CN113638509A - Secondary pipe penetrating construction technology for concrete floor - Google Patents
Secondary pipe penetrating construction technology for concrete floor Download PDFInfo
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- CN113638509A CN113638509A CN202111029115.XA CN202111029115A CN113638509A CN 113638509 A CN113638509 A CN 113638509A CN 202111029115 A CN202111029115 A CN 202111029115A CN 113638509 A CN113638509 A CN 113638509A
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- Prior art keywords
- pipe
- concrete floor
- ring
- water
- sewer pipe
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
- E04B1/6801—Fillings therefor
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
- E04B1/6803—Joint covers
- E04B1/6804—Joint covers specially adapted for floor parts
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
- E04B1/6806—Waterstops
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention relates to a secondary pipe penetrating construction technology for a concrete floor, which comprises the following steps: s1, drilling pipe holes on the concrete floor and cleaning; s2, coating a first waterproof coating layer; s3, performing a first waterproof test, placing a sewer pipe in the pipe hole, sleeving an upper mounting ring and a lower mounting ring on the sewer pipe, and mounting an expansion mechanism between the upper mounting ring and the lower mounting ring; s4, installing a metal cable tie and a water receiving ring; s5, smearing a water-blocking slope by using the plugging agent; s6, coating a second waterproof coating layer; and S7, performing a second waterproof test, paving a mortar base layer, and paving a ground facing material. The beneficial effects are that: 1. an assembly type construction process is adopted between the sewer pipe and the pipe hole, so that the method is simple and convenient, and the construction period is shortened; 2. so that the expansion mechanism has double functions of supporting and sealing the sewer pipe between the pipe hole and the sewer pipe; 3. in case of water leakage around the sewer pipe, water drops fall into the water receiving ring and then are collected into the transparent water storage pipe, so that the water leakage of the sewer pipe can be found conveniently.
Description
Technical Field
The invention relates to the technical field of sewer pipe installation, in particular to a secondary pipe penetrating construction technology for a concrete floor.
Background
The sewer pipe of the existing building is directly and once poured in the concrete floor slab when the floor slab is poured, the sewer pipe is firmly installed, and the waterproofness between the sewer pipe and the concrete floor slab is good.
However, in the indoor decoration process, the situation of changing the position of the sewer pipe or increasing the sewer pipe is frequently encountered, and the sewer pipe needs to be arranged after the hole is formed in the concrete floor. The following problems exist in secondary pipe penetration at present: 1. all the construction is wet construction, so that the construction layers are multiple, and the construction period is long; 2. the water can drip and feed after leakage occurs, and is not easy to find in a short time.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provides a secondary pipe penetrating construction technology for a concrete floor.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
a secondary pipe penetrating construction technology for a concrete floor comprises the following steps:
s1, drilling a pipe hole on the concrete floor by using a drilling machine, and cleaning the periphery of the pipe hole and the inner wall of the pipe hole;
s2, brushing a first waterproof coating layer on the upper surface of the concrete floor, the inner wall of the pipe hole and the lower surface of the concrete floor around the pipe hole;
s3, plugging the pipe hole to perform a first waterproof test, placing the sewer pipe in the pipe hole after the first waterproof test is qualified, sleeving an upper mounting ring and a lower mounting ring on the sewer pipe, and installing a tensioning mechanism between the inner wall of the pipe hole and the outer side surface of the sewer pipe between the upper mounting ring and the lower mounting ring;
s4, installing a metal binding belt with the bottom end supported on the upper installation ring on the lower water pipe, and installing a water receiving ring sleeved on the lower water pipe on the lower surface of the concrete floor;
s5, coating a conical water-blocking slope around the sewer pipe on the upper surface of the concrete floor by using plugging agent;
s6, coating a second waterproof coating layer on the outer side surface of the sewer pipe above the water-blocking slope, the surface of the water-blocking slope and the upper surface of the concrete floor;
and S7, performing a second waterproof test, paving a mortar base layer and paving a ground facing material after the second waterproof test is qualified.
