CN109098460A - Hot environment concrete water handles steel form structures anticracking construction method - Google Patents
Hot environment concrete water handles steel form structures anticracking construction method Download PDFInfo
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- CN109098460A CN109098460A CN201810760898.0A CN201810760898A CN109098460A CN 109098460 A CN109098460 A CN 109098460A CN 201810760898 A CN201810760898 A CN 201810760898A CN 109098460 A CN109098460 A CN 109098460A
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- 239000004567 concrete Substances 0.000 title claims abstract description 64
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 238000010276 construction Methods 0.000 title claims abstract description 40
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 20
- 239000010959 steel Substances 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 34
- 230000008569 process Effects 0.000 claims abstract description 28
- 239000007921 spray Substances 0.000 claims description 57
- 238000001816 cooling Methods 0.000 claims description 23
- 238000012423 maintenance Methods 0.000 claims description 19
- 239000004568 cement Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 11
- 238000005266 casting Methods 0.000 claims description 10
- 238000013461 design Methods 0.000 claims description 8
- 235000013312 flour Nutrition 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 8
- 230000033228 biological regulation Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 7
- 239000010881 fly ash Substances 0.000 claims description 6
- 238000009472 formulation Methods 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 6
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 claims description 4
- 238000002474 experimental method Methods 0.000 claims description 4
- -1 polyethylene Polymers 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 238000005336 cracking Methods 0.000 abstract description 6
- 238000004227 thermal cracking Methods 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 238000009435 building construction Methods 0.000 abstract description 2
- 230000007812 deficiency Effects 0.000 abstract description 2
- 238000001035 drying Methods 0.000 abstract description 2
- 239000011150 reinforced concrete Substances 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 abstract description 2
- 239000004576 sand Substances 0.000 description 10
- 239000004575 stone Substances 0.000 description 7
- 230000007423 decrease Effects 0.000 description 4
- 238000005086 pumping Methods 0.000 description 4
- 230000036571 hydration Effects 0.000 description 3
- 238000006703 hydration reaction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 239000002956 ash Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 235000013339 cereals Nutrition 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000010883 coal ash Substances 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003349 gelling agent Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 230000000659 thermocoagulation Effects 0.000 description 1
Classifications
-
- 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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/24—Safety or protective measures preventing damage to building parts or finishing work during construction
- E04G21/246—Safety or protective measures preventing damage to building parts or finishing work during construction specially adapted for curing concrete in situ, e.g. by covering it with protective sheets
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention belongs to technical field of building construction, it is related to the construction method of concrete structures cracking resistance, especially hot environment concrete water handles steel form structures anticracking construction method, large-scale water process reinforced concrete constructional work, in the high temperature environment, such as during hot weather construction, since environment temperature is very high, formation of concrete structures are influenced by temperature shrinkage and drying shrinkage, there is subtle thermal cracking, this crack directly affects leak test and examination, it is an object of the invention to overcome the deficiencies in the prior art, the hot environment concrete water for providing a kind of concrete pouring construction suitable for the various large-scale water treatment buildings under the conditions of hot climate handles steel form structures anticracking construction method.
Description
Technical field
The invention belongs to technical field of building construction, are related to the construction method of concrete structures cracking resistance, especially high temperature
Environmental Concrete water process steel form structures anticracking construction method.
Background technique
Large-scale water process reinforced concrete constructional work, in the high temperature environment, such as during hot weather construction, due to environment temperature
Degree is very high, and formation of concrete structures are influenced by temperature shrinkage and drying shrinkage, subtle thermal cracking, this direct shadow in crack occur
Ring leak test and examination.
The generation in large-scale water treatment building crack is due to slab concrete structures, and the middle part heat of hydration is concentrated, in heat
Concrete setting solidifies under conditions of expansion.After the completion of chemical reaction, concrete walls, plate start to receive with the decline of temperature
Contracting, generates stronger tensile stress.Concrete crushing strength is very high, and tensile strength is very low.At this point, periphery has cooled down admittedly
Change, generated inner tensile stress, no free end can be used to shrink, and therefore, concrete is pulled off, and form perforation wall
Thermal cracking.Since crack is less than 0.2mm mostly, it is difficult to repair, and mostly damaging reparation influences service life.
