CN220013659U - Waterproof node structure of anti-floating anchor rod - Google Patents
Waterproof node structure of anti-floating anchor rod Download PDFInfo
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- CN220013659U CN220013659U CN202321477124.XU CN202321477124U CN220013659U CN 220013659 U CN220013659 U CN 220013659U CN 202321477124 U CN202321477124 U CN 202321477124U CN 220013659 U CN220013659 U CN 220013659U
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- 239000004567 concrete Substances 0.000 claims abstract description 30
- 239000011241 protective layer Substances 0.000 claims abstract description 16
- 239000003673 groundwater Substances 0.000 claims abstract description 11
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 44
- 230000008595 infiltration Effects 0.000 claims description 28
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- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The utility model relates to the field of waterproof building construction, in particular to an anti-floating anchor rod waterproof node structure which comprises a concrete cushion layer serving as a substrate, a waterproof layer arranged right above the concrete cushion layer and used for preventing groundwater from penetrating, a protective layer arranged right above the waterproof layer and used for protecting the waterproof layer, a structural bottom plate arranged right above the protective layer, and anchor rod reinforcing steel bars used for fixedly mounting other parts. The utility model has the effect of increasing the durability of underground construction against underground water.
Description
Technical Field
The utility model relates to the field of waterproof building construction, in particular to a waterproof node structure of an anti-floating anchor rod.
Background
Nowadays, with the increase of development degree of underground space and the utilization of underground space, the arrangement of a basement, an underground garage and the like is more common, taking the underground garage as an example, when the underground garage is developed, because of different geological conditions, underground water can exist in the air and cracks of soil body, and for the engineering that the underground water level is higher than the bottom surface of a structure, the design needs to consider to add an anti-floating anchor rod as an anti-floating measure, so that the upper building is ensured not to shift upwards.
In the prior art, under the general condition, an anchor rod with the aperture of 150mm is adopted in underground construction, 3 main reinforcements are formed by electrically welding 20 hot rolled ribbed steel bars into a bundle, M30 cement paste is adopted for pouring, and the end parts of the main reinforcements extend into a structural bottom plate to anchor to form an integral anti-floating system, but for the geological condition with high underground water content, the leakage of weak parts of the anti-floating anchor rod of the underground structure is difficult to effectively inhibit.
With respect to the related art described above, the inventors consider that there is a disadvantage that it is difficult to satisfy durability by only relying on grouting in the anchor rod hole and the surrounding foundation mat set.
Disclosure of Invention
In order to increase the durability of underground construction against underground water, the utility model provides an anti-floating anchor rod waterproof node structure.
The utility model provides a waterproof node structure of an anti-floating anchor, which adopts the following technical scheme:
the utility model provides an anti-floating anchor waterproof node structure, is including being used for as the concrete bed course of basement, setting be in be used for preventing the waterproof layer of groundwater infiltration directly over the concrete bed course, set up be used for protecting the protective layer directly over the waterproof layer, be located structural bottom plate directly over the protective layer to and be used for the stock reinforcing bar of fixed mounting other parts.
Through adopting above-mentioned technical scheme, when the construction, carry out elevation to stock reinforcing bar earlier and copy the survey, then carry out the clearance of end to it, pour the concrete bed course earlier after confirming the position of stock reinforcing bar, then set up the waterproof layer on the concrete bed course, set up protective layer and structural bottom board on the waterproof layer at last, the waterproof layer is used for preventing groundwater's infiltration upwards, the stock reinforcing bar is used for laying the basic unit position, the protective layer is used for playing the protection to the waterproof layer, structural bottom board fixed position finally, make the waterproof layer fix in a certain limit, effectively play waterproof effect, can effectively improve the durability on the ground after the construction after increasing the waterproof layer, increase maintenance construction life.
Preferably, the waterproof layer comprises a penetrating waterproof layer attached to the concrete cushion layer and a coiled material waterproof layer arranged right above the penetrating waterproof layer, and a waterproof part is arranged in the penetrating waterproof layer.
Through adopting above-mentioned technical scheme, the waterproof layer is provided with the multilayer, at first set up infiltration waterproof layer, when there is a small amount of infiltration underground, infiltration waterproof layer can absorb this partial water to reach the water-proof effects, if underground infiltration is more, the coiled material waterproof layer plays the effect that prevents that water infiltration to ground from preventing to collapse this moment, the coiled material waterproof layer mainly plays the effect of separation, the setting of waterproof part is in order to have a large amount of water oozes in the underground, will be absorbed by infiltration waterproof layer the water that blocks, play better water-proof effects, the durability after the increase underground construction.
