CN207973986U - A kind of assembled combination shaped steel arch standard knot section closes up segment, adjusts segment and arch springing segment - Google Patents
A kind of assembled combination shaped steel arch standard knot section closes up segment, adjusts segment and arch springing segment Download PDFInfo
- Publication number
- CN207973986U CN207973986U CN201820178617.6U CN201820178617U CN207973986U CN 207973986 U CN207973986 U CN 207973986U CN 201820178617 U CN201820178617 U CN 201820178617U CN 207973986 U CN207973986 U CN 207973986U
- Authority
- CN
- China
- Prior art keywords
- segment
- steel arch
- connection
- shaped steel
- lower edge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 81
- 239000010959 steel Substances 0.000 title claims abstract description 81
- 238000004804 winding Methods 0.000 claims abstract description 19
- 238000003032 molecular docking Methods 0.000 claims abstract description 11
- 239000000178 monomer Substances 0.000 claims abstract description 10
- 230000007704 transition Effects 0.000 claims description 6
- 239000004567 concrete Substances 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 9
- 238000010276 construction Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 230000003601 intercostal effect Effects 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model provides a kind of assembled combination shaped steel arch standard knot section, arch springing segment, closes up segment and adjust segment, wherein, steel arch-shelf standard segment includes being composed using in the winding up of monomer structure, lower edge and connection piece, and connection piece, which is located at, to wind up between lower edge；It winds up and/or lower edge uses cross-section body structure or frame structure；Winding up, wherein end face is provided with lug boss, and the other end that winds up is provided with inner fovea part, and forms inserted type structure after the lug boss that winds up of arbitrary neighborhood segment and inner fovea part cooperation, to realize that adjacent segment winds up axial docking connection.The utility model assembled combination each segment power transmission effect of shaped steel arch is good, and stability is good, and adjacent segment connecting portion will not be caused to slide in use, and installation difficulty is small, and installation effectiveness is high, while convenient disassembly.
Description
Technical field
The utility model is related to a kind of steel arch-shelfs, and in particular to a kind of assembled combination shaped steel arch standard knot section is closed up
Segment adjusts segment and arch springing segment.
Background technology
In construction stages of arch bridge, steel arch-shelf is to realize reinforced concrete as the most important equipment measure of entire work progress
Main arch ring integral cast-in-situ is constructed indispensable technological equipment, have many advantages, such as safely, quickly, it is economical, environmentally friendly.When construction, first
Steel arch-shelf is installed, then pontic/donor is poured by prop of steel arch-shelf, is removed again after pontic/donor intensity meets the requirements
Steel arch-shelf.
Existing steel arch-shelf mainly by arch springing segment, standard segment, adjust segment and close up segment splicing form.Wherein, encircle
Foot segment is located at steel arch-shelf bottom, generally use triangulo column structure；It includes upper to close up segment, standard segment and adjust segment
String and lower edge, and upper chord length is more than lower chord length and each segment is made to be in inverted trapezoidal structure, and be used to support connection and wind up under
The diagonal brace of string；Close up segment to be located at the top of steel arch-shelf, and realizes that steel arch-shelf closes up connection, standard segment and tune by closing device
Section section section is in arch springing segment and between closing up segment；Hinge assembly is both provided with to realize adjacent segment in each segment lower edge
Lower edge be articulated and connected, each segment wind up two be provided with negative and positive bulb spiral with realize adjacent segment docking connection, by turn
Dynamic negative and positive bulb spiral realizes that steel arch-shelf camber line is adjusted to change steel arch-shelf assembly radian.
Although steel arch-shelf segment as previously described can change steel arch-shelf assembly radian to a certain extent, steel arch-shelf is whole
Stress-bearing capability is weaker, and the intersegmental power transmission effect of steel arch-shelf is poor, can typically be only used to the cast-in-situ reinforced concrete that across footpath is less than 150 meters
Arch bridge main arch ring is constructed.
Utility model content
For improve steel arch-shelf whole stress-bearing capability and the intersegmental power transmission effect of steel arch-shelf, the purpose of this utility model it
One is to provide a kind of assembled combination shaped steel arch segment.
To achieve the goals above, the utility model adopts the following technical solution.
A kind of assembled combination shaped steel arch standard knot section, it is characterised in that：Include using in the winding up of monomer structure, under
String and connection piece are composed, and connection piece, which is located at, to wind up between lower edge.
Further, it winds up and/or lower edge uses cross-section body structure or frame structure.
