CN110357518A - A kind of wet mixing mortar that plasticity is strong - Google Patents

A kind of wet mixing mortar that plasticity is strong Download PDF

Info

Publication number
CN110357518A
CN110357518A CN201910503225.1A CN201910503225A CN110357518A CN 110357518 A CN110357518 A CN 110357518A CN 201910503225 A CN201910503225 A CN 201910503225A CN 110357518 A CN110357518 A CN 110357518A
Authority
CN
China
Prior art keywords
water
blender
wet mixing
flyash
mortar
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910503225.1A
Other languages
Chinese (zh)
Inventor
赵卫星
麻晓波
朱科
李晨曦
薛金彪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yanghe River Jiangsu Xincheng New Material Co Ltd
Original Assignee
Yanghe River Jiangsu Xincheng New Material Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yanghe River Jiangsu Xincheng New Material Co Ltd filed Critical Yanghe River Jiangsu Xincheng New Material Co Ltd
Priority to CN201910503225.1A priority Critical patent/CN110357518A/en
Publication of CN110357518A publication Critical patent/CN110357518A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02Compositions 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
    • C04B28/04Portland cements

Abstract

The invention discloses a kind of wet mixing mortars that plasticity is strong, including following components (indicating according to mass percent): cement 15-23;Flyash 8-10;Nickel slag 18-25;River sand 16-20;Yellow ground 15-22;Additive 0.2-1.5, the present invention is combined into wet mixing mortar by cement, flyash, nickel slag, river sand, yellow ground and additive in proportion, and additive is synthesized by water-retaining agent, air entraining agent, water-reducing agent, bentonite and kaolin group, so that the wet mixing mortar is light-weight, early strength is high, workability is good, water-retaining property greatly improves, it can extend construction time, improve the cohesive force of hardened mortar and matrix;And the wet mixing mortar has the advantages of construction efficiency is high, good integrity;And coarse aggregate is substituted using industrial solid body waste nickel slag, saves cost, is conducive to protect environment.

