CN110331821A - A kind of rectangular FRP of fastener type FRP tie hoop enhancing manages full coral aggregate seawater coagulation earth pillar - Google Patents

A kind of rectangular FRP of fastener type FRP tie hoop enhancing manages full coral aggregate seawater coagulation earth pillar Download PDF

Info

Publication number
CN110331821A
CN110331821A CN201910621496.7A CN201910621496A CN110331821A CN 110331821 A CN110331821 A CN 110331821A CN 201910621496 A CN201910621496 A CN 201910621496A CN 110331821 A CN110331821 A CN 110331821A
Authority
CN
China
Prior art keywords
frp
tie hoop
coral
rectangular
full
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
CN201910621496.7A
Other languages
Chinese (zh)
Inventor
尹世平
胡长顺
李耀
华云涛
王聪聪
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.)
China University of Mining and Technology CUMT
Original Assignee
China University of Mining and Technology CUMT
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 China University of Mining and Technology CUMT filed Critical China University of Mining and Technology CUMT
Priority to CN201910621496.7A priority Critical patent/CN110331821A/en
Priority to PCT/CN2019/109873 priority patent/WO2021003859A1/en
Publication of CN110331821A publication Critical patent/CN110331821A/en
Pending legal-status Critical Current

Links

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
    • C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C04B28/04—Portland cements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/30—Columns; Pillars; Struts
    • E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/07—Reinforcing elements of material other than metal, e.g. of glass, of plastics, or not exclusively made of metal
    • 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
    • C04B2111/24—Sea water resistance

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Architecture (AREA)
  • Ceramic Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Civil Engineering (AREA)
  • Farming Of Fish And Shellfish (AREA)
  • Artificial Fish Reefs (AREA)

Abstract

The invention discloses a kind of fastener type FRP tie hoop enhancing side FRP to manage full coral aggregate seawater coagulation earth pillar, including rounded square FRP pipe, FRP tie hoop, metal button member and full coral aggregate seawater coagulation soil；Wherein, tie hoop cage and rectangular FRP pipe arranged concentric, metal button member is used to fix tie hoop cage and rectangular FRP is managed, and controls thickness of concrete cover, and full coral aggregate seawater coagulation earth pillar is finally poured in FRP pipe.Outsourcing FRP pipe constrains internal full coral aggregate seawater coagulation soil with tie hoop jointly in the present invention, effectively make up the disadvantage that coral concrete intensity is not high, intensity discreteness is big, greatly improve column bearing capacity and member reliability, it effectively prevent sea water intrusion, improve the endurance quality of column, make full use of construct a wharf, the coral reef sand that dredging channel and alluvion accumulate out, alleviate the status of islands and reefs engineering construction scarcity of resources, guarantee the construction period.

