CN113404094A - Pile head waterproof treatment structure and construction method - Google Patents
Pile head waterproof treatment structure and construction method Download PDFInfo
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- CN113404094A CN113404094A CN202110751411.4A CN202110751411A CN113404094A CN 113404094 A CN113404094 A CN 113404094A CN 202110751411 A CN202110751411 A CN 202110751411A CN 113404094 A CN113404094 A CN 113404094A
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- 238000010276 construction Methods 0.000 title claims abstract description 62
- 239000004567 concrete Substances 0.000 claims abstract description 70
- 239000000463 material Substances 0.000 claims abstract description 22
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 51
- 238000007789 sealing Methods 0.000 claims description 45
- 238000000576 coating method Methods 0.000 claims description 31
- 239000011248 coating agent Substances 0.000 claims description 30
- 230000003014 reinforcing effect Effects 0.000 claims description 27
- 239000003822 epoxy resin Substances 0.000 claims description 14
- 239000003973 paint Substances 0.000 claims description 14
- 229920000647 polyepoxide Polymers 0.000 claims description 14
- 238000004078 waterproofing Methods 0.000 claims description 14
- 230000002940 repellent Effects 0.000 claims description 13
- 239000005871 repellent Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 11
- 239000000565 sealant Substances 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 239000010426 asphalt Substances 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 5
- 229920002635 polyurethane Polymers 0.000 claims description 4
- 239000004814 polyurethane Substances 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 3
- 239000004587 polysulfide sealant Substances 0.000 claims description 3
- 239000004590 silicone sealant Substances 0.000 claims description 3
- 239000000839 emulsion Substances 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims description 2
- 229920002379 silicone rubber Polymers 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 26
- 230000035699 permeability Effects 0.000 description 10
- 239000004593 Epoxy Substances 0.000 description 9
- 239000004615 ingredient Substances 0.000 description 9
- 230000008595 infiltration Effects 0.000 description 6
- 238000001764 infiltration Methods 0.000 description 6
- 239000011083 cement mortar Substances 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 239000012466 permeate Substances 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- 239000004568 cement Substances 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 239000004570 mortar (masonry) Substances 0.000 description 3
- 239000011414 polymer cement Substances 0.000 description 3
- 239000003673 groundwater Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 208000034189 Sclerosis Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000011850 water-based material Substances 0.000 description 1
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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
- E02D31/02—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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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/12—Restraining of underground water by damming or interrupting the passage of underground water
- E02D19/16—Restraining of underground water by damming or interrupting the passage of underground water by placing or applying sealing substances
-
- 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
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The application relates to the field of building waterproof construction, in particular to a pile head waterproof treatment structure which is used for performing waterproof treatment on a pile body and a position where the pile body is connected with a concrete base layer, wherein reinforcing steel bars in the pile body penetrate out of the outer side of the pile body; the waterproof base layer is made of permeable waterproof materials and penetrates into the concrete base layer and the pile body. This application has the efficiency that improves the waterproof construction, reduces the effect that produces the influence to the waterproof nature of waterproof construction.
Description
Technical Field
The application relates to the field of building waterproof construction, in particular to a pile head waterproof treatment structure and a construction method.
Background
The concrete pile is a common component in the building engineering, and during the construction, the concrete pile is buried underground, and the upper end extends to the ground upside, and has pour the concrete base course subaerially, and after the construction of accomplishing the concrete pile, need carry out waterproof construction to the concrete pile and concrete base course department of meeting, reduce the problem that upwards oozes the water.
During waterproof construction, a cement-based capillary crystalline waterproof material is coated on the top surface and the side surface of the concrete pile and the concrete base layer within a certain range, polymer cement waterproof mortar is constructed on the cement-based capillary crystalline waterproof material on the concrete base layer, then waterproof layer construction is carried out on the polymer cement waterproof mortar, the waterproof layer extends to the root position of the concrete pile, and waterproof treatment on the joint position of the concrete pile and the concrete base layer can be realized.
With respect to the related art in the above, the inventors found that: in the construction process, the cement-based capillary crystalline waterproof coating and the polymer cement waterproof mortar need long-time moisture-retaining maintenance, so that the waterproof structure meets the waterproof requirement, otherwise, the conditions of sanding, cracking and insufficient strength easily occur, the waterproof property of the waterproof structure is damaged, the moisture-retaining maintenance of the waterproof structure needs long time, and the construction efficiency is low.
