CN212926053U - Anti-pulling and pile-pressing pile head waterproof node anchored in structure - Google Patents
Anti-pulling and pile-pressing pile head waterproof node anchored in structure Download PDFInfo
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- CN212926053U CN212926053U CN202021402324.5U CN202021402324U CN212926053U CN 212926053 U CN212926053 U CN 212926053U CN 202021402324 U CN202021402324 U CN 202021402324U CN 212926053 U CN212926053 U CN 212926053U
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Abstract
The utility model provides an anti-drawing of anchor in structure, stake head waterproof node, the stake head is the reinforced concrete pile head that is located the reinforced concrete bottom plate, the reinforcing bar outwards extends to in the reinforced concrete bottom plate in the reinforced concrete pile head to be the type of falling eight and lean out, fine aggregate concrete protective layer, modified asphalt waterproofing membrane, polymer cement mortar screed-coat and concrete cushion have been laid in order to reinforced concrete bottom plate bottom surface top-down, cement base infiltration crystallization waterproof layer and polymer modified rubber pitch have been laid in order from bottom to top in reinforced concrete pile head top. Polymer modified rubber asphalt and modified asphalt waterproofing membrane are flexible material and can subside according to the bottom plate and warp and extend, and more effectual formation whole waterproof layer between bottom plate and pile head, bottom plate and reinforcing bar combines the construction simply, has reduced the required man-hour of personnel on the construction process at to a great extent, has reduced personnel's expense.
Description
Technical Field
The utility model relates to a construction field specifically belongs to an anchor resistance to plucking in structure, pile-driving head waterproof node.
Background
With the continuous development of construction technology, the quantity of building structure entities is increasing day by day, and people put higher demands on building safety. In order to ensure the safety of the building structure, a solid foundation needs to be firstly made, so that various foundation treatment modes can be carried out at the same time, and various foundation forms can be born successively. In order to resist the buoyancy generated by a higher underground water level to a building and the pressure of a huge building load to a foundation, the application of anti-floating anchor rods and various pile foundations is more and more common. The uplift pile and the compression pile are widely applied to various projects due to the excellent cooperative working performance of the uplift pile and the compression pile.
Meanwhile, uplift piles, compression piles and anchoring reinforcing steel bars anchored in the structure destroy the waterproof integrity of the traditional bottom plate coiled material, and increase the hidden danger of leakage. Meanwhile, the building deforms along with the continuous construction of an upper structure, the rising of underground water level, the falling of temperature and other reasons, the existing waterproof method of the node area is rigid waterproof, and the synchronous deformation with the structure is difficult to realize after the waterproof method is condensed and hardened, so that the pile head node becomes the weak point of the waterproof bottom plate. The floor is often subjected to secondary grouting after the construction of the structure is completed, but the method can temporarily restrain the leakage part but is difficult to completely solve the leakage problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an anti-pulling of anchor in structure, pile head waterproof node presses solves the waterproof wholeness of prior art pile head poor, and the construction is complicated, and the waterproof layer quality is difficult to the technical problem who guarantees.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an anti-drawing of anchor in structure, the waterproof node of pile head of pressure pile, the reinforced concrete pile head of pile head for being located the reinforced concrete bottom plate, the reinforcing bar outwards extends in the reinforced concrete bottom plate in the reinforced concrete pile head to be the eight style of calligraphy of falling and lean out its characterized in that: the concrete bottom plate bottom surface has laid fine aggregate concrete protective layer, modified asphalt waterproofing membrane, polymer cement mortar screed-coat and concrete cushion in order from top to bottom, reinforced concrete pile head top has laid cement base infiltration crystallization waterproof layer and polymer modified rubber asphalt in order from bottom to top, cement base infiltration crystallization waterproof layer downwardly extends to on the polymer cement mortar screed-coat top surface, modified asphalt waterproofing membrane extends to on the cement base infiltration crystallization waterproof layer of reinforced concrete pile head side, polymer modified rubber asphalt downwardly extends to the modified asphalt waterproofing membrane that is located reinforced concrete pile head side.
