CN110424805A - Light-duty UHPC- grid concrete sandwich composite anti-penetrating easily repairs tank - Google Patents
Light-duty UHPC- grid concrete sandwich composite anti-penetrating easily repairs tank Download PDFInfo
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- CN110424805A CN110424805A CN201910751810.3A CN201910751810A CN110424805A CN 110424805 A CN110424805 A CN 110424805A CN 201910751810 A CN201910751810 A CN 201910751810A CN 110424805 A CN110424805 A CN 110424805A
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- communicating pipe
- tank
- inner casing
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- 239000004567 concrete Substances 0.000 title claims abstract description 71
- 230000008439 repair process Effects 0.000 title claims abstract description 20
- 239000002131 composite material Substances 0.000 title claims description 16
- 239000011374 ultra-high-performance concrete Substances 0.000 claims abstract description 267
- 238000010146 3D printing Methods 0.000 claims abstract description 45
- 238000004519 manufacturing process Methods 0.000 claims abstract description 24
- 238000009434 installation Methods 0.000 claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 35
- 239000010959 steel Substances 0.000 claims description 35
- 239000000463 material Substances 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 239000002002 slurry Substances 0.000 claims description 16
- 239000000835 fiber Substances 0.000 claims description 9
- 238000000465 moulding Methods 0.000 claims description 9
- 239000004568 cement Substances 0.000 claims description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 239000010703 silicon Substances 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 239000003638 chemical reducing agent Substances 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 239000004576 sand Substances 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims 2
- 238000012423 maintenance Methods 0.000 abstract description 8
- 238000002360 preparation method Methods 0.000 abstract description 5
- 230000009467 reduction Effects 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 230000008602 contraction Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 230000035699 permeability Effects 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 230000015271 coagulation Effects 0.000 description 3
- 238000005345 coagulation Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000007655 standard test method Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 239000000378 calcium silicate Substances 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 239000004574 high-performance concrete Substances 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000005449 particle theory Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 239000008030 superplasticizer Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H7/00—Construction or assembling of bulk storage containers employing civil engineering techniques in situ or off the site
- E04H7/02—Containers for fluids or gases; Supports therefor
- E04H7/18—Containers for fluids or gases; Supports therefor mainly of concrete, e.g. reinforced concrete, or other stone-like material
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Ceramic Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention discloses a kind of light-duty UHPC antiseepages easily to repair tank and preparation method thereof, and tank includes UHPC shell, UHPC inner casing, UHPC upper cover and 3D printing grid concrete, and production method includes lifting UHPC shell to the installation site point of tank；3D printing grid concrete is uniformly laid in the bottom of UHPC shell, forms 3D printing grid concrete cushion；UHPC inner casing is lifted to UHPC interior of shell, and is carried on 3D printing grid concrete cushion；Space between shell side wall in UHPC shell and UHPC is filled by 3D printing grid concrete, forms the main structure of tank；UHPC upper cover is covered in main structure, tank is formed.The present invention is that tank and preparation method thereof is easily repaired in the UHPC- grid concrete sandwich antiseepage of a kind of thickness that can greatly reduce wall, saving space, reduction later maintenance cost.
Description
Technical field
The present invention relates to tank manufacture technology fields, more particularly to a kind of thickness that can greatly reduce wall, saving
Space, the light-duty UHPC- grid concrete sandwich composite anti-penetrating for reducing later maintenance cost easily repair tank and its system
Make method.
Background technique
In recent years, tier building, skyscraper and Big Residential District are more and more, so to tank such as fire cistern
A kind of demand is also higher and higher, and tank not only occupies huge space, and careless slightly the water leakage situation that seeps water will occur.
Resident's production and life can be not only seriously affected, can also waste huge resource for maintenance and reinforcement.On existing material market
Although there are many waterproof materials, durability is poor, the higher large area of price is for tank or not-so-practical, later period dimension
Protect higher cost.
1. traditional tank: conventional steel bar concrete tank bears huge hydraulic pressure, regular reinforcement at pond baseboard
Concrete pore is big, and infiltration, which easily occurs, for the later period leads to steel bar corrosion, and then is easy to produce percolating water situation, and durability is poor.
2. traditional stainless steel material tank, steel have corrosion problem, lateral rigidity is small, is easy to happen under high hydraulic pressure in the wrong
Song, therefore cannot be used for the biggish tank of volume, later maintenance cost is high.
