CN204402050U - A kind of recirculated water efficiently controls the system in mass concrete crack - Google Patents
A kind of recirculated water efficiently controls the system in mass concrete crack Download PDFInfo
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- CN204402050U CN204402050U CN201420816500.8U CN201420816500U CN204402050U CN 204402050 U CN204402050 U CN 204402050U CN 201420816500 U CN201420816500 U CN 201420816500U CN 204402050 U CN204402050 U CN 204402050U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 91
- 238000001816 cooling Methods 0.000 claims abstract description 37
- 239000011449 brick Substances 0.000 claims description 27
- 239000004568 cement Substances 0.000 claims description 10
- 239000011505 plaster Substances 0.000 claims description 9
- 239000004576 sand Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 229910001018 Cast iron Inorganic materials 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 13
- 229910052799 carbon Inorganic materials 0.000 abstract description 4
- 239000002351 wastewater Substances 0.000 abstract description 4
- 239000002918 waste heat Substances 0.000 abstract description 2
- 239000000498 cooling water Substances 0.000 description 18
- 230000000694 effects Effects 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 230000008602 contraction Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000003020 moisturizing effect Effects 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 230000007363 regulatory process Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 206010026865 Mass Diseases 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000002910 structure generation Methods 0.000 description 1
- 238000004227 thermal cracking Methods 0.000 description 1
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Abstract
Recirculated water efficiently controls the system in mass concrete crack, belongs to technical field of structural engineering; The utility model is the construction that a kind of system utilizing recirculated water to control Volume Concrete Cracks is highly suitable for Large Concrete Base Plate; By circulating water pipe, well casing dewatering well, temperature adjustment groove, cooling tank, municipal drainage ditch are reasonably linked together, waste water in well casing dewatering well is utilized effectively, make the waste heat of concrete surface be recycled the timely interchange of heat of water by recirculated water retaining to go out, reduce temperature difference between inside and outside concrete, greatly reduce the possibility that massive concrete temperature cracks occurs, accomplish green low-carbon environment-friendly simultaneously.
Description
Technical field
The utility model relates to a kind of system and the practice that utilize recirculated water control Volume Concrete Cracks, belongs to construction engineering technical field.
Background technology
Along with the development of science and technology, concrete material rely on its easy construction, bearing capacity large, the advantage of the ornamental aspect such as by force can become the first-selection of modern project constructional materials (according to interrelated data display, the annual concrete use amount in the whole world be now more than 7,000,000,000 m at present
3).In the last few years, along with people are to the pursuit of using function, concrete structure just towards the comprehensive future development of bulky, complex structure, diverse in function, especially in massive structure, as fields such as concrete dam, road and bridge engineering, building constructions.But concrete is a kind of quasi-brittle material, be mainly used to bearing load pressure, its tension and shear resistance poor, inevitably can produce crack in the process of concreting and maintenance.Show according to correlation study data, what the crack in engineering structures was caused due to load reason probably accounts for 20%, and mostly 80% crack is in addition to be caused by factors such as temperature, contraction, inhomogeneous deformations.The thermal cracking that Hongqiao development zone, Western Shanghai Plaza occurs in the process of construction is especially up to 2320, and wherein crosscutting concern and deeper clefts just have 1608.These crack heavy damages globality of structure, reduce the lifting surface area of structure section, have also been changed stress and the constraints of concrete structure, make the even overall destruction of structure generation local failure, affect the normal use of structure, safety assurance and service life.Therefore, the massive concrete temperature cracks problem produced because hydration heat of cement temperature is excessive causes engineering circles personage to its attention further.
