CN106316269A - Light aggregate concrete - Google Patents
Light aggregate concrete Download PDFInfo
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- CN106316269A CN106316269A CN201610748355.8A CN201610748355A CN106316269A CN 106316269 A CN106316269 A CN 106316269A CN 201610748355 A CN201610748355 A CN 201610748355A CN 106316269 A CN106316269 A CN 106316269A
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- concrete
- light aggregate
- aggregate concrete
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- haydite
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Classifications
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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
- 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
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/40—Porous or lightweight materials
-
- 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
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
-
- 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
Abstract
Provided is light aggregate concrete. The light aggregate concrete is prepared from, by weight, 98 parts of cement, 66 parts of fly ash, 89 parts of ceramsite, 238 parts of fine aggregates, 3.2 parts of a water reducing agent, 3.2 parts of a synergist, 2.6 parts of sodium monofluorophosphate, 3.1 parts of sodium alginate and 54 parts of water. According to the light aggregate concrete, not only can the working property requirements be met, but also a shrinkage compensating function is achieved; in addition, by adding sodium monofluorophosphate and sodium alginate in the concrete, the corrosion resistance and the cracking resistance of the concrete are greatly enhanced, and then the application range of the concrete is greatly widened. More importantly, the light aggregate concrete has the good heat preservation and thermal insulation effects, the few slump loss is generated, and therefore the economic benefit is greatly increased.
Description
Technical field
The present invention relates to building material field, particularly to a kind of light aggregate concrete.
Background technology
Light aggregate concrete is by formulated apparent close of light coarse aggregate, light fine aggregate (or normal sands), cement and water
Degree is not more than the concrete of 1950kg/m3.Wherein, lightweight fine aggregate the formulated lightweight aggregate concrete of aggregate is made for complete light
Concrete；Being done the formulated lightweight aggregate concrete of fine aggregate by normal sands or part lightweight fine aggregate is sand lightweight concrete.Gently
Aggregate concrete, with its lightweight, high-strength, insulation, heat insulation, antidetonation, the functional characteristics such as wear-resisting, is widely used in all kinds of engineering.
In prior art, in order to improve further the insulation of light aggregate concrete, the feature such as heat insulation, wear-resisting, so
People, producing light aggregate concrete when, can utilize haydite to be added as the lightweight aggregate of light aggregate concrete.
But, owing to the porosity of haydite concrete is relatively big, water absorption rate is higher, is easily caused the slump of fresh concrete
Loss is relatively big, therefore needs emphasis to consider slump gradual loss when producing light aggregate concrete.
Summary of the invention
It is an object of the invention to provide and a kind of there is good heat-insulation and heat-preservation function and the little light-weight aggregate of loss of slump mixes
Solidifying soil.
The above-mentioned purpose of the present invention has the technical scheme that a kind of light aggregate concrete, including with
Lower composition, counts by weight, cement 96～100 parts, flyash 62～70 parts, haydite 86～92 parts, fine aggregate 230～246
Part, water reducer 3.0～3.4 parts, synergist 2.8～3.6 parts, sodium monofluorophosphate 2.4～2.8 parts, sodium alginate 2.8～3.4 parts,
Water 50～58 parts.
As preferably, including following composition, count by weight, cement 98 parts, 66 parts of flyash, haydite 89 parts, thin bone
Expect 238 parts, water reducer 3.2 parts, synergist 3.2 parts, sodium monofluorophosphate 2.6 parts, sodium alginate 3.1 parts, 54 parts of water.
The concrete of the present invention with the addition of sodium monofluorophosphate, its can with in the coarse aggregate in concrete and fine aggregate
The mineral salts such as calcium phosphorus form fluorine-containing re-mineralization system, and during this, fluorion can replace the hydroxyl in mineral salt, is formed fluorine-containing
Mineral salt, strengthens the ability of agent on crack resistance of concrete acid corrosion after solidifying.It addition, the aqueous solution of sodium monofluorophosphate have significantly sterilization and
The effect of suppression growth of microorganism, thus be also beneficial to prevent fungus from growing on this concrete and causing the relaxed and comfortable stripping of concrete
From.
