CN207498814U - The longitudinal spliced structure of highway hollow slab girder and fixture - Google Patents
The longitudinal spliced structure of highway hollow slab girder and fixture Download PDFInfo
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- CN207498814U CN207498814U CN201721265903.8U CN201721265903U CN207498814U CN 207498814 U CN207498814 U CN 207498814U CN 201721265903 U CN201721265903 U CN 201721265903U CN 207498814 U CN207498814 U CN 207498814U
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Abstract
The purpose of this utility model is to provide a kind of longitudinal spliced structure of highway hollow slab girder and fixture.A kind of longitudinal spliced structure of highway hollow slab girder, including；And intermediate be equipped with loads the old bridge hollow slab girder in gap and new bridge hollow slab girder, multiple tap bolts being connect with one side of old bridge hollow slab girder, multiple pre-buried connection reinforcing bars that welding is corresponded set on one side of new bridge hollow slab girder and with tap bolt tail portion, the pre- pave-load layer of concrete on the outside of old bridge hollow slab girder upper end and on the outside of new bridge hollow slab girder upper end, in the space of mating formation formed between two pre- pave-load layers of concrete and bar-mat reinforcement that the fixed steel bars group of two side ends and two pre- pave-load layers of concrete connects one to one, pour in space of mating formation and load the wet junctor in succession of concrete in gap, the multipair hollow pipe arranged along longitudinal direction and be arranged in the wet junctor in succession of concrete.The longitudinal spliced structure Longitudinal joint linking stable quality of the highway hollow slab girder.
Description
Technical field
The utility model is related to road construction field, especially a kind of longitudinal spliced structure of highway hollow slab girder.
Background technology
As national communication develops rapidly, highway passes through congestion, and Expressway Widening also gradually increases, bridge longitudinal direction
Splicing is the key position of widening project quality control on construction, former longitudinal spliced technique《Expressway Widening bridge under the state that is open to traffic
Beam engineering the old and new's Hollow screws concatenation construction engineering method》GGG（Zhejiang）C3071-2008 be employ the mode of bar planting to new old bridge into
Row connection, since reinforcement welding influences the anchor force of anchoring adhesive, and anchoring adhesive dosage is also difficult to control, and is easily caused longitudinal joint disease and is led
Cause joining quality unstable.New old bridge is attached by the way of bar planting in order to overcome, since reinforcement welding influences bar planting
The anchor force of glue, and anchoring adhesive dosage is also difficult to control, and is existed and is easily caused the unstable deficiency of Longitudinal joint linking quality, therefore, if
A kind of longitudinal spliced structure of highway hollow slab girder of Longitudinal joint linking stable quality is counted, becomes urgent problem to be solved.
Utility model content
The purpose of this utility model is to overcome being attached by the way of bar planting to new old bridge at present, due to reinforcing bar
Welding influences the anchor force of anchoring adhesive, and anchoring adhesive dosage is also difficult to control, and has that easily cause Longitudinal joint linking quality unstable
Deficiency provides a kind of longitudinal spliced structure of highway hollow slab girder of Longitudinal joint linking stable quality.
The specific technical solution of the utility model is：
A kind of longitudinal spliced structure of highway hollow slab girder, including；It exists side by side setting and intermediate be equipped with loads the old of gap
Bridge hollow slab girder and new bridge hollow slab girder；The longitudinal spliced structure of highway hollow slab girder further includes：It is multiple along old bridge
One side longitudinal arrangement of hollow slab girder and the tap bolt being connect with old bridge hollow slab girder, set on one side of new bridge hollow slab girder
Number is identical with tap bolt number and the pre-buried connection reinforcing bar of welding is corresponded with tap bolt tail portion, on old bridge hollow slab girder
A pre- pave-load layer of the concrete for being embedded with fixed steel bars group is respectively provided on the outside of end outside and new bridge hollow slab girder upper end, set on two
In the space of mating formation formed between a pre- pave-load layer of concrete and two side ends and the fixed steel bars group of two pre- pave-load layers of concrete
The bar-mat reinforcement to connect one to one pours in space of mating formation and loads the wet junctor in succession of concrete in gap, multipair along vertical
To the hollow pipe for arranging and being arranged in the wet junctor in succession of concrete.The longitudinal spliced structure of highway hollow slab girder is fitted
For the longitudinal spliced of the highway new bridge hollow slab girder under the state that is open to traffic and old bridge hollow slab girder；In old bridge hollow slab girder one
Tap bolt is planted in side, and the pre-buried connection reinforcing bar set on one side of new bridge hollow slab girder is connect with tap bolt tail portion；It is cast-in-place
It is interim that fixture is set to connect new bridge hollow slab girder and old bridge hollow slab girder when building the construction of concrete wet junctor in succession, ensure old bridge
On when passing through vehicle, new bridge hollow slab girder and old bridge the hollow slab girder common stress under Vehicle Load, new bridge hollow slab girder
Deformation with old bridge hollow slab girder is continuously coordinated, and ensures the wet junctor in succession of concrete in intensity forming process not by vehicle active load
It influences, ensures that the wet junctor in succession of concrete is poured and meet regulation requirement, Longitudinal joint linking stable quality with health quality.
