CN208105013U - A kind of buoyancy tank that inner wall steel plate is combined with ultra-high performance concrete - Google Patents
A kind of buoyancy tank that inner wall steel plate is combined with ultra-high performance concrete Download PDFInfo
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- CN208105013U CN208105013U CN201820153082.7U CN201820153082U CN208105013U CN 208105013 U CN208105013 U CN 208105013U CN 201820153082 U CN201820153082 U CN 201820153082U CN 208105013 U CN208105013 U CN 208105013U
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- buoyancy tank
- wall steel
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Abstract
A kind of buoyancy tank that inner wall steel plate is combined with ultra-high performance concrete, including inner wall steel plate, outer layer UHPC very-high performance armoured concrete slab, longitudinal baffle and circumferential diaphragm plate.Wherein, buoyancy tank outer profile is cuboid, internal to be divided into multiple cabins by longitudinal baffle and circumferential diaphragm plate, is full of dry gas in cabin.Inner wall steel plate is effectively connect with outer layer UHPC very-high performance armoured concrete slab by Welded-Stud Conectors.Longitudinal baffle is steel shell lightweight concrete composition structure or ribbed steel structure, and circumferential diaphragm plate is steel plate structure.Longitudinal baffle, circumferential diaphragm plate and inner wall steel plate pass through welded connecting, the inner template that inner wall steel plate is poured as buoyancy tank outer layer UHPC very-high performance armoured concrete slab, outer layer UHPC very-high performance armoured concrete slab is using upper lower leaf, longitudinal construction method jumping storehouse and pouring.The utility model provides a kind of light-duty, high-strength, durable novel buoyancy tank, can be used for the structure of crossing a river of pontoon structure and other particular/special requirements.
Description
Technical field
The utility model belongs to technical field of bridge engineering more particularly to a kind of inner wall steel plate and ultra-high performance concrete group
The buoyancy tank of conjunction.
Background technique
With the fast development of economical activities of mankind, the utilization of island and coastal waters and offshore is increasingly by the pass of people
Note.Pontoon bridge as the special bridge on communications and transportation line, with pontoon bridge across rivers be for the special of economy or military aspect
It needs and builds.
Currently, longest pontoon bridge is the Washington lake SR520 pontoon bridge opened in 2016, the depth of water about 70m, overall length in the world
2350m, wide about 39.6m, two-way+2 pavements in 6 lane design service life 75 years, use 33 huge watertight aircases altogether.
The Bergsoyfjord pontoon bridge that other more representational pontoon bridges set up for Norway in 1992, depth of water 320m, overall length 931m,
Horizontal curvature radius of curvature is 1300m, and altogether using 7 concrete buoyancy tank bases, upper beam uses steel pipe truss structures.Philippine
Domestic island are numerous, planned multiple bridge spanning the sea projects, plan the archipelago ISAYAS, the south at northern Luzon archipelago, middle part
Mindanao archipelago connected by bridge, due to Philippine's sea area maximum water depth reach 500m, pontoon bridge is unique economically feasible
Scheme.Currently, the civilian pontoon bridge in China is mainly used in cross a river (lake), wherein with most across the Yellow River pontoon bridge.The Yellow River pontoon bridge
In, for the pontoon bridge for the heavy vehicle that can pass through based on binary pressure-bearing boat, the typical scheme of the type is the Yellow River Wu king pontoon bridge, and pontoon bridge is long
600 meters, two-direction road, 120 tons of dead weight.Domestic pontoon bridge scheme is relatively single, for there is large ship navigation to want
The pontoon bridge asked there is no related Floating Bridge Design.According to correlative study, build pontoon bridge cost about build fixed bridge, tunnel or
The 50% of genuine cost.Therefore, pontoon bridge has wide development space in the following deep water sea area bridge construction.
From the point of view of current pontoon bridge construction situation both at home and abroad, for pontoon bridge length within 2500m, majority is inland sea and river (lake)
Pontoon bridge there is no the construction precedent of long range off-lying sea pontoon bridge.Off-lying sea pontoon bridge is built compared with cross a river (lake), and there are more technologies to ask
The problems such as inscribing, such as resisting typhoon, tsunami, and the Rigidity etc. of overlength pontoon bridge how is solved, and existing installation is at sea
Floating box structure generally use ordinary reinforced concrete material, and these buoyancy tanks are by for a long time and contact with sea water, will cause environment
Pollution, such as the problems such as due to steel bar corrosion caused by saltouing and concrete erosion.
Therefore, the novel floating box structure that research intensity is high, rigidity is big, waterproofness and durability are good is needed.
