CN110258332A - Closure linker water tank ballast device and method - Google Patents
Closure linker water tank ballast device and method Download PDFInfo
- Publication number
- CN110258332A CN110258332A CN201910264482.4A CN201910264482A CN110258332A CN 110258332 A CN110258332 A CN 110258332A CN 201910264482 A CN201910264482 A CN 201910264482A CN 110258332 A CN110258332 A CN 110258332A
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- Prior art keywords
- water tank
- closure
- water
- linker
- sides
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Classifications
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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
-
- 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
- E01D2101/26—Concrete reinforced
- E01D2101/28—Concrete reinforced prestressed
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention belongs to technical field of bridge construction, and in particular to a kind of closure linker water tank ballast device and method.A kind of closure linker water tank ballast device, including two water tanks, by connecting into a linker communicating pipe between two water tanks, two water tanks are respectively placed at closure section two sides when use；The water tank upper offers water inlet, and the water tank lower part is equipped with water outlet, and the water outlet is equipped with drain valve；Flowmeter is additionally provided on the water outlet of the water tank；Linker is additionally provided between two water tanks, the linker includes two graduated transparent vertical ducts of mark, and two vertical ducts are separately mounted on two water tanks, and the bottom of two vertical ducts is injected with colored liquid by transverse pipe connection connection.The present invention has used law of connected vessels, is connected to closure section two sides water tank, ensure that two sides counterweight is uniform, the unloading of full symmetric balance.
Description
Technical field
The invention belongs to technical field of bridge construction, and in particular to a kind of closure linker water tank ballast device and side
Method.
Background technique
Traditional bridge steel structure closure segment and abutment lapping construction operation usually distinguishes heap earth bag, water tank using two sides
Or water packet, concrete precast block carry out closure segment and abutment lapping construction ballast conversion process；Its ballast method is more original, applies
Operation during work is cumbersome and work efficiency is low.Secondly heap earth bag, water tank or the water packet used carries out closure segment and abutment overlap joint
The formation for ballast conversion process of constructing is lack of standardization, cannot at the uniform velocity and symmetrically guarantee the reduction of two sides counterweight complete equipilibrium, and not
Can directly monitoring bridge at any time vertical deformation.
Summary of the invention
In view of the above technical problems, the purpose of the present invention is to provide a kind of closure linker water tank ballast device and
Method, the device and method have used law of connected vessels, are connected to closure section two sides water tank, ensure that two sides counterweight is equal
Even, full symmetric balance unloading, solves and reduces with cannot symmetrically guaranteeing closure section two sides counterweight complete equipilibrium in the prior art
The problem of.
To achieve the above object, the technical solution used in the present invention is:
A kind of closure linker water tank ballast device, it is characterised in that: including two water tanks, pass through company between two water tanks
Siphunculus connection is connected into a linker, and two water tanks are respectively placed at closure section two sides when use.
Further, the water tank upper offers water inlet, and the water tank lower part is equipped with water outlet, on the water outlet
Equipped with drain valve.
Further, flowmeter is additionally provided on the water outlet of the water tank.
Further, the communicating pipe is fire hose, and both ends pass through bayonet coupling and connect with the lower part of corresponding water tank.
Further, the water tank side is equipped with liquidometer.
Further, connection indicator is additionally provided between two water tanks, the connection indicator includes two and indicates scale
Transparent vertical duct, two vertical ducts are separately mounted on two water tanks, and the bottom of two vertical ducts passes through a transverse pipe and connects
Lead to and connect, and is injected with colored liquid.
Further, reflectorized paint is brushed on the water tank.
A kind of application method of closure linker water tank ballast device, it is characterised in that the following steps are included:
A, two water tanks are respectively placed at closure section two sides, then are connected to and are connected by communicating pipe；
B, it is filled the water again into two water tanks, checks the quality that liquidometer waits for the quality of Water in Water Tanks and closure section waits for casting concrete
Stop injection when equal；
C, it selects the period that temperature is minimum in one day to carry out the construction of closure section, starts to beat while pouring closure section concrete
Drain valve sluicing is opened, guarantees that the mass velocity of drain valve sluicing is equal to the mass velocity of closure section concreting.