Description

A kind of rectangular FRP of fastener type FRP tie hoop enhancing manages full coral aggregate seawater coagulation Earth pillar
Technical field
Enhance rectangular FRP the present invention relates to a kind of fastener type FRP tie hoop and manage full coral aggregate seawater coagulation earth pillar, belongs to Yu Haiyang's islands and reefs engineering construction technical field.
Background technique
As land resource becomes more and more in short supply, people are imperative to the exploitation of off-lying sea islands and reefs, however most of islands Reef is far from continent, goods and materials scarcity of fresh water resources, if traditional building material is used to carry out islands and reefs engineering construction, it is necessary to ship from big The defeated a large amount of sandstone of land transportation and fresh water, can be faced with huge transportation cost, and may be due to Lidar Equation, it is difficult to protect in this way Demonstrate,prove the duration.So gather materials on the spot on islands and reefs under the premise of not destroying coral island local environment, using building code The coral reef sand that head, dredging channel and alluvion accumulate out prepares Coral Reef Sand Concrete pair instead of sandstone resource There is very high realistic meaning and practical value in islands and reefs engineering construction.
Research about FRP pipe confined concrete coupled column both at home and abroad, it is most of to concentrate on circular cross-section coupled column, because Round FRP pipe manages the binding effect of core concrete better than rectangular FRP, so that its bearing capacity is higher.But square section pile The advantages that because of its space layout, construction, node easy to connect, have and be equally widely applied range, the present invention manages rectangular FRP It is connected with tie hoop by metal button member, and pours full coral aggregate seawater coagulation soil in pipe.Rectangular FRP pipe and FRP spiral shell Rotation stirrup can play double constraints to core concrete, and intensity and ductility are largely increased.The component side of combining The advantages of shape column and circular columns, rectangular FRP pipe and tie hoop double constraints make core concrete be in three dimension stress state, more The not high disadvantage of full coral aggregate seawater coagulation soil intensity is mended, so that member reliability greatly promotes.Simultaneously because FRP material Excellent endurance quality, the reduction of component load-bearing ability caused by avoiding because of steel bar corrosion and later period high maintenance cost, It can be widely applied to ocean islands and reefs engineering compression member.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the present invention provides a kind of fastener type FRP tie hoop Enhance rectangular FRP and manage full coral aggregate seawater coagulation earth pillar, with structure is simple, bearing capacity is high, endurance quality is good, the life-cycle is all The features such as period cost is low is available locally, and economizes on resources, and saves cost, easy for construction, guarantees the duration.
Technical solution: to achieve the above object, the technical solution adopted by the present invention are as follows:
A kind of rectangular FRP of fastener type FRP tie hoop enhancing manages full coral aggregate seawater coagulation earth pillar, including molding FRP Fillet square tube, FRP tie hoop, metal button member and full coral aggregate seawater coagulation soil；
Wherein, the FRP tie hoop is arranged in molding FRP fillet square tube with central axis, by being arranged in molding Metal button member on FRP fillet square tube inner wall center line realizes the fixation of FRP tie hoop and molding FRP fillet square tube, and complete Coral aggregate seawater coagulation soil is poured in molding FRP fillet square tube.
