CN110439016A - A kind of pile foundation waterproof construction method - Google Patents
A kind of pile foundation waterproof construction method Download PDFInfo
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- CN110439016A CN110439016A CN201910653806.3A CN201910653806A CN110439016A CN 110439016 A CN110439016 A CN 110439016A CN 201910653806 A CN201910653806 A CN 201910653806A CN 110439016 A CN110439016 A CN 110439016A
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- layer
- pile foundation
- waterproof
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- pile
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
-
- 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
- E02D31/025—Draining membranes, sheets or fabric specially adapted therefor, e.g. with dimples
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Piles And Underground Anchors (AREA)
- Foundations (AREA)
Abstract
The invention belongs to the realm of building construction, and in particular to a kind of pile foundation waterproof construction method, comprising the following steps: Step 1: pile crown is abolished；Step 2: the construction of blinding layer；Step 3: water-swellable sealing strip is installed；Step 4: cement based penetration crystallization type water proofing paint layer is constructed；Step 5: Polymer cement materials layer is constructed；Step 6: the construction of SBS waterproof layer；Step 7: cement mortar protective course is constructed；Utilize increase water expandable waterstop, cement based penetration crystallization type water proofing paint layer on process interface, Polymer cement materials layer completes process interface waterproof, multiple waterproof is set up defences, improve seepage capability, can with pour that concrete structure bonding thereon is closely knit, not channeling water, it solves the problems, such as pile foundation process interface, eliminates pile foundation risk of leakage.Process structure is reasonable, easy to operate, and work efficiency is high, strong operability.
Description
Technical field
The invention belongs to the realm of building construction, and in particular to a kind of pile foundation waterproof construction method.
Background technique
Currently, in the construction of pile foundation, conventional technique be concrete cushion, waterproof coiled material, protective layer, structure from
Waterproof layer is successively constructed.But because the design of the structure of pile foundation needs to be coupled, engineering pile need to be anchored into foundation platform, and process interface is not
Execution conditions are able to satisfy, so that the effect that pile foundation and the construction method at basic waterproof construction interface cannot get waterproof embodies, are influenced
The integral waterproofing effect and entity of pile foundation use.
Summary of the invention
For the technical problems in the prior art, the purpose of the present invention is to provide a kind of pile foundation waterproof constructions
Method, to achieve the goals above, the technical scheme adopted by the invention is as follows:
A kind of pile foundation waterproof construction method, comprising the following steps:
Step 1: pile crown is abolished: carrying out pile crown and abolish, amputate extra pile foundation reinforcing bar, pile crown is abolished smooth, cleaning and done
Only, finally pile crown is carried out carrying out lid protection；
Step 2: the construction of blinding layer: first successively, compacting levelling to foundation pit soil layer, installation foundation bed course template, then
Pour blinding concrete, be compacted troweling, later remove blinding layer template, finally to blinding concrete into
The maintenance of journey lid；
Step 3: water-swellable sealing strip is installed: first the polishing of progress water-swellable sealing strip installation place is recessed smooth, later
Water-swellable sealing strip is installed, before the water-swellable sealing strip installation, water-swellable sealing strip connects with pile foundation, blinding layer
Embedding full sealant at conjunction, width is along pile foundation surrounding 30mm；
Step 4: cement based penetration crystallization type water proofing paint layer is constructed: along pile foundation surrounding and pile body brushing cement-based penetrant
Crystalline waterproof coating layer；
Step 5: Polymer cement materials layer is constructed: along pile foundation surrounding and pile body construction polymer cement waterproof sand
Pulp layer；
Step 6: the construction of SBS waterproof layer: before the construction of SBS waterproof layer, SBS additional waterproof course of first constructing, Zhi Houshi
Work SBS waterproof layer；
Step 7: cement mortar protective course is constructed: construction cement mortar protective course is compacted troweling, carries out carrying out later covering and support
Shield, then construct self waterproof structure baseplate reinforcing bar and template, self waterproof structure underplate concrete of finally constructing.
Preferably, the blinding layer is with a thickness of 100mm.
Preferably, the water-swellable sealing strip is 20mm*30mm.
Preferably, the cement based penetration crystallization type water proofing paint layer is 300mm along pile foundation surrounding width, with a thickness of 2~
3mm。
Preferably, the Polymer cement materials layer is 600mm along pile foundation surrounding width, with a thickness of 15~20mm.
Preferably, the SBS additional waterproof course is 800mm along pile foundation surrounding width, with a thickness of 3mm.
Preferably, the SBS waterproof layer with a thickness of 3mm.
