33results about How to "Unique fiber cavity structure" patented technology

The invention discloses coarse-aggregate-containing C240-strength-grade ultrahigh-performance fiber concrete and a preparation method. The concrete is composed of, by mass, 578 parts of cement, 62 parts of water, 880 parts of rubble, 800 parts of fine aggregate, 70 parts of coal ash, 60 parts of rice husk ash, 154 parts of silicon ash, 16.5 parts of water reducer, 11.5 parts of excitant, 1.7 parts of cellulosic fiber, 90 parts of steel fiber, 51 parts of hydroxyl modified carbon nanotube dispersion, 54 parts of oxidized graphene dispersion and 2.9 parts of defoamer. The concrete prepared by the method has high toughness and durability and has high binding strength with section steel, compressive strength reaches 249.65MPa, bending strength reaches 50.88MPa, splitting tensile strength reaches 24.78MPa, the binding strength with the section steel reaches 10.54MPa, and chlorion anti-permeation grade reaches VI grade. When the concrete is used in a section steel and concrete combined structure, cooperative working performance between the section steel and the concrete can be brought into play effectively, and the defects that the section steel and the concrete are poor in binding performance and respective mechanical performance of the section steel and the concrete cannot be brought into full play are made up.

The invention discloses high-toughness and high-cohesiveness C130-strength high-strength fiber concrete and a preparation method thereof. The concrete is prepared from cement, sand, gravel, fly ash, straw ash, silica fume, nano silicon, water, a water reducing agent, an exciting agent, a defoaming agent, a shrinkage reducing agent, ramie fibers, basalt fibers, CaCO3 whiskers and a carboxyl modified polyvinyl alcohol polymer according to the mixing ratio of (425-430): 718: 985: (80-85): (60-65): (30-35): (3.5-4.2): (120- 125): (12-13): (13-14): (1.9-2.3): (10-11): (5.4-5.6): (9-9.4): (17.8- 18.1): (20-22). The materials are evenly mixed at intervals through a layered stirring method, and discharging, forming and curing are conducted. The fracture resistance, the compression resistance, the bonding strength with the profile steel and the impermeability of the concrete are remarkably enhanced, and the cooperative work capacity with the profile steel is further improved.

The invention discloses high-toughness and high-cohesiveness C150-strength ultrahigh-strength fiber concrete and a preparation method thereof. The ultrahigh-strength fiber concrete is prepared from cement, sand, gravel, fly ash, straw ash, silica fume, nano silicon, water, a water reducing agent, an exciting agent, a defoaming agent, a shrinkage reducing agent, ramie fibers, basalt fibers, hydroxyl modified single-walled carbon nanotube dispersion liquid and a carboxyl modified polyvinyl alcohol polymer according to the mixing ratio of (460-470): (710-720): 985: (75-85): (65-70): (40-45): (3.8-4.4): (105-110): (14-16): (12-13): (2.2-2.6): (11-12): (5.5-5.7): (9.8-10.2): (25-30): (16.5-18). The materials are evenly mixed at intervals through a layered stirring method, and discharging, forming and curing are conducted. The concrete mechanics including the profile steel bonding performance and the durability are remarkably improved, and the cooperative work capacity with the profile steel is enhanced.

The invention discloses high-toughness and high-cohesiveness C80-strength fiber concrete and a preparation method thereof. The concrete is prepared from cement, river sand, broken stone, fly ash, straw ash, silica fume, nano silicon, water, a water reducing agent, an exciting agent, a defoaming agent, a shrinkage reducing agent, ramie fibers, basalt fibers and CaCO3 crystal whiskers according to the mixing ratio of (360-370): 725: 1007: (100-110): (55-65): (17-19): (2.5-4): (150-155): (8.5-9.5): (12.5-13.5): (1.8-2.1): (7.8-8.2): (4.9-5.2): (8.1-8.3): (17.4-17.6). Through a layered stirring method, all the materials are uniformly mixed at intervals, and discharging, forming and curing are performed. The compression resistance, the fracture resistance, the splitting tensile strength, the toughness, the durability and the like of the concrete can be effectively improved, and the bonding strength and the cooperative deformation capacity between the concrete and the profile steel are enhanced.

