CN106223184A - A kind of method improving xoncrete structure crack resistance - Google Patents
A kind of method improving xoncrete structure crack resistance Download PDFInfo
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- CN106223184A CN106223184A CN201610530890.6A CN201610530890A CN106223184A CN 106223184 A CN106223184 A CN 106223184A CN 201610530890 A CN201610530890 A CN 201610530890A CN 106223184 A CN106223184 A CN 106223184A
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- separation net
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- xoncrete structure
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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
- E01D19/00—Structural or constructional details of bridges
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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
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F5/00—Draining the sub-base, i.e. subgrade or ground-work, e.g. embankment of roads or of the ballastway of railways or draining-off road surface or ballastway drainage by trenches, culverts, or conduits or other specially adapted means
- E01F5/005—Culverts ; Head-structures for culverts, or for drainage-conduit outlets in slopes
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B5/00—Artificial water canals, e.g. irrigation canals
-
- 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
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
The invention discloses a kind of toughness cement-based material and wrap up the normal concrete method with raising xoncrete structure crack resistance, can be used for the concrete workses such as bridge, high ferro, building, pond, tank, culvert, belong to concrete engineering construction technical field.The method of this raising xoncrete structure crack resistance, by laying separation net inside steel reinforcement cage, pours toughness cement-based material at xoncrete structure tension position easy to crack, pours normal concrete at other positions of xoncrete structure, and separates with separation net.The superpower stretching strain ability utilizing toughness cement-based material improves the crack resistance of xoncrete structure；Utilize separation net to separate bi-material, both ensure that infiltration good between bi-material and caking property, greatly reduce again the consumption of the toughness cement-based material of costliness, thus significantly reduce engineering cost.
Description
Technical field
This patent relates to a kind of method improving xoncrete structure crack resistance, is applied to bridge, high ferro, building, pond, water
The concrete works such as groove, culvert, specifically, it is simply that wrap up normal concrete with toughness cement-based material, utilize toughness cement
The superpower stretching strain ability of sill improves the crack resistance of xoncrete structure, belongs to concrete works technical field.
Background technology
Due to concrete tension poor performance, crack is common asking in concrete works especially large-scale concrete engineering
Topic, is also one of problem that engineering staff is the most worried.In the concrete works having a large capacity and a wide range is built, engineering staff is according to reality
Trample experience and theoretical direction the most correspondingly proposes some solutions, such as, xoncrete structure increases amount of reinforcement,
Structure arranges three dimension prestressing muscle, improves the strength grade of concrete；Use the stronger material of other toughness instead and all replace general
Logical concrete material etc..
Toughness cement-based material refers to add appropriate toughness material in cement, rear by stirring and processing molding, makes
A kind of bigger than normal concrete toughness, intensity is high, have the composite of notable strain hardening characteristic after hardening.Its interface roughness
Degree can ensure the adhesion strength between toughness cement-based material and normal concrete, and at interface, roughness is the highest, bi-material
Between contact area the biggest, the gmatjpdumamics on interface is the biggest, thus both adhesion strengths are the highest；And along with general
The increase of logical strength grade of concrete, the roughness at interface improves the most accordingly, and adhesion strength is higher, and both bondings are tighter
Gu.
" a kind of anticracking mixes for patent of invention " a kind of anti-crack concrete application publication number CN 104496303 A ", patent of invention
Solidifying soil application publication number CN 103755237 A ", patent of invention " a kind of anti-crack concrete application publication number CN 103755233
A ", patent of invention " a kind of anti-crack concrete application publication number CN 103739245 A ", utility model patent " a kind of anticracking coagulation
Soil application publication number CN 203947683 A " all disclose that a kind of different materials proportioning makes slightly higher compared with normal concrete toughness
Anti-crack concrete.
Patent of invention " a kind of cracking protection method for concrete dams application publication number CN 103195025 A " discloses one
Plant and insulation material is set at dam body stream side surface, after some strength to be achieved, fill out in insulation material upstream side certain limit
The method building sand, reaches to reduce the temperature difference, the purpose of dam body anticracking protection with this.
Patent of invention " a kind of concrete waterproofing and anti-leakage agent application publication number CN 104140217 A ", patent of invention "
Kind of concrete waterproofing and anti-leakage agent application publication number CN 104140218 A ", patent of invention " a kind of concrete waterproofing and anti-leakage agent
Application publication number CN 104140219 A " disclose use waterproofing and anti-leakage agent reduction hydration heat of concrete, with compensating concrete
Shrink, thus prevent concrete cracking and seepage.
