CN110985763A - Waterproof structure of ground source heat pump pipe penetrating through concrete foundation slab and construction method of waterproof structure - Google Patents
Waterproof structure of ground source heat pump pipe penetrating through concrete foundation slab and construction method of waterproof structure Download PDFInfo
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- CN110985763A CN110985763A CN201911285511.1A CN201911285511A CN110985763A CN 110985763 A CN110985763 A CN 110985763A CN 201911285511 A CN201911285511 A CN 201911285511A CN 110985763 A CN110985763 A CN 110985763A
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- source heat
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- 239000004567 concrete Substances 0.000 title claims abstract description 55
- 230000000149 penetrating effect Effects 0.000 title claims abstract description 47
- 238000010276 construction Methods 0.000 title abstract description 10
- 239000010410 layer Substances 0.000 claims abstract description 89
- 239000010426 asphalt Substances 0.000 claims abstract description 50
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 22
- 239000011241 protective layer Substances 0.000 claims abstract description 20
- 239000011247 coating layer Substances 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 15
- 239000002689 soil Substances 0.000 claims abstract description 13
- 239000004575 stone Substances 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 18
- 238000005187 foaming Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 230000035515 penetration Effects 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L5/00—Devices for use where pipes, cables or protective tubing pass through walls or partitions
- F16L5/02—Sealing
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
Abstract
The invention discloses a waterproof structure of a ground source heat pump pipe penetrating through a concrete foundation slab and a construction method thereof, and solves the problem of ensuring the quality of waterproof engineering of the ground source heat pump pipe penetrating through the foundation slab of an underground garage foundation structure. The ground source heat pump bottom plate sleeve is characterized in that an upper end flange and a lower end flange of the sleeve are arranged on the outer side surface of the ground source heat pump bottom plate penetrating sleeve (1), a fine aggregate concrete protective layer (10) is arranged under a reinforced concrete foundation slab (11), a double-layer modified asphalt waterproof roll material layer (8) is arranged under the fine aggregate concrete protective layer (10), a modified asphalt waterproof coating layer (7) is arranged under the double-layer modified asphalt waterproof roll material layer (8), a lower end flange (2) of the sleeve is arranged under the modified asphalt waterproof coating layer (7), a fine aggregate concrete cushion layer (6) is arranged under the lower end flange (2) of the sleeve, and a tamping plain soil layer (5) is arranged under the fine aggregate concrete cushion layer (. The waterproof problem of the upper pipe penetration is solved, and the construction quality is ensured.
Description
Technical Field
The invention relates to a waterproof structure, in particular to a waterproof structure of a ground source heat pump pipe penetrating through a concrete foundation slab and a construction method thereof.
Background
The modern high-grade fine decoration apartment building integrates living, entertainment and commerce, the total building area is hundreds of thousands of square meters, the floor is composed of tower buildings and skirt buildings, a high-altitude steel structure corridor connects a plurality of tower buildings into a whole, the tower buildings are arranged around an underground garage in a U shape, foundation bottom plates are connected into a whole, the foundation of the tower buildings is a CFG pile composite foundation, the CFG piles are 25.5 meters long, the skirt buildings are natural foundations, the foundation of the underground garage is an anti-floating pile, and the underground garage foundation is buried deep by 12 meters; the summer refrigeration and winter heating of the whole building group are provided by hundreds of ground source heat pump wells which are 100 meters deep and are positioned below an underground garage foundation structure bottom plate, a large-area ground source heat pump well is arranged below the underground garage foundation structure bottom plate, the hundreds of ground source heat pump wells which are 100 meters deep are converged into 188 vertical pipelines with the diameter of 130 millimeters through horizontal connecting pipelines, the vertical pipelines penetrate through the underground garage foundation structure bottom plate with the thickness of 500 millimeters, and how to ensure the waterproof engineering quality of the ground source heat pump pipes penetrating through the underground garage foundation structure bottom plate is a big difficulty of the engineering.
Disclosure of Invention
The invention provides a waterproof structure of a ground source heat pump pipe penetrating through a concrete foundation slab and a construction method thereof, and solves the technical problem of ensuring the quality of waterproof engineering of the ground source heat pump pipe penetrating through the foundation slab of an underground garage foundation structure.
