CN105350790B - A kind of method of precast prestressed TRC plates reinforced steel concrete plate - Google Patents
A kind of method of precast prestressed TRC plates reinforced steel concrete plate Download PDFInfo
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- CN105350790B CN105350790B CN201510686459.6A CN201510686459A CN105350790B CN 105350790 B CN105350790 B CN 105350790B CN 201510686459 A CN201510686459 A CN 201510686459A CN 105350790 B CN105350790 B CN 105350790B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
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Abstract
The invention discloses a kind of method of precast prestressed TRC plates reinforced steel concrete plate, including make Prestressed T RC thin plates, interface processing, construction of facing upward.The present invention has advantages below：The characteristics of easy processing strong using TRC material plasticity, TRC thin plates are made two-way groined type, the band in 2 directions can stress, meet the loading characteristic of armored concrete board member；TRC lamella thickness is little, lighter weight, to constructional appearance and little using spacial influence；Compared with armored concrete, because using non-metallic fibers fabric and stainless reinforcing bar, and MPC is inorganic material, causes reinforcement means especially suitable for the damage reinforced concrete structure under corrosive environment using this interface processing mode；Common fibrous composite cloth ruggedized construction is compared to, the alkali proof fiber net of bearing load is protected by high-performance fine concrete layer, is not easily susceptible to scrape the influence with fire；Using Prestressed T RC web braces, the tensile property of TRC materials can be given full play to, improves anti-bending bearing capacity.
Description
Technical field
The invention belongs to building engineering structure field of reinforcement, more particularly to a kind of precast prestressed TRC plates reinforced steel to mix
The method of concrete board.
Background technology
Due to the influence of the factors such as service life limitation, function change, disaster effect, construction quality, China exists a large amount of
Building is needed reinforcement and repaired.Traditional reinforcement means is such as：Reinforcement method of enlarging section adds dead load, long construction period；
Extension supporting system method for strengthening is larger to constructional appearance and using spacial influence；Fibrous composite（Abbreviation FRP）It is method for strengthening, outer
Steel clad reinforcement method etc. can not solve the problems such as durability and high temperature resistant after structural strengthening.Fabric strengthens concrete（Textile
Reinforced Concrete, abbreviation TRC）Be by high-performance fine concrete and multiaxis alkali proof fiber net, as carbon fiber,
The advanced composite material (ACM) being combined into of alkali-resistant glass fibre, basalt fibre etc., there is good bearing capacity, limit to split energy for it
The thin high-strength light of power, wall, the advantages that corrosion-resistant and plasticity is strong, it is usually used in light prefabricated component and structural strengthening field.It is existing
The research of TRC materials applications be not specifically related to the reinforcing of board member also, existing cast-in-place TRC reinforcement means needs largely to face upward
Surface construction, it is inconvenient for operation, and the tensile property of TRC materials can not be given full play to using non-prestressed TRC web braces,
Consolidation effect is bad.
A kind of prefabricated TRC plates reinforced steel concrete devices of Chinese patent CN201310310742X and interface processing method,
Solve the problems, such as existing TRC materials for reinforced concrete structure poor operability in construction of facing upward.The prior art
In strengthen the performances of prefabricated TRC plates by non-metallic fibers fabric, and using inorganic material as interfacial agents, thus prepare
Plate there is corrosion resistance, especially suitable for the reinforced concrete structure reinforcing and repairing under corrosive environment.With common fiber
Reinforced resin cloth ruggedized construction is compared, and the alkali proof fiber net of bearing load is protected by high-performance fine concrete layer, no
It is vulnerable to the influence scraped with fire.
But the prefabricated TRC plates reinforced steel concrete device disclosed in above-mentioned prior art has following deficiency：First,
Only with non-metallic fibers fabric, also it is not enough to strengthen the tensile resistance of prefabricated TRC plates；Using reinforcing TRC thin plates simultaneously
Do not apply prestressing force so that the tensile strength of TRC materials is not used fully, so as to bear more pulling force, is added
It is Gu ineffective.
The content of the invention
Present invention solves the technical problem that：In order to obtain, a kind of anti-bending strength is strong, constructing operation of facing upward is convenient and reinforcing effect
The method of the good armoured concrete slab of fruit, the present invention provide a kind of method of precast prestressed TRC plates reinforced steel concrete plate.
