CN109469063A - Cooling water pipe device suitable for thin wall concrete - Google Patents
Cooling water pipe device suitable for thin wall concrete Download PDFInfo
- Publication number
- CN109469063A CN109469063A CN201811394243.2A CN201811394243A CN109469063A CN 109469063 A CN109469063 A CN 109469063A CN 201811394243 A CN201811394243 A CN 201811394243A CN 109469063 A CN109469063 A CN 109469063A
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- cooling water
- pipe
- concrete
- water pipe
- thin wall
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- 239000000498 cooling water Substances 0.000 title claims abstract description 102
- 239000004567 concrete Substances 0.000 title claims abstract description 77
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 55
- 239000000463 material Substances 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 229920001903 high density polyethylene Polymers 0.000 claims description 7
- 239000004700 high-density polyethylene Substances 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000010276 construction Methods 0.000 abstract description 3
- 238000007796 conventional method Methods 0.000 abstract description 2
- 238000004227 thermal cracking Methods 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 description 5
- 239000002689 soil Substances 0.000 description 4
- 230000015271 coagulation Effects 0.000 description 3
- 238000005345 coagulation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The present invention relates to a kind of cooling water pipe devices suitable for thin wall concrete, belong to concrete pouring construction technical field.The snakelike arrangement cooling water round tube water flowing in thin wall concrete structure for conventional method, existing narrow side direction temperature gradient is big, DIE Temperature area temperature drop is slow, is unable to the problems such as zonal control flow, the arrangement of cooling water pipe is rationally designed according to the space D of cooling water pipe and the thickness L of concrete in the present invention, reduces concrete narrow side temperature gradient；Using being parallel transversely disposed for oval water pipe, cooling water first enters from concrete body center in parallel, it is adjusted by the flow of different elevation water pipes, the cooling water intake of Precise control different parts, can effectively solve traditional cooling water round tube according to it is snakelike arrangement and the existing above problem, remove the cost of cooling water commutation from, while equipment component reuses.The device can effectively promote thin wall concrete quality, reduce the Probability of thermal cracking.
Description
Technical field
The present invention relates to a kind of cooling water pipe devices suitable for thin wall concrete, belong to concrete pouring construction technology neck
Domain.
Background technique
In hydroelectric project field, the method for pre-buried cooling water pipe is widely used in temperature of concrete during construction control process
In.But in the thin wall concretes structure such as cavern's lining cutting, conventional method buries round tube and water flowing is cooling, often brings actual
Engineering problem, one is the narrow side direction temperature drop speed of thin wall concrete is often too fast, temperature gradient is larger, Surface Quality is not
Benefit；The second is the water flow of snakelike arrangement water pipe is when reaching concrete body center, cooling water temperature is higher, at this time to mixed
The control effect of solidifying soil core high temperature is limited.It is narrow the result is that concrete core temperature is more difficult to be down to desired temperature caused by this way
Edge direction temperature gradient is larger, crack easily occurs, influences concrete quality, and What is more will affect cavern's overcurrent or operation peace
Row.So the arrangement of cooling water pipe and water flowing are important problem in strict control thin wall concrete structure.
Summary of the invention
The first technical problem to be solved by the present invention is: providing a kind of cooling water pipe dress suitable for thin wall concrete
It sets, narrow side temperature gradient can be reduced.
To solve above-mentioned technical problem the technical scheme adopted by the invention is that: the cooling water pipe suitable for thin wall concrete
Device, including concrete and the cooling water pipe being arranged in concrete, cooling water pipe is set to the middle position in concrete thickness direction
It sets, Hun coagulates Tu Hou Du≤1.5m, and the flow section of cooling water pipe is round or oval；
When the space D of cooling water pipe is identical as the thickness L of concrete, the flow section of cooling water pipe is circle, cooling water
The interior diameter of pipe is 20mm~30mm；
When the space D of cooling water pipe and the thickness L difference of concrete, the flow section of cooling water pipe is ellipse, is located at
The axis in concrete thickness direction is set as axis b, another axis is set as axis a；The length of axis b is 20mm~30mm, the length of axis a
Thickness L × axis b length of the space D ÷ concrete of=cooling water pipe.