Traditional concrete in mass cool-down method is layered arrangement cooling water pipe before concreting, passes into cooling water afterwards in cooling water pipe, finally cooling water pipe is carried out grouting and closes.This way cooling-down effect is good, but there is larger problem, mainly only serving cooling effect to the concrete in 1m with this way, and obvious effect is not had substantially to the concrete beyond water pipe 1m, simultaneously owing to needing to arrange a large amount of cooling water pipes in advance, therefore operate comparatively complicated, cost also costly.Based on this, the utility model proposes a kind of principle simple, cheap, the recirculated water being easy to construct controls the system of massive concrete temperature cracks.Go by the waste water in well casing dewatering well is incorporated in cooling water recirculation system, temperature adjustment groove, cooling tank and municipal drainage ditch are unified into an organic whole, effectively can shorten the construction period, reduce construction cost, really accomplish green low-carbon environment-friendly, be highly suitable for the construction of volume of concrete foundation.
Summary of the invention
The purpose of this utility model is to provide a kind of a kind of system utilizing recirculated water to control Volume Concrete Cracks with advantages such as principle is simple, cheap, easy construction, green low-carbon environment-friendly integrations, to effectively solve traditional cold but long in time limit in water for cooling method, cost is high, cannot accomplish the problems such as environmental protection.
For achieving the above object, the utility model adopts following technical scheme,
Utilize recirculated water to control a system for Volume Concrete Cracks, this system comprises well casing dewatering well 1, circulating water pipe 2, temperature adjustment groove 3, cooling tank 4, concrete in mass 5, municipal drainage ditch 6.
Specifically, well casing dewatering well 1 is connected by circulating water pipe 2 with temperature adjustment groove 3; Temperature adjustment groove 3 is symmetrically distributed in the two ends of cooling tank 4, and it is inner that concrete in mass 5 is placed in cooling tank 4; Temperature adjustment groove 3 after cooling tank 4 is connected with municipal drainage ditch 6 by circulating water pipe 2.
Described well casing dewatering well 1 is the initial starting point of reclaimed water system.Well casing dewatering well 1 is arranged in concrete in mass side, number is determined according to the water requirement of concrete in mass, in earlier stage well casing dewatering well 1 is for the precipitation of foundation ditch, can be reclaimed water system after the precipitation such as later stage are complete and cooling water source is provided, a water pump is set bottom each well casing dewatering well 1, is mainly used in the lifting of cooling water in well casing dewatering well 1.
Described circulating water pipe 2 is the pipe-line of reclaimed water system, and material can make cast iron or plastics.Starting point water pump from well casing dewatering well 1 is guided to aboveground, is incorporated into afterwards in temperature adjustment groove 3, then to cooling tank 4, then arrive other end temperature adjustment groove 3, last terminal is to municipal drainage ditch 6.
Described temperature adjustment groove 3 is the temperature control regulation measure of reclaimed water system.Outside base mass concrete both sides, respectively arrange a water storing recess, adopt common brick to build by laying bricks or stones, length, with concrete in mass length, uses 1:2.5 cement sand plaster afterwards, and bottom temperature adjustment groove 3, same layout two water pumps are to provide lifting kinetic energy.Because the cooling water temperature extracted out from well casing dewatering well 1 is far below environment temperature, in order to reduce the temperature difference of cooling water and mass concrete surface, the cooling water of extraction need be carried out natural temp regulating process.
Described cooling tank 4 is the cooling retaining measure of reclaimed water system.Build pond by laying bricks or stones all around along concrete in mass, common brick can be adopted to build by laying bricks or stones and use 1:2 cement sand plaster.By the retaining of cooling tank, the temperature heat of mass concrete surface is dissipated away in time by interchange of heat.
Described concrete in mass 5 is the control object of reclaimed water system.Main finger concrete structural solid minimum geometries is not less than the large scale of construction concrete of 1m, or the variations in temperature that can cause because of cementitious material aquation in concrete and contraction and the concrete causing harmful cracks to produce.
Described municipal drainage ditch 6 is the last terminal of reclaimed water system.Municipal drainage ditch 6 mainly connects municipal drainage network, and the recirculated water therefore extracted from other end temperature adjustment groove 3 finally flows to municipal drainage network by flowing to municipal drainage ditch, does not cause any pollution to surrounding environment.
