CN108842723A - A kind of thin plate construction of concrete lining method - Google Patents
A kind of thin plate construction of concrete lining method Download PDFInfo
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- CN108842723A CN108842723A CN201810806139.3A CN201810806139A CN108842723A CN 108842723 A CN108842723 A CN 108842723A CN 201810806139 A CN201810806139 A CN 201810806139A CN 108842723 A CN108842723 A CN 108842723A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B5/00—Artificial water canals, e.g. irrigation canals
- E02B5/02—Making or lining canals
-
- 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/08—Slag cements
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention relates to a kind of thin plate construction of concrete lining methods, belong to technical field of building construction, cleaning including slope surface and compacting leveling, slope surface be laid with sandy gravel loaded filter, be laid with lower composite geo-membrane, be laid with geotextiles, the upper composite geo-membrane of layings, the preparation of concrete, the pouring of lower-layer concrete panel, the pouring of upper layer concrete slab, finisher is plastered and manually press polish, the maintenance of concrete.Thin plate construction of concrete lining method of the invention, it is rolled and is tamped in slope surface, pouring for concrete slab is divided into pouring for lower-layer concrete panel and pouring for upper layer concrete slab simultaneously, improve the compression strength and tensile splitting strength of concrete, in combination with lower composite geo-membrane, the mutual cooperation of geotextiles, upper composite geo-membrane, the concrete-lined antiseepage effect of thin plate is improved, the concrete-lined service life of thin plate is extended.
Description
Technical field
The present invention relates to technical field of building construction, more specifically, it is related to a kind of thin plate construction of concrete lining side
Method.
Background technique
Traditional large channel lining project construction technology is generally mainly grouted using slip form concreting or use mixed
Solidifying soil prefabricated board lining cutting.When using slipform lining, the uniformity and flat appearance degree of concrete are poor, and speed of application is slower；It adopts
When with grouting concrete prefabricated board lining cutting, puzzle joint area accounts for about the 10% of the lining cutting gross area, and there are long in puzzle joint mortar cracking, seam
Grass, lining cutting body unstable failure phenomenon, concrete lining course antiseepage effect are lower.
Summary of the invention
The purpose of the present invention is to provide a kind of thin plate construction of concrete lining methods, not only increase the anti-of concrete
Compressive Strength and tensile splitting strength are improved in combination with lower composite geo-membrane, the mutual cooperation of geotextiles, upper composite geo-membrane
The concrete-lined antiseepage effect of thin plate, extends thin plate concrete-lined service life.Simultaneously because being added in coarse aggregate
The fried mixing of discarded concrete, reduces construction cost.
Above-mentioned technical purpose of the invention technical scheme is that：
A kind of thin plate construction of concrete lining method, includes the following steps：
（1）Slope surface is cleared up, thin plate concrete lining side is laid in canal dike and fills the canal dike soil body, and extra-fill 30-40cm, later
It is rolled with self-propelled vibrating roller along channel direction walking, is carried out cutting slope from top to bottom with backacter, and eliminate extra-fill part,
Then compacting leveling is carried out to slope surface with dynamic compaction machinery, makes head fall 1-5%, cross fall 1:1-3；
（2）It is successively laid with sandy gravel loaded filter, lower composite geo-membrane, geotextiles, upper composite geo-membrane from bottom to top in slope surface；
（3）Water, cement, coarse aggregate, sand, flyash, high efficiency water reducing agent, air entraining agent, retarder are stirred, coagulation is formed
Soil, the slump of concrete are 90-130mm；
（4）In upper composite geo-membrane far from slope surface side vibration sliding-mode lining machine continuous concrete, the thickness of concrete
For 10-12cm, lower-layer concrete panel is formed；
（5）After slope surface displacement is stablized, it is laid with and is connected with vibration sliding-mode lining machine far from slope surface side in lower-layer concrete panel layer
Continuous casting concrete, concrete with a thickness of 5-8cm, form upper layer concrete slab；
（6）After the completion of concreting, static 1-2h is plastered with finisher, artificial press polish；
（7）On upper layer, concrete surface plate surface sprays curing agent, and is laid with two layers of plastic film in upper layer concrete surface plate surface, together
When cover two layers of woven straw, conserve 7-10 days, remove woven straw, plastic foil later, and in the progress of upper layer concrete surface plate surface
Watering moisturizing, conserves 21-25 days, completes thin plate construction of concrete lining.
