CN109056846A - A kind of waterproofing process of anti-float anchor rod and bottom plate joint - Google Patents
A kind of waterproofing process of anti-float anchor rod and bottom plate joint Download PDFInfo
- Publication number
- CN109056846A CN109056846A CN201810997331.5A CN201810997331A CN109056846A CN 109056846 A CN109056846 A CN 109056846A CN 201810997331 A CN201810997331 A CN 201810997331A CN 109056846 A CN109056846 A CN 109056846A
- Authority
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- Prior art keywords
- water
- waterproof
- bottom plate
- anchor rod
- concrete
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/10—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against soil pressure or hydraulic pressure
- E02D31/12—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against soil pressure or hydraulic pressure against upward hydraulic pressure
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/16—Arrangement or construction of joints in foundation structures
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention discloses the waterproofing process of a kind of anti-float anchor rod and bottom plate joint, process includes: process one: grouting port cleaning: grouting port, the scale of dowel or grease stain being removed clean；Process two: pea gravel concreten blocks: at grouting port, pouring pea gravel concreten, vibrating, it is closely knit to pour；Process three: waterproof coating layer construction: the uniform brushing waterproof coating layer in anchor pole periphery；Process four: water-tight concrete circle pier and the construction of waterproof sealing cream: water-tight concrete circle pier is poured on anchor pole periphery, concrete circular pier is sealed with screed-coat intersection with sealing compound；Process five: waterproof roll is pasted；Process six: pea gravel concreten waterproof protective layer construction；Process seven: steel plate for sealing water installation；Process eight: water-tight concrete bottom slab concreting.The present invention has many advantages, such as that waterproof effect is significant, and manufacture craft is simple, reduces the project amount of later period bottom plate leak stopping a possibility that bottom plate leak at attenuating anchor pole significantly, reduces cost, also guarantee the construction quality of concrete basement bottom board.
Description
Technical field
The present invention relates to building fields, more particularly to the waterproofing process of a kind of anti-float anchor rod and bottom plate joint.
Background technique
Anti-float anchor rod is one kind of architectural engineering underground structure measure of anti float.Anti-float anchor rod is different from general foundation pile,
There is the special performance of its own, the maximum difference with general foundation pile is: foundation pile is usually compressive pile, and pile body bears building
Load pressure, stress are transmitted from stake top to stake bottom, and pile body stress size changes with the variation of built-loading；And anti-floating pile is then
Pulling force is born for resistance to plucking pile body, common anti-floating pile stress is also to transmit from stake top to stake bottom, and pile body stress size is with underground water
The variation of position and change, but the two mechanical behavior is just the opposite.Anti-float anchor rod, which refers to, resists the various stakes that building shifts up
The general name of type, anti-float anchor rod are different from general foundation pile, have the special performance of its own, anti-floating pile is uplift pile.
Anti-float anchor rod construction technology is since its construction technology is simple, is easy to quality control, highly-safe, engineering overall cost
Low, short construction period, construction noise be small, resistance to plucking significant effect small to surrounding environment influence, is widely used to coastal cities base
Bottom underground water maximum buoyancy is greater than the structural anti-buoyancy of unit area.Since anti-float anchor rod is to take hole, and anchor pole using bore process
Body of rod top dowel is interspersed in baseplate reinforcing bar, is cast in inside underplate concrete.Such as rely solely on dowel and the bottom of anchor pole
The frictional force of board concrete, to make anchor pole link together with bottom plate, globality is bad.In the continually changing feelings of groundwater level
Under condition, pulling force is born between anchor pole and bottom plate.Once dowel and bottom plate have a loosening, and the waterproof layer of bottom plate has a leakage, at anchor pole
Bottom plate is to be very easy to infiltration.Once leaking, then cost is stifled controls, then it will lead to the dual of social benefit and economic benefit
Loss.
Summary of the invention
The object of the invention is that providing the anti-of a kind of anti-float anchor rod and bottom plate joint to solve the above-mentioned problems
Water way.