In the present invention, the molding FRP square tube is located at the outermost of pillar, corrosion-resistant, prevents chloride ion from penetrating into concrete In column, and effect of contraction is played to core concrete, while can be used as the template of casting concrete in Specific construction；Spiral FRP stirrup and the longitudinal FRP tendons binding and fixing being uniformly distributed along the circumference, improving bud grafting can bind for tied silk or plastic bandage, indulge To FRP tendons at least four, tie hoop outermost diameter is less than side length 40-60mm in FRP square tube, convenient for putting tie hoop cage Enter in FRP pipe, while convenient for controlling hooping protection layer thickness by metal button member；The tie hoop cage bound is put into FRP It in pipe, being connected by metal button member, forms it into an entirety, stirrup cage position and protection thickness are controlled when convenient for pouring Degree；Full coral aggregate seawater coagulation soil is poured in square FRP pipe, and formation FRP tie hoop enhances rectangular FRP and manages full coral aggregate Seawater coagulation earth pillar.
Further, the molding FRP fillet square tube is fine using molding rounded square fiberglass pipe (GFRP), basalt Dimension pipe (BFRP), carbon fiber pipe (CFRP) or aramid fiber pipe (AFRP) etc., and thickness of pipe wall 3mm-6mm are using fillet FRP pipe It crosses when component is pressurized in order to prevent in FRP pipe and is broken early in shaft corner.
Further, the FRP tie hoop and longitudinal FRP tendons using one of BFRP, GFRP, CFRP or AFRP or Person is a variety of, and wherein muscle material diameter and stirrup spacing are selected according to scantling, design bearing capacity.
Further, the metal button member is that antirust material metal button member (preferably uses stainless steel material, or sprays on surface Antirust paint is applied, prevents fastener from corroding), including compatible T-type pedestal and U-shaped buckle, T-type pedestal be pasted onto using epoxy resin It forms on FRP fillet square tube inner wall, U-shaped buckle passes through tie hoop and snaps connection with T-type pedestal.
It is managed using metal button member connection tie hoop and rectangular FRP, becomes an entirety, existed convenient for control stirrup cage Position and protective layer thickness in FRP pipe prevent stirrup cage location when concreting from moving, early stirrup cage are caused to tilt, shadow Ring the final bearing force of binding effect and column.
Further, the full coral aggregate seawater coagulation soil is by cement, coral aggregate, coral sand, seawater and water-reducing agent It is formulated by a certain percentage, strength grade is not less than C40；
Wherein, the bulk density of the coral aggregate is in 900~1100kg/m3, 1800~2300kg/m of apparent density3, cylinder Compressive Strength is generally not less than 2.5MPa, chloride ion content 0.006%~0.074%, porosity 50% or so；The coral sand is Calcareous sand, 90% or more calcareous content, partial size is most of between 0.8~1.2mm, and bulk density is generally 1.31g/m3, specific gravity 2.80, porosity 53% or so.
Further, each group distribution ratio in the full coral aggregate seawater coagulation soil are as follows: cement 540kg/m3, the thick bone of coral Expect 560kg/m3, coral sand 710kg/m3, seawater dosage 220kg/m3, Sika three generations's water-reducing agent 7.5kg/m3, and cement uses 42.5 sulfate-resistant cements or 42.5 normal silicates.
Further, the mixing method of the full coral aggregate seawater coagulation soil are as follows: 1) will be dried first with crusher Corallite be broken into 5-20mm partial size, it is desirable that gradation is good and controls gill shape coral content, crosses 5mm square hole after being crushed Sieve, screen out broken generation is more than powder；2) coral sand, broken coral coarse aggregate are put into blender and mix and stir 30s, then 1/2 total seawater dosage is added while stirring and stirs 1min；3) cement is poured into blender stirring 30s, and by water-reducing agent and remaining Mixing water mixing pours into blender and continues to mix and stir 2min.
The utility model has the advantages that a kind of fastener type FRP tie hoop provided by the invention, which enhances rectangular FRP, manages full coral aggregate seawater Concrete column has the advantage that compared with the existing technology
1, islands and reefs engineering construction freshwater resources, sandstone are alleviated as concrete material using seawater, coral reef, coral sand The problems such as in short supply, shortens construction period；