By using above-mentioned technical proposal, leveling is rolled and tamped in slope surface, while concrete slab pours point
For pouring for lower-layer concrete panel and pouring for upper layer concrete slab, the compression strength and Split-tension of Rolled of concrete are improved
Intensity improves thin plate concrete lining in combination with lower composite geo-membrane, the mutual cooperation of geotextiles, upper composite geo-membrane
Antiseepage effect, extend the concrete-lined service life of thin plate.
Preferably, the concrete, prepares with the following method：Water, cement, sand, flyash are put into stirring
In kettle, 30-40min is stirred, puts into high efficiency water reducing agent later, continues to stir 5-8min, investment air entraining agent, retarder stirring are mixed
It closes, continues to stir 20-30min, then put into coarse aggregate, continue to stir 10-15min, obtain concrete.
By using above-mentioned technical proposal, mixing each raw material of concrete in batches not only increases concrete
Uniformity, while improving the compression strength and tensile splitting strength of concrete.
Preferably, the concrete, according to parts by weight, raw material include 98-120 parts of water, 171-195 parts of cement,
1250-1420 parts of coarse aggregate, 652-723 parts of sand, 65-73 parts of flyash, 4.1-4.6 parts of high efficiency water reducing agent, air entraining agent 2.2-
2.7 parts, 1.1-1.23 parts of retarder.
Preferably, the concrete, according to parts by weight, raw material include 110 parts of water, 183 parts of cement, coarse aggregate
1362 parts, 684 parts of sand, 69 parts of flyash, 4.22 parts of high efficiency water reducing agent, 2.46 parts of air entraining agent, 1.15 parts of retarder.
By using above-mentioned technical proposal, each raw material proportioning of concrete is optimized, concrete is further increased
Compression strength and tensile splitting strength.
Preferably, the coarse aggregate include the middle stone of 10-20mm, the handstone of 5-10mm, 5-25mm it is discarded mixed
Solidifying soil slag, the weight of the middle stone account for the 48-55wt% of coarse aggregate total weight, and the weight of the handstone accounts for coarse aggregate gross weight
The weight of the 31-39wt% of amount, the discarded concrete slag account for the 6-21wt% of coarse aggregate total weight.
By using above-mentioned technical proposal, the mutual cooperation of middle stone and handstone further improves the anti-of concrete
Compressive Strength and tensile splitting strength, while discarded concrete slag being added in coarse aggregate, in the case where guaranteeing concrete quality,
Reduce construction cost.
Preferably, the weight of the middle stone accounts for the 52wt% of coarse aggregate total weight, and the weight of the handstone accounts for rough set
Expect the 35wt% of total weight, the weight of the discarded concrete slag accounts for the 13wt% of coarse aggregate total weight.
By using above-mentioned technical proposal, centering stone, handstone, discarded concrete slag proportion optimize, improve
The compression strength and tensile splitting strength of concrete.
Preferably, the cement is selected from ordinary portland cement, portland cement, KS- slag cements.
Preferably, the high efficiency water reducing agent is polycarboxylate water-reducer, naphthalene water reducer, lignin sulfonic acid sodium salt water-reducing agent
One of or it is a variety of.
Preferably, the air entraining agent is fatty alcohol sulfonate class air entraining agent, rosin tree lipid air entraining agent, alkyl benzene sulphonate
One of salt air entraining agent is a variety of.
Preferably, the retarder is cellulose family retarder, in phosphoric acid class retarder, hydroxycarboxylic acid retarder
It is one or more.
By using above-mentioned technical proposal, cement, high efficiency water reducing agent, air entraining agent, retarder are optimized respectively, it can be with
It is selected according to the actual situation, in the case where guaranteeing that concrete performance is met the requirements, reduces production cost.
In conclusion the invention has the advantages that：
The first, thin plate construction of concrete lining method of the invention, compression strength and the splitting for not only increasing concrete are anti-
Tensile strength improves thin plate concrete lining in combination with lower composite geo-membrane, the mutual cooperation of geotextiles, upper composite geo-membrane
The antiseepage of block acts on, and extends the concrete-lined service life of thin plate.
The second, by the way that leveling is rolled and tamped to slope surface, and concrete slab is poured in two times, that is, under completing
After layer concrete panel pours, after slope surface displacement steadily, pouring for upper layer concrete slab is being carried out, is being further increased
The compression strength and tensile splitting strength of concrete.
