CN106522108A - Cast-in-place beam scaffold without temporary piers - Google Patents
Cast-in-place beam scaffold without temporary piers Download PDFInfo
- Publication number
- CN106522108A CN106522108A CN201611233092.3A CN201611233092A CN106522108A CN 106522108 A CN106522108 A CN 106522108A CN 201611233092 A CN201611233092 A CN 201611233092A CN 106522108 A CN106522108 A CN 106522108A
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- China
- Prior art keywords
- arch
- cast
- underframe
- temporary piers
- support
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to a cast-in-place beam scaffold without temporary piers comprising a plurality of arched underframes which in parallel and transversely stretch across the part between two adjacent pier shafts and are located below the cast-in-place beam. A plurality of longitudinal connecting frames longitudinally stretch across and are connected with all the arched underframes. Bowl-scaffolds vertically stand between the arched underframes and the bottom of the cast-in-place beam. The cast-in-place beam scaffold without temporary piers has the advantages that the ground requirement is low and the arched underframes are removable and reused with a high utilization rate by using the arched underframes instead of the original scaffolds to eliminate the need of constructing the temporary piers, the arched underframes have a good stability because the arched underframes are connected by the longitudinal connecting frames, and because of the dense distribution pattern of the arched underframes, the bowl-scaffolds are easy to be mounted on the arched underframes and no bailey beams are needed at the bottom of the cast-in-place beam thereby reducing the overall weight and benefiting the construction.
Description
Technical field
The present invention relates to a kind of technical field of bridge construction, more particularly to a kind of Cast-in-situ Beam is without Temporary Piers support.
Background technology
Rack construction refers to installation form, assembling reinforcement skeleton on support, and the construction of cast on-site concrete, by
Relatively easy, the cost relative moderate in its construction, and be highly suitable for monolithic construction, therefore in bridge construction, especially
It is widely used in the construction of urban interchange and overpass.It is the most frequently used in the version of conventional stent at present to have
Full hall scaffold, i.e., using components such as stupefied beam, column, connectors, by the spacing and step pitch that control steel pipe scaffold tubes vertical rod, if
The construction measures such as bridging are put, support is arranged to into geometrically stable system, the maximum feature of this support is can assembling degree
It is high, suitable for pier shaft is highly relatively low and the preferable situation of geological condition.
For full hall scaffold, shortcoming is：Construction measure is more, and peace tears more lengthy and tedious open；Need to build some Temporary Piers, it is right
Foundation requirement is higher, and the bearing capacity and deformation of soil supporting layer and weak substratum are required to check checking computations, it is ensured that the two is relating to
And within the scope of allowing, and for whole bridge to be set up the ground scope of support scaffold tubes, the bearing capacity of ground and change
Shape is intended to meet and requires.
Temporary Piers are built in order to exempt, more than prior art, makes support " take root " on pier shaft using supplementary structure.In patent
Number for 201410090730.5 patent of invention in mention it is a kind of be capable of achieving it is cast-in-place without cushion cap approach viaduct concrete box beam limited bracket
Supporting structure, using new device hooping structure, in the case of realizing below access bridge pier shaft without cushion cap, in end bay position
The hooping structure by being used in turn repeatedly is put, support is solved and " is taken root " problem.Patent No. 201020264743.7
Utility model patent mentions the bracket in a kind of construction for high pier capping beam, the bracket insertion that wherein the lower edge end of truss is arranged
Reserve on pier shaft in the hole of special handling, remove the works such as basement process and pressure testing when constructing using raft support method from
Sequence, effectively improves efficiency of construction.
In said structure, support must be fixed on pier shaft by certain structure, either dismountable anchor ear knot
Truss structure in structure, or insertion pier shaft, is required for being constructed on pier shaft, with certain danger, also to pier shaft
Produce certain damage.
The content of the invention
The technical problem to be solved in the present invention be to provide it is a kind of to pier shaft without damage Cast-in-situ Beam without Temporary Piers support.
To solve above-mentioned technical problem, the technical scheme is that：A kind of Cast-in-situ Beam without Temporary Piers support, its innovative point
It is：Including
Some arch underframe, parallel across between two adjacent pier shafts, and are located at below Cast-in-situ Beam；
Some longitudinally connected framves, indulge mid-span on all arch underframe, and
Bowl button support, vertically stands in great numbers between arch underframe and Cast-in-situ Beam bottom.
Further, the arch underframe two ends support and are arranged on pier shaft cushion cap upper surface, by some symmetrical arches
Section fixation is spliced.
