CN113981842A - Construction method of multiple waterproof structures for assembly type culvert joint - Google Patents
Construction method of multiple waterproof structures for assembly type culvert joint Download PDFInfo
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- CN113981842A CN113981842A CN202111251903.3A CN202111251903A CN113981842A CN 113981842 A CN113981842 A CN 113981842A CN 202111251903 A CN202111251903 A CN 202111251903A CN 113981842 A CN113981842 A CN 113981842A
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- culvert section
- water stop
- culvert
- stop strip
- section
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- 238000010276 construction Methods 0.000 title claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 90
- 229920001971 elastomer Polymers 0.000 claims abstract description 33
- 239000004568 cement Substances 0.000 claims description 12
- 239000004746 geotextile Substances 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 238000011144 upstream manufacturing Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 5
- 238000004078 waterproofing Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 4
- 230000018109 developmental process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F5/00—Draining the sub-base, i.e. subgrade or ground-work, e.g. embankment of roads or of the ballastway of railways or draining-off road surface or ballastway drainage by trenches, culverts, or conduits or other specially adapted means
- E01F5/005—Culverts ; Head-structures for culverts, or for drainage-conduit outlets in slopes
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Sewage (AREA)
Abstract
A construction method of a multiple waterproof structure for an assembled culvert joint relates to the technical field of culvert section waterproofing, and comprises a first culvert section and a second culvert section, wherein the tail end of the first culvert section is provided with 1/4 circular arc-shaped drain pipe preformed grooves on the outer side of the water facing surface, the circular arc-shaped drain pipe preformed grooves are distributed on the upper side of the edge of the tail end of the first culvert section and on two side walls, an inflatable water stop belt preformed groove is arranged at the position of about 1/3 in the thickness direction of the first culvert section, the inflatable water stop belt preformed grooves are distributed on the upper side of the tail end joint surface of the first culvert section and on the two side walls, expanded rubber water stop strip preformed grooves are arranged at the positions of about 1/2-2/3 in the thickness direction of the first culvert section, the expanded rubber water stop strip preformed grooves are distributed on the upper side of the tail end joint surface of the first culvert section and on the two side walls, and through drainage side ditches are arranged at the bottom corners of the two side walls at the lower end of the first culvert section, can play a role for a long time, has good durability, and does not need later-period maintenance personnel and cost.
Description
Technical Field
The invention relates to the field of culvert section waterproofing, in particular to a construction method of a multiple waterproof structure for a joint of an assembled culvert.
Background
In the projects such as highways, railways and the like, culvert section projects are inevitably involved. Except that some culvert sections can be used for pedestrians and small vehicles to pass through, most culvert sections are mostly arranged at valley catchment positions or shallow underground water development sections and mainly used for shallow drainage along roads and ensuring safety of roadbed.
With the rapid development of engineering construction technology, compared with cast-in-place construction, the assembled culvert sections are manufactured and maintained in a centralized manner in a factory without being influenced by external environment and climate, and the quality of the culvert sections can be effectively controlled; the manufacturing of the prefabricated part and the work of foundation treatment and foundation treatment on a construction site can be carried out simultaneously without mutual interference, so that the construction period can be greatly shortened; by adopting the modular prefabrication and assembly construction method, the standardized construction level is improved, resources are saved, the pollution of construction to the environment is reduced, the labor production efficiency and the quality safety level are improved, and the construction cost is reduced. For the waterproof structure of the assembled culvert section, a waterproof layer is coated on the surface layer of the joint or a waterproof cover plate is covered on the surface layer of the joint for waterproofing, and meanwhile, various embedded waterproof structures are prepared. However, the waterproof structure cannot fundamentally avoid the hidden trouble of water leakage, and particularly, when the foundation is weak or uneven in hardness, the two sides of the seam of the culvert section inevitably generate relative displacement, so that the waterproof structure is still seriously influenced to form the hidden trouble of water leakage. Once leakage occurs, the underground water is enriched in the foundation soil around the culvert sections and under the culvert sections, the deformation of the foundation soil is increased, and the stability of the roadbed is seriously threatened.