3. traditional tank: the wallboard of traditional tank uses concrete structure, and intensity is low and non-watertight, thus need by
Wall do it is very thick supply a gap, which results in tanks to occupy excessive space, the larger and construction cost of being self-possessed
Raising.
The shortcomings that overcome the above technology, the present invention propose that tank is easily repaired in a kind of antiseepage, the intensity of UHPC superelevation and close
Real performance both solves leakage problems, but also with good economic benefit；And its unique sandwich structure can allow tank
There is a second protection mechanism, also avoids cumbersome secondary maintenance innovation.
Therefore, the thickness of wall can be greatly reduced, reduce self weight, Yi Xiufu, save space, reduce by needing one kind
The light-duty UHPC- grid concrete sandwich composite anti-penetrating of later maintenance cost easily repairs tank and preparation method thereof.
Summary of the invention
The object of the present invention is to provide one kind can greatly reduce the thickness of wall, saves space, reduction later period dimension
The light-duty UHPC- grid concrete sandwich composite anti-penetrating of shield cost easily repairs tank and preparation method thereof.
To achieve the goals above, technical solution provided by the invention are as follows: a kind of UHPC antiseepage is provided and easily repairs tank
Production method, wherein tank includes UHPC shell, UHPC inner casing, UHPC upper cover and 3D printing grid concrete, production method
Include the following steps:
The UHPC shell is lifted to the installation site point of the tank；
3D printing grid concrete is uniformly laid in the bottom of the UHPC shell, forms 3D printing grid concrete mats
Layer；
The UHPC inner casing is lifted to the UHPC interior of shell, and is carried on the 3D printing grid concrete cushion
On；
Space between shell side wall in the UHPC shell and UHPC is filled out by the 3D printing grid concrete
It fills, forms the main structure of the tank；
The UHPC upper cover is covered in the main structure, the tank is formed.
The UHPC shell and UHPC inner casing pour in advance in factory and conserve molding.
Angle steel is equably laid on the outer wall of the inner wall of the UHPC shell and the UHPC inner casing, the angle steel is used
It is limited in the 3D printing concrete, the angle steel laid on the UHPC outer casing inner wall pours together with the UHPC shell
Build up type, the angle steel laid on UHPC inner casing outer wall pouring molding together with the UHPC inner casing.
Further include the steps that making communicating pipe, at least two tanks can be connected to one by the communicating pipe
It rises.
The making step of the communicating pipe includes: the UHPC cage connection communicating pipe the step of and in the UHPC
Shell connects the step of pipe:
The step of UHPC cage connection communicating pipe includes:
The UHPC shell and the inner wall of the communicating pipe junction form one the oneth UHPC boss；
In the first UHPC boss centre make one first groove, through first groove slot bottom with it is described
Shell aperture of the outer wall production one of UHPC shell for allowing the communicating pipe to pass through；
The communicating pipe passes through the shell aperture；
The communicating pipe is fixed in first groove by a first flange disk, and by UHPC slurry to described the
One groove, which is sealed, to be filled up；
The step of UHPC inner casing connects pipe include:
The UHPC inner casing and the inner wall of the communicating pipe junction form one the 2nd UHPC boss；
In the 2nd UHPC boss centre make one second groove, through second groove slot bottom with it is described
The outer wall production one of UHPC inner casing is for allowing the interior housing hole passed through the communicating pipe；
The communicating pipe passes through the interior housing hole；
The communicating pipe is fixed in second groove by a second flange disk, and by UHPC slurry to described the
Two grooves, which are sealed, to be filled up；
Another technical solution provided by the invention: a kind of UHPC antiseepage is provided and easily repairs tank, comprising: UHPC shell,
UHPC inner casing, UHPC upper cover and 3D printing grid concrete, the UHPC shell and UHPC inner casing are structure as a whole, and described
Space of the 3D printing grid Concrete Filled between the UHPC shell and UHPC inner casing, the upper cover are covered on the UHPC
Above shell and UHPC inner casing.
Angle steel is equably laid on the outer wall of the inner wall of the UHPC shell and the UHPC inner casing, the angle steel is used
It is limited in the 3D printing concrete.
It further include communicating pipe, the two neighboring tank can be connected to by the communicating pipe, each tank
UHPC shell and UHPC inner casing are tightly connected with the communicating pipe.