Preferably, the waterproof part comprises a waterproof groove and a thickened waterproof layer arranged in the waterproof groove, and the thickened waterproof layer is made of non-solidified waterproof materials.
Through adopting above-mentioned technical scheme, the setting of waterproof groove can hold the non-solidification waterproof material of more volume to reach the effect that can absorb more infiltration water.
Preferably, one or more anchor bar reinforcing bars are arranged, and one or more anchor bar reinforcing bars sequentially penetrate through the structural bottom plate, the waterproof layer and the concrete cushion layer to the ground; the anchor rod reinforcing steel bar is sleeved with a first expansion water stop strip at the penetrating position of the waterproof layer, the first expansion water stop strip is positioned right above the waterproof layer, and one surface of the first expansion water stop strip is attached to the waterproof layer.
Through adopting above-mentioned technical scheme, when constructing, the stock reinforcing bar mainly plays the reinforcement effect, and first inflation sealing strip is used for preventing to permeate water from oozing in the stock hole of stock reinforcing bar, when groundwater upwards permeates from the stock hole, and first inflation sealing strip water absorption inflation can seal the gap between stock hole and the stock to reach better stagnant water effect, increase the durability after the underground construction finishes.
Preferably, the anchor rod reinforcing steel bar is further sleeved with a standby expansion water stop bar, the standby expansion water stop bar is located right above the first expansion water stop bar, and the standby expansion water stop bar is located right above the structural bottom plate.
Through adopting above-mentioned technical scheme, when the maintenance, if damage appears, reserve inflation sealing strip can be used for replacing the first inflation sealing strip of lower part, provides convenience for maintenance construction.
Preferably, the permeable waterproof layer comprises a first impermeable layer and a second impermeable layer, the first impermeable layer is positioned right below the second impermeable layer, and the thickness of the first impermeable layer is half of that of the second impermeable layer.
Through adopting above-mentioned technical scheme, infiltration waterproof layer is provided with two-layer, and first prevention of seepage is used for preliminary waterproof, and when underground infiltration is more, the second prevention of seepage is penetrated the layer and is played better stagnant water effect, and the thickness of first prevention of seepage is also less than the second prevention of seepage layer, can effectively adapt to the pressure to infiltration waterproof layer when water infiltration.
Preferably, the first permeation prevention layer is cement-based permeation crystallization type waterproof paint, and the second permeation prevention layer is non-cured rubber asphalt waterproof paint.
By adopting the technical scheme, after the cement-based permeable crystallization type waterproof coating is acted with water, active chemical substances contained in the material permeate into the concrete through carrier water, water-insoluble crystals are formed in the concrete, capillary channels are blocked, and therefore the concrete is compact and waterproof; the non-cured rubber asphalt waterproof coating can seal cracks and capillary holes of a base layer, solves the problems of waterproof layer fracture, flexural fatigue or advanced ageing under a high stress state and the like caused by the transmission of the cracking stress of the base layer to the waterproof layer, and simultaneously, the viscosity of the waterproof layer can well seal the capillary holes and cracks of the base layer, so that the problem of water-filling of the waterproof layer is solved, and the waterproof reliability is greatly improved.
Preferably, the coiled material waterproof layer comprises a first coiled material layer and a second coiled material layer, the first coiled material layer is located right below the second coiled material layer, and the thickness of the first coiled material layer is larger than that of the second coiled material layer.
Through adopting above-mentioned technical scheme, two-layer waterproofing membrane plays two guarantee effects, and first coiled material layer can cooperate the use with the infiltration waterproof layer, the waterproof effect of reinforcing of being convenient for.
Preferably, the non-cured waterproof material is a non-cured rubber asphalt waterproof paint.
By adopting the technical scheme, the non-cured rubber asphalt waterproof material is elastoplastic colloid composed of rubber, asphalt, softening oil and temperature control agent, is not cured after being contacted with air for a long time, has good cohesive force, and can effectively solve the problem of compatibility when the traditional waterproof coiled material and waterproof paint are used in a compounding way.
In summary, the present utility model includes at least one of the following beneficial technical effects:
1. when constructing, carry out elevation to stock reinforcing bar and copy the survey earlier, then carry out the clearance of end to it, pour the concrete bed course earlier after confirming the position of stock reinforcing bar, then set up the waterproof layer on the concrete bed course, set up protective layer and structural bottom board on the waterproof layer at last, the waterproof layer is used for preventing groundwater's upward infiltration, the stock reinforcing bar is used for laying basic unit position, the protective layer is used for playing the protection to the waterproof layer, structural bottom board fixed position at last, make the waterproof layer fix in certain within range, effectively play waterproof effect, can effectively improve the durability on ground after the construction after increasing the waterproof layer, increase maintenance construction life.