2, using the combination of rectangular FRP pipe and FRP tie hoop, so that the concrete column not only has circular columns carrying The high feature of ability, while the advantages of also there is square column easy construction, be conducive to space layout, while being made using FRP material The component has excellent endurance quality；
3, tie hoop cage and FRP pipe are fixed with clamp styles, becomes a stable entirety, and convenient for practical Tie hoop cage location and protective layer thickness are controlled when construction；
4, the processing is simple, easy for construction, column section product is reduced under same bearer power, bearing capacity is high, ductility, durability Can be good, overall life cycle cost is low.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram that FRP fillet square tube is formed in the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of FRP tie hoop in the embodiment of the present invention；
Fig. 4 is the structural schematic diagram of metal button member in the embodiment of the present invention；
Fig. 5 is the schematic cross-section of concrete column in the embodiment of the present invention；
It include: 1, molding FRP fillet square tube, 2, Quan Shanhu aggregate seawater coagulation soil, 3, longitudinal FRP tendons, 4, FRP spiral shell in figure Revolve stirrup, 5, T-type pedestal, 6, U-shaped buckle.
Specific embodiment
The present invention will be further explained with reference to the accompanying drawings and embodiments.
Enhance rectangular FRP as shown in Figs. 1-3 for a kind of fastener type FRP tie hoop and manages full coral aggregate seawater coagulation soil Column, including molding FRP fillet square tube 1, FRP tie hoop 4, metal button member and full coral aggregate seawater coagulation soil 2；
Wherein, the FRP tie hoop 4 is arranged in molding FRP fillet square tube 1 with central axis, by being arranged in into Metal button member on 1 inner wall center line of type FRP fillet square tube realizes the fixation of FRP tie hoop 4 and molding FRP fillet square tube 1, And full coral aggregate seawater coagulation soil 2 is poured in molding FRP fillet square tube 1, forms concrete column section as shown in Figure 5.
In the present embodiment, binding and fixing have at least four longitudinal FRP tendons being uniformly distributed along the circumference on the FRP tie hoop 4 3, and the outer diameter of FRP tie hoop 4 is less than side length 40-60mm in molding FRP fillet square tube 1.
Molding rounded square fiberglass pipe GFRP, basalt fibre pipe can be used in the molding FRP fillet square tube 1 BFRP, carbon fiber pipe CFRP or aramid fiber pipe AFRP etc., and thickness of pipe wall 3mm-6mm.
One of BFRP, GFRP, CFRP or AFRP or more can be used in the FRP tie hoop 4 and longitudinal FRP tendons 3 Kind.
As shown in figure 4, the metal button member is that antirust material metal button member (uses stainless steel material, or sprays on surface Antirust paint is applied, prevents fastener from corroding) comprising compatible T-type pedestal 5 and U-shaped buckle 6, wherein T-type pedestal 5 utilizes epoxy Resin is pasted on molding 1 inner wall of FRP fillet square tube, and U-shaped buckle 6 passes through tie hoop and snaps connection with T-type pedestal 5.
The full coral aggregate seawater coagulation soil 2 is by cement, coral aggregate, coral sand, seawater and water-reducing agent by certain ratio Example is formulated, and strength grade is not less than C40；
Wherein, the bulk density of the coral aggregate is in 900~1100kg/m3, 1800~2300kg/m of apparent density3, cylinder Compressive Strength is generally not less than 2.5MPa, chloride ion content 0.006%~0.074%, porosity 50% or so；The coral sand is Calcareous sand, 90% or more calcareous content, partial size is most of between 0.8~1.2mm, and bulk density is generally 1.31g/m3, specific gravity 2.80, porosity 53% or so.