The UHPC shell and the inner wall of the communicating pipe junction form one the oneth UHPC boss, the first UHPC
The centre of boss offers the first groove, opens up one through the slot bottom of first groove and the outer wall of the UHPC shell
Shell aperture for allowing the communicating pipe to pass through passes through the shell aperture communicating pipe, the communicating pipe passes through one first method
Blue disk is fixed in first groove, and is sealed and is filled up to first groove by UHPC slurry；
The UHPC inner casing and the inner wall of the communicating pipe junction form one the 2nd UHPC boss, the 2nd UHPC
The centre of boss offers the second groove, opens up one through the slot bottom of second groove and the outer wall of the UHPC inner casing
Interior housing hole for allowing the communicating pipe to pass through passes through the interior housing hole communicating pipe, the communicating pipe passes through one second method
Blue disk is fixed in second groove, and is sealed and is filled up to second groove by UHPC slurry.
Technical solution provided by the invention also provides a kind of UHPC material, for making light-duty UHPC- grid concrete three
Mingzhi's composite anti-penetrating easily repairs tank, the component including following parts by weight:
18-22 parts of water；
108-114 parts of cement；
15-19 parts of silicon ash；
20-25 parts of miberal powder；
100-110 parts of sand；
15-20 parts of steel fibre；
2.5-3.8 parts of water-reducing agent；
0.4-0.6 parts of economization agent；
0.2-0.4 parts of retarder.
The present invention has easy to assembly, easy popularization and application of constructing, construction material waterproof, the spy that architecture structure form is easily repaired
Point has preferable economy.Compared with traditional tank, have the following characteristics that solve tank wall because of swollen generation of becoming rusty
Crack and the problem of leak；When durability occurs in tank structure, maintenance is gone to add without wasting huge financial resource and material resource
Gu penetration concrete can form a new intact tank directly into reserved middle layer hole.In addition, of the invention
Or a kind of light-duty tank, very convenient during processing, transport and assembly, light-duty to be embodied in: the present invention is logical
It crosses UHPC shell, UHPC inner casing, 3D printing grid Combined concrete to form, can be made thinner than traditional concrete.Again
Person, UHPC have the advantages that more closely knit, and for conventional concrete, intensity is higher, and durability is more preferable, is also equipped with self-healing
Can, for stainless steel material tank, there is no corrosion and the small problems of lateral rigidity.
Through the following description and in conjunction with the attached drawings, the present invention will become more fully apparent, these attached drawings are used to explain the present invention
Embodiment.
Detailed description of the invention
Fig. 1 show the flow chart that the production method of tank is easily repaired in UHPC antiseepage of the present invention.
Fig. 2 show the implementation that the light-duty UHPC- grid concrete sandwich composite anti-penetrating of the present invention easily repairs tank
The schematic diagram of example.
Light-duty UHPC- grid concrete sandwich composite anti-penetrating as shown in Figure 2 shown in Fig. 3 easily repairs being lifted on for tank
Schematic diagram in foundation pit.
Fig. 4 show the light-duty UHPC- grid concrete sandwich composite anti-penetrating of the present invention and easily repairs tank production communicating pipe
Flow chart.
Fig. 5, which is shown, connects the step block diagram of pipe in UHPC shell and UHPC inner casing.
Fig. 6, which is shown, connects the structural schematic diagram of pipe in UHPC shell and UHPC inner casing.
Specific embodiment
The embodiment of the present invention described referring now to the drawings, similar element numbers represent similar element in attached drawing.Such as
It is upper described, with reference to shown in Fig. 1,2,3,4, the production method that tank is easily repaired in the UHPC antiseepage of the embodiment of the present invention, wherein water storage
Pond 100 includes UHPC shell 1, UHPC inner casing 2, UHPC upper cover (not showing on figure) and 3D printing grid concrete 3, the UHPC
Shell 1 and UHPC inner casing 2 are bottom plate and side plate integrated formed structure, and the shape of the UHPC shell 1 and UHPC inner casing 2 is logical
Often it is rectangle, long waist type or cylindrical structure, including bottom plate and is integrally formed the side plate being connected on the bottom plate.
In all embodiments of the present invention, the shape of the UHPC shell 1 and UHPC inner casing 2 is that rectangle conduct is shown
Example is illustrated.