Described a kind of system utilizing recirculated water to control Volume Concrete Cracks, its preparation method is as follows:
The first step, at concrete in mass 5, corner location place far away arranges well casing dewatering well 1, arranges one, water pump bottom dewatering well;
Second step, respectively arranges a temperature adjustment groove 3 outside concrete in mass 5 both sides, and adopt common brick to build by laying bricks or stones, length with concrete in mass length, and uses 1:2.5 cement sand plaster, and bottom arranges a water pump equally;
3rd step, concrete in mass 5 build after covered with plastic film maintenance of sprinkling water, concrete side adopts double gunny bag sheet to cover moisturizing, along with concrete-face closure builds cooling tank 4 by laying bricks or stones along concrete surface surrounding common brick simultaneously.
4th step, is joined together to form well casing dewatering well 1, temperature adjustment groove 3, cooling tank 4, municipal drainage ditch 6 system that a kind of recirculated water controls massive concrete temperature cracks by circulating water pipe 2.
A kind of system utilizing recirculated water to control Volume Concrete Cracks of the utility model is applicable to the construction of Large Concrete Base Plate.By circulating water pipe, well casing dewatering well, temperature adjustment groove, cooling tank, municipal drainage ditch are reasonably linked together, waste water in well casing dewatering well is utilized effectively, by constantly carrying out recirculated water retaining in mass concrete surface, make the waste heat of concrete surface be recycled the timely interchange of heat of water to go out, reduce temperature difference between inside and outside concrete, greatly reduce the possibility that massive concrete temperature cracks occurs, construction costs can be made to reduce by 50%, duration shortens 30%, really accomplishes green low-carbon environment-friendly simultaneously.
Accompanying drawing explanation
Fig. 1 is a kind of system schematic utilizing recirculated water to control Volume Concrete Cracks;
Fig. 2 is a kind of system layout utilizing recirculated water to control Volume Concrete Cracks;
In figure: 1 well casing dewatering well, 2 circulating water pipes, 3 temperature adjustment grooves, 4 cooling tanks, 5 concrete in masss, 6 municipal drainage ditches.
Detailed description of the invention
Below in conjunction with specific embodiment, the utility model is described further.
As shown in Figure 1-2, a kind of system utilizing recirculated water to control Volume Concrete Cracks, this system comprises well casing dewatering well 1, circulating water pipe 2, temperature adjustment groove 3, cooling tank 4, concrete in mass 5, municipal drainage ditch 6; Go by the waste water in well casing dewatering well 1 is incorporated in cooling water recirculation system, temperature adjustment groove 3, cooling tank 4 and municipal drainage ditch 6 are unified into an organic whole and form the system that a kind of recirculated water controls massive concrete temperature cracks.
Specifically, well casing dewatering well 1 is connected by circulating water pipe 2 with temperature adjustment groove 3; Temperature adjustment groove 3 is symmetrically distributed in the two ends of cooling tank 4, and it is inner that concrete in mass 5 is placed in cooling tank 4; Temperature adjustment groove 3 after cooling tank 4 is connected with municipal drainage ditch 6 by circulating water pipe 2.
Described well casing dewatering well 1 is the initial starting point of reclaimed water system.Well casing dewatering well 1 is arranged in concrete in mass side, number is determined according to the water requirement of concrete in mass, be generally 2 ~ 4, in earlier stage well casing dewatering well 1 is mainly used in the precipitation of foundation ditch, can be reclaimed water system after the precipitation such as later stage are complete and cooling water source is provided, a 65WQ36-27-5.5 water pump is set bottom each well casing dewatering well 1, is mainly used in the lifting of cooling water in well casing dewatering well 1.
Described circulating water pipe 2 is the pipe-line of reclaimed water system.Main employing DG150 header, internal diameter is 150mm, and material can make cast iron or plastics.Starting point water pump from well casing dewatering well 1 is guided to aboveground, is incorporated into afterwards in temperature adjustment groove 3, then to cooling tank 4, then arrive other end temperature adjustment groove 3, last terminal is to municipal drainage ditch 6.
