CN106759308B - A kind of precast hollow pile head waterproof construction method - Google Patents
A kind of precast hollow pile head waterproof construction method Download PDFInfo
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- CN106759308B CN106759308B CN201611095413.8A CN201611095413A CN106759308B CN 106759308 B CN106759308 B CN 106759308B CN 201611095413 A CN201611095413 A CN 201611095413A CN 106759308 B CN106759308 B CN 106759308B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/60—Piles with protecting cases
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/50—Piles comprising both precast concrete portions and concrete portions cast in situ
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- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
A kind of precast hollow pile head waterproof construction method, by implementing three step waterproof measures to pile crown: water-proofing treatment, hollow pile exterior side wall water-proofing treatment, hollow pile pile head waterproofing when filling core inside hollow pile reach good waterproof effect by three step water-proofing treatments.First using inner concrete carry out hollow pile inside fill core processing, while hollow pile internal diameter it is suitable for reading plus one circle water-swellable article rubber water stop；Next side wall is cemented base waterproof coating, and water-swellable article rubber water stop, external pasting waterproof roll is arranged along pile crown side wall in top；By base waterproof coating of cementing at the top of last pile crown, water-swellable article rubber water stop is arranged in waterproof polymer mortar.Operation of the present invention is simple, cheap and waterproof effect is good；Be effectively improved core fill the problem of leakiness waterproof construction effect difference and difficult management are vibrated after core, on the outside of prefabricated stake body because coiled material is not easy around leakage problems caused by paving and precast pile head to generate leakage problems caused by crack because of concrete shrinkage.
Description
Technical field
The invention belongs to waterproof construction construction fields, and in particular to a kind of precast hollow pile head waterproof construction side
Method.
Background technique
As urban construction constantly develops, skyscraper and super high-rise building are more and more, and urban compact degree is increasingly
Height causes Application in Underground Space more and more extensive, and underground people's air defense, underground parking, underground storehouse are also more and more, thereupon
Be basement structures leakage phenomenon it is increasingly severe, it is serious affect basement use and upper layer structures matter
Amount safety, therefore carry out that basic waterproof is particularly important, and the precast pile head position in basic waterproof be the high-risk position leaked,
Coiled material need to be cut off and be attached to pile crown surface by common waterproofing process, and coiled material and stake surface contact imprecision in this way, and cut off
Position coiled material has the gap part leakage, be easy to cause pile crown just face drainage.
The patent of CN201320729376.7 discloses constructing structure at a kind of foundation platform and pile crown waterproof, pile crown setting
Mold makes waterproof material at pile crown combine closely with stake, reaches pile body periphery waterproof effect, but Mold Making process is key,
And Mold Making is more complex, waterproof effect is difficult to reach.
The patent of CN201420724857.3 discloses a kind of pile crown water proof structure, and pile crown is arranged water-repellent paint, solves
Waterproof problem at the top of pile crown, but the not set finished product protection process of crystalline waterproof coating material, are easily destroyed, and do not consider pile body side wall
Waterproofing process.
The patent of CN201220369233.5 discloses a kind of prefabricated pile water proof structure, and polyurethane water-proof is arranged in pile crown periphery
Film, pile crown position, which thickeies, is made into inverted trapezoidal.It solves prefabricated pile periphery seepage problem, but does not consider to fill core inside hollow pile
When fill that core is insufficient leads to leakage phenomenon.
Summary of the invention
The technical problem to be solved by the present invention is to, for existing precast pile head water-proofing treatment is improper and waterproof effect not
Good problem, provides a kind of precast hollow pile head waterproof construction method, successfully reduces pile crown by three step waterproof measures
Part leakage phenomenon.
