CN111779194A - Method for installing glass fiber reinforcement in constructional engineering - Google Patents
Method for installing glass fiber reinforcement in constructional engineering Download PDFInfo
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- CN111779194A CN111779194A CN202010705782.4A CN202010705782A CN111779194A CN 111779194 A CN111779194 A CN 111779194A CN 202010705782 A CN202010705782 A CN 202010705782A CN 111779194 A CN111779194 A CN 111779194A
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- 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
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/162—Connectors or means for connecting parts for reinforcements
- E04C5/166—Connectors or means for connecting parts for reinforcements the reinforcements running in different directions
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/20—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups of material other than metal or with only additional metal parts, e.g. concrete or plastics spacers with metal binding wires
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- Engineering & Computer Science (AREA)
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- Reinforced Plastic Materials (AREA)
Abstract
The invention provides a method for installing glass fiber reinforcements in constructional engineering, which comprises the steps of firstly installing a plurality of glass fiber reinforcements, wherein the plurality of glass fiber reinforcements are arranged in an array manner, each glass fiber reinforcement comprises a base and a supporting rod, the supporting rods are vertically fixed above the base, the base is buried underground, the supporting rods are positioned on the ground, then a bottom glass fiber reinforcement net is installed, then a plurality of supports are installed, the plurality of supports are vertically arranged and arranged in the array manner on the bottom glass fiber reinforcement net, each support is composed of middle glass fiber reinforcements, the bottoms of the middle glass fiber reinforcements are fixed on the bottom glass fiber reinforcement net, finally a top glass fiber reinforcement net and a side glass fiber reinforcement net are installed, and the glass fiber reinforcements are used for replacing reinforcements to meet the crack resistance requirement of concrete by adopting the glass fiber reinforcements as a framework, so that a metal-free micro-vibration prevention platform is.
Description
Technical Field
The invention relates to the field of glass fiber reinforcement installation in constructional engineering, in particular to a reinforcement-free glass fiber reinforcement installation method in constructional engineering.
Background
The quantum communication has high efficiency and absolute safety of information transmission, is one of the hot fields of domestic and foreign scientific research, and has great application value and prospect in the information safety fields of national safety, finance and the like. However, the micro-vibration prevention platform in the quantum workshop requires anti-static conduction and anti-sound wave transmission, any raw material containing metal components cannot be added in the platform, so that the reinforcing steel bar cannot be used, but the anti-crack requirement of concrete cannot be met if the reinforcing steel bar is not used in the platform.
Disclosure of Invention
In view of the above, the invention provides a method for installing a glass fiber reinforcement in building engineering, which uses the glass fiber reinforcement as a framework to replace a steel bar to meet the anti-cracking requirement of concrete.
The technical scheme of the invention is realized as follows: the invention provides a method for installing glass fiber reinforcements in constructional engineering, which comprises the following steps:
s1, installing a plurality of glass fiber upright posts which are arranged in an array mode, wherein each glass fiber upright post comprises a base and a supporting rod, the supporting rods are vertically fixed above the bases, the bases are buried underground, and the supporting rods are located on the ground;
s2, mounting a bottom glass fiber rib net which is a rectangular network formed by staggered fastening connection of glass fiber ribs, wherein the bottom glass fiber rib net is horizontally arranged, and the glass fiber ribs of the bottom glass fiber rib net positioned at the support rods are fastened and connected with the corresponding support rods;
s3, mounting a plurality of supports, wherein the supports are vertically arranged and are arranged on the bottom glass fiber rib net in an array mode, each support is composed of middle glass fiber ribs, and the bottoms of the middle glass fiber ribs are fixed on the bottom glass fiber rib net;
s4, mounting a top layer glass fiber rib net, wherein the top layer glass fiber rib net is a rectangular network formed by staggered and fastened connection of glass fiber ribs, the top layer glass fiber rib net is horizontally arranged, the glass fiber ribs of the top layer glass fiber rib net at the positions of supporting rods are fastened and connected with the corresponding supporting rods, the top of the middle glass fiber rib is fixed on the top layer glass fiber rib net, and the top layer glass fiber rib net corresponds to the bottom layer glass fiber rib net;
s5, installing a side glass fiber rib net, wherein the side glass fiber rib net is a rectangular net formed by staggered and fastened connection of glass fiber ribs, the side glass fiber rib net is positioned on the side formed by the top layer glass fiber rib net and the bottom layer glass fiber rib net, the glass fiber ribs of the side glass fiber rib net positioned at the supporting rods are fastened and connected with the corresponding supporting rods, the top of the side glass fiber rib net is fixed with the top layer glass fiber rib net, and the bottom of the side glass fiber rib net is fixed with the bottom layer glass fiber rib net.