Described temperature adjustment groove 3 is the temperature control regulation measure of reclaimed water system.The each layout in 0.8m place water storing recess outside base mass concrete both sides, common brick is adopted to build by laying bricks or stones, width is 500mm, the degree of depth is 700mm, length is with concrete in mass length, use 1:2.5 cement sand plaster afterwards, bottom temperature adjustment groove 3, same layout two 65WQ36-27-5.5 water pumps are to provide lifting kinetic energy.Because the cooling water temperature extracted out from well casing dewatering well 1 is far below environment temperature, in order to reduce the temperature difference of cooling water and mass concrete surface, the cooling water of extraction need be carried out natural temp regulating process.
Described cooling tank 4 is the cooling retaining measure of reclaimed water system.Build 120mm all around by laying bricks or stones along concrete in mass wide, the pond that 240mm is high, common brick can be adopted to build by laying bricks or stones, and (as the thick 1.8m of concrete in mass, it is high to build the thick 240mm of 120mm by laying bricks or stones; When concrete in mass thickness is greater than 2.0m, it is high to build the wide 350mm of 240mm by laying bricks or stones, and uses 1:2 cement sand plaster, (making 30mm radius arc corner protector at inner corner trim place).By the retaining of cooling tank, the temperature heat of mass concrete surface is dissipated away in time by interchange of heat.
Described concrete in mass 5 is the control object of reclaimed water system.Main finger concrete structural solid minimum geometries is not less than the large scale of construction concrete of 1m, or the variations in temperature that can cause because of cementitious material aquation in concrete and contraction and the concrete causing harmful cracks to produce.
Described municipal drainage ditch 6 is the last terminal of reclaimed water system.Municipal drainage ditch 6 mainly connects municipal drainage network, and the recirculated water therefore extracted from other end temperature adjustment groove 3 finally flows to municipal drainage network by flowing to municipal drainage ditch, does not cause any pollution to surrounding environment.
Described a kind of system utilizing recirculated water to control Volume Concrete Cracks, its preparation method is as follows:
The first step, at concrete in mass 5 corner location far away, place establishes 600mm wide, the well casing dewatering well 1 that 850mm is dark, arranges one, 65WQ36-27-5.5 water pump bottom dewatering well;
Second step, each layout in 0.8m place temperature adjustment groove 3 outside concrete in mass 5 both sides, adopts common brick to build by laying bricks or stones, wide 500mm, dark 700mm, length is with concrete in mass length, and use 1:2.5 cement sand plaster, bottom arranges a 65WQ36-27-5.5 water pump equally;
3rd step, concrete in mass 5 build after covered with plastic film maintenance of sprinkling water, concrete side adopts double gunny bag sheet to cover moisturizing, along with concrete-face closure builds cooling tank 4 by laying bricks or stones along concrete surface surrounding common brick simultaneously.When concrete in mass 5 thickness is less than 2.0m, the width of building by laying bricks or stones of cooling tank 4 is 120mm, is highly 240mm; When concrete in mass 5 thickness is greater than 2.0m, building width by laying bricks or stones is 240mm, is highly 350mm, and uses 1:2 cement sand plaster, makees 30mm radius arc shape corner protector at inner corner trim place;
4th step, is joined together to form well casing dewatering well 1, temperature adjustment groove 3, cooling tank 4, municipal drainage ditch 6 system that a kind of recirculated water controls massive concrete temperature cracks by circulating water pipe 2.