Disclosure of Invention
The invention discloses a construction method of a multiple waterproof structure for a joint of an assembled culvert, aiming at solving the construction problem of water leakage of the assembled culvert section.
A construction method of a multiple waterproof structure for a joint of an assembled culvert comprises a first culvert section and a second culvert section;
1/4 arc-shaped drain pipe reserved grooves are formed in the outer side of the upstream face of the tail end of the first culvert section and distributed on the upper side of the edge of the tail end of the first culvert section and the side walls on the two sides of the edge of the tail end of the first culvert section;
an inflatable water stop preformed groove is arranged at about 1/3 parts in the thickness direction of the first culvert section and is distributed at the upper side and two side walls of the joint surface of the tail end of the first culvert section;
an expansion rubber water stop strip preformed groove is arranged at the position of about 1/2-2/3 in the thickness direction of the first culvert section, and the expansion rubber water stop strip preformed groove is distributed at the upper side of the joint surface of the tail end of the first culvert section and the side walls at the two sides;
the bottom corners of the side walls at the two sides of the lower end of the first culvert section are provided with through drainage side ditches;
the second culvert section has the same structure as the first culvert section;
the method comprises the following steps:
s1, excavating a culvert section foundation pit, and pouring a concrete foundation cushion;
s2, hoisting the first culvert section to the concrete foundation cushion;
s3, placing the left side of the expanded rubber water stop strip and the left side of the inflatable water stop strip inside the first culvert section expanded rubber water stop strip preformed groove and the inflatable water stop strip preformed groove in sequence, and pouring, sealing and fixing the left side of the expanded rubber water stop strip and the left side of the inflatable water stop strip by adopting cement paste;
s4, hoisting the second culvert section to the concrete foundation cushion and butting the second culvert section with the first culvert section;
s5, placing the right side of the expanded rubber water stop strip and the right side of the inflatable water stop strip inside the reserved groove of the second culvert section expanded rubber water stop strip and the reserved groove of the inflatable water stop strip in sequence, and pouring, sealing and fixing the left side and the right side of the inflatable water stop strip by using cement paste;
s6, fixing the arc-shaped drain pipes in the reserved grooves of the arc-shaped drain pipes of the first culvert section and the second culvert section through cement, and enabling the lower ends of the arc-shaped drain pipes to be communicated with the drainage side ditch;
s7, pouring or bonding geotextile at the connection position of the upstream faces of the first culvert section and the second culvert section, sealing the arc-shaped drain pipe by using the geotextile, and extending the left side and the right side of the geotextile to the radial outer side of the arc-shaped drain pipe 14;
s8, filling gaps at the lower end of the expansion rubber water stop strip at the joint of the first culvert section and the second culvert section by using gap filling materials;
and S9, inflating the inflatable water stop belt to a preset pressure after the gap filling material and the cement paste of the joint surfaces of the first culvert section and the second culvert section are solidified.
Compared with the prior art, the multiple waterproof structure disclosed by the invention has the following advantages:
(1) by considering the failure risk of a single structure, when the arc-shaped drain pipe on the outer side is cracked or fails due to external force or differential settlement of a foundation and the like, the middle inflatable water stop can continue to prevent water by utilizing the multiple waterproof structure of the member of the method; when the inflatable water stop belt fails due to air pressure reduction or aging for a long time, the inflatable rubber water stop belt can continuously prevent water so as to achieve multiple waterproof effects;
(2) the construction method of the multiple waterproof structure does not need mechanical equipment, does not disturb the foundation and does not pollute the environment.
(3) The multiple waterproof structure of the member can play a role for a long time by using the method, has good durability, and does not need later maintenance personnel and cost.
Drawings
Figure 1 is a top view of a first culvert section and a second culvert section of the present invention.