Utility model content
(1) technical problems to be solved
To overcome the disadvantages of existing concrete buoyancy tank intensity is low, rigidity is small, waterproofness and durability are poor, weight is big, this reality
A kind of buoyancy tank that inner wall steel plate is combined with ultra-high performance concrete is provided with novel, it is made to have both excellent stress performance, resistance to
Long property, economy, and there is good environmental-protecting performance.
(2) technical solution
In order to achieve the above object, the utility model provides, and that a kind of inner wall steel plate combines with ultra-high performance concrete is floating
Case, outer layer UHPC very-high performance armoured concrete slab on the outside of inner wall steel plate, the inner wall steel plate including cabinet surrounding, one
Or multiple longitudinal baffles and multiple circumferential diaphragm plates, wherein the longitudinal baffle is vertical with the inner wall steel plate of top of the box and bottom
And be fixedly connected, cabinet is divided into several units, one or more circumferential diaphragm plates are fixed in each unit, it is described circumferential horizontal
Partition is vertical with longitudinal baffle, and box house is divided into multiple cabins.
Preferably, the inner wall steel plate is anti-corrosion steel plate, and putting more energy into for U-typed, T-shape or " I " type is arranged in inner surface
Rib, outer surface are attached by connector and outer layer UHPC very-high performance armoured concrete slab.
Preferably, the inner wall steel plate with a thickness of 8mm~16mm, the diameter of the connector is 13mm~22mm, high
Degree is 40mm~120mm.
Preferably, the outer layer UHPC very-high performance armoured concrete slab is the very-high performance reinforced concrete of configuration reinforcement net
Soil structure；The steel mesh is Epoxy Resin Coated Steel Bars；Compression strength >=150MPa of UHPC ultra-high performance concrete, tension
Intensity >=10MPa, slump >=180mm.
Preferably, the top plate of the outer layer UHPC very-high performance armoured concrete slab with a thickness of 6cm~20cm, side plate
With a thickness of 6cm~16cm, bottom plate with a thickness of 6cm~12cm；The diameter of the steel mesh is 8mm~12mm, is arranged 2~3 layers.
Preferably, the longitudinal baffle is steel shell lightweight concrete composition structure or ribbed steel structure, and steel shell lightweight is mixed
The steel shell of solidifying soil composite structure is anti-corrosion steel plate, and with a thickness of 8mm~10mm, the surface setting connecting with lightweight concrete connects
Fitting, strength grade LC50~LC70, the 1800~2150kg/m3 of density of lightweight concrete.
Preferably, the circumferential diaphragm plate be arranged rounded corner top it is wide, laterally and the hollow ring structure of narrow base,
It uses anti-corrosion steel plate, and steel plate thickness is 12mm~16mm.
Preferably, dry gas is full of in buoyancy tank cabin, the dry gas is selected from dry air or inert gas.
Preferably, setting dehumidifying corrosion protection system in buoyancy tank, makes to remain dry environment inside buoyancy tank.
Preferably, the longitudinal baffle, the circumferential diaphragm plate and the inner wall steel plate are by being welded to connect, the inner wall
The inner template that steel plate is poured as the outer layer UHPC very-high performance armoured concrete slab, the outer layer UHPC very-high performance reinforcing bar
Concrete slab is formed using the construction method that upper lower leaf, longitudinal jump storehouse pour.
(3) beneficial effect
It can be seen from the above technical proposal that the major advantage of the utility model compared with the existing technology is：
(1) inner wall steel plate combines knot with the novel super-high performance steel reinforced concrete that outer layer UHPC very-high performance armoured concrete slab forms
The intensity of structure buoyancy tank is high, toughness is strong, rigidity is big, can scientifically and rationally undertake top carload, lateral wave current load and ship
The effect of oceangoing ship impact load；
(2) inner wall steel plate combines knot with the novel super-high performance steel reinforced concrete that outer layer UHPC very-high performance armoured concrete slab forms
The durability of structure buoyancy tank, waterproof performance are excellent, and seawater corrosion can be effectively prevented, and protect the marine environment from pollution；
(3) buoyancy tank inner wall steel plate, longitudinal baffle, circumferential diaphragm plate steel construction be all made of corrosion resistance steel plate, it is internal every
Cabin is full of the inert gases such as dry air or helium, neon, and is effectively ensured inside buoyancy tank always by setting dehumidifying corrosion protection system
Dry environment is kept, to be obviously improved the normal use performance and endurance quality of buoyancy tank；
(4) inner wall steel plate combines knot with the novel super-high performance steel reinforced concrete that outer layer UHPC very-high performance armoured concrete slab forms
Structure buoyancy tank, and its longitudinal baffle is steel shell lightweight concrete composition structure or ribbed steel structure, realizes the light of floating box structure
Type, processing, transport, install convenient, equipment requirement is low, and the erection period is short, good economy performance；
(5) main bearing member of the inner wall steel plate as floating box structure, while doubling as being buoyancy tank outer layer UHPC very-high performance
The inner template that armoured concrete slab pours, and outer layer UHPC very-high performance armoured concrete slab is using upper lower leaf, longitudinal jump storehouse
Pouring construction saves material, easy for construction, good economy performance.