Further, the wherein end face that winds up is provided with lug boss, the other end that winds up is provided with inner fovea part, and arbitrary
Lug boss that adjacent segment winds up and form inserted type structure after inner fovea part cooperation, i.e., the lug boss that wherein a segment is winded up with it is another
Inserted type structure is formed after the inner fovea part cooperation that one segment is winded up, connection is axially docked to realize that adjacent segment winds up.
To further increase the power transmission effect of steel arch-shelf standard segment, above-mentioned lug boss uses frustum, above-mentioned inner fovea part to adopt
With circular hole or necking down hole, and frustum can stretch into circular hole or necking down hole and form clearance fit, interference fit or transition cooperation, with reality
Incumbent meaning adjacent segment, which winds up, axially docks connection.
To further increase the power transmission effect of steel arch-shelf standard segment, above-mentioned lug boss uses bar blocks, above-mentioned inner fovea part
Using groove, and bar blocks can stretch into groove and form clearance fit or transition cooperation, to realize peg on arbitrary neighborhood segment
It is connected to docking.
For convenience of the installation and adjusting of steel arch-shelf standard segment, end face of winding up is provided with bucking ladder, lug boss and indent
Portion is respectively positioned in the middle part of bucking ladder.
To further increase the overall stiffness and stability of steel arch-shelf standard segment, connection piece is that laminated structure joins piece, sheet
Structure connection piece is fixed on across hollow abutment sleeve on the connection piece hold-down support of the upper and lower string in segment using bolt.
To further increase the overall stiffness and stability of steel arch-shelf standard segment, it includes rectangle frame that laminated structure, which joins piece,
Body is provided with framework gusset plate in rectangular box quadrangle, hollow abutment sleeve is fixed on framework gusset plate；In rectangular box
It is inside provided with connection piece supporting rod, connection piece supporting rod is intersected in framework middle plane on connection piece supporting rod gusset plate.
To improve stability and the safety of steel arch-shelf standard segment, internode is both provided with lower edge end side wall winding up
Bolt fixed seat is connected, the upper and lower peg of bolt fixed seat upper edge is connected to through-hole is provided in internode, lock is equipped in through-hole
Tight bolt, to realize adjacent segment locking connection.
Further, lateral connection system is provided on standard segment, lateral connection system includes bearing, and bearing setting exists
The upper and lower string in segment longitudinally, laterally side；Longitudinal side bearing is connected with intersegmental transverse horizontal connection piece, transverse side bearing
It is connected with intersegmental Horizontal vertical direct connection piece, forms the intercostal lateral connection system of steel arch-shelf.
The two of the purpose of this utility model are to provide a kind of assembled combination shaped steel arch arch springing segment, including isosceles three
The angular hinged structure of arch, encircles hinged structure vertex in isosceles triangle and is provided with the cylindrical type bearing hinged with concrete saddle, waiting
The joint that lumbar triangle shape encircles hinged structure bottom edge and waist is arranged in parallel with upper and lower chord member, the one end of upper and lower chord member far from free bearing with
Standard knot is connected, and connection type is identical as the intersegmental connection type of standard, and upper and lower chord member is close to one end of free bearing and concrete
The affixed connection of skewback.
The three of the purpose of this utility model are to provide a kind of assembled combination shaped steel arch and close up segment, including using being in
The winding up of monomer structure, lower edge and connection piece are composed, and connection piece, which is located at, to wind up between lower edge；Wherein, wind up with lower edge one
End is connected with standard segment, and connection type is identical as the intersegmental connection type of standard, winds up and is provided with the other end of lower edge
The bearing being connected with closing device.
The four of the purpose of this utility model are to provide a kind of assembled combination shaped steel arch adjusting segment, use and standard
The identical structure type in segment, length are less than standard knot length.
Compared to existing negative and positive bulb screw connection type steel arch-shelf segment, the utility model assembled combines shaped steel arch section
Duan Chuanli effects are good, and stability is good, and adjacent segment connecting portion will not be caused to slide in use.
Compared to existing negative and positive bulb screw connection type steel arch-shelf segment, the utility model assembled combines shaped steel arch section
Section installation difficulty is small, and installation effectiveness is high, while convenient disassembly.
Compared to existing negative and positive bulb screw connection type steel arch-shelf segment, manufacture, installation the utility model assembled combination
Shaped steel arch segment is at low cost, time saving and energy saving without expending great amount of cost and energy processing and fabricating negative and positive bulb.In addition, this reality
With novel fabricated combination shaped steel arch segment can realize monomer manufacture, Assembling, you can will wind up, lower edge and connection piece divide
Then other pre-production is transported to Assembling, not only convenient transportation, but also easy to assembly at monomer.