Further, each described arch section have front splicing end face and after splice end face, by forward and backward between adjacent arch section
Splice ends are in the face of closing connection.
Further, encircle section with odd number section, respectively some symmetrical sides are encircleed units and set up and be connected to side arch list
Crown unit in unit, before the side arch unit, splice ends face has a groove extended into arch section, and rear splice ends face has
One is embedded in the convex body of cooperation with the groove in adjacent arch section, and the forward and backward splicing end face of the crown unit with perpendicular is in
45°。
Further, before the arch section, splice ends face has a groove extended into arch section, and rear splice ends face has one
The convex body of cooperation is embedded in the groove in adjacent arch section.
Further, the cushion cap upper surface is with a sagging recess installed for arch underframe.
Further, there is uniform bowl to buckle stand base for the arch underframe upper surface, the pedestal be by transverse slat and
The right-angle array plate that riser is surrounded, the combination plate opening are installed towards arch underframe.
Further, the link includes some connection segments between arch underframe, the connection segment
Between adjacent arcuate tray side, and the end of connection segment has the flange for being connected to arch tray side.
Further, connected by lacing wire between the arch underframe bottom.
It is an advantage of the current invention that：
（1）Original support is substituted using arch underframe, Temporary Piers need not be built, low to foundation requirement, arch underframe is detachable
Reuse, utilization rate is high；Connected using link between arch underframe, good stability；Due to the dense distribution of arch underframe
Pattern, is easily installed bowl button support thereon, and Cast-in-situ Beam bottom mitigates overall weight without using Bailey beam, favourable to constructing.
（2）When arch underframe span is larger, arch underframe is spliced to form using arch section, is easy to make, transport and install.
（3）It is the grafting cooperation of groove and convex body between arch section, coordinates firm between arch section, be difficult to release, between arch section
Compress mutually under gravity, weight capacity is good.
（4）Side arch unit adopts the grafting of groove and convex body to coordinate, and is connected firmly, and crown unit is faced only with splice ends
The mode installed is closed, is conducted oneself with dignity using crown unit and its upper pressure, is realized snapping tight against, simple structure, it is easy to assemble.
（5）As direct cross force is not received on arch underframe, arch underframe is spacing i.e. only by recess etc. in cushion cap upper end
Can, simple structure, easy construction.
（6）Chain-wales are made using combination plate on arch underframe, is installed for the rim of a bowl support, the rim of a bowl support installs jail
Gu, support stability can ensure that.
（7）Link is arranged on arch tray side, will not the installation of bowl button support be caused to interfere, and the company of stagewise
Frame is connect, is readily transported and is installed.
（8）Arch underframe bottom under the weight can expand outwardly, and the setting of lacing wire prevents expansion so that arch-shaped bottom bottom
Frame structure is more stable.
Description of the drawings
Fig. 1 is a kind of embodiment one schematic diagram of the Cast-in-situ Beam of the invention without Temporary Piers support.
Fig. 2 is the top view of a kind of arch underframe of the Cast-in-situ Beam of the invention without Temporary Piers support and longitudinally connected frame.
Fig. 3 is a kind of arch section schematic diagram of the Cast-in-situ Beam of the invention without Temporary Piers support.
A kind of crown cell schematics of embodiment one of the Cast-in-situ Beam without Temporary Piers support of Fig. 4 present invention.
Fig. 5 is a kind of arch underframe of the Cast-in-situ Beam of the invention without Temporary Piers support and cushion cap connection diagram
Fig. 6 is a kind of embodiment two schematic diagram of the Cast-in-situ Beam of the invention without Temporary Piers support.
Specific embodiment
Embodiment one
As shown in Figure 1 and Figure 2, the invention discloses a kind of Cast-in-situ Beam is without Temporary Piers support, including
Some arch underframe, parallel across between two adjacent pier shafts, and are located at below Cast-in-situ Beam；
Some longitudinally connected framves, indulge mid-span on all arch underframe, and
Bowl button support 1, vertically stands in great numbers between arch underframe and Cast-in-situ Beam bottom.