The invention solves the technical problems by the following technical scheme:
a waterproof structure of a ground source heat pump pipe penetrating through a concrete foundation slab comprises a ground source heat pump bottom penetrating plate sleeve and a reinforced concrete foundation slab, wherein the ground source heat pump pipe is arranged in the ground source heat pump bottom penetrating plate sleeve, a sleeve lower end flange and a sleeve upper end flange are respectively arranged on the outer side surface of the ground source heat pump bottom penetrating plate sleeve, the sleeve upper end flange is arranged in the reinforced concrete foundation slab, a fine aggregate concrete protective layer is arranged below the reinforced concrete foundation slab, a double-layer modified asphalt waterproof roll material layer is arranged below the fine aggregate concrete protective layer, a sealing paste sealing strip is arranged at the joint of the double-layer modified asphalt waterproof roll material layer and the outer side wall of the ground source heat pump bottom penetrating plate sleeve, a modified asphalt waterproof coating layer is arranged below the double-layer modified asphalt waterproof roll material layer, a sleeve lower end flange is arranged below the modified asphalt waterproof coating layer, a fine aggregate concrete cushion is arranged below the sleeve lower, a tamping plain soil layer is arranged below the fine stone concrete cushion layer, and the depth of the ground source heat pump penetrating through the lower end of the bottom plate sleeve downwards inserted into the tamping plain soil layer is more than or equal to 200 mm.
A heat pump pipe supporting seat is arranged on the reinforced concrete foundation slab outside the ground source heat pump through bottom plate sleeve, a heat pump pipe supporting mechanism is arranged on the heat pump pipe supporting seat, and the heat pump pipe supporting mechanism is arranged between the outer side surface of the ground source heat pump pipe and the inner side wall of the ground source heat pump through bottom plate sleeve; the fine stone concrete protective layer is a C20 pea stone concrete protective layer with the thickness of 50 mm; the double-layer modified asphalt waterproof coil layer is SBS with the thickness of 3 mm
A PY-PE 3 modified asphalt waterproof coil layer; the thickness of the modified asphalt waterproof coating layer (7) is 1 mm; c15 fine stone concrete cushion with 100 mm thick fine stone concrete cushion layerA layer; the thickness of the flange plate at the lower end of the sleeve and the thickness of the flange plate at the upper end of the sleeve are both 6 mm.
A construction method of a waterproof structure penetrating through a ground source heat pump pipe of a concrete foundation slab comprises the following steps:
the method comprises the following steps that firstly, a ground source heat pump penetrating bottom plate sleeve of a ground source heat pump pipe is manufactured, and a sleeve lower end flange plate and a sleeve upper end flange plate are fixedly arranged on the outer side surface of the ground source heat pump penetrating bottom plate sleeve;
secondly, sleeving a ground source heat pump bottom plate penetrating sleeve on a ground source heat pump pipe, and embedding the lower end of the ground source heat pump bottom plate penetrating sleeve into a ramming element soil layer at the bottom of a foundation pit of the underground garage, wherein the embedding depth is more than 200 mm;
thirdly, paving a fine aggregate concrete cushion layer on the rammed plain soil layer, and enabling a flange plate at the lower end of the sleeve to be arranged on the top end surface of the fine aggregate concrete cushion layer;
fourthly, applying a modified asphalt waterproof coating layer on the top surface of the flange plate at the lower end of the sleeve, the outer side wall of the ground source heat pump penetrating bottom plate sleeve above the flange plate at the lower end of the sleeve and the top end surface of the fine aggregate concrete cushion layer at the outer side of the flange plate at the lower end of the sleeve, wherein the thickness of the modified asphalt waterproof coating layer is 1 mm;
fifthly, laying a double-layer modified asphalt waterproof coil layer on the modified asphalt waterproof coating layer, wherein the end part of the double-layer modified asphalt waterproof coil layer is required to be upwards overturned and extended along the joint of a flange plate at the lower end of the sleeve and the outer side wall of the ground source heat pump through bottom plate sleeve, and foaming sealing paste at the upper end sealing part of the double-layer modified asphalt waterproof coil layer to form a sealing paste sealing strip;
sixthly, applying a pea stone concrete protective layer on the double-layer modified asphalt waterproof roll material layer;
seventhly, pouring a reinforced concrete foundation bottom plate on the fine aggregate concrete protective layer, and pouring an upper end flange plate in the reinforced concrete foundation bottom plate;
and eighthly, arranging a heat pump pipe supporting seat on the reinforced concrete foundation slab outside the ground source heat pump through-slab sleeve (1), arranging a heat pump pipe supporting mechanism on the heat pump pipe supporting seat, and arranging the heat pump pipe supporting mechanism between the outer side surface of the ground source heat pump pipe and the inner side wall of the ground source heat pump through-slab sleeve.