The volume of the volume ratio UHPC inner casing 2 of the UHPC shell 1 is slightly larger, and the UHPC inner casing 2 is made to be embedded in institute
It states inside UHPC shell 1, and passes through 3 conduct of 3D printing grid concrete between the UHPC shell 1 and the UHPC inner casing 2
Sandwich of layers.When the tank 100 fills water, water pressure suffered by the UHPC inner casing 2 passes through the UHPC inner casing 2
Bottom wall and side wall pass to the 3D printing grid concrete 3, then are passed to by the 3D printing grid concrete 3 described
The bottom wall and side wall of UHPC shell 1, so that total uniform stressed as much as possible.
The production method that tank is easily repaired in the UHPC antiseepage of the embodiment of the present invention includes the following steps:
S001 lifts the UHPC shell to the installation site point of the tank；It should be noted that the water storage
Pond 100 before being made, need the construction land to the tank 100 arrange it is smooth, to the UHPC shell 1
When lifting to the installation site point, it is ensured that the UHPC shell 1 is placed smooth.
S002 uniformly lays 3D printing grid concrete in the bottom of the UHPC shell, it is mixed to form 3D print grid
Solidifying soil padding；It has mentioned above, the UHPC inner casing 2 is embedded in inside the UHPC shell 1, and the UHPC shell 1 and institute
It states between UHPC inner casing 2 through the 3D printing grid concrete 3 as sandwich of layers.In the UHPC shell 1 and UHPC
Space between shell 2 can be reduced to greatest extent as laminboard layer by the 3D printing grid concrete 3 and be built than narrow
It builds material and the pressure of water suffered by the UHPC inner casing 2 can be made to pass through the i.e. described 3D of sandwich of layers as homogeneously as possible
Print grid concrete 3 is transmitted to the UHPC shell 1.Therefore, by step S001, when the UHPC shell 1 is scheduled
After installation site point lifts, before not entering step S003, first equably laid 1 bottom of UHPC shell is located at
The 3D printing grid concrete 3 forms 3D printing grid concrete cushion, is thus prepared for entering step S003.Specifically,
The inner wall (inner bottom wall and inner sidewall including the UHPC shell 1) of the actually described UHPC shell 1 is equably laid with angle steel
4, the angle steel 4 and the UHPC shell 1 together pouring molding laid on the inner wall of the UHPC shell 1 pass through 4 energy of angle steel
It is enough that the 3D printing grid concrete 3 is positioned well.
S003 lifts the UHPC inner casing to the UHPC interior of shell, and is carried on the 3D print grid coagulation
On soil padding；Due to having mentioned above, inner wall (inner bottom wall and inside including the UHPC shell 1 of the UHPC shell 1
Wall) it is equably laid with angle steel 4, therefore, the angle steel 4 can carry out the 3D printing grid concrete 3 fixed well
Position.When the UHPC inner casing 2 lifting to 1 inside of UHPC shell, under the action of the angle steel 4, the 3D printing net
Lattice concrete 3 will not shift, it is ensured that the 3D printing grid concrete cushion plays the role of scheduled carrying.
S004, by the space between shell side wall in the UHPC shell and UHPC by the 3D printing grid concrete into
Row filling, forms the main structure of the tank；By step S003, the UHPC inner casing 2 has been completed to lift at this time,
Space between the side wall of both the UHPC shell 1 and the UHPC inner casing 2, by the 3D printing grid concrete 3 into
Row filling fills in the space between 2 side wall of the UHPC shell 1 and UHPC inner casing completely to the 3D printing grid concrete 3
Later, the main structure of the tank 100 is formed at this time.
The UHPC upper cover is covered in the main structure, forms the tank by S004.
In one embodiment, the UHPC shell 1 and UHPC inner casing 2 pour in advance in factory and conserve molding.At this
In embodiment, the tank preferably is to be made into Modular building, and the UHPC shell 1, UHPC inner casing 2,3D printing grid are mixed
Solidifying soil 3 is standard specimen, and so the UHPC shell 1 and UHPC inner casing 2 can be prefabricated in the factory, and factory's production being capable of pole
When improving producing efficiency greatly, reduce cost of manufacture, and transporting site operation, constructed by the staff of profession, it can pole
The earth improves site operation efficiency, and improves the reliability of site operation and the stability of operation.
Mentioned above, the tank 100 is Modular building, is transported by prefabrication to scene and is installed, described
The specification of tank 100 can be customized according to the demand of most of client, and be related to the limitation of traffic condition and showed
The volume of the operating condition limitation of field construction, the single tank 100 may can not meet the water demand of user, therefore need
Multiple tanks 100 are wanted to be connected to, to meet the water demand of user.