Arch underframe two ends support and are arranged on 2 cushion cap of pier shaft, 4 upper surface, by some symmetrical arch sections fixation splicings
Into；Each arch section has front splicing end face 54 and rear splicing end face 51, by forward and backward splicing end face 54,51 between adjacent arch section
Pairing connects, and when arch section number is odd number, as shown in Figure 3, Figure 4, respectively some symmetrical sides are encircleed units 5 and set up and connect
Encircle the crown unit 7 on unit 5 in side, splice end face 54 before the arch unit 5 of side with a groove 53 extended into arch section, after
Convex body 52 of the splicing end face 51 with one with the embedded cooperation of groove 53 in adjacent arch section, 7 forward and backward splicing end face of crown unit
54th, 51 is in 45 ° with perpendicular, near the side of crown unit 7 for 5 Mosaic face of unit is and the cooperation of 7 Mosaic face of crown unit
Face, un-grooved 53, side encircle unit 5 according to firmly chimeric with the presence of convex body 52 in groove 53, and the pressure from top makes
More closely coordinate, without fit structure between crown unit 7 and side arch unit 5, only rely on crown unit 7 and conduct oneself with dignity and be pressed in top
Pressure on arch unit 7, the forward and backward splicing end face 54,51 of crown unit 7 is firmly compressed for 5 Mosaic face of unit with the side of both sides matches somebody with somebody
Close, and weight is heavier, coordinate more firm.
As shown in figure 5,4 upper surface of cushion cap is with a sagging recess 41 installed for arch underframe, the side with lowermost end
Arch unit 5 coordinates, and the rear end face of the side arch unit 5 of lowermost end is the convex surface coordinated with recess 41；
There is uniform bowl to buckle stand base 3 for arch underframe upper surface, and pedestal 3 is the right-angle array plate surrounded by transverse slat and riser
Part, the combination plate opening are installed towards arch underframe, are that bowl button support 1 provides smooth mounting platform.
As shown in Fig. 2 link includes some connection segments 8 between arch underframe, connection segment 8 is arranged on
Between adjacent arcuate tray side, and the end of connection segment 8 has the flange for being connected to arch tray side, and link is also
The structure of segmentation, is easy to dismount and transports, while and do not interfere with each other with bowl button support, pass through lacing wire between arch underframe bottom
Connection, prevents arch underframe from outwards deforming under pressure, it is ensured that the shape stability of arch underframe.
Embodiment two
As shown in Fig. 3, Fig. 5, Fig. 6, on the basis of embodiment one, arch section number is even number, splices end face 54 before all arch sections
With one to the groove 53 that extends in arch section, splice afterwards end face 51 with one it is embedded with the groove 53 in adjacent arch section coordinate it is convex
Body 52, the cooperation between adjacent arch section by groove 53 with convex body 52 mutually plug cooperation, with embodiment side arch 5 shapes of segmentation
Identical, such structure is adapted to arch underframe of the hop count for Arbitrary Digit, and the requirement to Mosaic face pairing splicing between arch section is not
Height, is adapted to less demanding cast-in-place boom support.
The ultimate principle and principal character of the present invention has been shown and described above.It should be understood by those skilled in the art that,
The present invention is not restricted to the described embodiments, merely illustrating the principles of the invention described in above-described embodiment and description,
Without departing from the spirit and scope, the present invention also has various changes and modifications, and these changes and improvements all fall
Enter in scope of the claimed invention.The claimed scope of the invention is by appending claims and its equivalent thereof.
Claims (9)
1. a kind of Cast-in-situ Beam is without Temporary Piers support, it is characterised in that：Including
Some arch underframe, parallel across between two adjacent pier shafts, and are located at below Cast-in-situ Beam；
Some longitudinally connected framves, indulge mid-span on all arch underframe, and
Bowl button support, vertically stands in great numbers between arch underframe and Cast-in-situ Beam bottom.
2. a kind of Cast-in-situ Beam according to claim 1 is without Temporary Piers support, it is characterised in that：The arch underframe two ends
Support is arranged on pier shaft cushion cap upper surface, is fixed by some symmetrical arch sections and is spliced.
3. a kind of Cast-in-situ Beam according to claim 2 is without Temporary Piers support, it is characterised in that：Each described arch section has front
Splicing end face and after splice end face, between adjacent arch section by forward and backward splice ends in the face of close connect.
4. a kind of Cast-in-situ Beam according to claim 3 is without Temporary Piers support, it is characterised in that：Encircle section with odd number section, point
Not Wei some symmetrical sides arch units and the crown unit for setting up and being connected on the arch unit of side, splice ends before the side arch unit
With a groove extended into arch section, rear splice ends face has one to be embedded in the convex body of cooperation with the groove in adjacent arch section in face,
The crown unit is forward and backward to splice end face with perpendicular in 45 °.
5. a kind of Cast-in-situ Beam according to claim 3 is without Temporary Piers support, it is characterised in that：Splice end face before the arch section
With a groove extended into arch section, rear splice ends face has one to be embedded in the convex body of cooperation with the groove in adjacent arch section.