Each group distribution ratio in the full coral aggregate seawater coagulation soil 2 are as follows: cement 540kg/m3, coral coarse aggregate 560kg/ m3, coral sand 710kg/m3, seawater dosage 220kg/m3, Sika three generations's water-reducing agent 7.5kg/m3, and cement uses 42.5 sulfuric-resistings Salt cement or 42.5 normal silicates；Its mixing method are as follows: 1) dry corallite is broken into 5- first with crusher 20mm partial size, it is desirable that gradation is good and controls gill shape coral content, crosses 5mm square hole screen after being crushed, and screens out broken generation More than powder；2) coral sand, broken coral coarse aggregate are put into blender and mix and stir 30s, it is total that 1/2 is then added while stirring Seawater dosage stirs 1min；3) cement is poured into blender stirring 30s, and water-reducing agent is mixed with remaining mixing water and pours into stirring Machine continues to mix and stir 2min.
The preparation method of full coral aggregate seawater coagulation earth pillar of the present invention the following steps are included:
A, as shown in figure 3, production FRP tie hoop cage, wherein at least uses four longitudinal FRP tendons 3 and FRP tie hoop 4 is fixed, fixation can with tied silk or plastic strapping tape by tie hoop 4 with longitudinal direction 3 muscle binding and fixing of FRP tendons when should be noted that Adjustment tie hoop spacing is uniformly distributed；
B, according to selected tie hoop spacing, metal button member base portion 5 is pasted onto FRP inside pipe wall with epoxy resin Pedestal spacing is adjusted on the center line at four sides, according to tie hoop spacing, is then put into the tie hoop cage bound rectangular It forms in FRP pipe 1, it is desirable that FRP pipe is aligned with stirrup cage center, passes through tie hoop with buckle 6 after adjustment good position, successively It is buckled on fastener pedestal 5, can thus be fixed on FRP tie hoop on the shop FRP, FRP pipe is made to form one with tie hoop A entirety, it is as shown in Figure 5 convenient for control stirrup cage location and protective layer thickness, column section in casting concrete.
Due to concrete use seawater mixing, and component local environment be South Sea high temperature, high humidity, hypersaline environment, therefore Elastic metallic fastener 5,6 preferably uses stainless steel material, or sprays antirust paint on surface, prevents fastener from corroding.
C, dry corallite the full coral aggregate seawater coagulation soil 2 of mixing: is broken into 5-20mm first with crusher Partial size, it is desirable that gradation is good and controls gill shape coral content, crosses 5mm square hole screen after being crushed, screens out being more than for broken generation Powder；Coral sand, broken coral coarse aggregate are put into blender and mix and stir 30s, 1/2 total seawater is then added while stirring and uses Amount stirring 1min；Cement is poured into blender stirring 30s, and water-reducing agent is mixed with residue mixing water and pours into blender and continues to mix And 2min.
The full coral aggregate seawater coagulation soil each group distribution ratio: cement: preferably 42.5 sulfate-resistant cements or 42.5 Ordinary portland cement 540kg/m3, coral coarse aggregate 560kg/m3, coral sand 710kg/m3, water consumption 220kg/m3, Sika Three generations's water-reducing agent 7.5kg/m3.
D, the full coral aggregate seawater coagulation soil of mixing is poured in FRP pipe, forms fastener type FRP spiral shell within maintenance 28 days It revolves stirrup enhancing FRP and manages full coral aggregate seawater coagulation earth pillar.
In the present invention, the rectangular FRP pipe, spiral shape FRP stirrup, the straight muscle of FRP, metal button member all have excellent corrosion resistant Corrosion energy, directly to provide precondition using full coral aggregate seawater coagulation soil under marine environment, since FRP material has There is excellent tensile property, FRP pipe substantially increases the concrete to the double constraints of core concrete with FRP tie hoop The bearing capacity of column it is not high to compensate for current coral concrete intensity, it is difficult to the defect being applied in engineering main bearing member. Simultaneously in islands and reefs engineering, gathers materials on the spot, using the coral reef sand and seawater that islands and reefs are common, saves cost, shorten the duration, The construction of ocean islands and reefs engineering is advanced significantly.
The above is only a preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered It is considered as protection scope of the present invention.