In view of the above-mentioned problems, existing some building manufacturers have developed some solutions, such as application No. is
" 2015106712150 " its component by changing concrete, provides a kind of better concrete proportioning of effect of prestressed, but in reality
At high cost in the use process of border, and its using effect receives the temperature of external environment, humidity etc. is affected, applicability compared with
It is low；Other building manufacturer also has developed some spray equipments, such as application No. is " 2017114475777 " and
The patent of " 2017113989970 " has developed spray equipment for cylindrical pier shape structures, and according to corresponding spray equipment
Corresponding spray mode is had developed, but above-mentioned two patents limitation is larger, is unsuitable for the maintenance construction of other structures.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of suitable for various under the conditions of hot climate
The hot environment concrete water of the concrete pouring construction of large-scale water treatment building handles steel form structures cracking resistance construction party
Method.
The present invention is achieved by the following technical solutions:
Include the following steps:
Step 1: preparation of construction；
Step 2: material cooling measure；
Step 3: the installation of structures cooling device；
Step 4: on-site concrete molding；
Step 5: rapping maintenance；
Step 6: demoulding sprays wet curing；
Step 7: completing pouring construction
Moreover, the process of step 1 preparation of construction includes: to carry out concrete formulation according to concrete design class and set
Meter and experiment carry out double-doped formula according to related standard and regulation, i.e., mix mountain flour and flyash, mountain flour in concrete formulation
Cement can be replaced with equivalent；
The process of the step 2 material cooling measure includes: to carry out covering and spraying cooling to material, and control concrete goes out
Tank temperature degree is lower than 25 degrees Celsius.
The process of the step 3 structures cooling device installation includes: to adopt respectively on the outside of the steel form of structures two sides
1.5 meters are from top to bottom spaced with DN25 polyethylene hose, horizontally disposed spray tube, on spray tube, ￠ 1mm is beaten at 0.5 meter of interval
Hole for water spraying；Gutter is set apart from 0.5 meter of position of structures bottom plate, and is not less than 4 cubic metres far from the setting of structures bottom plate
Collecting-tank collects spray return water, and shower water uses air cooling-down, reuses and saves water.
The molding process of step 4 on-site concrete includes: 20 minutes unlatching spray tubes before casting concrete, into
The cooling of row template；End in 72 hours sprays after pouring；Water control is at vertical m/h of every linear meter(lin.m.) water consumption 0.2, hydraulic pressure,
Spray effect, which can normally be played, with top layer's horizontal shower pipe is advisable；
The process of the step 5 rapping maintenance includes: to complete 72 hours pouring, and starts to loosen template, and by top layer
Spray tube moves on to top, using maintenance of pouring water, closes other horizontal shower pipes；
It includes: form removal after 7 days that step 6 demoulding, which sprays wet-cured process, is transferred to spray maintenance and extremely conserves
Terminate；
The step 7: pouring construction is completed.
The advantages and positive effects of the present invention are:
1, in the present invention, mountain flour can replace cement with equivalent, and flyash can replace 50% cement consumption, use " double
Mix " method can largely reduce cement consumption, and the aquation Heat liberation unit that concrete chemically reacts is reduced, concrete is controlled and pours
Temperature rise after building.
2, in the present invention, the maximum composition in material is sand, stone, accounts for about 70% or more of concrete total weight；In summer,
The sand of outdoor storage, stone temperature can achieve 70 DEG C or more, reduce the temperature of main aggregate, the control to concrete opening temperature
It is of great significance.
3, in the present invention, when carrying out pouring construction using steel form, the spray tube of parallel interval setting is evenly arranged on structures
Two sides pour height according to different during gradually pouring from the bottom to top and carried out using the spray tube of corresponding position
Spray, to largely take away the heat generated in casting process；Spray tube is opened before casting concrete, for steel form into
Row cooling, after pouring ends in 72 hours spray, water control, and pour complete 72 hours after, by top layer's spray tube
It moves up, form removal after 7 days, is transferred to spray maintenance until conserving the cooperation of each process terminated, can reach structures temperature
Rapid decrease effectively prevent the job requirement of cracking.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is that the structures temperature in the present invention declines curve graph.
Specific embodiment
Elaborate below by embodiment to the present invention, the embodiment be it is illustrative and not restrictive, no
It can be limited the scope of protection of the present invention with this.
In the construction technology poured using steel form, include the following steps:
Step 1: preparation of construction；
Step 2: material cooling measure；
Step 3: the installation of structures cooling device；
Step 4: on-site concrete molding；
Step 5: rapping maintenance；
Step 6: demoulding sprays wet curing；
Step 7: completing pouring construction.