Further preferably, the width of the cement-based permeable crystalline waterproof layer positioned on the top surface of the polymer cement mortar leveling layer is 500-600 mm.
Further, the fine aggregate concrete protective layer is a C20 fine aggregate concrete protective layer with the thickness of 50-60 mm.
Further, the polymer modified rubber asphalt has a thickness of not less than 10 mm.
Further, the modified asphalt waterproof coiled material is a 4+3 thick SBS II-type modified asphalt waterproof coiled material.
In addition, the polymer cement mortar leveling layer is 20-25 mm thick.
More preferably, the concrete pad is a 100mm thick C15 concrete pad.
Compared with the prior art the utility model has the following characteristics and beneficial effect:
the utility model discloses the pile head adopts the polymer modified rubber pitch of liquid construction, easily is under construction, has self-healing nature, from hydrophobic characteristic after the hardening of condensing, can restrain the migration of moisture under the waterproof layer, has good adaptability to irregular base face, compares with the waterproof material of other kinds and has thickness adjustable advantage, and can use at the subzero temperature winter, does not need the maintenance, has thermoplasticity and so on, satisfies bottom plate pile head position waterproof temperature low, the anomalous demand of base face.
The rubber molecules in the polymer modified rubber asphalt absorb oil in the asphalt and expand, so that a modified asphalt material which is stable all the time and has rubber-like elasticity and thermoplasticity can be generated, the modified asphalt material has better bonding property with a modified asphalt waterproof coiled material which is also modified asphalt, and can be tightly combined into a whole. Thirdly, polymer modified rubber asphalt and modified asphalt waterproofing membrane are flexible materials and can be expanded according to the settlement deformation of the bottom plate, more effectively form the whole waterproof layer between the bottom plate and the pile head, the bottom plate and the reinforcing steel bar, the combination construction of the two is simple, the man-hour required by personnel on the construction process is reduced to a great extent, the personnel cost is reduced, the construction site constraint condition is small, the operation is simple and convenient, the safety is realized, no waste material is generated, the operation is green and environment-friendly, the concrete waterproof joint is suitable for concrete waterproof engineering, particularly, the concrete with obvious water leakage hidden danger exists, the concrete waterproof joint can be widely applied to the pulling resistance of anchoring in the structure, the pile head waterproof joint is pressed and the construction thereof, the popularization and the practical value are good, and good economic benefit can be generated.
Drawings
Fig. 1 is the utility model relates to a structure schematic diagram of the anti-pulling, pile-pressing head waterproof node of anchoring in the structure.
Reference numerals: 1-a reinforced concrete floor; 2-reinforced concrete pile head; 3-fine stone concrete protective layer; 4-modified asphalt waterproof coiled material; 5-polymer cement mortar leveling layer; 6-concrete cushion; 7-a cement-based permeable crystalline waterproof layer; 8-polymer modified rubber asphalt; 9-reinforcing steel bars.
Detailed Description
In order to make the technical means, innovative features, objectives and functions realized by the present invention easy to understand, the present invention will be further described below.
The embodiments described herein are specific embodiments of the present invention, and are intended to be illustrative of the concepts of the present invention, which are intended to be illustrative and exemplary, and should not be construed as limiting the scope of the embodiments of the present invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.
