CN117069424B - 一种预应力内衬混凝土及其制备方法和施工方法 - Google Patents
一种预应力内衬混凝土及其制备方法和施工方法 Download PDFInfo
- Publication number
- CN117069424B CN117069424B CN202310805222.XA CN202310805222A CN117069424B CN 117069424 B CN117069424 B CN 117069424B CN 202310805222 A CN202310805222 A CN 202310805222A CN 117069424 B CN117069424 B CN 117069424B
- Authority
- CN
- China
- Prior art keywords
- concrete
- parts
- slag powder
- prestressed
- lining
- 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.)
- Active
Links
- 239000004567 concrete Substances 0.000 title claims abstract description 197
- 238000010276 construction Methods 0.000 title claims abstract description 15
- 238000002360 preparation method Methods 0.000 title abstract description 20
- 239000000843 powder Substances 0.000 claims abstract description 92
- 239000002893 slag Substances 0.000 claims abstract description 90
- 239000008030 superplasticizer Substances 0.000 claims abstract description 32
- 238000000034 method Methods 0.000 claims abstract description 20
- 239000000203 mixture Substances 0.000 claims description 52
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 39
- 238000002156 mixing Methods 0.000 claims description 31
- 239000004568 cement Substances 0.000 claims description 28
- 239000010881 fly ash Substances 0.000 claims description 28
- 229910000831 Steel Inorganic materials 0.000 claims description 25
- 239000010959 steel Substances 0.000 claims description 25
- 239000004576 sand Substances 0.000 claims description 19
- 239000004575 stone Substances 0.000 claims description 17
- YDEXUEFDPVHGHE-GGMCWBHBSA-L disodium;(2r)-3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Na+].[Na+].COC1=CC=CC(C[C@H](CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O YDEXUEFDPVHGHE-GGMCWBHBSA-L 0.000 claims description 13
- AEQDJSLRWYMAQI-UHFFFAOYSA-N 2,3,9,10-tetramethoxy-6,8,13,13a-tetrahydro-5H-isoquinolino[2,1-b]isoquinoline Chemical compound C1CN2CC(C(=C(OC)C=C3)OC)=C3CC2C2=C1C=C(OC)C(OC)=C2 AEQDJSLRWYMAQI-UHFFFAOYSA-N 0.000 claims description 12
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 claims description 12
- 239000000176 sodium gluconate Substances 0.000 claims description 12
- 229940005574 sodium gluconate Drugs 0.000 claims description 12
- 235000012207 sodium gluconate Nutrition 0.000 claims description 12
- 239000011975 tartaric acid Substances 0.000 claims description 12
- 235000002906 tartaric acid Nutrition 0.000 claims description 12
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 claims description 11
- 239000003638 chemical reducing agent Substances 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 10
- 239000002253 acid Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims 2
- 238000000576 coating method Methods 0.000 claims 2
- 238000005336 cracking Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 8
- 230000036571 hydration Effects 0.000 abstract description 7
- 238000006703 hydration reaction Methods 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 abstract description 4
- 239000000654 additive Substances 0.000 abstract description 3
- 230000000704 physical effect Effects 0.000 abstract description 3
- 239000004566 building material Substances 0.000 abstract description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 17
- 238000010998 test method Methods 0.000 description 16
- 230000000052 comparative effect Effects 0.000 description 14
- 238000012360 testing method Methods 0.000 description 12
- 239000011513 prestressed concrete Substances 0.000 description 10
- 238000013461 design Methods 0.000 description 8
- 238000009792 diffusion process Methods 0.000 description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000011372 high-strength concrete Substances 0.000 description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 description 4