The invention discloses high-toughness and high-cohesiveness C60 strength fiber concrete and a preparation method thereof. The concrete is prepared from cement, river sand, broken stone, fly ash, straw ash, silica fume, nano silicon, water, a water reducing agent, an exciting agent, a defoaming agent, a shrinkage reducing agent, ramie fibers, basalt fibers and CaCO3 whiskers according to the mixing ratio of (340-350): 719: 1015: (108-115): (40-50): (13-16): (1.5-3): (160-165): (6.5-7.5): (11.5-12.5): (1.6-2): (5.8-6.8): (4.5-4.7): (7.8-8): (17.1-17.4). Through a layered stirring method, all the materials are uniformly mixed at intervals, and discharging, forming and curing are performed. The compression resistance, the fracture resistance, the splitting tensile strength, the toughness, the durability and the like of the concrete can be effectively improved, and the bonding strength and the cooperative deformation capacity between the concrete and the profile steel are enhanced.

The invention discloses high-toughness and high-cohesiveness C210 ultrahigh-strength hybrid fiber concrete and a preparation method thereof. The ultrahigh-strength hybrid fiber concrete is prepared from cement, sand, gravel, fly ash, straw ash, silica fume, nano silicon, water, a water reducing agent, an exciting agent, a defoaming agent, a shrinkage reducing agent, ramie fibers, basalt fibers, CaCO3 whiskers, a carboxyl modified polyvinyl alcohol polymer andnanometer titanium/graphene oxide dispersion liquid according to the mixing ratio of (525-535):(735-740):(890-900): (70-80): (85-95:(95-100):(4.7-5):(90-95):(17-18):(14.5-15):(2.5-2.9) :(12-13):(6.5-6.7):(12.2-12.5):(19-19.3):(20.5-22):(33-36). The materials are uniformly mixed by a layered stirring method, and are prepared and maintained. The mechanical property of the concrete and the bonding property and durability between the concrete and the profile steel are obviously improved.

The invention discloses high-toughness and high-cohesiveness C180 ultrahigh-strength fiber concrete and a preparation method thereof. The high-toughness and high-cohesiveness C180 ultrahigh-strength fiber concrete is prepared from cement, sand, gravel, fly ash, straw ash, silica fume, nano silicon, water, a water reducing agent, an exciting agent, a defoaming agent, a shrinkage reducing agent, ramie fibers, basalt fibers, hydroxyl modified single-walled carbon nanotube dispersion liquid and a carboxyl modified polyvinyl alcohol polymer according to the mixing ratio of (490-496): (710-725): 970: (68-72): (75-77): (60-67): (4.3-4.5): (92-97): (16-17): (13.5-14): (2.4-2.8): (13.5-14.5): (5.9-6.2): (10.7-11): (29.5-32): (19-21). The materials are evenly mixed at intervals through a layered stirring method, and discharging, forming and curing are conducted. The mechanical property of the concrete and the bonding property and durability of the concrete and the profile steel are remarkably improved, and the cooperative working capacity of the concrete and the profile steel is enhanced.

The invention discloses high-toughness and high-cohesiveness C50-strength fiber concrete and a preparation method thereof. The concrete is prepared from cement, river sand, broken stone, fly ash, straw ash, silica fume, nano silicon, water, a water reducing agent, an exciting agent, a defoaming agent, a shrinkage reducing agent, ramie fibers, basalt fibers and CaCO3 whiskers according to the mixing ratio of (330-340): 715: 1020: (110-125): (30-40): (10-14): (1-3): (170-180): (5.5-6.5): (11-12): (1.5-1.8): (5.5-6): (4.5-4.6): (7.8-7.9): (17-17.3). Through a layered stirring method, all the materials are uniformly mixed at intervals, and discharging, forming and curing are performed. The compression resistance, the fracture resistance, the splitting tensile strength, the toughness, the durability and the like of the concrete can be effectively improved, and the bonding strength and the cooperative deformation capacity between the concrete and the profile steel are enhanced.

The invention discloses high-toughness and high-cohesiveness C240 ultrahigh-strength hybrid fiber concrete and a preparation method thereof. The hybrid fiber concrete is prepared from cement, sand, gravel, fly ash, straw ash, silica fume, nano silicon, water, a water reducing agent, an exciting agent, a defoaming agent, a shrinkage reducing agent, ramie fibers, basalt fibers, CaCO3 whiskers, a carboxyl modified polyvinyl alcohol polymer and nano titanium/graphene oxide dispersion liquid according to the mixing ratio of (545-550): (750-760): (850-860): (68-73): (100-105): (120-130): (5.2-5.4): (72-76): (19-20): (16-17): (2.8-3.2): (14-15): (7.2-7.5): (13-13.3): (20-21): (21.5-23): (40-44). The preparation method comprises the steps of uniformly mixing the materials by a layered stirring method, discharging, forming and curing. The concrete mechanics including the bonding performance and the durability between the concrete and profile steel are obviously improved.