Knowing from above existing patent and open source literature, current existing agent on crack resistance of concrete cracking method is the most all from concrete material
Material aspect is improved, but these improve or cost increases a lot, or effect of prestressed is inconspicuous.In view of this, inventor's root
According to theory analysis and practical experience, study, develop and experiment proves that, from stress performance and economy, finally produce this
Patent.
Summary of the invention
This patent to solve the technical problem that: proposes a kind of method improving xoncrete structure crack resistance, utilizes toughness
Cement-based material is wrapped in the outside of normal concrete structure, resists coagulation by the superpower tensile property of toughness cement-based material
The peripheral tension of soil structure, prevents xoncrete structure from crack occur or reducing fracture width.And with toughness cement-based material bag
It is rolled in the mode that normal concrete is peripheral, replaces whole concrete works to use toughness cement-based material, greatly reduce more high
The consumption of expensive toughness cement-based material, considerably reduces the cost of engineering construction.
This patent solves technical problem and be the technical scheme is that
A kind of method improving xoncrete structure crack resistance, including toughness cement-based material 1-1-1, toughness cement-based material
1-1-2, toughness cement-based material 1-2-1, toughness cement-based material 1-2-2, toughness cement-based material 1-3-1, normal concrete
2-1-1, normal concrete 2-1-2, normal concrete 2-2-1, normal concrete 2-2-2, normal concrete 2-3-1, separation net
3-1-1, separation net 3-1-2, separation net 3-1-3, separation net 3-2-1, separation net 3-2-2, steel reinforcement cage 4-1-1, steel reinforcement cage 4-1-
2, steel reinforcement cage 4-2-1, steel reinforcement cage 4-2-2, steel reinforcement cage 4-3-1；It is characterized in that: water at xoncrete structure tension position easy to crack
Build toughness cement-based material 1-1-1, pour normal concrete 2-1-1 at other positions of xoncrete structure, between bi-material with
Separation net 3-1-1 separates；Or pour toughness cement-based material 1-1-2 at xoncrete structure tension position easy to crack, at concrete
Other positions of structure pour normal concrete 2-1-2, separate with separation net 3-2-1 between bi-material；Or at xoncrete structure
Tension position easy to crack pours toughness cement-based material 1-2-1, pours normal concrete 2-2-at other positions of xoncrete structure
1, separate with separation net 3-1-2 between bi-material；Or pour toughness cement matrix at xoncrete structure tension position easy to crack
Material 1-2-2, pour normal concrete 2-2-2 at other positions of xoncrete structure, between bi-material with separation net 3-1-3 every
Open；Or pour toughness cement-based material 1-3-1 at xoncrete structure tension position easy to crack, water at other positions of xoncrete structure
Build normal concrete 2-3-1, separate with separation net 3-2-2 between bi-material；Reach to save costly by above measure
Toughness cement-based material, reduction engineering cost, improve the purpose of xoncrete structure crack resistance.
A kind of method improving xoncrete structure crack resistance, it is characterised in that: for solid section xoncrete structure, mixed
Xtah Crude Clay structure tension position easy to crack is laid separation net 3-1-1 and is separated toughness cement-based material 1-1-1 and normal concrete 2-
1-1, separation net 3-1-1 are layed in the inner side of steel reinforcement cage 4-1-1；Or separation net is laid at xoncrete structure tension position easy to crack
3-2-1 separates toughness cement-based material 1-1-2 and normal concrete 2-1-2, and separation net 3-2-1 is layed in steel reinforcement cage 4-1-2
Inner side；Toughness cement-based material the thickest 50～500mm, separation net sizing grid 2 × 2～80 × 80mm2。
A kind of method improving xoncrete structure crack resistance, it is characterised in that: open-type or type semienclosed cross section are tied
Structure, lays separation net 3-1-2 and separates toughness cement-based material 1-2-1 and commonly mix at xoncrete structure tension position easy to crack
Solidifying soil 2-2-1, separation net 3-1-2 are layed in the inner side of steel reinforcement cage 4-2-1；Or lay at xoncrete structure tension position easy to crack
Separation net 3-1-3 separates toughness cement-based material 1-2-2 and normal concrete 2-2-2, and separation net 3-1-3 is layed in steel reinforcement cage
The inner side of 4-2-2；Toughness cement-based material the thickest 50～500mm；Separation net sizing grid 2 × 2～80 × 80mm2。
A kind of method improving xoncrete structure crack resistance, it is characterised in that: for hollow type cross section structure, at concrete
Structure tension position easy to crack is laid separation net 3-2-2 and is separated toughness cement-based material 1-3-1 and normal concrete 2-3-1,
Separation net 3-2-2 is layed in the inner side of steel reinforcement cage 4-3-1；Toughness cement-based material the thickest 50～500mm；Separation net grid is big
Little 2 × 2～80 × 80mm2。
A kind of method improving xoncrete structure crack resistance, it is characterised in that: separation net 3-1-1, separation net 3-1-2, every
Off-network 3-1-3, separation net 3-2-1, separation net 3-2-2 are geonet or GSZ or steel wire or stainless steel cloth or iron wire
Net or nylon wire or wire netting.