With reference to Fig. 4,5, in one embodiment, the making step of the communicating pipe includes: to connect in the UHPC cage connection
The step of siphunculus and the step of the UHPC inner casing connects pipe:
The step of UHPC cage connection communicating pipe includes:
UHPC shell described in S101 and the inner wall of the communicating pipe junction form one the oneth UHPC boss；With reference to Fig. 5, institute
Stating the molding first UHPC boss 5 of UHPC shell 1 is integrated formed structure.
S102 in the first UHPC boss centre make one first groove, through first groove slot bottom with
Shell aperture of the outer wall production one of the UHPC shell for allowing the communicating pipe to pass through；The center of the first UHPC boss 5
Place makes first groove 6, the communicating pipe 7 passes through the shell aperture 8.
Communicating pipe described in S103 passes through the shell aperture；State with reference to Fig. 5 is the communicating pipe 7 to pass through the shell aperture
8 state.
Communicating pipe described in S104 is fixed in first groove by a first flange disk, and passes through UHPC slurry pair
First groove, which is sealed, to be filled up；
In one embodiment, the material of the communicating pipe 7 and the first flange disk 9 is steel material, therefore, described
The inner ring of one ring flange 9 is sealably welded on the outer wall of the communicating pipe 7, and thus the communicating pipe 7 can pass through well
The first flange disk 9 is fixed on the slot bottom of first groove 6, and the slot of the first flange disk 9 and first groove 6
Also need to be sealed processing between bottom, it is described after the trench bottom of first groove 6 contains the first flange disk 9
The remaining space of first groove 6 is sealed by UHPC slurry to be filled up.
The step of UHPC inner casing connects pipe include:
UHPC inner casing described in S201 and the inner wall of the communicating pipe junction form one the 2nd UHPC boss；With reference to Fig. 5, institute
Stating the molding 2nd UHPC boss 5a of UHPC inner casing 2 is integrated formed structure.
S202 in the 2nd UHPC boss centre make one second groove, through second groove slot bottom with
The outer wall production one of the UHPC inner casing is for allowing the interior housing hole passed through the communicating pipe；The center of the 2nd UHPC boss 5a
Place makes the second groove 6a, the communicating pipe 7 passes through the interior housing hole 8a.
Communicating pipe described in S203 passes through the interior housing hole；
Communicating pipe described in S204 is fixed in second groove by a second flange disk, and passes through UHPC slurry pair
Second groove, which is sealed, to be filled up；
In one embodiment, the material of the communicating pipe 7 and the second flange disk 9a are steel material, therefore, described
The inner ring of second flange disk 9a is sealably welded on the outer wall of the communicating pipe 7, and thus the communicating pipe 7 can lead to well
Cross the slot bottom that the second flange disk 9a is fixed on the second groove 6a, and the second flange disk 9a and second groove
Also need to be sealed processing between the slot bottom of 6a, the trench bottom of the second groove 6a contain the second flange disk 9a it
Afterwards, the remaining space the second groove 6a is sealed by UHPC slurry fills up.
With reference to Fig. 2 and 3, technical solution provided by one embodiment of the present invention provides a kind of light-duty UHPC- grid coagulation
Native sandwich composite anti-penetrating easily repairs tank 100, comprising: UHPC shell 1, UHPC inner casing 2, UHPC upper cover (not showing on figure) and
3D printing grid concrete 3, the UHPC shell 1 and UHPC inner casing 2 are structure as a whole, and the 3D printing grid coagulation
Soil 3 is filled in space between the UHPC shell 1 and UHPC inner casing 2, the upper cover be covered on the UHPC shell 1 and
2 top of UHPC inner casing.
It should be noted that the UHPC shell 1 and UHPC inner casing 2 are structure as a whole, refer to the UHPC shell 1 and
The bottom plate and side plate of UHPC inner casing 2 are integrally formed to obtain.
In one embodiment, with reference to Fig. 3, on the outer wall of the inner wall of the UHPC shell 1 and the UHPC inner casing 2
It is laid with angle steel 4 evenly, the angle steel 4 is for limiting the 3D printing concrete 3.
It further include communicating pipe 7 with reference to Fig. 6, the two neighboring tank can pass through the communicating pipe in one embodiment
100 connections, the UHPC shell 1 and UHPC inner casing 2 of each tank are tightly connected with the communicating pipe 7.
