safe passing is on bridge.
It addition, the installation method that the present invention provides is simple and convenient, it is simple to implement, beneficially repetitive operation.
It should be appreciated that it is only exemplary that above general description and details hereinafter describe, can not be limited this Invention.
Accompanying drawing explanation
The overall structure schematic diagram of the bridge strengthening device that Fig. 1 provides for the embodiment of the present invention;
The bridge strengthening device that Fig. 2 provides for the embodiment of the present invention view is preferably used;
The use state entirety knot of the preferred anchor connector in the bridge strengthening device that Fig. 3 provides for the embodiment of the present invention Structure schematic diagram;
The use state side-looking knot of the preferred anchor connector in the bridge strengthening device that Fig. 4 provides for the embodiment of the present invention Structure schematic diagram;
Preferred anchor connector overall structure schematic diagram in the bridge strengthening device that Fig. 5 provides for the embodiment of the present invention;
The use state of another the preferred anchor connector in the bridge strengthening device that Fig. 6 provides for the embodiment of the present invention is whole Body structural representation;
The use state side of another the preferred anchor connector in the bridge strengthening device that Fig. 7 provides for the embodiment of the present invention TV structure schematic diagram;
Another preferred anchor connector overall structure signal in the bridge strengthening device that Fig. 8 provides for the embodiment of the present invention Figure;
The section structure schematic diagram of the support bar in the bridge strengthening device that Fig. 9 provides for the embodiment of the present invention;
The overall structure schematic diagram of the first support bar in the bridge strengthening device that Figure 10 provides for the embodiment of the present invention;
The overall structure schematic diagram of the 3rd support bar in the bridge strengthening device that Figure 11 provides for the embodiment of the present invention.
Drawing reference numeral illustrates:
100-girder;102-bridge pier;104-bent cap;12-strengthening mechanism;120-the first support bar;121-the second support bar; 122-the 3rd support bar;123-the 4th support bar;124-elastomeric element;125-leads power plate;126-connecting plate;127-first connects Part;128-the second connector;129-fixed plate.
Detailed description of the invention
Being described principle and the feature of the present invention below in conjunction with accompanying drawing, example is served only for explaining the present invention, and Non-for limiting the scope of the present invention.
Embodiments provide a kind of bridge strengthening device, as depicted in figs. 1 and 2, including multiple strengthening mechanisms 12, Its Bridge includes girder 100 and bridge pier 102, also includes that bent cap 104, strengthening mechanism 12 include the first support bar 120, second Strut the 121, the 3rd support bar the 122, the 4th support bar 123 and elastomeric element 124, also include leading power plate 125, connecting plate 126, A connection piece 127 and the second connector 128.
Bridge pier 102 is positioned at the lower section of girder 100 with support girder 100, when bridge also includes bent cap 104, and bent cap 104 In the top of bridge pier 102, bridge pier 102 is connected with girder 100 by bent cap 104.
In the bridge strengthening device that above-described embodiment provides, the first support bar 120 and the second support bar 121 are arranged at The lower section of the girder 100 of bridge, and each parallel to the girder 100 of bridge, one end of the first support bar 120 and the second support bar One end of 121 is each attached on bridge pier 102, and is close to girder 100, when the top of bridge pier 102 is additionally provided with bent cap 104, One end of first support bar 120 and one end of the second support bar 121 are each attached on bent cap 104, another of the first support bar 120 End is connected with one end of the 3rd support bar 122, and the other end of the second support bar 121 and one end of the 4th support bar 123 are connected, the The other end of three support bars 122 and the other end of the 4th support bar 123 are each attached on bridge pier 102, and all away from girder 100, Leading power plate 125 to be separately positioned on the end face of the first support bar 120 and the second support bar 121, elastomeric element 124 is leading power plate The end face of 125, elastomeric element 124 contact with the bottom surface of girder 100 and and girder 100 between without active force, need explanation It is that, under the Gravitative Loads of bridge, without active force between elastomeric element 124 and girder 100, elastomeric element 124 makes to lead power plate 125 With girder 100 for flexibly connecting, play cushioning effect.But elastomeric element 124 contacts with girder 100 without interaction force, When running over overweight equipment and super-heavy component on the track of bridge, girder 100 is by active force, elastomeric element 124 energy Enough make strengthening mechanism 12 uniform force, it is therefore prevented that stress is concentrated thus the destruction of causing strengthening mechanism 12, substantially increases The strengthening mechanism 12 reinforcement effect to bridge.The concrete kind of elastomeric element 124 does not has special demand, as long as can play Certain cushioning effect, such as elastomeric element 124 can be bridge pad, have resilient bridge pad such as rubber support Or other kinds of elastomeric element.When there is space between the bottom surface of elastomeric element 124 and girder 100, can be at sky Steel plate is clogged at gap.Owing to strengthening mechanism 12 is in del, the structure of whole device is more firm.
