CN218263854U - Continuous closed underground anti-floating anchor rod water-proof treatment structure - Google Patents

Continuous closed underground anti-floating anchor rod water-proof treatment structure Download PDF

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CN218263854U
CN218263854U CN202221560733.7U CN202221560733U CN218263854U CN 218263854 U CN218263854 U CN 218263854U CN 202221560733 U CN202221560733 U CN 202221560733U CN 218263854 U CN218263854 U CN 218263854U
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waterproof coating
coating layer
anchor rod
stock
concrete
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薛春来
贾志军
李娜
胡文兵
于海洋
王利明
卢艳平
梁艳丽
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Beijing Hongyu Construction Engineering Co ltd
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Beijing Hongyu Construction Engineering Co ltd
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Abstract

The utility model relates to a continuous closed underground anti-floating anchor rod water repellent structure, including being beam form stock reinforcing bar, stock concrete, concrete cushion is provided with the pit with stock concrete's juncture, and pit department has set gradually cement base infiltration crystallization type waterproof coating layer, annular steel sheet, non-curing rubber pitch waterproof coating layer one, waterproofing membrane from bottom to top. Through setting up the pit, welding structures such as annular steel sheet on the stock reinforcing bar, adopt cement base infiltration crystallization type waterproof coating, non-curing rubber pitch waterproof coating to bond waterproofing membrane and annular steel sheet, adopt non-curing rubber pitch waterproof coating to seal the way at last, show the sealed effect, the waterproof continuity of improvement anti-floating stock department. Meanwhile, even if settlement, deformation and the like occur in the later stage, water is not easy to leak at the joint position of the structural bottom plate and the anti-floating anchor rod, and the waterproof performance is good.