To achieve these goals, the present invention uses following technical scheme：
A kind of method of precast prestressed TRC plates reinforced steel concrete plate, including make Prestressed T RC thin plates, interface
Handle, construction of facing upward；The Prestressed T RC thin plates are made up of high performance composite mortar, alkali proof fiber net and stainless reinforcing bar, specifically
It is made by following steps：
（1）Alkali proof fiber net, which is cut into, vertically and horizontally respectively the groined type shape of 2 bands, and the length L of band is with being reinforced
Concrete slab（1）Length it is consistent, each strip width 350mm ~ 450mm, band is vertically and horizontally apart from its end 1/5L ~ 1/4L
Place is intersecting；
（2）Stainless reinforcing bar is worn in the centre position of each band；
（3）In template upper 5mm ~ 7mm high performance composite mortar, by step（1）In the alkali proof fiber net that cuts
High performance composite mortar surface is placed in, and the end of alkali proof fiber net is placed in stretching pedestal, alkali proof fiber is stretched on pedestal
Net, extended state is kept not loosen, control stress for prestressing is 0.3 ~ 0.5 times of TRC thin plate ultimate tensile strengths；
（4）In a template pour into a mould 7mm ~ 9mm high performance composite mortars, temperature be 20 DEG C ± 2 DEG C, humidity be at least 95%
Under conditions of conserve 28 days, loosen alkali proof fiber net and " well " font Prestressed T RC thin plates be made.
According to the thickness for being reinforced armoured concrete slab, i.e., the tensile force that TRC thin plates are subjected to, adjust above-mentioned steps
（1）The intersecting position of middle strip in length and breadth, the required tensile force that bears is bigger, and intersection is further away from end；Conversely, required hold
The tensile force received is smaller, and intersection is closer to end.
In addition, wear stainless reinforcing bar in each band centre position, the tensile resistances of TRC thin plates can be strengthened so as to carry
High consolidation effect；And alkali proof fiber net is stretched on pedestal, and the state for keeping not loosening can further enhance TRC thin plates
Tensile resistance.The high performance composite mortar is often with match ratio：Cement（C）:Sand（S）:Water（W）:Additive（JM-PCA
（Ⅰ））=1:1.5:0.32:0.015.Cement is the Portland cements of P. II 52.5.Experiment is that modulus of fineness is 2.6 II with sand
The middle sand in area, apparent density 1.2g/cm3.Water reducer is JM-PCA（Ⅰ）Type super plasticizer.
Wherein, the interface processing and work progress of facing upward are realized by following steps：
（1）Being reinforced, concrete slab surface chisel is rough, exposes concrete, forms " well " font and digs rough band；
（2）And bolt hole is opened up in the end of the every rough band of chisel, stainless steel bolt is screwed in, boundary is poured into bolt hole gap
Face agent simultaneously treats its solidification；
（3）Opened up in the correspondence position of Prestressed T RC thin plates and rough take relative bolt hole with digging；
（4）The aggregate for digging the rough dust taken and loosening is brushed away, embedding scrape of interfacial agents is filled and led up in the rough band of chisel, smearing, thickness
For 4mm ~ 8mm, interface process is so far completed；
（5）The contraposition of Prestressed T RC thin plates is labelled to step（4）Concrete slab bottom is reinforced after processing, in advance should be tapped
Power TRC thin plates make interfacial agents fill space, scrape off unnecessary interfacial agents；
（6）For stainless steel bolt tightening nuts, arrangement carpenters' clamp is anchored, and carpenters' clamp is removed after maintenance can complete to face upward
Surface construction process.
In interface process, being reinforced, concrete slab surface chisel is rough, exposes concrete, in subsequent process
" well " font chisel it is rough take smear interfacial agents when can preferably with concrete layer bond, so as to improve concrete layer and boundary
The adhesion strength of face agent.In addition, interfacial agents are digging the rough smearing thickness taken reinforced concrete floor of reinforcing required for
Thickness determines, when the reinforced concrete floor to need reinforcement is thicker, then needs to increase the smearing thickness of interfacial agents；Conversely, then
Reduce the smearing thickness of interfacial agents.
Face upward in work progress, arrangement carpenters' clamp is to fixed Prestressed T RC thin plates and is reinforced concrete slab, prevents
Prestressed T RC thin plates come off before interfacial agents are not sufficiently hardened.
As a preferred technical solution of the present invention, the alkali proof fiber net is carbon fiber, aramid fiber, basalt fibre
Dimension or alkali-resistant glass fibre.
As a preferred technical solution of the present invention, step（3）In on pedestal stretching vertically and horizontally alkali proof fiber simultaneously
Net.