Meanwhile, sodium alginate is the macromolecular compound of a kind of high viscosity.Its difference with starch, cellulose etc.,
It is that it has carboxyl, is the high polyuronide that formed with glycosidic bond of the aldehyde radical of beta-D-mannuronic acid.Therefore, the glue material to concrete
Good synergism can be played, be conducive to the active force very within high concrete.And it is wire polyelectrolyte,
So can also toughness within Concrete Structure, improve concrete and prevent the ability of be full of cracks.It addition, sodium alginate or
Planting good emulsifying agent and dispersant, its each material that can aid in concrete can obtain Quick uniform to be disperseed rapidly
Come, and its a kind of potent stabilizer, be conducive to improving the stability of concrete.It is additionally, since sodium alginate tool
There is high viscosity, so the problem that its slump that haydite can be overcome to bring is big.
As preferably, water reducer is polycarboxylic acid retarding high efficiency water reducing agent and the mixture of bitter edible plant based water reducer.
As preferably, the weight ratio of polycarboxylic acid retarding high efficiency water reducing agent and bitter edible plant based water reducer is 1: 1～2.
Polycarboxylic acid retarding high efficiency water reducing agent is to be prepared by high-efficiency water-reducing agent of poly-carboxylic acid and retarder are compounding, and it can not only prolong
The setting time of long concrete, reduce slump-loss, it is ensured that the normal construction of concrete.It addition, polycarboxylic acid retarding is efficient
Water reducer is good with the intermiscibility of bitter edible plant based water reducer, and is not not likely to produce layering or deposited phenomenon.
Meanwhile, bitter edible plant based water reducer belongs to anionic surfactant, can produce monomolecular adsorption layer on cement surface,
The molecular property on interface and interaction of molecules characteristic is made to change a lot.This surfactant is dissociated into into molecule
Anion and metal cation, present the macromole Anion-adsorption of stronger surface activity on cement particle surface, make water
Mud granule entirety is electronegative, makes cement granules spread out owing to same sex electric charge repels each other.And the efficient diminishing of polycarboxylic acid retarding
-the COO contained in agent molecule-, the group such as-OH is also to be adsorbed by cement granules by electrostatic interaction.But due to polycarboxylic acid retarding
High efficiency water reducing agent contains more long-chain branch, and it is not only by electrostatic repulsion, and comes more by space steric effect
Play plastication.
As preferably, described synergist is CTF synergist and the mixture of LBD synergist.
As preferably, the weight ratio of CTF synergist and LBD synergist is 1: 1～1.5.
CTF synergist is a kind of compound material, and wherein based on Organic substance, its mechanism of action is similar to plasticiser.
And CTF synergist and naphthalene water reducer are disperseing inorganic insoluble particles, its dispersion effect is significantly better than being used alone naphthalene system diminishing
Agent disperses inorganic insoluble particles.Hydrone is thus made to be fully contacted with the inorganic insoluble particles in concrete.Therefore, use
CTF synergist can effectively reduce present in concrete system not aquation or the insufficient phenomenon of aquation.
Meanwhile, after adding LBD synergist, concrete workability is all improved increases with divergence, and without excreting water phenomenon,
Cohesiveness and water-retaining property are improved, this is because the addition of LBD synergist promotes the dispersion of cement granules, and then make water
The parcel ability gathered materials is strengthened by slurry body so that concrete workability improves.Under natural conditions, be gelled in concrete material
The aquation of material is long-term, has the cement of nearly 20%～30% not have complete aquation simply to play filling and make in matured concrete
With.And LBD synergist can promote the aquation of cement, reduce hydration heat of cement, improving degree of hydration, therefore, concrete is subtracting
While few cement consumption, concrete still presents good service behaviour.Meanwhile, it additionally aids the increasing of concrete 's air-containing
Add, also contribute to the improvement of working performance of concrete to a certain extent, so favourable to the durability of concrete.
As preferably, described fine aggregate is the mixture of natural river sand and Machine-made Sand.
As preferably, the weight ratio of natural river sand and Machine-made Sand is 1: 1.2～1.3.