In addition, the present invention also can be used following preferred further to solve the problems, such as that concrete core temperature temperature drop is slower
Technical solution:
Cooling water pipe uniform intervals in concrete arrange more, and every cooling water pipe is stretched from concrete both sides of the face
Connect out and in endface with outlet pipe；The medium position of every cooling water pipe connects water inlet pipe, water inlet by connecting tube respectively
Pipe connects in the outer surface medium position and connecting tube of concrete.
Further, cooling water pipe includes left side pipe and right side pipe, left side pipe and right side pipe by tee tube connector and
Connecting tube is connected；Three interfaces of tee tube connector are internal screw thread outer sleeve structure；Left side pipe, right side pipe, connecting tube exist
Compatible external screw thread, which is disposed as, with the interface end of tee tube connector embeds pipe structure.
Further, cooling water pipe is connected with outlet pipe by jointing；Connecting tube is with water inlet pipe by connecing
Head connects；Two end interfaces of jointing are internal screw thread outer sleeve structure；Cooling water pipe, outlet pipe, connecting tube, water inlet pipe are equal
It is provided with external screw thread compatible with jointing and embeds pipe structure.
Further, being provided with duct type flowmeter and valve on the corresponding water inlet pipe of every cooling water pipe.
Further, cooling water pipe, outlet pipe, connecting tube, water inlet pipe are using HDPE or steel material pipeline, wall thickness
2mm~4mm.
The beneficial effects of the present invention are:
(1) reduce concrete narrow side temperature gradient.The arrangement of cooling water pipe is according to the space D and coagulation of cooling water pipe
The thickness L of soil is rationally designed.In the thin wall concretes structure such as cavern's lining cutting, normally, the space D of cooling water pipe is big
In the thickness L of concrete, as example, the present invention reduces attacking and occupying in thin wall concrete narrow side direction using oval water pipe
Size increases the size of attacking and occupying in longitudinal direction, and whole temperature control isopleth is adapted with the body of concrete, reduces coagulation
The temperature gradient in native narrow side direction, reduces the occurrence probability of thermal cracking.
(2) priority acccess control concrete core temperature.Cooling water enters from the center of concrete in parallel first, guarantees mixed
Solidifying soil body center maximum temperature is controlled first.Cooling water is flowed from centre to both sides, i.e., from high-temperature region to low-temperature space stream
It is dynamic consistent with temperature requirements.
(3) accurate zonal control flow.Every water inlet pipe is provided with duct type flowmeter and valve, can carry out subregion
Control.Under the premise of keeping high-temperature area larger flow, reduces the flow in the region of obvious temperature drop, reach accurate control
Purpose.
(4) cooling water commutation cost is avoided.The invention avoids traditional cooling waters, and separated in time to be needed to carry out conversion side
To operation, reduce cost and the manual labor of equipment.
(5) the duct type flowmeter of device, valve, outer water tube are Ke Xunhuanliyong, meet economic, energy-efficient requirement.
Detailed description of the invention
Fig. 1 is the front view of the prior art.
Fig. 2 is the side view of the prior art.
Fig. 3 is front view of the invention.
Fig. 4 is side view of the invention.
Fig. 5 is top view of the invention.
Components mark in figure: 1- concrete, 2- cooling water pipe, 3- outlet pipe, 4- water inlet pipe, 5- connecting tube, 6- tri- branch off
Pipe fitting, 7- duct type flowmeter, 8- valve, 9- high temperature range schematic lines, 10- high temperature range schematic lines, 11- are cooling to be influenced
Schematic lines, 12- outfall sewer, 13- water inlet manifold.