A pulling-resistant pile head waterproof node anchored in a structure is characterized in that a pile head is a reinforced concrete pile head 2 located in a reinforced concrete bottom plate 1, reinforcing steel bars 9 in the reinforced concrete pile head 2 extend outwards into the reinforced concrete bottom plate 1 and incline outwards in an inverted V shape, as shown in figure 1, a fine stone concrete protective layer 3, a modified asphalt waterproof coiled material 4, a polymer cement mortar leveling layer 5 and a concrete cushion layer 6 are sequentially laid on the bottom surface of the reinforced concrete bottom plate 1 from top to bottom, a cement-based permeable crystalline waterproof layer 7 and a polymer modified rubber asphalt 8 are sequentially laid on the top of the reinforced concrete pile head 2 from bottom to top, the cement-based permeable crystalline waterproof layer 7 extends to the top surface of the polymer cement mortar leveling layer 5, the modified asphalt waterproof coiled material 4 extends to the cement-based permeable crystalline waterproof layer 7 on the side surface of the reinforced concrete pile head 2, and the polymer modified rubber asphalt 8 extends to the modified asphalt waterproof coiled material 4 on the side surface of the reinforced concrete pile head 2 That is, the overlap joint position of polymer modified rubber asphalt 8 and modified asphalt waterproofing membrane 4 is on reinforced concrete pile head 2 lateral wall, the cement base infiltration crystallization waterproof layer 7 that is located on 5 top surfaces of polymer cement mortar screed-coat is wide 500~600mm, fine aggregate concrete protective layer 3 adopts the C20 fine aggregate concrete protective layer of thickness 50~60mm, polymer modified rubber asphalt 8 thickness is not less than 10mm, can set up thickness as required, modified asphalt waterproofing membrane 4 is 4mm +3mm thick SBS II type modified asphalt waterproofing membrane, 5 thick 20~25mm of polymer cement mortar screed-coat, concrete cushion 6 is the concrete cushion of 100mm thick C15.
The concrete construction method is as follows:
firstly, picking and chiseling the top of a pile head of an anti-pulling and pile-pressing pile to a designed elevation and preliminarily cleaning the pile head;
adjusting the steel bars 9 which are leaked from the pile head of the pile pulling and pressing and anchored in the reinforced concrete bottom plate 1;
step three, constructing a waterproof base layer (namely the concrete cushion 6);
after the strength of the waterproof base layer (namely the concrete cushion 6) meets the requirement, performing base layer treatment (repairing defects such as honeycombs, pitted surfaces, holes and the like), trimming the pile head and the internal corner of the base layer into an arc with the diameter of 50mm, and thoroughly cleaning the polluted reinforced concrete pile head 2 in the process of constructing the waterproof base layer (namely the concrete cushion 6);
step five, coating the cement-based permeable crystalline waterproof layer 7 on the cushion layer in a ring which is expanded by 500mm outwards by taking the pile head as the center and the whole pile head surface range in two times, and specifically comprises the following steps:
the waterproof coating is prepared from the following components in percentage by weight: water 5: 2 (volume ratio), pouring the powder and water into a container, stirring for 3-5 min, and uniformly mixing. The primary pulping is not required to be excessive and needs to be finished within 20min, the mixture needs to be frequently stirred when becoming thick, and water and materials cannot be added in the middle.
Coating for the first time: when the paint is brushed, a semi-hard nylon brush is needed, and a trowel, a roller, a paint brush and the like are not suitable; when in brushing, the coating is forcibly brushed in an arc shape back and forth so as to ensure that the concave-convex parts can be coated and the slurry is fully kneaded into the rough surface of the concrete. The coating is required to be uniform and should not be too thin or too thick, and is controlled within unit dosage.
Coating for the second time: and after the last coating is finally solidified for 6-12 hours, the coating is still in a wet state, and if the first coating is too dry, mist water is sprayed firstly, and then the synergist is coated.
Step six, the base layer needs to be solid and flat, the strength grade of the base layer needs to meet the design requirement, the surface needs to be clean and dry, when the water content is not more than 9%, the modified asphalt waterproof coiled material 4 is paved and pasted in two layers by adopting a hot melting method, and when the first layer of modified asphalt waterproof coiled material 4 is paved and pasted, the point-bonding method is adopted for construction; the second layer of modified asphalt waterproof coiled material 4 needs to be constructed by adopting a large-area hot melting full-adhesion method when being paved;
and seventhly, coating the whole surface of the top surface and the side surface of the pile head with the polymer modified rubber asphalt 8 (namely the hot construction rubber asphalt) in the liquid state for 2-3 times, adding a layer of spun-bonded polyester reinforced fabric in the middle to wrap the whole pile head and a waterproof coiled material into a whole, wherein the thickness of any point of the vertical surface and the horizontal surface of the polymer modified rubber asphalt 8 is not less than 10mm, the polymer modified rubber asphalt 8 is flexibly connected with the reinforcing steel bars 9 which are leaked out of the pile head and anchored in the reinforced concrete bottom plate 1 and is more tightly combined with the reinforcing steel bars 9, the polymer modified rubber asphalt 8 and the modified asphalt waterproof coiled material 4 are made of flexible materials and can be extended according to the settlement deformation of the bottom plate, and an integral waterproof layer is more effectively formed between the bottom plate and the.