On the basis of the technical scheme, preferably, the distance between two adjacent glass fiber upright posts in S1 is 6-10 m.
On the basis of the technical scheme, preferably, the joints are tensioned and fixed through the plastic ribbons between two adjacent glass fiber ribs on the bottom glass fiber rib net in the S2, the joints are tensioned and fixed through the plastic ribbons between the glass fiber ribs on the bottom glass fiber rib net and the supporting rods, the joints are tensioned and fixed through the plastic ribbons between two adjacent glass fiber ribs on the top glass fiber rib net in the S4, the joints are tensioned and fixed through the plastic ribbons between the glass fiber ribs on the top glass fiber rib net and the supporting rods, the joints are tensioned and fixed through the plastic ribbons between two adjacent glass fiber ribs on the side glass fiber rib net in the S5, and the joints are tensioned and fixed through the plastic ribbons between the glass fiber ribs on the side glass fiber rib net and the supporting rods.
On the basis of the technical scheme, preferably, the support in the S3 consists of four middle glass fiber ribs, and the four middle glass fiber ribs surround a square.
On the basis of the technical scheme, preferably, the upper end and the lower end of the middle glass fiber rib are respectively fixed on the bottom glass fiber rib net and the top glass fiber rib net through plastic bands.
On the basis of the technical scheme, preferably, the positions, relative to the middle glass fiber rib, of the bottom glass fiber rib net and the top glass fiber rib net are sleeved with the colloid three-way pipe, the middle glass fiber rib is inserted into the upper and lower two opposite colloid three-way pipes to be abutted against the bottom glass fiber rib net and the top glass fiber rib net, and epoxy resin glue is sprayed into the colloid three-way pipe to enable the upper end and the lower end of the middle glass fiber rib to be respectively connected with the bottom glass fiber rib net and the top glass fiber rib net in a gluing mode.
Preferably, the outer side surfaces of the four middle glass fiber ribs are fixedly provided with plastic ropes, and the plastic ropes are spirally abutted against the outer side surfaces of the four middle glass fiber ribs and are tensioned and fixed, so that the four middle glass fiber ribs are prevented from being bent in different directions.
More preferably, the distance between two adjacent brackets is 1000 mm-1400 mm.
It is further preferred that the distance between each support is 1200mm, and the distance between two adjacent middle glass fiber ribs in the supports is 500 mm.
More preferably, the distance between two adjacent glass fiber posts in S1 is 9 m.