As preferably, the modulus of fineness of natural river sand is 1.6, and apparent density is 2870kg/m3, the modulus of fineness of Machine-made Sand
Being 3.1, apparent density is 2700kg/m3。
Modulus of fineness is the natural river sand of 1.6 and counts the Machine-made Sand that modulus is 3.1 accurately, is so on the one hand conducive to improving and mixes
The rheological characteristic of solidifying soil, meanwhile, is also beneficial to improve the demoulding efficiency of concrete.It addition, employment mechanism sand and natural river sand are carried out
Mixing, so can greatly reduce the salvaging cost of natural river sand, thus be also beneficial to improve the economic effect of light aggregate concrete
Benefit.
As preferably, described haydite is aluminum vanadine haydite and the mixture of coal gangue haydite, aluminum vanadine haydite and gangue
The weight ratio of haydite is 1: 1～1.5.
Aluminum vanadine haydite is a kind of proppant for oil fracturing, and adds light-weight aggregate coagulation to as coarse aggregate
In soil, it can not only strengthen the intensity of light aggregate concrete effectively, and meanwhile, it can also further enhance light-weight aggregate coagulation
High temperature resistant, the function such as high pressure, flow conductivity are strong and corrosion-resistant of soil.
And coal gangue haydite has certain expansion character, rise and light aggregate concrete can be played good compensation receipts
Contracting.
In sum, the method have the advantages that
1. in concrete, add sodium monofluorophosphate and sodium alginate, thus greatly strengthen the anticorrosive of concrete and freedom from cracking
Function, and then significantly widened the range of concrete；
2.CTF synergist is mixed with naphthalene water reducer, it is possible to preferably inorganic insoluble particles in dispersion concrete, it is thus possible to have
Effect reduces present in concrete system not aquation or the insufficient phenomenon of aquation；
3. and the addition of LBD synergist can either the service behaviour of Concrete Structure, meanwhile, also greatly reduce making of cement amount
With, thus be conducive to increasing economic efficiency.
Accompanying drawing explanation
Fig. 1 is the preparation technology flow chart of light aggregate concrete.
Detailed description of the invention
Below in conjunction with accompanying drawing 1, the present invention is described in further detail.
Embodiment 1:
Step one: weigh 1.5kg polycarboxylic acid retarding high efficiency water reducing agent and 1.5kg bitter edible plant based water reducer joins in blender and fills
Divide and be mixed to prepare mixing water reducer, using as standby；
Step 2: weigh 96kg cement, 62kg flyash, 43kg aluminum vanadine haydite, 43kg coal gangue haydite, 104.5kg natural
Fluvial sand, 125.5kg Machine-made Sand and 50kg water join in mixing agitator, and are stirred with the rotating speed of 300rpm, meanwhile, and
Adding mixed expanded dose in step one and step 2 and mixing water reducer, mixing time controls at about 45min；
Step 3: weigh 1.4kgCTF synergist, 1.4kgLBD synergist, 2.4kg sodium monofluorophosphate and 2.8kg sodium alginate and add
Enter in the mixing agitator in step 2, and be stirred 10min again with the rotating speed of 300rpm, thus get product.
Wherein, aluminum vanadine haydite and coal gangue haydite are 5～25mm continuous grading rubbles, density rating 400, cylinder pressure
Degree 2.0MPa, dry and soft bulk density 410kg/m3, saturated water absorption 12.0%.And the modulus of fineness of natural river sand is 1.6, apparent close
Degree is 2870kg/m3, the modulus of fineness of Machine-made Sand is 3.1, and apparent density is 2700kg/m3。
Embodiment 2:
Step one: weigh 1.14kg polycarboxylic acid retarding high efficiency water reducing agent and 2.26kg bitter edible plant based water reducer joins in blender and carries out
It is sufficiently mixed and prepares mixing water reducer, using as standby；
Step 2: weigh 100kg cement, 70kg flyash, 36.8kg aluminum vanadine haydite, 55.2kg coal gangue haydite, 107kg days
So fluvial sand, 139kg Machine-made Sand and 58kg water join in mixing agitator, and are stirred with the rotating speed of 300rpm, meanwhile, and
Adding mixed expanded dose in step one and step 2 and mixing water reducer, mixing time controls at about 45min；
Step 3: weigh 1.44kgCTF synergist, 2.16kgLBD synergist, 2.8kg sodium monofluorophosphate and 3.4kg sodium alginate
Join in the mixing agitator in step 2, and be stirred 10min again with the rotating speed of 300rpm, thus get product.