In the present embodiment, the process of step 1 preparation of construction includes: to carry out concrete according to concrete design class
Formula design and experiment carry out double-doped formula according to related standard and regulation, i.e., mix mountain flour and fine coal in concrete formulation
Ash, mountain flour can replace cement with equivalent；
In the present embodiment, material cover and spraying cooling, control concrete opening temperature are lower than 25 degrees Celsius.
In the present embodiment, the process of the step 3 structures cooling device installation includes: the punching block in 2 two sides of structures
DN25 polyethylene hose is respectively adopted on the outside of plate and is from top to bottom spaced 1.5 meters, horizontally disposed spray tube 1 is spaced on spray tube
0.5 meter is beaten ￠ 1mm hole for water spraying；Gutter 4 is set apart from 0.5 meter of position of structures bottom plate, and not far from the setting of structures bottom plate
Collecting-tank less than 4 cubic metres collects spray return water；
The molding process of step 4 on-site concrete includes: 20 minutes unlatching spray tubes before casting concrete, into
The cooling of row template；End in 36 hours sprays after pouring；Water control is at vertical m/h of every linear meter(lin.m.) water consumption 0.2, hydraulic pressure,
Spray effect, which can normally be played, with top layer's horizontal shower pipe is advisable；
The process of the step 5 rapping maintenance includes: to complete 72 hours pouring, and starts to loosen template, and by top layer
Spray tube moves on to top, using maintenance of pouring water, closes other horizontal shower pipes；
It includes: form removal after 7 days that step 6 demoulding, which sprays wet-cured process, is transferred to spray maintenance and extremely conserves
Terminate；
The step 7: pouring construction is completed.
In the present embodiment, for having top cover building if any the pond etc. of ceiling, to be roused in manhole, manhole installation, air inducing
Machine 3 is discharged damp-heat air, improves the effect of spray cooling.
In the present embodiment, it is poured the biggish structures of top plate plant tilting span, it is desirable that intensity height and impermeability are strong to be constructed
Body.It also to be taken the method to eliminate the internal stress of thermal thermocoagulation according to plane figure situation, reduce cracking.
It in the present invention, is tested and analyzed for the temperature to structures, can be used pre-buried thermal resistance, timing thermometric, according to
Pour mass temperature rise, at any time regulating pondage.
As shown in Fig. 2, declining curve graph for the structures temperature in the present invention；The song that the filament that wherein each point is formed is formed
Line is the curve of traditional current technology temperature；The curve that thick line is formed is to be carried out in casting process using steel form, takes this side
The structures temperature decline curve of method construction.
When the invention works: by taking the practice of construction of certain water factory's clear-water reservoir as an example.
Clear-water reservoir is the key position of entire water factory's concreting work, 40 meters * 40 meters of this structures volume, and
It is thin pool wall, design concrete is C30, P6, and pool wall thickness 250mm was at that time under summer very unfavorable temperature condition,
From the point of view of the case history of previous traditional handicraft, do not occur the few of crack.
Step 1: preparation of construction: the proportion situation of concrete: required before construction concrete mixing plant according to we require to
Sample is matched out, the experiment of multiphase concrete sample has been done before construction, and compression strength all meets design requirement.
Following table is formula table:
Unit: kilogram
In formula, stone: partial size 5-25mm, using two-stage gradation.All grades, and national standard should be used by regulation
Regulation maximum particle diameter can achieve 31mm, but increase the normal work of grain diameter influence's concrete pump.Using three-level gradation
Seldom, current commerical ready-mixed concrete all uses second level gradation, finally assert cobble-stone diameter and gradation that original formulation is selected.
Sand: sand in use, place of production Changli.Coarse sand is best as required, but coarse sand influences the work of delivery pump, and is difficult
Suitable coarse sand is found, the middle sand amount containing soil in Changli is less, finally assert.
Cement: being the main material of gelling agent, and research on maximum utilized quantity national regulation regulation is not more than 380 kilograms, and minimum is not low
In 280 kilograms.But other materials can be added to 77 kilograms of miberal powder with replacing partial cement in this formula, miberal powder can be with
Equivalent replaces cement, be depending on grind fineness.Due to joined miberal powder cement consumption is declined, so that it is solid to reduce concrete
The heat of hydration discharged when change.