Disclosure of Invention
The application provides a pile head waterproofing treatment structure and a construction method, aiming at improving the construction efficiency of a waterproofing structure and reducing the problem of influence on the waterproofness of the waterproofing structure.
First aspect, the application provides a pile head water repellent structure, adopts following technical scheme:
a pile head waterproof processing structure is used for performing waterproof processing on a pile body and a position where the pile body is connected with a concrete base layer, reinforcing steel bars in the pile body penetrate out of the pile body, the waterproof processing structure comprises a waterproof base layer arranged on the concrete base layer and the part, located on the outer side of the concrete base layer, of the pile body, and a waterproof layer is paved on the waterproof base layer on the concrete base layer; the waterproof base layer is made of permeable waterproof materials and penetrates into the concrete base layer and the pile body.
Through adopting the above technical scheme, set up waterproof material of waterproof basic unit material for having permeability, apply paint waterproof basic unit on concrete basic unit and stake body with a brush, waterproof basic unit infiltration to concrete basic unit and stake are originally internal, better waterproof nature has, the problem that the waterproof layer drops is difficult to appear, water-proof effects is comparatively stable, waterproof basic unit is difficult to appear the sand, the problem of layering, the problem that the waterproof layer of follow-up construction is difficult to appear droing, keep the stability that the waterproof layer was laid, the holistic water-proof effects of this pile head water repellent structure is better, the speed of waterproof basic unit solidification is faster, and the construction efficiency is improved.
Optionally, a sealing layer is arranged at a position where the waterproof layer is connected with the waterproof base layer on the pile body, and the sealing layer is made of sealant or waterproof coating for buildings; the sealant is polyurethane building sealant, silicone sealant or polysulfide sealant; the waterproof coating for the building is modified asphalt waterproof coating, polymer emulsion waterproof coating or silicon rubber waterproof coating.
Through adopting above-mentioned technical scheme, set up the sealing layer and be connected waterproof layer and the waterproof basic unit on the stake body, promote the wholeness of this waterproof construction, be difficult to appear waterproof layer and the waterproof basic unit on the stake body department of meeting take place the problem of infiltration, water-proof effects is better.
Optionally, the position department that reinforcing bar and stake body terminal surface are connected is provided with the stagnant water spare, and the stagnant water spare is for meeting water inflation sealing rod or meeting water inflation sealing glue.
Through adopting above-mentioned technical scheme, after the phenomenon of infiltration appears in the position department that reinforcing bar and stake body meet mutually, the stagnant water piece meets water inflation, and it is better to carry out sealed effect to the position department that reinforcing bar and stake body meet mutually, and the holistic water-proof effects of this pile head water repellent structure is better.
Optionally, a waterproof base layer is also arranged on the reinforcing steel bars, and the concrete base layer, the pile body and the waterproof base layer on the reinforcing steel bars are connected to form a whole.
Through adopting above-mentioned technical scheme, waterproof basic unit on concrete-based layer, stake body and the reinforcing bar forms continuous membranous structure, further promotes water-proof effects, and scribbles waterproof basic unit on the reinforcing bar, reduces the reinforcing bar and takes place the problem of corrosion, plays better guard action to the reinforcing bar.
Optionally, the waterproof base layer is a two-component high-permeability modified epoxy resin.
Through adopting above-mentioned technical scheme, apply paint two ingredient high permeability modified epoxy on concrete base and stake body with a brush, two ingredient high permeability modified epoxy infiltrates in concrete base and the stake body, and form a continuous membranous structure outside it, two ingredient high permeability modified epoxy is exothermic after the sclerosis low, the contractility is little, the adhesion to the concrete is stronger, further promote the fastness that waterproof base and concrete base and stake body bonded, promote the waterproof nature of this pile head waterproof processing structure, and simultaneously, two ingredient high permeability modified epoxy can solidify by oneself under the encapsulated situation, can carry out the construction of waterproof layer under the condition that waterproof base is not completely cured, construction efficiency is improved.
In a second aspect, the present application provides a construction method for a waterproof treatment structure of a pile head, which adopts the following technical scheme:
a construction method of a pile head waterproof treatment structure comprises the following steps:
cleaning a base layer:
cleaning the concrete base layer, the pile body and the surface of the steel bar;
construction of a waterproof base layer:
coating the waterproof paint on the concrete base layer and the pile body for multiple times, wherein the interval between adjacent two coating times is 50-70 minutes, so that the concrete base layer and the pile body reach permeation saturation, and continuous waterproof base layers are reserved on the surfaces of the concrete base layer and the pile body;
and (3) waterproof layer construction:
and constructing a large-area waterproof layer on the surface of the concrete base layer, wherein the waterproof layer extends to the joint position of the pile body and the concrete base layer.