The invention has the beneficial effects that: 1. the sewer pipe is fixedly installed by matching the upper installation plate, the lower installation plate and the expansion mechanism, so that an assembly type construction process is adopted between the sewer pipe and the pipe hole, simplicity and convenience are realized, and the construction period is shortened; 2. the outer side of the expansion mechanism is tightly extruded with the inner wall of the pipe hole, and the inner side of the expansion mechanism is tightly extruded with the outer side surface of the sewer pipe, so that the expansion mechanism has double functions of supporting and sealing the sewer pipe between the pipe hole and the sewer pipe; 3. the water receiving ring sleeved on the sewer pipe is arranged on the bottom surface of the concrete floor, so that water drops fall into the water receiving ring and then are collected into the transparent water storage pipe in case of water leakage around the sewer pipe, and the water leakage of the sewer pipe can be conveniently found.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic structural diagram of a secondary pipe penetration construction technique according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an assembly of an upper mounting plate, a lower mounting plate and an expansion mechanism in an embodiment of the invention;
FIG. 3 is a top view of a rubber expansion ring in a compressed state according to an embodiment of the present invention;
fig. 4 is a bottom view of the water receiving ring and the transparent water storage pipe when they are assembled according to the embodiment of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 to 4, a secondary pipe penetrating construction technology for a concrete floor includes the following steps:
and S1, drilling a pipe hole 2 on the concrete floor 1 by using a drilling machine, wherein the diameter of the pipe hole is 4cm larger than that of the sewer pipe, and cleaning the periphery of the pipe hole 2 and the inner wall of the pipe hole 2.
S2, brushing a first waterproof coating layer on the upper surface of the concrete floor slab 1, the inner wall of the pipe hole 2 and the lower surface of the concrete floor slab 1 around the pipe hole 2, and performing waterproof protection on the surface of the concrete floor slab by using the first waterproof coating layer to prevent water from permeating into the concrete floor slab.
S3, plugging the pipe hole to perform a first waterproof test, placing the sewer pipe 3 in the pipe hole 2 after the first waterproof test is qualified, sleeving an upper mounting ring 4 and a lower mounting ring 5 on the sewer pipe 3, installing a tensioning mechanism 6 supported between the inner wall of the pipe hole 2 and the outer side surface of the sewer pipe 3 between the upper mounting ring 4 and the lower mounting ring 5, wherein the tensioning mechanism 6 comprises a plurality of hollow rubber tensioning rings 14 and a plurality of compression rings 15 for adjusting the height of the tensioning mechanism, the bottom end of the upper mounting ring 4 is fixedly connected with four half-threaded rods 16 arranged in an annular array, each rubber tensioning ring 14 is provided with four first through holes 20 arranged in an annular array, the lower mounting plate 5 is provided with four second through holes arranged in an annular array, the half-threaded rods 16 are screwed with a check nut 17 after sequentially penetrating through the first through holes 20 and the second through holes from top to bottom, the diameter of the first through holes 20 is smaller than the polished rod part diameter of the half-threaded rods 16, the width of the rubber expansion ring is increased after the rubber expansion ring is subjected to axial extrusion force, so that the outer side of the rubber expansion ring is tightly extruded with the inner wall of the pipe hole, and the inner side of the rubber expansion ring is tightly extruded with the outer side surface of the sewer pipe, so that the rubber expansion ring has double functions of supporting and sealing the sewer pipe between the pipe hole and the sewer pipe; the compression rings 15 are positioned between the upper mounting plate 4 and the rubber expansion ring 14 and between the lower mounting plate 5 and the rubber expansion ring 14; respectively coating a layer of polyurethane sealant at the bottom end of the upper mounting ring 4 and the top end of the lower mounting ring 5 during mounting; an internal thread hole 18 is formed in the center of the upper mounting ring 4, the internal thread hole 18 is in threaded connection with the sewer pipe 3, and PVC glue is coated at the joint of the upper mounting ring 4 and the sewer pipe 3; the center of the lower mounting ring 5 is a round hole 19 with a smooth inner wall, and the inner wall of the round hole 19 is coated with PVC glue and then sleeved on the lower water pipe 3.