Specific embodiment
For ease of understanding with the implementation present invention, the preferred embodiment of the present invention combination attached drawing is selected to be described further.
As shown in Figures 3 to 5, the present invention includes concrete 1 and the cooling water pipe 2 that is arranged in concrete 1, cooling water pipe
2 are set to the medium position of 1 thickness direction of concrete, 1 Hou Du≤1.5m of concrete, the flow section of cooling water pipe 2 be it is round or
Ellipse；When the space D of cooling water pipe 2 is identical as the thickness L of concrete 1, the flow section of cooling water pipe 2 is circle, cooling
The interior diameter of water pipe 2 is 20mm~30mm；When the space D of cooling water pipe 2 and the thickness L difference of concrete 1, cooling water pipe 2
Flow section is ellipse, positioned at the axis of 1 thickness direction of concrete is set as axis b, another axis is set as axis a；The length of axis b
For 20mm~30mm, thickness L × axis b length of the space D ÷ concrete 1 of length=cooling water pipe 2 of axis a.
The present invention closes the arrangement of cooling water pipe 2 according to the space D of cooling water pipe 2 and the thickness L of concrete 1
Reason design.Above-mentioned arrangement can be applied to traditional spiral coil cooling tube road, to reduce concrete narrow side temperature gradient.
Further to solve the problems, such as that concrete core temperature temperature drop is slower, following preferred technology is also can be used in the present invention
Scheme: the uniform intervals in concrete 1 of cooling water pipe 2 arrange more, and every cooling water pipe 2 is stretched from 1 both sides of the face of concrete
Connect out and in endface with outlet pipe 3；The medium position of every cooling water pipe 2 passes through connecting tube 5 respectively and connects water inlet pipe 4,
Water inlet pipe 4 connects in the outer surface medium position and connecting tube 5 of concrete 1.
For convenience of the assembling of the cooling water pipe 2 in concrete 1, cooling water pipe 2 includes left side pipe and right side pipe, left side pipe and
Right side pipe is connected by tee tube connector 6 with connecting tube 5；Three interfaces of tee tube connector 6 are internal screw thread outer tube knot
Structure；Left side pipe, right side pipe, connecting tube 5 are disposed as compatible external screw thread in the interface end with tee tube connector 6 and embed pipe knot
Structure.
Water inlet pipe 4 and outlet pipe 3 need to be removed in the later period, and for convenience of pipeline dismounting, cooling water pipe 2 and outlet pipe 3 pass through company
Connector connects；Connecting tube 5 is connected with water inlet pipe 4 by jointing；Two end interfaces of jointing are internal screw thread housing
Pipe structure；It is embedded that cooling water pipe 2, outlet pipe 3, connecting tube 5, water inlet pipe 4 are provided with external screw thread compatible with jointing
Pipe structure.The outer water tube of device is Ke Xunhuanliyong simultaneously, meets economic, energy-efficient requirement.
Duct type flowmeter 7 and valve 8 are provided on the every corresponding water inlet pipe 4 of cooling water pipe 2.Every water inlet pipe 4
It is provided with duct type flowmeter 7 and valve 8, zonal control can be carried out.Under the premise of keeping high-temperature area larger flow,
The flow for reducing the region of obvious temperature drop, achievees the purpose that accurately to control.
Economical and practical to make, cooling water pipe 2, outlet pipe 3, connecting tube 5, water inlet pipe 4 use HDPE or steel material pipe
Road, wall thickness are 2mm~4mm.Material production identical with pipeline can be used in tee tube connector 6 and jointing.
Preferred embodiment:
The present invention is implemented in the side wall lining concrete structure of certain cavern, by cooling water pipe 2, tee tube connector 6,
The components such as water inlet pipe 4, outlet pipe 3, jointing, connecting tube 5, duct type flowmeter 7, valve 8 composition.