Wherein, aluminum vanadine haydite and coal gangue haydite are 5～25mm continuous grading rubbles, density rating 400, cylinder pressure
Degree 2.0MPa, dry and soft bulk density 410kg/m3, saturated water absorption 12.0%.And the modulus of fineness of natural river sand is 1.6, apparent close
Degree is 2870kg/m3, the modulus of fineness of Machine-made Sand is 3.1, and apparent density is 2700kg/m3。
Embodiment 3:
Step one: weigh 1.28kg polycarboxylic acid retarding high efficiency water reducing agent and 1.92kg bitter edible plant based water reducer joins in blender and carries out
It is sufficiently mixed and prepares mixing water reducer, using as standby；
Step 2: weigh 98kg cement, 66kg flyash, 38.7kg aluminum vanadine haydite, 50.3kg coal gangue haydite, 105.8kg
Natural river sand, 132.2kg Machine-made Sand and 54kg water join in mixing agitator, and are stirred with the rotating speed of 300rpm, with
Time, and adding mixed expanded dose in step one and step 2 and mixing water reducer, mixing time controls at about 45min；
Step 3: weigh 1.28kgCTF synergist, 1.92kgLBD synergist, 2.6kg sodium monofluorophosphate and 3.1kg sodium alginate
Join in the mixing agitator in step 2, and be stirred 10min again with the rotating speed of 300rpm, thus get product.
Wherein, aluminum vanadine haydite and coal gangue haydite are 5～25mm continuous grading rubbles, density rating 400, cylinder pressure
Degree 2.0MPa, dry and soft bulk density 410kg/m3, saturated water absorption 12.0%.And the modulus of fineness of natural river sand is 1.6, apparent close
Degree is 2870kg/m3, the modulus of fineness of Machine-made Sand is 3.1, and apparent density is 2700kg/m3。
Embodiment 4:
Step one: weigh 1.14kg polycarboxylic acid retarding high efficiency water reducing agent and 2.26kg bitter edible plant based water reducer joins in blender and carries out
It is sufficiently mixed and prepares mixing water reducer, using as standby；
Step 2: weigh 96kg cement, 66kg flyash, 36.8kg aluminum vanadine haydite, 55.2kg coal gangue haydite, 105.8kg
Natural river sand, 132.2kg Machine-made Sand and 58kg water join in mixing agitator, and are stirred with the rotating speed of 300rpm, with
Time, and adding mixed expanded dose in step one and step 2 and mixing water reducer, mixing time controls at about 45min；
Step 3: weigh 1.28kgCTF synergist, 1.92kgLBD synergist, 2.4kg sodium monofluorophosphate and 3.4kg sodium alginate
Join in the mixing agitator in step 2, and be stirred 10min again with the rotating speed of 300rpm, thus get product.
Wherein, aluminum vanadine haydite and coal gangue haydite are 5～25mm continuous grading rubbles, density rating 400, cylinder pressure
Degree 2.0MPa, dry and soft bulk density 410kg/m3, saturated water absorption 12.0%.And the modulus of fineness of natural river sand is 1.6, apparent close
Degree is 2870kg/m3, the modulus of fineness of Machine-made Sand is 3.1, and apparent density is 2700kg/m3。
Embodiment 5:
Step one: weigh 1.28kg polycarboxylic acid retarding high efficiency water reducing agent and 1.92kg bitter edible plant based water reducer joins in blender and carries out
It is sufficiently mixed and prepares mixing water reducer, using as standby；
Step 2: weigh 100kg cement, 62kg flyash, 38.7kg aluminum vanadine haydite, 50.3kg coal gangue haydite, 107kg days
So fluvial sand, 139kg Machine-made Sand and 50kg water join in mixing agitator, and are stirred with the rotating speed of 300rpm, meanwhile, and
Adding mixed expanded dose in step one and step 2 and mixing water reducer, mixing time controls at about 45min；
Step 3: weigh 1.44kgCTF synergist, 2.16kgLBD synergist, 2.4kg sodium monofluorophosphate and 3.1kg sodium alginate
Join in the mixing agitator in step 2, and be stirred 10min again with the rotating speed of 300rpm, thus get product.