The invention discloses high-toughness and high-cohesiveness C110-strength high-strength fiber concrete and a preparation method thereof. The concrete comprises the following components: cement, sand, broken stone, fly ash, straw ash, silica fume, nano silicon, water, a water reducing agent, an exciting agent, a defoaming agent, a shrinkage reducing agent, ramie fibers, basalt fibers, CaCO3 whiskers and a carboxyl modified polyvinyl alcohol polymer in a mixing ratio of (405-415): 713: 995: (85-90): (45-55): (20-25): (3-4): (125-130): (11-12): (12-13): (1.8-2.1): (9-9.5): (5.2-5.4): (8.7-8.9): (17.6-17.8): (18-20). The materials are evenly mixed at intervals through a layered stirring method, and discharging, forming and curing are conducted. The fracture resistance, the compression resistance, the bonding strength with the profile steel and the impermeability of the concrete are all remarkably enhanced, and the cooperative work capacity with the profile steel is further improved.

The invention discloses high-toughness and high-cohesiveness C90 strength fiber concrete and a preparation method thereof. The concrete is prepared from cement, river sand, broken stone, fly ash, straw ash, silica fume, nano silicon, water, a water reducing agent, an exciting agent, a defoaming agent, a shrinkage reducing agent, ramie fibers, basalt fibers and CaCO3 crystal whiskers according to the mixing ratio of (370-380): 728: 1004: (90-100): (65-75): (19-22): (2.8-4): (140-150): (10-11.5): (13-14): (2-2.3): (8.2-8.8): (5-5.2): (8.2-8.4): (17.5-17.7). Through a layered stirring method, all the materials are uniformly mixed at intervals, and discharging, forming and curing are performed. The compression resistance, the fracture resistance, the splitting tensile strength, the toughness, the durability and the like of the concrete can be effectively improved, and the bonding strength and the cooperative deformation capacity between the concrete and the profile steel are enhanced.

The invention discloses high-toughness and high-cohesiveness C120-strength high-strength fiber concrete and a preparation method thereof. The concrete is prepared from cement, sand, gravel, fly ash, straw ash, silica fume, nano silicon, water, a water reducing agent, an exciting agent, a defoaming agent, a shrinkage reducing agent, ramie fiber, basalt fiber, CaCO3 whisker and carboxyl modified polyvinyl alcohol polymer according to mixing ratios of (415 to 425) to (715 to 999) to (85 to 90) to (55 to 65) to (25 to 30) to (3.2 to 4.2) to (125 to 130) to (11 to 12.5) to (13 to 13.5) to (1.9 to 2.2) to (9 to 10) to (5.3 to 5.5) to (8.9 to 9.1) to (17.7 to 18) to (19 to 21). The materials are evenly mixed at intervals through a layered stirring method, and discharging, forming and curing are conducted. The mechanical property of the concrete and the adhesive property and anti-permeability between the concrete and profile steel are all remarkably enhanced, and the cooperative work capacity of the concrete and the profile steel is improved.

The invention discloses high-toughness and high-cohesiveness C170-strength ultrahigh-strength fiber concrete and a preparation method thereof. The concrete is prepared from cement, sand, gravel, fly ash, straw ash, silica fume, nano silicon, water, a water reducing agent, an exciting agent, a defoaming agent, a shrinkage reducing agent, ramie fibers, basalt fibers, hydroxyl modified single-walled carbon nanotube dispersion liquid and a carboxyl modified polyvinyl alcohol polymer according to the mixing ratio of (480-490): (715-725): 975: (70-75): (70-75): (55-60): (4.2-4.4): (95-100): (15-17): (13.5-14): (2.4-2.8): (13-14): (5.7-6): (10.4-10.7): (28-32): (18-20). The materials are evenly mixed at intervals through a layered stirring method, and discharging, forming and curing are conducted. The concrete mechanics including the structural steel bonding performance and the durability are remarkably improved, and the cooperative work capacity of the concrete and the structural steel is enhanced.