The present invention through the following technical solutions to achieve the above objectives:
A kind of waterproofing process of anti-float anchor rod and bottom plate joint, including following process:
Process one: grouting port cleaning: finishing to anti-float anchor rod slip casting, and after reaching design strength, dry by clearing up at grouting port
Only, the scale of dowel or grease stain are removed clean；
Process two: pea gravel concreten blocks: at grouting port after the cleaning, pouring pea gravel concreten, vibrating, it is closely knit to pour, with phase
Adjacent concrete cushion builds up entirety, does not stay construction joint, and the filling and leading up of pea gravel concreten can not only accumulate in anti-to avoid underground water
Drogue rod end head position carries out long-time corrosion to dowel；Meanwhile the rigid waterproofing performance of pea gravel concreten itself is in certain journey
The upper infiltration of underground water is effectively prevented on degree；
Process three: waterproof coating layer construction: substrate is cleaned out, and is moistened, in the uniform brushing waterproof coating layer in anchor pole periphery,
Crystalline solid not soluble in water is formed in concrete, blocks capillary channel, to make concrete densification, waterproof, can not only be resisted for a long time
Seep and be resistant to strong hydraulic pressure, and concrete same service life, and penetrating power with super strength, in inside concrete penetrant crystalline, no
It is easily destroyed, with self-repairing capability free from worldly cares, the crack less than 0.4mm can be repaired；
Process four: water-tight concrete circle pier, top water-tight concrete circle pier and the construction of waterproof sealing cream: are poured on anchor pole periphery
Portion is levelling, and concrete circular pier is sealed with screed-coat intersection with sealing compound；
Process five: waterproof roll is pasted；
Process six: pea gravel concreten waterproof protective layer construction；
Process seven: steel plate for sealing water installation: steel plate for sealing water being mounted on dowel, assembling reinforcement, and one guarantees anti-float anchor rod and bottom
The globality of plate；Two come when anchor pole has loosening with bottom plate, steel plate for sealing water can be deformed, and play resistance effect；Third is that once should
Position leak, waterstop, which can become, to be set off, and is repaired convenient for leak stopping；
Process eight: water-tight concrete bottom slab concreting, steel plate for sealing water pour in the soleplate, reinforce the anti-water energy of bottom plate together with bottom plate
Power.
Further, pea gravel concreten is marked as same blinding concrete label in the process two, and absolute altitude is the same as surrounding bed course
Absolute altitude.
Further, water-repellent paint classification is that penetrant crystalline cement-based waterproof applies film type in the process three, brushes area
Using anchor pole center as the center of circle, diameter 500mm uniformly applies brush applied coating in region in domain, and with a thickness of 1.0mm, dosage is not less than 1.5Kg/m
³。
Further, using anchor pole center as the center of circle, the anti-of the process four is poured on three waterproof coating layer of process
Concrete circular pier is seeped, impervious grade is P8, and with waterproof sealing cream at water-tight concrete circle pier periphery stuff up a crack
Sealing.
Further, modified asphalt waterproof coiled material executes national standard GB18242-2008 in the process five, is to use benzene
Ethylene-butadiene-styrene rubber modified asphalt does coating, is tire base with glass fiber felt, polyester felt, fiberglass reinforcing polyester felt.
Further, the steel plate for sealing water of the process seven is on every anti-float anchor rod dowel with a thickness of 3mm, having a size of 100mm
×100mm。
Further, after the eight water-tight concrete bottom slab concreting of process, reach P8 impermeability.
Further, the waterproof sealing cream in the process four can generate expansion after meeting water, play good sealing effect
Fruit, while there is good fillibility and cementability, it is ensured that product is inserted in crack and gap, thus is suitable for moist, smooth
And coarse surface；Distinctive flexibility ensures that it is suitble to irregular basal plane seam waterproof.