Cooling water pipe 2, for the main component of cooling water flowing, material is HDPE or steel hollow elliptical tube, wall thickness be 2mm~
4mm.When implementation, the determination work of 2 size of oval cooling water pipe is carried out first.Lining concrete pours thickness in the present embodiment
For 80cm, 2 spacing of cooling water pipe is 100cm, and the length of elliptical section axis b is 30mm (straight referring to conventional chilling water round tube
Diameter), it is 37.5mm by the length that formula calculates shaft a.The thickness direction of concrete 1 is arranged in axis b, and axis a is arranged in coagulation
The elevation direction of soil 1.Cooling water pipe 2 fades to the round tube that diameter is a in both ends joint body, is the embedded pipe of external screw thread
Joint structure.
Then the cooling water pipe 2 is moved to working face to start to assemble, elevation interval 100cm setting.Each elevation point left half
Side and right half of respectively one pipeline of arrangement.Left side pipe is connected with the effective tee tube connector 6 in right side.
6 material of tee tube connector is HDPE or steel hollow pipe.Longitudinal direction connects with two oval cooling water pipes 2,
Short side direction is connected by connecting tube 5 with water inlet pipe 4.Three connectors of tee tube connector 6 are internal screw thread outer sleeve structure, ruler
It is very little to be adapted with water pipe head.
The water inlet pipe 4 perpendicular to 2 direction of cooling water pipe is connected by connecting tube 5 and jointing at tee tube connector 6,
The cooling water pipe 2 of each elevation has independent water inlet pipe 4, and valve 8 is arranged on water inlet pipe 4, matches duct type stream as needed
Meter 7.Every water inlet pipe 4 is respectively provided with duct type flowmeter 7 in the present embodiment.Duct type flowmeter 7 and valve 8 are conventional produce
Product.Water inlet pipe 4 passes through water inlet 13 external cooling resource of water supplys of supervisor.Connecting tube 5,4 material of water inlet pipe are HDPE or steel hollow
Round tube.
Left side pipe external end head, the right side pipe external end head of cooling water pipe 2 pass through jointing respectively and connect with outlet pipe 3.Out
Water pipe 3 passes through at the external cooling water source of outfall sewer 12 or other collections.3 material of outlet pipe is HDPE or steel hollow is round
Pipe.
Two end interfaces of jointing used in outlet pipe 3 and water inlet pipe 4 are internal screw thread outer sleeve structure；Cooling water
Pipe 2, outlet pipe 3, connecting tube 5, water inlet pipe 4 are provided with external screw thread compatible with jointing and embed pipe structure.
After cooling water pipe 2 assembles, start casting concrete 1.According to temperature monitoring situation, every cooling water pipe 2 is adjusted
Water flowing flow, to achieve the effect that uniform temperature drop.
The present embodiment passes through the parallel unidirectional arrangement of oval cooling water pipe 2, and cooling water enters from high-temperature region, priority acccess control
High-temperature region temperature.Water flows through the left and right sides and flows respectively, and under the action of oval cooling water pipe 2, temperature influences line
Variation, the temperature gradient along 1 thickness direction of concrete reduce.Meanwhile it not needing to carry out the operation that cooling water changes water flowing direction.
According to the data that each spot temperature monitors, water flowing is adjusted by the valve 8 on the corresponding water inlet pipe 4 of corresponding elevation cooling water pipe 2
Flow achievees the purpose that the whole uniform decrease in temperature of concrete 1.
Claims (6)
1. being suitable for the cooling water pipe device of thin wall concrete, including concrete (1) and the cooling water being arranged in concrete (1)
It manages (2), cooling water pipe (2) is set to the medium position of concrete (1) thickness direction, and (1) Hou Du≤1.5m, feature exist concrete
In: the flow section of cooling water pipe (2) is round or oval；
When the space D of cooling water pipe (2) is identical as the thickness L of concrete (1), the flow section of cooling water pipe (2) is circle, cold
But the interior diameter of water pipe (2) is 20mm~30mm；
When the space D of cooling water pipe (2) and the thickness L difference of concrete (1), the flow section of cooling water pipe (2) is ellipse,
Positioned at the axis of concrete (1) thickness direction is set as axis b, another axis is set as axis a；The length of axis b is 20mm~30mm, axis
Thickness L × axis b length of the space D ÷ concrete (1) of length=cooling water pipe (2) of a.