Fig. 2 is a cross-sectional view taken at a-a in fig. 1.
Fig. 3 is a partially enlarged view of C in fig. 2.
Fig. 4 is a cross-sectional view taken at B-B in fig. 1.
Figure 5 is a perspective view of the first and second culvert sections.
Detailed Description
Referring to fig. 1 to 5, a construction method of a multi-waterproof structure for a seam of an assembled culvert includes a first culvert section 1 and a second culvert section 2;
1/4 arc-shaped drain pipe preformed grooves 10 are arranged at the outer side of the upstream surface of the tail end of the first culvert section 1, and the arc-shaped drain pipe preformed grooves 10 are distributed at the upper side of the edge of the tail end of the first culvert section 1 and the side walls at the two sides;
an inflatable waterstop preformed groove 11 is arranged at about 1/3 in the thickness direction of the first culvert section 1, and the inflatable waterstop preformed groove 11 is distributed at the upper side and two side walls of the joint surface of the tail end of the first culvert section 1;
an expansion rubber water stop strip preformed groove 12 is arranged at the position of about 1/2-2/3 in the thickness direction of the first culvert section 1, and the expansion rubber water stop strip preformed groove 12 is distributed at the upper side and two side walls of the joint surface of the tail end of the first culvert section 1;
the bottom corners of the side walls at the two sides of the lower end of the first culvert section 1 are provided with through drainage side ditches 13;
the second culvert section 2 has the same structure as the first culvert section 1;
the arc-shaped drain pipe 14 is arranged in the arc-shaped drain pipe reserved grooves 10 of the first culvert section 1 and the second culvert section 2, and the lower end of the arc-shaped drain pipe 14 is communicated with the drain side ditch 13;
the inflatable water stop belt 17 is arranged inside the inflatable water stop belt reserved groove 11 of the first culvert section 1 and the second culvert section 2, the side wall of an inflation pipe of the inflatable water stop belt 17 is abutted against the joint surface of the first culvert section 1 and the second culvert section 2, a water flowing groove 15 is arranged on the upstream side of the inflatable water stop belt 17, the water flowing groove 15 is positioned at the gap between the first culvert section 1 and the second culvert section 2, and the lower end of the water flowing groove 15 is communicated with the drainage side ditch 13;
the expansion rubber water stop strip 16 is arranged inside the expansion rubber water stop strip preformed groove 12 of the first culvert section 1 and the second culvert section 2, and the lower end of the expansion rubber water stop strip preformed groove 12 is flush with the drainage side ditch 13;
a gap at the lower end of the expansion rubber water stop strip 16 at the joint of the first culvert section 1 and the second culvert section 2 is filled with a gap filling layer 19;
the geotextile 18 is laid at the connection part of the upstream surfaces of the first culvert section 1 and the second culvert section 2 in a sealing way and seals the arc-shaped drain pipe 14;
the method comprises the following steps:
s1, excavating a culvert section foundation pit, and pouring a concrete foundation cushion;
s2, hoisting the first culvert section 1 to a concrete foundation cushion;
s3, placing the left side of the expanded rubber water stop strip 16 and the left side of the inflatable water stop strip 17 inside the first culvert section 1 expanded rubber water stop strip preformed groove 12 and the inflatable water stop strip preformed groove 11 in sequence, and pouring, sealing and fixing the left side and the left side by adopting cement paste;
s4, hoisting the second culvert section 2 to the concrete foundation cushion and butting the second culvert section with the first culvert section 1;
s5, placing the right side of the expanded rubber water stop strip 16 and the right side of the inflatable water stop strip 17 inside the expanded rubber water stop strip preformed groove 12 and the inflatable water stop strip preformed groove 11 of the second culvert section 2 in sequence, and pouring, sealing and fixing the expanded rubber water stop strip and the inflatable water stop strip by using cement paste;
s6, fixing the arc-shaped drain pipe 14 inside the arc-shaped drain pipe reserved grooves 10 of the first culvert section 1 and the second culvert section 2 through cement, and enabling the lower end of the arc-shaped drain pipe 14 to be communicated with the drain side ditch 13;
s7, pouring or bonding geotextile 18 at the connection position of the upstream faces of the first culvert section 1 and the second culvert section 2, sealing the arc-shaped drain pipe 14 by using the geotextile 18, and extending the left side and the right side of the geotextile 18 to the radial outer side of the arc-shaped drain pipe 14;
s8, filling gaps at the lower end of the expansion rubber water stop strip 16 at the joint surface of the first culvert section 1 and the second culvert section 2 by using gap filling materials;
s9, inflating the inflatable water stop 17 to a preset pressure after the joint gap filling material and the cement paste of the first culvert section 1 and the second culvert section 2 are solidified.