Compared with the existing technology, advantages of the present invention is as follows:
1, on the basis of the present invention before bottom slab concreting at anchor pole end by being cleared up, pass through integrated use concrete rigid
The protection of the multiple waterproofs such as waterproof, water-repellent paint, waterproof roll and concrete self-waterproof, it is anti-among bottom plate along with being embedded in
The steel plate for sealing water of drogue bar；Multi-way prevention tempers toughness with gentleness, maximizes favourable factors and minimizes unfavourable ones, integrated control, that is, ensure that anti-float anchor rod and structure bottom
The waterproof reliability of plate connector in turn ensures the stability of anti-float anchor rod and structure base slab connection, excellent to play anti-float anchor rod
The advantages that elegant extraction-resistant behavior, waterproof effect is significant, and manufacture craft is simple, reasonable；
2, the present invention only need to simply increase several procedures, can substantially reduce anti-float anchor rod and the weakness leak of bottom plate connector
Possibility substantially reduces the workload of construction in later period bottom plate leak stopping, period cost after reduction, also can guarantee concrete basement bottom board
Construction quality；
3, material therefor of the present invention, other than penetrant crystalline water-repellent paint need to separately be bought, remaining material is that scene is common
Material, nearby draw materials, construction is simple, quality is easily controllable, due to anchor pole be on a large scale, the distribution of large area, each construction work
Sequence can block construction, can effectively implement in practice of construction scene, the effective construction quality for guaranteeing anti-float anchor rod.
Specific embodiment
The present invention is further illustrated combined with specific embodiments below, but the present invention is not limited thereto embodiment.
Embodiment 1
1), grouting port is cleared up: it finishes to anti-float anchor rod slip casting, and after reaching design strength, will be cleaned out at grouting port, it will
The scale or grease stain of dowel are removed clean.
2), pea gravel concreten blocks: at grouting port after the cleaning, C15 pea gravel concreten is poured, vibrating, it is closely knit to pour,
Build up entirety with adjacent concrete cushion, do not stay construction joint, highly with the bed course top mark Gao Tonggao of surrounding, pea gravel concreten
Anti-float anchor rod end position can be accumulated in not only to avoid underground water by filling and leading up, and carry out long-time corrosion to dowel；Meanwhile microlith is mixed
The rigid waterproofing performance of solidifying soil itself effectively prevents the upper infiltration of underground water to a certain extent.
3), waterproof coating layer is constructed: substrate is cleaned out, and is moistened, using anchor pole center as the center of circle, in the region diameter 500mm
The nylon bruss brush about 1.0mm solid cement base infiltration crystallization type coating waterproof layer of semihard is used on bed course, coating needs are uniform, and one
The thickness of layer should control and be not easy to conserve 1.2mm(is too thick)；Dosage is not less than 1.5kg/m3, and when maintenance need to use after initial set
Fog curing, and then guarantee that coating is not destroyed.
4), water-tight concrete circle pier and the construction of waterproof sealing cream: after waterproof coating layer is by checking and accepting, with anchor pole center
For the center of circle, a 70mm thickness concrete pier (diameter 300mm is round) is done, the same bottom board concrete of concrete label (P8C35), top is levelling；Meanwhile
Bed course top 20mm thickness mortar levelling；Since water-proof concrete and waterproof mortar are not same materials, concrete pier with it is levelling
Layer intersection is sealed with sealing compound；Water-swellable polyurethane water-proof sealing compound, elastic waterstop and water-swellable with rubber
The dual water-proof mechanism of own vol expansion water-stop afterwards, there is good application operability and basal plane caking property.
5), waterproof roll is pasted；Bottom plate waterproof coiled material is 2 2mm thickness self-adhering polymer (no tire) modified asphalt waterproofs volume
Material should be noted that small area coiled material is laid with and overlaps at anchor pole since coiled material is self-adhering-type.
6), pea gravel concreten waterproof protective layer is constructed；Waterproof roll completes the protection of after-pouring 40mm thickness C20 pea gravel concreten
Layer.
7), steel plate for sealing water is installed: steel plate for sealing water being mounted on dowel, assembling reinforcement, one guarantees anti-float anchor rod and bottom
The globality of plate；Two come when anchor pole has loosening with bottom plate, steel plate for sealing water can be deformed, and play resistance effect；Third is that once should
Position leak, waterstop, which can become, to be set off, and is repaired convenient for leak stopping.
8), water-tight concrete bottom slab concreting, steel plate for sealing water pour in the soleplate, reinforce the anti-water energy of bottom plate together with bottom plate
Power.
Embodiment described above only expresses one embodiment of the present invention, and the description thereof is more specific and detailed, but not
Therefore energy is interpreted as the limitation of the invention patent range.It should be pointed out that for those of ordinary skill in the art,
Without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection model of the invention
It encloses.
