CN113981796A - Recyclable movable trestle - Google Patents
Recyclable movable trestle Download PDFInfo
- Publication number
- CN113981796A CN113981796A CN202111096805.7A CN202111096805A CN113981796A CN 113981796 A CN113981796 A CN 113981796A CN 202111096805 A CN202111096805 A CN 202111096805A CN 113981796 A CN113981796 A CN 113981796A
- Authority
- CN
- China
- Prior art keywords
- members
- rigid frame
- truss structure
- splicing
- splicing members
- 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.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 230000003139 buffering effect Effects 0.000 claims description 6
- 210000003141 lower extremity Anatomy 0.000 claims description 5
- 238000004064 recycling Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 5
- 230000002411 adverse Effects 0.000 abstract description 2
- 238000009412 basement excavation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 210000003414 extremity Anatomy 0.000 description 1
- 239000004746 geotextile Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011376 self-consolidating concrete Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D6/00—Truss-type bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D15/00—Movable or portable bridges; Floating bridges
- E01D15/12—Portable or sectional bridges
- E01D15/127—Portable or sectional bridges combined with ground-supported vehicles for the transport, handling or placing of such bridges or of sections thereof
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D18/00—Bridges specially adapted for particular applications or functions not provided for elsewhere, e.g. aqueducts, bridges for supporting pipe-lines
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/005—Piers, trestles, bearings, expansion joints or parapets specially adapted for portable or sectional bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
- E01D19/125—Grating or flooring for bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/30—Metal
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to a recyclable movable trestle, which overcomes the problem that traffic is adversely affected by construction cut-off in the prior art, and has the advantages of simple structure, convenience in use and obvious effect. The invention comprises an assembled truss structure, wherein the assembled truss structure is arranged on a rigid frame type assembled pier, a channel plate is arranged on the truss structure, a buffer ramp plate is arranged outside the truss structure, and a movement limiting device is arranged below the rigid frame type assembled pier. The spliced truss structure comprises upper chord splicing members and lower chord splicing members, the upper chord splicing members and the lower chord splicing members are connected through web members, transverse and longitudinal connecting systems are connected through transverse and longitudinal connecting tie members, and cross beam pieces and longitudinal beam pieces are arranged between the upper chord splicing members and between the lower chord splicing members.
Description
The technical field is as follows:
the invention belongs to the technical field of traffic engineering, and relates to a recyclable movable trestle.
Background art:
the construction of the broken road often has great influence on traffic, the construction safety risk of the shallow-buried underground excavation method adopted for avoiding the broken road is higher, and engineering accidents happen sometimes; although the construction by adopting the cover-excavation method can reduce the time of the broken path, the construction efficiency is not high; and shallow buried excavation and covered excavation are not economical compared with open excavation methods. Therefore, in order to avoid the serious influence of open cut road breaking construction on traffic, the recyclable movable trestle is developed, can be quickly erected on two sides of a road foundation pit, meets the driving requirement of vehicles, can ensure normal construction below the trestle, and has important significance on the current urban construction with short traffic resources.
The invention content is as follows:
the invention aims to provide a recyclable movable trestle, which overcomes the adverse effect of open cut road on traffic in the prior art, and has the advantages of simple structure, convenient use and obvious effect.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a circulated use removes landing stage which characterized in that: including pin-connected panel truss structure, pin-connected panel truss structure sets up on the mound is assembled to rigid frame formula, and the structural access board that is provided with of truss is provided with the buffering ramp board outward, is provided with removal stop device under the mound is assembled to rigid frame formula.
The spliced truss structure comprises upper chord splicing members and lower chord splicing members, the upper chord splicing members and the lower chord splicing members are connected through web members, transverse and longitudinal connecting systems are connected through transverse and longitudinal connecting tie members, and cross beam pieces and longitudinal beam pieces are arranged between the upper chord splicing members and between the lower chord splicing members.
The rigid frame type assembled pier body is composed of a trapezoidal prefabricated rigid frame, the cap beam is composed of prefabricated components, the pier body is connected with the cap beam through connecting reinforcing steel bars, and the lower limbs of the pier body are directly embedded in reserved bell and spigot holes of the foundation.
The spliced truss structure intersection nodes are connected through the gusset plates, the rod pieces are connected onto the gusset plates through bolts, and the beam piece connecting positions are connected through the bolts.
The assembled truss structure adopts a triangular truss, the longitudinal connection system adopts a crossed system, and the bridge portal frame is arranged at the inclined beam at the end.
A movable limiting device is arranged below the rigid frame type assembling pier and comprises universal wheels and connecting and fixing holes.