The utility model assembled combines shaped steel arch segment installation accuracy height, and can realize each phase during the installation process
The automatic centering and limit of adjacent segment.
The utility model assembled combination shaped steel arch segment versatility is good, is applicable not only to small across footpath steel arch-shelf construction,
And it is suitable for large-span steel arch bridge work.
Description of the drawings
Fig. 1 is the schematic diagram (one) of steel arch-shelf standard segment in the utility model embodiment 1；
Fig. 2 is the schematic diagram (two) of steel arch-shelf standard segment in the utility model embodiment 1；
Fig. 3 is that wind up the schematic diagram of connecting portion for steel arch-shelf segment in Fig. 1；
Fig. 4 is the schematic diagram of connection piece in steel arch-shelf segment in Fig. 1；
Fig. 5 is the schematic diagram of connection piece hold-down support in steel arch-shelf segment in Fig. 1；
Fig. 6 is steel arch-shelf segment connection piece and lower edge connecting node schematic diagram in Fig. 1；
Fig. 7 is the schematic diagram that steel arch-shelf adjusts segment in the utility model embodiment 3；
Fig. 8 is the schematic diagram that steel arch-shelf closes up segment in the utility model embodiment 4；
Fig. 9 is steel arch-shelf arch springing segment schematic diagram in the utility model embodiment 5.
Specific implementation mode
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, but the explanation of following embodiment is only
It is to be used to help understand the principles of the present invention and its core concept, not to the restriction of scope of protection of the utility model.It answers
When pointing out, for those of ordinary skill in the art, without departing from the principle of this utility model, for this reality
It is also fallen into the protection domain of the utility model claims with the novel improvement carried out.
Embodiment 1
A kind of assembled combination shaped steel arch standard knot section includes as shown in Figures 1 to 6 using in the upper of monomer structure
String 1, lower edge 2 and connection piece 3 are composed, and connection piece 3, which is located at, to wind up between 1 and lower edge 2；Wind up 1 and the use cross-section case of lower edge 2
Body structure；Winding up, 1 wherein end face is provided with lug boss 5, and 1 other end that winds up is provided with inner fovea part 6, and arbitrary neighborhood section
Section wind up 1 lug boss 5 and inner fovea part 6 coordinate after form inserted type structure, i.e., the lug boss 5 that a wherein segment is winded up with it is another
Inner fovea part 6 that one segment is winded up forms inserted type structure after coordinating, to realize that adjacent segment winds up 1 axial docking connection；Under
Hinge assembly 4 is arranged in 2 end face of string, and through-hole is provided on hinge assembly 4, to realize that the axial drift-pin type of adjacent segment lower edge 2 is hinged
Connection.Further, lug boss 5 uses frustum, and inner fovea part 6 uses necking down hole or circular hole, and frustum can stretch into necking down hole or circle
Clearance fit, interference fit or transition cooperation are formed in hole, to realize that arbitrary neighborhood segment is winded up 1 axial docking connection.Segment
When assembled, it is only necessary to which frustum is inserted into necking down hole to the automatic centering and limit that can be realized between adjacent segment.
For convenience of the installation and adjusting of steel arch-shelf standard segment, as shown in Fig. 2, 1 end face of winding up is provided with bucking ladder 7,
Lug boss 5 is respectively positioned on 7 middle part of bucking ladder with inner fovea part 6.
To further increase the overall stiffness and stability of steel arch-shelf standard segment, as shown in Figure 4, Figure 5 and Figure 6, join piece
3 join piece for laminated structure, and laminated structure connection piece is fixed on segment across hollow abutment sleeve 11 using bolt 23 and winds up 1, lower edge
On 2 connection piece hold-down support 9.It includes rectangular box that laminated structure, which joins piece, and rectangular box quadrangle is provided with framework gusset plate 20,
Hollow abutment sleeve 11 is fixed on framework gusset plate 20；Connection piece supporting rod 12, supporting rod 12 are provided in rectangular box
Steel pipe may be used, angle steel, connection 3 supporting rod of piece can also be used to intersect at connection piece supporting rod gusset plate 19 in framework middle plane
On.Specifically, multiple piece hold-down supports 9 are respectively welded to supporting point position on wind up 1 and lower edge 2, in one end of steel pipe
Notch is offered, is then fastened on connection piece hold-down support 9, connection piece hold-down support 9 is made to be mutually twisted with steel pipe formation
Structure；Notch is also offered in the steel pipe other end, then notch is engaged on supporting rod gusset plate 19；Every steel pipe is distinguished
Be connected on corresponding piece hold-down support 9, and make steel pipe on supporting rod gusset plate 19 mutually cross constitute it is cross one another
Support construction.