By adopting the technical scheme, in the construction process of the pile head waterproof treatment structure, the waterproof base layer is coated on the concrete base layer and the pile body, the waterproof base layer is coated for multiple times and then paved and pasted with the waterproof layer, so that the construction of the waterproof layer can be carried out under the condition that the waterproof base layer is not completely cured, the working efficiency is improved, compared with cement mortar, the waterproof base layer is not easy to have the problems of sand rise, layering and the like after the construction of the waterproof structure is completed, the stability of the waterproof structure is improved, and the integral waterproof effect is better; waterproof basic unit when realizing better water-proof effects, can play better enhancement, solidification to the stake body.
Optionally, after the waterproof layer construction is completed, the following steps are performed:
and (3) sealing layer construction:
the sealing layer is coated at the position where the waterproof layer is connected with the waterproof base layer on the pile body, the upper end of the part, located on the pile body, of the sealing layer extends to the position of the upper end of the side face of the pile body, and the distance between the outer ring of the part, located on the waterproof layer, of the sealing layer and the pile body is larger than 100 mm.
Through adopting above-mentioned technical scheme, use the sealing layer to be connected waterproof layer and the waterproof basic unit on the stake body for waterproof layer and the waterproof basic unit on the stake body form wholly, promote water-proof effects.
Optionally, in the step of constructing the waterproof base layer, the reinforcing steel bars are also coated with the waterproof base layer.
Through adopting above-mentioned technical scheme, can cross the phenomenon that the groundwater oozes along the reinforcing bar that reduces to appear, reduce the reinforcing bar and take place the problem of corrosion, play better guard action to the reinforcing bar.
Optionally, after the construction of the sealing layer is completed, the following steps are performed:
and (3) installing a water stopping piece:
and a water-swelling water stop strip is fixed at the position where the reinforcing steel bar is connected with the upper end face of the pile body, or water-swelling water stop glue is coated on the position.
Through adopting above-mentioned technical scheme, further promote the water-proof effects to reinforcing bar and the position department that connects mutually of stake body, reduce the problem that the infiltration appears.
Optionally, in the waterproof layer construction process, when the waterproof layer is a coiled material, the waterproof layer is fixed through the viscosity of the waterproof base layer; when the waterproof layer is paint or coating and the coiled material is subjected to composite construction, the coating is directly coated on the semi-dry waterproof base layer.
By adopting the technical scheme, when the waterproof coiled material is paved and pasted through the viscosity of the waterproof base layer, a better auxiliary fixing effect is achieved, the problem of deviation in the paving and pasting process of the waterproof coiled material is reduced, the one-time yield of the whole pile head treatment is improved, and the overall quality of the pile head waterproof treatment structure is better; in addition, when the waterproof layer contains the coating, the coating can be directly coated on the semi-dry waterproof base layer, and the construction efficiency can be improved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the waterproof base layer is made of permeable waterproof materials and penetrates into the concrete base layer and the pile body, so that the waterproof effect is good, the problems of sanding, layering and the like are not easy to occur, a subsequently constructed waterproof layer is bonded on the waterproof base layer more firmly, the problems of falling and the like are not easy to occur, and the integral waterproof effect of the pile head waterproof treatment structure is good;
2. the waterproof base layer is made of the two-component high-permeability modified epoxy resin, so that the pile body can be well reinforced and strengthened on the premise of good waterproofness, in addition, the two-component high-permeability modified epoxy resin can be automatically cured in a closed state, and the subsequent waterproof layer can be constructed in an uncured state of the waterproof base layer, so that the construction efficiency is improved;
3. the waterproof layer is connected with the waterproof base layer on the pile body by arranging the sealing layer, so that the waterproof effect at the joint of the waterproof layer and the waterproof base layer on the pile body is further improved, and the integral waterproof treatment structure of the pile head has better waterproof property;
4. through the stagnant water spare that sets up, reduce the reinforcing bar and meet the problem that the position department takes place to seep water mutually with the stake body, be difficult to appear groundwater along the problem that the reinforcing bar oozes, the modified epoxy of two ingredient high permeability that the cooperation was applied paint with a brush on the reinforcing bar, the reinforcing bar is difficult to appear the problem of corrosion, plays better guard action to the reinforcing bar.