2. The waterproof layer is provided with the multilayer, at first sets up the infiltration waterproof layer, when there is a small amount of infiltration underground, the infiltration waterproof layer can absorb the water of this part to reach the water-proof effects, if the infiltration of underground is more, the coiled material waterproof layer plays the effect that prevents that water infiltration to ground from preventing to collapse this moment, and the coiled material waterproof layer mainly plays the effect of separation, and the setting of waterproof part is in order to have the water absorption that the infiltration waterproof layer blocked when oozing by a large amount of water underground, plays better water-proof effects, increases the durability after the underground construction.
3. When constructing, the stock reinforcing bar mainly plays the reinforcement effect, and first inflation sealing up strip is used for preventing that the infiltration from oozing in the stock hole of stock reinforcing bar, and when groundwater upwards oozes from the stock hole, first inflation sealing up strip expansion that absorbs water can seal the gap between stock hole and the stock to reach better stagnant water effect, increase the durability after the underground construction finishes.
Drawings
Fig. 1 is a schematic overall structure of a waterproof node structure of an anti-floating anchor according to an embodiment of the present utility model.
Reference numerals illustrate: 1. a concrete cushion layer; 2. a waterproof layer; 21. penetrating the waterproof layer; 211. a first permeation prevention layer; 212. a second permeation prevention layer; 22. a coiled material waterproof layer; 221. a first web layer; 222. a second web layer; 23. a waterproof part; 231. thickening the waterproof layer; 3. a protective layer; 4. a structural bottom plate; 5. anchor bar reinforcement; 6. a first expansion water stop strip; 7. and (5) a standby expansion water stop strip.
Detailed Description
The present utility model will be described in further detail with reference to fig. 1.
The embodiment of the utility model discloses a waterproof node structure of an anti-floating anchor rod. Referring to fig. 1, the anti-floating anchor rod waterproof node structure comprises a concrete cushion layer 1, a waterproof layer 2, a protective layer 3, a structural bottom plate 4 and anchor rod reinforcing steel bars 5, wherein the concrete cushion layer 1, the waterproof layer 2, the protective layer 3 and the structural bottom plate 4 are sequentially arranged from bottom to top. The anchor bar 5 is provided with one or more, and the anchor bar 5 plays a role in fixation during construction. During construction, the anchor bar 5 is firstly subjected to elevation shoveling and measuring, then the end head of the anchor bar 5 is cleaned, the lower end of the anchor bar 5 is attached to the construction ground, preferably, the position of the anchor bar 5 is vertically arranged relative to the construction ground, and then the concrete cushion layer 1 is poured, so that the anchor bar 5 is subjected to primary fixing, and the waterproof layer 2 is also convenient to set.
Referring to fig. 1, optionally, a waterproof layer 2 is provided around the anchor bar 5 by 250mm, and the waterproof layer 2 includes a penetrating waterproof layer 21 provided to fit the concrete blanket 1, and a coiled material waterproof layer 22 provided right above the penetrating waterproof layer 21. The permeable waterproof layer 21 comprises a first impermeable layer 211 and a second impermeable layer 212, and when in construction, the first impermeable layer 211 is positioned right below the second impermeable layer 212, and according to the osmotic water pressure, the thickness of the first impermeable layer 211 is half of that of the second impermeable layer 212, optionally, the thickness of the first impermeable layer 211 is 1mm, and the thickness of the second impermeable layer 212 is 2mm. The infiltration waterproof layer 21 is provided with two-layer, and first prevention of seepage layer 211 is used for preliminary waterproof, and when groundwater infiltration is great, second prevention of seepage layer 212 plays better stagnant water effect, and the thickness of first prevention of seepage layer 211 is also less than second prevention of seepage layer 212, can effectively adapt to the pressure to infiltration waterproof layer 21 when water infiltration.