A kind of pile foundation waterproof construction method provided by the invention utilizes increase water-swellable sealing on process interface
Item, cement based penetration crystallization type water proofing paint layer, Polymer cement materials layer complete process interface waterproof, and multiple waterproof is set
It is anti-, improve seepage capability, can with pour that concrete structure bonding thereon is closely knit, not channeling water, solve pile foundation process
The problem at interface eliminates pile foundation risk of leakage.Process structure is reasonable, easy to operate, and work efficiency is high, strong operability.
Detailed description of the invention
Fig. 1 is a kind of pile foundation waterproof construction schematic front view；
Fig. 2 is a kind of pile foundation waterproof construction schematic side view；
1, pile foundation 2, foundation pit soil layer 3, blinding layer 4, water-swellable sealing strip 5, sealant 6, cement base in figure
Penetration crystallization type water proofing paint layer 7, Polymer cement materials layer 8, SBS waterproof layer 9, cement mortar protective course 10,
Pile foundation reinforcing bar 11, self waterproof structure bottom plate
Specific embodiment
A kind of pile foundation waterproof construction method to further describe the present invention, with reference to the accompanying drawing makees it further
Explanation.
In Fig. 1-2: a kind of pile foundation waterproof construction method, comprising:
Step 1: pile crown is abolished: carrying out pile crown and abolish, amputate extra pile foundation reinforcing bar 10, pile crown abolishes smooth, cleaning
Completely, finally pile crown is carried out carrying out lid protection；
Step 2: the construction of blinding layer 3: first successively, compacting levelling to foundation pit soil layer 2,3 template of installation foundation bed course,
Then 3 concrete of blinding layer is poured, troweling is compacted, later removes 3 template of blinding layer, finally to blinding layer 3
Concrete carries out carrying out lid maintenance；
Step 3: water-swellable sealing strip 4 is installed: first the polishing of progress 4 installation place of water-swellable sealing strip is recessed smooth, it
Water-swellable sealing strip 4 is installed afterwards, before the water-swellable sealing strip 4 is installed, water-swellable sealing strip 4 and pile foundation 1, basis
The embedding full sealant 5 in 3 joint of bed course, width is along pile foundation surrounding 30mm；
Step 4: cement based penetration crystallization type water proofing paint layer 6 is constructed: along pile foundation surrounding and pile body brushing cement-based penetrant
Crystalline waterproof coating layer 6；
Step 5: Polymer cement materials layer 7 is constructed: along pile foundation surrounding and pile body construction polymer cement waterproof sand
Pulp layer 7；
Step 6: the construction of SBS waterproof layer 8: before the construction of SBS waterproof layer 8, SBS additional waterproof course of first constructing, later
Construction SBS waterproof layer 8；
Step 7: cement mortar protective course 9 is constructed: construction cement mortar protective course 9 is compacted troweling, carries out shoe lid later
Maintenance, then construct 11 reinforcing bar of self waterproof structure bottom plate and template, 11 concrete of self waterproof structure bottom plate of finally constructing.
The blinding layer 3 is with a thickness of 100mm.
The water-swellable sealing strip 4 is 20mm*30mm.
The cement based penetration crystallization type water proofing paint layer 6 is 300mm along pile foundation surrounding width, with a thickness of 2~3mm.
The Polymer cement materials layer 7 is 600mm along pile foundation surrounding width, with a thickness of 15~20mm.
The SBS additional waterproof course is 800mm along pile foundation surrounding width, with a thickness of 3mm.
The SBS waterproof layer 8 with a thickness of 3mm.
Method of the invention is in pile foundation environment for engineer application, in pile foundation waterproof construction, using this
Inventive method utilizes increase water expandable waterstop, cement based penetration crystallization type water proofing paint layer, polymer water on process interface
Mud waterproof mortar course completes process interface waterproof, and multiple waterproof sets up defences, improve seepage capability, can with pour concrete thereon
Construction bonds are closely knit, not channeling water, solve the problems, such as pile foundation process interface, eliminate pile foundation risk of leakage.Technique knot
Structure is reasonable, easy to operate, and work efficiency is high, strong operability.
The above content is just an example and description of the concept of the present invention, not detailed place, is the art
Well-known technique, affiliated those skilled in the art make various modifications or additions to the described embodiments or
It is substituted in a similar manner, it as long as it does not deviate from the concept of invention or beyond the scope defined by this claim, should all
It belongs to the scope of protection of the present invention.