With reference to Fig. 6, the UHPC shell 1 and the inner wall of 7 junction of communicating pipe form one the oneth UHPC boss 5,
The centre of the first UHPC boss 5 offers the first groove 6, outside the slot bottom and the UHPC of first groove 6
The outer wall of shell 1 opens up a shell aperture 8 for allowing the communicating pipe 7 to pass through, and passes through the shell aperture 8 communicating pipe 7, described
Communicating pipe 7 is fixed in first groove 6 by a first flange disk 9, and by UHPC slurry to first groove 6
It is sealed and fills up.
The material of the communicating pipe 7 and the first flange disk 9 is steel material, therefore, the first flange disk 9 it is interior
Circle is sealably welded on the outer wall of the communicating pipe 7, and thus the communicating pipe 7 can pass through the first flange disk well
9 are fixed on the slot bottom of first groove 6, and also need between the first flange disk 9 and the slot bottom of first groove 6
It is sealed processing, after the trench bottom of first groove 6 contains the first flange disk 9, first groove 6 is remaining
Space be sealed and fill up by UHPC slurry.
The UHPC inner casing 2 and the inner wall of 7 junction of communicating pipe form one the 2nd UHPC boss, the described in 5a
The centre of two UHPC boss 5a offers the second groove 6a, through the slot bottom and the UHPC inner casing 2 of the second groove 6a
Outer wall open up one for the interior housing hole 8a that allows the communicating pipe 7 to pass through, pass through the interior housing hole 8a communicating pipe 7, it is described
Communicating pipe 7 is fixed in the second groove 6a by a second flange disk 9a, and by UHPC slurry to second groove
6a, which is sealed, to be filled up.
In one embodiment, the material of the communicating pipe 7 and the second flange disk 9a are steel material, therefore, described
The inner ring of second flange disk 9a is sealably welded on the outer wall of the communicating pipe 7, and thus the communicating pipe 7 can lead to well
Cross the slot bottom that the second flange disk 9a is fixed on the second groove 6a, and the second flange disk 9a and second groove
Also need to be sealed processing between the slot bottom of 6a, the trench bottom of the second groove 6a contain the second flange disk 9a it
Afterwards, the remaining space the second groove 6a is sealed by UHPC slurry fills up.
Ultra-high performance concrete in the present invention, abbreviation UHPC (Ultra-High Performance Concrete),
The mechanical property (resistance to compression, tension and high tenacity) of durability and superelevation with superelevation.Its basic preparation principle is: passing through
The fineness and activity for improving component, do not use coarse aggregate, are minimized the defect (hole and microcrack) of material internal, to obtain
Obtain superhigh intensity and high-durability.UHPC base stock mainly has cement, silicon ash, special superplasticizer, fine aggregate and steel fibre.
Based on particle theory of high packing, hydrated cementitious theory and random fibers intersection theory etc., it is obtained by calculation optimal
Grade is matched and steel fiber size and volume, so that inside concrete is made to reach high compactness, imperceptible aperture, and
Interlaced continuous steel fibre web.Its inside has non-intercommunicating pore structure, has very high resistance air-liquid body to immerse ability,
Compared with conventional concrete and high performance concrete (HPC), durability can be increased substantially.Its content include by weight under
Column component:
Technical solution provided by the invention also provides a kind of UHPC material, for making light-duty UHPC- grid concrete three
Mingzhi's composite anti-penetrating easily repairs tank, the component including following parts by weight:
18-22 parts of water；
108-114 parts of cement；
15-19 parts of silicon ash；
20-25 parts of miberal powder；
100-110 parts of sand；
15-20 parts of steel fibre；
2.5-3.8 parts of water-reducing agent；
0.4-0.6 parts of economization agent；
0.2-0.4 parts of retarder.
The low-permeability and high-durability of UHPC of the present invention depends primarily on following reason:
In uncracked condition, water, the permeability to gas of UHPC matrix are very low, have very improved corrosion and shield muscle ability；In
Gao La, bending strain and microcrack state, the permeability of UHPC is also relatively low, this is because microcrack can when matrix damage
It is healed again using the further hydration reaction of humidity in air, cement " continuation " aquation can not only close microcrack reduction
Permeability, while also playing " cementing " crack, restore the mechanical property that concrete is reduced by crack to a certain extent, therefore
UHPC, which is able to maintain its initial strength, could be used that it in the environment that height corrodes.