The construction of the culvert section concrete foundation mat and the bilateral drainage side ditches 13 belongs to the common general knowledge in the field and is a conventional technology.
The inflatable water stop 17 is an inflatable water stop with a hollow structure, the inflatable water stop 17 is made of ethylene propylene diene monomer rubber materials, and after the water stop is buried and buried, the water stop 17 is inflated inwards to preset air pressure through an inflation hole to be tightly attached to concrete of a culvert section joint surface, so that the water stop purpose is achieved.
The arc-shaped drain pipe 14, the inflatable water stop 17 and the expansion rubber water stop 16 are equal in length.
The geotextile 18 can be used as a first waterproof layer, if the geotextile 18 is damaged, seeped water can be discharged from the arc-shaped drain pipe 14, if the arc-shaped drain pipe 14 is damaged, the seeped water can flow to the drainage side ditch 13 from the water flowing groove 15 at the upper end of the inflatable water stop strip 17, if the inflatable water stop strip 17 is damaged, the inflatable water stop strip 16 can play a waterproof role, and if the inflatable water stop strip 16 is damaged, the joint filling layer 19 can play a waterproof role. Utilize multiple waterproof construction to avoid containing the festival and appear the phenomenon of leaking, adopt multiple joint filling material simultaneously, a small amount of seepage appears in upper waterproof construction, also can play certain waterproof effect, and the water that stretches out can be blockked by lower floor's waterproof construction, can reduce lower floor's waterproof construction's waterproof pressure to a certain extent.
Claims (1)
1. A construction method of a multiple waterproof structure for a joint of an assembled culvert is characterized by comprising the following steps:
comprises a first culvert section (1) and a second culvert section (2);
1/4 arc-shaped drain pipe preformed grooves (10) are arranged at the outer side of the upstream surface of the tail end of the first culvert section (1), and the arc-shaped drain pipe preformed grooves (10) are distributed at the upper side of the edge of the tail end of the first culvert section (1) and the side walls at the two sides;
an inflatable water stop preformed groove (11) is arranged at the 1/3 position in the thickness direction of the first culvert section (1), and the inflatable water stop preformed groove (11) is distributed at the upper side of the joint surface of the tail end of the first culvert section (1) and the side walls at the two sides;
the expanded rubber water stop strip preformed grooves (12) are arranged at 1/2-2/3 in the thickness direction of the first culvert section (1), and the expanded rubber water stop strip preformed grooves (12) are distributed at the upper side and two side walls of the joint surface of the tail end of the first culvert section (1);
the bottom corners of the side walls at the two sides of the lower end of the first culvert section (1) are provided with through drainage side ditches (13);
the second culvert section (2) has the same structure as the first culvert section (1);
the method comprises the following steps:
s1, excavating a culvert section foundation pit, and pouring a concrete foundation cushion;
s2, hoisting the first culvert section (1) to a concrete foundation cushion;
s3, placing the left side of the expanded rubber water stop strip (16) and the left side of the inflatable water stop strip (17) inside the expanded rubber water stop strip preformed groove (12) and the inflatable water stop strip preformed groove (11) of the first culvert section (1) in sequence, and pouring cement paste to seal and fix the expanded rubber water stop strip preformed groove and the inflatable water stop strip preformed groove;