To improve stability and the safety of steel arch-shelf standard segment, wind up 1 and 2 end side wall of lower edge be both provided with section
Between connection bolt fixed seat 21, internode connection bolt fixed seat 21 may be used structure identical with piece hold-down support 9 is joined, saving
Between 21 upper edge of connection bolt fixed seat wind up that 1, lower edge 2 is axial to be provided with through-hole 10, be equipped with clamping screw in through-hole 10
22, to realize adjacent segment locking connection.
Further, lateral connection system is provided on standard segment, lateral connection system includes bearing, and bearing setting exists
The longitudinally, laterally side of lower edge 2 on segment；Longitudinal side bearing is connected with intersegmental transverse horizontal connection piece, transverse side bearing
It is connected with intersegmental Horizontal vertical direct connection piece, forms the intercostal lateral connection system of steel arch-shelf.
Embodiment 2
A kind of assembled combines shaped steel arch standard knot section, includes using in the winding up of monomer structure, lower edge and connection piece group
It closes, connection piece, which is located at, to wind up between lower edge；It winds up and uses cross-section frame structure with lower edge；Winding up, end face is provided with
Lug boss is provided with inner fovea part in the other end that winds up, and is formed after the lug boss that winds up of arbitrary neighborhood segment and inner fovea part cooperation
Inserted type structure axially docks connection to realize that adjacent segment winds up.
Further, bucking ladder, lug boss are fixed in the middle part of bucking ladder with inner fovea part in end set of winding up；Lug boss
Using bar blocks, inner fovea part uses groove, and bar blocks can stretch into and form clearance fit in groove, to realize arbitrary neighborhood segment
1 axial docking of winding up connects.Specifically, lug boss uses two cross one another bar blocks, inner fovea part mutually to be handed over using two
The groove of fork, and bar blocks can be properly latched in groove and form clearance fit or transition cooperation；When section assembling, it is only necessary to will
Bar blocks are inserted into groove the automatic centering and limit that can be realized between adjacent segment.
The present embodiment Plays segment remaining part and structure are with reference to embodiment 1.
Embodiment 3
A kind of assembled combination shaped steel arch adjusts segment, adjust bay structural as shown in fig. 7, using with standard segment phase
Same structure type, length are less than standard knot length.When will adjust segment and standard segment and be mutually butted, adjust on segment
The pluggable cooperation of frustum forms inserted type structure in the necking down hole on standard segment, is adjusted on segment and standard segment with realizing
String docking connection.
Embodiment 4
A kind of assembled combination shaped steel arch closes up segment, includes using in the winding up of monomer structure, lower edge and connection piece group
It closes, connection piece, which is located at, to wind up between lower edge；Wherein, wind up and be connected with one end of lower edge with standard segment, connection type with
The intersegmental connection type of standard is identical, and wind up the bearing 13 for being provided with the other end of lower edge and being connected with closing device, is used for
Closing device is installed, is closed up at two sections between segment 17 after installation closing device 8 as shown in Figure 8.Segment will be closed up and adjust section
When section or standard segment are docked, closes up the frustum on segment and can be inserted into cooperation shape in the necking down hole for adjusting segment or standard segment
At inserted type structure, connection is docked to realize that adjacent segment winds up.Necking down hole can also be arranged by closing up segment and winding up, and be used for and phase
Neighbour adjusts the frustum matching docking on segment or standard segment.
Embodiment 5
A kind of assembled combination shaped steel arch arch springing segment, 18 structure of arch springing segment is as shown in figure 9, include isosceles triangle
Encircle hinged structure, encircleing hinged structure vertex in isosceles triangle is provided with the cylindrical type bearing hinged with concrete saddle, in isosceles three
The joint of the hinged structure bottom edge of angular arch and waist is arranged in parallel with upper and lower chord member, upper and lower chord member one end and standard far from free bearing
Section is connected, and connection type is identical as the intersegmental connection type of standard, and upper and lower chord member is close to one end of free bearing and concrete saddle
Affixed connection.