Preferably, longitudinally reinforced reinforcing bar group is equipped in the wet junctor in succession of the concrete.It is wet in succession to improve concrete
Junctor longitudinal strength.
Preferably, the centre-to-centre spacing of the two neighboring pre-buried connection reinforcing bar is 9cm to 12cm；Two neighboring self tapping spiral shell
The centre-to-centre spacing of bolt is corresponding with the centre-to-centre spacing of two neighboring pre-buried connection reinforcing bar.Take into account the longitudinal spliced intensity of hollow slab girder and coagulation
The wet junctor intensity in succession of soil.
Preferably, the bar-mat reinforcement is by multiple reinforced mesh structures overlapped successively and bound or welded by tied silk
Into.Transport is made conducive to bar-mat reinforcement and ensures the bonding strength of adjacent reinforced mesh.
A kind of fixture for the longitudinal spliced structure of highway hollow slab girder, the highway hollow slab girder are indulged
There is the limiting structure of the above-mentioned longitudinal spliced structure of highway hollow slab girder, the number and hollow pipe of fixture to splicing construction
Logarithm it is identical and correspond；The fixture includes：Through-hole and lower end set the upper beam there are two cushion block there are two if, if
There are two through-hole and upper ends to set the bottom end rail there are two cushion block, two fastening screws set there are two nut；In use, upper beam
The a cushion block pre- pave-load layer upper end of concrete of pushing down old bridge hollow slab girder, it is hollow that another cushion block of upper beam pushes down new bridge
The pre- pave-load layer upper end of concrete of plate-girder, a cushion block of bottom end rail push down the lower end of old bridge hollow slab girder, bottom end rail it is another
A cushion block pushes down the lower end of new bridge hollow slab girder；One fastening screw passes through a hollow pipe, and two nut one-to-one correspondence are pushed down
It upper beam upper end and bottom end rail lower end and is threadedly coupled with fastening screw；Another fastening screw pass through another hollow pipe, two
A nut one-to-one correspondence is pushed down upper beam upper end and bottom end rail lower end and is threadedly coupled with fastening screw.The mixed of cast in situs is set
The solidifying wet junctor in succession of soil, when construction, set fixture connection new bridge hollow slab girder and old bridge hollow slab girder temporarily, ensure to lead on old bridge
When crossing vehicle, new bridge hollow slab girder and old bridge the hollow slab girder common stress under Vehicle Load, new bridge hollow slab girder and old
The deformation of bridge hollow slab girder is continuously coordinated, and ensures the wet junctor in succession of concrete in intensity forming process not by vehicle active load shadow
It rings, ensures that the wet junctor in succession of concrete is poured and meet regulation requirement with health quality.