Cooling water discarded in well casing dewatering well 1 is guided in temperature adjustment groove 3 by circulating water pipe 2 and carries out natural temp regulating, the recirculated water that temperature adjustment is good is guided in the cooling tank 4 laid in advance afterwards and go, the too much heat on concrete in mass 5 surface is reduced by circulation retaining, reach the effect controlling temperature difference between inside and outside concrete, then the water in cooling tank 4 is guided in the temperature adjustment groove 3 of other side, be discharged in city planting ductwork finally by municipal drainage ditch 6 and go.This system principle is simple, easy to operate, the cheap control being applicable to very much massive concrete temperature cracks in construction.
Be more than an exemplary embodiments of the present utility model, enforcement of the present utility model is not limited thereto.
Claims (6)
1. utilize recirculated water to control a system for Volume Concrete Cracks, it is characterized in that: this system comprises well casing dewatering well (1), circulating water pipe (2), temperature adjustment groove (3), cooling tank (4), concrete in mass (5), municipal drainage ditch (6);
Specifically, well casing dewatering well (1) is connected by circulating water pipe (2) with temperature adjustment groove (3); Temperature adjustment groove (3) is symmetrically distributed in the two ends of cooling tank (4), and it is inner that concrete in mass (5) is placed in cooling tank (4); Temperature adjustment groove (3 lead to) after cooling tank (4) is crossed circulating water pipe (2) and is connected with municipal drainage ditch (6).
2. a kind of system utilizing recirculated water to control Volume Concrete Cracks according to claim 1, is characterized in that: the initial starting point that described well casing dewatering well (1) is reclaimed water system; Well casing dewatering well (1) is arranged in concrete in mass side, and number is determined according to the water requirement of concrete in mass, and each well casing dewatering well (1) bottom arranges a water pump.
3. a kind of system utilizing recirculated water to control Volume Concrete Cracks according to claim 1, it is characterized in that: the pipe-line that described circulating water pipe (2) is reclaimed water system, material can make cast iron or plastics; Starting point water pump from well casing dewatering well (1) is guided to aboveground, be incorporated in temperature adjustment groove (3) afterwards, arrive cooling tank (4) again, then arrive other end temperature adjustment groove (3), last terminal is to municipal drainage ditch (6).
4. a kind of system utilizing recirculated water to control Volume Concrete Cracks according to claim 1, is characterized in that: the temperature control regulation measure that described temperature adjustment groove (3) is reclaimed water system; Respectively a water storing recess is arranged outside base mass concrete both sides, common brick is adopted to build by laying bricks or stones, length, with concrete in mass length, uses 1:2.5 cement sand plaster afterwards, and temperature adjustment groove (3) bottom is same arranges that two water pumps are to provide lifting kinetic energy.
5. a kind of system utilizing recirculated water to control Volume Concrete Cracks according to claim 1, is characterized in that: the cooling retaining measure that described cooling tank (4) is reclaimed water system; Build pond by laying bricks or stones all around along concrete in mass, common brick can be adopted to build by laying bricks or stones and use 1:2 cement sand plaster.
6. a kind of system utilizing recirculated water to control Volume Concrete Cracks according to claim 1, is characterized in that: the last terminal that described municipal drainage ditch (6) is reclaimed water system; Municipal drainage ditch (6) mainly connects municipal drainage network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420816500.8U CN204402050U (en) | 2014-12-21 | 2014-12-21 | A kind of recirculated water efficiently controls the system in mass concrete crack |
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| CN201420816500.8U CN204402050U (en) | 2014-12-21 | 2014-12-21 | A kind of recirculated water efficiently controls the system in mass concrete crack |
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| CN204402050U true CN204402050U (en) | 2015-06-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104612402A (en) * | 2014-12-21 | 2015-05-13 | 中国中铁航空港建设集团有限公司 | System and method for efficiently controlling cracks of big cubage concrete base through circulating water |
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- 2014-12-21 CN CN201420816500.8U patent/CN204402050U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104612402A (en) * | 2014-12-21 | 2015-05-13 | 中国中铁航空港建设集团有限公司 | System and method for efficiently controlling cracks of big cubage concrete base through circulating water |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150617 |
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| CF01 | Termination of patent right due to non-payment of annual fee |