Due to being most susceptible to the hydrolysis product of cement calcium hydroxide of corrosion in concrete, in UHPC of the present invention almost
It is all reacted with silicon ash and is converted into gel of calcium silicate；Furthermore 5 times higher than ordinary mortar of UHPC acid resistance or more, so in height
In the water of chlorine ion concentration, UHPC is also able to maintain good performance.
The steel fibre of distribution at random can delay the development in crack in matrix in UHPC of the present invention, while make it in more seam hairs
Exhibition provides enough time and the further aquation in space to matrix, so that crack is gradually healed, it is allowed to be restored to very high impervious energy
Power.
The present invention facilitates to reduce the contraction of UHPC using economization agent, and the condensation contraction before moisture evaporation can make structure
It is more closely knit, but the volume contraction meeting evaporation water after condensation forms internal void, so addition economization agent can be reduced and be split
The dangerous relevant contraction of seam is to make structure less porous become more closely knit.
If even if the UHPC inner casing inner casing leaks, and the UHPC shell still can be with leakproof；It, will if needing to repair
3D printing grid concrete is filled with UHPC material, and renovation technique is convenient and efficient, improves service life, later maintenance formality
With it is at low cost.
Standard Test Method for Permeation Resistance is carried out using " the concrete permeability resistance test method " in T0529-94 standard:
(1) sample is prepared, prepares 6 samples according to embodiment 1-6 shown in table 1.
1 embodiment of table is 1-6 constituent content table (unit: g)
| Component | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 |
| Water | 18 | 19 | 20.5 | 21 | 21.5 | 22 |
| Cement | 108 | 109 | 111 | 112 | 113 | 114 |
| Silicon ash | 15 | 16 | 17 | 18 | 18.5 | 19 |
| Miberal powder | 20 | 21 | 22 | 23 | 24 | 25 |
| Sand | 100 | 102 | 104 | 106 | 108 | 110 |
| Steel fibre | 15 | 16 | 17 | 18 | 19 | 20 |
| Water-reducing agent | 2.5 | 2.8 | 3.2 | 3.5 | 3.7 | 3.8 |
| Retarder | 0.2 | 0.25 | 0.3 | 0.35 | 0.38 | 0.4 |
(2) above-mentioned 6 samples are conserved, curing time is 28 days.
(3) test operation tests hydraulic pressure since 0.1MPA, every 8 hours increase 0.1MPA hydraulic pressure, and observes sample at any time
Product end face situation, test hydraulic pressure increase to always the discovery infiltration of the surface in each sample, write down pressure (such energy of water at this time
Determine the depth capacity of tank of the present invention).
2 embodiment of table is the water pressure table of 1-6 Standard Test Method for Permeation Resistance:
| Hydraulic pressure value | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 |
| H(MPa) | 1.15 | 1.28 | 1.36 | 1.38 | 1.33 | 1.39 |
In conjunction with table 2, it can be seen that 6 embodiments of UHPC of the present invention all have relatively good impermeability, impervious etc.
The stability of grade meets the impervious of ultra-high performance concrete and requires more than P10 rank.
The above disclosure is only a preferred embodiment of the invention, cannot limit the right of the present invention with this certainly
Range, therefore according to equivalent variations made by scope of the present invention patent, it is still within the scope of the present invention.
Claims (10)
1. a kind of production method that tank is easily repaired in UHPC antiseepage, wherein tank includes UHPC shell, UHPC inner casing, on UHPC
Lid and 3D printing grid concrete, which is characterized in that production method includes the following steps:
The UHPC shell is lifted to the installation site point of the tank；
3D printing grid concrete is uniformly laid in the bottom of the UHPC shell, forms 3D printing grid concrete cushion；
The UHPC inner casing is lifted to the UHPC interior of shell, and is carried on the 3D printing grid concrete cushion；
Space between shell side wall in the UHPC shell and UHPC is filled by the 3D printing grid concrete, shape
At the main structure of the tank；
The UHPC upper cover is covered in the main structure, the tank is formed.
2. the production method that tank is easily repaired in UHPC antiseepage as described in claim 1, which is characterized in that the UHPC shell and
UHPC inner casing pours in advance in factory and conserves molding.
3. the production method that tank is easily repaired in UHPC antiseepage as claimed in claim 2, which is characterized in that the UHPC shell
Equably be laid with angle steel on the outer wall of inner wall and the UHPC inner casing, the angle steel be used for the 3D printing concrete into
Row limits, the angle steel laid on UHPC outer casing inner wall pouring molding together with the UHPC shell, outside the UHPC inner casing
The angle steel laid on wall pouring molding together with the UHPC inner casing.