The ratio of mud: calculated value is 0.468；It is that joined pumping medicament, water-reducing agent can be played the role of,
Spoil degree of falling: control is in 14cm.It currently is in high temperature season, spoils too small, the delivery pump operational difficulties of degree of falling control.
Pumping admixture: concrete production producer is added to pumping admixture in the production process of concrete, can play diminishing, increase
Add incorporation degree, reduce the comprehensive functions such as pumping resistance.
Swelling agent: design requirement swell increment is greater than 2/1000ths.
Flyash: level-one flyash should be used by the requirement of country, currently in the fine coal in each power plant in Efficiency in Buildings in Tianjin Area
Ash is all second level, have to finally approve second class powered coal ash.
Step 2: water temperature is reduced in concrete whipping process, to absorb the part " heat of hydration " released when cement reaction；It is right
In a large amount of aggregate such as stone etc., is covered in storage and take watering cooling measure.
In construction, according to reservoir different part and position, suitable casting craft and mode are selected, using steel form
In the construction technology poured, include the following steps:
The process of the step 3 structures cooling device installation includes: to adopt respectively on the outside of the steel form of structures two sides
1.5 meters are from top to bottom spaced with DN25 polyethylene hose, horizontally disposed spray tube, on spray tube, ￠ 1mm is beaten at 0.5 meter of interval
Hole for water spraying；Gutter is set apart from 0.5 meter of position of structures bottom plate, and is not less than 4 cubic metres far from the setting of structures bottom plate
Collecting-tank collects spray return water；
The molding process of step 4 on-site concrete includes: 20 minutes unlatching spray tubes before casting concrete, into
The cooling of row template；End in 72 hours sprays after pouring；Water control is at vertical m/h of every linear meter(lin.m.) water consumption 0.2, hydraulic pressure,
Spray effect, which can normally be played, with top layer's horizontal shower pipe is advisable；
The process of the step 5 rapping maintenance includes: to complete 72 hours pouring, and starts to loosen template, and by top layer
Spray tube moves on to top, using maintenance of pouring water, closes other horizontal shower pipes；
It includes: form removal after 7 days that step 6 demoulding, which sprays wet-cured process, is transferred to spray maintenance and extremely conserves
Terminate；
The step 7: pouring construction is completed.
In the present invention, mountain flour can replace cement with equivalent, and flyash can replace 50% cement consumption, use " double-doped "
Method can largely reduce cement consumption, reduce the aquation Heat liberation unit that concrete chemically reacts, and control concreting
Temperature rise afterwards；Maximum composition in material is sand, stone, accounts for about 70% or more of concrete total weight；In summer, outdoor storage
Sand, stone temperature can achieve 70 DEG C or more, reduce the temperature of main aggregate, have important meaning to the control of concrete opening temperature
Justice.
In the present invention, when carrying out pouring construction using steel form, the spray tube of parallel interval setting is evenly arranged on structures
It is sprayed according to the different height that pours using the spray tube of corresponding position during gradually pouring from the bottom to top two sides
Leaching, to largely take away the heat generated in casting process；Spray tube is opened before casting concrete, for carrying out to steel form
Cooling, ends in 72 hours sprays after pouring, water control, and after pouring completion 72 hours, loosening template is by top layer
Spray tube moves up, form removal after 7 days, is transferred to spray maintenance until conserving the cooperation of each process terminated, can reach and construct
Object temperature rapid decrease effectively prevent the job requirement of cracking.
Claims (3)
1. hot environment concrete water handles steel form structures anticracking construction method, it is characterised in that: include the following steps,
Step 1: preparation of construction；
Step 2: material cooling measure；
Step 3: the installation of structures cooling device；
Step 4: on-site concrete molding；
Step 5: rapping maintenance；
Step 6: demoulding sprays wet curing；
Step 7: completing pouring construction.
2. hot environment concrete water according to claim 1 handles steel form structures anticracking construction method, feature
It is:
The process of step 1 preparation of construction includes: to carry out concrete formulation design and experiment according to concrete design class,
Double-doped formula is carried out according to related standard and regulation, i.e., mixes mountain flour in concrete formulation and flyash, mountain flour can be with equivalent
Instead of cement；
The process of the step 2 material cooling measure includes: to carry out covering and spraying cooling to material, and control concrete goes out tank temperature
Degree is lower than 25 degrees Celsius.