Drawings
Fig. 1 is a schematic view of a pile head waterproofing configuration of an embodiment of the present application;
fig. 2 is an enlarged schematic view of a portion a in fig. 1.
Description of reference numerals: 1. a pile body; 11. reinforcing steel bars; 2. a concrete base layer; 3. a waterproof base layer; 4. a waterproof layer; 5. a sealing layer; 6. a water stop member.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses pile head water repellent structure. Referring to fig. 1 and 2, a pile body 1 is buried underground, a concrete base layer 2 is arranged on the ground, the upper end of the pile body 1 extends to the upper side of the concrete base layer 2, a reinforcing steel bar 11 is arranged in the pile body 1, and the upper end of the reinforcing steel bar 11 penetrates out of the upper side of the upper end face of the pile body 1; the waterproof treatment structure comprises a waterproof base layer 3 which is coated on a concrete base layer 2, a pile body 1 is positioned on the concrete base layer 2 and on a reinforcing steel bar 11 outside the pile body 1, wherein a waterproof layer 4 is arranged on the waterproof base layer 3 on the concrete base layer 2, and the waterproof layer 4 is abutted to the waterproof base layer 3 on the side face of the pile body 1.
Waterproof base layer 3 selects waterproof materials with permeability such as double-component high-permeability modified epoxy resin, CM-DPS deep penetration crystallization sealing waterproof agent and the like, and the double-component high-permeability modified epoxy resin is selected as waterproof base layer 3; the waterproof base layer 3 is coated on the concrete base layer 2, the pile body 1 and the steel bar 11 for multiple times, the interval time between two adjacent coating operations is 50-70 minutes, preferably 1 hour, in the period, the waterproof base layer 3 coated in the previous step gradually permeates into the concrete base layer 2 and the pile body 1, after multiple coating processes, the permeation of the waterproof base layer 3 into the concrete base layer 2 and the pile body 1 is saturated, and the waterproof base layer 3 forms a continuous film-shaped structure on the outer sides of the concrete base layer 2, the pile body 1 and the steel bar 11.
By arranging the two-component high-permeability modified epoxy resin as the waterproof base layer 3, the waterproof base layer 3 permeates into the concrete base layer 2 and the pile body 1 in the construction process, so that the problem of water seepage can be reduced, and meanwhile, the two-component high-permeability modified epoxy resin can play a role in reinforcing and strengthening the concrete base layer 2 and the pile body 1; in addition, the coated waterproof base layer 3 extends to the reinforcing steel bar 11, the problem that underground water flees along the reinforcing steel bar 11 in the follow-up process is solved, a better waterproof and anti-corrosion effect is achieved, and a better protection effect is achieved on the reinforcing steel bar 11.
Waterproof layer 4 is waterproofing membrane or water proof coating or the compound way of using together of waterproof coating and waterproofing membrane, compare in the waterproof basic unit 3 for the condition of cement mortar, the fastness of waterproof layer 4 and two ingredient high penetration modified epoxy bonding is better, in follow-up long-time use, waterproof basic unit 3 is difficult to appear the sand, the layering, break away from scheduling problem, promote the waterproof layer 4's of follow-up construction stability, be difficult to appear the phenomenon that waterproof layer 4 and waterproof basic unit 3 break away from, promote the holistic stability of waterproof processing structure.
Referring to fig. 1 and 2, a sealing layer 5 is arranged at a position where the waterproof layer 4 is connected with the waterproof base layer 3 on the pile body 1, the upper end of the part of the sealing layer 5 on the pile body 1 extends to the position of the upper end edge of the side surface of the pile body 1, the outer peripheral edge of the part of the sealing layer 5 on the waterproof layer 4 extends outwards for at least 100mm, and preferably, the outer peripheral edge of the part of the sealing layer 5 on the waterproof layer 4 extends outwards for a distance of 100mm-150 mm; meanwhile, the thickness of the sealing layer 5 is not less than 2mm, preferably, the thickness of the sealing layer 5 is selected to be 2mm-4 mm; the sealing layer 5 can be selected from various types of building sealants such as modified asphalt waterproof coating or polyurethane building sealant, silicone sealant, polysulfide sealant and the like, wherein the modified asphalt waterproof coating can be selected from various types of building waterproof coating such as water-based material, solvent-based material, hot-melt material and the like; in the construction process, the types of the sealing layer 5 can be adjusted according to specific construction situations, such as: under the condition that the waterproof layer 4 is an asphalt-based waterproof coiled material, the sealing layer 5 can select a modified asphalt waterproof coating; when the waterproof layer 4 is a high-molecular waterproof coiled material, the sealing layer 5 can be selected from modified asphalt waterproof paint or polyurethane building sealant.