Description

A kind of wet mixing mortar that plasticity is strong
Technical field
The present invention relates to wet mixing mortar technical field, specially a kind of wet mixing mortar that plasticity is strong.
Background technique
Wet mixing mortar is cement, fine aggregate, additive and water and the various components determining according to performance, by certain ratio Example is transported to place to use using agitator truck in mixing plant after metering, mixing, is put into special container storage, and providing The wet-mixing mixture finished is used in time
Conventional cement base mortar generally makees cementitious material with cement, and natural sand will not be on year-on-year basis for different purposes as aggregate The former material of example is mixed;But the cost of raw material of mortar generally goes up comparatively fast at present, especially various sands and cement Price is higher, and leading to wet mixing mortar, cost has risen considerably;In addition, raw material are unstable at present, cause mortar quality poor, even if plus Large cement dosage, it is also difficult to solve the problems such as application property is poor.
Existing wet mixing mortar has the disadvantage in that in the process used
The quality such as application property is poor, and mortar coagulation time is short, and water retentivity of mortar is poor, and excreting water phenomenon is serious, and intensity is low, shrinking percentage is big are asked Topic, and cost of material is high.
Summary of the invention
It is mentioned above in the background art to solve the purpose of the present invention is to provide a kind of wet mixing mortar that plasticity is strong Problem.
To achieve the above object, the invention provides the following technical scheme: a kind of wet mixing mortar that plasticity is strong, including it is following Component (indicates) according to mass percent:
Cement 15-23;
Flyash 8-10;
Nickel slag 18-25;
River sand 16-20;
Yellow ground 15-22;
Additive 0.2-1.5.
Wherein, the additive includes following components (indicating according to mass percent):
Water-retaining agent 0.02-0.05;
Air entraining agent 0-0.2;
Water-reducing agent 0.02-0.05;
Bentonite 0-0.8;
Kaolin 0-0.5.
Wherein, the water-retaining agent uses methylcellulose or hydroxypropyl methyl cellulose ether;The water-reducing agent uses poly- carboxylic Sour water-reducing agent;The bentonite uses modified sodium bentonite;The kaolin uses metakaolin.
Wherein, the cement use ordinary portland cement, the cement marked as PO42.5.
Wherein, the flyash uses II grades of flyash of F class.
Wherein, the nickel slag uses industrial solid body waste nickel slag.
Wherein, the fineness modulus of the river sand is 1.0~1.5.
Wherein, the fineness modulus of the yellow ground is 2.6~3.2.
A kind of preparation method for the wet mixing mortar that plasticity is strong, comprising the following steps:
S1, first by component water-retaining agent, air entraining agent, water-reducing agent, bentonite and kaolin are weighed by electronic scale respectively, then will claimed Water-retaining agent, air entraining agent, water-reducing agent, bentonite and kaolin after taking pour into blender, then using blender stirring 50s~ Water-retaining agent, air entraining agent, water-reducing agent, bentonite and kaolin are homogenously mixed together by blender, additive are made by 60s, And additive is taken out out of blender and is placed in hopper, in case subsequent use;
S2, then by component cement, flyash, nickel slag, river sand and yellow ground are weighed by electronic scale respectively, then successively by water Mud, flyash, nickel slag, river sand and yellow ground are added in blender, 50s~80s are stirred using blender, by blender by water Mud, flyash, nickel slag, river sand and yellow ground uniformly mix;
S3, quantitative water then is added in blender into S2, and stirs 30s~40s using blender, passing through blender will Water is uniformly mixed with cement, flyash, nickel slag, river sand and yellow ground mixture, to obtain preliminary mortar mixing Object;
S4, then additive manufactured in S1 is added in blender, blender stirring 60s~80s continued to use, by stirring It mixes in the preliminary mortar mixture that additive is uniformly blended in S3 by machine, so that the strong wet mixing mortar of plasticity be made.
Wherein, the blender is specially SZM-25 Full-automatic multifunctional agitator.
Compared with prior art, the beneficial effects of the present invention are:
The present invention is combined into wet mixing mortar by cement, flyash, nickel slag, river sand, yellow ground and additive in proportion, and passes through Water-retaining agent, air entraining agent, water-reducing agent, bentonite and kaolin group synthesize additive, so that the wet mixing mortar is light-weight, early strength Height, workability are good, and water-retaining property greatly improves, and can extend the construction time, improve the cohesive force of hardened mortar and matrix;And this is wet Sand cutting slurry has the advantages of construction efficiency is high, good integrity;And coarse aggregate, section are substituted using industrial solid body waste nickel slag Cost has been saved, has been conducive to protect environment.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common Technical staff's every other embodiment obtained without making creative work belongs to the model that the present invention protects It encloses.
Embodiment 1, the present invention provide a kind of technical solution: a kind of wet mixing mortar that plasticity is strong, including following components (are pressed Indicated according to mass percent):
Cement 22;
Flyash 10;
Nickel slag 25;
River sand 20;
Yellow ground 22;
Additive 1.
Wherein, the additive includes following components (indicating according to mass percent):
Water-retaining agent 0.03;
Air entraining agent 0.1;
Water-reducing agent 0.04;
Bentonite 0.6;
Kaolin 0.23.
Wherein, the water-retaining agent uses methylcellulose or hydroxypropyl methyl cellulose ether;The water-reducing agent uses poly- carboxylic Sour water-reducing agent;The bentonite uses modified sodium bentonite;The kaolin uses metakaolin.
Wherein, the cement use ordinary portland cement, the cement marked as PO42.5.
Wherein, the flyash uses II grades of flyash of F class.
Wherein, the nickel slag uses industrial solid body waste nickel slag.
Wherein, the fineness modulus of the river sand is 1.0~1.5.
Wherein, the fineness modulus of the yellow ground is 2.6~3.2.
A kind of preparation method for the wet mixing mortar that plasticity is strong, comprising the following steps:
S1, first by component water-retaining agent, air entraining agent, water-reducing agent, bentonite and kaolin are weighed by electronic scale respectively, then will claimed Water-retaining agent, air entraining agent, water-reducing agent, bentonite and kaolin after taking pour into blender, then using blender stirring 50s~ Water-retaining agent, air entraining agent, water-reducing agent, bentonite and kaolin are homogenously mixed together by blender, additive are made by 60s, And additive is taken out out of blender and is placed in hopper, in case subsequent use;
S2, then by component cement, flyash, nickel slag, river sand and yellow ground are weighed by electronic scale respectively, then successively by water Mud, flyash, nickel slag, river sand and yellow ground are added in blender, 50s~80s are stirred using blender, by blender by water Mud, flyash, nickel slag, river sand and yellow ground uniformly mix;
S3, quantitative water then is added in blender into S2, and stirs 30s~40s using blender, passing through blender will Water is uniformly mixed with cement, flyash, nickel slag, river sand and yellow ground mixture, to obtain preliminary mortar mixing Object;
S4, then additive manufactured in S1 is added in blender, blender stirring 60s~80s continued to use, by stirring It mixes in the preliminary mortar mixture that additive is uniformly blended in S3 by machine, so that the strong wet mixing mortar of plasticity be made.
Wherein, the blender is specially SZM-25 Full-automatic multifunctional agitator.
Embodiment 2, the present invention provide a kind of technical solution: a kind of wet mixing mortar that plasticity is strong, including following components (are pressed Indicated according to mass percent):
Cement 23;
Flyash 9;
Nickel slag 25;
River sand 20;
Yellow ground 22;
Additive 1.
Wherein, the additive includes following components (indicating according to mass percent):
Water-retaining agent 0.04;
Air entraining agent 0.13;
Water-reducing agent 0.03;
Bentonite 0.4;
Kaolin 0.4.
Wherein, the water-retaining agent uses methylcellulose or hydroxypropyl methyl cellulose ether;The water-reducing agent uses poly- carboxylic Sour water-reducing agent;The bentonite uses modified sodium bentonite;The kaolin uses metakaolin.
Wherein, the cement use ordinary portland cement, the cement marked as PO42.5.
Wherein, the flyash uses II grades of flyash of F class.
Wherein, the nickel slag uses industrial solid body waste nickel slag.
Wherein, the fineness modulus of the river sand is 1.0~1.5.
Wherein, the fineness modulus of the yellow ground is 2.6~3.2.
A kind of preparation method for the wet mixing mortar that plasticity is strong, comprising the following steps:
S1, first by component water-retaining agent, air entraining agent, water-reducing agent, bentonite and kaolin are weighed by electronic scale respectively, then will claimed Water-retaining agent, air entraining agent, water-reducing agent, bentonite and kaolin after taking pour into blender, then using blender stirring 50s~ Water-retaining agent, air entraining agent, water-reducing agent, bentonite and kaolin are homogenously mixed together by blender, additive are made by 60s, And additive is taken out out of blender and is placed in hopper, in case subsequent use;
S2, then by component cement, flyash, nickel slag, river sand and yellow ground are weighed by electronic scale respectively, then successively by water Mud, flyash, nickel slag, river sand and yellow ground are added in blender, 50s~80s are stirred using blender, by blender by water Mud, flyash, nickel slag, river sand and yellow ground uniformly mix;
S3, quantitative water then is added in blender into S2, and stirs 30s~40s using blender, passing through blender will Water is uniformly mixed with cement, flyash, nickel slag, river sand and yellow ground mixture, to obtain preliminary mortar mixing Object;
S4, then additive manufactured in S1 is added in blender, blender stirring 60s~80s continued to use, by stirring It mixes in the preliminary mortar mixture that additive is uniformly blended in S3 by machine, so that the strong wet mixing mortar of plasticity be made.
Wherein, the blender is specially SZM-25 Full-automatic multifunctional agitator.
Embodiment 3, the present invention provide a kind of technical solution: a kind of wet mixing mortar that plasticity is strong, including following components (are pressed Indicated according to mass percent):
Cement 23;
Flyash 10;
Nickel slag 24;
River sand 20;
Yellow ground 22;
Additive 1.
Wherein, the additive includes following components (indicating according to mass percent):
Water-retaining agent 0.03;
Air entraining agent 0.17;
Water-reducing agent 0.03;
Bentonite 0.5;
Kaolin 0.27.
Wherein, the water-retaining agent uses methylcellulose or hydroxypropyl methyl cellulose ether;The water-reducing agent uses poly- carboxylic Sour water-reducing agent;The bentonite uses modified sodium bentonite;The kaolin uses metakaolin.
Wherein, the cement use ordinary portland cement, the cement marked as PO42.5.
Wherein, the flyash uses II grades of flyash of F class.
Wherein, the nickel slag uses industrial solid body waste nickel slag.
Wherein, the fineness modulus of the river sand is 1.0~1.5.
Wherein, the fineness modulus of the yellow ground is 2.6~3.2.
A kind of preparation method for the wet mixing mortar that plasticity is strong, comprising the following steps:
S1, first by component water-retaining agent, air entraining agent, water-reducing agent, bentonite and kaolin are weighed by electronic scale respectively, then will claimed Water-retaining agent, air entraining agent, water-reducing agent, bentonite and kaolin after taking pour into blender, then using blender stirring 50s~ Water-retaining agent, air entraining agent, water-reducing agent, bentonite and kaolin are homogenously mixed together by blender, additive are made by 60s, And additive is taken out out of blender and is placed in hopper, in case subsequent use;
S2, then by component cement, flyash, nickel slag, river sand and yellow ground are weighed by electronic scale respectively, then successively by water Mud, flyash, nickel slag, river sand and yellow ground are added in blender, 50s~80s are stirred using blender, by blender by water Mud, flyash, nickel slag, river sand and yellow ground uniformly mix;
S3, quantitative water then is added in blender into S2, and stirs 30s~40s using blender, passing through blender will Water is uniformly mixed with cement, flyash, nickel slag, river sand and yellow ground mixture, to obtain preliminary mortar mixing Object;
S4, then additive manufactured in S1 is added in blender, blender stirring 60s~80s continued to use, by stirring It mixes in the preliminary mortar mixture that additive is uniformly blended in S3 by machine, so that the strong wet mixing mortar of plasticity be made.
Wherein, the blender is specially SZM-25 Full-automatic multifunctional agitator.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (10)