Third, the optimization by matching to concrete material, compression strength and the splitting for further improving concrete are anti-
Tensile strength.
4th, by the mutual cooperation of both middle stone and handstone, the compression strength of concrete is further improved
And tensile splitting strength, while addition discarded concrete slag is reduced in the case where guaranteeing concrete quality in coarse aggregate
Construction cost.
Specific embodiment
Invention is further described in detail with reference to embodiments.It should be understood that described in the embodiment of the present invention
Preparation method is only used for illustrating the present invention, rather than limiting the invention, to this hair under concept thereof of the invention
The simple modifications of bright preparation method belong to the scope of protection of present invention.
The raw material weight percentage of coarse aggregate in 1 embodiment of table（Unit：wt%）
Each material content of concrete in 2 embodiment of table（Unit：Kg）
Embodiment 1
（1）Slope surface is cleared up, thin plate concrete lining side is laid in canal dike and fills the canal dike soil body, and extra-fill 30cm, Zhi Houyong
Self-propelled vibrating roller is rolled along channel direction walking, is carried out cutting slope from top to bottom with backacter, and eliminate extra-fill part, so
Compacting leveling is carried out to slope surface with dynamic compaction machinery afterwards, makes head fall 1%, cross fall 1:1；
（2）It is successively laid with sandy gravel loaded filter, lower composite geo-membrane, geotextiles, upper composite geo-membrane from bottom to top in slope surface；
（3）By water, portland cement, coarse aggregate, sand, flyash, lignin sulfonic acid sodium salt water-reducing agent, rosin tree lipid bleed
Agent, cellulose family retarder are stirred, and form concrete, and the slump of concrete is 130mm；
（4）In upper composite geo-membrane far from slope surface side vibration sliding-mode lining machine continuous concrete, the thickness of concrete
For 10cm, lower-layer concrete panel is formed；
（5）After slope surface displacement is stablized, it is laid with and is connected with vibration sliding-mode lining machine far from slope surface side in lower-layer concrete panel layer
Continuous casting concrete, concrete with a thickness of 8cm, form upper layer concrete slab；
（6）After the completion of concreting, static 1h is plastered with finisher, artificial press polish；
（7）On upper layer, concrete surface plate surface sprays curing agent, and is laid with two layers of plastic film in upper layer concrete surface plate surface, together
When cover two layers of woven straw, conserve 10 days, remove woven straw, plastic foil later, and spilt in upper layer concrete surface plate surface
Water moisturizing conserves 21 days, completes thin plate construction of concrete lining.
Wherein, concrete is prepared with the following method：Water, portland cement, sand, flyash are put into stirred tank
In, stir 30min, later put into lignin sulfonic acid sodium salt water-reducing agent, continue stir 8min, investment rosin tree lipid air entraining agent,
Cellulose family retarder is stirred, and is continued to stir 20min, is then put into coarse aggregate, is continued to stir 15min, is obtained concrete.
Embodiment 2-3
It is in place of the difference of embodiment 2-3 and embodiment 1, the raw material proportioning for preparing concrete is different, as shown in Table 1 and Table 2.
Embodiment 4
（1）Slope surface is cleared up, thin plate concrete lining side is laid in canal dike and fills the canal dike soil body, and extra-fill 35cm, Zhi Houyong
Self-propelled vibrating roller is rolled along channel direction walking, is carried out cutting slope from top to bottom with backacter, and eliminate extra-fill part, so
Compacting leveling is carried out to slope surface with dynamic compaction machinery afterwards, makes head fall 3%, cross fall 1:2；
（2）It is successively laid with sandy gravel loaded filter, lower composite geo-membrane, geotextiles, upper composite geo-membrane from bottom to top in slope surface；
（3）By water, KS- slag cements, coarse aggregate, sand, flyash, polycarboxylate water-reducer, fatty alcohol sulfonate class air entraining agent,
Hydroxycarboxylic acid retarder is stirred, and forms concrete, and the slump of concrete is 110mm；
（4）In upper composite geo-membrane far from slope surface side vibration sliding-mode lining machine continuous concrete, the thickness of concrete
For 11cm, lower-layer concrete panel is formed；
（5）After slope surface displacement is stablized, it is laid with and is connected with vibration sliding-mode lining machine far from slope surface side in lower-layer concrete panel layer
Continuous casting concrete, concrete with a thickness of 7cm, form upper layer concrete slab；
（6）After the completion of concreting, static 1.5h is plastered with finisher, artificial press polish；
（7）On upper layer, concrete surface plate surface sprays curing agent, and is laid with two layers of plastic film in upper layer concrete surface plate surface, together
When cover two layers of woven straw, conserve 9 days, remove woven straw, plastic foil later, and sprinkle water in upper layer concrete surface plate surface
Moisturizing conserves 23 days, completes thin plate construction of concrete lining.
