CN219862984U - Tower crane foundation construction joint waterproof construction - Google Patents
Tower crane foundation construction joint waterproof construction Download PDFInfo
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- CN219862984U CN219862984U CN202320970840.5U CN202320970840U CN219862984U CN 219862984 U CN219862984 U CN 219862984U CN 202320970840 U CN202320970840 U CN 202320970840U CN 219862984 U CN219862984 U CN 219862984U
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- waterproof
- tower crane
- foundation
- construction joint
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- 238000010276 construction Methods 0.000 title claims abstract description 92
- 239000011248 coating agent Substances 0.000 claims abstract description 45
- 238000000576 coating method Methods 0.000 claims abstract description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000004567 concrete Substances 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 17
- 239000004568 cement Substances 0.000 claims abstract description 16
- 239000013005 self healing agent Substances 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 10
- 239000010959 steel Substances 0.000 claims abstract description 10
- 239000010426 asphalt Substances 0.000 claims description 5
- 229920001971 elastomer Polymers 0.000 claims description 5
- 239000000806 elastomer Substances 0.000 claims description 5
- 230000002035 prolonged effect Effects 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000011178 precast concrete Substances 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims 6
- 230000001070 adhesive effect Effects 0.000 claims 6
- 230000000694 effects Effects 0.000 abstract description 12
- 230000008961 swelling Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 67
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000004078 waterproofing Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000009415 formwork Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a waterproof structure for a construction joint of a tower crane foundation. The construction joint comprises a construction joint arranged between a tower crane foundation layer and a post-pouring foundation layer: the tower crane foundation layer comprises a foundation pit which is excavated, a cushion layer is paved at the top of an inner cavity of the foundation pit, a waterproof layer is arranged at the top of the cushion layer, and a cast-in-place concrete layer is poured at the top of the waterproof layer. According to the utility model, through the matched use of the waterproof layer and the waterproof coiled material, the water seepage from the bottoms of the foundation pit and the post-pouring foundation layer is avoided, the construction joint is subjected to the primary water stopping effect through the arrangement of the water stopping steel plate, the construction joint is further subjected to the waterproof effect through the matched use of the construction groove, the self-healing agent, the water swelling water stopping strip and the self-healing cement, and the waterproof effect on the construction joint is enhanced through the matched use of the waterproof coating I and the waterproof coating II, so that the waterproof effect on the construction joint is enhanced, and the aim of effectively waterproof the tower crane foundation construction joint can be achieved.
Description
Technical Field
The utility model belongs to the technical field of tower crane foundation construction, and particularly relates to a waterproof structure for a tower crane foundation construction joint.
Background
The tower crane foundation construction comprises pile foundation construction, foundation pit dewatering, tower crane foundation pit earthwork excavation, cushion layer pouring, foundation paying-off, wire inspection, bottom layer reinforcing steel bar net binding, tower crane embedded leg column installation and fixation, upper layer reinforcing steel bar net binding, tower crane foundation formwork support, tower crane foundation reinforcing steel bar formwork acceptance, tower crane foundation concrete pouring and the like.
When the ground concrete is poured after the concrete pouring of the tower crane foundation is completed, the concrete is poured first for more than the initial setting time, a joint surface exists between the concrete and the ground concrete poured later, the joint surface is called a construction joint, and the construction joint can lead the damage such as frame body open welding, crack, deformation, distortion and the like caused by the water seepage of the tower crane foundation to even cause the overturning of the tower crane, so that waterproofing measures need to be taken for the construction joint, and a waterproof structure for the construction joint of the tower crane foundation needs to be designed, so that the construction joint of the tower crane foundation can be effectively waterproof.
Disclosure of Invention
The utility model aims to provide a waterproof structure for a construction joint of a tower crane foundation, which has the advantage of effectively preventing the construction joint of the tower crane foundation from being water, and solves the technical problems.
The technical scheme for solving the technical problems is as follows: a waterproof construction of a tower crane foundation construction joint comprises a construction joint arranged between a tower crane foundation layer and a post-pouring foundation layer: the foundation pit is laid at the top of foundation pit inner chamber, the bed course has been laid at the top of bed course, the top of bed course is provided with the waterproof layer, the top of waterproof layer has been pour earlier the concrete layer, the both sides at earlier the concrete layer top have all been pre-buried to have the stagnant water steel sheet, the other half of stagnant water steel sheet sets up the inside at post-cast foundation layer, waterproofing membrane has all been laid to the bottom of tower crane foundation layer inner wall and post-cast foundation layer, the quantity of construction joint is two, set up the construction groove at the construction joint top between tower crane foundation layer and the post-cast foundation layer, the inner chamber of construction joint and construction groove inner wall all are provided with the self-healing agent, the top of construction groove inner chamber is provided with the water expansion sealing strip that is cohered in self-healing agent inner chamber bottom, the top of water expansion sealing strip inner chamber is filled with self-healing cement, the top of self-healing cement is coated with waterproof coating one, waterproof coating one's top is coated with waterproof coating two.