Description

Continuous closed underground anti-floating anchor rod water-proof treatment structure
Technical Field
The utility model relates to an anti floating anchor rod water repellent structure in continuous closed underground belongs to waterproof technical field.
Background
The anti-floating anchor rod is a common underground structure anti-floating measure in modern underground engineering and is a structural member arranged for preventing the upward displacement of a building structure. The anti-floating anchor rod is designed more in the underground structure of each building, the waterproof treatment is more complicated, and once the waterproof treatment is not in place, leakage points are easily formed to cause later-stage leakage.
The existing consultable specification GB50108-2008 'underground waterproof engineering technical specification' and related 10J301 'underground building waterproof structure' do not relate to a waterproof treatment structure of an anti-floating anchor rod. The method can only refer to the method of pile head node for waterproof treatment, but the actual project field construction waterproof effect is not good, the waterproof continuity and integrity can not be ensured, and leakage is easy to cause.
The 10J301 image set referable pile head waterproof treatment method comprises the steps that a large-surface waterproof layer is drawn to the position within 250mm of the circumference of an anchor rod, and the anchor rod and the circumference within 250mm are coated with cement-based permeable crystallization type waterproof coating.
In the method, the cement-based capillary crystalline waterproof coating can only be used for treating construction joints and cannot play a waterproof role as a large-surface waterproof layer, and once settlement, deformation and the like occur at the later stage, water is easy to leak at the joint position of the structural bottom plate and the anti-floating anchor rod and then seeps into a reinforced concrete structure of the bottom plate.
SUMMERY OF THE UTILITY MODEL
The utility model provides a continuous closed underground anti-floating anchor rod water repellent structure to the not enough of prior art existence, concrete technical scheme as follows:
the utility model provides an anti-floating anchor rod water repellent structure in continuous closed underground, is including being bundle form stock reinforcing bar, the stock concrete that is used for fixed stock reinforcing bar, the concrete bed course that is perpendicular setting with the stock concrete, the concrete bed course is provided with the pit with the juncture of stock concrete, pit department has set gradually cement base infiltration crystalline form waterproof coating layer, annular steel sheet, non-setting rubber asphalt waterproof coating layer one, waterproofing membrane from bottom to top, the central authorities of annular steel sheet are provided with the first through-hole that supplies the stock reinforcing bar to pass through, the full weld is connected between annular steel sheet and the stock reinforcing bar, waterproofing membrane's central authorities are provided with the second through-hole that supplies the stock reinforcing bar to pass through, second through-hole department fills has non-setting rubber asphalt waterproof coating layer two of being connected as an organic whole with non-setting rubber asphalt waterproof coating layer one.
As the improvement of the technical scheme, the edge of the cement-based permeable crystallization type waterproof coating layer extends to the concrete cushion layer, and the non-cured rubber asphalt waterproof coating layer covers the cement-based permeable crystallization type waterproof coating layer.
As above-mentioned technical scheme's improvement, waterproofing membrane's middle part is provided with the sunk structure with pit looks adaptation, waterproofing membrane's border extends to concrete cushion and waterproofing membrane's border and concrete cushion fixed connection.
As the improvement of the technical scheme, the thickness of the cement-based permeable crystallization type waterproof coating layer is 1.0mm.
As the improvement of the technical scheme, the thickness of the non-cured rubber asphalt waterproof coating layer I is not less than 2.0mm.
Continuous closed underground anti-floating anchor rod water repellent structure adopts cement base infiltration crystallization type water proof coating, non-curing rubber pitch water proof coating to bond waterproofing membrane and annular steel sheet through setting up the pit, welding structures such as annular steel sheet on the stock reinforcing bar, adopts non-curing rubber pitch water proof coating to carry out sealed way at last, is showing sealed effect, the waterproof continuity that improves anti-floating anchor rod department. Meanwhile, even if settlement, deformation and the like occur in the later stage, water is not easy to leak at the joint position of the structural bottom plate and the anti-floating anchor rod, and the waterproof performance is good.
Drawings
FIG. 1 is a schematic view of a conventional anti-floating anchor rod before a waterproofing treatment is performed;
fig. 2 is the utility model discloses a continuous closed underground anti-floating anchor rod water repellent structure's schematic structure diagram.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be noted that, unless otherwise specified, "a plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
As shown in fig. 2, the continuous closed underground anti-floating anchor rod waterproof treatment structure includes a bundle-shaped anchor rod reinforcing steel bar 1, anchor rod concrete 3 for fixing the anchor rod reinforcing steel bar 1, and a concrete cushion layer 2 vertically arranged with the anchor rod concrete 3, wherein the anchor rod concrete 3 is formed by concrete for fixing the anchor rod reinforcing steel bar 1; concrete cushion 2 is provided with pit 21 with stock concrete 3's juncture, pit 21 department has set gradually cement base infiltration crystallization type waterproof coating layer 4, annular steel sheet 7, non-curing rubber pitch waterproof coating layer 5, waterproofing membrane 6 from bottom to top, the central authorities of annular steel sheet 7 are provided with the first through-hole that supplies stock reinforcing bar 1 to pass through, full weld is connected between annular steel sheet 7 and the stock reinforcing bar 1, waterproofing membrane 6's central authorities are provided with the second through-hole that supplies stock reinforcing bar 1 to pass through, second through-hole department packing has non-curing rubber pitch waterproof coating layer two 51 as an organic whole with non-curing rubber pitch waterproof coating layer 5 to be connected.
Prior to construction, as shown in fig. 1; the construction operation process of the continuous closed underground anti-floating anchor rod waterproof treatment structure is as follows:
(1) And in the pouring process of the concrete cushion layer 2, when meeting the position of the anchor rod reinforcing steel bar 1 (anti-floating anchor rod), the peripheral circle of the anchor rod reinforcing steel bar is subjected to slope angle wiping transition within the range of 150mm, and the height difference is 50mm.
(2) And the anchor rod concrete 3 is chiseled downwards by 50mm and is flush with the peripheral cushion layer, so that a pit 21 is formed.
(3) And painting the cement-based capillary crystalline waterproof coating with the dosage not less than 1.5kg per square meter, curing to form a cement-based capillary crystalline waterproof coating layer 4 with the thickness of 1.0mm within the range of the anchor bar reinforcement 1 and the peripheral circle of 250mm, painting for three times, and performing spray curing.
(4) And welding an annular steel plate 7 on the anchor rod steel bar 1.
(5) And blade-coating the non-cured rubber asphalt waterproof coating to form a non-cured rubber asphalt waterproof coating layer I5, wherein the thickness of the non-cured rubber asphalt waterproof coating layer I is not less than 2.0mm, and the blade-coating range is the same as the brushing range of the cement-based capillary crystalline waterproof coating layer 4, so that the non-cured rubber asphalt waterproof coating layer I is covered.
(6) Spread and paste waterproofing membrane 6, spread with non-curing rubber pitch waterproof coating layer 5 and paste the bonding, meet anchor rod reinforcing bar 1 department and can't directly spread, the accessible is tailor the second through-hole cover and is passed.
(7) And after the waterproof coiled material 6 is paved, performing crack pouring and sealing on the second through hole by adopting the non-cured rubber asphalt waterproof coating, thereby forming a non-cured rubber asphalt waterproof coating layer II 51.
Example 2
In order to further improve the waterproof effect; the edge of the cement-based permeable crystalline waterproof coating layer 4 extends to the concrete cushion layer 2, and the non-cured rubber asphalt waterproof coating layer 5 covers the cement-based permeable crystalline waterproof coating layer 4. Waterproofing membrane 6's middle part is provided with the sunk structure with pit 21 looks adaptation, waterproofing membrane 6's border extends to concrete cushion 2 and waterproofing membrane 6's border and concrete cushion 2 fixed connection.
In the embodiment, the utility model discloses a do the slope angle at 1 border of stock reinforcing bar, stock concrete picks the chisel and weld the structure way such as annular steel sheet on the stock reinforcing bar, then adopt cement base infiltration crystallization type water proof coating, non-cured rubber pitch water proof coating bonds waterproofing membrane and annular steel sheet, adopt non-cured rubber pitch water proof coating to carry out the way of sealing at last, can greatly improve the sealed effect of anti-floating anchor rod department to and guarantee the waterproof continuity in anti-floating anchor rod department. Meanwhile, when the conditions of settlement, deformation and the like occur in the later period, the method also greatly improves the capability of resisting the damage of the later-period damage to the water resistance, further improves the waterproof capability and reduces the hidden trouble of leakage at the anti-floating anchor rod.
The anchor rod concrete (provided with the concave pit 21) is removed downwards and is transited by a slope angle of the concrete cushion layer, so that the position of the welded annular steel plate on the anchor rod steel bar is not higher than that of a waterproof coiled material laid in the later period, and the anchor rod concrete is positioned at a lower position and is better bonded with the waterproof coiled material.
The method for welding the annular steel plate on the anchor rod steel bar aims to enable the waterproof coiled material to be better continuous at the position of the anchor rod steel bar.
The cement-based capillary crystalline waterproof coating is used as a rigid waterproof material, and the impermeability of a construction joint between an anti-floating anchor rod and a bottom plate structure can be improved.
The non-curing rubber asphalt waterproof coating has certain sealing capacity and creep property, the waterproof coiled material is bonded with the annular steel plate on the anchor rod steel bar and is subjected to final sealing treatment, the sealing capacity can be improved, and meanwhile, the special performance of the waterproof coiled material can resist later settlement and cracking deformation to damage the waterproof continuity.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (5)

