CN210315688U - Basement pile head waterproof device - Google Patents
Basement pile head waterproof device Download PDFInfo
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- CN210315688U CN210315688U CN201921128614.2U CN201921128614U CN210315688U CN 210315688 U CN210315688 U CN 210315688U CN 201921128614 U CN201921128614 U CN 201921128614U CN 210315688 U CN210315688 U CN 210315688U
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Abstract
本实用新型公开了一种地下室桩头防水装置，属于建筑防水设备技术领域，其技术方案要点是包括设在地基上的桩基，桩基上铺设有混凝土垫层，混凝土垫层铺设成凹槽型，混凝土垫层与桩基的外周围接触，桩基的顶面与桩基的侧壁的交界处呈圆角状结构，桩基内部设有支撑桩基的支撑钢筋，桩基的桩头和侧壁上均铺设有防水涂料层，防水涂料层上铺设有第一防水层，第一防水层上铺设有抗渗钢筋混凝土主体底板层，混凝土垫层上铺设有覆盖混凝土垫层的第二防水层，第二防水层和抗渗钢筋混凝土主体底板层的接缝处填充有密封胶，达到提高地下室桩头处防水的效果。
The utility model discloses a basement pile head waterproofing device, which belongs to the technical field of construction waterproofing equipment. The concrete cushion is in contact with the outer periphery of the pile foundation. The junction between the top surface of the pile foundation and the side wall of the pile foundation is in a rounded structure. A waterproof coating layer is laid on the waterproof coating layer, a first waterproof layer is laid on the waterproof coating layer, an impermeable reinforced concrete main floor layer is laid on the first waterproof layer, and a second layer covering the concrete pad is laid on the concrete cushion layer. The joints between the waterproof layer, the second waterproof layer and the impermeable reinforced concrete main floor layer are filled with sealant, so as to improve the waterproof effect of the pile head in the basement.
Description
Technical Field
The utility model relates to a building waterproofing equipment field, in particular to basement pile head watertight fittings.
Background
The building waterproof effect is an important factor influencing the building quality and the service life thereof, and is also a key point which is very concerned when people use the building, in particular to the building basement waterproof technology.
The main part of the basement waterproof structure is basement pile head waterproofing, and because the pile head and the bottom plate are not poured simultaneously, concrete construction joints exist at the periphery of the pile head, the connection part of the pile top and the concrete bottom plate, and gaps are generated between concrete shrinkage and the pile head. And a gap exists between the pile head and the concrete bottom plate, so that the groundwater easily seeps upwards from the gap between the pile head and the concrete bottom plate, and the quality and the service life of the building are seriously influenced. Therefore, the pile head is a waterproof weak link and is the most easily-leaked key point.
At present, the waterproof structure of the pile head mainly refers to the method of 'underground building waterproof structure' (10J301) drawing and gathering the 83 th page of node, the waterproof coiled material of the structural bottom plate penetrates through the pile head, and the pile body is provided with longitudinal steel bars to be anchored into the structural bottom plate, so that the waterproof coiled material is difficult to penetrate through the pile head to be laid in the actual construction process, the waterproof effect cannot be guaranteed, and the pile head often becomes a water seepage point.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a basement pile head watertight fittings reaches and improves the waterproof effect of basement pile head department.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a basement pile head watertight fittings, including establishing the pile foundation on the ground, the pile foundation upper berth is equipped with the concrete cushion, the concrete cushion is laid into the recess type, the outer peripheral contact of concrete cushion and pile foundation, the top surface of pile foundation is fillet column structure with the juncture of the lateral wall of pile foundation, the inside brace rod that supports the pile foundation that is equipped with of pile foundation, waterproof coating layer has all been laid on the pile head of pile foundation and the lateral wall, waterproof coating layer upper berth is equipped with first waterproof layer, first waterproof layer upper berth is equipped with impervious reinforced concrete main part bottom plate layer, the second waterproof layer that covers the concrete cushion has been laid on the concrete cushion, the seam crossing of second waterproof layer and impervious reinforced concrete main part bottom plate layer has filled sealed glue.
By adopting the technical scheme, the joint of the top surface of the pile foundation and the side wall of the pile foundation is in a round angle shape, when the waterproof coating layer is laid on the pile head and the side wall of the pile foundation, cracks can be prevented from appearing at the corner of the joint of the waterproof coating layer, the waterproof effect of the waterproof coating layer is improved, and the first waterproof layer and the impervious reinforced concrete main body bottom plate layer are laid on the waterproof coating layer, so that the waterproof performance is further enhanced. The joints of the second waterproof layer and the impervious reinforced concrete main body bottom plate layer are sealed through sealant, so that underground water is further prevented from seeping upwards, and the waterproof performance of the basement pile foundation is improved.