And step eight, after the polymer modified rubber asphalt 8 is solidified and hardened, constructing a waterproof protective layer (namely the fine aggregate concrete protective layer 3).
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides an anchor resistance to plucking in structure, the waterproof node of pile head of pressure pile, the pile head is for being located reinforced concrete pile head (2) in reinforced concrete bottom plate (1), reinforcing bar (9) outwards extend to in reinforced concrete bottom plate (1) in reinforced concrete pile head (2) to be the eight style of calligraphy of falling and lean out its characterized in that: fine aggregate concrete protective layer (3), modified asphalt waterproofing membrane (4), polymer cement mortar screed-coat (5) and concrete cushion (6) have been laid in order to reinforced concrete bottom plate (1) bottom surface top-down, cement base infiltration crystallization waterproof layer (7) and polymer modified rubber asphalt (8) have been laid in order from bottom to top in reinforced concrete pile head (2) top, cement base infiltration crystallization waterproof layer (7) downwardly extending to polymer cement mortar screed-coat (5) top surface on, modified asphalt waterproofing membrane (4) are gone up and are extended to on cement base infiltration crystallization waterproof layer (7) of reinforced concrete pile head (2) side, polymer modified rubber asphalt (8) downwardly extending to be located on modified asphalt waterproofing membrane (4) of reinforced concrete pile head (2) side.
2. A structurally anchored uplift-resistant, pile-head waterproof node as claimed in claim 1, wherein: and the cement-based permeable crystalline waterproof layer (7) positioned on the top surface of the polymer cement mortar leveling layer (5) is 500-600 mm wide.
3. A structurally anchored uplift-resistant, pile-head waterproof node as claimed in claim 1, wherein: the fine aggregate concrete protective layer (3) is a C20 fine aggregate concrete protective layer with the thickness of 50-60 mm.
4. A structurally anchored uplift-resistant, pile-head waterproof node as claimed in claim 1, wherein: the thickness of the polymer modified rubber asphalt (8) is not less than 10 mm.
5. A structurally anchored uplift-resistant, pile-head waterproof node as claimed in claim 1, wherein: the modified asphalt waterproof coiled material (4) is a SBS II type modified asphalt waterproof coiled material with the thickness of 4+ 3.
6. A structurally anchored uplift-resistant, pile-head waterproof node as claimed in claim 1, wherein: the polymer cement mortar leveling layer (5) is 20-25 mm thick.
7. A structurally anchored uplift-resistant, pile-head waterproof joint as claimed in any one of claims 1 to 6, wherein: the concrete cushion (6) is a C15 concrete cushion with the thickness of 100 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021402324.5U CN212926053U (en) | 2020-07-16 | 2020-07-16 | Anti-pulling and pile-pressing pile head waterproof node anchored in structure |
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| CN202021402324.5U CN212926053U (en) | 2020-07-16 | 2020-07-16 | Anti-pulling and pile-pressing pile head waterproof node anchored in structure |
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| CN212926053U true CN212926053U (en) | 2021-04-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114960726A (en) * | 2022-05-05 | 2022-08-30 | 青海黄河上游水电开发有限责任公司 | Be suitable for device that SBS modified asphalt of PHC pile foundation resisted to freeze and pull out |
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2020
- 2020-07-16 CN CN202021402324.5U patent/CN212926053U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114960726A (en) * | 2022-05-05 | 2022-08-30 | 青海黄河上游水电开发有限责任公司 | Be suitable for device that SBS modified asphalt of PHC pile foundation resisted to freeze and pull out |
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