CN107366229A - Both a kind of construction method of wired transom pier bent cap - Google Patents
Both a kind of construction method of wired transom pier bent cap Download PDFInfo
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- CN107366229A CN107366229A CN201710548954.XA CN201710548954A CN107366229A CN 107366229 A CN107366229 A CN 107366229A CN 201710548954 A CN201710548954 A CN 201710548954A CN 107366229 A CN107366229 A CN 107366229A
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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
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Abstract
Both a kind of construction method of wired transom pier bent cap, it is related to construction of railways field, the present invention is constructed at gate-type pier capping beam chamfering using raft support method, using D types, just roof beam structure sky method is constructed for bent cap part in addition to chamfering, the disposable formwork erection shaping of bent cap, concrete one-off are continuously poured into a mould, and bent cap concrete strength carries out tensioning, mud jacking and sealing off and covering anchorage after reaching design strength, effectively solve the technical barrier that transom pier is limited by clear height, improve working security and efficiency of construction etc..
Description
【Technical field】
The present invention relates to construction of railways field, more particularly to the construction method of a kind of both wired transom pier bent cap, and in particular to one
Kind uses D types just construction method of the roof beam structure sky method to both wired transom pier bent caps.
【Background technology】
Known, to adapt to the target call built a well-off society in an all-round way, the railway network will expand scale, perfect frame, improve matter
Amount, rapid expansion transport capacity, improves rapidly equipment.The year two thousand twenty is expected, it is public that china railway revenue kilometres reach 120,000
In, main busy trunk lines realize and separated lines for passenger and freight that complex line rate and electrochemical rate respectively reach 50% and more than 60%, and transport capacity meets state
People's economy and social development need, and major technique equipment reaches or approaches advanced international standards.Work progress of the railway in reality
In, particularly larger in the special region difficulty of construction of some environment, working security is also poor, with white mountain village two-wire grand bridge
Exemplified by line construction, white mountain village two-wire grand bridge total length 3612.179m, wherein 37#, 38# pier are across existing in transom pier box beam
Hunan and Guangxi railway, bridge and existing Hunan and Guangxi railway angle are 12 °, and transom pier and existing Hunan and Guangxi railway angle are 102 °, 37#, 38# door
Formula pier capping beam is designed as post stretching C50 prestressed reinforced concretes, and sectional dimension is 3 × 2.5 meters, and 37# pier capping beams bottom is away from existing
Line rail level clear height is 7.982m；38# pier capping beams bottom is 8.144m away from both wired rail level clear height.Because white mountain village two-wire grand bridge 37#,
480 tons are weighed across existing Hunan and Guangxi railway, bent cap on 38# transom piers, existing Bailey beam and rice steelframe can not be used by being limited by clear height
Sky construction, difficulty of construction and very risky, then how to provide a kind of relatively reasonable construction method just into art technology
The long-term technology demand of personnel.
【The content of the invention】
Insufficient present in background technology to overcome, the invention provides the construction method of a kind of both wired transom pier bent cap, door
Constructed at formula pier capping beam chamfering using raft support method, the bent cap part in addition to chamfering using D types, just construct by roof beam structure sky method, effectively
The technical barrier for solving transom pier and being limited by clear height, improve working security etc..
To realize goal of the invention as described above, the present invention uses technical scheme as described below：
The construction method of a kind of both wired transom pier bent cap, the construction method are to use full framing at gate-type pier capping beam chamfering
Method is constructed, and the bent cap part in addition to chamfering using D types, just construct by roof beam structure sky method, and the disposable formwork erection shaping of bent cap, concrete one-off connects
Continuous cast, bent cap concrete strength carry out tensioning, mud jacking and sealing off and covering anchorage after reaching design strength, and D types just beam and full is removed after the completion of sealing off and covering anchorage
Hall support.It should be noted that removing D types, just beam and full framing are not the protection main points of the present invention, therefore not tire out again
State.