Compared with prior art, the beneficial effects of the utility model are：The highway hollow slab girder is longitudinal spliced
Structure is suitable for being open to traffic the longitudinal spliced of highway new bridge hollow slab girder under state and old bridge hollow slab girder；It is hollow in old bridge
Tap bolt is planted in one side of plate-girder, connects set on pre-buried connection reinforcing bar and the tap bolt tail portion of one side of new bridge hollow slab girder
It connects；It is interim that fixture is set to connect new bridge hollow slab girder and old bridge hollow slab girder when the existing wet junctor in succession of casting concrete is constructed, it protects
When passing through vehicle on card old bridge, new bridge hollow slab girder and old bridge the hollow slab girder common stress under Vehicle Load, new bridge sky
The deformation of core beam and old bridge hollow slab girder is continuously coordinated, and ensures the wet junctor in succession of concrete in intensity forming process not by vehicle
Mobile load influences, and ensures that the wet junctor in succession of concrete is poured and meets regulation requirement, Longitudinal joint linking stable quality with health quality.It is mixed
Longitudinally reinforced reinforcing bar group is equipped in the solidifying wet junctor in succession of soil, improves the wet junctor longitudinal strength in succession of concrete.It is two neighboring pre-buried
The centre-to-centre spacing for connecting reinforcing bar is 9cm to 12cm, the centre-to-centre spacing of two neighboring tap bolt and two neighboring pre-buried connection reinforcing bar
Centre-to-centre spacing is corresponding, takes into account the longitudinal spliced intensity of hollow slab girder and the wet junctor intensity in succession of concrete.Bar-mat reinforcement by it is multiple successively
The reinforced mesh for overlapping and being bound or being welded by tied silk is formed, and is made transport conducive to bar-mat reinforcement and is ensured adjacent reinforced mesh
Bonding strength.The wet junctor in succession of concrete of cast in situs is set, when construction set temporarily fixture connection new bridge hollow slab girder and
Old bridge hollow slab girder, when ensureing to pass through vehicle on old bridge, new bridge hollow slab girder and old bridge hollow slab girder are under Vehicle Load
Common stress, the deformation of new bridge hollow slab girder and old bridge hollow slab girder are continuously coordinated, and ensure the wet junctor in succession of concrete in intensity
It is not influenced in forming process by vehicle active load, ensures that the wet junctor in succession of concrete is poured and meet regulation requirement with health quality.
Description of the drawings
Fig. 1 is a kind of structure diagram of the utility model.
In figure：Load gap 1, old bridge hollow slab girder 2, new bridge hollow slab girder 3, tap bolt 4, pre-buried connection reinforcing bar 5, pre-
It is embedded with the pre- pave-load layer 7 of fixed steel bars group 6, concrete, space 8 of mating formation, bar-mat reinforcement 9, the wet junctor in succession 10 of concrete, hollow pipe
11st, longitudinally reinforced reinforcing bar group 12, reinforced mesh 13, through-hole 14, cushion block 15, upper beam 16, bottom end rail 17, nut 18, fastening spiral shell
Bar 19.
Specific embodiment
It is shown below in conjunction with the accompanying drawings that the utility model is described further.
As shown in Figure 1：A kind of longitudinal spliced structure of highway hollow slab girder, including；It exists side by side setting and centre is equipped with
Load the old bridge hollow slab girder 2 in gap 1 and new bridge hollow slab girder 3, it is multiple along 2 one side longitudinal arrangement of old bridge hollow slab girder and with
The tap bolt 4 of 2 tapping screw thread of old bridge hollow slab girder connection, set on 3 one side number of new bridge hollow slab girder and tap bolt 4
Number is identical and the pre-buried connection reinforcing bar 5 of welding is corresponded with 4 tail portion of tap bolt, on the outside of 2 upper end of old bridge hollow slab girder and new
The pre- pave-load layer 7 of a concrete for being embedded with fixed steel bars group 6 is respectively provided on the outside of 3 upper end of bridge hollow slab girder, set on two coagulations
In the space 8 of mating formation formed between the pre- pave-load layer 7 of soil and two side ends and the fixed steel bars group 6 one of the pre- pave-load layer 7 of two concrete
One corresponds to the bar-mat reinforcement 9 of welding, pours in space 8 of mating formation and load wet junctor 10 in succession of concrete in gap 1, multipair edge
Longitudinal arrangement and the hollow pipe 11 being arranged in the wet junctor in succession 10 of concrete.Between bar-mat reinforcement 9 and 8 bottom surface of space of mating formation away from
From more than or equal to 3cm.
Longitudinally reinforced reinforcing bar group 12 is equipped in the wet junctor in succession 10 of the concrete.
The centre-to-centre spacing of the two neighboring pre-buried connection reinforcing bar 5 is 10cm；The centre-to-centre spacing of two neighboring tap bolt 4 with
The centre-to-centre spacing of two neighboring pre-buried connection reinforcing bar 5 is corresponding.