S4, installing a metal binding tape 10 with the bottom end supported on the upper installation ring 4 on the lower water pipe 3, improving the stability of the upper installation ring on the support of the lower water pipe by using the metal binding tape, smearing a layer of PVC glue on the inner side surface of the metal binding tape 10 before the metal binding tape 10 is installed, smearing a layer of PVC glue on the surface of the metal binding tape 10 after the installation is finished, and enabling the metal binding tape to be firmly connected with the PVC; the lower surface of a concrete floor slab 1 is provided with a water receiving ring 11 sleeved on a sewer pipe 3, a flange at the periphery of the water receiving ring 11 is arranged at the bottom end of the concrete floor slab 1 by an expansion nail, a rubber sealing gasket is clamped between the flange and the concrete floor slab 1, an inner hole of the water receiving ring 11 is bonded with the sewer pipe 3 by PVC glue, a water outlet 12 is arranged at the bottom of the water receiving ring 11, a transparent water storage pipe 13 is screwed on the water outlet 12, the transparent water storage pipe is used for storing sewage flowing down from the water receiving ring, and the condition of water leakage around the sewer pipe can be found in time.
S5, coating a conical water-blocking slope 7 around the sewer pipe 4 on the upper surface of the concrete floor 1 by using the plugging agent, and blocking sewage seeping onto the concrete floor from flowing towards the sewer pipe by using the water-blocking slope.
S6, brushing a second waterproof coating layer on the outer side surface of the sewer pipe above the water-blocking slope, the surface of the water-blocking slope and the upper surface of the concrete floor, wherein the second waterproof coating layer is of an integral ground waterproof structure after the sewer pipe is installed, and sewage infiltration can be effectively prevented.
And S7, performing a second waterproof test, paving a mortar base layer and paving a ground facing material after the second waterproof test is qualified.
During construction, attention needs to be paid to the following steps:
1. the area of the first waterproof coating layer coated on the lower surface of the concrete floor slab around the pipe hole is larger than that of the flange of the water pan, namely, the top end of the rubber sealing gasket is abutted to the first waterproof layer on the lower surface of the concrete floor slab.
2. And measuring the axial height of the pipe hole after the first waterproof test so as to calculate the using number of the rubber expansion ring and the compression ring in the expansion mechanism.
3. The upper mounting ring and the water inlet tie are completely embedded in the water-blocking slope.
In addition, the compression ring can be clamped between two adjacent rubber expansion rings, and the inner diameter of the rubber expansion ring is 2mm larger than the outer diameter of the sewer pipe and the outer diameter of the rubber expansion ring is 2mm smaller than the diameter of the pipe hole in a natural state. The downcomer and receiving ring are made of PVC, and the upper mounting plate and the lower mounting plate are made of steel plates.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (8)
1. A secondary pipe penetrating construction technology for a concrete floor is characterized by comprising the following steps:
s1, drilling a pipe hole on the concrete floor by using a drilling machine, and cleaning the periphery of the pipe hole and the inner wall of the pipe hole;
s2, brushing a first waterproof coating layer on the upper surface of the concrete floor, the inner wall of the pipe hole and the lower surface of the concrete floor around the pipe hole;
s3, plugging the pipe hole to perform a first waterproof test, placing the sewer pipe in the pipe hole after the first waterproof test is qualified, sleeving an upper mounting ring and a lower mounting ring on the sewer pipe, and installing a tensioning mechanism between the inner wall of the pipe hole and the outer side surface of the sewer pipe between the upper mounting ring and the lower mounting ring;
s4, installing a metal binding belt with the bottom end supported on the upper installation ring on the lower water pipe, and installing a water receiving ring sleeved on the lower water pipe on the lower surface of the concrete floor;
s5, coating a conical water-blocking slope around the sewer pipe on the upper surface of the concrete floor by using plugging agent;
s6, coating a second waterproof coating layer on the outer side surface of the sewer pipe above the water-blocking slope, the surface of the water-blocking slope and the upper surface of the concrete floor;
and S7, performing a second waterproof test, paving a mortar base layer and paving a ground facing material after the second waterproof test is qualified.
2. The secondary pipe penetrating construction technology for the concrete floor slab as claimed in claim 1, wherein in step S3, the expansion mechanism comprises a plurality of hollow rubber expansion rings, N half threaded rods arranged in an annular array are fixedly connected to the bottom end of the upper mounting ring, N first through holes arranged in an annular array are formed in each rubber expansion ring, N second through holes arranged in an annular array are formed in the lower mounting plate, and a lock nut is screwed on the half threaded rods after the half threaded rods sequentially penetrate through the first through holes and the second through holes from top to bottom.
3. The concrete floor secondary pipe penetration construction technology according to claim 2, characterized in that: the diameter of the first through hole is smaller than that of the polished rod part of the semi-threaded rod.