1. a kind of wet mixing mortar that plasticity is strong, which is characterized in that (indicated according to mass percent) including following components:
Cement 15-23;
Flyash 8-10;
Nickel slag 18-25;
River sand 16-20;
Yellow ground 15-22;
Additive 0.2-1.5.
2. a kind of strong wet mixing mortar of plasticity according to claim 1, it is characterised in that: the additive includes following Component (indicates) according to mass percent:
Water-retaining agent 0.02-0.05;
Air entraining agent 0-0.2;
Water-reducing agent 0.02-0.05;
Bentonite 0-0.8;
Kaolin 0-0.5.
3. a kind of strong wet mixing mortar of plasticity according to claim 2, it is characterised in that: the water-retaining agent uses methyl Cellulose or hydroxypropyl methyl cellulose ether;The water-reducing agent uses polycarboxylate water-reducer;The bentonite is using modified Sodium bentonite;The kaolin uses metakaolin.
4. a kind of strong wet mixing mortar of plasticity according to claim 1, it is characterised in that: the cement uses ordinary silicon Acid salt cement, the cement marked as PO42.5.
5. a kind of strong wet mixing mortar of plasticity according to claim 1, it is characterised in that: the flyash uses F class II grades of flyash.
6. a kind of strong wet mixing mortar of plasticity according to claim 1, it is characterised in that: the nickel slag uses Industrial Solid Body body waste nickel slag.
7. a kind of strong wet mixing mortar of plasticity according to claim 1, it is characterised in that: the fineness modulus of the river sand It is 1.0~1.5.
8. a kind of strong wet mixing mortar of plasticity according to claim 1, it is characterised in that: the fineness modulus of the yellow ground It is 2.6~3.2.
9. a kind of preparation method of the strong wet mixing mortar of plasticity according to claim 2, which is characterized in that including following Step:
S1, first by component water-retaining agent, air entraining agent, water-reducing agent, bentonite and kaolin are weighed by electronic scale respectively, then will claimed Water-retaining agent, air entraining agent, water-reducing agent, bentonite and kaolin after taking pour into blender, then using blender stirring 50s~ Water-retaining agent, air entraining agent, water-reducing agent, bentonite and kaolin are homogenously mixed together by blender, additive are made by 60s, And additive is taken out out of blender and is placed in hopper, in case subsequent use;
S2, then by component cement, flyash, nickel slag, river sand and yellow ground are weighed by electronic scale respectively, then successively by water Mud, flyash, nickel slag, river sand and yellow ground are added in blender, 50s~80s are stirred using blender, by blender by water Mud, flyash, nickel slag, river sand and yellow ground uniformly mix;
S3, quantitative water then is added in blender into S2, and stirs 30s~40s using blender, passing through blender will Water is uniformly mixed with cement, flyash, nickel slag, river sand and yellow ground mixture, to obtain preliminary mortar mixing Object;
S4, then additive manufactured in S1 is added in blender, blender stirring 60s~80s continued to use, by stirring It mixes in the preliminary mortar mixture that additive is uniformly blended in S3 by machine, so that the strong wet mixing mortar of plasticity be made.
10. a kind of preparation method of the strong wet mixing mortar of plasticity according to claim 9, it is characterised in that: described to stir The machine of mixing is specially SZM-25 Full-automatic multifunctional agitator.
CN201910503225.1A 2019-06-11 2019-06-11 A kind of wet mixing mortar that plasticity is strong Pending CN110357518A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910503225.1A CN110357518A (en) 2019-06-11 2019-06-11 A kind of wet mixing mortar that plasticity is strong