The bar-mat reinforcement 9 is made of multiple reinforced mesh 13 for overlapping and welding successively.Two neighboring reinforced mesh 13
The lap of splice for 20cm, and the reinforcing bar of two neighboring reinforced mesh 13 is staggered 50cm.
A kind of fixture for the longitudinal spliced structure of highway hollow slab girder, the highway hollow slab girder are indulged
To splicing construction have the above-mentioned longitudinal spliced structure of highway hollow slab girder limiting structure, the number of fixture with it is hollow
The logarithm of pipe is identical and corresponds；The fixture for the longitudinal spliced structure of highway hollow slab girder includes：It is equipped with
Two through-holes 14 and lower end set the upper beam 16 there are two cushion block 15, if being set there are two through-hole 14 and upper end, there are two cushion blocks 15
Bottom end rail 17, two fastening screws 19 set there are two nut 18；In use, a cushion block 15 of upper beam 16 pushes down old bridge sky
Pre- 7 upper end of pave-load layer of concrete of core beam 2, another cushion block 15 of upper beam 16 push down the concrete of new bridge hollow slab girder 3
Pre- 7 upper end of pave-load layer, a cushion block 15 of bottom end rail 17 push down the lower end of old bridge hollow slab girder 2, another pad of bottom end rail 17
Block 15 pushes down the lower end of new bridge hollow slab girder 3；One fastening screw 19 passes through a hollow pipe 11, and two nuts 18 correspond
It pushes down 16 upper end of upper beam and 17 lower end of bottom end rail and is threadedly coupled with fastening screw 19；Another fastening screw 19 passes through another
A hollow pipe 11, two nuts 18 one-to-one correspondence push down 16 upper end of upper beam and 17 lower end of bottom end rail and with 19 screw thread of fastening screw
Connection.
The joining method of the longitudinal spliced structure of highway hollow slab girder, step 1 use reinforcing bar survey meter pair
2 one side of old bridge hollow slab girder carries out lossless detection, and marks reinforcement location in concrete surface, and electric drill is avoided to be got into when drilling
Reinforcing bar is damaged reinforcing bar, then avoids reinforcing bar and carries out 4 hole construction layout of tap bolt；Step 2, with the electricity with depthkeeping function
4 hole of tap bolt is bored, and the hole depth in 4 hole of tap bolt is checked using labeled depthkeeping bar；Step 3 uses hairbrush or steel
Brush cleaning 4 bottom hole portion of tap bolt and the concrete scum silica frost of peripheral wall, and carry out compressed gas using air blowing cylinder or air blower hole cleaner
Body borehole cleaning blows out the dust in 4 hole of tap bolt；Tap bolt 4 is pierced self tapping spiral shell by step 4 using electric impact wrench
In 4 hole of bolt, and the limit pulling capacity for detecting tap bolt 4 is not less than 56KN；Step 5, crane lift new bridge hollow slab girder 3
It is accurate in place on to new bridge seat；Step 6, with fixture clamping old bridge hollow slab girder 2 and new bridge hollow slab girder 3, the number of fixture
And one-to-one correspondence identical with the logarithm of hollow pipe 11；The fixture includes：If being set there are two through-hole 14 and lower end, there are two pad
The upper beam 16 of block 15, if setting the bottom end rail 17 there are two cushion block 15 there are two through-hole 14 and upper end, two set that there are two nuts
18 fastening screw 19；Pre- 7 upper end of pave-load layer of concrete that one cushion block 15 of upper beam 16 pushes down old bridge hollow slab girder 2, on
Pre- 7 upper end of pave-load layer of concrete that another cushion block 15 of crossbeam 16 pushes down new bridge hollow slab girder 3, a cushion block of bottom end rail 17
15 push down the lower end of old bridge hollow slab girder 2, another cushion block 15 of bottom end rail 17 pushes down the lower end of new bridge hollow slab girder 3；One
Fastening screw 19 passes through a hollow pipe 11, two nuts 18 one-to-one correspondence push down 16 upper end of upper beam and 17 lower end of bottom end rail and
It is threadedly coupled with fastening screw 19；Another fastening screw 19 passes through another hollow pipe 11, and two nuts 18 correspond pressure
It lives in 16 upper end of crossbeam and 17 lower end of bottom end rail and is threadedly coupled with fastening screw 19；Step 7,4 tail portion of tap bolt with it is pre-buried
It connects reinforcing bar 5 and corresponds welding；Step 8, bar-mat reinforcement 9 is put into space 8 of mating formation and two side ends are mated formation in advance with two concrete
The fixed steel bars group 6 of layer 7 corresponds welding；Step 9 clears up and mats formation space 8 and load gap 1 and moistening of sprinkling water, pours mixed
Solidifying wet junctor 10 in succession of soil；Concrete takes multiple spades to shovel into blanking, manually paves, it is ensured that bar-mat reinforcement 9 does not shift, is constant
Shape；Concrete is first vibrated by corner with poker vibrator, then is vibrated comprehensively with plate vibrator, and with drum roll manually into one
Step leveling；Step 10 is plastered with finisher, is carried out secondary receive and is starched, and carry out lateral brooming, brooming depth is 1.5cm, has been poured
Covering watering maintenance is carried out after, prevents wet 10 contraction fissure of junctor in succession of concrete；Step 11, will shield using diamond rope saw
The anticollision barrier of old bridge guardrail is cut and disassembled in column, and the anticollision barrier under being cut and disassembled is used as cement water horse, reduces
Cost and reduce pollution.