Detailed description of the invention
Fig. 1 is the floating box structure schematic diagram that inner wall steel plate provided by the utility model is combined with ultra-high performance concrete；
Fig. 2 is the buoyancy tank diagrammatic cross-section that inner wall steel plate provided by the utility model is combined with ultra-high performance concrete；
Fig. 3 is the buoyancy tank top plate part full-page proof A that inner wall steel plate provided by the utility model is combined with ultra-high performance concrete
Schematic diagram；
Fig. 4 is the buoyancy tank circumferential direction diaphragm plate full-page proof that inner wall steel plate provided by the utility model is combined with ultra-high performance concrete
Figure；
Fig. 5 is the buoyancy tank stress diagram that inner wall steel plate provided by the utility model is combined with ultra-high performance concrete；
Fig. 6 is the buoyancy tank pouring plan that inner wall steel plate provided by the utility model is combined with ultra-high performance concrete.
Description of symbols：
1- inner wall steel plate；2- outer layer UHPC very-high performance armoured concrete slab；3- longitudinal baffle；4- circumferential direction diaphragm plate；5-
Dry gas；6- ribbed stiffener；7- Welded-Stud Conectors；8- steel mesh.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below in conjunction with specific embodiment, and
Referring to attached drawing, the utility model is further described.
As depicted in figs. 1 and 2, the buoyancy tank that inner wall steel plate provided by the utility model is combined with ultra-high performance concrete floats
Case outer profile is cuboid, height h on the water surface1, height h under the water surface2, inner wall steel plate 1, inner wall steel including cabinet surrounding
Outer layer UHPC very-high performance armoured concrete slab 2, multiple longitudinal baffles 3 and multiple circumferential diaphragm plates 4 in 1 outside of plate.Wherein indulge
It is vertical with the inner wall steel plate 1 of top of the box and bottom to partition 3 and be fixedly connected, cabinet is divided into several units, each unit
One or more circumferential diaphragm plates 4 are inside fixed with, circumferential diaphragm plate 4 is vertical with longitudinal baffle 3, and box house is divided into multiple cabins
Room.Dry gas 5 is filled in cabin.
As shown in figure 3, inner wall steel plate 1 is anti-corrosion steel plate, with a thickness of 8mm~16mm, inner surface is according to force request
Settable U-typed, T-shape, " I " type ribbed stiffener 6, outer surface passes through Welded-Stud Conectors 7 and outer layer UHPC very-high performance steel
Reinforced concrete plate 2 is effectively connected.Wherein, the diameter of Welded-Stud Conectors 7 is 13mm~22mm, is highly 40mm~120mm.
As shown in figure 4, buoyancy tank top plate is under carload effect, top plate lower edge is in tension state；Buoyancy tank sidewall paneling exists
Under the effect of wave current power, inner wall is in tension state；For buoyancy tank bottom plate under effect of water pressure, bottom plate upper limb is in tension state.This
The buoyancy tank that the inner wall steel plate that utility model provides is combined with ultra-high performance concrete can give full play to steel using inner wall steel plate 1
The strong advantage of tensile capacity, meanwhile, buoyancy tank outer layer UHPC very-high performance armoured concrete slab 2 is in three dimension stress state, sufficiently
The strong feature of concrete anti-compression ability is played.
Outer layer UHPC very-high performance armoured concrete slab 2 is the very-high performance reinforced concrete structure of configuration reinforcement net 8.Its
In, outer layer UHPC very-high performance armoured concrete slab 2 buoyancy tank top plate, side plate and bottom plate position thickness according to structure stress,
Life requirement determines, in top plate with a thickness of 6cm~20cm, side plate with a thickness of 6cm~16cm, bottom plate with a thickness of
6cm~12cm；Steel mesh 8 is Epoxy Resin Coated Steel Bars, and diameter is 8mm~12mm, is arranged 2~3 layers；Ultra-high performance concrete
Compression strength >=150MPa, tensile strength >=10MPa, slump >=180mm, with excellent intensity, toughness and good
Workability.