Compared with the prior art, the method for installing the glass fiber reinforcement in the building engineering has the following beneficial effects:
(1) the bracket is arranged to bear construction load transmitted by the top layer glass fiber reinforced mesh, so that deflection deformation can be controlled, and the integral stability is ensured;
(2) the plastic binding belt is used for fixing two adjacent glass fiber ribs on the bottom layer glass fiber rib net, the top layer glass fiber rib net and the side glass fiber rib net, so that firm connection can be ensured, the cost of raw materials for binding connection is low, the process is simple, and the binding speed is high;
(3) by setting the distance between two adjacent brackets, the glass fiber reinforced plastic is prevented from being broken due to the fact that the deformation value of the glass fiber reinforced plastic exceeds 20 mm.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a perspective view of a glass fiber reinforcement in a method for installing a glass fiber reinforcement in a construction work according to the present invention;
fig. 2 is a perspective view of a bracket used in a method for installing a glass fiber reinforced plastic bar in construction work according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1 and fig. 2, the method for installing glass fiber reinforced plastic bars in building engineering of the present invention comprises the following steps:
s1, installing a plurality of glass fiber upright posts 1, wherein the glass fiber upright posts 1 are arranged in an array, each glass fiber upright post 1 comprises a base 11 and a supporting rod 12, the supporting rod 12 is vertically fixed above the base 11, the base 11 is buried underground, and the supporting rod 12 is located on the ground;
s2, installing a bottom glass fiber rib net 2, wherein the bottom glass fiber rib net 2 is a rectangular network formed by staggered fastening connection of glass fiber ribs, the bottom glass fiber rib net 2 is horizontally arranged, and the glass fiber ribs of the bottom glass fiber rib net 2 at the positions of the support rods 12 are fastened and connected with the corresponding support rods 12;
s3, installing a plurality of brackets 3, wherein the brackets 3 are vertically arranged and are arranged on the bottom glass fiber reinforced web 2 in an array manner, the brackets 3 are composed of middle glass fiber reinforced webs 31, and the bottoms of the middle glass fiber reinforced webs 31 are fixed on the bottom glass fiber reinforced web 2;
s4, mounting a top layer glass fiber rib net 4, wherein the top layer glass fiber rib net 4 is a rectangular network formed by staggered fastening connection of glass fiber ribs, the top layer glass fiber rib net 4 is horizontally arranged, the glass fiber ribs of the top layer glass fiber rib net 4 at the positions of the supporting rods 12 are fastened and connected with the corresponding supporting rods 12, the top of the middle glass fiber rib 31 is fixed on the top layer glass fiber rib net 4, and the top layer glass fiber rib net 4 corresponds to the bottom layer glass fiber rib net 2;
s5, installing a side glass fiber rib net 5, wherein the side glass fiber rib net 5 is a rectangular network formed by staggered and fastened connection of glass fiber ribs, the side glass fiber rib net 5 is positioned on the side formed by the top glass fiber rib net 4 and the bottom glass fiber rib net 2, the glass fiber ribs of the side glass fiber rib net 5 positioned at the positions of the support rods 12 are fastened and connected with the corresponding support rods 12, the top of the side glass fiber rib net 5 is fixed with the top glass fiber rib net 4, and the bottom of the side glass fiber rib net 5 is fixed with the bottom glass fiber rib net 4.
Because the anti-micro-vibration platform of the quantum workshop requires anti-static conduction and anti-sound wave transmission, any raw material containing metal components cannot be added in the platform, so that the reinforcing steel bar cannot be used, and the glass fiber reinforcing steel bar is used for replacing the reinforcing steel bar. However, the glass fiber reinforced plastic is a novel material, and because the glass fiber reinforced plastic has low shear strength and small elastic modulus, the bending resistance and shear resistance bearing capacity of the glass fiber reinforced plastic are greatly influenced, and the difficulty in controlling the installation stability is large.
Since there is no reference to this construction method on the market, the installation method of the glass fiber reinforced plastic bars can only be determined by tests, and the following are 5 embodiments of the installation method of the glass fiber reinforced plastic bars:
To determine the stability of the embodiment used in accordance with the present invention using scheme 4, the panelists have designed a fiberglass rebar bracket graph in conjunction with the stress system of a conventional rebar bracket. Inputting a field construction load value (calculated according to a concentrated load value 2KN and an average line load 1KN/m at a midspan) into PKPM structure calculation software, checking a theoretical value of structural stress by a steel structure design specification (GB50017-2003), and verifying that the glass fiber reinforced plastic bracket 3 adopts 4GFRP20, the distance between every two adjacent glass fiber upright posts 1 is 1200mm longitudinally and transversely, the maximum stress is stably calculated in a column member plane and is 4.530N/mm2And the maximum stress of the column member is 2.297N/mm through out-of-plane stability calculation2And the requirements are met.
By changing the distance between two adjacent glass fiber upright posts 1 and defining the distance as 5-10 m, the maximum stress of the post member in-plane stable calculation and the maximum stress of the post member out-of-plane stable calculation can be obtained, and the calculation results are shown in table 1.