A method of closure construction is carried out using closure linker water tank ballast device, it is characterised in that packet
Include following steps:
1, in the pre-buried anchor plate in closure section two sides, the construction of two sides balance grouting section is completed by cast-in-place cantilever method, and conserve and arrive
Design strength；
2, movable hanging basket, installation template；
3, it carries out water tank ballast: in front of across closure segment locking, two water tanks being respectively placed at closure section two sides, then
It is connected to and is connected by communicating pipe, closed drain valve, filled the water with water pump into water tank, check liquidometer, stopped to after designing scale
Injection；
5, two vertical ducts of adjustment installation make liquid level in two vertical ducts maintain an equal level, and write down the initial scale value of liquid level；
6, closure segment stiff skeleton is installed: the pre-buried anchor plate in connection bridge closure section two sides is respectively welded with rigid connecting rod；
7, start to pour closure section concrete, open simultaneously drain valve, guarantee that the mass velocity that drain valve sluices is equal to closure section
The mass velocity of concreting, water has been let out in water tank while closure section concreting is completed；
8, it is covered and is conserved after the completion of concreting, until reaching design strength.
The invention has the benefit that
(1) the device of the invention and approach application law of connected vessels, is connected to closure section two sides water tank, ensure that two sides
Counterweight is uniform, the unloading of full symmetric balance, and closure section two sides counterweight complete equipilibrium cannot symmetrically be guaranteed in the prior art by solving
The problem of ground is reduced.Water outlet of water tank is equipped with flowmeter and adjustable drain valve, can be supervised in real time according to the speed of perfusion of concrete
The speed that discharges water of control water tank, reaches to synchronize etc. and unloads again.
(2) by being connected to the communicating pipe of fire hose material, bearing capacity is high, corrosion-resistant, low temperature resistant, resistance to for water tank two sides
Mill, light weight, adjustable in length is convenient for construction.Communicating pipe connects built-in rubber sealing ring construction and installation disassembly by bayonet coupling
Convenient, dense water can replacement that is good, facilitating communicating pipe.
(3) a small-sized connection indicator is installed on water tank, injects colored liquid, the liquid by observing two sides is carved
Degree variation, the two sides vertical deformation that can intuitively monitor cantilever segment at any time are poor.
(4) pass through water tank ballast, be sky water tank light weight in handling process, reduce mechanical lifting, transport, construction party
Just, save the cost.
(5) liquidometer is filled on water tank with law of connected vessels, liquid level can be intuitively known very much, to know water tank
The quality of interior water, when water filling can guarantee water tank quality with close up it is equal across concrete quality；And liquidometer heavy-walled glass pipe
There is metal cylinder outside form, prevents from carrying, glass tube form is damaged in construction.
(6) it is carried out (when usual morning 1~6) when minimum temperature generally on the day of when closure section construction, by water tank
Brush reflectorized paint, it is ensured that the safety to carry on construction work at night.
Detailed description of the invention
Fig. 1 is the stereoscopic schematic diagram of closure linker water tank ballast device.
Fig. 2 is the schematic top plan view of closure linker water tank ballast device.
Fig. 3 is the end view of closure section when closure linker water tank ballast device uses.
In figure: 1, cantilever segment；2, water tank；3, flowmeter；4, drain valve；5, liquidometer；6, water inlet；7, communicating pipe；8,
Bayonet coupling；9, transverse pipe；10, two lead to adapter tube；11, pipe clamp；12, vertical duct；13, anchor plate；14, rigid connecting rod.
Specific embodiment
For a better understanding of the present invention, technical solution of the present invention is done further below with reference to embodiment and attached drawing
Explanation.
As shown in Figure 1,2 and 3, a kind of closure linker water tank ballast device, including two water tanks 2, the water tank 2
Upper to be brushed with reflectorized paint, by the connection connection of communicating pipe 7 between two water tanks 2, two water tanks 2 are respectively placed at bridge when use
Closure section two sides.2 top of water tank offers water inlet 6, and 2 lower part of water tank is equipped with water outlet, sets on the water outlet
There are flowmeter 3 and drain valve 4.2 side of water tank is equipped with liquidometer 5(, that is, glass-tube liquid level meter, glass-tube liquid level meter heavy wall glass
There is metal cylinder outside glass pipe form).Connection indicator is additionally provided between two water tanks 2, the connection indicator includes two marks
Graduated transparent vertical duct 12, two vertical duct 12(pass through pipe clamp 11) it is separately mounted on two water tanks 2, two are vertical
The bottom of pipe 12 is connected (vertical duct 12 directly leads to adapter tube 10 by two with transverse pipe 9 and connect) by a transverse pipe 9 connection, and
It is (nontransparent, such as red, black, blue to be injected with colored liquid；Become in casting process by the liquid scale of observation two sides
Change, the two sides vertical deformation that can intuitively monitor cantilever segment 1 at any time is poor).