Compared with the prior art, the invention has the following advantages and effects:
the invention has simple structure, can be prefabricated in advance, is convenient to install, reduces the operation time of workers, is convenient to use, has obvious effect and is suitable for popularization and application.
Description of the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the sectional truss structure of the present invention;
fig. 3 is a schematic structural view of a rigid erection block according to the present invention.
In the figure, 1-upper chord splicing rod piece; 2-splicing the rod pieces by the lower chord; 3-web member bar; 4-connecting tie bars in the transverse and longitudinal directions; 5-beam piece of the beam; 6-longitudinal beam piece; 7-a channel plate; 8-rigid frame type assembly piers; 9-buffering the ramp plate; 10-gusset plate; 11-moving a stop device; 12-trapezoidal prefabricated rigid frame, 13-prefabricated component.
The specific implementation mode is as follows:
in order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention relates to a recyclable movable trestle, which comprises a prefabricated truss component, a channel plate, an assembled pier and a buffering slope plate, wherein the prefabricated truss component can be used for splicing an upper chord member 1, a lower chord member 2, web members 3, a transverse connecting system, a longitudinal connecting system, a cross beam and a longitudinal beam of a tunnel to form an upper structure of the bridge. The invention comprises an upper chord splicing member 1, a lower chord splicing member 2, web members 3, transverse and longitudinal connecting tie members 4, beam pieces 5 and longitudinal beam pieces 6, wherein the number is determined according to the actual required span. The upper chord splicing member pieces 1 are connected with the lower chord splicing member pieces 2 through web member pieces 3, the transverse and longitudinal connecting systems are connected through transverse and longitudinal connecting system member pieces 4, and the cross beam pieces 5 and the longitudinal beam pieces 6 are arranged between the upper chord splicing member pieces 1 and between the lower chord splicing member pieces 2. The prefabricated rod piece adopts an H-shaped section, and the material adopts Q345 steel. The prefabricated beam piece 5 and the longitudinal beam piece 6 adopt I-shaped sections, and Q345 steel is adopted as a material. The main truss junction is connected by the gusset plate 10, the member bar is connected on the gusset plate 10 by high-strength bolts, the beam piece junction is also connected by high-strength bolts, and the high-strength bolts are M22 type high-strength bolts. The main truss is a triangular truss, the longitudinal connection system is a cross system, and the end oblique beam is arranged out of the bridge portal frame.
The channel plate 7 is directly erected above the beam longitudinal beams. The channel plate 7 adopts a self-compacting concrete layer, the base adopts C40 concrete, the supporting layer adopts hydraulic mixture, a geotextile isolating layer with the thickness of 4mm is arranged on the top surface of the base, a composite elastic rubber cushion layer with the thickness of 10mm is arranged around the groove, and the connection between the base and the channel plate is realized through an embedded sleeve and embedded steel bars above the channel plate. The trestle adopts a rigid frame type assembled pier 8, the pier body consists of two trapezoidal prefabricated rigid frames 12, and the cap beam consists of two prefabricated components 13. The pier body rigid frame is connected with the cap beam by virtue of the connecting steel bars reserved at the upper part of the pier body rigid frame, and the lower limbs of the rigid frame are directly embedded and fixed in the reserved bell and spigot holes of the foundation. The section sizes of two limbs of the rigid frame type assembly pier 8 pier body are 40cm multiplied by 45cm, the clear distance between the two rigid frames is 1.6m, and the movable limiting device 11 is arranged below the rigid frame type assembly pier 8 and can be rapidly located through the original track.
The movable limiting device 11 below the rigid frame type assembly pier 8 comprises universal wheels and connecting and fixing holes, the assembly pier 8 can slide left and right in front and back, and can be locked after being in place, and meanwhile, the movable limiting device can be firmly connected with a fixing device for driving into a stratum through the connecting and fixing holes.
In order to ensure the safe operation of traffic, a buffering ramp plate 9 is arranged, and the gradient of the buffering ramp plate 9 can be set to be about 10 per mill.
All the components of the invention can be reused, and resources can be effectively saved.
Example (b):
referring to fig. 1, fig. 1 is a schematic view of the overall structure of a recyclable mobile trestle, the truss structure of the trestle is formed by splicing prefabricated members according to specific needs, the junctions of main girders are connected by node plates 10, a channel plate 7 is installed on the truss structure, and a buffering ramp plate 9 with a gradient of 10 per mill is arranged outside the truss structure. Pier 8 is assembled to bridge substructure adoption rigid frame formula, installs under pier 8 and removes stop device 11 rigid frame formula is assembled for through original track quick falling position.