The sleeve of the ground source heat pump penetrating through the foundation slab is provided with the integrated special flange plate, so that the hot melting paving construction is simple, the quality is easy to control, the operation is simple, the quality control is simple, the waterproof problem of the upper penetrating pipe is solved, and the construction quality is ensured.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings:
a waterproof structure of a ground source heat pump pipe penetrating through a concrete foundation slab comprises a ground source heat pump bottom penetrating plate sleeve 1 and a reinforced concrete foundation slab 11, wherein a ground source heat pump pipe 4 is arranged in the ground source heat pump bottom penetrating plate sleeve 1, a sleeve lower end flange 2 and a sleeve upper end flange 3 are respectively arranged on the outer side surface of the ground source heat pump bottom penetrating plate sleeve 1, the sleeve upper end flange 3 is arranged in the reinforced concrete foundation slab 11, a fine aggregate concrete protective layer 10 is arranged under the reinforced concrete foundation slab 11, a double-layer modified asphalt waterproof roll material layer 8 is arranged under the fine aggregate concrete protective layer 10, a sealing paste sealing strip (9) is arranged at the joint of the double-layer modified asphalt waterproof roll material layer 8 and the outer side wall of the ground source heat pump bottom penetrating plate sleeve 1, a modified asphalt waterproof coating layer 7 is arranged under the double-layer modified asphalt waterproof roll material layer 8, and a sleeve lower end flange 2 is arranged under the modified asphalt waterproof coating 7, a fine stone concrete cushion layer 6 is arranged below the flange plate 2 at the lower end of the sleeve, a tamping plain soil layer 5 is arranged below the fine stone concrete cushion layer 6, and the depth of the lower end of the ground source heat pump penetrating through the bottom plate sleeve 1 downwards inserted into the tamping plain soil layer 5 is more than or equal to 200 mm.
A heat pump pipe supporting seat 12 is arranged on the reinforced concrete foundation slab 11 outside the ground source heat pump through-slab bushing 1, a heat pump pipe supporting mechanism 13 is arranged on the heat pump pipe supporting seat 12, and the heat pump pipe supporting mechanism 13 is arranged between the outer side surface of the ground source heat pump pipe 4 and the inner side wall of the ground source heat pump through-slab bushing 1; the fine stone concrete protective layer 10 is a 50 mm thick C20 pea stone concrete protective layer; double-layer modifiedThe waterproof coil layer 8 of the asphalt is SBS with thickness of 3 mm
A PY-PE 3 modified asphalt waterproof coil layer; the thickness of the modified asphalt waterproof coating layer 7 is 1 mm; the fine aggregate concrete cushion layer 6 is a C15 fine aggregate concrete cushion layer with the thickness of 100 mm; the thickness of the flange 2 at the lower end of the sleeve and the thickness of the flange 3 at the upper end of the sleeve are both 6 mm.
A construction method of a waterproof structure penetrating through a ground source heat pump pipe of a concrete foundation slab comprises the following steps:
firstly, manufacturing a ground source heat pump penetrating bottom plate sleeve 1 of a ground source heat pump pipe 4, and fixedly arranging a sleeve lower end flange 2 and a sleeve upper end flange 3 on the outer side surface of the ground source heat pump penetrating bottom plate sleeve 1;
secondly, sleeving a ground source heat pump bottom plate penetrating sleeve 1 on a ground source heat pump pipe 4, and embedding the lower end of the ground source heat pump bottom plate penetrating sleeve 1 into a ramming plain soil layer 5 at the bottom of a foundation pit of the underground garage, wherein the embedding depth is more than 200 mm;
thirdly, paving a fine stone concrete cushion layer 6 on the rammed plain soil layer 5, and enabling the flange plate 2 at the lower end of the sleeve to be arranged on the top end surface of the fine stone concrete cushion layer 6;
fourthly, applying a modified asphalt waterproof coating layer 7 on the top surface of the flange plate 2 at the lower end of the sleeve, the outer side wall of the ground source heat pump penetrating bottom plate sleeve 1 above the flange plate 2 at the lower end of the sleeve and the top end surface of the fine stone concrete cushion layer 6 at the outer side of the flange plate 2 at the lower end of the sleeve, wherein the thickness of the modified asphalt waterproof coating layer 7 is 1 mm;
fifthly, laying a double-layer modified asphalt waterproof coil layer 8 on the modified asphalt waterproof coating layer 7, wherein the end part of the double-layer modified asphalt waterproof coil layer 8 is required to be upwards overturned and extended along the joint of the flange plate 2 at the lower end of the sleeve and the outer side wall of the ground source heat pump through-base plate sleeve 1, and foaming sealing paste at the upper end sealing part of the double-layer modified asphalt waterproof coil layer 8 to form a sealing paste sealing strip 9;
sixthly, applying a pea stone concrete protective layer 10 on the double-layer modified asphalt waterproof roll material layer 8;
seventhly, pouring a reinforced concrete foundation bottom plate 11 on the fine aggregate concrete protective layer 10, and pouring the upper end flange 3 in the reinforced concrete foundation bottom plate 11;
and eighthly, arranging a heat pump pipe supporting seat 12 on the reinforced concrete foundation slab 11 outside the ground source heat pump through-slab sleeve 1, arranging a heat pump pipe supporting mechanism 13 on the heat pump pipe supporting seat 12, and arranging the heat pump pipe supporting mechanism 13 between the outer side surface of the ground source heat pump pipe 4 and the inner side wall of the ground source heat pump through-slab sleeve 1.