The construction method of described both wired transom pier bent cap, the D types method that just roof beam structure sky method is constructed is in gate-type
Before pier construction, transom pier side place is hardened, so that crane is firm during crane lifting, just beam assembling and steel pipe column weld D types,
Girder block is made with steel pipe column in construction, cushion cap does just beam fulcrum with I-steel, H profile steel, sleeper, then use D as footing foundation
The method of shaped steel just girder span line formwork erection is constructed, and is specifically comprised the following steps：
The first step, steel pipe column is installed：
Pre-embedded bolt and fixing steel plate be in cushion cap before cushion cap concreting, and bolt embedment cushion cap concrete depth is 50~
100 ㎝, after cushion cap concrete reaches design strength, steel pipe column is installed；
Second step, bowl buckle support are set up：
Bent cap chamfering and both ends job platform are set up with bowl buckle support, and longitudinal pitch is 10~50cm, and horizontal spacing is 40~
80cm, step pitch are 40~80 ㎝, and bridging is set between longitudinal direction and transverse direction, and scaffold top sets adjustable jack, scaffold and chamfering side
Diagonal brace is set between wood, to prevent that scaffold topples at chamfering, scaffold is connected with job platform scaffold at chamfering, to prevent pin hand
Frame invades railway clearance during setting up, and safety guard net is set on the steel pipe column along railway side, firm with iron wire colligation；
3rd step, branch pier top just set up by beam fulcrum：
Just beam fulcrum is set up using H profile steel, sleeper, I-steel on buttress steelframe, H profile steel is coupled with I-steel using U-shaped spiral shell
Knot is tethered, dog stickfast is used between sleeper and sleeper, sleeper is tightened with H profile steel with iron wire；
4th step, girder falling H profile steel fulcrum are set up and installed：
To prevent that just beam crossbeam falls, while prepared to remove crossbeam and bent cap end template, in the lower section 10 away from just beam longeron
~35cm height, the position away from 80~120cm of crossbeam center line, if more H profile steels do girder falling, fulcrum is located at I-steel
On, girder falling is coupled with I-steel with U-bolt, I-steel and after just beam fulcrum is set up, block circuit lifting girder falling
And electrical connection；
5th step, to D types, just beam assembles：
Two row's lumps of wood are laid on the coagulation soil site of hardening, then just beam longeron is kept flat on the lumps of wood by D types with crane, with sled
Rod adjusts two D types just case bay, and just beam length is equal for spacing and D types, and two longerons it is parallel after installation D types just beam crossbeam,
Fixed using high-strength bolt, the connecting bolt of longitudinal and cross beam is all tightened after crossbeam whole installation, finally installation is horizontal
Beam brace, crossbeam brace are fixed with crossbeam using high-strength bolt；
6th step, the setting pad between crossbeam top and bed die：
The lumps of wood is first completely spread on crossbeam top, repaves waterproof geotextiles, repaves one layer of bamboo slab rubber, the operation in block point；
7th step, installation capping beam template, assembling reinforcement, cast concrete, tensioning, sealing off and covering anchorage, mud jacking：
After bed die bamboo slab rubber is laid, rotary ligating cover beam steel, bent cap side form is installed after lid beam steel bar colligation, ripple is installed
Pipe and steel strand, pour into a mould bent cap concrete；After bent cap concrete strength reaches design strength, tensioning bent cap, mud jacking, sealing off and covering anchorage.
The construction method of described both wired transom pier bent cap, the place are hardened to using 10~30 ㎝ thickness C20 coagulations
Soil hardening.
The construction method of described both wired transom pier bent cap, the specification of the steel pipe column is ￠ 300mm × 10mm.
The construction method of described both wired transom pier bent cap, the I-steel are I45c I-steel.
The construction method of described both wired transom pier bent cap, the H profile steel H profile steel are 300 × 300H shaped steel.