Wherein, concrete is prepared with the following method：Water, KS- slag cements, sand, flyash are put into stirred tank
In, 35min is stirred, puts into polycarboxylate water-reducer later, continues to stir 7min, puts into fatty alcohol sulfonate class air entraining agent, hydroxyl
Carboxylic acids retarder is stirred, and is continued to stir 25min, is then put into coarse aggregate, is continued to stir 12min, is obtained concrete.
Embodiment 5
（1）Slope surface is cleared up, thin plate concrete lining side is laid in canal dike and fills the canal dike soil body, and extra-fill 40cm, Zhi Houyong
Self-propelled vibrating roller is rolled along channel direction walking, is carried out cutting slope from top to bottom with backacter, and eliminate extra-fill part, so
Compacting leveling is carried out to slope surface with dynamic compaction machinery afterwards, makes head fall 5%, cross fall 1:3；
（2）It is successively laid with sandy gravel loaded filter, lower composite geo-membrane, geotextiles, upper composite geo-membrane from bottom to top in slope surface；
（3）By water, ordinary portland cement, coarse aggregate, sand, flyash, naphthalene water reducer, alkyl benzene sulfonate air entraining agent, phosphoric acid
Class retarder is stirred, and forms concrete, and the slump of concrete is 90mm；
（4）In upper composite geo-membrane far from slope surface side vibration sliding-mode lining machine continuous concrete, the thickness of concrete
For 12cm, lower-layer concrete panel is formed；
（5）After slope surface displacement is stablized, it is laid with and is connected with vibration sliding-mode lining machine far from slope surface side in lower-layer concrete panel layer
Continuous casting concrete, concrete with a thickness of 5cm, form upper layer concrete slab；
（6）After the completion of concreting, static 2h is plastered with finisher, artificial press polish；
（7）On upper layer, concrete surface plate surface sprays curing agent, and is laid with two layers of plastic film in upper layer concrete surface plate surface, together
When cover two layers of woven straw, conserve 7 days, remove woven straw, plastic foil later, and sprinkle water in upper layer concrete surface plate surface
Moisturizing conserves 25 days, completes thin plate construction of concrete lining.
Wherein, concrete is prepared with the following method：Water, ordinary portland cement, sand, flyash are put into stirred tank,
40min is stirred, puts into naphthalene water reducer later, continues to stir 5min, puts into alkyl benzene sulfonate air entraining agent, phosphoric acid class slow setting
Agent is stirred, and is continued to stir 30min, is then put into coarse aggregate, is continued to stir 10min, is obtained concrete.
Comparative example 1
The difference of comparative example 1 and embodiment 4 is, thin plate construction of concrete lining method and step（1）In not to slope surface carry out
Roll and tamp leveling.
Comparative example 2
The difference of comparative example 2 and embodiment 4 is, thin plate construction of concrete lining method is by step（5）Lower-layer concrete panel
Pour and step（6）A step is merged into pouring for upper layer concrete slab, i.e. concrete slab continuously poured in one forms.
Comparative example 3
The difference of comparative example 3 and embodiment 4 is, prepares in concrete without addition coarse aggregate.
Comparative example 4
The difference of comparative example 4 and embodiment 4 is, without stone in addition in the coarse aggregate in concrete.
Comparative example 5
The difference of comparative example 5 and embodiment 4 is, without addition handstone in the coarse aggregate in concrete.
Comparative example 6
The difference of comparative example 6 and embodiment 4 is, without addition discarded concrete slag in the coarse aggregate in concrete.
Test case
After maintenance 28 days, under conditions of -40 DEG C, to embodiment 1-5 and comparative example 1-6, compression strength and Split-tension of Rolled are carried out
The detection of intensity, testing result are as shown in table 3.