TABLE 1 comparison table for calculation of distances between different columns
As can be seen from Table 1, the out-of-plane stable calculated maximum stress of the column member is made to be greater than 2N/mm for cost saving and safety assurance2And meanwhile, the number of the upright columns 1 is reduced, and the distance between every two adjacent glass fiber upright columns 1 in the S1 is 6-10 m. Preferably, the distance between two adjacent glass fiber posts 1 in S1 is 9 m.
Because do not have on the market fixed between the glass fiber muscle to refer to, and fixed between glass fiber muscle and the reinforcing bar is fixed through U shaped steel system card, and fixed between two reinforcing bars is welded fastening, can only confirm the fixed mode between the glass fiber muscle through the experiment from this, following is the fixed mode between 3 kinds of glass fiber muscle:
fixing mode 1: the plastic binding bands are connected, the joints are tightened and clamped firmly by the plastic binding bands, firm connection can be ensured, the cost of raw materials for binding connection is low, the process is simple, and the binding speed is high. The method is adopted.
Fixing mode 2: the fiber hemp silk winding is connected, the fiber hemp silk that utilizes the same material comes the winding to be connected, connects two glass fiber owner muscle, and winding length can be lengthened, guarantees that the overlap joint position homoenergetic reliably connects, and the ligature is comparatively time-consuming, numerous and diverse. Long construction period, high cost and no adoption.
Fixing mode 3: the glue is fused and connected, two glass fiber ribs are connected in a butt joint mode through the epoxy resin glue and the glue sleeve, the cost of fusion raw materials is high, the process is complex, and the connection quality is good. The construction period is long, the cost is high, but the fixation is firm, the slipping is not easy, and the method is adopted under partial conditions.
Therefore, the invention adopts the plastic binding band for fixation. The junction between two adjacent glass fiber ribs on the bottom glass fiber rib net 2 in the S2 is tightened and fixed through a plastic bandage, the junction between the glass fiber ribs on the bottom glass fiber rib net 2 and the support rod 12 is tightened and fixed through a plastic bandage, the junction between two adjacent glass fiber ribs on the top glass fiber rib net 4 in the S4 is tightened and fixed through a plastic bandage, the junction between the glass fiber ribs on the top glass fiber rib net 4 and the support rod 12 is tightened and fixed through a plastic bandage, the junction between two adjacent glass fiber ribs on the side glass fiber rib net 5 in the S5 is tightened and fixed through a plastic bandage, and the junction between the glass fiber ribs on the side glass fiber rib net 5 and the support rod 12 is tightened and fixed through a plastic bandage.
For the fixation of the middle glass fiber rib 31, one example is as follows: the upper end and the lower end of the middle glass fiber rib 31 are respectively fixed on the bottom glass fiber rib net 2 and the top glass fiber rib net 4 through plastic bands. The method has short construction period and low cost.
Another embodiment is: the middle glass fiber rib net 31 is inserted into the upper and lower two opposite colloid three-way pipes to be abutted to the bottom glass fiber rib net 2 and the top glass fiber rib net 4, and epoxy resin glue is sprayed into the colloid three-way pipes to enable the upper and lower ends of the middle glass fiber rib net 31 to be respectively connected with the bottom glass fiber rib net 2 and the top glass fiber rib net 4 in a gluing mode. The method has long construction period and high cost, but the fixation is firm and the slippage is not easy to occur.
In order to prevent the middle fiberglass ribs 31 from bending, the bracket 3 in S3 is composed of four middle fiberglass ribs 31, and the four middle fiberglass ribs 31 enclose a square. More specifically, the distance between two adjacent middle glass fiber ribs 31 in the bracket 3 is 500 mm.
More specifically, four middle part glass fiber muscle 31 lateral surfaces are fixed with the plastics rope, and the plastics rope spiral is contradicted and is taut fixed at four middle part glass fiber muscle 31 lateral surfaces, prevents that four middle part glass fiber muscle 31 direction of buckling is different. Fixed through the plastics ribbon, prevent that four middle part glass fiber muscle 31 from buckling to four relative directions of horizontal plane, lead to being difficult for restoring after buckling.