The construction method of described both wired transom pier bent cap, the specification of the bowl buckle support is ￠ 48mm × 3.5mm.
The construction method of described both wired transom pier bent cap, the thickness of the bamboo slab rubber is 15mm.
The construction method of described both wired transom pier bent cap, the size of the lumps of wood is 10cm × 10cm.
Using technical scheme as described above, the present invention has superiority as described below：
The construction method of a kind of both wired transom pier bent cap of the present invention, uses full framing at gate-type pier capping beam chamfering
Method is constructed, and the bent cap part in addition to chamfering using D types, just construct by roof beam structure sky method, effectively solves what transom pier was limited by clear height
Technical barrier, working security and efficiency of construction etc. are improved, be adapted to large-scale promotion and application.
【Embodiment】
The present invention can be explained in more detail by the following examples, the invention is not limited in the following examples；
In order to better illustrate the present invention, the present invention is by taking white mountain village two-wire grand bridge as an example, across existing on its 37#, 38# transom pier
Hunan and Guangxi railway, bent cap weigh 480 tons, and the empty construction of existing Bailey beam and rice steelframe can not be used because being limited by clear height, difficulty of construction and
Very risky, using the construction method of a kind of both wired transom pier bent cap of the present invention, the construction method is transom pier
Constructed at bent cap chamfering using raft support method, the bent cap part in addition to chamfering using D types, just construct by roof beam structure sky method, and bent cap is once
Property formwork erection shaping, concrete one-off continuously pours into a mould, and bent cap concrete strength carries out tensioning, mud jacking and sealing off and covering anchorage, sealing off and covering anchorage after reaching design strength
After the completion of remove D types just beam and full framing.
Wherein raft support method is a kind of more conventional construction method, that is, takes at regular intervals, gather and set up, play branch
The construction method of the scaffold of support effect.Cast-in-situ bridge construction and cast-in-situ floor construction are common at present.Raft support method is constructed
It is a kind of long-term adopted method, applies the substantial amounts of falsework of man-hour requirement.Construction with brackets is that support is set up at bridge location,
Pontic concrete is poured on support, form removal and support after concrete reaches intensity.Construction with brackets biggest advantage
It is not need Large-scale Hoisting equipment, its shortcoming is that working rack template consumption is big, long in time limit, to Bridges in Mountainous Areas and Gao Dun
There is significant limitation.Specific implementation method is not tired herein to be stated.
The wherein described D types method that just roof beam structure sky method is constructed is before transom pier construction, by place on the left of the left pier of 37#, 38#
Place is hardened using 20 ㎝ thickness C20 concrete, so that crane is firm and so as to D20 just beam assembling and steel pipe column during crane lifting
Welding.Taken in construction and girder block made with ￠ 300mm × 10mm steel pipe column, cushion cap as footing foundation, with I45c I-steel,
300 × 300H shaped steel, sleeper do just beam fulcrum, are then constructed with the method for D20 shaped steel just girder span line formwork erection, specific bag
Include following steps：
The first step, steel pipe column is installed：
Pre-buried ￠ 20 bolt and 2cm thickness 175cm × 160cm fixing steel plate are in cushion cap before cushion cap concreting, spiral shell
Bolt embedment cushion cap concrete depth is 50~100 ㎝, wherein it is preferred that 82cm, treats that cushion cap concrete reaches design strength or design is strong
After the 75% of degree, you can installation steel pipe column；
Second step, bowl buckle support are set up：
Bent cap chamfering and both ends job platform are set up with ￠ 48mm × 3.5mm bowl buckle supports, and longitudinal pitch is 10~50cm, wherein