The utility model discloses further set up to, the top surface of pile foundation and the first water inflation sealing rod of the position fixedly connected with of the contact of holding reinforcement, the first water inflation sealing rod of meeting water and the top surface butt of pile foundation.
By adopting the technical scheme, the first water-swelling water stop rod generates 2-3 times of swelling deformation after meeting water, is full of all irregular surfaces, cavities and gaps of the joint, generates huge contact pressure and reduces leakage. Be equipped with first chance water inflation sealing rod in pile foundation and support reinforcement's contact position department and can reduce moisture along the top surface of support reinforcement seepage to the pile foundation to improve water-proof effects.
The utility model further provides that the supporting reinforcement is located the inside outer peripheral face upper berth of pile foundation and is equipped with the super absorbent resin who fills the gap between supporting reinforcement and the pile foundation.
Through adopting above-mentioned technical scheme, super absorbent resin can absorb several hundred times to thousand times of self weight's moisture, and is nontoxic, harmless, pollution-free, and the water-absorbing capacity is strong, can fall the moisture absorption that permeates into the pile foundation, delays the speed that the moisture in the pile foundation upwards extends along the brace steel, further protects the pile foundation.
The utility model discloses further set up to, be equipped with the connecting reinforcement between pile foundation and the concrete cushion, the contact position fixedly connected with second of connecting reinforcement and pile foundation lateral wall meets water inflation sealing rod, and the second meets water inflation sealing rod and pile foundation lateral wall butt.
Through adopting above-mentioned technical scheme, increase the joint strength of pile foundation and concrete cushion through the connecting reinforcement between pile foundation and the concrete cushion, set up the second and meet water inflation sealing rod between connecting reinforcement and pile foundation, prevent that under water from inside the junction infiltration pile foundation of connecting reinforcement and pile foundation to reduce moisture and cause the influence to the pile foundation because of the seepage.
This utility further sets up to, waterproof coating layer is cement base infiltration crystallization type waterproof coating layer.
By adopting the technical scheme, the cement-based capillary crystalline waterproof coating layer contains active substances, and once the active substances are in contact with water, the active substances can continuously generate chemical reaction with calcium ions in concrete, generated crystals continuously grow, fill capillary pores in the concrete and are combined with the concrete into a whole to block the capillary pores in the concrete, so that the concrete is compact, water leakage is prevented, and a waterproof effect is achieved.
The utility model discloses further set up to, the lateral wall of pile foundation is the circular arc reentrant corner that the radius is 50mm with the handing-over department of concrete cushion.
Through adopting above-mentioned technical scheme, when waterproof coating layer and first waterproof layer were laid in the lateral wall of pile foundation and concrete cushion circular arc reentrant corner department, can make waterproof coating layer and first waterproof layer lay more slick and sly, prevent that waterproof coating layer and first waterproof layer from appearing the crack in reentrant corner department to improve water-proof effects.
The utility model further provides that the first waterproof layer is the first waterproof layer of polymer cement mortar material.
By adopting the technical scheme, the bonding strength of the polymer cement mortar is high, and the polymer cement mortar can be used as a bonding agent between the second waterproof layer and the waterproof coating layer, so that the second waterproof layer is firmly bonded with the waterproof coating layer, and the influence of underground water on the pile foundation due to leakage from gaps of the second waterproof layer and the waterproof coating layer is reduced.
The utility model is further arranged in that the second waterproof layer is a second waterproof layer of impervious reinforced concrete material.
By adopting the technical scheme, the second waterproof layer made of the anti-seepage reinforced concrete material has a certain anti-seepage effect, and the waterproof effect of the pile foundation is further improved. Simultaneously, the second waterproof layer adopts impervious reinforced concrete material can consolidate the intensity of pile foundation underground waterproof structure, plays the effect of buffering to reduce pile head waterproof construction and produce the crack when receiving vibrations, increase the practicality, improve water-proof effects.
This utility further sets up to, sealed glue is sealed glue for the one-component polyurethane.
By adopting the technical scheme, the single-component polyurethane sealant has two functions of bonding and sealing, the sealant is arranged at the joint of the second waterproof layer and the anti-seepage reinforced concrete main body bottom plate layer, the second waterproof layer and the anti-seepage reinforced concrete main body bottom plate layer can be bonded and the bonded part is sealed, the underground water can be prevented from seeping from the joint, and meanwhile, the single-component polyurethane sealant is nontoxic, harmless and pollution-free after being completely cured.