Claims (10)
1. a kind of assembled combines shaped steel arch standard knot section, it is characterised in that：Include using winding up in monomer structure（1）、
Lower edge（2）With connection piece（3）It is composed, joins piece（3）Positioned at winding up（1）With lower edge（2）Between；It winds up（1）And/or lower edge（2）
Using cross-section body structure or frame structure；It is winding up（1）Wherein end face is provided with lug boss（5）, winding up（1）It is another
End is provided with inner fovea part（6）, and arbitrary neighborhood segment is winded up（1）Lug boss（5）With inner fovea part（6）Inserted type is formed after cooperation
Structure, to realize that adjacent segment winds up（1）Axial docking connection.
2. assembled according to claim 1 combines shaped steel arch standard knot section, it is characterised in that：The lug boss（5）
Using frustum, the inner fovea part（6）Using circular hole or necking down hole, and frustum can stretch into formation gap in circular hole or necking down hole and match
Conjunction, interference fit or transition cooperation, to realize that arbitrary neighborhood segment is winded up（1）Axial docking connection.
3. assembled according to claim 1 combines shaped steel arch standard knot section, it is characterised in that：The lug boss（5）
Using bar blocks, the inner fovea part（6）Using groove, and bar blocks can stretch into groove and form clearance fit or transition cooperation,
To realize that arbitrary neighborhood segment is winded up（1）Axial docking connection.
4. assembled according to claim 1,2 or 3 combines shaped steel arch standard knot section, it is characterised in that：On described
String（1）End face is provided with bucking ladder（7）, the lug boss（5）With the inner fovea part（6）It is respectively positioned on bucking ladder（7）Middle part.
5. assembled according to claim 4 combines shaped steel arch standard knot section, it is characterised in that：The piece is sheet
Structure joins piece, and laminated structure joins piece and uses bolt（23）Across hollow abutment sleeve（11）It is fixed on the connection piece of the upper and lower string in segment
Hold-down support（9）On.
6. assembled according to claim 5 combines shaped steel arch standard knot section, it is characterised in that：The laminated structure connection
Piece includes rectangular box, and rectangular box quadrangle is provided with framework gusset plate（20）, in framework gusset plate（20）Upper fixation is free
Heart abutment sleeve（11）；Connection piece supporting rod is provided in rectangular box（12）, join piece supporting rod（12）In framework middle plane
Intersect at connection piece supporting rod gusset plate（19）On；It winds up described（1）With the lower edge（2）End side wall is both provided with internode company
Connecting bolt fixed seat（21）, bolt fixed seat is connected in internode（21）The upper and lower peg of upper edge is to being provided with through-hole（10）, in through-hole
（10）Inside it is equipped with clamping screw（22）, to realize adjacent segment locking connection.
7. assembled according to claim 6 combines shaped steel arch standard knot section, it is characterised in that：It is provided on segment
Lateral connection system, lateral connection system include bearing, and bearing setting is winded up in segment（1）, lower edge（2）Longitudinally, laterally side, indulge
It is connected to side bearing with intersegmental transverse horizontal connection piece, transverse side bearing is connected with intersegmental Horizontal vertical direct connection piece.
8. a kind of assembled combination shaped steel arch arch springing segment, it is characterised in that：Encircle hinged structure including isosceles triangle, in isosceles
Triangle encircles hinged structure vertex and is provided with the cylindrical type bearing hinged with concrete saddle, encircles hinged structure bottom edge in isosceles triangle
It is arranged in parallel with upper and lower chord member with the joint of waist, the one end of upper and lower chord member far from free bearing is connected with standard knot, connection type
It is identical as the claim 1-7 intersegmental connection types of any one of them standard.
9. a kind of assembled combination shaped steel arch closes up segment, it is characterised in that：Include using in the winding up of monomer structure, lower edge
It is composed with connection piece, connection piece, which is located at, to wind up between lower edge；It winds up and is connected with one end of lower edge with standard segment, connection type
It is identical as the claim 1-7 intersegmental connection types of any one of them standard, wind up with the other end of lower edge be provided with
The connected bearing of closing device.