It is preferred that 30cm, horizontal spacing is 40~80cm, wherein it is preferred that 60cm, step pitch are 40~80 ㎝, wherein it is preferred that 60cm, longitudinal direction with
Bridging is set between transverse direction, scaffold top sets adjustable jack, diagonal brace is set between scaffold and the chamfering lumps of wood, to prevent pin hand at chamfering
Frame is toppled, and scaffold is connected with job platform scaffold at chamfering, to prevent from invading railway clearance during scaffold building,
Safety guard net is set along ￠ 300mm × 10mm steel pipe columns of railway side, it is firm with iron wire colligation；
3rd step, branch pier top just set up by beam fulcrum：
To meet transom pier Coping Construction, just beam fulcrum is set up on rigid frame, each buttress uses 3 1.8 meters of 300 × 300H types
Steel, one layer of sleeper, 2 I45c I-steel.H30 shaped steel is coupled with I45c I-steel to be linked using U-bolt；Between sleeper and sleeper
With dog stickfast, sleeper is tied twice with two strands of 8# iron wires with H30 shaped steel and tightened；
4th step, girder falling H profile steel fulcrum are set up and installed：
To prevent that just beam crossbeam falls, while prepared to remove crossbeam and bent cap end template, in the lower section 10 away from just beam longeron
~35cm height, wherein it is preferred that 22cm, the position away from 80~120cm of crossbeam center line, wherein it is preferred that 100cm, if 2 root longs 16
The H30 shaped steel of rice does girder falling, and fulcrum is located on I-steel, is coupled girder falling with I45c I-steel with U-bolt, I45c works
Word steel and after just beam fulcrum is set up, block circuit lifting girder falling and electrical connection；I45c I-steel and just beam fulcrum is set up
After good, it is possible to block circuit lifting girder falling, 1.4 tons of every weight of girder falling, using 25 tons of crane maximum functional amplitudes in 14m
When can hang 4 tons, lifting twice need to can complete whole job contents with 40 points, after girder falling lifting is in place in block point, connection
Knot is firm.
5th step, to D types, just beam assembles：
Two row's lumps of wood are laid on the coagulation soil site of hardening, then just beam longeron is kept flat on the lumps of wood by D types with crane, with sled
Rod adjusts two D types just case bay, and just beam length is equal for spacing and D types, and two longerons it is parallel after installation D types just beam crossbeam,
Fixed using high-strength bolt, the connecting bolt of longitudinal and cross beam is all tightened after crossbeam whole installation, finally installation is horizontal
Beam brace, crossbeam brace are fixed with crossbeam using high-strength bolt；
Just the preparation before beam is hung in：
1st, the just determination of the assembly integral hoisting data of beam and girder falling rail：
1. lift heavy：36.66 tons of D20 type construction beams full weight, deduct not 3.43 tons of mounting portion gooseneck 12 piece, slag trap
0.334 ton, 0.427 ton of bracket 24 piece, 0.2 ton of brace 22 piece, 0.09 ton of connecting plate 48 piece, just 32.2 tons of beam actual weight, hang
Hook weighs 0.5 ton, adds up to 32.7 tons, based on 33 tons；
2. select crane：Xu works QY220K；
2nd, other preparations：
1. construction point plan shifts to an earlier date declaration；
2. confirm that crossbeam assembly is connected firmly；
3. just beam whole screw has been acknowledged that fastening is errorless；
4. levelling of the land has met the needs of crane operation；
5. the determination of suspension centre and lifting rope；
6. determine crane position；
Just beam, girder falling H profile steel, the lifting on pavement are in place：
1st, assembly lifting is in place：
1. prepare before point
Before lifting, carry out comprehensive double check and examine work；
A. just beam, 2 girder falling H steel fulcrums have been installed；
B. the just beam not in the range of lifting is hung to relevant position by crane in place in advance；
C. 2 30m coir ropes in just beam direction are controlled to fasten in advance；
D. the lighting installation that carries on construction work at night has been got all the ready；
E. carry out comprehensive double check and examine work, check that equipment installation reference mark, rhumb line mark whether correctly；Check
Whether the suspension ring of equipment meet lifting requirements；