3. hot environment concrete water according to claim 2 handles steel form structures anticracking construction method, feature
It is: in the construction technology poured using steel form,
The process of the step 3 structures cooling device installation includes: to be respectively adopted on the outside of the steel form of structures two sides
DN25 polyethylene hose is from top to bottom spaced 1.5 meters, and horizontally disposed spray tube, on spray tube, ￠ 1mm spray is played at 0.5 meter of interval
Water hole；Gutter is set apart from 0.5 meter of position of structures bottom plate, and is not less than 4 cubic metres of collection far from the setting of structures bottom plate
Spray return water is collected in pond；
The molding process of step 4 on-site concrete includes: 20 minutes unlatching spray tubes before casting concrete, carries out mould
Plate cooling；End in 72 hours sprays after pouring；Water control is at vertical m/h of every linear meter(lin.m.) water consumption 0.2, hydraulic pressure, with most
Upper layer horizontal shower pipe, which can normally play spray effect, to be advisable；
The process of the step 5 rapping maintenance includes: to pour completion 72 hours, starts to loosen template, and top layer is sprayed
Pipe moves on to top, using maintenance of pouring water, closes other horizontal shower pipes；
It includes: form removal after 7 days that step 6 demoulding, which sprays wet-cured process, and being transferred to spray maintenance to maintenance terminates；
The step 7: pouring construction is completed.
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| CN201810760898.0A CN109098460A (en) | 2018-07-12 | 2018-07-12 | Hot environment concrete water handles steel form structures anticracking construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810760898.0A CN109098460A (en) | 2018-07-12 | 2018-07-12 | Hot environment concrete water handles steel form structures anticracking construction method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103526761A (en) * | 2013-10-24 | 2014-01-22 | 中国一冶集团有限公司 | Large-sized concrete automatic temperature control and maintenance device and method |
| CN103883127A (en) * | 2014-04-14 | 2014-06-25 | 中国三冶集团有限公司第一建筑工程公司 | Basement exterior wall concrete curing device and construction method |
| CN105016671A (en) * | 2014-04-29 | 2015-11-04 | 黄贺明 | Superfluid self-compacting concrete and preparing method thereof |
| CN105256998A (en) * | 2015-09-22 | 2016-01-20 | 广西建工集团第三建筑工程有限责任公司 | Automatic in-situ concrete vertical structure maintaining method capable of circulating water |
| CN206646034U (en) * | 2017-04-06 | 2017-11-17 | 中交第一公路工程局有限公司 | The compound curing system of section concrete in being constructed applied to Hanging Basket cantilever pouring |
| CN107903083A (en) * | 2017-12-21 | 2018-04-13 | 中交公局海威工程建设有限公司 | Pier stud concrete curing structure and pier stud construction system |
-
2018
- 2018-07-12 CN CN201810760898.0A patent/CN109098460A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103526761A (en) * | 2013-10-24 | 2014-01-22 | 中国一冶集团有限公司 | Large-sized concrete automatic temperature control and maintenance device and method |
| CN103883127A (en) * | 2014-04-14 | 2014-06-25 | 中国三冶集团有限公司第一建筑工程公司 | Basement exterior wall concrete curing device and construction method |
| CN105016671A (en) * | 2014-04-29 | 2015-11-04 | 黄贺明 | Superfluid self-compacting concrete and preparing method thereof |
| CN105256998A (en) * | 2015-09-22 | 2016-01-20 | 广西建工集团第三建筑工程有限责任公司 | Automatic in-situ concrete vertical structure maintaining method capable of circulating water |
| CN206646034U (en) * | 2017-04-06 | 2017-11-17 | 中交第一公路工程局有限公司 | The compound curing system of section concrete in being constructed applied to Hanging Basket cantilever pouring |
| CN107903083A (en) * | 2017-12-21 | 2018-04-13 | 中交公局海威工程建设有限公司 | Pier stud concrete curing structure and pier stud construction system |
Non-Patent Citations (5)
| Title |
|---|
| 张斌: "大体积混凝土防止温度裂缝施工技术措施探讨" * |
| 王辉;: "大体积混凝土温度裂缝的分析与控制" * |
| 贾玲莎: "大体积混凝土的温控和防裂技术应用分析" * |
| 郝介江，张小强: "水处理构筑物混凝土结构渗裂控制" * |
| 黄国彬;: "浅谈大体积钢筋混凝土基础板温度裂缝控制措施" * |
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Application publication date: 20181228 |
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