3 testing result of table
| Detection project | Compression strength/MPa | Tensile splitting strength/MPa |
| Embodiment 1 | 51 | 5.21 |
| Embodiment 2 | 55 | 5.34 |
| Embodiment 3 | 50 | 5.29 |
| Embodiment 4 | 62 | 5.38 |
| Embodiment 5 | 59 | 5.32 |
| Comparative example 1 | 23 | 1.74 |
| Comparative example 2 | 42 | 3.94 |
| Comparative example 3 | 18 | 1.46 |
| Comparative example 4 | 22 | 1.87 |
| Comparative example 5 | 31 | 3.01 |
| Comparative example 6 | 61 | 5.24 |
From table 3 it is observed that thin plate construction of concrete lining method of the invention, not only maintains normally applying for concrete
Work improves construction efficiency, while improving the compression strength and tensile splitting strength of concrete.Due to stone in coarse aggregate use
Son and handstone mixing, by the interaction of the two, further improve the compression strength and tensile splitting strength of concrete,
In combination with lower composite geo-membrane, the mutual cooperation of geotextiles, upper composite geo-membrane, the concrete-lined antiseepage of thin plate is improved
Effect extends the concrete-lined service life of thin plate.Since discarded concrete slag being added in coarse aggregate, guaranteeing concrete
In the case where quality, construction cost is reduced.
It is do not have by the difference place that comparative example 4 and comparative example 1-2 can be seen that comparative example 1 and embodiment 4
Leveling is rolled and tamped to slope surface；It is once to connect in concrete slab in place of the difference of comparative example 2 and embodiment 4 and pours
It builds, it can be seen that, after being rolled to slope surface and tamping leveling, hence it is evident that improve the compression strength and splitting of concrete
Tensile strength, while concrete slab being poured in two times, extend concrete surface and the time peeled off occur, prevents concrete from going out
Existing depression, improves and extends the concrete-lined service life of thin plate.
It is coagulation by the difference place that comparative example 4 and comparative example 3-5 can be seen that comparative example 3 and embodiment 4
Without addition coarse aggregate in soil；It is in coarse aggregate in place of the difference of comparative example 4 and embodiment 4 without stone in addition；Comparison
It is in coarse aggregate in place of the difference of example 5 and embodiment 4 without addition handstone；It can be seen that passing through middle stone and handstone
Mutual cooperation, hence it is evident that improve the compression strength and tensile splitting strength of concrete.Pass through comparative example 4 and comparative example again
6 in place of the difference of comparative example 6 and embodiment 4 as can be seen that be in coarse aggregate thus may be used without addition discarded concrete slag
See, adds a certain amount of discarded concrete slag, do not influence the performance of concrete, but be reduction of construction cost.
Claims (10)
1. a kind of thin plate construction of concrete lining method, it is characterised in that：Include the following steps：
（1）Slope surface is cleared up, thin plate concrete lining side is laid in canal dike and fills the canal dike soil body, and extra-fill 30-40cm, later
It is rolled with self-propelled vibrating roller along channel direction walking, is carried out cutting slope from top to bottom with backacter, and eliminate extra-fill part,
Then compacting leveling is carried out to slope surface with dynamic compaction machinery, makes head fall 1-5%, cross fall 1:1-3；
（2）It is successively laid with sandy gravel loaded filter, lower composite geo-membrane, geotextiles, upper composite geo-membrane from bottom to top in slope surface；
（3）Water, cement, coarse aggregate, sand, flyash, high efficiency water reducing agent, air entraining agent, retarder are stirred, coagulation is formed
Soil, the slump of concrete are 90-130mm；
（4）In upper composite geo-membrane far from slope surface side vibration sliding-mode lining machine continuous concrete, the thickness of concrete
For 10-12cm, lower-layer concrete panel is formed；
（5）After slope surface displacement is stablized, it is laid with and is connected with vibration sliding-mode lining machine far from slope surface side in lower-layer concrete panel layer
Continuous casting concrete, concrete with a thickness of 5-8cm, form upper layer concrete slab；
（6）After the completion of concreting, static 1-2h is plastered with finisher, artificial press polish；
（7）On upper layer, concrete surface plate surface sprays curing agent, and is laid with two layers of plastic film in upper layer concrete surface plate surface, together
When cover two layers of woven straw, conserve 7-10 days, remove woven straw, plastic foil later, and in the progress of upper layer concrete surface plate surface
Watering moisturizing, conserves 21-25 days, completes thin plate construction of concrete lining.