Wherein, aluminum vanadine haydite and coal gangue haydite are 5～25mm continuous grading rubbles, density rating 400, cylinder pressure
Degree 2.0MPa, dry and soft bulk density 410kg/m3, saturated water absorption 12.0%.And the modulus of fineness of natural river sand is 1.6, apparent close
Degree is 2870kg/m3, the modulus of fineness of Machine-made Sand is 3.1, and apparent density is 2700kg/m3。
Embodiment 6:
Step one: weigh 1.5kg polycarboxylic acid retarding high efficiency water reducing agent and 1.5kg bitter edible plant based water reducer joins in blender and fills
Divide and be mixed to prepare mixing water reducer, using as standby；
Step 2: weigh 98kg cement, 70kg flyash, 43kg aluminum vanadine haydite, 43kg coal gangue haydite, 104.5kg natural
Fluvial sand, 125.5kg Machine-made Sand and 54kg water join in mixing agitator, and are stirred with the rotating speed of 300rpm, meanwhile, and
Adding mixed expanded dose in step one and step 2 and mixing water reducer, mixing time controls at about 45min；
Step 3: weigh 1.4kgCTF synergist, 1.4kgLBD synergist, 2.8kg sodium monofluorophosphate and 2.8kg sodium alginate and add
Enter in the mixing agitator in step 2, and be stirred 10min again with the rotating speed of 300rpm, thus get product.
Wherein, aluminum vanadine haydite and coal gangue haydite are 5～25mm continuous grading rubbles, density rating 400, cylinder pressure
Degree 2.0MPa, dry and soft bulk density 410kg/m3, saturated water absorption 12.0%.And the modulus of fineness of natural river sand is 1.6, apparent close
Degree is 2870kg/m3, the modulus of fineness of Machine-made Sand is 3.1, and apparent density is 2700kg/m3。
According to slump flowing test method, V-type funnel testing method and the L box test method(s) self-compaction swelled mixture to the present invention
Solidifying soil is tested, it is thus achieved that the data of table 1 below:
Table 1 is service behaviour and the intensity experiment result of light aggregate concrete
The light aggregate concrete of the present invention has the advantage that as seen from the above table
The most lightweight, than normal concrete light 2/3～1/5, owing to from heavy and light, foundation load can be reduced, thus can make whole building
Build thing weight reduction；
2. insulation, heat-proof quality is good.Because of its internal porous, and haydite concrete heat conductivity is generally 0.2～0.7KCAL/
M.0C.N, lower 1～2 times than normal concrete, therefore can thinning thickness of wall body, correspondingly increase living space, equivalent wall thickness
Under the conditions of, room heat insulation heat-proof quality can be substantially improved；
3. light aggregate concrete impermeability is good.Haydite surface ratio rubble is coarse, has certain water absorbing capacity, so haydite and cement
Cementitiousness between sand prize is relatively strong, thus haydite concrete has higher impermeability and durability；
4. excellent fire retarding performance: ordinary fly ash haydite concrete or the insulation of ceramsite building block collection, antidetonation, freeze proof, fire-resistant
Etc. performance in one, particularly fire resistance is more than 4 times of normal concrete.To identical fire-resistant cycle, the plate of haydite concrete
Material thickness is than normal concrete thin 20%.Additionally, lytag can also prepare the refractory concrete of refractoriness less than 1200 DEG C
Soil.Under the high temperature of 650 DEG C, haydite concrete can maintain under room temperature the 85% of intensity.And normal concrete can only maintain room temperature
The 35%～75% of lower intensity；
5. construction adaptability is strong: it not only can make different unit weight with strong according to the different purposes of building and bearing capacity
The concrete material (becoming for structure or the load-carrying members of insulation according to it) of degree, and easy construction, be adapted to each
Planting construction method and carry out industrialized production, it not only can use gives the technique processed various types of components of making (such as plate, block, beam, post
Deng) and cast-in-place mechanized construction can be used；
6. anti-seismic performance is good: haydite concrete is due to light weight, and elastic modelling quantity is low, and anti-deformation is good, therefore has the most anti-
Shock stability；
7. acid and alkali resistance corrosion and anti-freezing property are better than normal concrete；
8. its slump loss is little, is greatly saved construction cost, improves economic benefit.