As a preferred technical solution of the present invention, step（4）In under conditions of temperature is 22 DEG C, humidity is 98%
Maintenance loosens alkali proof fiber net and the groined preload stress TRC thin plates that thickness is 12mm ~ 16mm is made after 28 days, 28 days.
As a preferred technical solution of the present invention, the bolt hole aperture is 10mm, depth 50mm.
As a preferred technical solution of the present invention, the interfacial agents are potassium magnesium phosphate cement.
Wherein, potassium magnesium phosphate cement be by sintered magnesia, soluble phosphate, additive and mineral admixture according to
Certain proportion, in the presence of having water, react the novel inorganic binder materials using phosphate hyrate to cohere phase of generation.Phosphoric acid
Potassium magnesium cement has following special performance compared with other inorganic coagulation materials：（1）It is rapid to condense hardening, early strength is high；
（2）Adhesion strength height, compatibility with old concrete is good；（3）Permeability resistance is strong, freeze thawing resistance, salt resistance jelly；（4）Fire-proof high-temperature resistant.
These advantages cause potassium magnesium phosphate cement be used as reinforcement material interfacial agents, can Rapid-Repair structure, reach in very short time
Design strength requirement, save construction period.
Beneficial effect
Compared with prior art, the present invention has advantages below：
（1）The method of precast prestressed TRC plates reinforced steel concrete plate of the present invention utilizes TRC material plasticity
By force, the characteristics of easy processing, TRC thin plates are made two-way " well " font, the band in 2 directions can stress, meet reinforced concrete
The loading characteristic of native board member；
（2）TRC lamella thickness is little, 12mm ~ 16mm, lighter weight, to constructional appearance and little using spacial influence；
（3）TRC thin plates are compared with armored concrete, due to using non-metallic fibers fabric and stainless reinforcing bar, and interface
Agent MPC is inorganic material, and reinforcement means has corrosion resistance using this interface processing mode so that reinforcement means is particularly suitable
Damage reinforced concrete structure under corrosive environment；
（4）Common fibrous composite cloth ruggedized construction is compared to, the alkali proof fiber net of bearing load is by high property
The protection of energy fine concrete layer, it is not easily susceptible to scrape the influence with fire；
（5）Compared with existing TRC materials use cast-in-place or gunite concrete reinforcement technique, using the thin plate of prefabricated processing
To site operation, reduce substantial amounts of construction of facing upward, it is simple and convenient；
（6）Compared with non-prestressed TRC web braces technology, TRC materials can be made full use of using Prestressed T RC thin plates
Tensile strength；Using non-prestressed TRC web braces, TRC thin plates are with being reinforced the presence of both reinforcing bars of armoured concrete slab
Stress resort, the strain development of TRC thin plates is little when causing the securing plate to destroy, and the tensile strength of TRC materials does not obtain fully
Use, prestressing force is applied due to initial using Prestressed T RC thin plates, the reinforcing bar with being reinforced plate, which strains, differs small, so reinforces
When plate destroys, the strain of TRC thin plates is also higher, therefore can make full use of the tensile strength of TRC materials.
（7）Stainless reinforcing bar is worn in carbon/glass web fixed carbon/glass web when can not only pour composite mortar
Position, moreover it is possible to improve the rigidity of TRC thin plates, be easy to transport, while can in ruggedized construction stand under load, play certain raising and hold
Carry the effect of power.
Brief description of the drawings
Fig. 1 is alkali proof fiber network plane figure；
Fig. 2 is to reinforce plate structure schematic diagram；
Wherein, 1 is to be reinforced concrete slab；2 be interfacial agents；3 be high performance composite mortar；4 be alkali proof fiber net；5 are
Stainless reinforcing bar；6 be stainless steel bolt.
Embodiment
Embodiment 1
A kind of method of precast prestressed TRC plates reinforced steel concrete plate, including make Prestressed T RC thin plates, interface
Handle, construction of facing upward；The Prestressed T RC thin plates are made up of high performance composite mortar 3, alkali proof fiber net 4 and stainless reinforcing bar 5,
Specifically it is made by following steps：
（1）Alkali proof fiber net 4, which is cut into, vertically and horizontally respectively the groined type shape of 2 bands, and the length L of band is with being reinforced
The length of concrete slab 1 is consistent, each strip width 350mm, and strip in length and breadth is intersecting at the 1/5L of end；
（2）Stainless reinforcing bar 5 is worn in the centre position of each band；
（3）In bottom template upper 5mm high performance composite mortar 3, by step（1）In the alkali proof fiber net that cuts
4 are placed in composite mortar surface, and the end of alkali proof fiber net 4 is placed in into stretching pedestal, and alkali proof fiber is stretched simultaneously on pedestal
Net 4, extended state is kept not loosen, control stress for prestressing is 0.3 times of TRC thin plate ultimate tensile strengths；
（4）7mm high performance composite mortars 3 are poured into a mould in a template, are conserved under conditions of temperature is 20 DEG C, humidity is 95%
28 days, loosen alkali proof fiber net 4 and groined preload stress TRC thin plates, thickness 12mm is made.