The communicating pipe 7 is fire hose, and both ends pass through bayonet coupling 8 and corresponding water tank 2 (with rubber seal)
Lower part connection.Fire hose is the pipe shaft (band body) of a kind of tubulose, strip caused by being knitted as canvas.
A kind of application method of closure linker water tank ballast device, comprising the following steps:
A, two water tanks 2 are respectively placed at closure section two sides, then pass through the connection connection of communicating pipe 7.
B, it is filled the water again into two water tanks 2, checks quality and closure section to be poured coagulation of the liquidometer 5 to water in water tank 2
Stop injection when the quality of soil is equal.
C, it selects the period (usually morning 1~6 point) that temperature is minimum in one day to carry out the construction of closure section, starts to pour
Drain valve 4 is opened while building closure section concrete to sluice, and guarantees that the mass velocity that drain valve 4 sluices is equal to closure section concrete
The mass velocity poured (water has been let out in water tank 4 while closure section concreting is completed).It is converted into common volume flow rate
(the usually used unit of concrete is volume), the volume flow rate that drain valve 4 sluices is the volume flow rate of concreting
2.551 again；Continuous observation flowmeter 3 in casting process, then with the quality versus of casting concrete, and according to In Situ Concrete
It pours practical measuring and calculating concrete supply and pours rate adaptation drain valve 4, guarantee balance unloading.Guarantee balance unloading, unit time
Concrete pouring quality is equal with regard to the quality that must discharge water with water tank 2, i.e. m concrete=m water, it is known that the density of concrete and water is led to
It crosses following formula and show that sluicing speed must be 2.551 times of concreting speed, specific conversion is as follows: e concrete=25KN/
M3, because of 1kg=9.8N=9.8*10-3KN, e concrete=25*102.04KN/m3=2.551*103kg/m3；Because e water=
1*103kg/m, so e concrete=2.551e water.Guarantee balance unloading m concrete=m water, e concrete v concrete t=e water
V water t, 2.551e water v concrete t=e water v water t, so v water=2.551v concrete.
A method of closure construction, including following step are carried out using closure linker water tank ballast device
It is rapid:
1, in the pre-buried anchor plate 13 in closure section two sides, two sides balance grouting section 1 is completed by cast-in-place cantilever method and is constructed, and conserve
To design strength.
2, movable hanging basket, installation template (in after the completion of the construction of across tail box beam section, utilize tower crane to remove one side hanging of closure segment
Basket, by other side hanging basket advancing into across closure segment, the outside mould bases and bed die frame integral forward lead of closure segment, until with opposite direction
In across tail box beam section concrete overlap joint).
3, it carries out 2 counterweight of water tank: in front of across closure segment locking, two water tanks 2 being respectively placed at closure section
Two sides, then (connect at 7 both ends of communicating pipe on two sides water tank 2 respectively by bayonet coupling 8) by the connection connection of communicating pipe 7, it closes
Drain valve 4 is closed, is filled the water with water pump into water tank 2, checks liquidometer 5, stops injection to after designing scale.
5, two vertical ducts 12 of adjustment installation make liquid level in two vertical ducts 12 maintain an equal level, and write down the initial scale value of liquid level.
6, by design drawing installation reinforcing bar and prestress pipe.
7, closure segment stiff skeleton is installed: the pre-buried anchor in connection bridge closure section two sides is respectively welded with rigid connecting rod 14
Solid plate 13；The welding selection of closure segment stiff skeleton carries out when minimum temperature on the day of, organizes sufficient personnel and welding machine while applying
When welding, and locking it in welding, there is safeguard measure to prestressing force bellows already installed on bottom plate, in case welding slag damages
Hurt bellows.Stiff skeleton is arranged in the form of " pre-buried anchor plate 13+ rigid connecting rod ".Anchor plate and connecting rod are all made of
It is bis- that [28c channel steel group is welded, and tamps the gap held out against between rigid extension bar and anchor rod with sheet metal simultaneously.