The invention discloses high-toughness and high-cohesiveness C200 ultrahigh-strength fiber concrete and a preparation method thereof. The ultrahigh-strength fiber concrete is prepared from cement, sand, gravel, fly ash, straw ash, silica fume, nano silicon, water, a water reducing agent, an exciting agent, a defoaming agent, a shrinkage reducing agent, ramie fibers, basalt fibers, hydroxyl modified single-walled carbon nanotube dispersion liquid and a carboxyl modified polyvinyl alcohol polymer according to the mixing ratio of (507-518): (720-730): 945: (60-68): (80-90): (70-78): (4.6-4.8): (85-90): (16.8-18): (14.5-15): (2.5-2.9): (14.5-15): (6.2-6.4): (11.3-11.5): (31-32): (20.5-21.5). The materials are uniformly mixed at intervals through a layered stirring method, and preparation and maintenance are performed. The mechanical property, the bonding property with the profile steel, the cooperative working capacity and the durability of the concrete are all remarkably improved.

The invention discloses high-toughness and high-cohesiveness C140-strength high-strength fiber concrete and a preparation method thereof. The high-strength fiber concrete is prepared from cement, sand, gravel, fly ash, straw ash, silica fume, nano silicon, water, a water reducing agent, an exciting agent, a defoaming agent, a shrinkage reducing agent, ramie fibers, basalt fibers, a CaCO3 whisker and a carboxyl modified polyvinyl alcohol polymer according to the mixing ratio of (430-435): 720: 980: (80-85): (65-70): (35-40): (3.7-4.3): (115-120): (13-14): (13.5-14): (2-2.4): (10-11): (5.5-5.7): (9.3-9.6): (17.9-18.2): (21-23). The materials are evenly mixed at intervals through a layered stirring method, and discharging, forming and curing are conducted. The mechanical property of the concrete and the adhesive property and anti-permeability between the concrete and the profile steel are remarkably enhanced, and the cooperative work capacity of the concrete and the profile steel is further improved.

The invention discloses high-toughness and high-cohesiveness C230 ultrahigh-strength hybrid fiber concrete and a preparation method thereof. The high-toughness and high-cohesiveness C230 ultrahigh-strength hybrid fiber concrete is prepared from cement, sand, gravel, fly ash, straw ash, silica fume, nano silicon, water, a water reducing agent, an exciting agent, a defoaming agent, a shrinkage reducing agent, ramie fibers, basalt fibers, CaCO3 whiskers, a carboxyl modified polyvinyl alcohol polymer and nano titanium/graphene oxide dispersion liquid according to the mixing ratio of (540-545): (740-745): (870-880): (70-75): (95-100): (110-115): (5-5.2): (78-82): (18-19): (15.5-16): (2.6-3): (13-14): (7-7.2): (12.7-13): (19.5-19.7): (21-22): (39-42). The preparation method comprises the steps of uniformly mixing the materials by a layered stirring method, discharging, forming and curing. The concrete mechanics including the bonding performance and the durability between the profile steels are obviously improved.

The invention discloses high-toughness and high-cohesiveness C220 ultrahigh-strength hybrid fiber concrete and a preparation method thereof. The high-toughness and high-cohesiveness C220 ultrahigh-strength hybrid fiber concrete is prepared from cement, sand, gravel, fly ash, straw ash, silica fume, nano silicon, water, a water reducing agent, an exciting agent, a defoaming agent, a shrinkage reducing agent, ramie fiber, basalt fiber, CaCO3 whisker, carboxyl modified polyvinyl alcohol polymer and nano titanium/graphene oxide dispersion liquid according to the mixing ratios of (535-540): (735-740): (880-890): (70-75): (90-100): (100-105): (4.8-5): (85-90): (17.5-18.5): (15-15.5): (2.6-3): (12-13): (6.7-7): (12.5-12.7): (19.2-19.5): (21-22): (36-39); and the materials are uniformly mixed by a layered stirring method, and preparation and curing are performed. The mechanical property and durability of the concrete and the bonding property between the concrete and profile steel are obviously improved.

The invention discloses high-toughness and high-cohesiveness C160-strength ultrahigh-strength fiber concrete and a preparation method thereof. The concrete is prepared from cement, sand, broken stone, coal ash, straw ash, silica fume, nano silicon, water, exciting agent, defoaming agent, shrinkage reducing agent, ramie fiber, basalt fiber, hydroxyl modified single-walled carbon nanotube dispersion liquid and carboxyl modified polyvinyl alcohol polymer according to the mixing ratios of (470-480):(710-720):980:(75-80):(70-75): (45-55):(4-4.4):(100-105):(14-16):(13-13.5):(2.3-2.6):(12-13):(5.6-5.8):(10.2-10.4):(27-31):(17-19). The materials are evenly mixed at intervals through a layered stirring method, and discharging, forming and curing are conducted. The mechanic performance of the concrete, including the structural steel bonding performance and the durability, is remarkably improved, and the cooperative work capacity of the concrete and structural steel is enhanced.