This patent is reasonable in design, and the suitability is strong, and good reliability has wide practical use.
Accompanying drawing explanation
Fig. 1 Filled Rectangle concrete component sectional drawing
Fig. 2 solid circles concrete component sectional drawing
Fig. 3 Rectangular Water Trough sectional drawing
Fig. 4 U-tube concrete component sectional drawing
Fig. 5 hollow circular-tube concrete component sectional drawing
In figure: 1-1-1 toughness cement-based material；1-1-2 toughness cement-based material；1-2-1 toughness cement matrix
Material；1-2-2 toughness cement-based material；1-3-1 toughness cement-based material；2-1-1 normal concrete；2-1-2 is common
Concrete；2-2-1 normal concrete；2-2-2 normal concrete；2-3-1 normal concrete；3-1-1 separation net；3-
1-2 separation net；3-1-3 separation net；3-2-1 separation net；3-2-2 separation net；4-1-1 steel reinforcement cage；4-1-2 steel
Muscle cage；4-2-1 steel reinforcement cage；4-2-2 steel reinforcement cage；4-3-1 steel reinforcement cage.
Detailed description of the invention
In conjunction with specific embodiments this patent is described further:
Embodiment one:
Wet joint concrete, because of end face and bottom surface all tensions, easily ftractures, and is that the stress of rigid frame bridge is weak after first freely-supported
Position, the useful life longevity of serious threat bridge.Utilize the superpower tensile property of toughness cement-based material, wet seam can be improved
Crack resistance, prevents the internal reinforcing bar of its crack corrosion；And the method utilizing toughness cement-based material parcel normal concrete, decrease
The consumption of expensive toughness cement-based material, significantly reduces engineering cost.
Apply a kind of method improving xoncrete structure crack resistance, rigid frame bridge concrete after the first freely-supported of construction one
Wet seam, the long 2m of wet seam, wide 1m, high 1.5m.The wet seam of this solid rectangular cross-section includes toughness cement-based material 1-1-1, general
Logical concrete 2-1-1, separation net 3-1-1, steel reinforcement cage 4-1-1.It is embodied as step as follows:
1, assembling reinforcement cage and laying separation net
According to structure stress characteristic, calculate wet seam crossing amount of reinforcement, and be properly positioned assembling reinforcement cage 4-1-1, such as Fig. 1.
Along with building of reinforcement cage skeleton, lay thickness inside steel reinforcement cage is 30 × 30mm for 2mm, size of mesh opening simultaneously2Separation net,
And take to lay the mode of separation net 3-1-1 at xoncrete structure tension position easy to crack.
2, toughness cement-based material and normal concrete are poured
(1) bottom wet seam, the thick toughness cement-based material 1-1-1 of 150mm is first poured, such as Fig. 1.
(2) the most parallel wet seam sidepiece toughness cement-based material 1-1-1 and normal concrete 2-1-1, toughness water are poured
The thickness of cement-based material 1-1-1 is 200mm, it is ensured that the mobility of bi-material and caking property, makes toughness cement-based material 1-1-1
Good with normal concrete 2-1-1 bonding, until toughness cement-based material 1-1-1 and the fully wrapped around steel of normal concrete 2-1-1
Muscle cage 4-1-1, such as Fig. 1.
(3) the last toughness cement-based material 1-1-1 pouring 150mm thickness at wet seam top, such as Fig. 1.Maintenance reaches to set
Meter intensity, ultimately forms crack resistance strong, and tensile property is good, the wet seam that structural safety is durable.
Embodiment two:
The bridge of just structure system after first freely-supported, its abutment pier is relatively big by pulling force, easily ftractures, have a strong impact on bridge safety and
Normal use, therefore after first freely-supported, just the abutment pier tension of structure system is problem demanding prompt solution.