The fixing method comprises two methods, one is to horizontally tighten four middle glass fiber ribs 31 through a plurality of plastic bands, and the other is to spirally tighten four middle glass fiber ribs 31 through plastic ropes. The helical banding may use the tension of the rope to prevent the middle fiberglass rib 31 from bending.
In order to ensure that the deflection deformation of the middle glass fiber rib 31 is not more than 20mm, the distance between every two brackets 3 is required to be controlled. The elastic modulus E of the glass fiber rib is 40GPa, the diameter d of the glass fiber rib is 12mm, the construction load F is 2KN, and when the distance between the brackets 3 is 1.4 m:
deflection
When the distance between the brackets 3 is 1 meter:
deflection
When the distance between the brackets 3 is 1.2 meters:
deflection
Meanwhile, through simulation experiments, after the platform is built according to the method disclosed by the invention, the relation between the distance between the supports 3 and deflection deformation is obtained through experiments, and the result is shown in table 2.
TABLE 2 comparison of rack spacing and deflection deformation
| Support interval (m) | 1 | 1.1 | 1.2 | 1.3 | 1.4 |
| Deflection deformation (mm) | 7mm | 9mm | 12mm | 15mm | 19mm |
As can be seen from table 2, in order to save cost and ensure safety, the deflection deformation of the middle glass fiber rib 31 is not more than 20mm, and the number of the middle glass fiber ribs 31 is reduced, and the distance between two adjacent brackets 3 is 1000mm to 1400 mm. Preferably, the distance between each of the brackets 3 is 1200 mm.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A method for installing glass fiber reinforcements in constructional engineering is characterized by comprising the following steps: the method comprises the following steps:
s1, installing a plurality of glass fiber upright posts (1), wherein the glass fiber upright posts (1) are arranged in an array, each glass fiber upright post (1) comprises a base (11) and a supporting rod (12), the supporting rod (12) is vertically fixed above the base (11), the bases (11) are buried underground, and the supporting rods (12) are located on the ground;
s2, installing a bottom glass fiber rib net (2), wherein the bottom glass fiber rib net (2) is a rectangular network formed by staggered fastening connection of glass fiber ribs, the bottom glass fiber rib net (2) is horizontally arranged, and the glass fiber ribs of the bottom glass fiber rib net (2) positioned at the support rods (12) are fastened and connected with the corresponding support rods (12);
s3, installing a plurality of brackets (3), wherein the brackets (3) are vertically arranged and are arranged on the bottom glass fiber rib net (2) in an array mode, the brackets (3) are composed of middle glass fiber ribs (31), and the bottoms of the middle glass fiber ribs (31) are fixed on the bottom glass fiber rib net (2);
s4, mounting a top layer glass fiber rib net (4), wherein the top layer glass fiber rib net (4) is a rectangular network formed by staggered fastening and connecting glass fiber ribs, the top layer glass fiber rib net (4) is horizontally arranged, the glass fiber ribs of the top layer glass fiber rib net (4) positioned at the supporting rods (12) are fastened and connected with the corresponding supporting rods (12), the top of the middle glass fiber rib (31) is fixed on the top layer glass fiber rib net (4), and the top layer glass fiber rib net (4) corresponds to the bottom layer glass fiber rib net (2);
s5, installing a side glass fiber rib net (5), wherein the side glass fiber rib net (5) is a rectangular net formed by staggered fastening and connecting glass fiber ribs, the side glass fiber rib net (5) is positioned on the side formed by the top glass fiber rib net (4) and the bottom glass fiber rib net (2), the glass fiber ribs of the side glass fiber rib net (5) positioned at the supporting rods (12) are fastened and connected with the corresponding supporting rods (12), the top of the side glass fiber rib net (5) is fixed with the top glass fiber rib net (4), and the bottom of the side glass fiber rib net (5) is fixed with the bottom glass fiber rib net (4).