4. The concrete floor secondary pipe penetration construction technology of claim 1, wherein: in the step S3, the expansion mechanism further includes a plurality of compression rings for adjusting the height of the expansion mechanism, and the compression rings are located between the upper mounting plate and the rubber expansion ring, and/or between the lower mounting plate and the rubber expansion ring, and/or between two adjacent rubber expansion rings.
5. The concrete floor secondary pipe penetration construction technology of claim 1, wherein: in step S3, a layer of polyurethane sealant is respectively applied to the bottom end of the upper mounting ring and the top end of the lower mounting ring during mounting.
6. The concrete floor secondary pipe penetration construction technology of claim 1, wherein: in the step S3, an internal thread hole is formed in the center of the upper mounting ring, the internal thread hole is in threaded connection with the sewer pipe, and PVC glue is coated at the joint of the upper mounting ring and the sewer pipe; the center of the lower mounting ring is a round hole with a smooth inner wall, and the inner wall of the round hole is coated with PVC glue and then sleeved on the sewer pipe.
7. The concrete floor secondary pipe penetration construction technology of claim 1, wherein: in step S4, before the metal cable tie is installed, a layer of PVC glue is applied to the inner side of the metal cable tie, and after the installation, a layer of PVC glue is applied to the surface of the metal cable tie.
8. The concrete floor secondary pipe penetration construction technology of claim 1, wherein: in the step S4, the flange on the periphery of the water receiving ring is installed at the bottom end of the concrete floor slab through expansion nails, a rubber sealing gasket is clamped between the flange and the concrete floor slab, an inner hole of the water receiving ring is bonded with a sewer pipe through PVC glue, a water outlet is formed in the bottom of the water receiving ring, and a transparent water storage pipe is screwed on the water outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111029115.XA CN113638509B (en) | 2021-09-01 | 2021-09-01 | Secondary pipe penetrating construction technology for concrete floor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111029115.XA CN113638509B (en) | 2021-09-01 | 2021-09-01 | Secondary pipe penetrating construction technology for concrete floor |
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| Publication Number | Publication Date |
|---|---|
| CN113638509A true CN113638509A (en) | 2021-11-12 |
| CN113638509B CN113638509B (en) | 2022-08-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111029115.XA Active CN113638509B (en) | 2021-09-01 | 2021-09-01 | Secondary pipe penetrating construction technology for concrete floor |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH404319A (en) * | 1962-10-19 | 1965-12-15 | Keller Emil | To check for leaks in plastic pipes to be filled with water, a shut-off valve on such a pipe |
| CN103791169A (en) * | 2014-01-21 | 2014-05-14 | 北京豪特耐管道设备有限公司 | Pipe through-wall waterproof device, construction technology of pipe through-wall waterproof device and heat-insulation pipe with pipe through-wall waterproof device |
| CN111237550A (en) * | 2020-03-24 | 2020-06-05 | 北京恒昌泰建筑工程有限公司 | Water stop joint for mounting building drainage pipeline through floor layer and mounting method thereof |
| CN211821096U (en) * | 2020-03-25 | 2020-10-30 | 王会伟 | Floor waterproof construction for civil engineering |
| CN213541549U (en) * | 2020-10-29 | 2021-06-25 | 新世纪建设集团有限公司 | Waterproof plugging structure of floor pipeline sleeve pipe |
-
2021
- 2021-09-01 CN CN202111029115.XA patent/CN113638509B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH404319A (en) * | 1962-10-19 | 1965-12-15 | Keller Emil | To check for leaks in plastic pipes to be filled with water, a shut-off valve on such a pipe |
| CN103791169A (en) * | 2014-01-21 | 2014-05-14 | 北京豪特耐管道设备有限公司 | Pipe through-wall waterproof device, construction technology of pipe through-wall waterproof device and heat-insulation pipe with pipe through-wall waterproof device |
| CN111237550A (en) * | 2020-03-24 | 2020-06-05 | 北京恒昌泰建筑工程有限公司 | Water stop joint for mounting building drainage pipeline through floor layer and mounting method thereof |
| CN211821096U (en) * | 2020-03-25 | 2020-10-30 | 王会伟 | Floor waterproof construction for civil engineering |
| CN213541549U (en) * | 2020-10-29 | 2021-06-25 | 新世纪建设集团有限公司 | Waterproof plugging structure of floor pipeline sleeve pipe |
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| Publication number | Publication date |
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| CN113638509B (en) | 2022-08-23 |
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