Apply a kind of method improving xoncrete structure crack resistance, a diameter of 1m of construction one, the cylindrical bridge of high 6m
Pier.This bridge pier includes toughness cement-based material 1-1-2, normal concrete 2-1-2, separation net 3-2-1, steel reinforcement cage 4-1-2.Specifically
Implement step as follows:
1, assembling reinforcement cage and laying separation net
According to structure stress characteristic, calculate amount of reinforcement needed for bridge pier, and be properly positioned assembling reinforcement cage 4-1-2, such as Fig. 2.
Along with building of reinforcement cage skeleton, lay thickness inside steel reinforcement cage is 25 × 25mm for 2mm, size of mesh opening simultaneously2Separation net,
And take to lay the mode of separation net 3-2-1 at xoncrete structure tension position easy to crack, such as Fig. 2.
2, toughness cement-based material and normal concrete are poured
Parallel pour bridge pier toughness cement-based material 1-1-2 and normal concrete 2-1-2, toughness cement-based material 1-1-2
Thickness be 150mm, it is ensured that the mobility of bi-material and caking property, make toughness cement-based material 1-1-2 and normal concrete
2-1-2 bonding is good, until toughness cement-based material 1-1-2 and normal concrete 2-1-2 fully wrapped around steel reinforcement cage 4-1-2, as
Fig. 2.Maintenance reaches design strength, strengthens the crack resistance of bridge pier, makes structural safety durable.
Embodiment three:
Rectangular Water Trough, because being moistened by water enchroachment (invasion) throughout the year, itself not only to be born excessive structure tension, also want antiseep, anti-
Sealing stream invades cell body because of crack, the internal reinforcing bar of corrosion, thus anticracking, the leakproof to Rectangular Water Trough engineering proposes the strictest
Requirement.
Apply a kind of method improving xoncrete structure crack resistance, the Rectangular Water Trough of construction width 20m × high 2m.This square
Shape tank includes toughness cement-based material 1-2-1, normal concrete 2-2-1, separation net 3-1-2, steel reinforcement cage 4-2-1.Concrete real
Execute step as follows:
1, assembling reinforcement cage and laying separation net
According to structure stress characteristic, calculate amount of reinforcement needed for Rectangular Water Trough, and be properly positioned assembling reinforcement cage 4-2-1, as
Fig. 3.Along with building of reinforcement cage skeleton, lay thickness inside steel reinforcement cage is 20 × 20mm for 2mm, size of mesh opening simultaneously2Every
Off-network, and take to lay the mode of separation net 3-1-2 at xoncrete structure tension position easy to crack, such as Fig. 3.
2, toughness cement-based material and normal concrete are poured
(1) bottom Rectangular Water Trough, the thick toughness cement-based material 1-2-1 of 100mm is first poured, such as Fig. 3；
(2) the most parallel Rectangular Water Trough pool wall toughness cement-based material 1-2-1 and normal concrete 2-2-1, toughness are poured
The thickness of cement-based material 1-2-1 is 100mm, it is ensured that the mobility of bi-material and caking property, makes toughness cement-based material 1-
2-1 and normal concrete 2-2-1 bonding is good, until toughness cement-based material 1-2-1 is fully wrapped around with normal concrete 2-2-1
Steel reinforcement cage 4-2-1, such as Fig. 3；
(3) the last toughness cement-based material 1-2-1 pouring 100mm thickness at cell wall top, such as Fig. 3.Maintenance reaches design
Intensity, ultimately forms crack resistance strong, and barrier performance is good, the Rectangular Water Trough of safety durable.
Embodiment four:
Certain precast concrete U-lag, outer wall tension stress is relatively big, easy to crack.
Applying a kind of method improving xoncrete structure crack resistance, a prefabricated long 8m, internal diameter are 0.8m, external diameter is 1.2m's
Concrete U-type groove.This concrete U-type groove include toughness cement-based material 1-2-2, normal concrete 2-2-2, separation net 3-1-3,
Steel reinforcement cage 4-2-2.It is embodied as step as follows:
1, assembling reinforcement cage and laying separation net
According to structure stress characteristic, calculate amount of reinforcement needed for concrete U-type groove, and be properly positioned assembling reinforcement cage 4-2-2,
Such as Fig. 4.Along with building of reinforcement cage skeleton, lay thickness inside steel reinforcement cage is 15 × 15mm for 1.5mm, size of mesh opening simultaneously2
Separation net, and take xoncrete structure tension position easy to crack lay separation net 3-1-3 mode, such as Fig. 4.