2. The method for installing the glass fiber reinforced plastic bars in the building engineering as claimed in claim 1, wherein: the distance between two adjacent glass fiber upright posts (1) in the S1 is 6-10 m.
3. The method for installing the glass fiber reinforced plastic bars in the building engineering as claimed in claim 1, wherein: the junction between two adjacent glass fiber ribs on the bottom glass fiber rib net (2) in the S2 is tightened and fixed through a plastic ribbon, the junction between the glass fiber ribs on the bottom glass fiber rib net (2) and the support rod (12) is tightened and fixed through the plastic ribbon, the junction between two adjacent glass fiber ribs on the top glass fiber rib net (4) in the S4 is tightened and fixed through the plastic ribbon, the junction between the glass fiber ribs on the top glass fiber rib net (4) and the support rod (12) is tightened and fixed through the plastic ribbon, the junction between two adjacent glass fiber ribs on the side glass fiber rib net (5) in the S5 is tightened and fixed through the plastic ribbon, and the junction between the glass fiber ribs on the side glass fiber rib net (5) and the support rod (12) is tightened and fixed through the plastic ribbon.
4. The method for installing the glass fiber reinforced plastic bars in the building engineering as claimed in claim 1, wherein: the support (3) in the S3 is composed of four middle glass fiber ribs (31), and the four middle glass fiber ribs (31) enclose a square.
5. The method for installing the glass fiber reinforced plastic bars in the building engineering as claimed in claim 1, wherein: the upper end and the lower end of the middle glass fiber rib (31) are respectively fixed on the bottom glass fiber rib net (2) and the top glass fiber rib net (4) through plastic bands.
6. The method for installing the glass fiber reinforced plastic bars in the building engineering as claimed in claim 1, wherein: the position cover of middle part glass fiber muscle (31) is equipped with the colloid three-way pipe on bottom glass fiber muscle net (2) and top layer glass fiber muscle net (4), and middle part glass fiber muscle (31) are inserted and are located two relative colloid three-way pipes about and contradict with bottom glass fiber muscle net (2) and top layer glass fiber muscle net (4), and the rethread sprays into the colloid three-way pipe with epoxy glue and makes both ends respectively with bottom glass fiber muscle net (2) and top layer glass fiber muscle net (4) glued joint about middle part glass fiber muscle (31).
7. The method for installing the glass fiber reinforced plastic bars in the building engineering as claimed in claim 4, wherein: the outer side surfaces of the four middle glass fiber ribs (31) are fixedly provided with plastic ropes, and the plastic ropes are spirally abutted against the outer side surfaces of the four middle glass fiber ribs (31) and are tensioned and fixed, so that the four middle glass fiber ribs (31) are prevented from being bent in different directions.
8. The method for installing the glass fiber reinforced plastic bars in the building engineering as claimed in claim 4, wherein: the distance between two adjacent brackets (3) is 1000 mm-1400 mm.
9. The method for installing the glass fiber reinforced plastic rib in the building engineering as claimed in claim 8, wherein: the distance between every two adjacent brackets (3) is 1200mm, and the distance between every two adjacent middle glass fiber ribs (31) in the brackets (3) is 500 mm.
10. The method for installing the glass fiber reinforced plastic bars in the building engineering as claimed in claim 2, wherein: the distance between two adjacent glass fiber upright posts (1) in the S1 is 9 m.
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Cited By (1)
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| CN114753315A (en) * | 2022-04-19 | 2022-07-15 | 中国葛洲坝集团第二工程有限公司 | Construction method for replacing reinforcing steel bars with glass fiber reinforcements for dam panels |
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| CN114753315A (en) * | 2022-04-19 | 2022-07-15 | 中国葛洲坝集团第二工程有限公司 | Construction method for replacing reinforcing steel bars with glass fiber reinforcements for dam panels |
| CN114753315B (en) * | 2022-04-19 | 2024-04-26 | 中国葛洲坝集团第二工程有限公司 | Construction method for replacing reinforcing steel bars with glass fiber reinforced plastic bars for dam panels |
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| CN111779194B (en) | 2021-11-12 |
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