The beneficial effects of the utility model are：The longitudinal spliced structure of highway hollow slab girder is suitable for the shape that is open to traffic
Highway new bridge hollow slab girder and old bridge hollow slab girder under state it is longitudinal spliced；It is planted certainly in one side of old bridge hollow slab girder
Bolt is attacked, the pre-buried connection reinforcing bar set on one side of new bridge hollow slab girder is connect with tap bolt tail portion；Existing casting concrete is wet
It is interim that fixture is set to connect new bridge hollow slab girder and old bridge hollow slab girder when junctor is constructed in succession, ensure to pass through vehicle on old bridge
When, new bridge hollow slab girder and old bridge the hollow slab girder common stress under Vehicle Load, new bridge hollow slab girder and old bridge are hollow
The deformation of plate-girder is continuously coordinated, and ensures that the wet junctor in succession of concrete is not influenced in intensity forming process by vehicle active load, ensures
The wet junctor in succession of concrete is poured meets regulation requirement, Longitudinal joint linking stable quality with health quality.The wet junctor in succession of concrete
In be equipped with longitudinally reinforced reinforcing bar group, improve the wet junctor longitudinal strength in succession of concrete.The center of two neighboring pre-buried connection reinforcing bar
Away from for 9cm to 12cm, the centre-to-centre spacing of two neighboring tap bolt is corresponding with the centre-to-centre spacing of two neighboring pre-buried connection reinforcing bar, simultaneous
Care for the longitudinal spliced intensity of hollow slab girder and the wet junctor intensity in succession of concrete.Bar-mat reinforcement by it is multiple overlap successively and pass through tied silk tie up
It pricks or the reinforced mesh of welding is formed, transport is made conducive to bar-mat reinforcement and ensure the bonding strength of adjacent reinforced mesh.Setting is existing
The wet junctor in succession of concrete that pours of field, when construction, set fixture connection new bridge hollow slab girder and old bridge hollow slab girder temporarily, protect
When passing through vehicle on card old bridge, new bridge hollow slab girder and old bridge the hollow slab girder common stress under Vehicle Load, new bridge sky
The deformation of core beam and old bridge hollow slab girder is continuously coordinated, and ensures the wet junctor in succession of concrete in intensity forming process not by vehicle
Mobile load influences, and ensures that the wet junctor in succession of concrete is poured and meets regulation requirement with health quality.
The utility model can be changed it is apparent to one skilled in the art for various ways, it is such change not
Think to be detached from the scope of the utility model.The technical staff in the field is obviously changed as all, will be included
Within the scope of present claims.