- 235000010755 mineral Nutrition 0.000 description 4
- 239000011707 mineral Substances 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 239000011150 reinforced concrete Substances 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 239000011398 Portland cement Substances 0.000 description 2
- 229910021536 Zeolite Inorganic materials 0.000 description 2
- 239000000378 calcium silicate Substances 0.000 description 2
- 229910052918 calcium silicate Inorganic materials 0.000 description 2
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- 239000010457 zeolite Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000002528 anti-freeze Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 235000015165 citric acid Nutrition 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000275 quality assurance Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- HELHAJAZNSDZJO-OLXYHTOASA-L sodium L-tartrate Chemical compound [Na+].[Na+].[O-]C(=O)[C@H](O)[C@@H](O)C([O-])=O HELHAJAZNSDZJO-OLXYHTOASA-L 0.000 description 1
- 239000001433 sodium tartrate Substances 0.000 description 1
- 229960002167 sodium tartrate Drugs 0.000 description 1
- 235000011004 sodium tartrates Nutrition 0.000 description 1
Classifications
-
- 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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/06—Combustion residues, e.g. purification products of smoke, fumes or exhaust gases
- C04B18/08—Flue dust, i.e. fly ash
-
- 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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/14—Waste materials; Refuse from metallurgical processes
- C04B18/141—Slags
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
-
- 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
- C04B2111/20—Resistance against chemical, physical or biological attack
-
- 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
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Combustion & Propulsion (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
Description
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202310805222.XA CN117069424B (zh) | 2023-07-03 | 2023-07-03 | 一种预应力内衬混凝土及其制备方法和施工方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202310805222.XA CN117069424B (zh) | 2023-07-03 | 2023-07-03 | 一种预应力内衬混凝土及其制备方法和施工方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN117069424A CN117069424A (zh) | 2023-11-17 |
CN117069424B true CN117069424B (zh) | 2024-06-11 |
Family
ID=88703106
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202310805222.XA Active CN117069424B (zh) | 2023-07-03 | 2023-07-03 | 一种预应力内衬混凝土及其制备方法和施工方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN117069424B (zh) |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004300003A (ja) * | 2003-04-01 | 2004-10-28 | Oriental Construction Co Ltd | 硬化遅延性を有するセメント系グラウト組成物及びプレストレストコンクリート構造物の製造方法 |
CN102432245A (zh) * | 2011-08-29 | 2012-05-02 | 冯乃谦 | 一种用于制造预应力管桩的混凝土的制造方法 |
CN102659342A (zh) * | 2012-05-14 | 2012-09-12 | 华北水利水电学院 | 用于碾压混凝土的缓凝高效减水剂组合物 |
CN102765896A (zh) * | 2012-07-30 | 2012-11-07 | 济南鲁新新型建材有限公司 | 用于免压蒸免蒸养预应力管桩的矿物掺合料及其制作方法 |
CN103304204A (zh) * | 2013-06-28 | 2013-09-18 | 上海建工材料工程有限公司 | 一种超缓凝、高泊松比、可调保坍性的c55预应力张拉混凝土 |
CN103922669A (zh) * | 2014-03-27 | 2014-07-16 | 东南大学 | 制备预应力高强度混凝土管桩的混凝土及管桩的制备方法 |
CN105927249A (zh) * | 2016-05-24 | 2016-09-07 | 北京住总集团有限责任公司 | 一种浇筑隧道二衬自密实混凝土的施工方法 |
KR20200027632A (ko) * | 2018-09-05 | 2020-03-13 | (주)에스엠테크 | 비소성 시멘트 콘크리트용 반응 촉진제 및 이를 포함하는 비소성 시멘트 콘크리트 조성물 |
CN111533512A (zh) * | 2020-05-08 | 2020-08-14 | 江苏省水利科学研究院 | 初凝时间为48h~72h延性缓凝细石混凝土的制备方法 |
WO2022083382A1 (zh) * | 2020-10-19 | 2022-04-28 | 常州工学院 | 一种磷酸镁水泥基双液注浆材料及其制备方法 |
-
2023
- 2023-07-03 CN CN202310805222.XA patent/CN117069424B/zh active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004300003A (ja) * | 2003-04-01 | 2004-10-28 | Oriental Construction Co Ltd | 硬化遅延性を有するセメント系グラウト組成物及びプレストレストコンクリート構造物の製造方法 |