Claims (8)

1. a kind of fastener type FRP tie hoop, which enhances rectangular FRP, manages full coral aggregate seawater coagulation earth pillar, which is characterized in that packet It is native (2) to include molding FRP fillet square tube (1), FRP tie hoop (4), metal button member and full coral aggregate seawater coagulation；
Wherein, the FRP tie hoop (4) is coaxially arranged in molding FRP fillet square tube (1), forms FRP circle by being arranged in Metal button member on angle square tube (1) inner wall realizes FRP tie hoop (4) and forms the fixation of FRP fillet square tube (1), and Quan Shan Coral aggregate seawater coagulation native (2) is poured in molding FRP fillet square tube (1).
2. a kind of fastener type FRP tie hoop according to claim 1, which enhances rectangular FRP, manages full coral aggregate seawater coagulation Earth pillar, which is characterized in that binding and fixing have at least four longitudinal FRP tendons being uniformly distributed along the circumference on the FRP tie hoop (4) (3), and the outer diameter of FRP tie hoop (4) is less than molding FRP fillet square tube (1) interior side length 40-60mm.
3. a kind of fastener type FRP tie hoop according to claim 1, which enhances rectangular FRP, manages full coral aggregate seawater coagulation Earth pillar, which is characterized in that the molding FRP fillet square tube (1) is using molding rounded square fiberglass pipe, basalt fibre Pipe, carbon fiber pipe or aramid fiber pipe, and thickness of pipe wall 3mm-6mm.
4. a kind of fastener type FRP tie hoop according to claim 2, which enhances rectangular FRP, manages full coral aggregate seawater coagulation Earth pillar, which is characterized in that the FRP tie hoop (4) and longitudinal FRP tendons (3) are using in BFRP, GFRP, CFRP or AFRP It is one or more kinds of.
5. a kind of fastener type FRP tie hoop according to claim 1, which enhances rectangular FRP, manages full coral aggregate seawater coagulation Earth pillar, which is characterized in that the metal button member is antirust material metal button member comprising compatible T-type pedestal (5) and U-shaped It buckles (6), wherein T-type pedestal (5) is pasted on molding FRP fillet square tube (1) inner wall using epoxy resin, U-shaped buckle (6) It is snapped connection across tie hoop and T-type pedestal (5).
6. a kind of fastener type FRP tie hoop according to claim 1, which enhances rectangular FRP, manages full coral aggregate seawater coagulation Earth pillar, which is characterized in that the full coral aggregate seawater coagulation native (2) by cement, coral coarse aggregate, coral sand, seawater and subtracts Aqua is formulated in proportion；
Wherein, the bulk density of the coral coarse aggregate is 900~1100kg/m3, and apparent density is 1800~2300kg/m3, Cylindrical compress strength is not less than 2.5MPa, and chloride ion content is 0.006%~0.074%, porosity 50%；The coral sand is calcium Matter sand, 90% or more calcareous content, partial size is between 0.8~1.2mm, bulk density 1.31g/m3, specific gravity 2.80, porosity is 53%.
7. a kind of fastener type FRP tie hoop according to claim 6, which enhances rectangular FRP, manages full coral aggregate seawater coagulation Earth pillar, which is characterized in that each group distribution ratio in the full coral aggregate seawater coagulation native (2) are as follows: cement 540kg/m3, coral is thick Aggregate 560kg/m3, coral sand 710kg/m3, seawater dosage 220kg/m3, Sika three generations's water-reducing agent 7.5kg/m3, and cement uses 42.5 sulfate-resistant cements or 42.5 normal silicates.
8. a kind of fastener type FRP tie hoop according to claim 7, which enhances rectangular FRP, manages full coral aggregate seawater coagulation Earth pillar, which is characterized in that the mixing method of the full coral aggregate seawater coagulation native (2) are as follows:
1) dry corallite is broken into 5-20mm partial size using crusher, crosses 5mm square hole screen after being crushed, screens out broken production Raw is more than powder；
2) coral sand, broken coral coarse aggregate are put into blender and stir 30s, 1/2 total sea is then added while stirring Water consumption stirs 1min；
3) cement is poured into blender to continue to stir 30s, water-reducing agent is mixed with remaining mixing water then and pours into blender continuation Mix and stir 2min.
CN201910621496.7A 2019-07-10 2019-07-10 A kind of rectangular FRP of fastener type FRP tie hoop enhancing manages full coral aggregate seawater coagulation earth pillar Pending CN110331821A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201910621496.7A CN110331821A (en) 2019-07-10 2019-07-10 A kind of rectangular FRP of fastener type FRP tie hoop enhancing manages full coral aggregate seawater coagulation earth pillar
PCT/CN2019/109873 WO2021003859A1 (en) 2019-07-10 2019-10-08 All-coral aggregate seawater concrete column with buckle-type frp spiral hooping reinforced square frp pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910621496.7A CN110331821A (en) 2019-07-10 2019-07-10 A kind of rectangular FRP of fastener type FRP tie hoop enhancing manages full coral aggregate seawater coagulation earth pillar