4. the production method that tank is easily repaired in UHPC antiseepage as described in claim 1, which is characterized in that further include production connection
At least two tanks can be connected together by the step of pipe by the communicating pipe.
5. the production method that tank is easily repaired in UHPC antiseepage as claimed in claim 4, which is characterized in that the system of the communicating pipe
The step of as step including: in the UHPC cage connection communicating pipe and the step of the UHPC inner casing connects pipe:
The step of UHPC cage connection communicating pipe includes:
The UHPC shell and the inner wall of the communicating pipe junction form one the oneth UHPC boss；
One first groove is made in the centre of the first UHPC boss, through the slot bottom and the UHPC of first groove
Shell aperture of the outer wall production one of shell for allowing the communicating pipe to pass through；
The communicating pipe passes through the shell aperture；
The communicating pipe is fixed in first groove by a first flange disk, and recessed to described first by UHPC slurry
Slot, which is sealed, to be filled up；
The step of UHPC inner casing connects pipe include:
The UHPC inner casing and the inner wall of the communicating pipe junction form one the 2nd UHPC boss；
One second groove is made in the centre of the 2nd UHPC boss, through the slot bottom and the UHPC of second groove
The outer wall production one of inner casing is for allowing the interior housing hole passed through the communicating pipe；
The communicating pipe passes through the interior housing hole；
The communicating pipe is fixed in second groove by a second flange disk, and recessed to described second by UHPC slurry
Slot, which is sealed, to be filled up.
6. a kind of light-duty UHPC- grid concrete sandwich composite anti-penetrating easily repairs tank characterized by comprising outside UHPC
Shell, UHPC inner casing, UHPC upper cover and 3D printing grid concrete, the UHPC shell and UHPC inner casing are structure as a whole, and
Space of the 3D printing grid Concrete Filled between the UHPC shell and UHPC inner casing, the upper cover are covered on described
Above UHPC shell and UHPC inner casing.
7. light-duty UHPC- grid concrete sandwich composite anti-penetrating as claimed in claim 6 easily repairs tank, feature exists
In, be equably laid with angle steel on the outer wall of the inner wall of the UHPC shell and the UHPC inner casing, the angle steel for pair
The 3D printing concrete is limited.
8. light-duty UHPC- grid concrete sandwich composite anti-penetrating as claimed in claim 6 easily repairs tank, feature exists
In further including communicating pipe, the two neighboring tank can be connected to by the communicating pipe, outside the UHPC of each tank
Shell and UHPC inner casing are tightly connected with the communicating pipe.
9. light-duty UHPC- grid concrete sandwich composite anti-penetrating as claimed in claim 8 easily repairs tank, feature exists
In,
The UHPC shell and the inner wall of the communicating pipe junction form one the oneth UHPC boss, the first UHPC boss
Centre offer the first groove, open up one for allowing through the slot bottom of first groove and the outer wall of the UHPC shell
The shell aperture that the communicating pipe passes through passes through the shell aperture communicating pipe, and the communicating pipe is solid by a first flange disk
It is scheduled in first groove, and first groove is sealed by UHPC slurry and is filled up；
The UHPC inner casing and the inner wall of the communicating pipe junction form one the 2nd UHPC boss, the 2nd UHPC boss
Centre offer the second groove, open up one for allowing through the slot bottom of second groove and the outer wall of the UHPC inner casing
The interior housing hole passed through the communicating pipe passes through the interior housing hole communicating pipe, and the communicating pipe is solid by a second flange disk
It is scheduled in second groove, and second groove is sealed by UHPC slurry and is filled up.
10. a kind of UHPC material easily repairs tank for making light-duty UHPC- grid concrete sandwich composite anti-penetrating, special
Sign is, the component including following parts by weight:
18-22 parts of water；
108-114 parts of cement；
15-19 parts of silicon ash；
20-25 parts of miberal powder；
100-110 parts of sand；
15-20 parts of steel fibre；
2.5-3.8 parts of water-reducing agent；
0.4-0.6 parts of economization agent；
0.2-0.4 parts of retarder.
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Cited By (1)
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| CN114592739A (en) * | 2022-03-22 | 2022-06-07 | 辽宁省城乡市政工程集团有限责任公司 | Semi-assembly type ultra-deep superposed water storage tank and construction process |
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