CN102432245A (zh) * | 2011-08-29 | 2012-05-02 | 冯乃谦 | 一种用于制造预应力管桩的混凝土的制造方法 |
CN102659342A (zh) * | 2012-05-14 | 2012-09-12 | 华北水利水电学院 | 用于碾压混凝土的缓凝高效减水剂组合物 |
CN102765896A (zh) * | 2012-07-30 | 2012-11-07 | 济南鲁新新型建材有限公司 | 用于免压蒸免蒸养预应力管桩的矿物掺合料及其制作方法 |
CN103304204A (zh) * | 2013-06-28 | 2013-09-18 | 上海建工材料工程有限公司 | 一种超缓凝、高泊松比、可调保坍性的c55预应力张拉混凝土 |
CN103922669A (zh) * | 2014-03-27 | 2014-07-16 | 东南大学 | 制备预应力高强度混凝土管桩的混凝土及管桩的制备方法 |
CN105927249A (zh) * | 2016-05-24 | 2016-09-07 | 北京住总集团有限责任公司 | 一种浇筑隧道二衬自密实混凝土的施工方法 |
KR20200027632A (ko) * | 2018-09-05 | 2020-03-13 | (주)에스엠테크 | 비소성 시멘트 콘크리트용 반응 촉진제 및 이를 포함하는 비소성 시멘트 콘크리트 조성물 |
CN111533512A (zh) * | 2020-05-08 | 2020-08-14 | 江苏省水利科学研究院 | 初凝时间为48h~72h延性缓凝细石混凝土的制备方法 |
WO2022083382A1 (zh) * | 2020-10-19 | 2022-04-28 | 常州工学院 | 一种磷酸镁水泥基双液注浆材料及其制备方法 |
Also Published As
Publication number | Publication date |
---|---|
CN117069424A (zh) | 2023-11-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103449837B (zh) | 一种利用协同发泡法制备的矿用泡沫膏体充填材料及其制备方法 | |
KR101968809B1 (ko) | 개질된 레올로지 콘트리트재, 제조방법 및 그 용도 | |
CN102503310B (zh) | 一种高速铁路无砟轨道结构修补用超早强注浆材料 | |
EP0042935B2 (en) | Shaped article and composite material and method for producing same | |
CN1182065C (zh) | 一种快锚型无机粘结灌注材料及其制备工艺 | |
CN102320789A (zh) | 高强活性粉末混凝土及制备方法 | |
CN107777961B (zh) | 易于超高层泵送的高强自密实混凝土 | |
MX2008001450A (es) | Equipo y metodo para preparar una composicion cementosa endurecible. | |
CN111415712A (zh) | 数字化混凝土配制方法及数字化混凝土配合比 | |
CN112142406A (zh) | 高流态固化土用土壤固化剂 | |
CN104150836A (zh) | 一种轨道板封锚砂浆及其制备方法 | |
CN102887716A (zh) | 自密实耐火混凝土 | |
CN108793935B (zh) | 预制干料喷射混凝土 | |
JP2002308660A (ja) | グラウト材 | |
CN117069424B (zh) | 一种预应力内衬混凝土及其制备方法和施工方法 | |
CN108530006A (zh) | 一种装配式结构连接用钢筋套筒灌浆料及其制备方法 | |
CN104446117A (zh) | 混凝土膨胀剂 | |
CN107253842A (zh) | 一种水泥砂浆干粉及其制备方法和应用 | |
CN111848068A (zh) | 一种用于水平表面缺陷的快速修补砂浆及其制备方法 | |
CN112521070B (zh) | 早高强喷射混凝土浆体、早高强喷射混凝土及其施工方法 | |
CN115196936A (zh) | 一种用磷石膏活性粉配制的石膏基室内地坪自流平混凝土及其制备方法和应用 | |
CN112939559A (zh) | 一种石膏基双发泡泵送保温浆料及制造方法 | |
CN113754390A (zh) | 一种高强超高泵送自密实混凝土及其制备方法 | |
CN106517856A (zh) | 适用于自密实混凝土的whdf‑n型粘度改性剂 | |
CN112761376A (zh) | 一种墙体沉降开裂的砂浆加固修补方法 |
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 | ||
CB02 | Change of applicant information | ||
CB02 | Change of applicant information |
Country or region after: China Address after: 510000 No. 106, Fengze East Road, Nansha District, Guangzhou City, Guangdong Province (self compiled Building 1) x1301-a3665 Applicant after: Guangdong Yuehai Pearl River Delta Water Supply Co.,Ltd. Applicant after: Guangdong Construction Engineering Group Co.,Ltd. Address before: 510000 No. 106, Fengze East Road, Nansha District, Guangzhou City, Guangdong Province (self compiled Building 1) x1301-a3665 Applicant before: Guangdong Yuehai Pearl River Delta Water Supply Co.,Ltd. Country or region before: China Applicant before: GUANGDONG NO. 2 HYDROPOWER ENGINEERING Co.,Ltd. |
|
TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20240515 Address after: 510000 No. 106, Fengze East Road, Nansha District, Guangzhou City, Guangdong Province (self compiled Building 1) x1301-a3665 Applicant after: Guangdong Yuehai Pearl River Delta Water Supply Co.,Ltd. Country or region after: China Applicant after: Guangdong Hydropower Second Bureau Group Co.,Ltd. Applicant after: Guangdong Construction Engineering Group Co.,Ltd. Address before: 510000 No. 106, Fengze East Road, Nansha District, Guangzhou City, Guangdong Province (self compiled Building 1) x1301-a3665 Applicant before: Guangdong Yuehai Pearl River Delta Water Supply Co.,Ltd. Country or region before: China Applicant before: Guangdong Construction Engineering Group Co.,Ltd. |
|
GR01 | Patent grant | ||
GR01 | Patent grant |