Publications (1)

Publication Number Publication Date
CN110331821A true CN110331821A (en) 2019-10-15

Family

ID=68145990

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910621496.7A Pending CN110331821A (en) 2019-07-10 2019-07-10 A kind of rectangular FRP of fastener type FRP tie hoop enhancing manages full coral aggregate seawater coagulation earth pillar

Country Status (2)

Country Link
CN (1) CN110331821A (en)
WO (1) WO2021003859A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110984461A (en) * 2019-12-27 2020-04-10 中国矿业大学 Seawater coral aggregate concrete block with built-in FRP rib framework and construction method
CN113846801A (en) * 2021-09-26 2021-12-28 东南大学 FRP (fiber reinforced plastic) tube alkali-activated slag-based seawater coral aggregate concrete column and preparation method thereof

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113585622A (en) * 2021-08-10 2021-11-02 广西大学 Aluminum alloy composite seawater concrete column internally pasted with CFRP
CN114085046A (en) * 2021-10-11 2022-02-25 青岛理工大学 Ocean concrete structure reinforced by adopting hybrid FRP (fiber reinforced Plastic) ribs and preparation method thereof
CN115095181A (en) * 2022-05-27 2022-09-23 上海应用技术大学 Reinforced magnesium phosphate cement mortar column reinforcing structure and using method thereof
CN116290573A (en) * 2023-04-07 2023-06-23 福州大学 Prefabricated UHPC-stainless steel sleeve constrained seawater sea sand concrete combined column and construction method
CN116730689B (en) * 2023-08-10 2023-11-14 湘潭大学 Basalt fiber reinforced coral sand concrete and preparation method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5599599A (en) * 1995-07-06 1997-02-04 University Of Central Florida Fiber reinforced plastic ("FRP")-concrete composite structural members
CN201649285U (en) * 2010-02-02 2010-11-24 哈尔滨工业大学深圳研究生院 FRP sectional steel sea-sand concrete component
CN202519883U (en) * 2012-03-19 2012-11-07 河南理工大学 FRP (Fiber Reinforce Plastic) pipe restrained high-strength steel bar enhanced super-high-toughness fiber enhanced cement-based composite material hollow column component
CN105386443A (en) * 2015-10-19 2016-03-09 广西大学 FRP pipe and thick-wall steel pipe compounding hollow recycled concrete pile
CN105936593A (en) * 2016-04-28 2016-09-14 中冶建筑研究总院有限公司 Seawater coral aggregate concrete
CN107816169A (en) * 2017-10-25 2018-03-20 南京林业大学 A kind of FRP spiral bars strengthen stainless steel tube seawater marine sand concrete structure

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3745752B2 (en) * 2003-07-07 2006-02-15 東日本旅客鉄道株式会社 Steel pipe column structure
JP4113217B2 (en) * 2005-09-09 2008-07-09 東日本旅客鉄道株式会社 Reinforcing bar reinforcement structure in the plastic hinge region of concrete members
CN105421661A (en) * 2015-12-01 2016-03-23 广东省建筑设计研究院 Large-diameter steel pipe concrete column with built-in longitudinal partition plates and construction method of large-diameter steel pipe concrete column
CN106149872A (en) * 2016-07-05 2016-11-23 中国京冶工程技术有限公司 A kind of advanced composite material (ACM) and coral concrete structural system and construction method thereof
CN106836649A (en) * 2017-03-30 2017-06-13 韦灼彬 Coral concrete combining structure post is filled out in fiber cloth outside steel pipe
CN107503470A (en) * 2017-05-26 2017-12-22 广东工业大学 A kind of pre-stress FRP sleeve FRP tendons sea sand seawater expansive concrete coupled column
CN108083738A (en) * 2018-01-24 2018-05-29 中国科学院武汉岩土力学研究所 Full coral aggregate concrete of polypropylene fibre and preparation method thereof
CN108661241B (en) * 2018-05-28 2020-05-15 山东建筑大学 Concrete column with steel plate mesh sleeved outside and manufacturing method thereof
CN109098354A (en) * 2018-07-16 2018-12-28 广东工业大学 A kind of FRP pipe composite reinforcing sea sand concrete columns and preparation method thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5599599A (en) * 1995-07-06 1997-02-04 University Of Central Florida Fiber reinforced plastic ("FRP")-concrete composite structural members
CN201649285U (en) * 2010-02-02 2010-11-24 哈尔滨工业大学深圳研究生院 FRP sectional steel sea-sand concrete component
CN202519883U (en) * 2012-03-19 2012-11-07 河南理工大学 FRP (Fiber Reinforce Plastic) pipe restrained high-strength steel bar enhanced super-high-toughness fiber enhanced cement-based composite material hollow column component
CN105386443A (en) * 2015-10-19 2016-03-09 广西大学 FRP pipe and thick-wall steel pipe compounding hollow recycled concrete pile
CN105936593A (en) * 2016-04-28 2016-09-14 中冶建筑研究总院有限公司 Seawater coral aggregate concrete
CN107816169A (en) * 2017-10-25 2018-03-20 南京林业大学 A kind of FRP spiral bars strengthen stainless steel tube seawater marine sand concrete structure