2, toughness cement-based material and normal concrete are poured
(1) bottom U-type groove, the thick toughness cement-based material 1-2-2 of 100mm is first poured, such as Fig. 4.
(2) the most parallel U-type groove toughness cement-based material 1-2-2 and normal concrete 2-2-2, toughness cement matrix are poured
The thickness of material 1-2-2 is 100mm, it is ensured that the mobility of bi-material and caking property, makes toughness cement-based material 1-2-2 with common
Concrete 2-2-2 bonding is good, until toughness cement-based material 1-2-2 and normal concrete 2-2-2 fully wrapped around steel reinforcement cage 4-
2-2, such as Fig. 4.
(3) finally 100mm thickness toughness cement-based material 1-2-2 is poured at U-type groove top, such as Fig. 4.It is strong that maintenance reaches design
Degree, ultimately forms crack resistance strong, the concrete U-type groove that tensile property is good.
Embodiment five:
Pipe culvert concrete works, internal is washed away by water, and when especially water speed is very fast, tube wall is hit greatly, outside pipe
Side is relatively big by pulling force, therefore requires that the cracking resistance of pipe, tensile property are good.
Applying a kind of method improving xoncrete structure crack resistance, a prefabricated long 10m, internal diameter are 0.6m, external diameter is 0.8m
Concrete pipe.This pipe includes toughness cement-based material 1-3-1, normal concrete 2-3-1, separation net 3-2-2, steel reinforcement cage
4-3-1.It is embodied as step as follows:
1, assembling reinforcement cage and laying separation net
According to structure stress characteristic, calculate amount of reinforcement needed for pipe, and be properly positioned assembling reinforcement cage 4-3-1, such as Fig. 5.
Along with building of reinforcement cage skeleton, lay thickness inside steel reinforcement cage 4-3-1 is 1.5mm simultaneously, and size of mesh opening is 15 × 15mm2's
Separation net, and take to lay the mode of separation net 3-2-2 at xoncrete structure tension position easy to crack, such as Fig. 5.
2, toughness cement-based material and normal concrete are poured
Parallel pour tube wall toughness cement-based material 1-3-1 and normal concrete 2-3-1, toughness cement-based material 1-3-1
Thickness be 50mm, it is ensured that the mobility of bi-material and caking property, make toughness cement-based material 1-3-1 and normal concrete 2-
3-1 bonding is good, until toughness cement-based material 1-3-1 and normal concrete 2-3-1 fully wrapped around steel reinforcement cage 4-3-1, such as figure
5.Maintenance reaches design strength, ultimately forms crack resistance strong, and barrier performance is good, the pipe that tension is durable.
Above-described specific implementation method, is illustrated purpose, technical scheme and the beneficial effect of this patent.Institute
It is emphasized that the foregoing is only specific implementation of the patent example, can not be used for limiting the scope of this patent.All
Within the spirit of this patent and principle, any amendment, equivalent or the improvement etc. made, should be included in the protection of this patent
Within the scope of.
In sum, this patent provides a kind of method improving xoncrete structure crack resistance, it is achieved that solve concrete
The difficult problem that engineering is easy to crack, improves safety and the practicality of engineering, the durability of engineering construction.This patent has novelty
Property, practicality, meet patent requirements, therefore propose patent application in accordance with the law.