Wherein, the interface processing and construction of facing upward are realized by following steps：
（1）Being reinforced, the surface of concrete slab 1 chisel is rough, exposes concrete, forms groined type and digs rough band；
（2）And bolt hole is opened up in the end of the every rough band of chisel, bolt hole aperture is 10mm, depth 50mm, is screwed in not
Become rusty steel bolt 6, and interfacial agents 2 are poured into bolt hole and treat its solidification；
（3）Opened up in the correspondence position of Prestressed T RC thin plates with digging rough band identical bolt hole；
（4）Brush away and dig the rough aggregate with dust and loosening, embedding scrape of interfacial agents 2 is filled and led up in the rough band of chisel, smearing, thickness is
4mm, so far realize interface process；
（5）The contraposition of Prestressed T RC thin plates is labelled to step（4）The bottom of concrete slab 1 is reinforced after processing, in advance should be tapped
Power TRC thin plates make interfacial agents 2 fill space, scrape off unnecessary interfacial agents 2；
（6）Stainless steel bolt 6 is spun into nut, arrangement carpenters' clamp is anchored, and carpenters' clamp is removed after maintenance to be completed
Face upward work progress.
Embodiment 2
A kind of method of precast prestressed TRC plates reinforced steel concrete plate, including make Prestressed T RC thin plates, interface
Handle, construction of facing upward；The Prestressed T RC thin plates are made up of high performance composite mortar 3, alkali proof fiber net 4 and stainless reinforcing bar 5,
Specifically it is made by following steps：
（1）Alkali proof fiber net 4, which is cut into, vertically and horizontally respectively the groined type shape of 2 bands, and the length L of band is with being reinforced
The length of concrete slab 1 is consistent, each strip width 400mm, and strip in length and breadth is intersecting at the 1/4L of end；
（2）Stainless reinforcing bar 5 is worn in the centre position of each band；
（3）In bottom template upper 6mm high performance composite mortar 3, by step（1）In the alkali proof fiber net that cuts
4 are placed in composite mortar surface, and the end of alkali proof fiber net 4 is placed in into stretching pedestal, and alkali proof fiber is stretched simultaneously on pedestal
Net 4, extended state is kept not loosen, control stress for prestressing is 0.4 times of TRC thin plate ultimate tensile strengths；
（4）8mm high performance composite mortars 3 are poured into a mould in a template, are conserved under conditions of temperature is 21 DEG C, humidity is 100%
28 days, loosen alkali proof fiber net 4 and groined preload stress TRC thin plates, thickness 15mm is made.
Wherein, the interface processing and construction of facing upward are realized by following steps：
（1）Being reinforced, the surface of concrete slab 1 chisel is rough, exposes concrete, forms groined type and digs rough band；
（2）And bolt hole is opened up in the end of the every rough band of chisel, bolt hole aperture is 10mm, depth 50mm, is screwed in not
Become rusty steel bolt 6, and interfacial agents 2 are poured into bolt hole and treat its solidification；
（3）Opened up in the correspondence position of Prestressed T RC thin plates with digging rough band identical bolt hole；
（4）Brush away and dig the rough aggregate with dust and loosening, embedding scrape of interfacial agents 2 is filled and led up in the rough band of chisel, smearing, thickness is
6mm, so far realize interface process；
（5）The contraposition of Prestressed T RC thin plates is labelled to step（4）The bottom of concrete slab 1 is reinforced after processing, in advance should be tapped
Power TRC thin plates make interfacial agents 2 fill space, scrape off unnecessary interfacial agents 2；
（6）Stainless steel bolt 6 is spun into nut, arrangement carpenters' clamp is anchored, and carpenters' clamp is removed after maintenance to be completed
Face upward work progress.