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110984461A (en) * 2019-12-27 2020-04-10 中国矿业大学 Seawater coral aggregate concrete block with built-in FRP rib framework and construction method
CN110984461B (en) * 2019-12-27 2021-04-30 中国矿业大学 Seawater coral aggregate concrete block with built-in FRP rib framework and construction method
WO2021129019A1 (en) * 2019-12-27 2021-07-01 尹世平 Seawater coral aggregate concrete building block with built-in frp rib skeleton and construction method
CN113846801A (en) * 2021-09-26 2021-12-28 东南大学 FRP (fiber reinforced plastic) tube alkali-activated slag-based seawater coral aggregate concrete column and preparation method thereof

Also Published As

Publication number Publication date
WO2021003859A1 (en) 2021-01-14

Similar Documents

Publication Publication Date Title
CN110331821A (en) A kind of rectangular FRP of fastener type FRP tie hoop enhancing manages full coral aggregate seawater coagulation earth pillar
WO2021109994A1 (en) Ecological concrete and preparation method, and high-durability marine concrete structure construction method
CN104891892A (en) Method used for preparing simulate planting concrete from sludge
CN108083738A (en) Full coral aggregate concrete of polypropylene fibre and preparation method thereof
KR20210023937A (en) Remicon, concrete, cement, material, manufacture, construction, work, equipment, facility, building, structure
US20220312746A1 (en) Concrete settlement substrate for oyster and preparation method thereof, and marine ecological engineering construction method
CN104120909B (en) A kind of high-strength high-voltage line electric pole
CN201809788U (en) Well cover
CN108086594A (en) A kind of fiber composite steel open web type angle steel marine aggregate concrete square column and preparation method thereof
CN108018955A (en) Composite thermal insulation system inside and outside wall
CN107447646A (en) A kind of steel continuous fiber composite reinforcing ECC concrete combined column/bridge pier and preparation method thereof
CN109437933A (en) A kind of semi-drying is without concrete steel slag grid and preparation method thereof
KR20230150927A (en) Wind power aeration, cleaning, compressor, generation facility
CN106495594A (en) A kind of Reinforced Concrete Materials suitable for ocean coral island and preparation method thereof
CN106746990A (en) Enhanced corrosion resistant type reinforced concrete sewer pipe of a kind of modified polypropylene fiber and preparation method thereof
CN106673568A (en) Silica sol-modified corrosion-resistant reinforced concrete drain pipe and preparation method thereof
CN110498656A (en) Seawater sea sand cement-base composite material of curing of chloride ion and preparation method thereof
WO2020035961A1 (en) Underwater concrete structure manufacturing method
CN109555267A (en) A kind of complex coagulation earth pillar and preparation method thereof
CN108558312A (en) A kind of concrete and preparation method thereof prepared using synthesis double helix fiber
CN107460994A (en) Assembled steel tube high-strength concrete column and its construction method
CN103304190A (en) High impervious and anti-cracking protection layer for casting roofing waterproof layer and manufacturing process thereof
CN109133779A (en) A method of utilizing aluminium-alloy pipe seawater coral reef concrete column antiknock
CN109553342A (en) A kind of seawater mixes curing cement based cementitious material
WO2021109992A1 (en) Marine ecological engineering construction method, asphalt-cement based coating, and preparation method

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
RJ01 Rejection of invention patent application after publication

Application publication date: 20191015