The utility model relates to a waterproof structure for a construction joint of a tower crane foundation, which is characterized by further comprising the following steps: the cushion layer is a C15 concrete cushion layer.
The utility model relates to a waterproof structure for a construction joint of a tower crane foundation, which is characterized by further comprising the following steps: the cast-in-place concrete layer is a C35 impervious concrete layer.
The utility model relates to a waterproof structure for a construction joint of a tower crane foundation, which is characterized by further comprising the following steps: a waterproof protective layer is arranged between the waterproof layer and the cast-in-place concrete layer.
The utility model relates to a waterproof structure for a construction joint of a tower crane foundation, which is characterized by further comprising the following steps: the waterproof coiled material is an elastomer modified asphalt waterproof coiled material.
The utility model relates to a waterproof structure for a construction joint of a tower crane foundation, which is characterized by further comprising the following steps: the self-healing agent is a self-healing interfacial agent.
The utility model relates to a waterproof structure for a construction joint of a tower crane foundation, which is characterized by further comprising the following steps: the top of the self-healing cement is at the same height as the top of the post-cast foundation layer.
The utility model relates to a waterproof structure for a construction joint of a tower crane foundation, which is characterized by further comprising the following steps: both sides of the waterproof coating I are prolonged by 100mm, and the waterproof coating I is a T/T waterproof coating.
The utility model relates to a waterproof structure for a construction joint of a tower crane foundation, which is characterized by further comprising the following steps: the second waterproof coating is a self-healing waterproof coating, and the second waterproof coating extends to the top of the post-pouring foundation layer.
1. The beneficial effects of the utility model are as follows: according to the utility model, through the matched use of the waterproof layer and the waterproof coiled material, the water seepage from the bottoms of the foundation pit and the post-pouring foundation layer is avoided, the construction joint is subjected to the primary water stopping effect through the arrangement of the water stopping steel plate, the construction joint is further subjected to the waterproof effect through the matched use of the construction groove, the self-healing agent, the water swelling water stopping strip and the self-healing cement, and the waterproof effect on the construction joint is enhanced through the matched use of the waterproof coating I and the waterproof coating II, so that the waterproof effect on the construction joint is enhanced, and the aim of effectively waterproof the tower crane foundation construction joint can be achieved.
2. The waterproof coiled material is an elastomer modified asphalt waterproof coiled material, so that the waterproof coiled material has the advantages of heat resistance, cold resistance, corrosion resistance, aging resistance, good thermoplasticity, large tensile resistance, high elongation, strong tear resistance and the like.
3. According to the utility model, the top of the self-healing cement and the top of the post-pouring foundation layer are arranged at the same height, so that the thickness of the waterproof coating is uniform when the waterproof coating is coated later, and the waterproof effect is better.
4. According to the utility model, through the arrangement that both sides of the waterproof coating I are prolonged by 100mm, liquid at the top of the post-pouring foundation layer is prevented from flowing into the inner cavity of the construction groove, so that the liquid is prevented from penetrating into the construction joint for a long time between the two sides of the waterproof coating I.
Drawings
The foregoing and/or other advantages of the present utility model will become more apparent and more readily appreciated from the detailed description taken in conjunction with the following drawings, which are meant to be illustrative only and not limiting of the utility model, wherein:
FIG. 1 is a schematic front view in cross section of an embodiment of the present utility model;
fig. 2 is an enlarged schematic view of a of fig. 1 according to an embodiment of the present utility model.
In the drawings, the list of components represented by the various numbers is as follows:
1. the foundation layer of the tower crane, 101, a foundation pit, 102, a cushion layer, 103, a waterproof layer, 104, a pre-cast concrete layer, 105, a waterproof layer, 106, a water-stop steel plate, 107, a waterproof coiled material, 2, a post-cast foundation layer, 3, a construction joint, 4, a construction groove, 5, a self-healing agent, 6, a water-swelling water-stop strip, 7, self-healing cement, 8, a waterproof coating I, 9 and a waterproof coating II.
Detailed Description
Hereinafter, an embodiment of the tower crane foundation construction joint waterproof structure of the present utility model will be described with reference to the accompanying drawings.