In figure: 1, cantilever segment；2, water tank；3, flowmeter；4, drain valve；5, liquidometer；6, water inlet；7, communicating pipe；8,
Bayonet coupling；9, transverse pipe；10, two lead to adapter tube；11, pipe clamp；12, vertical duct；13, anchor plate；14, rigid connecting rod.
8, start to pour closure section concrete, open simultaneously drain valve 4, the mass velocity for guaranteeing that drain valve 4 sluices is equal to
The mass velocity of closure section concreting, water has been let out in water tank 4 while closure section concreting is completed；In casting process
Viewing flowmeter 4 in real time guarantees that sluicing volume flow rate is 2.551 times of casting concrete volume flow rate；In casting process in real time
Record 11 scale value of vertical duct, it is ensured that the vertical displacement deformation of 1 two sides of cantilever segment is consistent, and closure section concreting is completed simultaneously
Water has been let out in water tank.Before closure section concreting, diel continuous observation at times carried out to cantilever section, observation temperature with
Absolute altitude variation, temperature and relationship of beam body temperature of cantilever segment 1 etc., pour and close up section concrete, and sequence: bottom is poured when pouring
Plate → web (balance staggeredly pours) → top plate, flange plate.
9, it is covered and is conserved after the completion of concreting, until reaching design strength.Successively in tensioning across closing up beam
The transverse prestress beam and anchor bolt grouting of section, tensioning vertical prestressing steel beam simultaneously anchor, and two times tensioning anchor is carried out after 1-2 weeks
Gu slip casting.
10, hanging basket is removed by scheme requirement: removing protective platform → dismounting internal model → dismounting bottom basket and outer side mold → dismounting
Main truss and running gear.
The principle of the present invention: the present invention uses law of connected vessels, is connected to closure section two sides water tank 2, ensure that two
Side counterweight is uniform, the unloading of full symmetric balance；And the speed to be discharged water according to the speed of perfusion of concrete, the water tank that converts, and
By checking water outlet flowmeter 3, the water quality and the concrete quality poured for calculating unloading are compared, and are then adjusted and are let out in implementation
The water discharged amount of water valve.One small-sized connection indicator is installed on water tank 2, injects colored liquid, it is vertical by observation two sides
The liquid scale of pipe 12 changes, and the two sides vertical deformation that can intuitively monitor cantilever segment 1 at any time is poor.
Described above is only Application Example of the invention, cannot limit the right model of the present invention with this certainly
It encloses, therefore according to equivalence changes made by scope of the present invention patent, still belongs to protection scope of the present invention.
Claims (9)
1. a kind of closure linker water tank ballast device, it is characterised in that: including two water tanks (2), two water tanks (2) it
Between by communicating pipe (7) connect into a linker, two water tanks (2) are respectively placed at closure section two when use
Side.
2. closure linker water tank ballast device according to claim 1, it is characterised in that: on the water tank (2)
Portion offers water inlet (6), and water tank (2) lower part is equipped with water outlet, and the water outlet is equipped with drain valve (4).
3. closure linker water tank ballast device according to claim 2, it is characterised in that: the water tank (2)
Flowmeter (3) are additionally provided on water outlet.
4. closure linker water tank ballast device according to claim 1, it is characterised in that: the communicating pipe (7)
For fire hose, both ends pass through bayonet coupling (8) and connect with the lower part of corresponding water tank (2).
5. closure linker water tank ballast device according to claim 1, it is characterised in that: water tank (2) side
Face is equipped with liquidometer (5).
6. closure linker water tank ballast device according to claim 1, it is characterised in that: two water tanks (2) it
Between be additionally provided with connection indicator, the connection indicator includes two graduated transparent vertical ducts (12) of mark, and two are vertical
Pipe (12) is separately mounted on two water tanks (2), and the bottom of two vertical ducts (12) is connected by a transverse pipe (9) connection, and
It is injected with colored liquid.
7. closure linker water tank ballast device according to claim 1, it is characterised in that: on the water tank (2)
Brushed with reflectorized paint.