2. being suitable for the cooling water pipe device of thin wall concrete as described in claim 1, it is characterised in that: cooling water pipe (2)
More are arranged in concrete (1) interior uniform intervals, and every cooling water pipe (2) is stretched out and held from concrete (1) both sides of the face
Connect at face with outlet pipe (3)；The medium position of every cooling water pipe (2) passes through connecting tube (5) connection water inlet pipe (4) respectively,
Water inlet pipe (4) connects in the outer surface medium position and connecting tube (5) of concrete (1).
3. being suitable for the cooling water pipe device of thin wall concrete as claimed in claim 2, it is characterised in that: cooling water pipe (2)
Including left side pipe and right side pipe, left side pipe and right side pipe are connected by tee tube connector (6) with connecting tube (5)；Tee tube connects
Three interfaces of head (6) are internal screw thread outer sleeve structure；Left side pipe, right side pipe, connecting tube (5) with tee tube connector (6)
Interface end be disposed as compatible external screw thread embed pipe structure.
4. being suitable for the cooling water pipe device of thin wall concrete as claimed in claim 2, it is characterised in that: cooling water pipe (2)
Connected with outlet pipe (3) by jointing；Connecting tube (5) is connected with water inlet pipe (4) by jointing；The two of jointing
End interface is internal screw thread outer sleeve structure；Cooling water pipe (2), outlet pipe (3), connecting tube (5), water inlet pipe (4) are provided with
External screw thread compatible with jointing embeds pipe structure.
5. the cooling water pipe device suitable for thin wall concrete as described in any one of claim 2 to 4, feature exist
In: duct type flowmeter (7) and valve (8) are provided on the corresponding water inlet pipe (4) of every cooling water pipe (2).
6. the cooling water pipe device suitable for thin wall concrete as described in any one of claim 2 to 4, feature exist
In: cooling water pipe (2), outlet pipe (3), connecting tube (5), water inlet pipe (4) use HDPE or steel material pipeline, wall thickness 2mm
~4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811394243.2A CN109469063B (en) | 2018-11-21 | 2018-11-21 | Cooling water pipe device suitable for thin-wall concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811394243.2A CN109469063B (en) | 2018-11-21 | 2018-11-21 | Cooling water pipe device suitable for thin-wall concrete |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109469063A true CN109469063A (en) | 2019-03-15 |
| CN109469063B CN109469063B (en) | 2023-11-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811394243.2A Active CN109469063B (en) | 2018-11-21 | 2018-11-21 | Cooling water pipe device suitable for thin-wall concrete |
Country Status (1)
| Country | Link |
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| CN (1) | CN109469063B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110359455A (en) * | 2019-08-16 | 2019-10-22 | 中国电建集团成都勘测设计研究院有限公司 | Provisions for grouting applied to cooling water pipe peripheral temperature seam |
| CN112647539A (en) * | 2020-12-31 | 2021-04-13 | 濮阳市建设工程质量监督站 | Basement concrete waterproof construction structure and construction method thereof |
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| CN110359455A (en) * | 2019-08-16 | 2019-10-22 | 中国电建集团成都勘测设计研究院有限公司 | Provisions for grouting applied to cooling water pipe peripheral temperature seam |
| CN112647539A (en) * | 2020-12-31 | 2021-04-13 | 濮阳市建设工程质量监督站 | Basement concrete waterproof construction structure and construction method thereof |
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| Publication number | Publication date |
|---|---|
| CN109469063B (en) | 2023-11-07 |
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