Used technical solution is the present invention to solve above-mentioned technical problem:
A kind of precast hollow pile head waterproof construction method, includes the following steps:
Water-proofing treatment when filling core inside S1, hollow pile:
1. being put into core steel reinforcement cage is filled in Prefabricated hollow pile, it is solid by steel reinforcement cage pallet and steel reinforcement cage reinforcing bar to fill core steel reinforcement cage
It is scheduled on the pile crown of Prefabricated hollow pile that (steel reinforcement cage reinforcing bar model, steel reinforcement cage pallet dimension are real according to corresponding construction drawing and scene
The production of border situation), water-swellable seal ring is put into during production fills core steel reinforcement cage；
2. the water-swellable article rubber water stop on a circle stake in-core surface is fixed on precast hollow before inner concrete is perfused
Stake internal diameter (stake in-core surface) is suitable for reading；
3. being irrigated inner concrete processing to Prefabricated hollow pile, and guarantee to meet water during inner concrete is perfused
Expansion water-stop adhesive tape and water-swellable seal ring are not destroyed；
S2, hollow pile exterior side wall water-proofing treatment:
1. Prefabricated hollow pile stake lateral wall (surrounding) removing surface is brushed completely and from the downward 45 ~ 55mm in pile crown surface
Stake outer surface water-swellable article rubber water stop, stake outer surface water-swellable is arranged along pile crown outer surface border in cement-base waterproof coating
Article rubber water stop and pile body are combined closely and are arranged along pile crown all round closure；
2. sealing material is arranged along precast hollow stake body surrounding and sole plate layer contacts position, sealing material is along stake
The closing setting of body outlet, and inner corner trim circular arc is smeared into order to subsequent waterproof roll paving；
3. paving waterproof roll extra play and waterproof roll on Prefabricated hollow pile lateral wall and sole plate bed course are prevented
Water coiled material extra play is arranged along 200 ~ 300 range of pile body surrounding horizontal direction and pays attention to stake outer surface water-swellable during paving
Article rubber water stop, cement-base waterproof coating, sealing material finished product protection, waterproof roll is suitable for reading concordant with pile crown；
S3, hollow pile pile head waterproofing:
1. after the pile crown of Prefabricated hollow pile is cleaned out, 2mm solid cement base waterproof coating, polymerization are brushed at the top of pile crown
Object waterproof mortar；
2. pile crown water-swellable article rubber water stop, pile crown water-swellable article rubber water stop is arranged around Prefabricated hollow pile internal diameter periphery
It is fixed on waterproof polymer mortar, guarantees pile crown water-swellable article rubber water stop closure；
3. sole plate is constructed, guarantee 2mm solid cement base in waterproof roll upper berth waterproof protective layer, sole plate construction
Water-repellent paint, waterproof polymer mortar, pile crown water-swellable article rubber water stop are not destroyed.
According to the above scheme, the inner concrete uses the micro- swollen water-proof concrete of microlith.
According to the above scheme, the waterproof polymer mortar is with a thickness of 10 ~ 12mm.
According to the above scheme, the waterproof protective layer is with a thickness of 35 ~ 45mm.
Compared with prior art, the beneficial effects of the present invention are:
1, the present invention passes through SBS coiled material, water-swellable article rubber water stop, infiltration by implementing three step waterproof measures to pile crown
Crystalline waterproof coating material etc., easy to operate, cheap and waterproof effect are good；
2, core is effectively improved using the method fill asking for vibrate after core leakiness waterproof construction effect difference and difficult management
Topic；
3, it is effectively improved on the outside of prefabricated stake body using the method because coiled material is not easy leakage problems caused by paving；
4, leakage problems caused by being effectively improved around precast pile head using the method because of concrete shrinkage generation crack.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of pile head waterproofing of the present invention；
Fig. 2 is the structural schematic diagram of stake in-core water-proofing treatment of the present invention；
Fig. 3 is the structural schematic diagram of the outer water-proofing treatment of pile crown of the present invention；
In figure, 1-SBS waterproof roll extra play, 2-3+4SBS waterproof roll, 31- in-core surface water-swellable water-stop glues
Item, 32- outer surface water-swellable article rubber water stops, 33- pile crown water-swellable article rubber water stop, 4- fill core steel reinforcement cage, 41- steel reinforcement cage
Reinforcing bar, 42- steel reinforcement cage pallet, 5- water-swellable seal ring, 6- sole plate bed course, 7- sealing material, 8- cement-based waterproof apply
Material, 9- Prefabricated hollow pile, 91- pile crown, 92- inner concrete, 10- structure base slab, 11-10mm waterproof polymer mortar, 12-
2mm solid cement base waterproof coating, 13-40mm thickness waterproof protective layer.
Specific embodiment
Technical solution of the present invention is described in detail with example with reference to the accompanying drawing.