F. hoisting rig is to connect：Each suspension centre steel cable passes through longeron, then with snap ring card jail；Four rope capacities
Must be consistent；Longeron divides into both sides and respectively puts a break iron, avoids card bad steel wire rope；
G. examination is hung again：Lifting commander in chief carries out lifting operation and told somebody what one's real intentions are；Arrange each supervision main points for being supervised of post and main
Content；Carry out test of many times is put down in lifting, each several part is had harmony and security；Check the situation of change at each position etc.；
2. lift step
Formally ordered each deputy director by commander in chief, is checked that each post is awaited orders situation to hilllock, whether just to be checked each command signal system
Often；Report preparation, track blockade protection situation in each post.When being connected to block dot command, formal lifting, leave equipment and face
When 500~800mm of bearing when stop, and make further check, whether each post should report the developments normal；Remove equipment support and
Ground debris, continue to lift by crane；
After just beam is fallen on fulcrum, just beam position is checked in time, and when finding out of alignment, recurrence, which is hung, to be finely adjusted；
3. just beam, girder falling in place after job content and safety measure
A. the just beam fulcrum top layer sleeper on the longeron of just beam and 300 × 300H shaped steel top is hammered into railway spike；
B. girder falling H steel two ends are tied with U-shaped folder firm；
4. pavement is hung in place
Just after beam is in place, respectively by pavement steel beam lifting in place；
The installation of pavement guard rail
After pavement lifting is in place, thick 5cm planks are completely spread on every pavement I40 I-steel, closely without loosening；I40 I-shapeds
High 1.5m guardrails angle steel is welded in the side of girder steel, and installs anti-fall close net, and the material of anti-fall close net does not have to the iron for being also easy to produce electrostatic
Silk screen, it can purchase manila rope net or thick nylon rope.
To ensure safety, when installing pavement, application is constructed using skylight point；
There is non-skid feature on ground to the pavement scaffold building of buttress, laying plank, and width is not less than 1.2m, both sides
If fence protects.
6th step, the setting pad between crossbeam top and bed die：
10cm × 10cm lumps of wood is first completely spread on crossbeam top, repaves waterproof geotextiles, it is 15mm bamboo slab rubbers to repave a layer thickness, is existed
Operation in block point；
7th step, installation capping beam template, assembling reinforcement, cast concrete, tensioning, sealing off and covering anchorage, mud jacking：
After bed die bamboo slab rubber is laid, rotary ligating cover beam steel, bent cap side form is installed after lid beam steel bar colligation, ripple is installed
Pipe and steel strand, pour into a mould bent cap concrete；After bent cap concrete strength reaches design strength, tensioning bent cap, mud jacking, sealing off and covering anchorage.
By the implementation of the present invention, effectively solve the technical barrier that transom pier is limited by clear height, improve construction peace
Full property and efficiency of construction etc.
Part not in the detailed description of the invention is prior art.
The embodiment selected herein for the open purpose of the present invention, is presently considered to be suitable, still, Ying Liao
Solution, it is contemplated that all changes and improvement including all embodiments belonged in this design and invention scope.
Claims (9)
1. the construction method of a kind of both wired transom pier bent cap, it is characterized in that：The construction method is at gate-type pier capping beam chamfering
Constructed using raft support method, the bent cap part in addition to chamfering using D types just roof beam structure sky method construct, the disposable formwork erection of bent cap into
Shape, concrete one-off are continuously poured into a mould, and bent cap concrete strength carries out tensioning, mud jacking and sealing off and covering anchorage after reaching design strength, is torn open after the completion of sealing off and covering anchorage
Except D types just beam and full framing.