Set up the position department that waterproof layer 4 and the waterproof basic unit 3 on the stake body 1 meet with the form of coating of sealing layer 5 and seal, be connected waterproof layer 4 and the waterproof basic unit 3 on the stake body 1, reduce the problem that the position department that the two meets takes place the infiltration for the sealed effect of two kinds of different materials meeting position department is better, promotes sealed effect.
Referring to fig. 1 and 2, a water stop member 6 is arranged at a position where the reinforcing steel bar 11 is connected with the upper end face of the pile body 1, and the position where the reinforcing steel bar 11 is connected with the pile body 1 is sealed by water stop, specifically, the water stop member 6 can select a water-swelling water stop strip or a water-swelling water stop glue, and under the condition that the water-swelling water stop strip is used, the annular water-swelling water stop strip is sleeved on the reinforcing steel bar 11 and slides to the position where the reinforcing steel bar 11 is connected with the pile body 1; under the condition of using the water-swelling waterproof glue, the waterproof glue is directly smeared at the position where the reinforcing steel bar 11 is connected with the pile body 1.
Through the stagnant water spare 6 that sets up, can promote the leakproofness that reinforcing bar 11 and stake body 1 meet the position department, in the long-time use of follow-up, be difficult to appear from the problem that the root position department that reinforcing bar 11 and stake body 1 are connected seeps water, promote the holistic leakproofness of this pile head water repellent structure.
This pile head water repellent structure not only is applicable to the concrete pile, is applicable to the steel pile equally, simultaneously, to the concrete pile, precast pile and cast-in-place pile all adapt to this pile head water repellent structure.
The implementation principle of a pile head water repellent structure of the embodiment of the application is as follows: when carrying out water repellent to pile body 1 and 2 hookup locations of concrete base, at first carry out the construction of waterproof basic unit 3, specifically, apply paint with a brush the high permeability modified epoxy of two ingredient many times, lay waterproof layer 4 on waterproof basic unit 3 on concrete base 2 part, and use sealing layer 5 to seal the position department that waterproof layer 4 and waterproof basic unit 3 on pile body 1 meet, and use stagnant water spare 6 to carry out the stagnant water to the position department that reinforcing bar 11 and pile body 1 meet and seal.
The waterproof base layer 3 is made of the two-component high-permeability modified epoxy resin, the two-component high-permeability modified epoxy resin permeates into the concrete base layer 2 and the pile body 1, and a continuous film structure is formed on the outer sides of the concrete base layer and the pile body 1, so that the waterproof effect is good, compared with the condition that sealing is carried out by using cement mortar, a long-time moisturizing and maintaining process is not needed, the construction period is shortened, the problems of sanding, layering and separation are not easy to occur to the waterproof base layer 3 in the subsequent long-time use process, the stability of a waterproof layer 4 for subsequent construction is improved, the waterproof effect is good, and meanwhile, the waterproof base layer 3 permeates into the pile body 1 and can play a role in reinforcing and curing the pile body 1; and waterproof layer 4 is comparatively firm with bonding of waterproof basic unit 3, is difficult to appear the problem that breaks away from, promotes the holistic water-proof effects of this pile head water repellent structure.
In addition, the sealing layer 5 is arranged, so that the sealing performance of the joint of the waterproof layer 4 and the waterproof base layer 3 on the pile body 1 can be further improved, and the problem of water seepage is reduced; set up position department that stagnant water spare 6 meets reinforcing bar 11 and stake body 1 and carry out the stagnant water sealed, can reduce the problem that the position department that meets of reinforcing bar 11 and stake body takes place the infiltration, further promote the holistic water-proof effects of this pile head water repellent structure.
The embodiment of the application also discloses a construction method of the pile head waterproof treatment structure, which comprises the following steps:
1. cleaning a base layer:
the concrete base layer 2, the pile body 1 and the surface of the reinforcing steel bar 11 are cleaned to keep clean.