Shown in referring to Fig.1 ~ Fig. 3, precast hollow pile head waterproof construction method described in the embodiment of the present invention, including it is as follows
Step:
Water-proofing treatment when filling core inside S1, hollow pile:
1. being put into core steel reinforcement cage 4 is filled in Prefabricated hollow pile 9, fills core steel reinforcement cage 4 and pass through steel reinforcement cage pallet 42 and steel reinforcement cage
Reinforcing bar 41 is fixed on the pile crown 91 of Prefabricated hollow pile 9 that (41 model of steel reinforcement cage reinforcing bar, steel reinforcement cage pallet 42 size are according to accordingly applying
Work drawing and on-site actual situations production), it is put into water-swellable seal ring 5 during production fills core steel reinforcement cage 4, such as Fig. 1 institute
Show；
2. a circle stake in-core surface water-swellable article rubber water stop 31 is fixed on prefabricated sky before inner concrete 92 is perfused
9 internal diameter of heart stake (stake in-core surface) is suitable for reading；
3. being irrigated inner concrete 92 to Prefabricated hollow pile 9 to handle, and guarantee in perfusion 92 process of inner concrete
Middle water-swellable article rubber water stop 31 and water-swellable seal ring 5 are not destroyed, as shown in Figure 2；
S2, hollow pile exterior side wall water-proofing treatment:
1. 9 lateral wall (surrounding) removing surfaces of Prefabricated hollow pile are brushed completely and from the downward 50mm in 91 surface of pile crown
Stake outer surface water-swellable article rubber water stop 32 is arranged along 91 outer surface border of pile crown in cement-base waterproof coating 8, and water is met in stake outer surface
Expansion water-stop adhesive tape 32 and pile body are combined closely and are arranged along pile crown all round closure；
2. sealing material 7, sealing material 7 is arranged along 9 pile body surrounding of Prefabricated hollow pile and 6 contact site of sole plate bed course
It closes and is arranged along pile body outlet, and smear into inner corner trim circular arc in order to subsequent 2 paving of waterproof roll；
3. anti-in 9 lateral wall of Prefabricated hollow pile and 6 paving SBS waterproof roll extra play 1 of sole plate bed course and 3+4SBS
Water coiled material 2, SBS waterproof roll extra play 1 are arranged along pile body surrounding horizontal direction 250mm range and pay attention to outside stake during paving
Surface water-swellable article rubber water stop 32, cement-base waterproof coating 8, sealing material 7 finished product protection, on 3+4SBS waterproof roll 2
Mouth is concordant with pile crown 91, as shown in Figure 3；
S3, hollow pile pile head waterproofing:
1. after the pile crown 91 of Prefabricated hollow pile 9 is cleaned out, 2mm solid cement base waterproof coating is brushed at the top of pile crown 91
12,10mm waterproof polymer mortar 11；
2. pile crown water-swellable article rubber water stop 33, pile crown water-swellable sealing is arranged around 9 internal diameter periphery of Prefabricated hollow pile
Adhesive tape 33 is fixed on 10mm waterproof polymer mortar 11, guarantees that pile crown water-swellable article rubber water stop 33 is closed；
3. structure base slab 10 is constructed, in 2 upper berth 40mm thickness waterproof protective layer 13 of SBS waterproof roll, structure base slab 10 is constructed
Middle guarantee 2mm solid cement base waterproof coating 12,10mm waterproof polymer mortar 11, pile crown water-swellable article rubber water stop 33 are not broken
It is bad.
The present invention implements three step water-proofing treatments to pile crown by above-mentioned, using SBS coiled material, water-swellable article rubber water stop, seeps
Saturating crystalline waterproof coating material etc., easy to operate, cheap and waterproof effect is good.