The examples described herein are specific embodiments of the present utility model, which are intended to illustrate the inventive concept, are intended to be illustrative and exemplary, and should not be construed as limiting the utility model to the embodiments and scope of the utility model. In addition to the embodiments described herein, those skilled in the art can adopt other obvious solutions based on the disclosure of the claims and specification, including those adopting any obvious substitutions and modifications to the embodiments described herein.
The drawings in the present specification are schematic views, which assist in explaining the concept of the present utility model, and schematically show the shapes of the respective parts and their interrelationships. Note that, in order to clearly show the structures of the components of the embodiments of the present utility model, the drawings are not drawn to the same scale. Like reference numerals are used to denote like parts.
Fig. 1-2 show a tower crane foundation construction joint waterproof structure according to an embodiment of the present utility model, which includes a construction joint 3 provided between a tower crane foundation layer 1 and a post-cast foundation layer 2: the tower crane foundation layer 1 comprises a foundation pit 101 which is excavated, a cushion layer 102 is paved on the top of an inner cavity of the foundation pit 101, the cushion layer 102 is a C15 concrete cushion layer with the thickness of 100mm, a waterproof layer 103 is arranged on the top of the cushion layer 102, a cast-in-place concrete layer 104 is poured on the top of the waterproof layer 103, a C35 impervious concrete layer is arranged on the cast-in-place concrete layer 104, a waterproof protection layer 105 is arranged between the waterproof layer 103 and the cast-in-place concrete layer 104, water stop steel plates 106 are pre-buried on two sides of the top of the cast-in-place concrete layer 104, the other half of the water stop steel plates 106 are arranged in the post-pouring foundation layer 2, waterproof coiled materials 107 are paved on the inner wall of the tower crane foundation layer 1 and the bottom of the post-pouring foundation layer 2, the waterproof coiled materials 107 are elastomer modified asphalt waterproof coiled materials, and the waterproof coiled materials 107 are elastomer modified asphalt waterproof coiled materials through the arrangement of the waterproof coiled materials, so that the waterproof tower crane foundation layer has the advantages of heat resistance, cold resistance, corrosion resistance, aging resistance, high tensile resistance, high elongation resistance, tear resistance and the like, the number of the construction joints 3 is two, a construction groove 4 arranged at the top of the construction joint 3 is arranged between the tower crane foundation layer 1 and the post-pouring foundation layer 2, the inner cavity of the construction joint 3 and the inner wall of the construction groove 4 are both provided with a self-healing agent 5, the self-healing agent 5 is a self-healing interface agent, the top of the inner cavity of the construction groove 4 is provided with a water-swelling water stop strip 6 bonded at the bottom of the inner cavity of the self-healing agent 5, the top of the inner cavity of the water-swelling water stop strip 6 is filled with self-healing cement 7, the top of the self-healing cement 7 and the top of the post-pouring foundation layer 2 are at the same height, the top of the self-healing cement 7 and the top of the post-pouring foundation layer 2 are arranged at the same height, so that the thickness of the water-proof coating 8 is more uniform when the water-proof coating 8 is coated later, the top of self-healing cement 7 is coated with waterproof coating one 8, both sides of waterproof coating one 8 are all prolonged by 100mm, waterproof coating one 8 is T1/T2 waterproof coating, through the setting of waterproof coating one 8 both sides all prolonged by 100mm, avoid post-cast foundation layer 2 top liquid inflow construction groove 4's inner chamber, thereby lead to detention between permeate construction joint 3's the inside for a long time, waterproof coating one 8's top is coated with waterproof coating two 9, waterproof coating two 9 are self-healing waterproof coating, waterproof coating two 9 prolong to post-cast foundation layer 2's top.
Working principle: when the waterproof tower foundation is used, a user firstly chisels a peripheral surface of the ground where the cast-in-place concrete layer 104 leaks, then spreads the cast-in-place foundation layer 2, so that the contact area between the cast-in-place concrete layer 104 and the cast-in-place foundation layer 2 is increased, the top of a construction joint 3 formed between the cast-in-place concrete layer 104 and the cast-in-place concrete layer 2 after solidification is provided with a construction groove 4, then the inner cavity of the construction groove 4 is cleaned, then the inner cavity of the construction joint 3 is filled with self-healing agent 5 and the inner wall of the construction groove 4 is coated until the self-healing agent 5 is air-dried, at the moment, the bottom of the inner cavity of the construction groove 4 is bonded with a water-swelling water stop strip 6, then the inner cavity of the construction groove 4 is filled with self-healing cement 7, the top of the self-healing cement 7 is scraped and the top of the cast-in-place foundation layer 2 is coated with a waterproof coating 8 after the same horizontal plane, the width of the waterproof coating 8 is longer than the two sides of the self-healing cement 7 by 100mm, and finally the two sides of the waterproof coating 9 are coated on the top of the waterproof coating 8, so that the waterproof tower foundation can be effectively waterproof by the construction.