Referring to fig. 2, fig. 2 is a schematic structural diagram of a trestle truss. The truss main part is built by prefabricated member and forms, and prefabricated member includes chord member concatenation member 1, lower chord member concatenation member 2, web member 3, horizontal longitudinal tie member 4, crossbeam roof beam piece 5 and longeron roof beam piece 6, and quantity stride the footpath according to actual need and decides. The main girder junction points are connected by node plates 10, and the members are connected to the node plates 10 by high-strength bolts.
Referring to fig. 3, fig. 3 is a schematic structural diagram of a rigid frame type assembled pier of a trestle, wherein a pier body is composed of two trapezoidal prefabricated rigid frames 12, and a cap beam is composed of two prefabricated components 13. The pier body rigid frame is connected with the cap beam by virtue of the connecting steel bars reserved at the upper part of the pier body rigid frame, and the lower limbs of the rigid frame are directly embedded and fixed in the reserved bell and spigot holes of the foundation.
In actual work, before the construction of a broken road, firstly, according to specific needs, the span is spanned, the truss structure of the trestle is formed by splicing an upper chord splicing rod piece 1, a lower chord splicing rod piece 2, web member pieces 3, transverse and longitudinal connecting system rod pieces 4, cross beam pieces 5 and longitudinal beam pieces 6, and the intersection of the main truss is connected to a gusset plate 10 by using a high-strength bolt to form a whole. The prefabricated channel plate 7 is then transported and mounted on the truss structure. Meanwhile, a rigid frame type assembly pier 8 pier body is formed by two trapezoidal prefabricated rigid frames 12, a rigid frame type assembly pier 8 cap beam is formed by two prefabricated components 13, the pier body rigid frame is connected with the cap beam by virtue of a connecting steel bar reserved at the upper part of the pier body rigid frame, and the lower limbs of the rigid frame are directly embedded in reserved bell and spigot holes of the foundation. The rubber support is used for connecting the pier and the bridge span structure, the moving limiting device 11 is installed below the rigid frame type assembling pier 8, and the pier can rapidly fall on the road surface. In order to ensure the direct connection between the existing road and the channel plate, the buffer slope plate is arranged to enable the vehicle to go up and down the channel plate, and the slope of the buffer slope is designed to be about 10 per thousand. After the use is completed, the device is disassembled and stored.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the specification and the drawings of the present invention should be included in the scope of the present invention.
Claims (6)
1. The utility model provides a circulated use removes landing stage which characterized in that: including pin-connected panel truss structure, pin-connected panel truss structure sets up on mound (8) are assembled to rigid frame formula, and the structural access board (7) that is provided with of truss is provided with buffering ramp plate (9) outward, is provided with under mound (8) are assembled to rigid frame formula and removes stop device (11).
2. A recyclable mobile trestle according to claim 1, characterised in that: the spliced truss structure comprises upper chord splicing members (1) and lower chord splicing members (2), the upper chord splicing members (1) and the lower chord splicing members (2) are connected through web members (3), transverse and longitudinal connecting systems are connected through transverse and longitudinal connecting system members (4), and cross beam pieces (5) and longitudinal beam pieces (6) are arranged between the upper chord splicing members (1) and between the lower chord splicing members (2).
3. A mobile trestle for recycling according to claim 1 or 2, characterised in that: the rigid frame type assembly pier (8) is characterized in that a pier body is composed of a trapezoidal prefabricated rigid frame (12), a cap beam is composed of prefabricated parts (13), the pier body is connected with the cap beam through connecting steel bars, and the lower limbs of the pier body are directly embedded in reserved bell and spigot holes of a foundation.
4. A recyclable mobile trestle according to claim 3, characterised in that: the assembled truss structure junction is connected by adopting the node plates (10), the rod pieces are connected on the node plates (10) by adopting bolts, and the beam piece connecting parts are connected by adopting bolts.
5. A recyclable mobile trestle according to claim 6, characterised in that: the assembled truss structure adopts a triangular truss, the longitudinal connection system adopts a crossed system, and the bridge portal frame is arranged at the inclined beam at the end.