To sum up, the utility model discloses following beneficial effect has:
1. in addition, the waterproof coating layer, the first waterproof layer and the impervious reinforced concrete main body bottom plate layer are sequentially laid on the top and the side wall of the pile foundation, so that the waterproof effect of the pile head is greatly improved, the seam between the second waterproof layer and the impervious reinforced concrete main body bottom plate layer is sealed through sealant, underground water is further prevented from seeping upwards, and the waterproof performance of the basement pile foundation is improved;
2. when the waterproof coating layer and the first waterproof layer are laid on the side wall of the pile foundation and the arc internal corner of the concrete cushion layer, the waterproof coating layer and the first waterproof layer can be smoothly laid, and cracks are prevented from occurring at the internal corner of the waterproof coating layer and the first waterproof layer, so that the waterproof effect is improved;
3. the super absorbent resin is arranged between the outer peripheral surface of the supporting steel bar inside the pile foundation and the pile foundation, so that moisture permeating into the pile foundation can be absorbed, the upward spreading speed of the moisture in the pile foundation along the supporting steel bar is delayed, and the pile foundation is further protected.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a partial structural schematic view for clearly showing a waterproof coating layer and a first waterproof coating layer;
FIG. 3 is an enlarged fragmentary view at A in FIG. 2 for the purpose of clearly showing the sealant;
fig. 4 is an enlarged partial schematic view at B in fig. 2, intended to clearly show the first water-swellable seal.
Reference numerals: 1. a pile foundation; 11. supporting the reinforcing steel bars; 111. a first water-swellable seal; 112. a super absorbent resin; 12. connecting reinforcing steel bars; 121. a second water-swelling water stop strip; 2. a concrete cushion; 3. a waterproof coating layer; 4. a first waterproof layer; 5. a second waterproof layer; 6. a impervious reinforced concrete main body floor layer; 7. sealing glue; 8. and (5) foundation construction.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The utility model provides a basement pile head watertight fittings, as shown in figure 1, is equipped with concrete cushion 2 including establishing pile foundation 1 on ground 8 on the ground 8 upper berth, and concrete cushion 2 lays into groove-shaped structure, concrete cushion 2 and pile foundation 1's outer peripheral face butt. Be provided with horizontally connecting reinforcement 12 between pile foundation 1 and the concrete cushion 2, pile foundation 1's inside is equipped with the brace steel 11 that is used for supporting pile foundation 1, and pile foundation 1's top is stretched out on the top of brace steel 11. Supporting reinforcement 11 supports pile foundation 1, prevents pile foundation 1 fracture to lay concrete cushion 2 on foundation 8, and with the outer peripheral face butt of pile foundation 1, increase pile foundation 1's firm, further increase pile foundation 1 and concrete cushion 2's joint strength and fastness through connecting reinforcement 12.
As shown in fig. 2, the junction between the top surface and the side wall of the pile foundation 1 is in a round angle structure. The connecting part of the side wall of the pile foundation 1 and the concrete cushion layer 2 is an arc internal corner with the radius of 50 mm. Waterproof coating layer 3 is laid on the top of pile foundation 1 and the lateral wall upper berth of pile foundation 1, and waterproof coating layer 3 is cement base infiltration crystallization type waterproof coating layer 3, and it is 1.0mm to lay thickness. Waterproof coating layer 3 is the type of falling U column structure, and waterproof coating layer 3's bottom is to keeping away from one side level extension of pile foundation 1 outer peripheral face, and waterproof coating layer 3's extension and concrete cushion 2 overlap joint. A first waterproof layer 4 is laid on the outer side of the waterproof coating layer 3, and the first waterproof layer 4 is a 1:2.5 polymer cement mortar first waterproof layer 4. First waterproof layer 4 is the structure of type of falling U, and first waterproof layer 4's bottom extends to the one side of keeping away from pile foundation 1 outer peripheral face, and the length that first waterproof layer 4 extends is greater than the length that waterproof coating layer 3 extends. The part of the first waterproof layer 4 beyond the waterproof paint layer 3 is lapped with the concrete cushion layer 2.
As shown in fig. 2, a further waterproof impervious reinforced concrete main body floor layer 6 is laid on the first waterproof layer 4, and the impervious reinforced concrete main body floor layer 6 is of an inverted U-shaped structure and is sleeved on the pile foundation 1. A second waterproof layer 5 covering the concrete cushion layer 2 is laid on the concrete cushion layer 2, and the second waterproof layer 5 is made of impervious reinforced concrete waterproof materials. Referring to fig. 3, a sealant 7 is filled at a joint between the second waterproof layer 5 and the impermeable reinforced concrete main body bottom plate layer 6, the sealant 7 is a one-component polyurethane sealant 7, and the sealant 7 is bonded to a joint between the second waterproof layer 5 and the impermeable reinforced concrete main body bottom plate layer 6.