Claims (3)
1. A waterproof structure of a ground source heat pump pipe penetrating through a concrete foundation slab comprises a ground source heat pump bottom penetrating plate sleeve (1) and a reinforced concrete foundation slab (11), wherein a ground source heat pump pipe (4) is arranged in the ground source heat pump bottom penetrating plate sleeve (1), a sleeve lower end flange (2) and a sleeve upper end flange (3) are respectively arranged on the outer side surface of the ground source heat pump bottom penetrating plate sleeve (1), the waterproof structure is characterized in that the sleeve upper end flange (3) is arranged in the reinforced concrete foundation slab (11), a fine aggregate concrete protective layer (10) is arranged below the reinforced concrete foundation slab (11), a double-layer modified asphalt waterproof roll material layer (8) is arranged below the fine aggregate concrete protective layer (10), and a sealing paste sealing strip (9) is arranged at the joint of the double-layer modified asphalt waterproof roll material layer (8) and the outer side wall of the ground source heat pump bottom penetrating plate sleeve (1), the modified asphalt waterproof roll material layer is characterized in that a modified asphalt waterproof coating layer (7) is arranged below a double-layer modified asphalt waterproof roll material layer (8), a sleeve lower end flange plate (2) is arranged below the modified asphalt waterproof coating layer (7), a fine aggregate concrete cushion layer (6) is arranged below the sleeve lower end flange plate (2), a tamping plain soil layer (5) is arranged below the fine aggregate concrete cushion layer (6), and the depth of the lower end of a ground source heat pump bottom plate penetrating sleeve (1) downwards inserted into the tamping plain soil layer (5) is larger than or equal to 200 mm.
2. The waterproof structure of a ground source heat pump pipe penetrating through a concrete foundation slab as claimed in claim 1, wherein a heat pump pipe support base (12) is provided on the reinforced concrete foundation slab (11) outside the ground source heat pump penetrating slab sleeve (1)A heat pump pipe supporting mechanism (13) is arranged on the heat pump pipe supporting seat (12), and the heat pump pipe supporting mechanism (13) is arranged between the outer side surface of the ground source heat pump pipe (4) and the inner side wall of the ground source heat pump through-bottom plate sleeve (1); the fine stone concrete protective layer (10) is a C20 pea stone concrete protective layer with the thickness of 50 mm; the double-layer modified asphalt waterproof coil layer (8) is SBS with the thickness of 3 mm
A PY-PE 3 modified asphalt waterproof coil layer; the thickness of the modified asphalt waterproof coating layer (7) is 1 mm; the fine stone concrete cushion layer (6) is a C15 fine stone concrete cushion layer with the thickness of 100 mm; the thickness of the flange plate (2) at the lower end of the sleeve and the thickness of the flange plate (3) at the upper end of the sleeve are both 6 mm.