2. the construction method of according to claim 1 both wired transom pier bent cap, it is characterized in that：Just roof beam structure is empty for the D types
The method of method construction is before transom pier construction, and transom pier side place is hardened, so that crane is firm during crane lifting, D types
Just beam assembling and steel pipe column welding, make girder block in construction with steel pipe column, cushion cap as footing foundation, with I-steel, H profile steel,
Sleeper does just beam fulcrum, is then constructed, specifically comprised the following steps with the method for D shaped steel just girder span line formwork erection：
The first step, steel pipe column is installed：
Pre-embedded bolt and fixing steel plate be in cushion cap before cushion cap concreting, and bolt embedment cushion cap concrete depth is 50~
100 ㎝, after cushion cap concrete reaches design strength, steel pipe column is installed；
Second step, bowl buckle support are set up：
Bent cap chamfering and both ends job platform are set up with bowl buckle support, and longitudinal pitch is 10~50cm, and horizontal spacing is 40~
80cm, step pitch are 40~80 ㎝, and bridging is set between longitudinal direction and transverse direction, and scaffold top sets adjustable jack, scaffold and chamfering side
Diagonal brace is set between wood, to prevent that scaffold topples at chamfering, scaffold is connected with job platform scaffold at chamfering, to prevent pin hand
Frame invades railway clearance during setting up, and safety guard net is set on the steel pipe column along railway side, firm with iron wire colligation；
3rd step, branch pier top just set up by beam fulcrum：
Just beam fulcrum is set up using H profile steel, sleeper, I-steel on buttress steelframe, H profile steel is coupled with I-steel using U-shaped spiral shell
Knot is tethered, dog stickfast is used between sleeper and sleeper, sleeper is tightened with H profile steel with iron wire；
4th step, girder falling H profile steel fulcrum are set up and installed：
To prevent that just beam crossbeam falls, while prepared to remove crossbeam and bent cap end template, in the lower section 10 away from just beam longeron
~35cm height, the position away from 80~120cm of crossbeam center line, if more H profile steels do girder falling, fulcrum is located at I-steel
On, girder falling is coupled with I-steel with U-bolt, I-steel and after just beam fulcrum is set up, block circuit lifting girder falling
And electrical connection；
5th step, to D types, just beam assembles：
Two row's lumps of wood are laid on the coagulation soil site of hardening, then just beam longeron is kept flat on the lumps of wood by D types with crane, with sled
Rod adjusts two D types just case bay, and just beam length is equal for spacing and D types, and two longerons it is parallel after installation D types just beam crossbeam,
Fixed using high-strength bolt, the connecting bolt of longitudinal and cross beam is all tightened after crossbeam whole installation, finally installation is horizontal
Beam brace, crossbeam brace are fixed with crossbeam using high-strength bolt；
6th step, the setting pad between crossbeam top and bed die：
The lumps of wood is first completely spread on crossbeam top, repaves waterproof geotextiles, repaves one layer of bamboo slab rubber, the operation in block point；
7th step, installation capping beam template, assembling reinforcement, cast concrete, tensioning, sealing off and covering anchorage, mud jacking：
After bed die bamboo slab rubber is laid, rotary ligating cover beam steel, bent cap side form is installed after lid beam steel bar colligation, ripple is installed
Pipe and steel strand, pour into a mould bent cap concrete；After bent cap concrete strength reaches design strength, tensioning bent cap, mud jacking, sealing off and covering anchorage.
3. the construction method of according to claim 2 both wired transom pier bent cap, it is characterized in that：The place, which is hardened to, adopts
With 10~30 ㎝ thickness C20 concrete hardenings.
4. the construction method of according to claim 2 both wired transom pier bent cap, it is characterized in that：The specification of the steel pipe column
For ￠ 300mm × 10mm.
5. the construction method of according to claim 2 both wired transom pier bent cap, it is characterized in that：The I-steel is I45c
I-steel.
6. the construction method of according to claim 2 both wired transom pier bent cap, it is characterized in that：The H profile steel H profile steel is
300 × 300H shaped steel.
7. the construction method of according to claim 2 both wired transom pier bent cap, it is characterized in that：The rule of the bowl buckle support
Lattice are ￠ 48mm × 3.5mm.