6. A recyclable mobile trestle according to claim 7, characterised in that: a movable limiting device (11) is arranged below the rigid frame type assembling pier (8), and the movable limiting device (11) comprises universal wheels and connecting and fixing holes.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111096805.7A CN113981796A (en) | 2021-09-18 | 2021-09-18 | Recyclable movable trestle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111096805.7A CN113981796A (en) | 2021-09-18 | 2021-09-18 | Recyclable movable trestle |
Publications (1)
Publication Number | Publication Date |
---|---|
CN113981796A true CN113981796A (en) | 2022-01-28 |
Family
ID=79736099
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202111096805.7A Pending CN113981796A (en) | 2021-09-18 | 2021-09-18 | Recyclable movable trestle |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN113981796A (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006009449A (en) * | 2004-06-28 | 2006-01-12 | Kajima Corp | Truss panel girder and precast truss panel |
CN101550769A (en) * | 2009-03-03 | 2009-10-07 | 中国水利水电第七工程局有限公司 | Movable trestle |
RU2380476C1 (en) * | 2008-10-03 | 2010-01-27 | Открытое акционерное общество по проектированию строительства мостов "Институт Гипростроймост" | Metal railroad superstructure with through trusses and movement on ballast |
CN202899015U (en) * | 2012-11-07 | 2013-04-24 | 湖北华舟重工应急装备股份有限公司 | Modular highway steel truss bridge |
CN206190295U (en) * | 2016-10-26 | 2017-05-24 | 山东铁鹰建设工程有限公司 | Integrative landing stage of full -automatic hydraulic pressure crawler drive inverted arch |
-
2021
- 2021-09-18 CN CN202111096805.7A patent/CN113981796A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006009449A (en) * | 2004-06-28 | 2006-01-12 | Kajima Corp | Truss panel girder and precast truss panel |
RU2380476C1 (en) * | 2008-10-03 | 2010-01-27 | Открытое акционерное общество по проектированию строительства мостов "Институт Гипростроймост" | Metal railroad superstructure with through trusses and movement on ballast |
CN101550769A (en) * | 2009-03-03 | 2009-10-07 | 中国水利水电第七工程局有限公司 | Movable trestle |
CN202899015U (en) * | 2012-11-07 | 2013-04-24 | 湖北华舟重工应急装备股份有限公司 | Modular highway steel truss bridge |
CN206190295U (en) * | 2016-10-26 | 2017-05-24 | 山东铁鹰建设工程有限公司 | Integrative landing stage of full -automatic hydraulic pressure crawler drive inverted arch |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104097253A (en) | Environment-friendly movable precast track beam formwork system in straddle type monorail transit | |
CN113863170A (en) | Overall carrying and dismantling method for overline suspender arch bridge | |
CN215329370U (en) | Municipal administration bridge construction supporting structure | |
WO2023060783A1 (en) | Stretchable road bridge and manufacturing and construction method therefor | |
CN107366222A (en) | A kind of packaged type overpass of quick-assembling | |
CN214993171U (en) | Bridge bent cap construction is with assembled sectional shelf-unit platform | |
CN110820519A (en) | Tunnel arch bridge convenient for rapid construction and construction method thereof | |
CN112281663B (en) | Construction method for widening connection of upper structures of new and old bridges | |
CN112211085A (en) | Concrete floor slab walking trestle device for large crawler crane and mounting method thereof | |
CN113981796A (en) | Recyclable movable trestle | |
CN110374018A (en) | A kind of combined steel cross bearer sets up multispan just beam track strengthening method | |
CN213951903U (en) | Concrete floor walking trestle device for large crawler crane | |
CN214573260U (en) | Interim river steel landing stage of striding of construction | |
CN215629392U (en) | Wide equipment is pieced together to prefabricated case roof beam | |
CN113944106A (en) | Steel trestle bridge channel for upper bridge of land short pier bridge and construction method of steel trestle bridge channel | |
CN107245960A (en) | A kind of segmented construction system updated for urban viaduct and method | |
CN209907191U (en) | Assembled concrete crash barrier based on grout muffjoint | |
CN113481871A (en) | Method for gradually crossing holes of small-curve-radius and large-span continuous I-shaped reinforced concrete combined bridge girder erection machine | |
JP2005220526A (en) | Overhead crossing and its construction method | |
CN105926454A (en) | Pushing method and device for middle span of large-span high-bridge-pier prestressed concrete box girder continuous rigid-frame bridge | |
Schweigert et al. | Accelerated Bridge Construction and Its Recent Trend | |
CN105507160B (en) | Method of operation platform for movable-type bailey beams for construction of cast-in-place box beams | |
CN205205676U (en) | Portable beiLei beam operation platform of cast -in -situ box girder | |
CN216040617U (en) | Rigid frame structure suitable for double-deck elevated railway | |
CN113668388B (en) | Pier-beam collaborative integral rapid installation and removal method based on vehicle-mounted equipment |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WD01 | Invention patent application deemed withdrawn after publication | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20220128 |