Alternatively, the first permeation prevention layer 211 is a cement-based permeable crystalline waterproof coating, and the second permeation prevention layer 212 is a non-cured rubber asphalt waterproof coating. The cement-base permeable crystalline waterproof paint is a powdery rigid waterproof material prepared by using special cement, quartz sand and the like as base materials and penetrating various active chemical substances. After the active chemical substances in the material are reacted with water, the active chemical substances permeate into the concrete through carrier water, water-insoluble crystals are formed in the concrete, capillary channels are blocked, and therefore the concrete is compact and waterproof. The non-cured rubber asphalt waterproof paint is prepared by mixing rubber, asphalt and softening oil serving as main components, a temperature control agent and a filler, and maintains a sticky paste within the service life, and can seal cracks and capillary holes of a base layer and adapt to complex construction operation surfaces; the adhesive is not cured for a long time after being contacted with air, always keeps the characteristic of sticky colloid, has strong self-healing capability, is sticky when being touched and difficult to peel, has good adhesive property at-20 ℃, and can solve the problems of fracture, flexural fatigue, advanced aging and the like of the waterproof layer 2 caused by the fact that the cracking stress of a base layer is transferred to the waterproof layer 2; meanwhile, the non-cured rubber asphalt waterproof paint is used as a creep material, and the viscosity of the non-cured rubber asphalt waterproof paint can well seal pores and cracks of a base layer, so that the problem of water leaping of a waterproof layer 2 is solved, and the waterproof reliability is greatly improved; the compatibility problem of the existing waterproof coiled material and waterproof paint during composite use can be solved.
Referring to fig. 1, web waterproof layer 22 includes a first web layer 221 and a second web layer 222, first web layer 221 being located directly below second web layer 222, first web layer 221 being thicker than second web layer 222. Optionally, the thickness of the first coiled material layer 221 is 4mm, the thickness of the second coiled material layer 222 is 3mm, the two layers of waterproof coiled materials play a double-guarantee role, the first coiled material layer 221 and the permeable waterproof layer 21 can be matched for use, the waterproof effect is convenient to enhance, and the coiled material layer can effectively prevent groundwater from exuding upwards. Optionally, the waterproof part 23 is disposed in the permeable waterproof layer 21, the waterproof part 23 includes a waterproof tank, and a thickened waterproof layer 231 disposed in the waterproof tank, the thickened waterproof layer 231 is a non-cured waterproof material, and the waterproof tank can accommodate a larger amount of non-cured waterproof material, so as to achieve the effect of absorbing more permeable water, and optionally, the non-cured waterproof material is a non-cured rubber asphalt waterproof coating.
Referring to fig. 1, optionally, the penetrating part of the anchor bar reinforcing bar 5 and the second coiled material layer 222 is sleeved with a first expansion water stop bar 6, the first expansion water stop bar 6 is located right above the second coiled material layer 222, one surface of the first expansion water stop bar 6 is attached to the second coiled material layer 222, the first expansion water stop bar 6 is used for preventing seepage water from seeping out from the anchor bar hole of the anchor bar reinforcing bar 5, when groundwater permeates upwards from the anchor bar hole, the first expansion water stop bar 6 absorbs water to expand to seal a gap between the anchor bar hole and the anchor bar, so that a better water stop effect is achieved, and durability after underground construction is improved. The anchor rod reinforcing steel bar 5 is further sleeved with a standby expansion water stop strip 7, the standby expansion water stop strip 7 is located right above the first expansion water stop strip 6, the standby expansion water stop strip 7 is located right above the structural bottom plate 4, and when the anchor rod reinforcing steel bar is overhauled, if damage occurs, the standby expansion water stop strip 7 can be used for replacing the first expansion water stop strip 6 at the lower part, and convenience is provided for overhauling construction.
The utility model can have various implementation processes and implementation modes, and optionally, the construction process of one embodiment of the utility model is as follows: firstly, carrying out elevation shoveling measurement on the anchor rod reinforcing steel bars 5, and cleaning main bars and ends; then pouring a foundation cushion layer, namely a concrete cushion layer 1, according to the anchor rod steel bars 5; and brushing cement-based permeable crystalline waterproof paint with the thickness of 1mm in the range of 250mm at the root and periphery of the anchor bar steel bar 5, and then paving non-cured rubber asphalt waterproof paint with the thickness of 2 mm; then laying a double-layer hot-melt waterproof coiled material of the bottom plate, and respectively laying the double-layer hot-melt waterproof coiled material with the thickness of 4mm and the thickness of 3mm from bottom to top; reserving a groove in the center phi 150 of the anchor rod; water stop bars are respectively arranged in the grooves and at the central height of the anchor rod steel bars 5; pouring non-cured rubber asphalt waterproof paint into the groove; and finally, pouring the concrete of the waterproof protective layer 3. Namely, on the basis of the conventional anti-floating anchor rod waterproof node, waterproof materials are optimized, the use positions and sequences of the waterproof materials are comprehensively adjusted, and leakage risks are avoided.