Longitudinal baffle 3 is steel shell lightweight concrete composition structure or ribbed steel structure, steel shell lightweight concrete composition knot
The steel shell of structure is anti-corrosion steel plate, with a thickness of 8mm~10mm, the surface setting Welded-Stud Conectors being connect with lightweight concrete,
The strength grade of lightweight concrete is LC50~LC70, density is 1800~2150kg/m3。
As shown in figure 5, circumferential diaphragm plate 4 be arranged rounded corner top it is wide, laterally and the hollow ring structure of narrow base,
It uses anti-corrosion steel plate, and steel plate thickness is 12mm~16mm.
It is full of dry gas 5 in buoyancy tank cabin, can be the inert gases such as dry air or helium, neon, and be arranged in buoyancy tank
Dehumidify corrosion protection system, can make to remain dry environment inside buoyancy tank.
With inner wall steel plate 1 by being welded to connect, inner wall steel plate 1 is used as buoyancy tank outer layer for longitudinal baffle 3, circumferential diaphragm plate 4
The inner template that UHPC very-high performance armoured concrete slab 2 pours, outer layer UHPC very-high performance armoured concrete slab 2 is using upper and lower point
Layer, longitudinal construction method jumping storehouse and pouring, are shown in Fig. 6.The specific method is as follows：
(1) inner wall steel plate 1 and steel mesh 8, longitudinal baffle 3, circumferential diaphragm plate 4, ribbed stiffener 6 are processed in processing factory, and poured
The baseplate reinforcing bar concrete for building outer layer UHPC very-high performance armoured concrete slab 2, is shown in Fig. 6 (a)；
(2) the side plate lower rebar concrete for pouring buoyancy tank outer layer UHPC very-high performance armoured concrete slab 2, is then transferred to
It is longitudinal to jump storehouse, see Fig. 6 (b)；
(3) the side plate upper reinforcement concrete for pouring buoyancy tank outer layer UHPC very-high performance armoured concrete slab 2, is then transferred to
It is longitudinal to jump storehouse, see Fig. 6 (c)；
(4) the roof steel bar concrete for pouring buoyancy tank outer layer UHPC very-high performance armoured concrete slab 2, is then transferred to longitudinal direction
Storehouse is jumped, sees Fig. 6 (d).
(5) when longitudinal direction pours, buoyancy tank is demarcated with circumferential diaphragm plate 4, longitudinally divided is n segment, and every sub-symmetry pours 2
A segment, pouring sequence is n-3 → n-1 → n-2 → n, sees Fig. 6 (e).
After the completion of pouring, need to carry out buoyancy tank outer layer UHPC very-high performance armoured concrete slab 2 steam-cured.
The utility model provides a kind of novel lightization combination floating box structure, with overall stiffness is big, intensity is high, toughness
By force, waterproofness and the advantages that good durability, can be used under marine pontoon structure and other particular/special requirements structure of crossing a river.
Particular embodiments described above has carried out into one the purpose of this utility model, technical scheme and beneficial effects
Step is described in detail, it should be understood that the foregoing is merely specific embodiment of the utility model, are not limited to this reality
With novel, within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done should all include
It is within the protection scope of the utility model.
Claims (10)
1. a kind of buoyancy tank that inner wall steel plate is combined with ultra-high performance concrete, inner wall steel plate (1) including cabinet surrounding, it is described in
Outer layer UHPC very-high performance armoured concrete slab (2), one or more longitudinal baffles (3) and multiple rings on the outside of wall steel plate (1)
To diaphragm plate (4), wherein the longitudinal baffle (3) is vertical with the inner wall steel plate (1) of top of the box and bottom and is fixedly connected, it will
Cabinet is divided into several units, is fixed with one or more circumferential diaphragm plates (4) in each unit, the circumferential direction diaphragm plate (4) with
Longitudinal baffle (3) vertically, by box house is divided into multiple cabins.
2. the buoyancy tank that inner wall steel plate according to claim 1 is combined with ultra-high performance concrete, which is characterized in that in described
Wall steel plate (1) is anti-corrosion steel plate, and the ribbed stiffener (6) of U-typed, T-shape or " I " type is arranged in inner surface, and outer surface passes through
Connector (7) is attached with the outer layer UHPC very-high performance armoured concrete slab (2).