To sum up: this tower crane foundation construction joint waterproof construction uses through waterproof layer 103 and waterproofing membrane 107's cooperation, has avoided foundation ditch 101 and post-cast foundation layer 2's bottom to ooze from the below, through the setting of stagnant water steel sheet 106 for preliminary stagnant water effect to construction joint 3 has been carried out, uses through the cooperation of construction groove 4, self-healing agent 5, water-swelling stagnant water strip 6 and self-healing cement 7, has made to further play the waterproof effect to construction joint 3, uses through the cooperation of waterproof coating one 8 and waterproof coating two 9, has made the waterproof effect to construction joint 3 strengthened, can reach tower crane foundation construction joint and carry out effective waterproof purpose.
The above disclosed features are not limited to the disclosed combinations with other features, and other combinations between features can be made by those skilled in the art according to the purpose of the utility model to achieve the purpose of the utility model.
Claims (9)
1. The utility model provides a tower crane foundation construction joint waterproof construction which characterized in that, including setting up construction joint (3) between tower crane foundation layer (1) and post-cast foundation layer (2): the tower crane foundation layer (1) comprises a foundation pit (101) which is excavated, a cushion layer (102) is paved at the top of an inner cavity of the foundation pit (101), a waterproof layer (103) is arranged at the top of the cushion layer (102), a pouring-in concrete layer (104) is poured at the top of the waterproof layer (103), water stop steel plates (106) are pre-buried at two sides of the top of the pouring-in concrete layer (104), the other half of the water stop steel plates (106) are arranged in a post-pouring foundation layer (2), waterproof coiled materials (107) are paved at the bottoms of the inner wall of the tower crane foundation layer (1) and the post-pouring foundation layer (2), two construction grooves (4) which are arranged at the top of the construction joint (3) are arranged between the tower crane foundation layer (1) and the post-pouring foundation layer (2), self-swelling adhesive (5) are arranged at the inner cavity of the construction joint (3) and the inner wall of the construction groove (4), a water stop adhesive (6) is adhered to the bottom of the inner cavity of the self-swelling adhesive (5), a water stop adhesive (7) is filled in the water stop adhesive (7) and the self-swelling adhesive (8) at the top of the inner cavity (7), the top of the waterproof coating I (8) is coated with a waterproof coating II (9).
2. The tower crane foundation construction joint waterproof structure according to claim 1, wherein the cushion layer (102) is a C15 concrete cushion layer.
3. A tower crane foundation construction joint waterproof structure according to claim 2, wherein the pre-cast concrete layer (104) is a C35 impervious concrete layer.
4. A tower crane foundation construction joint waterproof structure according to claim 3, characterized in that a waterproof layer (105) is provided between the waterproof layer (103) and the pre-cast concrete layer (104).
5. The tower crane foundation construction joint waterproof structure according to claim 4, wherein the waterproof coiled material (107) is an elastomer modified asphalt waterproof coiled material.
6. The tower crane foundation construction joint waterproof structure according to claim 5, wherein the self-healing agent (5) is a self-healing interface agent.
7. The tower crane foundation construction joint waterproof structure according to claim 6, wherein the top of the self-healing cement (7) and the top of the post-pouring foundation layer (2) are located at the same height.
8. The waterproof structure for the construction joints of the tower crane foundation according to claim 7, wherein the two sides of the waterproof coating I (8) are prolonged by 100mm, and the waterproof coating I (8) is a T1/T2 waterproof coating.
9. The tower crane foundation construction joint waterproof structure according to claim 8, wherein the second waterproof coating (9) is a self-healing waterproof coating, and the second waterproof coating (9) extends to the top of the post-pouring foundation layer (2).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202320970840.5U CN219862984U (en) | 2023-04-26 | 2023-04-26 | Tower crane foundation construction joint waterproof construction |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202320970840.5U CN219862984U (en) | 2023-04-26 | 2023-04-26 | Tower crane foundation construction joint waterproof construction |
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Publication Number | Publication Date |
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CN219862984U true CN219862984U (en) | 2023-10-20 |
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CN202320970840.5U Active CN219862984U (en) | 2023-04-26 | 2023-04-26 | Tower crane foundation construction joint waterproof construction |
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CN (1) | CN219862984U (en) |
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2023
- 2023-04-26 CN CN202320970840.5U patent/CN219862984U/en active Active
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