2. And (3) constructing a waterproof base layer:
the surfaces of the concrete base layer 2, the pile body 1 and the steel bar 11 are coated with the double-component high-permeability modified epoxy resin in multiple times, in practical operation, the coating can be selectively performed for three times, the interval between two adjacent coating operations is 50-70 minutes, specifically, the coating of the waterproof base layer 3 is performed twice at an interval of one hour, so that the permeation of the waterproof base layer 3 is saturated, and a continuous film-shaped structure is formed outside the concrete base layer 2, the pile body 1 and the steel bar 11.
3. And (3) construction of a waterproof layer 4:
constructing a waterproof layer 4 on the concrete base layer 2, covering the upper side of the waterproof base layer 3 and extending to the position connected with the pile body 1; under the condition that the waterproof layer 4 is a waterproof roll, the waterproof roll can be fixed by using the viscosity of the double-component high-permeability epoxy resin; under the condition that the waterproof coiled material is waterproof paint or the waterproof paint and the waterproof coiled material are constructed in a composite mode, the waterproof paint is directly coated on the surface of the semi-dry two-component high-permeability epoxy resin.
4. And (3) construction of a sealing layer 5:
painting the sealing layer 5 on the position where the waterproof layer 4 is connected with the waterproof base layer 3 on the pile body 1, wherein the part, located on the waterproof base layer 3, of the sealing layer 5 extends to the upper end position of the side wall of the pile body 1, the part, located on the waterproof layer 4, of the sealing layer 5 extends towards the outer side of the pile body 1, the distance between the outer side edge, located on the waterproof layer 4, of the sealing layer 5 and the pile body 1 is 100mm, and the thickness of the sealing layer 5 is not smaller than 2 mm.
5. Installing a water stop part 6:
and (3) sealing the joint of the steel bar 11 and the water-stopping pile by using a water-stopping piece 6.
The implementation principle of the construction method of the pile head waterproof treatment structure in the embodiment of the application is as follows: when the waterproof treatment structure is constructed, the double-component high-permeability modified epoxy resin is used as the waterproof base layer 3, then the waterproof layer 4 is constructed, the waterproof base layer 3 is not prone to sand rise and delamination, the waterproof base layer 3 penetrates into the concrete base layer 2 and the pile body 1, the waterproof effect is good, and the pile body 1 is reinforced; the waterproof layer 4 is paved on the waterproof base layer 3, compared with the waterproof base layer 3 adopting cement mortar, the waterproof layer 4 is bonded more firmly, the problem of separation is not easy to occur, and the waterproof effect is more stable; in the process of carrying out waterproof basic unit 3 construction, two ingredient high permeability modified epoxy can solidify by oneself under the encapsulated situation, need not wait to treat that two ingredient high permeability modified epoxy solidifies completely and can carry out subsequent construction steps promptly for the construction progress improves the efficiency of construction under the prerequisite of the stability of waterproof basic unit 3 that does not influence the construction.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a pile head water repellent structure for meet position department to pile body (1) and concrete foundation (2) and carry out water repellent, reinforcing bar (11) in pile body (1) are worn out to pile body (1) outside, its characterized in that: the waterproof treatment structure comprises a concrete base layer (2) and a waterproof base layer (3) of a pile body (1) positioned on the outer side part of the concrete base layer (2), wherein a waterproof layer (4) is paved on the waterproof base layer (3) on the concrete base layer (2); the waterproof base layer (3) is made of permeable waterproof materials and penetrates into the concrete base layer (2) and the pile body (1).
2. The pile head waterproofing structure according to claim 1, wherein: a sealing layer (5) is arranged at the position where the waterproof layer (4) is connected with the waterproof base layer (3) on the pile body (1), and the sealing layer (5) is made of sealant or waterproof coating for buildings; the sealant is polyurethane building sealant, silicone sealant or polysulfide sealant; the waterproof coating for the building is modified asphalt waterproof coating, polymer emulsion waterproof coating or silicon rubber waterproof coating.
3. The pile head waterproofing structure according to claim 1, wherein: the position department that reinforcing bar (11) and stake body (1) terminal surface are connected is provided with stagnant water spare (6), and stagnant water spare (6) are for meeting water inflation sealing rod or meeting water inflation sealing glue.
4. The pile head waterproofing structure according to claim 1, wherein: also be provided with waterproof basic unit (3) on reinforcing bar (11), and waterproof basic unit (3) on concrete base (2), stake body (1) and reinforcing bar (11) are connected and are formed wholly.