Claims (7)
1. a kind of pile foundation waterproof construction method, which comprises the following steps:
Step 1: pile crown is abolished: carrying out pile crown and abolish, amputate extra pile foundation reinforcing bar (10), pile crown is abolished smooth, cleaning and done
Only, finally pile crown is carried out carrying out lid protection；
Step 2: the construction of blinding layer (3): first successively, compacting levelling to foundation pit soil layer (2), installation foundation bed course (3) mould
Plate then pours blinding layer (3) concrete, is compacted troweling, later removes blinding layer (3) template, finally to base
Plinth bed course (3) concrete carries out carrying out lid maintenance；
Step 3: water-swellable sealing strip (4) is installed: first the polishing of progress water-swellable sealing strip (4) installation place is recessed smooth, it
Water-swellable sealing strip (4) are installed afterwards, before water-swellable sealing strip (4) installation, water-swellable sealing strip (4) and pile foundation
(1), blinding layer (3) joint is embedding full sealant (5), and width is along pile foundation surrounding 30mm；
Step 4: cement based penetration crystallization type water proofing paint layer (6) is constructed: along pile foundation surrounding and pile body brushing cement-based penetrant knot
Crystal form waterproof coating layer (6)；
Step 5: Polymer cement materials layer (7) is constructed: along pile foundation surrounding and pile body construction Polymer cement materials
Layer (7)；
Step 6: the construction of SBS waterproof layer (8): before the construction of SBS waterproof layer (8), SBS additional waterproof course of first constructing, later
It constructs SBS waterproof layer (8)；
Step 7: cement mortar protective course (9) is constructed: construction cement mortar protective course (9) is compacted troweling, carries out shoe lid later
Maintenance, then construct self waterproof structure bottom plate (11) reinforcing bar and template, self waterproof structure bottom plate (11) concrete of finally constructing.
2. a kind of pile foundation waterproof construction method according to claim 1, which is characterized in that the blinding layer (3)
With a thickness of 100mm.
3. a kind of pile foundation waterproof construction method according to claim 1, which is characterized in that the water-swellable sealing
Item (4) is 20mm*30mm.
4. a kind of pile foundation waterproof construction method according to claim 1, which is characterized in that the cement-based penetrant knot
Crystal form waterproof coating layer (6) is 300mm along pile foundation surrounding width, with a thickness of 2~3mm.
5. a kind of pile foundation waterproof construction method according to claim 1, which is characterized in that the polymer cement is anti-
Water sand pulp layer (7) is 600mm along pile foundation surrounding width, with a thickness of 15~20mm.
6. a kind of pile foundation waterproof construction method according to claim 1, which is characterized in that the SBS waterproof is additional
Layer is 800mm along pile foundation surrounding width, with a thickness of 3mm.
7. a kind of pile foundation waterproof construction method according to claim 1, which is characterized in that the SBS waterproof layer (8)
With a thickness of 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910653806.3A CN110439016A (en) | 2019-07-19 | 2019-07-19 | A kind of pile foundation waterproof construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910653806.3A CN110439016A (en) | 2019-07-19 | 2019-07-19 | A kind of pile foundation waterproof construction method |
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| Publication Number | Publication Date |
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| CN110439016A true CN110439016A (en) | 2019-11-12 |
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ID=68429777
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910653806.3A Pending CN110439016A (en) | 2019-07-19 | 2019-07-19 | A kind of pile foundation waterproof construction method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115369927A (en) * | 2022-09-13 | 2022-11-22 | 中国三冶集团有限公司 | Construction method of anti-seepage structure of pile head of bottom plate of garbage pit |
| CN115434373A (en) * | 2022-09-28 | 2022-12-06 | 中国二十二冶集团有限公司 | Waterproof construction method of tubular pile foundation |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202577372U (en) * | 2012-05-21 | 2012-12-05 | 江苏江中集团有限公司 | Waterproof structure of pile head of basement |
| CN204662516U (en) * | 2015-04-03 | 2015-09-23 | 马鞍山十七冶工程科技有限责任公司 | A kind of underground construction pile crown water-tight device |
| KR20170006891A (en) * | 2015-07-10 | 2017-01-18 | 정광순 | Construction pile having a waterproof portion |
-
2019
- 2019-07-19 CN CN201910653806.3A patent/CN110439016A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202577372U (en) * | 2012-05-21 | 2012-12-05 | 江苏江中集团有限公司 | Waterproof structure of pile head of basement |
| CN204662516U (en) * | 2015-04-03 | 2015-09-23 | 马鞍山十七冶工程科技有限责任公司 | A kind of underground construction pile crown water-tight device |
| KR20170006891A (en) * | 2015-07-10 | 2017-01-18 | 정광순 | Construction pile having a waterproof portion |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115369927A (en) * | 2022-09-13 | 2022-11-22 | 中国三冶集团有限公司 | Construction method of anti-seepage structure of pile head of bottom plate of garbage pit |
| CN115434373A (en) * | 2022-09-28 | 2022-12-06 | 中国二十二冶集团有限公司 | Waterproof construction method of tubular pile foundation |
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Application publication date: 20191112 |