3. the buoyancy tank that inner wall steel plate according to claim 2 is combined with ultra-high performance concrete, which is characterized in that in described
Wall steel plate (1) is anti-corrosion steel plate, and with a thickness of 8mm~16mm, the diameter of the connector (7) is 13mm~22mm, is highly
40mm~120mm.
4. the buoyancy tank that inner wall steel plate according to claim 1 is combined with ultra-high performance concrete, which is characterized in that described outer
Layer UHPC very-high performance armoured concrete slab (2) is the very-high performance reinforced concrete structure of configuration reinforcement net (8)；The reinforcing bar
Net (8) is Epoxy Resin Coated Steel Bars；Compression strength >=150MPa of UHPC ultra-high performance concrete, tensile strength >=10MPa,
Slump >=180mm.
5. the buoyancy tank that inner wall steel plate according to claim 4 is combined with ultra-high performance concrete, which is characterized in that described outer
Layer UHPC very-high performance armoured concrete slab (2) top plate with a thickness of 6cm~20cm, side plate with a thickness of 6cm~16cm, bottom plate
With a thickness of 6cm~12cm；The diameter of the steel mesh (8) is 8mm~12mm, is arranged 2~3 layers.
6. the buoyancy tank that inner wall steel plate according to claim 1 is combined with ultra-high performance concrete, which is characterized in that described vertical
It is steel shell lightweight concrete composition structure or ribbed steel structure, the steel shell of steel shell lightweight concrete composition structure to partition (3)
For anti-corrosion steel plate, with a thickness of 8mm~10mm, connector is arranged in the surface connecting with lightweight concrete, lightweight concrete
Strength grade LC50~LC70,1800~2150kg/m of density3。
7. the buoyancy tank that inner wall steel plate according to claim 1 is combined with ultra-high performance concrete, which is characterized in that the ring
To diaphragm plate (4) be arranged rounded corner top is wide, lateral and narrow base hollow ring structure, use anti-corrosion steel plate,
Steel plate thickness is 12mm~16mm.
8. the buoyancy tank that inner wall steel plate according to claim 1 is combined with ultra-high performance concrete, which is characterized in that buoyancy tank cabin
Interior is full of dry gas (5), and the dry gas (5) is selected from dry air or inert gas.
9. the buoyancy tank that inner wall steel plate according to claim 1 is combined with ultra-high performance concrete, which is characterized in that in buoyancy tank
Setting dehumidifying corrosion protection system, can make to remain dry environment inside buoyancy tank.
10. the buoyancy tank that inner wall steel plate according to claim 1 is combined with ultra-high performance concrete, which is characterized in that described
By being welded to connect, the inner wall steel plate (1) is made for longitudinal baffle (3), the circumferential diaphragm plate (4) and the inner wall steel plate (1)
For the inner template that the outer layer UHPC very-high performance armoured concrete slab (2) pours, the outer layer UHPC very-high performance reinforcing bar is mixed
The construction method that lower leaf, longitudinal jump storehouse pour in concrete board (2) use is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820153082.7U CN208105013U (en) | 2018-01-29 | 2018-01-29 | A kind of buoyancy tank that inner wall steel plate is combined with ultra-high performance concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820153082.7U CN208105013U (en) | 2018-01-29 | 2018-01-29 | A kind of buoyancy tank that inner wall steel plate is combined with ultra-high performance concrete |
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| CN208105013U true CN208105013U (en) | 2018-11-16 |
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| CN201820153082.7U Active CN208105013U (en) | 2018-01-29 | 2018-01-29 | A kind of buoyancy tank that inner wall steel plate is combined with ultra-high performance concrete |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108239916A (en) * | 2018-01-29 | 2018-07-03 | 中交公路长大桥建设国家工程研究中心有限公司 | The buoyancy tank that a kind of inner wall steel plate is combined with ultra-high performance concrete |
| CN113636031A (en) * | 2021-09-17 | 2021-11-12 | 清华大学 | Marine large-scale steel sheet-concrete combination box formula body platform structure |
-
2018
- 2018-01-29 CN CN201820153082.7U patent/CN208105013U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108239916A (en) * | 2018-01-29 | 2018-07-03 | 中交公路长大桥建设国家工程研究中心有限公司 | The buoyancy tank that a kind of inner wall steel plate is combined with ultra-high performance concrete |
| CN108239916B (en) * | 2018-01-29 | 2023-08-22 | 中交公路长大桥建设国家工程研究中心有限公司 | Floating box with inner wall steel plate and ultra-high performance concrete combined |
| CN113636031A (en) * | 2021-09-17 | 2021-11-12 | 清华大学 | Marine large-scale steel sheet-concrete combination box formula body platform structure |
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