Embodiment 3
A kind of method of precast prestressed TRC plates reinforced steel concrete plate, including make Prestressed T RC thin plates, interface
Handle, construction of facing upward；The Prestressed T RC thin plates are made up of high performance composite mortar 3, alkali proof fiber net 4 and stainless reinforcing bar 5,
Specifically it is made by following steps：
（1）Alkali proof fiber net 4, which is cut into, vertically and horizontally respectively the groined type shape of 2 bands, and the length L of band is with being reinforced
The length of concrete slab 1 is consistent, each strip width 450mm, and strip in length and breadth is intersecting at the 1/4L of end；
（2）Stainless reinforcing bar 5 is worn in the centre position of each band；
（3）In bottom template upper 7mm high performance composite mortar 3, by step（1）In the alkali proof fiber net that cuts
4 are placed in composite mortar surface, and the end of alkali proof fiber net 4 is placed in into stretching pedestal, and alkali proof fiber is stretched simultaneously on pedestal
Net 4, extended state is kept not loosen, control stress for prestressing is 0.5 times of TRC thin plate ultimate tensile strengths；
（4）9mm high performance composite mortars 3 are poured into a mould in a template, are conserved under conditions of temperature is 22 DEG C, humidity is 98%
28 days, loosen alkali proof fiber net 4 and groined preload stress TRC thin plates, thickness 16mm is made.
Wherein, the interface processing and construction of facing upward are realized by following steps：
（1）Being reinforced, the surface of concrete slab 1 chisel is rough, exposes concrete, forms groined type and digs rough band；
（2）And bolt hole is opened up in the end of the every rough band of chisel, bolt hole aperture is 10mm, depth 50mm, is screwed in not
Become rusty steel bolt 6, and interfacial agents 2 are poured into bolt hole and treat its solidification；
（3）Opened up in the correspondence position of Prestressed T RC thin plates with digging rough band identical bolt hole；
（4）Brush away and dig the rough aggregate with dust and loosening, embedding scrape of interfacial agents 2 is filled and led up in the rough band of chisel, smearing, thickness is
8mm, so far realize interface process；
（5）The contraposition of Prestressed T RC thin plates is labelled to step（4）The bottom of concrete slab 1 is reinforced after processing, in advance should be tapped
Power TRC thin plates make interfacial agents 2 fill space, scrape off unnecessary interfacial agents 2；
（6）Stainless steel bolt 6 is spun into nut, arrangement carpenters' clamp is anchored, and carpenters' clamp is removed after maintenance to be completed
Face upward work progress.
Comparative example 1
Difference with embodiment 3 is to use non-prestressed TRC web braces armoured concrete slab.
Use the scheme concrete panels result that embodiment and comparative example provide for：Improve the cracking lotus of ruggedized construction
Carry, and then improve the durability of structure；Using non-prestressed TRC web braces, the tensile strength hair of TRC materials when structure is destroyed
Wave no more than 20%.Using the non-prestressed TRC web braces plate of woven net, its cracking load and ultimate load improve
35.2% and 26.5%, and the control stress for prestressing applied is when being 0.3 ~ 0.5 times of ultimate tensile strength, using same amount fabric web
Prestressed T RC thin plates securing plate, its cracking load rises to 97.5% ~ 110.2%, ultimate load rises to 77.4% ~
95.8%.When control stress for prestressing is more than 0.5 times of ultimate tensile strength or less than 0.3 times of ultimate tensile strength, consolidation effect
It is bad.