Claims (8)
1. the waterproofing process of a kind of anti-float anchor rod and bottom plate joint, it is characterised in that: including following process:
Process one: grouting port cleaning: finishing to anti-float anchor rod slip casting, and after reaching design strength, dry by clearing up at grouting port
Only, the scale of dowel or grease stain are removed clean；
Process two: pea gravel concreten blocks: at grouting port after the cleaning, pouring pea gravel concreten, vibrating, it is closely knit to pour, with phase
Adjacent concrete cushion builds up entirety, does not stay construction joint；
Process three: waterproof coating layer construction: substrate is cleaned out, and is moistened, in the uniform brushing waterproof coating layer in anchor pole periphery；
Process four: water-tight concrete circle pier, top water-tight concrete circle pier and the construction of waterproof sealing cream: are poured on anchor pole periphery
Portion is levelling, and concrete circular pier is sealed with screed-coat intersection with sealing compound；
Process five: waterproof roll is pasted；
Process six: pea gravel concreten waterproof protective layer construction；
Process seven: steel plate for sealing water installation: steel plate for sealing water is mounted on dowel, assembling reinforcement；
Process eight: water-tight concrete bottom slab concreting.
2. the waterproofing process of a kind of anti-float anchor rod and bottom plate joint according to claim 1, it is characterised in that: the work
Pea gravel concreten is marked as same blinding concrete label in sequence two, and absolute altitude is the same as surrounding bed course absolute altitude.
3. the waterproofing process of a kind of anti-float anchor rod and bottom plate joint according to claim 1, it is characterised in that: the work
Water-repellent paint classification is that penetrant crystalline cement-based waterproof applies film type in sequence three, and printed regions are using anchor pole center as the center of circle, diameter
500mm uniformly applies brush applied coating in region, and with a thickness of 1.0mm, dosage is not less than 1.5Kg/m3.
4. the waterproofing process of a kind of anti-float anchor rod and bottom plate joint according to claim 1, it is characterised in that: with anchor pole
Center is the center of circle, and the water-tight concrete circle pier of the process four is poured on three waterproof coating layer of process, impervious
Grade is P8, and is sealed at water-tight concrete circle pier periphery stuff up a crack with waterproof sealing cream.
5. the waterproofing process of a kind of anti-float anchor rod and bottom plate joint according to claim 1, it is characterised in that: the work
Modified asphalt waterproof coiled material executes national standard GB18242-2008 in sequence five, is changed with s-B-S rubber
Property pitch does coating, is tire base with glass fiber felt, polyester felt, fiberglass reinforcing polyester felt.
6. the waterproofing process of a kind of anti-float anchor rod and bottom plate joint according to claim 1, it is characterised in that: every anti-
The steel plate for sealing water of the process seven is on drogue bar dowel with a thickness of 3mm, having a size of 100mm × 100mm.
7. the waterproofing process of a kind of anti-float anchor rod and bottom plate joint according to claim 1, it is characterised in that: the work
After eight water-tight concrete bottom slab concreting of sequence, reach P8 impermeability.
8. the waterproofing process of a kind of anti-float anchor rod and bottom plate joint according to claim 1, it is characterised in that: the work
Waterproof sealing cream in sequence four can generate expansion after meeting water, play good water-stagnating effect, while having good fillibility
And cementability, it is ensured that product is inserted in crack and gap, thus is suitable for moist, smooth and coarse surface；Distinctive flexibility
Ensure that it is suitble to irregular basal plane seam waterproof.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810997331.5A CN109056846A (en) | 2018-08-29 | 2018-08-29 | A kind of waterproofing process of anti-float anchor rod and bottom plate joint |
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| CN201810997331.5A CN109056846A (en) | 2018-08-29 | 2018-08-29 | A kind of waterproofing process of anti-float anchor rod and bottom plate joint |
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Cited By (1)
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| CN112081146A (en) * | 2020-09-03 | 2020-12-15 | 江苏凯伦建材股份有限公司 | Construction method of polymer self-adhesive film waterproof coiled material capable of being constructed in rainy season |
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Application publication date: 20181221 |