s4, hoisting the second culvert section (2) to the concrete foundation cushion and butting the second culvert section with the first culvert section (1);
s5, placing the right side of the expanded rubber water stop strip (16) and the right side of the inflatable water stop strip (17) inside the expanded rubber water stop strip preformed groove (12) and the inflatable water stop strip preformed groove (11) of the second culvert joint (2) in sequence, and pouring, sealing and fixing the expanded rubber water stop strip and the inflatable water stop strip by using cement paste;
s6, fixing the arc-shaped drain pipe (14) inside the arc-shaped drain pipe reserved grooves (10) of the first culvert section (1) and the second culvert section (2) through cement, and enabling the lower end of the arc-shaped drain pipe (14) to be communicated with the drainage side ditch (13);
s7, pouring or bonding geotextile (18) at the connection part of the upstream faces of the first culvert section (1) and the second culvert section (2), sealing the arc-shaped drain pipe (14) by using the geotextile (18), and extending the left side and the right side of the geotextile (18) to the radial outer side of the arc-shaped drain pipe (14);
s8, filling gaps at the lower end of the expansion rubber water stop strip (16) at the joint surface of the first culvert section (1) and the second culvert section (2) by using gap filling materials;
s9, inflating the inflatable water stop (17) to a preset pressure after the joint gap filling material and the cement paste of the first culvert section (1) and the second culvert section (2) are solidified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111251903.3A CN113981842A (en) | 2021-10-26 | 2021-10-26 | Construction method of multiple waterproof structures for assembly type culvert joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111251903.3A CN113981842A (en) | 2021-10-26 | 2021-10-26 | Construction method of multiple waterproof structures for assembly type culvert joint |
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| Publication Number | Publication Date |
|---|---|
| CN113981842A true CN113981842A (en) | 2022-01-28 |
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| CN202111251903.3A Pending CN113981842A (en) | 2021-10-26 | 2021-10-26 | Construction method of multiple waterproof structures for assembly type culvert joint |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001040747A (en) * | 1999-07-30 | 2001-02-13 | Seibu Polymer Corp | Culvert joint for high water pressure |
| CN104018858A (en) * | 2014-06-11 | 2014-09-03 | 云南省交通规划设计研究院 | Novel water stopping structure for tunneling seam in permafrost region |
| CN204082174U (en) * | 2014-01-19 | 2015-01-07 | 陈志敏 | A kind of tunnel water-stopping structure with blind pipe |
| CN209194375U (en) * | 2018-10-24 | 2019-08-02 | 南京河川建设工程有限公司 | Waterproof construction for box culvert deformation joint |
| CN212200114U (en) * | 2020-05-14 | 2020-12-22 | 中建二局基础设施建设投资有限公司 | Combined integrally-assembled superposed box culvert |
-
2021
- 2021-10-26 CN CN202111251903.3A patent/CN113981842A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001040747A (en) * | 1999-07-30 | 2001-02-13 | Seibu Polymer Corp | Culvert joint for high water pressure |
| CN204082174U (en) * | 2014-01-19 | 2015-01-07 | 陈志敏 | A kind of tunnel water-stopping structure with blind pipe |
| CN104018858A (en) * | 2014-06-11 | 2014-09-03 | 云南省交通规划设计研究院 | Novel water stopping structure for tunneling seam in permafrost region |
| CN209194375U (en) * | 2018-10-24 | 2019-08-02 | 南京河川建设工程有限公司 | Waterproof construction for box culvert deformation joint |
| CN212200114U (en) * | 2020-05-14 | 2020-12-22 | 中建二局基础设施建设投资有限公司 | Combined integrally-assembled superposed box culvert |
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Application publication date: 20220128 |
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