8. the application method of -7 any closure linker water tank ballast devices, feature exist according to claim 1
In the following steps are included:
A, two water tanks (2) are respectively placed at closure section two sides, then pass through communicating pipe (7) connection connection；
B, it is mixed to check that liquidometer (5) with closure section waits pouring to the quality of water in water tank (2) for the water filling into two water tanks (2) again
The quality of solidifying soil stops injection when equal；
C, it selects the period that temperature is minimum in one day to carry out the construction of closure section, starts to beat while pouring closure section concrete
Drain valve (4) sluicing is opened, guarantees that the mass velocity of drain valve (4) sluicing is equal to the mass velocity of closure section concreting.
9. a kind of carry out closure construction using the closure linker water tank ballast device as claimed in claim 1 to 7
Method, it is characterised in that the following steps are included:
1, in the pre-buried anchor plate in closure section two sides (13), two sides balance grouting section (1) construction is completed by cast-in-place cantilever method, and
Conserve design strength；
2, movable hanging basket, installation template；
3, it carries out water tank (2) counterweight: in front of across closure segment locking, two water tanks (2) being respectively placed at closure section
Two sides, then by communicating pipe (7) connection connection, close drain valve (4), with water pump, the water filling into water tank (2), checks liquidometer
(5), to stopping injection after design scale；
5, two vertical ducts (12) of adjustment installation, make two interior liquid levels of vertical duct (12) maintain an equal level, and write down the initial scale value of liquid level；
6, closure segment stiff skeleton is installed: the pre-buried anchoring in connection bridge closure section two sides is respectively welded with rigid connecting rod (14)
Plate (13)；
7, start to pour closure section concrete, open simultaneously drain valve (4), guarantee that the mass velocity that drain valve 4 sluices is equal to conjunction
The mass velocity that imperial section concrete pours, water tank (4) interior water has been let out while closure section concreting is completed；
8, it is covered and is conserved after the completion of concreting, until reaching design strength.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910264482.4A CN110258332A (en) | 2019-04-03 | 2019-04-03 | Closure linker water tank ballast device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910264482.4A CN110258332A (en) | 2019-04-03 | 2019-04-03 | Closure linker water tank ballast device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110258332A true CN110258332A (en) | 2019-09-20 |
Family
ID=67913460
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910264482.4A Pending CN110258332A (en) | 2019-04-03 | 2019-04-03 | Closure linker water tank ballast device and method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102493362A (en) * | 2011-11-24 | 2012-06-13 | 中铁二十三局集团有限公司 | Construction method for midspan closure segment of longspan continuous rigid frame bridge |
| KR101242842B1 (en) * | 2012-07-31 | 2013-03-12 | 권예지 | Construction method for corrugated steel plate web-psc composite beam |
| CN204550465U (en) * | 2015-03-13 | 2015-08-12 | 中冶焦耐工程技术有限公司 | The power-saving balanced water tank that a kind of liquid level is adjustable |
| CN206146396U (en) * | 2016-10-21 | 2017-05-03 | 山西省交通科学研究院 | Stride bridge cantilever greatly and fold vertical deformation monitoring system |
| CN108716189A (en) * | 2018-06-05 | 2018-10-30 | 中交第二航务工程局有限公司 | Large span T-steel structure beam sections for joining island bridge install closure method |
-
2019
- 2019-04-03 CN CN201910264482.4A patent/CN110258332A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102493362A (en) * | 2011-11-24 | 2012-06-13 | 中铁二十三局集团有限公司 | Construction method for midspan closure segment of longspan continuous rigid frame bridge |
| KR101242842B1 (en) * | 2012-07-31 | 2013-03-12 | 권예지 | Construction method for corrugated steel plate web-psc composite beam |
| CN204550465U (en) * | 2015-03-13 | 2015-08-12 | 中冶焦耐工程技术有限公司 | The power-saving balanced water tank that a kind of liquid level is adjustable |
| CN206146396U (en) * | 2016-10-21 | 2017-05-03 | 山西省交通科学研究院 | Stride bridge cantilever greatly and fold vertical deformation monitoring system |
| CN108716189A (en) * | 2018-06-05 | 2018-10-30 | 中交第二航务工程局有限公司 | Large span T-steel structure beam sections for joining island bridge install closure method |
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Application publication date: 20190920 |