1. The utility model provides a continuous closed underground anti-floating anchor rod water repellent structure, is the concrete cushion (2) of perpendicular setting, its characterized in that including being beam form stock reinforcing bar (1), stock concrete (3) that are used for fixed stock reinforcing bar (1), with stock concrete (3): concrete cushion (2) are provided with pit (21) with the juncture of stock concrete (3), pit (21) department has set gradually cement base infiltration crystallization type waterproof coating layer (4), annular steel sheet (7), non-curing rubber pitch waterproof coating layer (5), waterproofing membrane (6) from bottom to top, the central authorities of annular steel sheet (7) are provided with the first through-hole that supplies stock reinforcing bar (1) to pass through, full weld is connected between annular steel sheet (7) and stock reinforcing bar (1), the central authorities of waterproofing membrane (6) are provided with the second through-hole that supplies stock reinforcing bar (1) to pass through, second through-hole department packing has non-curing rubber pitch waterproof coating layer two (51) as an organic whole with non-curing rubber pitch waterproof coating layer (5).
2. The continuous closed underground anti-floating anchor rod waterproof treatment structure according to claim 1, wherein: the concrete cushion (2) is extended to on the border of cement base infiltration crystallization type waterproof coating layer (4), non-curing rubber asphalt waterproof coating layer (5) covers cement base infiltration crystallization type waterproof coating layer (4).
3. The continuous closed underground anti-floating anchor rod waterproof treatment structure according to claim 1, characterized in that: the middle part of waterproofing membrane (6) is provided with the sunk structure with pit (21) looks adaptation, the border of waterproofing membrane (6) extends to concrete cushion (2) and the border and concrete cushion (2) fixed connection of waterproofing membrane (6).
4. The continuous closed underground anti-floating anchor rod waterproof treatment structure according to claim 1, wherein: the thickness of the cement-based permeable crystallization type waterproof coating layer (4) is 1.0mm.
5. The continuous closed underground anti-floating anchor rod waterproof treatment structure according to claim 1, wherein: the thickness of the non-cured rubber asphalt waterproof coating layer I (5) is not less than 2.0mm.
CN202221560733.7U 2022-06-21 2022-06-21 Continuous closed underground anti-floating anchor rod water-proof treatment structure Active CN218263854U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221560733.7U CN218263854U (en) 2022-06-21 2022-06-21 Continuous closed underground anti-floating anchor rod water-proof treatment structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221560733.7U CN218263854U (en) 2022-06-21 2022-06-21 Continuous closed underground anti-floating anchor rod water-proof treatment structure

Publications (1)

Publication Number Publication Date
CN218263854U true CN218263854U (en) 2023-01-10

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Application Number Title Priority Date Filing Date
CN202221560733.7U Active CN218263854U (en) 2022-06-21 2022-06-21 Continuous closed underground anti-floating anchor rod water-proof treatment structure

Country Status (1)

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CN (1) CN218263854U (en)

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