8. the construction method of according to claim 2 both wired transom pier bent cap, it is characterized in that：The thickness of the bamboo slab rubber
For 15mm.
9. the construction method of according to claim 2 both wired transom pier bent cap, it is characterized in that：The size of the lumps of wood is
10cm×10cm。
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107761573A (en) * | 2017-11-29 | 2018-03-06 | 中铁二十四局集团安徽工程有限公司 | Crossing bridge bottom Bailey beam falsework jacking transportation by driving method for dismounting |
| CN114108485A (en) * | 2021-12-09 | 2022-03-01 | 中铁十局集团第七工程有限公司 | Gate-type pier capping beam construction method |
| CN114214945A (en) * | 2021-11-30 | 2022-03-22 | 中铁十六局集团第五工程有限公司 | Gate-type pier edge-bearing bracket system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4428721B2 (en) * | 2007-12-13 | 2010-03-10 | 東急建設株式会社 | Construction method of ramen railway viaduct |
| CN101838968A (en) * | 2010-05-19 | 2010-09-22 | 中铁二十局集团有限公司 | Double track bridge construction process crossing existing railway operational lines |
| CN201671062U (en) * | 2010-05-19 | 2010-12-15 | 中铁二十局集团有限公司 | D-type temporary beam for construction of dual-line portal type pier cap beam spanning existing line |
| CN204112239U (en) * | 2014-11-04 | 2015-01-21 | 中铁第四勘察设计院集团有限公司 | Across the rotary body device of the little bridge beam of high ferro on a kind of low-angle |
| CN204644878U (en) * | 2015-04-23 | 2015-09-16 | 中铁二十五局集团有限公司 | A kind of transom pier steel truss girder lifting construction device |
| CN205934744U (en) * | 2016-08-26 | 2017-02-08 | 北京康港工程技术有限公司 | Gate -type mound construction built -up plate |
-
2017
- 2017-07-07 CN CN201710548954.XA patent/CN107366229A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4428721B2 (en) * | 2007-12-13 | 2010-03-10 | 東急建設株式会社 | Construction method of ramen railway viaduct |
| CN101838968A (en) * | 2010-05-19 | 2010-09-22 | 中铁二十局集团有限公司 | Double track bridge construction process crossing existing railway operational lines |
| CN201671062U (en) * | 2010-05-19 | 2010-12-15 | 中铁二十局集团有限公司 | D-type temporary beam for construction of dual-line portal type pier cap beam spanning existing line |
| CN204112239U (en) * | 2014-11-04 | 2015-01-21 | 中铁第四勘察设计院集团有限公司 | Across the rotary body device of the little bridge beam of high ferro on a kind of low-angle |
| CN204644878U (en) * | 2015-04-23 | 2015-09-16 | 中铁二十五局集团有限公司 | A kind of transom pier steel truss girder lifting construction device |
| CN205934744U (en) * | 2016-08-26 | 2017-02-08 | 北京康港工程技术有限公司 | Gate -type mound construction built -up plate |
Non-Patent Citations (1)
| Title |
|---|
| 炎无所用心: "《百度文库》", 4 August 2011 * |
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| CN107761573A (en) * | 2017-11-29 | 2018-03-06 | 中铁二十四局集团安徽工程有限公司 | Crossing bridge bottom Bailey beam falsework jacking transportation by driving method for dismounting |
| CN107761573B (en) * | 2017-11-29 | 2019-04-16 | 中铁二十四局集团安徽工程有限公司 | Crossing bridge bottom Bailey beam falsework jacks transportation by driving method for dismounting |
| CN114214945A (en) * | 2021-11-30 | 2022-03-22 | 中铁十六局集团第五工程有限公司 | Gate-type pier edge-bearing bracket system |
| CN114108485A (en) * | 2021-12-09 | 2022-03-01 | 中铁十局集团第七工程有限公司 | Gate-type pier capping beam construction method |
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