5. The pile head waterproofing structure according to claim 1, wherein: the waterproof base layer (3) is two-component high-permeability modified epoxy resin.
6. A construction method of a pile head waterproof treatment structure is characterized by comprising the following steps:
cleaning a base layer:
cleaning the surfaces of the concrete base layer (2), the pile body (1) and the steel bar (11);
constructing a waterproof base layer (3):
coating waterproof paint on the concrete base layer (2) and the pile body (1) for multiple times, wherein the interval between adjacent two-time coating is 50-70 minutes, so that the concrete base layer (2) and the pile body (1) reach permeation saturation, and the continuous waterproof base layer (3) is left on the surfaces of the concrete base layer (2) and the pile body (1);
constructing a waterproof layer (4):
the construction of a large-area waterproof layer (4) is carried out on the surface of the concrete base layer (2), and the waterproof layer (4) extends to the joint position of the pile body (1) and the concrete base layer (2).
7. The construction method of a pile head waterproofing structure according to claim 6, characterized in that: after the waterproof layer (4) is constructed, the following steps are carried out:
construction of a sealing layer (5):
the waterproof pile is characterized in that a sealing layer (5) is coated at the position where a waterproof layer (4) is connected with a waterproof base layer (3) on a pile body (1), the upper end of the part, located on the pile body (1), of the sealing layer (5) extends to the position of the upper end of the side face of the pile body (1), and the distance between the outer circle of the part, located on the waterproof layer (4), of the sealing layer (5) and the pile body (1) is larger than 100 mm.
8. The construction method of a pile head waterproofing structure according to claim 6, characterized in that: in the construction step of the waterproof base layer (3), the reinforcing steel bars (11) are also coated with the waterproof base layer (3).
9. The construction method of a pile head waterproofing structure according to claim 7, characterized in that: after the construction of the sealing layer (5) is finished, the following steps are carried out:
and (3) installing a water stop piece (6):
and a water-swelling water stop strip is fixed at the joint position of the reinforcing steel bar (11) and the upper end surface of the pile body (1), or water-swelling water stop glue is coated.
10. The construction method of a pile head waterproofing structure according to claim 6, characterized in that: in the construction process of the waterproof layer (4), when the waterproof layer (4) is a coiled material, the waterproof layer (4) is fixed through the viscosity of the waterproof base layer (3); when the waterproof layer (4) is paint or paint and coiled material composite construction, the paint is directly coated on the semi-dry waterproof base layer (3).
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102080390A (en) * | 2010-11-23 | 2011-06-01 | 二十二冶集团第一建设有限公司 | Composite winter construction pile head waterproof construction process |
| CN104975617A (en) * | 2015-07-15 | 2015-10-14 | 郑贤方 | Waterproof construction method of basement foundation cast-in-place pile head |
| CN205975700U (en) * | 2016-05-11 | 2017-02-22 | 中国建筑第八工程局有限公司 | Pile head waterproof construction |
| CN207959291U (en) * | 2017-11-30 | 2018-10-12 | 北京东方雨虹防水技术股份有限公司 | Basement pile crown waterproof sealing structure |
| CN209779703U (en) * | 2018-12-29 | 2019-12-13 | 上海东方雨虹防水技术有限责任公司 | waterproof structure of basement pile head |
-
2021
- 2021-07-02 CN CN202110751411.4A patent/CN113404094A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102080390A (en) * | 2010-11-23 | 2011-06-01 | 二十二冶集团第一建设有限公司 | Composite winter construction pile head waterproof construction process |
| CN104975617A (en) * | 2015-07-15 | 2015-10-14 | 郑贤方 | Waterproof construction method of basement foundation cast-in-place pile head |
| CN205975700U (en) * | 2016-05-11 | 2017-02-22 | 中国建筑第八工程局有限公司 | Pile head waterproof construction |
| CN207959291U (en) * | 2017-11-30 | 2018-10-12 | 北京东方雨虹防水技术股份有限公司 | Basement pile crown waterproof sealing structure |
| CN209779703U (en) * | 2018-12-29 | 2019-12-13 | 上海东方雨虹防水技术有限责任公司 | waterproof structure of basement pile head |
Non-Patent Citations (2)
| Title |
|---|
| 叶林宏: "高渗透改性环氧基层处理剂及其应用", 《中国涂料》 * |
| 叶林宏: "高渗透改性环氧系列材料在工程中的应用", 《防水工程与材料学术论坛论文集》 * |
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