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910503225.1A CN110357518A (en) 2019-06-11 2019-06-11 A kind of wet mixing mortar that plasticity is strong

Publications (1)

Publication Number Publication Date
CN110357518A true CN110357518A (en) 2019-10-22

Family

ID=68215785

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910503225.1A Pending CN110357518A (en) 2019-06-11 2019-06-11 A kind of wet mixing mortar that plasticity is strong

Country Status (1)

Country Link
CN (1) CN110357518A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111499283A (en) * 2020-04-22 2020-08-07 嵊州市路通水泥制品有限公司 Production process of high-molecular polymer mortar
CN113024195A (en) * 2021-03-12 2021-06-25 江苏洋河新城新材料有限责任公司 Wet-mixed mortar using recycled aggregate and preparation method thereof
CN116655322A (en) * 2023-05-31 2023-08-29 江苏洋河新城新材料有限责任公司 High-performance recycled fine aggregate ready-mixed mortar and preparation process thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104909659A (en) * 2015-06-01 2015-09-16 广州浪淘砂建材有限公司 Novel wet-mixed mortar
CN105503093A (en) * 2016-01-12 2016-04-20 江苏万特福建筑构件有限公司 Wet-mixed mortar and sand sieving machine thereof
CN108101461A (en) * 2017-12-27 2018-06-01 青岛磊鑫混凝土有限公司 Wet-mixing masonry mortar
CN109503086A (en) * 2018-12-29 2019-03-22 江苏洋河新城新材料有限责任公司 A kind of wet mixing mortar using nickel sand and ardealite

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104909659A (en) * 2015-06-01 2015-09-16 广州浪淘砂建材有限公司 Novel wet-mixed mortar
CN105503093A (en) * 2016-01-12 2016-04-20 江苏万特福建筑构件有限公司 Wet-mixed mortar and sand sieving machine thereof
CN108101461A (en) * 2017-12-27 2018-06-01 青岛磊鑫混凝土有限公司 Wet-mixing masonry mortar
CN109503086A (en) * 2018-12-29 2019-03-22 江苏洋河新城新材料有限责任公司 A kind of wet mixing mortar using nickel sand and ardealite

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
杨杨等: "《土木工程材料》", 31 July 2018, 武汉大学出版社 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111499283A (en) * 2020-04-22 2020-08-07 嵊州市路通水泥制品有限公司 Production process of high-molecular polymer mortar
CN113024195A (en) * 2021-03-12 2021-06-25 江苏洋河新城新材料有限责任公司 Wet-mixed mortar using recycled aggregate and preparation method thereof
CN116655322A (en) * 2023-05-31 2023-08-29 江苏洋河新城新材料有限责任公司 High-performance recycled fine aggregate ready-mixed mortar and preparation process thereof

Similar Documents

Publication Publication Date Title
CN103102125B (en) Manufactured sand underwater dispersion resistant concrete and preparation method thereof
CN110357518A (en) A kind of wet mixing mortar that plasticity is strong
CN110526631A (en) Fly ash-based geopolymer material and preparation method thereof for solidifying chromium slag
CN110117173A (en) A kind of mixed sand wet mixing mortar and preparation method thereof
CN105906289B (en) Concrete repairs dry-mixed mortar and preparation method thereof
CN106478030B (en) Mattess cement-base wear-resistant material and preparation method thereof of nickel slag preparation
CN105601135A (en) Method for preparing geopolymer materials from red mud and coal ash
CN108081466A (en) A kind of production method of premixed and pumped loaded concrete
CN108424073A (en) A kind of high abrasion high-strength concrete and preparation method thereof
CN109942238A (en) A kind of preparation method of quick setting and rapid hardening coal gangue alkaline excitation fast repairing material
CN110467399A (en) A kind of self-compacting concrete and preparation method thereof using Copper Slag
CN107117909A (en) It is a kind of mixed with RPC of flyash and preparation method thereof
CN102399073A (en) Formula and preparation process for dry-mixed mortar
CN104310892A (en) Preparation method of polypropylene fiber concrete
CN108424030A (en) A kind of collapse protection type Concrete strength agent and its preparation method and application
CN108191357A (en) A kind of enhancing C30 flyash-haydite concretes and preparation method thereof
CN109574614B (en) A kind of method that quartz mud modified ardealite based cementitious material prepares concrete
JPH09309754A (en) Cement admixture and cement composition
CN102153311A (en) Compound type thickening agent applicable to common wet-mixed mortar
CN110357516A (en) A kind of waterproof polymer mortar and preparation method thereof
CN109384412A (en) A kind of normal silicate concrete accelerant
CN113735546A (en) High-temperature anhydrous gypsum sand-free self-leveling mortar and preparation method thereof
CN103420660B (en) Phosphorous slag self-compacting concrete and pouring construction method thereof
CN101121587A (en) Render gypsum
CN111943557A (en) Composite dry-mixed mortar additive and preparation method thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20191022

RJ01 Rejection of invention patent application after publication