During reality is applied, first support bar the 120, second support bar the 121, the 3rd support bar 122 and the 4th The length of strut 123 all should be then passed through Force Calculation determine according to the needs of passed through overweight load.
Owing to girder 100 can be selected for T-shaped beam or box beam, when selecting T-shaped beam or box beam as girder 100, elastic Parts 124 are preferably provided at the web of T-shaped beam or the lower section of the web of box beam, can further improve strengthening mechanism 12 and girder Cushioning effect between 100 so that for flexibly connecting between girder 100 and strengthening mechanism 12, largely avoided girder 100 and suffers Destroy.
In order to improve the reinforcement effect of strengthening mechanism 12 further, the first support bar 120 and the second support bar 121 are about bridge Pier 102 specular, same, the 3rd support bar 122 and the 4th support bar 123 are also about bridge pier 102 specular.In reality In application process, can be selected for shaped steel as the first support bar the 120, second support bar the 121, the 3rd support bar 122 and the 4th support Bar 123, it is possible to add the conduction of strength so that being more uniformly stressed of whole strengthening mechanism 12, improves strengthening mechanism 12 further Support force, particularly, as shown in Figure 9, the section of shaped steel is preferably in I shape.Additionally, as shown in Figure 10 and Figure 11, first The cross section of support bar 120 and the second support bar 121 is all rectangle, and the cross section of the 3rd support bar 122 and the 4th support bar 123 is equal Trapezoidal, the such as first support bar 120 can be connected with the 3rd support bar 122 by the way of welding, same, the second support bar 121 also can be connected with the 4th support bar 123 by the way of welding.It may also be noted that select the mode of welding to carry out even When connecing, in place of the close end of the first support bar 120, the end with the 3rd support bar 122 is welded to each other, same, and second supports In place of the close end of bar 121, the end with the 4th support bar 123 is welded to each other.
When on bridge not by overweight equipment and super-heavy component, strengthening mechanism 12 can be dismantled, thus reduce The loss of strengthening mechanism 12, therefore, one end of the first support bar 120 is fixed, equally with bridge pier 102 by the first connector 127 , one end of the second support bar 121 is fixed with bridge pier 102 by the first connector 127.Additionally, due to the 3rd support bar 122 He 4th support bar 123 the most all can be connected with bridge pier 102 by the second connector 128 so that the 3rd support bar 122 and the 4th supports Bar 123 is detachable, facilitates the use of strengthening mechanism 12, improves service life and the utilization rate of strengthening mechanism 12.
First support bar the 120, second support bar the 121, the 3rd can be supported by the first connector 127 and the second connector 128 Bar 122 and the 4th support bar 123 are fixed on bridge pier 102 easily, in order to the most easy for installation, such as Fig. 3, Fig. 4, Fig. 5, figure 6, shown in Fig. 7 and Fig. 8, in the end that the first support bar 120 is connected with bridge pier 102, the second support bar 121 with bridge pier 102 even On end that the end that connects, the 3rd support bar 122 are connected with bridge pier 102 and the end that the 4th support bar 123 is connected with bridge pier 102 Being provided with fixed plate 129, the first connector 127 will be at the first support bar 120 and the second support bar 121 through fixed plate 129 Being fixed on bridge pier 102, the second connector 128 is fixed on the 3rd support bar 122 and the 4th support bar 123 in fixed plate 129 It is each attached on bridge pier 102.First connector 127 and the second connector 128 can be evenly distributed in fixed plate 129.
From the point of view of more specifically, the concrete kind of connector is not exposed to concrete restriction, can be selected for foundation bolt and Spiral is as dowel formula anchor connector, and the quantity of foundation bolt can be 1,2,3 or 4, it addition, carrying out Time fixing, preferably foot bolt is evenly distributed in fixed plate 129.If bridge pier 102 is the bridge pier newly increased, such as, entering During row cast in situs, when using spiral as the first connector 127, in work progress, spiral is carried out pre- Bury.If existing bridge pier, chemical anchors hydrant anchor connector can be used, during being embodied as, use punching to implant Mode chemical anchor bolts are arranged on bridge pier 102, it is preferable that chemical anchor bolts are evenly distributed in fixed plate 129.
When including multiple strengthening mechanism 12, so that the fixing with bridge of multiple strengthening mechanism 12 stable and convenient, Can arrange connecting plate 126 on bridge pier 102, connecting plate 126 is between bridge pier 102 and the 3rd support bar 122 and bridge pier 102 And between the 4th support bar 123, the other end of the 3rd support bar 122 is fixed on connecting plate 126, say, that the 3rd supports The other end of bar 122 is fixed on bridge pier 102 by connecting plate 126, and same, the other end of the 4th support bar 123 is fixed on On connecting plate 126, the other end of the 4th support bar 123 is fixed on bridge pier 102 by connecting plate 126, wherein fixing mode Preferably anchoring, mention the most in detail, here is omitted.It may also be noted that when bridge pier 102 is beam front axle During pier, it is possible to without selecting connecting plate 126, use following manner by the 3rd support bar 122 or one of the 4th support bar 123 End is fixed on bridge pier 102: first implant, chemical anchor bolts punching then by the 3rd support bar 122 or the 4th support bar 123 are welded on chemical anchor bolts.As it was previously stated, first support bar the 120, second support bar the 121, the 3rd support bar 122 and the 4th When one end of support bar 123 is all detachably mounted on bridge pier 102, preferably at first support bar the 120, second support bar 121, being provided with fixed plate 129 on an end of the 3rd support bar 122 and the 4th support bar 123, anchor connector passes Fixed plate 129 will be each attached at first support bar the 120, second support bar the 121, the 3rd support bar 122 and the 4th support bar 123 On bridge pier 102.Now, the fixed plate 129 of the end that anchor connector will be located in each support bar through fixed plate 129 is fixed on On bridge pier 102.
It is pointed out that the setting owing to leading power plate 125, it is ensured that strengthening mechanism 12 overall stress in the horizontal is equal Even, in order to improve strengthening mechanism 12 overall uniform force in the horizontal further, can be selected for shaped steel as leading power plate 125, more Preferably, can be selected for the shaped steel that section is I shape.In actual application, lead the length of power plate 125, namely lead power plate 125 along being configured according to required reinforcing lane width of the length on the direction that bridge distally extends.
The bridge strengthening device that the present invention provides, overall structure is simple, it is easy to processes and constructs, thus is beneficial to large-scale Promote, additionally, the good mechanical properties of bracing means, effectively raise the bearing capacity of bridge so that monoblock type is overweight to be set Standby or super-heavy component safe passing, on bridge, substantially increases the bearing capacity of bridge.
The bridge strengthening device provided according to embodiments of the present invention, its installation method comprises the following steps:
Step one, make the first support bar 120 and the second support bar 121 be respectively positioned on the lower section of girder 100, and make the two Each parallel to girder 100, one end of the first support bar 120 and one end of the second support bar 121 are each attached to bridge pier 102 simultaneously On.
In above-mentioned steps one, the first support bar 120 and the second support bar 121 are fixed on the mode on bridge pier 102 also Do not limited by concrete, for convenient disassembly, all can be fixedly connected with bridge pier 102 by the first connector 127.Preferably Ground, is fixed on the first support bar 120 and the second support bar 121 on bridge pier 102 in the following manner:
First on the end of the first support bar 120 and the second support bar 121, it is respectively provided with fixed plate 129, enters at bridge pier 102 During row cast in situs, spiral or foundation bolt are embedded in bridge pier 102 as the first connector 127, final screw thread Reinforcing bar or foundation bolt through fixed plate 129 so that the first support bar 120 and the second support bar 121 all with bridge pier 102 Fixing.Or, chemical anchor bolts punching is implanted in bridge pier 102, then the first support bar 120 and the second support bar 121 all pass through Chemical anchor bolts are fixed with bridge pier 102.
Step 2, one end of the 3rd support bar 122 is connected with the other end of the first support bar 120, and makes the 3rd The other end of strut 122 is away from girder 100 and is fixed on bridge pier 102, by one end of the 4th support bar 123 and the second support bar The other end of 121 connects, and the other end of the 4th support bar 123 away from girder 100 and is fixed on bridge pier 102.
In above-mentioned steps two, the most whole installation process, one end of the 3rd support bar 122 and the first support bar The other end of 120 is attached by the method for welding, same, one end of the 4th support bar 123 and the second support bar 121 The other end is attached also by the mode of welding.
It addition, the mode that the 3rd support bar 122 and the 4th support bar 123 are fixed on bridge pier 102 can be found in above-mentioned One support bar 120 and the second support bar 121 are fixed on the mode on bridge pier 102, do not repeat them here.
Step 3, it is separately positioned on leading power plate 125 on the end face of the first support bar 120 and the second support bar 121, especially , power plate 125 will be led and be separately positioned on the first support bar 120 and the second support bar 121 end.Wherein lead power plate 125 to be preferably Shaped steel, particularly preferred section is the shaped steel of I shape.
Step 4, elastomeric element 124 is arranged on the end face leading power plate 125, and makes elastomeric element 124 and girder The bottom surface of 100 contacts, and and girder 100 between without interaction force.
It is previously mentioned in aforementioned bridge strengthening device, when including multiple strengthening mechanism 12, there is provision of connecting plate 126, Repeat the most one by one.First connecting plate 126 is fixed on bridge pier 102, then by the 3rd support bar 122 and the 4th support bar The other end of 123 is each attached on connecting plate 126.Fixing mode sees above-mentioned first support bar 120 and the second support bar 121 It is fixed on the mode on bridge pier 102, does not repeats them here.
Above-mentioned installation method is simple and convenient, it is simple to implement, beneficially repetitive operation.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention and Within principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.

Claims (10)

1. a bridge strengthening device, wherein, bridge includes girder (100) and bridge pier (102), and bridge pier (102) is positioned at girder (100) lower section is with support girder (100), it is characterised in that described bridge strengthening device includes multiple strengthening mechanism (12), adds Gu mechanism (12) includes the first support bar (120), the second support bar (121), the 3rd support bar (122), the 4th support bar (123), power plate (125) and elastomeric element (124) are led,
First support bar (120) and the second support bar (121) are arranged at the lower section of girder (100), and each parallel to girder (100), one end of the first support bar (120) and one end of the second support bar (121) are each attached on bridge pier (102), and all lean on Nearly girder (100), the other end of the first support bar (120) and one end of the 3rd support bar (122) are connected, the second support bar (121) the other end and one end of the 4th support bar (123) are connected, the other end of the 3rd support bar (122) and the 4th support bar (123) the other end is each attached on bridge pier (102), and all away from girder (100),
Lead power plate (125) to be separately positioned on the end face of the first support bar (120) and the second support bar (121),
Elastomeric element (124) is arranged on the end face leading power plate (125), and contacts with the bottom surface of girder (100).
Bridge strengthening device the most according to claim 1, it is characterised in that elastomeric element (124) is bridge pad.
Bridge strengthening device the most according to claim 1, it is characterised in that girder (100) is T-shaped beam or box beam, bullet Property parts (124) is arranged on the web of described T-shaped beam or the lower section of the web of described box beam.
Bridge strengthening device the most according to claim 1, it is characterised in that strengthening mechanism (12) is in del.
Bridge strengthening device the most according to claim 1, it is characterised in that
First support bar (120) and the second support bar (121) about bridge pier (102) specular,
3rd support bar (122) and the 4th support bar (123) are about bridge pier (102) specular.
Bridge strengthening device the most according to claim 1, it is characterised in that strengthening mechanism (12) also includes the first connector (127) and the second connector (128),
It is dismountable solid that one end of first support bar (120) and one end of the second support bar (121) all lead to the first connector (127) It is scheduled on bridge pier (102),
The other end of the 3rd support bar (122) and the other end of the 4th support bar (123) are all fixed by the second connector (128) On bridge pier (102).
Bridge strengthening device the most according to claim 6, it is characterised in that at the first support bar (120) and bridge pier (102) End, the 3rd support bar (122) that the end of connection, the second support bar (121) are connected with bridge pier (102) connect with bridge pier (102) Being provided with fixed plate (129) with bridge pier (102) on the end that the end connect and the 4th support bar (123) are connected, first connects First support bar (120) and the second support bar (121) are fixed on bridge pier (102) by part (127) through fixed plate (129), the Two connectors (128) are fixed in fixed plate (129) and the 3rd support bar (122) and the 4th support bar (123) are fixed on bridge pier (102) on.
Bridge strengthening device the most according to claim 6, it is characterised in that the first connector (127) and the second connector (128) it is foundation bolt, spiral or chemical anchor bolts.
Bridge strengthening device the most according to claim 1, it is characterised in that be provided with connecting plate on bridge pier (102) (126), connecting plate (126) be positioned between bridge pier (102) and the 3rd support bar (122) and be positioned at bridge pier (102) with the 4th Between strut (123), the other end of the 3rd support bar (122) and the 4th support bar (123) is each attached on connecting plate (126).
10. the installation method of the bridge strengthening device described in a claim 1, it is characterised in that comprise the following steps:
(1) make the first support bar (120) and the second support bar (121) be respectively positioned on the lower section of girder (100), and make both It is parallel to girder (100), one end of the first support bar (120) and one end of the second support bar (121) is each attached to bridge simultaneously On pier (102);
(2) one end of the 3rd support bar (122) is connected with the other end of the first support bar (120), and makes the 3rd support bar (122) the other end is away from girder (100) and is fixed on bridge pier (102), by one end of the 4th support bar (123) with second The other end of strut (121) connects, and makes the other end of the 4th support bar (123) away from girder (100) and be fixed on bridge pier (102) on;
(3) power plate (125) will be led be separately positioned on the end face of the first support bar (120) and the second support bar (121),
(4) elastomeric element (124) is arranged on the end face leading power plate (125), and contacts with the bottom surface of girder (100), elastic Parts (124) and girder (100) are without active force.
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CN203188589U (en) * 2013-04-15 2013-09-11 张增娟 Rigid-frame continuous beam zero block construction bracket supporting system
CN104233961A (en) * 2014-09-30 2014-12-24 福建省第一公路工程公司 Triangular supporting bracket of suspended cast bridge block 0
CN204530510U (en) * 2015-04-09 2015-08-05 中铁第五勘察设计院集团有限公司 A kind of assembling tilt adjustable is from falling frame pier-side bracket
CN204644886U (en) * 2015-05-22 2015-09-16 中铁八局集团昆明铁路建设有限公司 Two cam combination bracket
CN205804200U (en) * 2016-07-22 2016-12-14 北京中交桥宇科技有限公司 Bridge strengthening device

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