This specific embodiment is only explanation of the invention, and it is not limitation of the present invention, people in the art
The present embodiment can be made after reading this specification by member as required does not has the amendment of creative contribution, but as long as at this
All protected by Patent Law in the right of invention.
Claims (10)
1. a light aggregate concrete, including following composition, counts by weight,
A kind of light aggregate concrete the most according to claim 1, including following composition, counts by weight,
A kind of light aggregate concrete the most according to claim 1 and 2, it is characterised in that: water reducer is that polycarboxylic acid retarding is high
Effect water reducer and the mixture of bitter edible plant based water reducer.
A kind of light aggregate concrete the most according to claim 3, it is characterised in that: polycarboxylic acid retarding high efficiency water reducing agent and the bitter edible plant
The weight ratio of based water reducer is 1: 1～2.
A kind of light aggregate concrete the most according to claim 1 and 2, it is characterised in that: described synergist is CTF synergist
Mixture with LBD synergist.
A kind of light aggregate concrete the most according to claim 5, it is characterised in that: CTF synergist and the weight of LBD synergist
Amount ratio is 1: 1～1.5.
A kind of light aggregate concrete the most according to claim 1 and 2, it is characterised in that: described fine aggregate is natural river sand
Mixture with Machine-made Sand.
A kind of light aggregate concrete the most according to claim 7, it is characterised in that: natural river sand and the weight ratio of Machine-made Sand
It is 1: 1.2～1.3.
A kind of light aggregate concrete the most according to claim 8, it is characterised in that: the modulus of fineness of natural river sand is 1.6,
Apparent density is 2870kg/m3, the modulus of fineness of Machine-made Sand is 3.1, and apparent density is 2700kg/m3。
A kind of light aggregate concrete the most according to claim 1, it is characterised in that: described haydite be aluminum vanadine haydite and
The mixture of coal gangue haydite, the weight ratio of aluminum vanadine haydite and coal gangue haydite is 1: 1～1.5.
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| CN106904883A (en) * | 2017-02-23 | 2017-06-30 | 杭州筑乐科技有限公司 | Concrete and preparation method thereof |
| CN108147721A (en) * | 2017-12-20 | 2018-06-12 | 石永明 | A kind of elastic concrete |
| CN109503050A (en) * | 2018-12-03 | 2019-03-22 | 嘉兴市康立德构件有限公司 | A kind of concrete and preparation method thereof |
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| CN112408894A (en) * | 2020-11-21 | 2021-02-26 | 湖北云海混凝土有限公司 | Lightweight aggregate concrete and preparation method thereof |
| CN112441781A (en) * | 2020-11-21 | 2021-03-05 | 湖北云海混凝土有限公司 | LC (liquid Crystal) all-light concrete and preparation method thereof |
| CN113072341A (en) * | 2021-04-15 | 2021-07-06 | 杨荣飞 | Portland cement radiation-proof concrete and production process thereof |
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| CN113929361A (en) * | 2020-06-29 | 2022-01-14 | 海南福力混凝土配送有限公司 | Lightweight aggregate concrete and preparation method thereof |
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| CN112408894A (en) * | 2020-11-21 | 2021-02-26 | 湖北云海混凝土有限公司 | Lightweight aggregate concrete and preparation method thereof |
| CN112441781A (en) * | 2020-11-21 | 2021-03-05 | 湖北云海混凝土有限公司 | LC (liquid Crystal) all-light concrete and preparation method thereof |
| CN113443887A (en) * | 2021-03-25 | 2021-09-28 | 杨荣飞 | Water glass concrete and preparation method thereof |
| CN113072341A (en) * | 2021-04-15 | 2021-07-06 | 杨荣飞 | Portland cement radiation-proof concrete and production process thereof |
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