2. a kind of thin plate construction of concrete lining method according to claim 1, it is characterised in that：The concrete, is adopted
It prepares with the following method：Water, cement, sand, flyash are put into stirred tank, 30-40min is stirred, investment is efficient later
Water-reducing agent continues to stir 5-8min, and investment air entraining agent, retarder are stirred, and are continued to stir 20-30min, are then put into rough set
Material continues to stir 10-15min, obtains concrete.
3. a kind of thin plate construction of concrete lining method according to claim 1, it is characterised in that：The concrete, is pressed
Parts by weight meter, raw material include 98-120 parts of water, 171-195 parts of cement, 1250-1420 parts of coarse aggregate, sand 652-723
Part, 65-73 parts of flyash, 4.1-4.6 parts of high efficiency water reducing agent, 2.2-2.7 parts of air entraining agent, 1.1-1.23 parts of retarder.
4. a kind of thin plate construction of concrete lining method according to claim 3, it is characterised in that：The concrete, is pressed
Parts by weight meter, raw material include 110 parts of water, 183 parts of cement, 1362 parts of coarse aggregate, 684 parts of sand, 69 parts of flyash, efficiently
4.22 parts of water-reducing agent, 2.46 parts of air entraining agent, 1.15 parts of retarder.
5. a kind of thin plate construction of concrete lining method according to claim 3, it is characterised in that：The coarse aggregate includes
The middle stone of 10-20mm, the handstone of 5-10mm, 5-25mm discarded concrete slag, the weight of the middle stone accounts for coarse aggregate
The 48-55wt% of total weight, the weight of the handstone account for the 31-39wt% of coarse aggregate total weight, the discarded concrete slag
Weight accounts for the 6-21wt% of coarse aggregate total weight.
6. a kind of thin plate construction of concrete lining method according to claim 5, it is characterised in that：The weight of the middle stone
Amount accounts for the 52wt% of coarse aggregate total weight, and the weight of the handstone accounts for the 35wt% of coarse aggregate total weight, the discarded concrete
The weight of slag accounts for the 13wt% of coarse aggregate total weight.
7. a kind of thin plate construction of concrete lining method according to claim 1, it is characterised in that：The cement is selected from general
Silicon cement, portland cement, KS- slag cements.
8. a kind of thin plate construction of concrete lining method according to claim 1, it is characterised in that：The high efficiency water reducing agent
For one of polycarboxylate water-reducer, naphthalene water reducer, lignin sulfonic acid sodium salt water-reducing agent or a variety of.
9. a kind of thin plate construction of concrete lining method according to claim 1, it is characterised in that：The air entraining agent is rouge
One of fat alcohol Sulfonates air entraining agent, rosin tree lipid air entraining agent, alkyl benzene sulfonate air entraining agent are a variety of.
10. a kind of thin plate construction of concrete lining method according to claim 1, it is characterised in that：The retarder is
One of cellulose family retarder, phosphoric acid class retarder, hydroxycarboxylic acid retarder are a variety of.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110485377A (en) * | 2019-07-16 | 2019-11-22 | 中电建十一局工程有限公司 | A kind of light section canal lining construction method |
| CN111074851A (en) * | 2019-12-20 | 2020-04-28 | 湖北锦天禹建设工程有限公司 | Construction method for concrete lining at bottom of channel |
| CN111074852A (en) * | 2019-12-20 | 2020-04-28 | 湖北锦天禹建设工程有限公司 | Channel lining concrete cast-in-place method and nonlinear channel lining construction method |
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| CN110485377A (en) * | 2019-07-16 | 2019-11-22 | 中电建十一局工程有限公司 | A kind of light section canal lining construction method |
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| CN111074852A (en) * | 2019-12-20 | 2020-04-28 | 湖北锦天禹建设工程有限公司 | Channel lining concrete cast-in-place method and nonlinear channel lining construction method |
| CN111074851B (en) * | 2019-12-20 | 2021-09-10 | 湖北锦天禹建设工程有限公司 | Construction method for concrete lining at bottom of channel |
| CN111074852B (en) * | 2019-12-20 | 2021-10-12 | 湖北锦天禹建设工程有限公司 | Channel lining concrete cast-in-place method and nonlinear channel lining construction method |
| CN111302734A (en) * | 2020-03-17 | 2020-06-19 | 安徽农业大学 | Protective building material for farmland ditches and preparation method thereof |
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