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description,
And all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (4)
1. a kind of precast hollow pile head waterproof construction method, which comprises the steps of:
Water-proofing treatment when filling core inside S1, hollow pile:
1. being put into core steel reinforcement cage is filled in Prefabricated hollow pile, fills core steel reinforcement cage and be fixed on by steel reinforcement cage pallet and steel reinforcement cage reinforcing bar
On the pile crown of Prefabricated hollow pile, water-swellable seal ring is put into during production fills core steel reinforcement cage；
2. the water-swellable article rubber water stop on a circle stake in-core surface is fixed in Prefabricated hollow pile before inner concrete is perfused
Diameter is suitable for reading；
3. being irrigated inner concrete processing to Prefabricated hollow pile, and guarantee water-swellable during inner concrete is perfused
Article rubber water stop and water-swellable seal ring are not destroyed；
S2, hollow pile exterior side wall water-proofing treatment:
1. Prefabricated hollow pile stake outer side wall surface is cleaned out and from brushing cement-based waterproof in the downward 45 ~ 55mm in pile crown surface
Coating, along pile crown outer surface border be arranged stake outer surface water-swellable article rubber water stop, stake outer surface water-swellable article rubber water stop with
Pile body is combined closely and is arranged along pile crown all round closure；
2. sealing material is arranged along precast hollow stake body surrounding and sole plate layer contacts position, sealing material is outside pile body
Border closing setting, and inner corner trim circular arc is smeared into order to subsequent waterproof roll paving；
3. paving waterproof roll extra play and waterproof roll on Prefabricated hollow pile lateral wall and sole plate bed course, waterproof roll
Material extra play is arranged along pile body surrounding horizontal direction 200 ~ 300mm range and notices that stake outer surface water-swellable stops during paving
Glue item, cement-base waterproof coating, sealing material finished product protection, waterproof roll is suitable for reading concordant with pile crown；
S3, hollow pile pile head waterproofing:
1. after the pile crown of Prefabricated hollow pile is cleaned out, it is anti-that 2mm solid cement base waterproof coating, polymer are brushed at the top of pile crown
Water sand slurry；
2. pile crown water-swellable article rubber water stop is arranged around Prefabricated hollow pile internal diameter periphery, pile crown water-swellable article rubber water stop is fixed
On waterproof polymer mortar, guarantee pile crown water-swellable article rubber water stop closure；
3. sole plate is constructed, guarantee 2mm solid cement base waterproof in waterproof roll upper berth waterproof protective layer, sole plate construction
Coating, waterproof polymer mortar, pile crown water-swellable article rubber water stop are not destroyed.
2. precast hollow pile head waterproof construction method according to claim 1, which is characterized in that the inner concrete
Using the micro- swollen water-proof concrete of microlith.
3. precast hollow pile head waterproof construction method according to claim 1, which is characterized in that the polymer waterproof
Mortar thickness is 10 ~ 12mm.
4. precast hollow pile head waterproof construction method according to claim 1, which is characterized in that the waterproof protective layer
With a thickness of 35 ~ 45mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611095413.8A CN106759308B (en) | 2016-11-30 | 2016-11-30 | A kind of precast hollow pile head waterproof construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611095413.8A CN106759308B (en) | 2016-11-30 | 2016-11-30 | A kind of precast hollow pile head waterproof construction method |
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| CN106759308A CN106759308A (en) | 2017-05-31 |
| CN106759308B true CN106759308B (en) | 2019-04-23 |
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| CN115341586B (en) * | 2022-08-08 | 2024-05-03 | 中国建筑第四工程局有限公司 | Waterproof construction operation method for anti-pulling pile head of CFG pile |
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| JP4174414B2 (en) * | 2003-11-21 | 2008-10-29 | 清水建設株式会社 | Hybrid pile and method for constructing hybrid pile |
| CN201915399U (en) * | 2010-12-28 | 2011-08-03 | 中国建筑第六工程局有限公司 | Rigid-flexible waterproof structure of head of prestressed pipe pile |
| CN102155026A (en) * | 2011-04-22 | 2011-08-17 | 吴兆圣 | Waterproof method for precast pile head |
| CN104153400A (en) * | 2014-08-22 | 2014-11-19 | 中国建筑第二工程局有限公司 | Soft soil foundation cast-in-place pile head waterproof part and construction method thereof |
| CN104975617A (en) * | 2015-07-15 | 2015-10-14 | 郑贤方 | Waterproof construction method of basement foundation cast-in-place pile head |
| CN105951893A (en) * | 2016-06-27 | 2016-09-21 | 中铁第四勘察设计院集团有限公司 | Uplift pile head node waterproof structure and construction method thereof |
-
2016
- 2016-11-30 CN CN201611095413.8A patent/CN106759308B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4174414B2 (en) * | 2003-11-21 | 2008-10-29 | 清水建設株式会社 | Hybrid pile and method for constructing hybrid pile |
| CN201915399U (en) * | 2010-12-28 | 2011-08-03 | 中国建筑第六工程局有限公司 | Rigid-flexible waterproof structure of head of prestressed pipe pile |
| CN102155026A (en) * | 2011-04-22 | 2011-08-17 | 吴兆圣 | Waterproof method for precast pile head |
| CN104153400A (en) * | 2014-08-22 | 2014-11-19 | 中国建筑第二工程局有限公司 | Soft soil foundation cast-in-place pile head waterproof part and construction method thereof |
| CN104975617A (en) * | 2015-07-15 | 2015-10-14 | 郑贤方 | Waterproof construction method of basement foundation cast-in-place pile head |
| CN105951893A (en) * | 2016-06-27 | 2016-09-21 | 中铁第四勘察设计院集团有限公司 | Uplift pile head node waterproof structure and construction method thereof |
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