6. a kind of Cast-in-situ Beam according to claim 1 is without Temporary Piers support, it is characterised in that：The cushion cap upper surface has
The one sagging recess installed for arch underframe.
7. a kind of Cast-in-situ Beam according to claim 1 is without Temporary Piers support, it is characterised in that：The arch underframe upper surface
With uniform bowl button stand base, the pedestal is the right-angle array plate surrounded by transverse slat and riser, and the combination plate is opened
Mouth is installed towards arch underframe.
8. a kind of Cast-in-situ Beam according to claim 1 is without Temporary Piers support, it is characterised in that：The link includes installing
Some connection segments between arch underframe, the connection segment are arranged between adjacent arcuate tray side, and connection point
The end of section has the flange for being connected to arch tray side.
9. a kind of Cast-in-situ Beam according to claim 1 is without Temporary Piers support, it is characterised in that：The arch underframe bottom it
Between by lacing wire connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611233092.3A CN106522108B (en) | 2016-12-28 | 2016-12-28 | A kind of Cast-in-situ Beam is without Temporary Piers stent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611233092.3A CN106522108B (en) | 2016-12-28 | 2016-12-28 | A kind of Cast-in-situ Beam is without Temporary Piers stent |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106522108A true CN106522108A (en) | 2017-03-22 |
| CN106522108B CN106522108B (en) | 2018-07-03 |
Family
ID=58337856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611233092.3A Active CN106522108B (en) | 2016-12-28 | 2016-12-28 | A kind of Cast-in-situ Beam is without Temporary Piers stent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106522108B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201395769Y (en) * | 2009-05-27 | 2010-02-03 | 四川路桥建设股份有限公司 | Tie bar arch type bracket used for building bridge pylon concrete upper cross beam |
| CN101824800A (en) * | 2010-04-28 | 2010-09-08 | 中铁三局集团有限公司 | Method for construction of bridge cast-in-situ pre-stressed concrete continuous beam |
| KR20140012819A (en) * | 2012-07-23 | 2014-02-04 | 주식회사동일기술공사 | Arch type construction using high strength concrete |
| CN203559331U (en) * | 2013-11-06 | 2014-04-23 | 中铁第一勘察设计院集团有限公司 | Reactive powder concrete deck type arch bridge of railway |
| CN105887692A (en) * | 2016-05-10 | 2016-08-24 | 济南城建集团有限公司 | Arch bridge supporting tool for improving arch bridge construction stability and construction method thereof |
| CN206581148U (en) * | 2016-12-28 | 2017-10-24 | 中铁十四局集团第二工程有限公司 | A kind of Cast-in-situ Beam is without Temporary Piers support |
-
2016
- 2016-12-28 CN CN201611233092.3A patent/CN106522108B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201395769Y (en) * | 2009-05-27 | 2010-02-03 | 四川路桥建设股份有限公司 | Tie bar arch type bracket used for building bridge pylon concrete upper cross beam |
| CN101824800A (en) * | 2010-04-28 | 2010-09-08 | 中铁三局集团有限公司 | Method for construction of bridge cast-in-situ pre-stressed concrete continuous beam |
| KR20140012819A (en) * | 2012-07-23 | 2014-02-04 | 주식회사동일기술공사 | Arch type construction using high strength concrete |
| CN203559331U (en) * | 2013-11-06 | 2014-04-23 | 中铁第一勘察设计院集团有限公司 | Reactive powder concrete deck type arch bridge of railway |
| CN105887692A (en) * | 2016-05-10 | 2016-08-24 | 济南城建集团有限公司 | Arch bridge supporting tool for improving arch bridge construction stability and construction method thereof |
| CN206581148U (en) * | 2016-12-28 | 2017-10-24 | 中铁十四局集团第二工程有限公司 | A kind of Cast-in-situ Beam is without Temporary Piers support |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106522108B (en) | 2018-07-03 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20221208 Address after: 271000, Dongyue Avenue, Daiyue District, Shandong, Tai'an Patentee after: THE SECOND ENGINEERING CO., LTD. OF CHINA RAILWAY 14TH BUREAU GROUP Co.,Ltd. Patentee after: TIEZHENG TESTING TECHNOLOGY Co.,Ltd. Address before: 271000, Dongyue Avenue, Daiyue District, Shandong, Tai'an Patentee before: THE SECOND ENGINEERING CO., LTD. OF CHINA RAILWAY 14TH BUREAU GROUP Co.,Ltd. |
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| TR01 | Transfer of patent right |