Claims (5)
1. the method improving xoncrete structure crack resistance, including toughness cement-based material (1-1-1), toughness cement-based material
(1-1-2), toughness cement-based material (1-2-1), toughness cement-based material (1-2-2), toughness cement-based material (1-3-1), general
Lead to concrete (2-1-1), normal concrete (2-1-2), normal concrete (2-2-1), normal concrete (2-2-2), commonly mix
Solidifying soil (2-3-1), separation net (3-1-1), separation net (3-1-2), separation net (3-1-3), separation net (3-2-1), separation net (3-
2-2), steel reinforcement cage (4-1-1), steel reinforcement cage (4-1-2), steel reinforcement cage (4-2-1), steel reinforcement cage (4-2-2), steel reinforcement cage (4-3-1)；Its
Be characterised by: pour toughness cement-based material (1-1-1) at xoncrete structure tension position easy to crack, xoncrete structure other
Position pours normal concrete (2-1-1), separates with separation net (3-1-1) between bi-material；Or in xoncrete structure tension
Position easy to crack pours toughness cement-based material (1-1-2), pours normal concrete (2-1-at other positions of xoncrete structure
2), separate with separation net (3-2-1) between bi-material；Or pour toughness cement based at xoncrete structure tension position easy to crack
Material (1-2-1), pours normal concrete (2-2-1) at other positions of xoncrete structure, with separation net (3-between bi-material
1-2) separate；Or pour toughness cement-based material (1-2-2) at xoncrete structure tension position easy to crack, xoncrete structure its
His position pours normal concrete (2-2-2), separates with separation net (3-1-3) between bi-material；Or be subject at xoncrete structure
Draw position easy to crack to pour toughness cement-based material (1-3-1), pour normal concrete (2-3-at other positions of xoncrete structure
1), separate with separation net (3-2-2) between bi-material；The toughness cement matrix saved costly is reached by above measure
Material, reduction engineering cost, improve the purpose of xoncrete structure crack resistance.
A kind of method improving xoncrete structure crack resistance the most according to claim 1, it is characterised in that: for solid section
Surface concrete structure, lays separation net (3-1-1) and separates toughness cement-based material at xoncrete structure tension position easy to crack
(1-1-1) with normal concrete (2-1-1), separation net (3-1-1) is layed in the inner side of steel reinforcement cage (4-1-1)；Or at concrete
Structure tension position easy to crack is laid separation net (3-2-1) and is separated toughness cement-based material (1-1-2) and normal concrete (2-
1-2), separation net (3-2-1) is layed in the inner side of steel reinforcement cage (4-1-2)；Toughness cement-based material the thickest 50～500mm, every
Off-network sizing grid 2 × 2～80 × 80mm2。
A kind of method improving xoncrete structure crack resistance the most according to claim 1, it is characterised in that: for open-type
Or type semienclosed cross section structure, lay separation net (3-1-2) at xoncrete structure tension position easy to crack and separate toughness cement
Sill (1-2-1) and normal concrete (2-2-1), separation net (3-1-2) is layed in the inner side of steel reinforcement cage (4-2-1)；Or
Xoncrete structure tension position easy to crack is laid separation net (3-1-3) and is separated toughness cement-based material (1-2-2) and commonly mix
Solidifying soil (2-2-2), separation net (3-1-3) is layed in the inner side of steel reinforcement cage (4-2-2)；Toughness cement-based material respectively thick 50～
500mm；Separation net sizing grid 2 × 2～80 × 80mm2。
A kind of method improving xoncrete structure crack resistance the most according to claim 1, it is characterised in that: for hollow type
Cross section structure, lays separation net (3-2-2) and separates toughness cement-based material (1-3-at xoncrete structure tension position easy to crack
1) and normal concrete (2-3-1), separation net (3-2-2) is layed in the inner side of steel reinforcement cage (4-3-1)；Toughness cement-based material divides
Not thick 50～500mm；Separation net sizing grid 2 × 2～80 × 80mm2。
A kind of method improving xoncrete structure crack resistance the most according to claim 1, it is characterised in that: separation net (3-
1-1), separation net (3-1-2), separation net (3-1-3), separation net (3-2-1), separation net (3-2-2) are geonet or geotechnique's lattice
Grid or steel wire or stainless steel cloth or wire gauze or nylon wire or wire netting.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109795020A (en) * | 2019-03-21 | 2019-05-24 | 徐州工程学院 | A kind of preparation method of highly resistance carbonizing reinforced concrete |
| CN109824312A (en) * | 2019-03-21 | 2019-05-31 | 徐州工程学院 | A kind of preparation method improving Marine Reinforced Concrete Structures corrosion resistance of chloride ion ability |
| RU2731759C1 (en) * | 2019-12-25 | 2020-09-08 | Общество с ограниченной ответственностью "Центр технических разработок" | Reinforced concrete gutter and channel |
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| CN109824312A (en) * | 2019-03-21 | 2019-05-31 | 徐州工程学院 | A kind of preparation method improving Marine Reinforced Concrete Structures corrosion resistance of chloride ion ability |
| CN109795020B (en) * | 2019-03-21 | 2021-04-23 | 徐州工程学院 | Preparation method of high-carbonization-resistance reinforced concrete |
| CN109824312B (en) * | 2019-03-21 | 2021-07-27 | 徐州工程学院 | Preparation method for improving chlorine ion erosion resistance of marine reinforced concrete |
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