10. a kind of assembled combination shaped steel arch adjusts segment, it is characterised in that：Using with described in claim any one of 1-7
The identical structure type in standard segment, and adjust segmental length be less than standard segmental length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820178617.6U CN207973986U (en) | 2018-02-01 | 2018-02-01 | A kind of assembled combination shaped steel arch standard knot section closes up segment, adjusts segment and arch springing segment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820178617.6U CN207973986U (en) | 2018-02-01 | 2018-02-01 | A kind of assembled combination shaped steel arch standard knot section closes up segment, adjusts segment and arch springing segment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207973986U true CN207973986U (en) | 2018-10-16 |
Family
ID=63766708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820178617.6U Expired - Fee Related CN207973986U (en) | 2018-02-01 | 2018-02-01 | A kind of assembled combination shaped steel arch standard knot section closes up segment, adjusts segment and arch springing segment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207973986U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110106774A (en) * | 2018-02-01 | 2019-08-09 | 重庆标王机械设备有限公司 | A kind of assembled combination shaped steel arch segment |
| CN110616635A (en) * | 2019-08-12 | 2019-12-27 | 中交二航局第二工程有限公司 | Closure structure and lowering dislocation closure method of hybrid beam rigid frame bridge under strong surge condition |
| CN110616636A (en) * | 2019-08-12 | 2019-12-27 | 中交二航局第二工程有限公司 | Closure structure of hybrid beam rigid frame bridge under strong surge condition and method for lifting staggered closure |
-
2018
- 2018-02-01 CN CN201820178617.6U patent/CN207973986U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110106774A (en) * | 2018-02-01 | 2019-08-09 | 重庆标王机械设备有限公司 | A kind of assembled combination shaped steel arch segment |
| CN110106774B (en) * | 2018-02-01 | 2024-06-21 | 重庆标王机械设备有限公司 | Assembled combination type steel arch centering section |
| CN110616635A (en) * | 2019-08-12 | 2019-12-27 | 中交二航局第二工程有限公司 | Closure structure and lowering dislocation closure method of hybrid beam rigid frame bridge under strong surge condition |
| CN110616636A (en) * | 2019-08-12 | 2019-12-27 | 中交二航局第二工程有限公司 | Closure structure of hybrid beam rigid frame bridge under strong surge condition and method for lifting staggered closure |
| CN110616636B (en) * | 2019-08-12 | 2020-12-25 | 中交二航局第二工程有限公司 | Closure structure of hybrid beam rigid frame bridge under strong surge condition and method for lifting staggered closure |
| CN110616635B (en) * | 2019-08-12 | 2020-12-25 | 中交二航局第二工程有限公司 | Closure structure and lowering dislocation closure method of hybrid beam rigid frame bridge under strong surge condition |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207973986U (en) | A kind of assembled combination shaped steel arch standard knot section closes up segment, adjusts segment and arch springing segment | |
| CN205153536U (en) | Structure is assembled to self -balancing integral template of reinforced concrete roof beam | |
| CN110407108A (en) | A kind of gantry crane device for bridge construction | |
| CN210888971U (en) | Folding arch frame and multi-pin folding arch frame | |
| CN110106774A (en) | A kind of assembled combination shaped steel arch segment | |
| CN110106773B (en) | Large-span steel arch frame | |
| CN207862747U (en) | A kind of large-span steel arch | |
| CN111945569B (en) | Small-angle inclined steel arch tower support-free in-situ assembly type asymmetric tensioning assembly construction method | |
| CN206512607U (en) | Steel truss beam bolt applies stubborn operating platform | |
| CN204298962U (en) | A kind of Novel connection node structure | |
| CN214534836U (en) | Fixing device is used in natural gas line construction | |
| CN206784613U (en) | A kind of shape for hat steel-tube construction beam and the attachment structure in the middle part of square column | |
| CN215519167U (en) | Inverted triangular truss splicing construction node | |
| CN204703310U (en) | Concrete column reinforcing joint structure | |
| CN206707126U (en) | A kind of steel concrete supporting adjustable type straight screw sleeve | |
| CN209277089U (en) | The cast-in-place beam template hanging supporting device of long piled wharf and support system | |
| CN106150120A (en) | A kind of building progressive collapse-resisting bracing means utilizing steel bonding glue | |
| CN102425121B (en) | Arch frame capable of adapting to various arch ring shape parameters | |
| CN202164729U (en) | Knee brace structure between beams of different heights | |
| CN208815685U (en) | A kind of rigid joint of the girder steel that girder steel is through and concrete column | |
| CN111411696A (en) | Connecting structure for space pipe truss node and construction method thereof | |
| CN206370239U (en) | A kind of bridge structural model device | |
| CN111172863A (en) | Bridge pier column reinforcing bar location placenta | |
| CN205134553U (en) | Rigid connection node of steel -pipe column and girder steel | |
| CN105113382A (en) | Inclined-strut and double-web connection structure for steel truss with auxiliary purlins |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181016 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |