CN110259110A - Composite shuttering structure and construction method suitable for mass concrete Winter protection - Google Patents
Composite shuttering structure and construction method suitable for mass concrete Winter protection Download PDFInfo
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- CN110259110A CN110259110A CN201910559906.XA CN201910559906A CN110259110A CN 110259110 A CN110259110 A CN 110259110A CN 201910559906 A CN201910559906 A CN 201910559906A CN 110259110 A CN110259110 A CN 110259110A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/02—Selection of the hardening environment
- C04B40/0277—Hardening promoted by using additional water, e.g. by spraying water on the green concrete element
- C04B40/029—Hardening promoted by using additional water, e.g. by spraying water on the green concrete element using an aqueous solution or dispersion
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G9/00—Forming or shuttering elements for general use
- E04G9/10—Forming or shuttering elements for general use with additional peculiarities such as surface shaping, insulating or heating, permeability to water or air
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Abstract
The present invention provides a kind of composite shuttering structure and construction method suitable for mass concrete Winter protection, it includes the heat conducting pipe and insulating layer for being arranged in template back surface, heat conducting pipe further includes the cooling water pipe being arranged in concrete between insulating layer and template back surface；The water inlet of cooling water pipe is connect with heat exchange box, the water outlet of cooling water pipe and one end of heat conducting pipe connect, the other end of heat conducting pipe is connect with heat exchange box, so that cooling water is after the cooling water pipe heat exchange in concrete, it enters in heat conducting pipe and recycles, the temperature of climbing shuttering reduces the temperature difference between inside concrete and surface.It in work progress, is required according to default temperature control, cooling water is passed through in cooling water pipe, under the premise of meeting temperature control requirement, it is ensured that inside concrete and surface temperature difference are poor no more than preset temperature；Realize the construction of mass concrete Winter protection.The present invention takes full advantage of the heat of hydration, has reached the standard of winter construction heat preservation, and reduces construction cost.
Description
Technical field
It is especially a kind of suitable for mass concrete Winter protection the present invention relates to mass concrete construction field
Composite shuttering structure and construction method.
Background technique
In recent years, the large size in China, mega-construction project are increasing, and mass concrete engineering is also more and more.It is special
Point is that length, width, thickness are larger, and concreting face and the amount of pouring are big, and hydration heat of cement is released in casting process
It puts and compares concentration, inside heating is than very fast.Not according to the temperature difference of the regulation inside concrete of concrete construction specification and outer surface
Can exceed that 25 DEG C, when to prevent temperature difference between inside and outside concrete to be more than 25 DEG C, concrete generate thermal cracking, influence structure safety and just
It is often used, maintenance measure need to be taken.It is limited by the duration of a project, particular across the project in winter, carries out large volume knot in winter
Structure object is constructed frequent occurrence, and to mass concrete maintenance, there are higher technical difficulty, and the maintenance protected outside interior drop is usually taken
Measure, inside not can avoid following problems by arrangement cooling tube cooling, external covering and heat insulating maintenance:
(1) easy heat radiation, the maximum temperature of inside concrete be not most to occur pouring generally up to 60~65 DEG C for mass concrete
Initial 3~5 days after building, and the partial heat is not often utilized, energy consumption is higher.
(2) because concrete curing is needed in specific temperature and damp condition, winter temperature is extremely difficult to curing requirements, therefore
Unit in charge of construction conserves this kind of structure using many methods, increases very big construction cost.
Chinese patent literature CN20416414U describes a kind of intelligent temperature control concrete heated die plate constructing device, wherein
It refers to that heating blanket or heating material are arranged on concrete blinding, cooperation form insulation is constituted.And describe the setting of displacer 9
Heat exchange is carried out in concrete.During concrete initial set, the liquid that the heat of hydration of release is set in parallel operation 9 takes to mixed
Except solidifying soil, this partial heat is wasted.In this scenario, thermal insulation material is using thermal insulating materials such as glass, rock wool, alumina silicate
Material, to avoid fire is caused.One kind is described in Chinese patent literature CN102852145A is building dam concrete intelligent temperature
Control method and system, the cooling stage that concrete is described includes three phases, is the first period cooling respectively, and mid-term is cooling
And second-stage cooling, and during mid-term cooling and second-stage cooling, further respectively have the generally linear temperature control of temperature inversion
Stage.The concrete mean temperature for predicting next age according to current concrete temperature and water flowing flow is also described, and is given
Algorithm is gone out.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of compound dies suitable for mass concrete Winter protection
Hardened structure and construction method can make full use of the heat of hydration that mass concrete generates during initial set, reduce large volume
Energy consumption during concreting in cold weather.And it is easy to implement the maintenance criteria of mass concrete.
In order to solve the above technical problems, the technical scheme adopted by the invention is that: one kind being suitable for the mass concrete winter
The composite shuttering structure of Ji Baowen, it includes the heat conducting pipe and insulating layer for being arranged in template back surface, heat conducting pipe be located at insulating layer with
It further include the cooling water pipe being arranged in concrete between template back surface；
The water inlet of cooling water pipe is connect with heat exchange box, and the water outlet of cooling water pipe and one end of heat conducting pipe connect, heat conducting pipe
The other end is connect with heat exchange box, so that cooling water is entered in heat conducting pipe and is recycled after the cooling water pipe heat exchange in concrete,
The temperature of climbing shuttering reduces the temperature difference between inside concrete and surface.
In preferred scheme, the insulating layer is flame retardant extrusion moulding polystyrene plate.
In preferred scheme, the structure of the insulating layer are as follows: multiple lug bosses, the lug boss are equipped in base
It is corresponding with template back surface notch shape.
In preferred scheme, the cooling water pipe arranges that heat conducting pipe is also along concrete delamination along concrete delamination
Arrangement, cooling water pipe are connect by the first collecting pipe with heat exchange box, and the position of the water outlet of heat exchange box is equipped with the pump of adjustable flow velocity；
Heat conducting pipe is connect by the second collecting pipe with heat exchange box；
It is equipped with outlet temperature sensor in the entrance location of heat conducting pipe, is passed in the outlet port of heat conducting pipe equipped with water return outlet temperature
Sensor, the flow velocity pumped by the feedback regulation of outlet temperature sensor.
In preferred scheme, it is additionally provided with electric heating wire at the back side of template, or be equipped with heating layer at the back side of insulating layer,
The electromagnetic coil for making template generate heat is equipped in heating layer.
In preferred scheme, distributed fiberoptic sensor is equipped in concrete, distributed fiberoptic sensor and acquisition fill
Set electrical connection；
Multiple temperature sensors are equipped in concrete, wherein at least one is located at the middle position of concrete, also at least
One is located at close to the position of concrete surface, and temperature sensor is electrically connected with acquisition device.
In preferred scheme, cooling water pipe is in concrete at snakelike arrangement；
Or cooling water pipe in concrete at screw arrangement, the water inlet of cooling water pipe is located at the middle position of helical structure,
The water outlet of cooling water pipe is located at the marginal position of helical structure.
A kind of construction method using the above-mentioned composite shuttering structure suitable for mass concrete Winter protection, including
Following steps:
S1, heat conducting pipe and insulating layer are installed in template back surface；
S2, large volume concrete structural arrange cooling water pipe before pouring, and arrange temperature sensor；
S3, pass through pull rod installation template；
S4, the water inlet of cooling water pipe is connect with heat exchange box, pump, the water outlet of cooling water pipe are installed in the position of heat exchange box outlet
It is connect with one end of heat conducting pipe, the other end of heat conducting pipe is connect with heat exchange box；
Outlet temperature sensor and water return outlet temperature sensor is respectively set at the both ends of heat conducting pipe；
S5, it is required according to default temperature control, cooling water is passed through in cooling water pipe, under the premise of meeting temperature control requirement, it is ensured that mixed
Solidifying soil is internal poor no more than preset temperature with surface temperature difference；
The construction of mass concrete Winter protection is realized by above step.
In preferred scheme, required and temperature sensor, the outlet temperature sensor in concrete according to default temperature control
Feedback control cooling water pipe in cooling water water flowing flow；
Judge whether starting auxiliary heating according to the difference between outlet temperature sensor and water return outlet temperature sensor.
In preferred scheme, the temperature sensor includes distributed fiberoptic sensor and temperature sensor；
Wherein, distributed fiberoptic sensor is laid at least along temperature change direction, and temperature sensor is at least in concrete
Portion and surface respectively lay one, and the temperature rate of change of concrete is detected by distributed fiberoptic sensor, passes through temperature sensing
Device is corrected the prison detection data of distributed fiberoptic sensor.
A kind of composite shuttering structure and construction method suitable for mass concrete Winter protection provided by the invention, with
The prior art is compared, and has beneficial effect below.
1, the present invention takes full advantage of the heat of hydration by the way that the return water of cooling water pipe is used for heated die plate, with it is lower at
Originally casting of concrete in mass process is realized because of the effective use of the waste heat of hy-dration reaction, has reached winter construction heat preservation
Standard, and reduce construction cost.
2, in preferred scheme, the present invention uses flame retardant extrusion moulding polystyrene plate as insulating layer, due to being to utilize to lead
Heat pipe heats, therefore does not have fire hazard.And it is easy to process, thermal insulation property is also above thermal insulating materials such as glass, rock wool, alumina silicate
Material.
3, the scheme that cooling water pipe is laid using helical form, makes the cooling water of lower temperature preferentially in inside concrete aquation
The position that heat is gathered exchanges heat, and then takes heat out of concrete surface, compared with snakelike arrangement, can make in concrete
The temperature rate of change in portion is more uniform.
4, using the scheme of the fixed insulating layer of pull rod, securely and reliably.
5, using the combination of distributed fiberoptic sensor and temperature sensor, distributed fiberoptic sensor essence had both been overcome
Not high defect is spent, also overcomes that temperature sensor requirement is more, more difficult and higher cost the defect of arrangement.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples:
Fig. 1 is the elevational schematic view of structure of the invention.
Fig. 2 is the partial sectional view of structure of the invention.
Fig. 3 is the cross section schematic top plan view of structure of the invention.
Fig. 4 is the main view of insulating layer in the present invention.
Fig. 5 is the fixed structure schematic diagram of insulating layer in the present invention.
Fig. 6 is the temperature control curve figure of mass concrete in the present invention.
In figure: template 1, heat conducting pipe 2, insulating layer 3, base 31, lug boss 32, heating layer 4, the second collecting pipe 5, channel steel 6,
Pull rod 7, cooling water pipe 8, heat exchange box 9, concrete 10, pump 11, outlet temperature sensor 12, water return outlet temperature sensor 13,
Distributed fiberoptic sensor 14, acquisition device 15, temperature sensor 16, the first collecting pipe 17.
Specific embodiment
Embodiment 1:
In Fig. 1 ~ 4, a kind of composite shuttering structure suitable for mass concrete Winter protection, it includes being arranged in template 1
The heat conducting pipe 2 and insulating layer 3 at the back side, heat conducting pipe 2 are located between 1 back side of insulating layer 3 and template, further include being arranged in concrete 10
Interior cooling water pipe 8；
The water inlet of cooling water pipe 8 is connect with heat exchange box 9, and the water outlet of cooling water pipe 8 is connect with one end of heat conducting pipe 2, thermally conductive
The other end of pipe 2 is connect with heat exchange box 9, so that cooling water enters thermally conductive after the cooling water pipe 8 in concrete 10 exchanges heat
It is recycled in pipe 2, the temperature of climbing shuttering 1, reduces the temperature difference between 10 inside of concrete and surface.Thus structure passes through cooling
Cooling water is sent in concrete 10 and exchanges heat by water pipe 8, and the cooling water after heating is drained into heat conducting pipe 2, adds template
Heat to improve the temperature of template 1, and then improves the temperature of concrete surface, to reduce between inside concrete and surface
The temperature difference.It is heated using the return water of cooling water pipe 8 to template, the energy consumption for heating to template can be greatly reduced, and use
Heat conducting pipe 2 is heated also without fire hazard.
Preferred scheme such as Fig. 2, in 4, the insulating layer 3 is flame retardant extrusion moulding polystyrene plate.Thus scheme, can
Raw material and operating expenses are greatly reduced, improve heat insulation effect.
Preferred scheme such as Fig. 2, in 4, the structure of the insulating layer 3 are as follows: multiple lug bosses 32 are equipped in base 31,
The lug boss 32 is corresponding with 1 back side notch shape of template.Thus structure is easily installed.And guarantor can be further increased
Temp effect.As shown in Figure 5, in this example, it after formwork erection, is first tightened, template 1 is reliably fixed, then on pull rod 7 with nut
Pull rod 7 is passed through insulating layer 3 to fix with washer and another nut.In Fig. 2, hole, heat conducting pipe 2 are equipped in the back cord of template 1
Hole on 1 back cord of template, between 1 back side of template and insulating layer 3.
Preferred scheme such as Fig. 1, in 3, the cooling water pipe 8 along 10 layered arrangement of concrete, heat conducting pipe 2 also along
10 layered arrangement of concrete, cooling water pipe 8 are connect by the first collecting pipe with heat exchange box 9, and the position of the water outlet of heat exchange box 9 is set
There is the pump 11 of adjustable flow velocity；
Heat conducting pipe 2 is connect by the second collecting pipe 5 with heat exchange box 9；The cooling water come out from heat exchange box 9 is pumped by pump 11
It to the first collecting pipe 17, is then flowed into the cooling water pipe 8 of each layer by the first collecting pipe 17, after heat exchange, enters
Heat conducting pipe 2 is then back into heat exchange box 9.
It is equipped with outlet temperature sensor 12 in the entrance location of heat conducting pipe 2, is equipped with return water in the outlet port of heat conducting pipe 2
Mouth temperature sensor 13 passes through the flow velocity of the feedback regulation pump 11 of outlet temperature sensor 12.Pass through water return outlet temperature sensing
Device 13 feeds back the temperature of template 1, to judge whether to need to start heating device.
In preferred scheme such as Fig. 2, it is additionally provided with electric heating wire at the back side of template 1, or be equipped at the back side of insulating layer 3
Heating layer 4, the interior electromagnetic coil being equipped with for making template 1 generate heat of heating layer 4.The scheme that heating layer 4 is preferably used in this example, adds
Thermosphere 4 is the heat-insulated material of flame-resistant insulation, such as fiberglass layer, rock wool layer, and electromagnetic coil is placed in heating layer 4, exchange is passed through
Electric current can produce alternating electromagnetic field, template 1 is located at alternating electromagnetic field, make to generate current vortex in template 1 to generating heat, due to
Required heating temperature is not high, therefore the power of electric current is smaller, and using electromagnetic coil scheme be more convenient for control it is also more energy efficient
And safety.
In preferred scheme such as Fig. 3, distributed fiberoptic sensor 14, distributed fiberoptic sensor are equipped in concrete 10
14 are electrically connected with acquisition device 15；Distributed fiberoptic sensor is the prior art, such as Chinese patent literature CN103115693A
A kind of distributed fiber Raman temp measuring system, CN103630266A optical fiber temperature measurement host, system and method and CN200982895Y
It can carry out the record in the Fibre Optical Sensor thermometry array of multimetering.Temperature-measuring optical fiber has laying more convenient, at low cost
Advantage, but have the defects that measurement numerical value is inaccurate.In further preferred scheme, multiple temperature are additionally provided in concrete 10
Sensor 16 is spent, wherein at least one is located at the middle position of concrete 10, and also at least one is located at close to concrete 10
The position on surface, temperature sensor 16 are electrically connected with acquisition device 15.Temperature sensor 16 in this example preferably uses wireless type
Temperature sensor, including built-in type or plug-type wireless type temperature sensor can also use wired sensor, such as be inserted into
The temperature sensor of formula can by the way of wired connection, wireless type temperature sensor with such as WiFi, bluetooth, zigbee,
The communication modes such as 4G are electrically connected with acquisition device 15, it is preferred to use zigbee self-organized network communication mode.Temperature parameter is uploaded to
Acquisition device 15, acquisition device 15 include wireless signal receiver and computer, are handled by computer temperature parameter, and
Temperature control is subject to pump and heating layer 4 by computer.It is according to progress Concrete temperature controlling with temperature parameter.
In preferred scheme, cooling water pipe 8 is in concrete at snakelike arrangement；
In another optional scheme such as Fig. 3, at screw arrangement in concrete, the water inlet of cooling water pipe 8 is located at cooling water pipe 8
The middle position of helical structure, the water outlet of cooling water pipe 8 are located at the marginal position of helical structure.Large volume coagulation after pouring
Native temperature change, usually gradually decreases from inside concrete to concrete surface, can using the cooling water pipe 8 of helical structure
Making cooling water preferentially reduces the temperature of inside concrete, then reduces or increase again the temperature of concrete surface, to make coagulation
Native inside is located within 25 DEG C to the temperature difference between surface.
Embodiment 2:
A kind of construction method using the above-mentioned composite shuttering structure suitable for mass concrete Winter protection, including it is following
Step:
S1, heat conducting pipe 2 and insulating layer 3 are installed at 1 back side of template；Heat conducting pipe 2 passes through the back cord of template 1.Insulating layer 3 passes through pull rod
7 are fixed with washer and nut.
S2, large volume concrete structural arrange cooling water pipe 8 before pouring, it is preferred that the cooling water pipe 8 of single layer uses spiral
Shape arrangement, the water inlet of cooling water pipe 8 are located at the position among concrete 10, i.e., are most difficult to the position radiated, usually position at this
The temperature set reaches 60 ~ 65 DEG C.Temperature sensor is arranged before pouring；
In preferred scheme, the temperature sensor includes distributed fiberoptic sensor 14 and temperature sensor 16；
Wherein, distributed fiberoptic sensor 14 is laid at least along temperature change direction, and temperature sensor 16 is at least in concrete
10 inside and surface respectively lay one, and the temperature rate of change of concrete 10 is detected by distributed fiberoptic sensor 14, lead to
Excess temperature sensor 16 is corrected the prison detection data of distributed fiberoptic sensor 14.Pass through distributed fiberoptic sensor 14
Temperature variation curve is obtained, is then carried out by numerical value of the inbuilt temperature sensor 16 to corresponding position on temperature variation curve
Replacement, and is fitted with temperature variation curve, even if temperature variation curve passes through the numerical value being replaced, or positioned at being replaced
Numerical value near, to obtain more accurate temperature variation curve.Thus scheme can reduce construction cost, improve and apply
On the basis of work efficiency rate, relatively accurate temperature parameter is obtained, to realize the automatic control of 10 temperature of concrete.
S3, pass through 7 installation template 1 of pull rod；Formwork erection pours.
S4, the water inlet of cooling water pipe 8 is connect with heat exchange box 9, the position installation pump 11 that heat exchange box 9 exports, cooling water
The water outlet of pipe 8 is connect with one end of heat conducting pipe 2, and the other end of heat conducting pipe 2 is connect with heat exchange box 9；
Outlet temperature sensor 12 and water return outlet temperature sensor 13 is respectively set at the both ends of heat conducting pipe 2；
S5, it is required according to default temperature control, cooling water is passed through in cooling water pipe 8, under the premise of meeting temperature control requirement, it is ensured that mixed
Solidifying 10 inside of soil and surface temperature difference are poor no more than preset temperature；
In preferred scheme, required and temperature sensor, the outlet temperature sensor 12 in concrete 10 according to default temperature control
Feedback control cooling water pipe 8 in cooling water water flowing flow；
Judge whether starting auxiliary heating according to the difference between outlet temperature sensor 12 and water return outlet temperature sensor 13.
Referring to Fig. 6, in the cooling stage of each phase, rate of temperature fall be less than or be equal to 0.5 DEG C/daily, in the temperature control stage, temperature change
Amplitude be less than or be equal to 1 DEG C/daily.The principle of temperature control is the requirement that temperature change meets temperature control curve in Fig. 6, in environment temperature
When degree is not less than 10 DEG C, water flowing temperature control is preferentially used, by adjusting the water flowing flow control temperature in cooling water pipe 8.Work as water flowing
Temperature control is in full load condition, and detects that concrete internal temperature and surface temperature of concrete differ by more than or are equal to 25 DEG C
When, 1 assisted heating device of assistant starting template, such as electromagnetic coil, carry out electromagnetic induction heating.When environment temperature is lower than 10 DEG C
When, then while water flowing temperature control, also need to continue that 1 assisted heating device of template is driven to be heated.
The construction of mass concrete Winter protection is realized by above step.
The above embodiments are only the preferred technical solution of the present invention, and are not construed as limitation of the invention, this Shen
Please in embodiment and embodiment in technical characteristic in the absence of conflict, can mutual any combination.Guarantor of the invention
The technical solution that range should be recorded with claim is protected, being equal for technical characteristic replaces in the technical solution recorded including claim
Changing scheme is protection scope.Equivalent replacement i.e. within this range is improved, also within protection scope of the present invention.
Claims (10)
1. a kind of composite shuttering structure suitable for mass concrete Winter protection, it is characterized in that: it includes being arranged in template
(1) heat conducting pipe (2) and insulating layer (3) at the back side, heat conducting pipe (2) are located between insulating layer (3) and template (1) back side, further include
The cooling water pipe (8) being arranged in concrete (10)；
The water inlet of cooling water pipe (8) is connect with heat exchange box (9), and the water outlet of cooling water pipe (8) and the one end of heat conducting pipe (2) connect
It connects, the other end of heat conducting pipe (2) is connect with heat exchange box (9), so that cooling water is changed by the cooling water pipe (8) in concrete (10)
After heat, circulation in heat conducting pipe (2) is entered, the temperature of climbing shuttering (1) reduces concrete (10) internal temperature between surface
Difference.
2. a kind of composite shuttering structure suitable for mass concrete Winter protection according to claim 1, feature
Be: the insulating layer (3) is flame retardant extrusion moulding polystyrene plate.
3. a kind of composite shuttering structure suitable for mass concrete Winter protection according to claim 1 or 2, special
Sign is: the structure of the insulating layer (3) are as follows: is equipped with multiple lug bosses (32) on base (31), the lug boss (32)
It is corresponding with template (1) back side notch shape.
4. a kind of composite shuttering structure suitable for mass concrete Winter protection according to claim 1, feature
Be: the cooling water pipe (8) along concrete (10) layered arrangement, heat conducting pipe (2) also along concrete (10) layered arrangement,
Cooling water pipe (8) is connect by the first collecting pipe with heat exchange box (9), and the position of the water outlet of heat exchange box (9) is equipped with adjustable flow velocity
Pump (11)；
Heat conducting pipe (2) is connect by the second collecting pipe (5) with heat exchange box (9)；
Outlet temperature sensor (12) are equipped in the entrance location of heat conducting pipe (2), are equipped with back in the outlet port of heat conducting pipe (2)
Intake temperature sensor (13) passes through the flow velocity of the feedback regulation pump (11) of outlet temperature sensor (12).
5. a kind of composite shuttering structure suitable for mass concrete Winter protection according to claim 4, feature
It is: is additionally provided with electric heating wire at the back side of template (1), or is equipped with heating layer (4) at the back side of insulating layer (3), heating layer (4)
The interior electromagnetic coil being equipped with for making template (1) to generate heat.
6. a kind of composite shuttering structure suitable for mass concrete Winter protection according to claim 1, feature
It is: is equipped with distributed fiberoptic sensor (14) in concrete (10), distributed fiberoptic sensor (14) and acquisition device (15)
Electrical connection；
Multiple temperature sensors (16) are equipped in concrete (10), wherein at least one is located at the interposition of concrete (10)
It sets, also at least one is located at close to the position on concrete (10) surface, and temperature sensor (16) is electrically connected with acquisition device (15)
It connects.
7. a kind of composite shuttering structure suitable for mass concrete Winter protection according to claim 1, feature
Be: cooling water pipe (8) is in concrete at snakelike arrangement；
Or cooling water pipe (8) in concrete at screw arrangement, the water inlet of cooling water pipe (8) is located at the centre of helical structure
Position, the water outlet of cooling water pipe (8) are located at the marginal position of helical structure.
8. a kind of use the described in any item composite shuttering structures suitable for mass concrete Winter protection of claim 1 ~ 7
Construction method, it is characterized in that the following steps are included:
S1, heat conducting pipe (2) and insulating layer (3) are installed at template (1) back side；
S2, large volume concrete structural arrange cooling water pipe (8) before pouring, and arrange temperature sensor；
S3, pass through pull rod (7) installation template (1)；
S4, the water inlet of cooling water pipe (8) is connect with heat exchange box (9), the position installation pump (11) of heat exchange box (9) outlet is cold
But the water outlet of water pipe (8) is connect with one end of heat conducting pipe (2), and the other end of heat conducting pipe (2) is connect with heat exchange box (9)；
Outlet temperature sensor (12) and water return outlet temperature sensor (13) is respectively set at the both ends of heat conducting pipe (2)；
S5, it is required according to default temperature control, cooling water is passed through in cooling water pipe (8), under the premise of meeting temperature control requirement, it is ensured that
Concrete (10) is internal poor no more than preset temperature with surface temperature difference；
The construction of mass concrete Winter protection is realized by above step.
9. the construction method of the composite shuttering structure according to claim 8 suitable for mass concrete Winter protection,
It is characterized in that: according to cold in the feedback control cooling water pipe (8) of the temperature sensor in the requirement of default temperature control and concrete (10)
But the water flowing flow of water；
Judge whether starting auxiliary according to the difference between outlet temperature sensor (12) and water return outlet temperature sensor (13)
Heating.
10. the construction party of the composite shuttering structure suitable for mass concrete Winter protection according to claim 8 or claim 9
Method, it is characterized in that: the temperature sensor includes distributed fiberoptic sensor (14) and temperature sensor (16)；
Wherein, distributed fiberoptic sensor (14) is laid at least along temperature change direction, and temperature sensor (16) is at least mixed
The inside and surface of solidifying soil (10) respectively lay one, are become by the temperature of distributed fiberoptic sensor (14) detection concrete (10)
Change gradient, is corrected by prison detection data of the temperature sensor (16) to distributed fiberoptic sensor (14).
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Cited By (9)
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| CN111236668A (en) * | 2020-01-14 | 2020-06-05 | 中国建筑第五工程局有限公司 | Construction method for controlling temperature cracks of mass concrete |
| CN111255227A (en) * | 2020-02-17 | 2020-06-09 | 中铁十八局集团第二工程有限公司 | Heat-insulating composite template and construction method applied to concrete in strong wind forest area |
| CN111485711A (en) * | 2020-04-29 | 2020-08-04 | 梅国强 | Multipurpose building hollow formwork and concrete curing system and method |
| CN111851310A (en) * | 2020-08-14 | 2020-10-30 | 中铁二局集团有限公司 | Heating and heat-insulating system, heat-insulating method and construction method for winter construction pouring template |
| CN113404287A (en) * | 2021-06-25 | 2021-09-17 | 中铁十局集团有限公司 | Multifunctional formwork for mass concrete structure and construction method |
| CN114086556A (en) * | 2021-11-11 | 2022-02-25 | 中铁大桥科学研究院有限公司 | Land bearing platform concrete temperature control system and method |
| CN114086476A (en) * | 2021-11-23 | 2022-02-25 | 中铁大桥科学研究院有限公司 | Concrete heat preservation device |
| CN115095172A (en) * | 2022-06-22 | 2022-09-23 | 中交四航工程研究院有限公司 | Concrete structure winter maintenance temperature control system and method |
| CN115176062A (en) * | 2019-12-17 | 2022-10-11 | Peri欧洲公司 | Template flat plate for template device |
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| CN111236668A (en) * | 2020-01-14 | 2020-06-05 | 中国建筑第五工程局有限公司 | Construction method for controlling temperature cracks of mass concrete |
| CN111255227A (en) * | 2020-02-17 | 2020-06-09 | 中铁十八局集团第二工程有限公司 | Heat-insulating composite template and construction method applied to concrete in strong wind forest area |
| CN111485711A (en) * | 2020-04-29 | 2020-08-04 | 梅国强 | Multipurpose building hollow formwork and concrete curing system and method |
| CN111851310A (en) * | 2020-08-14 | 2020-10-30 | 中铁二局集团有限公司 | Heating and heat-insulating system, heat-insulating method and construction method for winter construction pouring template |
| CN113404287A (en) * | 2021-06-25 | 2021-09-17 | 中铁十局集团有限公司 | Multifunctional formwork for mass concrete structure and construction method |
| CN114086556A (en) * | 2021-11-11 | 2022-02-25 | 中铁大桥科学研究院有限公司 | Land bearing platform concrete temperature control system and method |
| CN114086556B (en) * | 2021-11-11 | 2023-08-25 | 中铁大桥科学研究院有限公司 | Concrete temperature control system and method for land bearing platform |
| CN114086476A (en) * | 2021-11-23 | 2022-02-25 | 中铁大桥科学研究院有限公司 | Concrete heat preservation device |
| CN115095172A (en) * | 2022-06-22 | 2022-09-23 | 中交四航工程研究院有限公司 | Concrete structure winter maintenance temperature control system and method |
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