Claims (5)
1. a kind of longitudinal spliced structure of highway hollow slab girder, including；It exists side by side and setting and intermediate is equipped with the old bridge for loading gap
Hollow slab girder and new bridge hollow slab girder；It is characterized in that the longitudinal spliced structure of highway hollow slab girder further includes：It is multiple
Along one side longitudinal arrangement of old bridge hollow slab girder and the tap bolt being connect with old bridge hollow slab girder, set on new bridge hollow slab girder one
Side number is identical with tap bolt number and the pre-buried connection reinforcing bar of welding is corresponded with tap bolt tail portion, and old bridge is hollow
A pre- pave-load layer of the concrete for being embedded with fixed steel bars group is respectively provided on the outside of plate-girder upper end and on the outside of new bridge hollow slab girder upper end,
In the space of mating formation formed between two pre- pave-load layers of concrete and two side ends and the fixation of two pre- pave-load layers of concrete
The bar-mat reinforcement that reinforcing bar group connects one to one pours in space of mating formation and loads the wet junctor in succession of concrete in gap, more
To arranging and being arranged in the hollow pipe in the wet junctor in succession of concrete along longitudinal direction.
2. the longitudinal spliced structure of highway hollow slab girder according to claim 1, it is characterized in that：The concrete is wet
Longitudinally reinforced reinforcing bar group is equipped in junctor in succession.
3. the longitudinal spliced structure of highway hollow slab girder according to claim 1 or 2, it is characterized in that：Two neighboring institute
The centre-to-centre spacing of pre-buried connection reinforcing bar stated is 9cm to 12cm；The centre-to-centre spacing of two neighboring tap bolt and two neighboring pre-buried company
The centre-to-centre spacing for connecing reinforcing bar is corresponding.
4. the longitudinal spliced structure of highway hollow slab girder according to claim 1 or 2, it is characterized in that：The reinforcing bar
Net is made of multiple reinforced mesh for overlapping successively and being bound or being welded by tied silk.
5. a kind of fixture for the longitudinal spliced structure of highway hollow slab girder, highway hollow slab girder longitudinal direction
Splicing construction has restriction of the claim 1 to any longitudinal spliced structure of highway hollow slab girder of claim 4
Structure, the number of fixture is identical with the logarithm of hollow pipe and corresponds；It is characterized in that the fixture includes：There are two if
Through-hole and lower end set the upper beam there are two cushion block, if there are two through-hole and upper ends to set the bottom end rail there are two cushion block, two set
There are two the fastening screws of nut；In use, the pre- pave-load layer of concrete that a cushion block of upper beam pushes down old bridge hollow slab girder
Upper end, another cushion block of upper beam push down the pre- pave-load layer upper end of concrete of new bridge hollow slab girder, a cushion block of bottom end rail
The lower end of old bridge hollow slab girder is pushed down, another cushion block of bottom end rail pushes down the lower end of new bridge hollow slab girder；One fastening screw
Across a hollow pipe, two nut one-to-one correspondence are pushed down upper beam upper end and bottom end rail lower end and are connected with fastening screw screw thread
It connects；Another fastening screw passes through another hollow pipe, and two nut one-to-one correspondence push down upper beam upper end and bottom end rail lower end
And it is threadedly coupled with fastening screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721265903.8U CN207498814U (en) | 2017-09-28 | 2017-09-28 | The longitudinal spliced structure of highway hollow slab girder and fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721265903.8U CN207498814U (en) | 2017-09-28 | 2017-09-28 | The longitudinal spliced structure of highway hollow slab girder and fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207498814U true CN207498814U (en) | 2018-06-15 |
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ID=62499649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721265903.8U Active CN207498814U (en) | 2017-09-28 | 2017-09-28 | The longitudinal spliced structure of highway hollow slab girder and fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207498814U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107740353A (en) * | 2017-09-28 | 2018-02-27 | 浙江交工宏途交通建设有限公司 | The longitudinal spliced structure of highway hollow slab girder and joining method |
| CN113430915A (en) * | 2021-06-30 | 2021-09-24 | 南京元琅建设工程有限公司 | High stability hollow slab beam |
-
2017
- 2017-09-28 CN CN201721265903.8U patent/CN207498814U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107740353A (en) * | 2017-09-28 | 2018-02-27 | 浙江交工宏途交通建设有限公司 | The longitudinal spliced structure of highway hollow slab girder and joining method |
| CN107740353B (en) * | 2017-09-28 | 2019-03-05 | 浙江交工宏途交通建设有限公司 | The longitudinal spliced structure of highway hollow slab girder and joining method |
| CN113430915A (en) * | 2021-06-30 | 2021-09-24 | 南京元琅建设工程有限公司 | High stability hollow slab beam |
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