When laying waterproof coating layer 3 and first waterproof layer 4, because the top surface of pile foundation 1 is the fillet form with the juncture of lateral wall, the lateral wall of pile foundation 1 is the circular arc reentrant corner with concrete cushion 2's junction, then is difficult for appearing the crack, improves water-proof effects. The bottom of first waterproof layer 4 and waterproof coating layer 3's bottom all extends to the one side of keeping away from pile foundation 1, further increases water-proof effects. Add on first waterproof layer 4 and establish impervious reinforced concrete main part bottom plate layer 6 to lay the second waterproof layer 5 that covers concrete cushion 2 on concrete cushion 2, not only improve the water-proof effects of pile foundation 1 position, improve the peripheral water-proof effects of pile foundation 1 simultaneously.
With reference to fig. 2 and 4, a first water-swelling sealing rod 111 is fixedly connected to the joint of the top surface of the pile foundation 1 and the support steel bar 11, the first water-swelling sealing rod 111 is circular and sleeved on the outer peripheral surface of the support steel bar 11, and the bottom surface of the first water-swelling sealing rod 111 abuts against the top surface of the first waterproof layer 4. The super absorbent resin 112 is laid on the outer circumferential surface of the support bar 11 located inside the pile foundation 1 to fill the gap between the connection bar 12 and the pile foundation 1. The contact position of connecting reinforcement 12 and pile foundation 1 lateral wall is provided with second chance water inflation sealing rod 121, and second chance water inflation sealing rod 121 is the ring form to the cover is established on the outer peripheral face of connecting reinforcement 12 and is connected with connecting reinforcement 12 fixed connection. The second water-swelling seal 121 abuts against the outer peripheral surface of the pile foundation 1.
When groundwater permeates the contact position of connecting reinforcement 12 and pile foundation 1 along connecting reinforcement 12, the second chance water inflation sealing rod 121 inflation is full of the irregular surface, the cavity and the clearance of seam, reduces the moisture of infiltration pile foundation 1 in. When water seeping into the pile foundation 1 seeps upward, the super absorbent resin 112 absorbs water, delays the upward spreading speed of the water along the support bars 11, and further protects the pile foundation 1.
The utility model discloses a use as follows:
firstly, when the pile foundation 1 is poured, the super absorbent resin 112 is paved around the supporting steel bar 11 in the pile foundation 1, then the pile foundation 1 is poured, and the second water-swelling water stop strip 121 is fixedly connected at the connecting position of the connecting steel bar 12 and the side wall of the pile foundation 1; then, paving a concrete cushion layer 2 on one side of the foundation 8 to increase the firmness of the pile foundation 1; after cleaning the pile head of the pile foundation 1, laying a waterproof coating layer 3 with the thickness of 1.0mm on the top and the outer wall of the pile foundation 1, laying a first waterproof layer 4 on the waterproof coating layer 3, fixedly connecting a first water-swelling water stop strip 111 at the joint of the top surface of the pile foundation 1 and the support steel bar 11, and laying an impervious reinforced concrete main body bottom plate layer 6 on the first waterproof layer 4; then, a second waterproof layer 5 made of impervious reinforced concrete waterproof materials and covering the concrete cushion layer 2 is laid on the concrete cushion layer 2; and finally, coating a single-component polyurethane sealant 7 at the joint of the second waterproof layer 5 and the impermeable reinforced concrete main body bottom plate layer.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921128614.2U CN210315688U (en) | 2019-07-18 | 2019-07-18 | Basement pile head waterproof device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921128614.2U CN210315688U (en) | 2019-07-18 | 2019-07-18 | Basement pile head waterproof device |
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| Publication Number | Publication Date |
|---|---|
| CN210315688U true CN210315688U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921128614.2U Expired - Fee Related CN210315688U (en) | 2019-07-18 | 2019-07-18 | Basement pile head waterproof device |
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| CN (1) | CN210315688U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119352578A (en) * | 2024-11-12 | 2025-01-24 | 科顺建筑修缮技术有限公司 | A pile head waterproof structure and a pile head waterproof construction method |
-
2019
- 2019-07-18 CN CN201921128614.2U patent/CN210315688U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119352578A (en) * | 2024-11-12 | 2025-01-24 | 科顺建筑修缮技术有限公司 | A pile head waterproof structure and a pile head waterproof construction method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200414 |