The implementation principle of the embodiment of the utility model is as follows: when constructing, carry out elevation to stock reinforcing bar 5 and copy the survey earlier, then carry out the clearance of end to it, pour concrete bed course 1 earlier after confirming stock reinforcing bar 5's position, then set up waterproof layer 2 on concrete bed course 1, set up protective layer 3 and structure bottom plate 4 on waterproof layer 2 at last, waterproof layer 2 is used for preventing groundwater's infiltration upwards, stock reinforcing bar 5 is used for laying the basic unit position, protective layer 3 is used for playing the protection to waterproof layer 2, structure bottom plate 4 fixed position finally, make waterproof layer 2 fix in certain within range, effectively play the waterproof effect, can effectively improve the durability on the ground after the construction after increasing waterproof layer 2, increase maintenance construction life.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (9)
1. The utility model provides an anti-floating anchor waterproof node structure, its characterized in that is including being used for concrete bed course (1) as the basement, setting be in waterproof layer (2) that are used for preventing groundwater infiltration directly over concrete bed course (1), set up be used for protecting protective layer (3) directly over waterproof layer (2), be located structural bottom plate (4) directly over protective layer (3) to and be used for anchor rod reinforcing bar (5) of fixed mounting other parts.
2. The anti-floating anchor waterproof node construction structure according to claim 1, wherein: the waterproof layer (2) comprises a permeable waterproof layer (21) which is attached to the concrete cushion layer (1), and a coiled material waterproof layer (22) which is arranged right above the permeable waterproof layer (21), wherein a waterproof part (23) is arranged in the permeable waterproof layer (21).
3. The anti-floating anchor waterproof node construction structure according to claim 2, wherein: the waterproof part (23) comprises a waterproof groove and a thickened waterproof layer (231) arranged in the waterproof groove, and the thickened waterproof layer (231) is made of non-solidified waterproof materials.
4. The anti-floating anchor waterproof node construction structure according to claim 1, wherein: one or more anchor bar (5) is/are arranged, and one or more anchor bar (5) sequentially passes through the structural bottom plate (4), the waterproof layer (2) and the concrete cushion layer (1) until the concrete cushion layer is under the ground; the anchor rod reinforcing steel bar (5) and the waterproof layer (2) are sleeved with a first expansion water stop strip (6), the first expansion water stop strip (6) is located right above the waterproof layer (2), and one surface of the first expansion water stop strip (6) is attached to the waterproof layer (2).
5. The anti-floating anchor waterproof node construction structure according to claim 4, wherein: the anchor rod reinforcing steel bar (5) is further sleeved with a standby expansion water stop strip (7), the standby expansion water stop strip (7) is located right above the first expansion water stop strip (6), and the standby expansion water stop strip (7) is located right above the structural bottom plate (4).
6. The anti-floating anchor waterproof node construction structure according to claim 2, wherein: the permeable waterproof layer (21) comprises a first impermeable layer (211) and a second impermeable layer (212), the first impermeable layer (211) is located right below the second impermeable layer (212), and the thickness of the first impermeable layer (211) is half of that of the second impermeable layer (212).
7. The anti-floating anchor waterproof node construction structure according to claim 6, wherein: the first permeation prevention layer (211) is cement-based permeation crystallization type waterproof paint, and the second permeation prevention layer (212) is non-cured rubber asphalt waterproof paint.
8. The anti-floating anchor waterproof node construction structure according to claim 2, wherein: the roll waterproof layer (22) comprises a first roll layer (221) and a second roll layer (222), the first roll layer (221) is located right below the second roll layer (222), and the thickness of the first roll layer (221) is larger than that of the second roll layer (222).
9. A construction of a water-resistant joint for an anti-floating anchor according to claim 3, wherein: the non-cured waterproof material is a non-cured rubber asphalt waterproof coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321477124.XU CN220013659U (en) | 2023-06-09 | 2023-06-09 | Waterproof node structure of anti-floating anchor rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321477124.XU CN220013659U (en) | 2023-06-09 | 2023-06-09 | Waterproof node structure of anti-floating anchor rod |
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| Publication Number | Publication Date |
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| CN220013659U true CN220013659U (en) | 2023-11-14 |
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|---|---|---|---|
| CN202321477124.XU Active CN220013659U (en) | 2023-06-09 | 2023-06-09 | Waterproof node structure of anti-floating anchor rod |
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| Country | Link |
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| CN (1) | CN220013659U (en) |
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2023
- 2023-06-09 CN CN202321477124.XU patent/CN220013659U/en active Active
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