It is as shown in the table using embodiment 1 ~ 3 and the effect of the reinforced steel concrete plate of comparative example 1：
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative example 1 | |
| Tensile strength plays | 67.3% | 73.5% | 86.8% | 20% |
| Cracking load improves index | 97.5% | 101.7% | 110.2% | 35.2% |
| Ultimate load improves index | 77.4% | 85.6% | 95.8% | 26.5% |
Claims (3)
- A kind of 1. method of precast prestressed TRC plates reinforced steel concrete plate, it is characterised in that including making Prestressed T RC Thin plate, interface processing, construction of facing upward；The Prestressed T RC thin plates are by high performance composite mortar（3）, alkali proof fiber net（4）No Become rusty reinforcing bar（5）Composition, is specifically made by following steps：（1）By alkali proof fiber net（4）Being cut into vertically and horizontally respectively has the groined type shape of 2 bands, and the length L of band is mixed with being reinforced Concrete board（1）Length it is consistent, each strip width is 350mm ~ 450mm, and band is vertically and horizontally apart from its end 1/5L ~ 1/4L Place is intersecting；（2）Stainless reinforcing bar is worn in the centre position of each band（5）；（3）In bottom template upper 5mm ~ 7mm high performance composite mortar（3）, by step（1）In the alkali proof fiber that cuts Net（4）It is placed in high performance composite mortar（3）Surface, and by alkali proof fiber net（4）End be placed in stretching pedestal, it is same on pedestal Shi Lashen vertically and horizontally alkali proof fiber nets（4）, keep extended state not loosen, control stress for prestressing is 0.3 ~ 0.5 times of TRC thin plates Ultimate tensile strength；（4）In step（3）In template on continue pour into a mould 7mm ~ 9mm high performance composite mortars（3）, it is 22 DEG C, humidity in temperature To conserve 28 days under conditions of 98%, loosen alkali proof fiber net（4）" well " font Prestressed T RC that thickness is 12mm ~ 16mm is made Thin plate；The interface processing and construction of facing upward are realized by following steps：（1）It is being reinforced concrete slab（1）Surface chisel is rough, exposes concrete, forms " well " font and digs rough band；（2）Bolt hole is opened up in the end of the every rough band of chisel, screws in stainless steel bolt（6）, interface is poured into bolt hole gap Agent（2）And treat its solidification；（3）Opened up in the correspondence position of Prestressed T RC thin plates and rough take corresponding bolt hole with digging；（4）The aggregate for digging the rough dust taken and loosening is brushed away, by interfacial agents（2）Embedding to scrape in digging rough band, smearing is filled and led up, and thickness is 4mm ~ 8mm, so far complete interface process；（5）The contraposition of Prestressed T RC thin plates is labelled to step（4）Concrete slab is reinforced after processing（1）Bottom, tap prestressing force TRC thin plates make interfacial agents（2）Space is filled, scrapes off unnecessary interfacial agents（2）；（6）For stainless steel bolt（6）Tightening nuts, arrangement carpenters' clamp are anchored, and carpenters' clamp is removed after maintenance can complete to face upward Surface construction process；The alkali proof fiber net（4）For carbon fiber, aramid fiber, basalt fibre or alkali-resistant glass fibre.
- 2. a kind of method of precast prestressed TRC plates reinforced steel concrete plate according to claim 1, its feature exist In the bolt hole aperture is 10mm, depth 50mm.
- 3. a kind of method of precast prestressed TRC plates reinforced steel concrete plate according to claim 1, its feature exist In the interfacial agents（2）For potassium magnesium phosphate cement.
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| CN109322502A (en) * | 2017-07-31 | 2019-02-12 | 湖南大学 | A kind of high tensile reinforcement ultra-high performance concrete plate reinforced for flexural member |
| CN107269022A (en) * | 2017-08-10 | 2017-10-20 | 沈阳建筑大学建筑设计研究院 | The structure and method of a kind of concrete panels |
| CN109112977B (en) * | 2018-09-04 | 2024-01-16 | 南京林业大学 | Rapid prestress reinforced bridge body structure and method |
| CN115341707A (en) * | 2022-08-16 | 2022-11-15 | 北京市建筑设计研究院有限公司 | Prestressed carbon fiber fabric reinforced concrete sheet based on health monitoring |
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| CN103362318A (en) * | 2013-07-22 | 2013-10-23 | 盐城工学院 | Prefabricated TRC (textile reinforced concrete) plate-reinforced type reinforced concrete device and interface treatment method |
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| CN101476396B (en) * | 2009-01-22 | 2010-07-28 | 大连理工大学 | Method for reinforcing construction structure by fiber knitted net and fine concrete |
| CN201605707U (en) * | 2009-10-23 | 2010-10-13 | 柳州欧维姆机械股份有限公司 | Mixed-type carbon fiber plate |
| CN101736912B (en) * | 2009-12-03 | 2012-05-09 | 吴智深 | Anchorage method based on technique of bonding and reinforcement outside prestressed fiber cloth |
| CN201753531U (en) * | 2010-07-16 | 2011-03-02 | 吴智深 | Concrete structure reinforced by prestress FRP ribs |
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| CN103362318A (en) * | 2013-07-22 | 2013-10-23 | 盐城工学院 | Prefabricated TRC (textile reinforced concrete) plate-reinforced type reinforced concrete device and interface treatment method |
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| 预应力织物增强混凝土薄板的研究;杨凤玲等;《四川建筑科学研究》;20120630;第38卷(第3期);第89-92页 * |
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