3. The method for constructing a waterproof structure of a ground source heat pump pipe penetrating through a concrete foundation slab as claimed in claim 1, comprising the steps of:
firstly, manufacturing a ground source heat pump through bottom plate sleeve (1) of a ground source heat pump pipe (4), and fixedly arranging a sleeve lower end flange (2) and a sleeve upper end flange (3) on the outer side surface of the ground source heat pump through bottom plate sleeve (1);
secondly, sleeving a ground source heat pump bottom plate penetrating sleeve (1) on a ground source heat pump pipe (4), and embedding the lower end of the ground source heat pump bottom plate penetrating sleeve (1) into a rammed plain soil layer (5) at the bottom of a foundation pit of an underground garage, wherein the embedding depth is more than 200 mm;
thirdly, paving a fine aggregate concrete cushion layer (6) on the rammed plain soil layer (5), and enabling a flange plate (2) at the lower end of the sleeve to be arranged on the top end surface of the fine aggregate concrete cushion layer (6);
fourthly, applying a modified asphalt waterproof coating layer (7) on the top surface of the flange plate (2) at the lower end of the sleeve, the outer side wall of the ground source heat pump penetrating base plate sleeve (1) above the flange plate (2) at the lower end of the sleeve and the top end surface of the fine aggregate concrete cushion (6) at the outer side of the flange plate (2) at the lower end of the sleeve, wherein the thickness of the modified asphalt waterproof coating layer (7) is 1 mm;
fifthly, laying a double-layer modified asphalt waterproof coil layer (8) on the modified asphalt waterproof coating layer (7), wherein the end part of the double-layer modified asphalt waterproof coil layer (8) is required to be upwards overturned and extended along the joint of the flange plate (2) at the lower end of the sleeve and the outer side wall of the ground source heat pump through-base plate sleeve (1), and foaming sealing paste is sprayed at the upper end sealing position of the double-layer modified asphalt waterproof coil layer (8) to form a sealing paste sealing strip (9);
sixthly, a pea stone concrete protective layer (10) is applied on the double-layer modified asphalt waterproof roll material layer (8);
seventhly, pouring a reinforced concrete foundation bottom plate (11) on the fine aggregate concrete protective layer (10), and pouring the upper end flange plate (3) in the reinforced concrete foundation bottom plate (11);
and eighthly, arranging a heat pump pipe supporting seat (12) on the reinforced concrete foundation slab (11) outside the ground source heat pump through-floor sleeve (1), arranging a heat pump pipe supporting mechanism (13) on the heat pump pipe supporting seat (12), and arranging the heat pump pipe supporting mechanism (13) between the outer side surface of the ground source heat pump pipe (4) and the inner side wall of the ground source heat pump through-floor sleeve (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911285511.1A CN110985763B (en) | 2019-12-13 | 2019-12-13 | Waterproof structure penetrating through ground source heat pump pipe of concrete foundation slab and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911285511.1A CN110985763B (en) | 2019-12-13 | 2019-12-13 | Waterproof structure penetrating through ground source heat pump pipe of concrete foundation slab and construction method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN110985763A true CN110985763A (en) | 2020-04-10 |
| CN110985763B CN110985763B (en) | 2024-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911285511.1A Active CN110985763B (en) | 2019-12-13 | 2019-12-13 | Waterproof structure penetrating through ground source heat pump pipe of concrete foundation slab and construction method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111577994A (en) * | 2020-05-22 | 2020-08-25 | 北京中石天马科技有限公司 | Sealing structure of color steel plate through hole |
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| EP3217057A2 (en) * | 2016-03-07 | 2017-09-13 | gabo Systemtechnik GmbH | Device and method for fixing and sealing a pipe lead through in a wall passage of a building wall |
| CN207228171U (en) * | 2017-06-19 | 2018-04-13 | 北京博千容达新型建材科技有限公司 | Concrete floor waterproofing node is worn under a kind of steel column |
| CN211649317U (en) * | 2019-12-13 | 2020-10-09 | 北京建工集团山西建设有限公司 | Waterproof structure of ground source heat pump pipe penetrating through concrete foundation slab |
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2019
- 2019-12-13 CN CN201911285511.1A patent/CN110985763B/en active Active
Patent Citations (8)
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| CN202418927U (en) * | 2011-12-17 | 2012-09-05 | 浙江陆特能源科技有限公司 | Wall penetration waterproof bushing component of ground source heat pump underground system |
| CN202580323U (en) * | 2012-05-03 | 2012-12-05 | 北京天麟汇通设备安装工程有限公司 | Two-side flexible waterproof sleeve pipe |
| CN202955345U (en) * | 2012-11-22 | 2013-05-29 | 中国建筑第二工程局有限公司 | Flexible waterproof sleeve pipe |
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| CN111577994A (en) * | 2020-05-22 | 2020-08-25 | 北京中石天马科技有限公司 | Sealing structure of color steel plate through hole |
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| CN110985763B (en) | 2024-04-16 |
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